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https://github.com/qpdf/qpdf.git
synced 2024-12-23 03:18:59 +00:00
Reimplement QPDFObjectHandle::getJSON in terms of writeJSON
This commit is contained in:
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9379b76811
commit
9589fad1e5
@ -1618,7 +1618,11 @@ QPDFObjectHandle::getJSON(int json_version, bool dereference_indirect)
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} else if (!dereference()) {
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} else if (!dereference()) {
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throw std::logic_error("attempted to dereference an uninitialized QPDFObjectHandle");
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throw std::logic_error("attempted to dereference an uninitialized QPDFObjectHandle");
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} else {
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} else {
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return obj->getJSON(json_version);
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Pl_Buffer p{"json"};
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JSON::Writer jw{&p, 0};
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writeJSON(json_version, jw, dereference_indirect);
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p.finish();
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return JSON::parse(p.getString());
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}
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}
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}
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}
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@ -149,38 +149,6 @@ QPDF_Array::unparse()
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return result;
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return result;
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}
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}
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JSON
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QPDF_Array::getJSON(int json_version)
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{
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static const JSON j_null = JSON::makeNull();
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JSON j_array = JSON::makeArray();
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if (sp) {
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int next = 0;
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for (auto& item: sp->elements) {
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int key = item.first;
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for (int j = next; j < key; ++j) {
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j_array.addArrayElement(j_null);
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}
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auto og = item.second->getObjGen();
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j_array.addArrayElement(
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og.isIndirect() ? JSON::makeString(og.unparse(' ') + " R")
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: item.second->getJSON(json_version));
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next = ++key;
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}
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for (int j = next; j < sp->size; ++j) {
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j_array.addArrayElement(j_null);
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}
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} else {
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for (auto const& item: elements) {
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auto og = item->getObjGen();
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j_array.addArrayElement(
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og.isIndirect() ? JSON::makeString(og.unparse(' ') + " R")
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: item->getJSON(json_version));
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}
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}
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return j_array;
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}
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void
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void
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QPDF_Array::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Array::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -26,12 +26,6 @@ QPDF_Bool::unparse()
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return (val ? "true" : "false");
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return (val ? "true" : "false");
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}
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}
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JSON
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QPDF_Bool::getJSON(int json_version)
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{
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return JSON::makeBool(this->val);
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}
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void
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void
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QPDF_Bool::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Bool::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -28,13 +28,6 @@ QPDF_Destroyed::unparse()
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return "";
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return "";
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}
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}
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JSON
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QPDF_Destroyed::getJSON(int json_version)
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{
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throw std::logic_error("attempted to get JSON from a QPDFObjectHandle from a destroyed QPDF");
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return JSON::makeNull();
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}
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void
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void
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QPDF_Destroyed::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Destroyed::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -68,26 +68,6 @@ QPDF_Dictionary::unparse()
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return result;
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return result;
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}
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}
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JSON
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QPDF_Dictionary::getJSON(int json_version)
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{
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JSON j = JSON::makeDictionary();
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for (auto& iter: this->items) {
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if (!iter.second.isNull()) {
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if (json_version == 1) {
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j.addDictionaryMember(
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QPDF_Name::normalizeName(iter.first), iter.second.getJSON(json_version));
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} else if (auto res = QPDF_Name::analyzeJSONEncoding(iter.first); res.first) {
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j.addDictionaryMember(iter.first, iter.second.getJSON(json_version));
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} else {
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j.addDictionaryMember(
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"n:" + QPDF_Name::normalizeName(iter.first), iter.second.getJSON(json_version));
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}
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}
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}
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return j;
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}
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void
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void
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QPDF_Dictionary::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Dictionary::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -26,12 +26,6 @@ QPDF_InlineImage::unparse()
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return this->val;
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return this->val;
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}
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}
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JSON
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QPDF_InlineImage::getJSON(int json_version)
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{
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return JSON::makeNull();
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}
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void
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void
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QPDF_InlineImage::writeJSON(int json_version, JSON::Writer& p)
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QPDF_InlineImage::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -27,12 +27,6 @@ QPDF_Integer::unparse()
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return std::to_string(this->val);
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return std::to_string(this->val);
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}
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}
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JSON
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QPDF_Integer::getJSON(int json_version)
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{
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return JSON::makeInt(this->val);
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}
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void
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void
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QPDF_Integer::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Integer::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -103,20 +103,6 @@ QPDF_Name::analyzeJSONEncoding(const std::string& name)
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return {tail == 0, !needs_escaping};
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return {tail == 0, !needs_escaping};
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}
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}
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JSON
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QPDF_Name::getJSON(int json_version)
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{
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if (json_version == 1) {
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return JSON::makeString(normalizeName(this->name));
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} else {
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if (auto res = analyzeJSONEncoding(name); res.first) {
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return JSON::makeString(name);
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} else {
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return JSON::makeString("n:" + normalizeName(name));
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}
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}
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}
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void
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void
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QPDF_Name::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Name::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -44,13 +44,6 @@ QPDF_Null::unparse()
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return "null";
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return "null";
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}
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}
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JSON
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QPDF_Null::getJSON(int json_version)
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{
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// If this is updated, QPDF_Array::getJSON must also be updated.
