mirror of https://github.com/qpdf/qpdf.git
4383 lines
142 KiB
C++
4383 lines
142 KiB
C++
#include <iostream>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <qpdf/QUtil.hh>
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#include <qpdf/QTC.hh>
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#include <qpdf/ClosedFileInputSource.hh>
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#include <qpdf/FileInputSource.hh>
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#include <qpdf/Pl_StdioFile.hh>
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#include <qpdf/Pl_Discard.hh>
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#include <qpdf/Pl_DCT.hh>
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#include <qpdf/Pl_Count.hh>
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#include <qpdf/PointerHolder.hh>
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#include <qpdf/QPDF.hh>
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#include <qpdf/QPDFPageDocumentHelper.hh>
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#include <qpdf/QPDFPageObjectHelper.hh>
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#include <qpdf/QPDFPageLabelDocumentHelper.hh>
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#include <qpdf/QPDFOutlineDocumentHelper.hh>
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#include <qpdf/QPDFAcroFormDocumentHelper.hh>
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#include <qpdf/QPDFExc.hh>
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#include <qpdf/QPDFWriter.hh>
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static int const EXIT_ERROR = 2;
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static int const EXIT_WARNING = 3;
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static char const* whoami = 0;
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struct PageSpec
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{
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PageSpec(std::string const& filename,
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char const* password,
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char const* range) :
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filename(filename),
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password(password),
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range(range)
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{
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}
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std::string filename;
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char const* password;
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char const* range;
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};
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struct RotationSpec
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{
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RotationSpec(int angle = 0, bool relative = false) :
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angle(angle),
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relative(relative)
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{
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}
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int angle;
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bool relative;
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};
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struct Options
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{
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Options() :
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password(0),
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linearize(false),
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decrypt(false),
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split_pages(0),
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verbose(false),
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progress(false),
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suppress_warnings(false),
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copy_encryption(false),
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encryption_file(0),
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encryption_file_password(0),
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encrypt(false),
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password_is_hex_key(false),
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keylen(0),
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r2_print(true),
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r2_modify(true),
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r2_extract(true),
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r2_annotate(true),
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r3_accessibility(true),
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r3_extract(true),
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r3_print(qpdf_r3p_full),
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r3_modify(qpdf_r3m_all),
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force_V4(false),
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force_R5(false),
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cleartext_metadata(false),
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use_aes(false),
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stream_data_set(false),
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stream_data_mode(qpdf_s_compress),
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compress_streams(true),
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compress_streams_set(false),
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decode_level(qpdf_dl_generalized),
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decode_level_set(false),
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normalize_set(false),
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normalize(false),
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suppress_recovery(false),
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object_stream_set(false),
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object_stream_mode(qpdf_o_preserve),
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ignore_xref_streams(false),
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qdf_mode(false),
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preserve_unreferenced_objects(false),
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preserve_unreferenced_page_resources(false),
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keep_files_open(true),
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keep_files_open_set(false),
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newline_before_endstream(false),
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coalesce_contents(false),
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flatten_annotations(false),
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flatten_annotations_required(0),
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flatten_annotations_forbidden(an_invisible | an_hidden),
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generate_appearances(false),
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show_npages(false),
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deterministic_id(false),
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static_id(false),
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static_aes_iv(false),
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suppress_original_object_id(false),
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show_encryption(false),
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show_encryption_key(false),
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check_linearization(false),
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show_linearization(false),
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show_xref(false),
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show_trailer(false),
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show_obj(0),
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show_gen(0),
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show_raw_stream_data(false),
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show_filtered_stream_data(false),
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show_pages(false),
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show_page_images(false),
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collate(false),
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json(false),
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check(false),
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optimize_images(false),
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oi_min_width(128), // Default values for these
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oi_min_height(128), // oi flags are in --help
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oi_min_area(16384), // and in the manual.
