diff options
Diffstat (limited to 'libqpdf/QPDF_json.cc')
| -rw-r--r-- | libqpdf/QPDF_json.cc | 168 |
1 files changed, 71 insertions, 97 deletions
diff --git a/libqpdf/QPDF_json.cc b/libqpdf/QPDF_json.cc index 8326e6a5..b06b70c9 100644 --- a/libqpdf/QPDF_json.cc +++ b/libqpdf/QPDF_json.cc @@ -1,12 +1,14 @@ #include <qpdf/QPDF.hh> #include <qpdf/FileInputSource.hh> +#include <qpdf/JSON_writer.hh> #include <qpdf/Pl_Base64.hh> #include <qpdf/Pl_StdioFile.hh> #include <qpdf/QIntC.hh> #include <qpdf/QPDFObject_private.hh> #include <qpdf/QPDFValue.hh> #include <qpdf/QPDF_Null.hh> +#include <qpdf/QPDF_Stream.hh> #include <qpdf/QTC.hh> #include <qpdf/QUtil.hh> #include <algorithm> @@ -442,7 +444,9 @@ void QPDF::JSONReactor::replaceObject(QPDFObjectHandle&& replacement, JSON const& value) { if (replacement.isIndirect()) { - error(replacement.getParsedOffset(), "the value of an object may not be an indirect object reference"); + error( + replacement.getParsedOffset(), + "the value of an object may not be an indirect object reference"); return; } auto& tos = stack.back(); @@ -828,45 +832,20 @@ QPDF::importJSON(std::shared_ptr<InputSource> is, bool must_be_complete) } void -QPDF::writeJSONStream( +writeJSONStreamFile( int version, - Pipeline* p, - bool& first, - std::string const& key, - QPDFObjectHandle& obj, + JSON::Writer& jw, + QPDF_Stream& stream, + int id, qpdf_stream_decode_level_e decode_level, - qpdf_json_stream_data_e json_stream_data, std::string const& file_prefix) { - Pipeline* stream_p = nullptr; - FILE* f = nullptr; - std::shared_ptr<Pl_StdioFile> f_pl; - std::string filename; - if (json_stream_data == qpdf_sj_file) { - filename = file_prefix + "-" + std::to_string(obj.getObjectID()); - f = QUtil::safe_fopen(filename.c_str(), "wb"); - f_pl = std::make_shared<Pl_StdioFile>("stream data", f); - stream_p = f_pl.get(); - } - auto j = JSON::makeDictionary(); - j.addDictionaryMember( - "stream", obj.getStreamJSON(version, json_stream_data, decode_level, stream_p, filename)); - - JSON::writeDictionaryItem(p, first, key, j, 3); - if (f) { - f_pl->finish(); - f_pl = nullptr; - fclose(f); - } -} - -void -QPDF::writeJSONObject( - int version, Pipeline* p, bool& first, std::string const& key, QPDFObjectHandle& obj) -{ - auto j = JSON::makeDictionary(); - j.addDictionaryMember("value", obj.getJSON(version, true)); - JSON::writeDictionaryItem(p, first, key, j, 3); + auto filename = file_prefix + "-" + std::to_string(id); + auto* f = QUtil::safe_fopen(filename.c_str(), "wb"); + Pl_StdioFile f_pl{"stream data", f}; + stream.writeStreamJSON(version, jw, qpdf_sj_file, decode_level, &f_pl, filename); + f_pl.finish(); + fclose(f); } void @@ -893,80 +872,75 @@ QPDF::writeJSON( std::string const& file_prefix, std::set<std::string> wanted_objects) { - int const depth_outer = 1; - int const depth_top = 1; - int const depth_qpdf = 2; - int const depth_qpdf_inner = 3; - if (version != 2) { throw std::runtime_error("QPDF::writeJSON: only version 2 is supported"); } - bool first = true; + JSON::Writer jw{p, 4}; if (complete) { - JSON::writeDictionaryOpen(p, first, depth_outer); - } else { - first = first_key; - } - JSON::writeDictionaryKey(p, first, "qpdf", depth_top); - bool first_qpdf = true; - JSON::writeArrayOpen(p, first_qpdf, depth_top); - JSON::writeNext(p, first_qpdf, depth_qpdf); - bool first_qpdf_inner = true; - JSON::writeDictionaryOpen(p, first_qpdf_inner, depth_qpdf); - JSON::writeDictionaryItem( - p, first_qpdf_inner, "jsonversion", JSON::makeInt(version), depth_qpdf_inner); - JSON::writeDictionaryItem( - p, first_qpdf_inner, "pdfversion", JSON::makeString(getPDFVersion()), depth_qpdf_inner); - JSON::writeDictionaryItem( - p, - first_qpdf_inner, - "pushedinheritedpageresources", - JSON::makeBool(everPushedInheritedAttributesToPages()), - depth_qpdf_inner); - JSON::writeDictionaryItem( - p, - first_qpdf_inner, - "calledgetallpages", - JSON::makeBool(everCalledGetAllPages()), - depth_qpdf_inner); - JSON::writeDictionaryItem( - p, - first_qpdf_inner, - "maxobjectid", - JSON::makeInt(QIntC::to_longlong(getObjectCount())), - depth_qpdf_inner); - JSON::writeDictionaryClose(p, first_qpdf_inner, depth_qpdf); - JSON::writeNext(p, first_qpdf, depth_qpdf); - JSON::writeDictionaryOpen(p, first_qpdf_inner, depth_qpdf); + jw << "{"; + } else if (!first_key) { + jw << ","; + } + first_key = false; + + /* clang-format off */ + jw << "\n" + " \"qpdf\": [\n" + " {\n" + " \"jsonversion\": " << std::to_string(version) << ",\n" + " \"pdfversion\": \"" << getPDFVersion() << "\",\n" + " \"pushedinheritedpageresources\": " << (everPushedInheritedAttributesToPages() ? "true" : "false") << ",\n" + " \"calledgetallpages\": " << (everCalledGetAllPages() ? "true" : "false") << ",\n" + " \"maxobjectid\": " << std::to_string(getObjectCount()) << "\n" + " },\n" + " {"; + /* clang-format on */ + bool all_objects = wanted_objects.empty(); + bool first = true; for (auto& obj: getAllObjects()) { - std::string key = "obj:" + obj.unparse(); + auto const og = obj.getObjGen(); + std::string key = "obj:" + og.unparse(' ') + " R"; if (all_objects || wanted_objects.count(key)) { - if (obj.isStream()) { - writeJSONStream( - version, - p, - first_qpdf_inner, - key, - obj, - decode_level, - json_stream_data, - file_prefix); + if (first) { + jw << "\n \"" << key; + first = false; } else { - writeJSONObject(version, p, first_qpdf_inner, key, obj); + jw << "\n },\n \"" << key; + } + if (auto* stream = obj.getObjectPtr()->as<QPDF_Stream>()) { + jw << "\": {\n \"stream\": "; + if (json_stream_data == qpdf_sj_file) { + writeJSONStreamFile( + version, jw, *stream, og.getObj(), decode_level, file_prefix); + } else { + stream->writeStreamJSON( + version, jw, json_stream_data, decode_level, nullptr, ""); + } + } else { + jw << "\": {\n \"value\": "; + obj.writeJSON(version, jw, true); } } } if (all_objects || wanted_objects.count("trailer")) { - auto trailer = getTrailer(); - writeJSONObject(version, p, first_qpdf_inner, "trailer", trailer); - } - JSON::writeDictionaryClose(p, first_qpdf_inner, depth_qpdf); - JSON::writeArrayClose(p, first_qpdf, depth_top); + if (!first) { + jw << "\n },"; + } + jw << "\n \"trailer\": {\n \"value\": "; + getTrailer().writeJSON(version, jw, true); + first = false; + } + if (!first) { + jw << "\n }"; + } + /* clang-format off */ + jw << "\n" + " }\n" + " ]"; + /* clang-format on */ if (complete) { - JSON::writeDictionaryClose(p, first, 0); - *p << "\n"; + jw << "\n}\n"; p->finish(); } - first_key = false; } |