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return JSON::makeNull();
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}
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void
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void
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QPDF_Null::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Null::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -26,12 +26,6 @@ QPDF_Operator::unparse()
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return val;
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return val;
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}
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}
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JSON
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QPDF_Operator::getJSON(int json_version)
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{
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return JSON::makeNull();
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}
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void
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void
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QPDF_Operator::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Operator::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -39,25 +39,6 @@ QPDF_Real::unparse()
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return this->val;
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return this->val;
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}
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}
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JSON
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QPDF_Real::getJSON(int json_version)
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{
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// While PDF allows .x or -.x, JSON does not. Rather than converting from string to double and
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// back, just handle this as a special case for JSON.
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std::string result;
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if (this->val.length() == 0) {
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// Can't really happen...
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result = "0";
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} else if (this->val.at(0) == '.') {
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result = "0" + this->val;
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} else if ((this->val.length() >= 2) && (this->val.at(0) == '-') && (this->val.at(1) == '.')) {
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result = "-0." + this->val.substr(2);
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} else {
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result = this->val;
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}
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return JSON::makeNumber(result);
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}
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void
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void
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QPDF_Real::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Real::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -26,13 +26,6 @@ QPDF_Reserved::unparse()
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return "";
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return "";
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}
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}
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JSON
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QPDF_Reserved::getJSON(int json_version)
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{
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throw std::logic_error("QPDFObjectHandle: attempting to get JSON from a reserved object");
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return JSON::makeNull();
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}
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void
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void
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QPDF_Reserved::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Reserved::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -177,15 +177,6 @@ QPDF_Stream::unparse()
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return og.unparse(' ') + " R";
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return og.unparse(' ') + " R";
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}
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}
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JSON
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QPDF_Stream::getJSON(int json_version)
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{
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if (json_version == 1) {
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return this->stream_dict.getJSON(json_version);
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}
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return getStreamJSON(json_version, qpdf_sj_none, qpdf_dl_none, nullptr, "");
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}
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void
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void
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QPDF_Stream::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Stream::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -46,35 +46,6 @@ QPDF_String::unparse()
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return unparse(false);
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return unparse(false);
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}
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}
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JSON
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QPDF_String::getJSON(int json_version)
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{
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if (json_version == 1) {
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return JSON::makeString(getUTF8Val());
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}
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// See if we can unambiguously represent as Unicode.
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bool is_unicode = false;
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std::string result;
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std::string candidate = getUTF8Val();
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if (QUtil::is_utf16(this->val) || QUtil::is_explicit_utf8(this->val)) {
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is_unicode = true;
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result = candidate;
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} else if (!useHexString()) {
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std::string test;
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if (QUtil::utf8_to_pdf_doc(candidate, test, '?') && (test == this->val)) {
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// This is a PDF-doc string that can be losslessly encoded as Unicode.