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require_outfile(true),
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infilename(0),
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outfilename(0)
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{
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}
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char const* password;
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bool linearize;
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bool decrypt;
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int split_pages;
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bool verbose;
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bool progress;
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bool suppress_warnings;
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bool copy_encryption;
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char const* encryption_file;
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char const* encryption_file_password;
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bool encrypt;
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bool password_is_hex_key;
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std::string user_password;
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std::string owner_password;
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int keylen;
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bool r2_print;
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bool r2_modify;
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bool r2_extract;
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bool r2_annotate;
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bool r3_accessibility;
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bool r3_extract;
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qpdf_r3_print_e r3_print;
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qpdf_r3_modify_e r3_modify;
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bool force_V4;
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bool force_R5;
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bool cleartext_metadata;
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bool use_aes;
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bool stream_data_set;
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qpdf_stream_data_e stream_data_mode;
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bool compress_streams;
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bool compress_streams_set;
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qpdf_stream_decode_level_e decode_level;
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bool decode_level_set;
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bool normalize_set;
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bool normalize;
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bool suppress_recovery;
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bool object_stream_set;
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qpdf_object_stream_e object_stream_mode;
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bool ignore_xref_streams;
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bool qdf_mode;
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bool preserve_unreferenced_objects;
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bool preserve_unreferenced_page_resources;
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bool keep_files_open;
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bool keep_files_open_set;
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bool newline_before_endstream;
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std::string linearize_pass1;
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bool coalesce_contents;
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bool flatten_annotations;
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int flatten_annotations_required;
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int flatten_annotations_forbidden;
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bool generate_appearances;
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std::string min_version;
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std::string force_version;
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bool show_npages;
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bool deterministic_id;
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bool static_id;
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bool static_aes_iv;
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bool suppress_original_object_id;
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bool show_encryption;
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bool show_encryption_key;
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bool check_linearization;
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bool show_linearization;
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bool show_xref;
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bool show_trailer;
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int show_obj;
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int show_gen;
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bool show_raw_stream_data;
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bool show_filtered_stream_data;
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bool show_pages;
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bool show_page_images;
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bool collate;
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bool json;
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std::set<std::string> json_keys;
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std::set<std::string> json_objects;
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bool check;
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bool optimize_images;
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size_t oi_min_width;
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size_t oi_min_height;
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size_t oi_min_area;
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std::vector<PageSpec> page_specs;
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std::map<std::string, RotationSpec> rotations;
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bool require_outfile;
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char const* infilename;
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char const* outfilename;
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};
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struct QPDFPageData
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{
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QPDFPageData(std::string const& filename, QPDF* qpdf, char const* range);
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QPDFPageData(QPDFPageData const& other, int page);
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std::string filename;
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QPDF* qpdf;
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std::vector<QPDFObjectHandle> orig_pages;
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std::vector<int> selected_pages;
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};
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class DiscardContents: public QPDFObjectHandle::ParserCallbacks
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{
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public:
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virtual ~DiscardContents() {}
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virtual void handleObject(QPDFObjectHandle) {}
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virtual void handleEOF() {}
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};
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class ProgressReporter: public QPDFWriter::ProgressReporter
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{
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public:
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ProgressReporter(char const* filename) :
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filename(filename)
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{
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}
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virtual ~ProgressReporter()
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{
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}
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virtual void reportProgress(int);
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private:
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std::string filename;
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};
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void
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ProgressReporter::reportProgress(int percentage)
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{
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std::cout << whoami << ": " << filename << ": write progress: "
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<< percentage << "%" << std::endl;
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}
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static JSON json_schema(std::set<std::string>* keys = 0)
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{
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// Style: use all lower-case keys with no dashes or underscores.
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// Choose array or dictionary based on indexing. For example, we
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// use a dictionary for objects because we want to index by object
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// ID and an array for pages because we want to index by position.
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// The pages in the pages array contain references back to the
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// original object, which can be resolved in the objects
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// dictionary. When a PDF construct that maps back to an original
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// object is represented separately, use "object" as the key that
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// references the original object.
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// This JSON object doubles as a schema and as documentation for
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// our JSON output. Any schema mismatch is a bug in qpdf. This
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// helps to enforce our policy of consistently providing a known
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// structure where every documented key will always be present,
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// which makes it easier to consume our JSON. This is discussed in
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// more depth in the manual.
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JSON schema = JSON::makeDictionary();
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schema.addDictionaryMember(
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"version", JSON::makeString(
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"JSON format serial number; increased for non-compatible changes"));
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JSON j_params = schema.addDictionaryMember(
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"parameters", JSON::makeDictionary());
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j_params.addDictionaryMember(
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"decodelevel", JSON::makeString(
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"decode level used to determine stream filterability"));
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bool all_keys = ((keys == 0) || keys->empty());
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// The list of selectable top-level keys id duplicated in three
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// places: json_schema, do_json, and initOptionTable.
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if (all_keys || keys->count("objects"))
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{
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schema.addDictionaryMember(
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"objects", JSON::makeString(
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"dictionary of original objects;"
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" keys are 'trailer' or 'n n R'"));
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}
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if (all_keys || keys->count("pages"))
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{
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JSON page = schema.addDictionaryMember("pages", JSON::makeArray()).
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addArrayElement(JSON::makeDictionary());
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page.addDictionaryMember(
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"object",
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JSON::makeString("reference to original page object"));
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JSON image = page.addDictionaryMember("images", JSON::makeArray()).
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addArrayElement(JSON::makeDictionary());
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image.addDictionaryMember(
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"name",
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JSON::makeString("name of image in XObject table"));
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image.addDictionaryMember(
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"object",
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JSON::makeString("reference to image stream"));
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image.addDictionaryMember(
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"width",
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JSON::makeString("image width"));
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image.addDictionaryMember(
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"height",
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JSON::makeString("image height"));
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image.addDictionaryMember(
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"colorspace",
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JSON::makeString("color space"));
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image.addDictionaryMember(
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"bitspercomponent",
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JSON::makeString("bits per component"));
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image.addDictionaryMember("filter", JSON::makeArray()).
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addArrayElement(
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JSON::makeString("filters applied to image data"));
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image.addDictionaryMember("decodeparms", JSON::makeArray()).
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addArrayElement(
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JSON::makeString("decode parameters for image data"));
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image.addDictionaryMember(
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"filterable",
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JSON::makeString("whether image data can be decoded"
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" using the decode level qpdf was invoked with"));
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page.addDictionaryMember("contents", JSON::makeArray()).
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addArrayElement(
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JSON::makeString("reference to each content stream"));
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page.addDictionaryMember(
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"label",
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JSON::makeString("page label dictionary, or null if none"));
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JSON outline = page.addDictionaryMember("outlines", JSON::makeArray()).
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addArrayElement(JSON::makeDictionary());
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outline.addDictionaryMember(
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"object",
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JSON::makeString("reference to outline that targets this page"));
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outline.addDictionaryMember(
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"title",
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JSON::makeString("outline title"));
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outline.addDictionaryMember(
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"dest",
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JSON::makeString("outline destination dictionary"));
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page.addDictionaryMember(
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"pageposfrom1",
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JSON::makeString("position of page in document numbering from 1"));
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}
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if (all_keys || keys->count("pagelabels"))
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{
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JSON labels = schema.addDictionaryMember(
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"pagelabels", JSON::makeArray()).
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addArrayElement(JSON::makeDictionary());
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labels.addDictionaryMember(
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"index",
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JSON::makeString("starting page position starting from zero"));
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labels.addDictionaryMember(
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"label",
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JSON::makeString("page label dictionary"));
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}
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if (all_keys || keys->count("outlines"))
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{
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JSON outlines = schema.addDictionaryMember(
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"outlines", JSON::makeArray()).
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addArrayElement(JSON::makeDictionary());
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outlines.addDictionaryMember(
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"object",
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JSON::makeString("reference to this outline"));
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outlines.addDictionaryMember(
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"title",
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JSON::makeString("outline title"));
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outlines.addDictionaryMember(
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"dest",
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JSON::makeString("outline destination dictionary"));
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outlines.addDictionaryMember(
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"kids",
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JSON::makeString("array of descendent outlines"));
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outlines.addDictionaryMember(
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"open",
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JSON::makeString("whether the outline is displayed expanded"));
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outlines.addDictionaryMember(
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"destpageposfrom1",
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JSON::makeString("position of destination page in document"
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" numbered from 1; null if not known"));
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}
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if (all_keys || keys->count("acroform"))
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{
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JSON acroform = schema.addDictionaryMember(
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"acroform", JSON::makeDictionary());
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acroform.addDictionaryMember(
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"hasacroform",
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JSON::makeString("whether the document has interactive forms"));
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acroform.addDictionaryMember(
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"needappearances",
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JSON::makeString("whether the form fields' appearance"
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" streams need to be regenerated"));
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JSON fields = acroform.addDictionaryMember(
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"fields", JSON::makeArray()).
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addArrayElement(JSON::makeDictionary());
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fields.addDictionaryMember(
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"object",
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JSON::makeString("reference to this form field"));
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fields.addDictionaryMember(
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"parent",
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JSON::makeString("reference to this field's parent"));
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fields.addDictionaryMember(
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"pageposfrom1",
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JSON::makeString("position of containing page numbered from 1"));
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fields.addDictionaryMember(
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"fieldtype",
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JSON::makeString("field type"));
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fields.addDictionaryMember(
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"fieldflags",
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JSON::makeString(
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"form field flags from /Ff --"
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" see pdf_form_field_flag_e in qpdf/Constants.h"));
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fields.addDictionaryMember(
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"fullname",
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JSON::makeString("full name of field"));
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fields.addDictionaryMember(
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"partialname",
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JSON::makeString("partial name of field"));
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fields.addDictionaryMember(
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"alternativename",
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JSON::makeString(
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"alternative name of field --"
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" this is the one usually shown to users"));
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fields.addDictionaryMember(
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"mappingname",
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JSON::makeString("mapping name of field"));
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fields.addDictionaryMember(
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"value",
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JSON::makeString("value of field"));
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fields.addDictionaryMember(
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"defaultvalue",
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JSON::makeString("default value of field"));
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fields.addDictionaryMember(
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"quadding",
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JSON::makeString(
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"field quadding --"
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" number indicating left, center, or right"));
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fields.addDictionaryMember(
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"ischeckbox",
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JSON::makeString("whether field is a checkbox"));
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fields.addDictionaryMember(
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"isradiobutton",
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JSON::makeString("whether field is a radio button --"
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" buttons in a single group share a parent"));
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fields.addDictionaryMember(
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"ischoice",
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JSON::makeString("whether field is a list, combo, or dropdown"));
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fields.addDictionaryMember(
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"istext",
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JSON::makeString("whether field is a text field"));
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JSON j_choices = fields.addDictionaryMember(
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"choices",
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JSON::makeString("for choices fields, the list of"
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" choices presented to the user"));
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JSON annotation = fields.addDictionaryMember(
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"annotation", JSON::makeDictionary());
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annotation.addDictionaryMember(
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"object",
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JSON::makeString("reference to the annotation object"));
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annotation.addDictionaryMember(
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"appearancestate",
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JSON::makeString("appearance state --"
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" can be used to determine value for"
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" checkboxes and radio buttons"));
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annotation.addDictionaryMember(
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"annotationflags",
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JSON::makeString(
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"annotation flags from /F --"
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" see pdf_annotation_flag_e in qpdf/Constants.h"));
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}
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return schema;
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}
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static void parse_object_id(std::string const& objspec,
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bool& trailer, int& obj, int& gen)
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{
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if (objspec == "trailer")
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{
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trailer = true;
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}
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else
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{
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trailer = false;
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obj = QUtil::string_to_int(objspec.c_str());
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size_t comma = objspec.find(',');
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if ((comma != std::string::npos) && (comma + 1 < objspec.length()))
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{
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gen = QUtil::string_to_int(
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objspec.substr(1 + comma, std::string::npos).c_str());
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}
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}
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}
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// This is not a general-purpose argument parser. It is tightly
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// crafted to work with qpdf. qpdf's command-line syntax is very
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// complex because of its long history, and it doesn't really follow
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// any kind of normal standard for arguments, but I don't want to
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// break compatibility by changing what constitutes a valid command.
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// This class is intended to simplify the argument parsing code and
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// also to make it possible to add bash completion support while
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// guaranteeing consistency with the actual argument syntax.
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class ArgParser
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|
{
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public:
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ArgParser(int argc, char* argv[], Options& o);
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void parseOptions();
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|
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private:
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typedef void (ArgParser::*bare_arg_handler_t)();
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typedef void (ArgParser::*param_arg_handler_t)(char* parameter);
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|
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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 argCopyEncryption(char* parameter);
|
|
void argEncryptionFilePassword(char* parameter);
|
|
void argPages();
|
|
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 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 argOiMinWidth(char* parameter);
|
|
void argOiMinHeight(char* parameter);
|
|
void argOiMinArea(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 arg128UseAes(char* parameter);
|
|
void arg128ForceV4();
|
|
void arg256ForceR5();
|
|
void argEndEncrypt();
|
|
|
|
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 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::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, "pass");
|
|
(*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)["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)["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)["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 = &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);
|
|
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);
|
|
}
|
|
|
|
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()
|
|
{
|
|
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"
|
|
<< "--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"
|
|
<< "\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"
|
|
<< " --modify=modify-opt control modify access\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.\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"
|
|
<< "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"
|
|
<< "--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.\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"
|
|
<< "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"
|
|
<< "--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.\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 " << argv[0] << " " << whoami << std::endl;
|
|
// Put output before error so calling from zsh works properly
|
|
std::string path = argv[0];
|
|
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 = argv[cur_arg++];
|
|
o.owner_password = argv[cur_arg++];
|
|
std::string len_str = argv[cur_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::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::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::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::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::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)
|
|
{
|
|
o.r3_accessibility = (strcmp(parameter, "y") == 0);
|
|
}
|
|
|
|
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_modify = qpdf_r3m_all;
|
|
}
|
|
else if (strcmp(parameter, "annotate") == 0)
|
|
{
|
|
o.r3_modify = qpdf_r3m_annotate;
|
|
}
|
|
else if (strcmp(parameter, "form") == 0)
|
|
{
|
|
o.r3_modify = qpdf_r3m_form;
|
|
}
|
|
else if (strcmp(parameter, "assembly") == 0)
|
|
{
|
|
o.r3_modify = qpdf_r3m_assembly;
|
|
}
|
|
else if (strcmp(parameter, "none") == 0)
|
|
{
|
|
o.r3_modify = qpdf_r3m_none;
|
|
}
|
|
else
|
|
{
|
|
usage("invalid modify option");
|
|
}
|
|
}
|
|
|
|
void
|
|
ArgParser::arg128ClearTextMetadata()
|
|
{
|
|
o.cleartext_metadata = true;
|
|
}
|
|
|
|
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::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(argv[0])));
|
|
for (int i = 1; i < argc; ++i)
|
|
{
|
|
char* argfile = 0;
|
|
if ((strlen(argv[i]) > 1) && (argv[i][0] == '@'))
|
|
{
|
|
try
|
|
{
|
|
argfile = 1 + argv[i];
|
|
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+argv[i]);
|
|
}
|
|
else
|
|
{
|
|
new_argv.push_back(
|
|
PointerHolder<char>(true, QUtil::copy_string(argv[i])));
|
|
}
|
|
}
|
|
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)
|
|
{
|
|
argv[i] = new_argv.at(i).getPointer();
|
|
}
|
|
argc = static_cast<int>(new_argv.size());
|
|
argv[argc] = 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 argv[0] regardless.
|
|
bash_argv.push_back(
|
|
PointerHolder<char>(
|
|
true, QUtil::copy_string(argv[0])));
|
|
}
|
|
// 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)
|
|
{
|
|
argv[i] = bash_argv.at(i).getPointer();
|
|
}
|
|
argc = static_cast<int>(bash_argv.size());
|
|
argv[argc] = 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(argv[cur_arg], "--") == 0))
|
|
{
|
|
break;
|
|
}
|
|
if (cur_arg + 1 >= argc)
|
|
{
|
|
usage("insufficient arguments to --pages");
|
|
}
|
|
char const* file = argv[cur_arg++];
|
|
char const* password = 0;
|
|
char const* range = argv[cur_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 = argv[cur_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;
|
|
}
|
|
|
|
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 = argv[1];
|
|
if (*arg != '-')
|
|
{
|
|
return;
|
|
}
|
|
++arg;
|
|
if (*arg == '-')
|
|
{
|
|
++arg;
|
|
}
|
|
if (! *arg)
|
|
{
|
|
return;
|
|
}
|
|
if (this->help_option_table.count(arg))
|
|
{
|
|
(this->*(this->help_option_table[arg].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.rotations[range] = 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 = argv[cur_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 ((arg[0] == '-') && (strcmp(arg, "-") != 0))
|
|
{
|
|
++arg;
|
|
if (arg[0] == '-')
|
|
{
|
|
// 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.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);
|
|
if (o.show_page_images)
|
|
{
|
|
dh.pushInheritedAttributesToPage();
|
|
}
|
|
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_numbers[og]);
|
|
}
|
|
}
|
|
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_numbers[oh.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");
|
|
QPDFObjectHandle components_obj = dict.getKey("/BitsPerComponent");
|
|
if (! (w_obj.isInteger() &&
|
|
h_obj.isInteger() &&
|
|
colorspace_obj.isName() &&
|
|
components_obj.isInteger()))
|
|
{
|
|
if (o.verbose && (! description.empty()))
|
|
{
|
|
std::cout << whoami << ": " << description
|
|
<< ": not optimizing because image dictionary"
|
|
<< " is missing required keys" << std::endl;
|
|
}
|
|
return result;
|
|
}
|
|
JDIMENSION w = w_obj.getIntValue();
|
|
JDIMENSION h = h_obj.getIntValue();
|
|
std::string colorspace = colorspace_obj.getName();
|
|
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
|
|
{
|
|
if (o.verbose && (! description.empty()))
|
|
{
|
|
std::cout << whoami << ": " << description
|
|
<< ": not optimizing because of unsupported"
|
|
<< " image parameters" << 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 of 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);
|
|
}
|
|
|
|
static void handle_transformations(QPDF& pdf, Options& o)
|
|
{
|
|
QPDFPageDocumentHelper dh(pdf);
|
|
if (o.optimize_images)
|
|
{
|
|
dh.pushInheritedAttributesToPage();
|
|
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());
|
|
page.getKey("/Resources").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();
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
// NOTE: The number 200 for this threshold is in the help
|
|
// message and manual and is baked into the test suite.
|
|
if (filenames.size() > 200)
|
|
{
|
|
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_qpdfs[o.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.
|
|
PointerHolder<QPDF> qpdf_ph = new QPDF();
|
|
page_heap.push_back(qpdf_ph);
|
|
QPDF* qpdf = qpdf_ph.getPointer();
|
|
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());
|
|
}
|
|
qpdf->processInputSource(is, password);
|
|
page_spec_qpdfs[page_spec.filename] = qpdf;
|
|
if (cis)
|
|
{
|
|
cis->stayOpen(false);
|
|
page_spec_cfis[page_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_qpdfs[page_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_cfis[filename];
|
|
cis->stayOpen(true);
|
|
}
|
|
QPDFPageDocumentHelper dh(*((*iter).second));
|
|
dh.pushInheritedAttributesToPage();
|
|
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_cfis[page_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_pages[from_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_pages[from_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 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;
|
|
}
|
|
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_print, o.r3_modify);
|
|
break;
|
|
case 4:
|
|
w.setR4EncryptionParameters(
|
|
o.user_password.c_str(), o.owner_password.c_str(),
|
|
o.r3_accessibility, o.r3_extract, o.r3_print, o.r3_modify,
|
|
!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_print, o.r3_modify,
|
|
!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_print, o.r3_modify,
|
|
!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)
|
|
{
|
|
QPDF encryption_pdf;
|
|
encryption_pdf.processFile(
|
|
o.encryption_file, o.encryption_file_password);
|
|
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.pushInheritedAttributesToPage();
|
|
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);
|
|
}
|
|
// Copying the outlines tree, names table, and any
|
|
// outdated Dests key from the original file will make
|
|
// some things work in the split files. It is not a
|
|
// complete solution, but at least outlines whose
|
|
// destinations are on pages that have been preserved will
|
|
// work normally. There are other top-level structures
|
|
// that should be copied as well. This will be improved in
|
|
// the future.
|
|
std::list<std::string> to_copy;
|
|
to_copy.push_back("/Names");
|
|
to_copy.push_back("/Dests");
|
|
to_copy.push_back("/Outlines");
|
|
for (std::list<std::string>::iterator iter = to_copy.begin();
|
|
iter != to_copy.end(); ++iter)
|
|
{
|
|
QPDFObjectHandle orig = pdf.getRoot().getKey(*iter);
|
|
if (! orig.isIndirect())
|
|
{
|
|
orig = pdf.makeIndirectObject(orig);
|
|
}
|
|
outpdf.getRoot().replaceKey(
|
|
*iter,
|
|
outpdf.copyForeignObject(orig));
|
|
}
|
|
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[])
|
|
{
|
|
whoami = QUtil::getWhoami(argv[0]);
|
|
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
|
|
{
|
|
QPDF pdf;
|
|
set_qpdf_options(pdf, o);
|
|
if (strcmp(o.infilename, "") == 0)
|
|
{
|
|
pdf.emptyPDF();
|
|
}
|
|
else
|
|
{
|
|
pdf.processFile(o.infilename, o.password);
|
|
}
|
|
|
|
handle_transformations(pdf, o);
|
|
if (! o.page_specs.empty())
|
|
{
|
|
handle_page_specs(pdf, o);
|
|
}
|
|
if (! o.rotations.empty())
|
|
{
|
|
handle_rotations(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);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef WINDOWS_WMAIN
|
|
|
|
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(argv[i]); ++j)
|
|
{
|
|
unsigned short codepoint = static_cast<unsigned short>(argv[i][j]);
|
|
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_argv[i] = utf8_argv.at(i).getPointer();
|
|
}
|
|
argc = static_cast<int>(utf8_argv.size());
|
|
new_argv[argc] = 0;
|
|
return realmain(argc, new_argv);
|
|
}
|
|
|
|
#else
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
return realmain(argc, argv);
|
|
}
|
|
|
|
#endif
|