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is_unicode = true;
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result = candidate;
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}
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}
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if (is_unicode) {
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result = "u:" + result;
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} else {
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result = "b:" + QUtil::hex_encode(this->val);
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}
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return JSON::makeString(result);
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}
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void
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void
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QPDF_String::writeJSON(int json_version, JSON::Writer& p)
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QPDF_String::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -27,13 +27,6 @@ QPDF_Unresolved::unparse()
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return "";
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return "";
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}
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}
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JSON
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QPDF_Unresolved::getJSON(int json_version)
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{
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throw std::logic_error("attempted to get JSON from an unresolved QPDFObjectHandle");
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return JSON::makeNull();
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}
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void
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void
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QPDF_Unresolved::writeJSON(int json_version, JSON::Writer& p)
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QPDF_Unresolved::writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -33,11 +33,6 @@ class QPDFObject
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{
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{
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return value->unparse();
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return value->unparse();
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}
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}
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JSON
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getJSON(int json_version)
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{
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return value->getJSON(json_version);
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}
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void
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void
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writeJSON(int json_version, JSON::Writer& p)
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writeJSON(int json_version, JSON::Writer& p)
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{
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{
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@ -24,7 +24,6 @@ class QPDFValue: public std::enable_shared_from_this<QPDFValue>
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virtual std::shared_ptr<QPDFObject> copy(bool shallow = false) = 0;
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virtual std::shared_ptr<QPDFObject> copy(bool shallow = false) = 0;
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virtual std::string unparse() = 0;
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virtual std::string unparse() = 0;
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virtual JSON getJSON(int json_version) = 0;
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virtual void writeJSON(int json_version, JSON::Writer& p) = 0;
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virtual void writeJSON(int json_version, JSON::Writer& p) = 0;
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struct JSON_Descr
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struct JSON_Descr
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@ -22,7 +22,6 @@ class QPDF_Array: public QPDFValue
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create(std::vector<std::shared_ptr<QPDFObject>>&& items, bool sparse);
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create(std::vector<std::shared_ptr<QPDFObject>>&& items, bool sparse);
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::string unparse() override;
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std::string unparse() override;
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JSON getJSON(int json_version) override;
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void writeJSON(int json_version, JSON::Writer& p) override;
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void writeJSON(int json_version, JSON::Writer& p) override;
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void disconnect() override;
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void disconnect() override;
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@ -10,7 +10,6 @@ class QPDF_Bool: public QPDFValue
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static std::shared_ptr<QPDFObject> create(bool val);
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static std::shared_ptr<QPDFObject> create(bool val);
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::string unparse() override;
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std::string unparse() override;
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JSON getJSON(int json_version) override;
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void writeJSON(int json_version, JSON::Writer& p) override;
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void writeJSON(int json_version, JSON::Writer& p) override;
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bool getVal() const;
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bool getVal() const;
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@ -9,7 +9,6 @@ class QPDF_Destroyed: public QPDFValue
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~QPDF_Destroyed() override = default;
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~QPDF_Destroyed() override = default;
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::string unparse() override;
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std::string unparse() override;
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JSON getJSON(int json_version) override;
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void writeJSON(int json_version, JSON::Writer& p) override;
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void writeJSON(int json_version, JSON::Writer& p) override;
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static std::shared_ptr<QPDFValue> getInstance();
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static std::shared_ptr<QPDFValue> getInstance();
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@ -16,7 +16,6 @@ class QPDF_Dictionary: public QPDFValue
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static std::shared_ptr<QPDFObject> create(std::map<std::string, QPDFObjectHandle>&& items);
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static std::shared_ptr<QPDFObject> create(std::map<std::string, QPDFObjectHandle>&& items);
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::string unparse() override;
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std::string unparse() override;
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JSON getJSON(int json_version) override;
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void writeJSON(int json_version, JSON::Writer& p) override;
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void writeJSON(int json_version, JSON::Writer& p) override;
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void disconnect() override;
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void disconnect() override;
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@ -10,7 +10,6 @@ class QPDF_InlineImage: public QPDFValue
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static std::shared_ptr<QPDFObject> create(std::string const& val);
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static std::shared_ptr<QPDFObject> create(std::string const& val);
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
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std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
std::string
|
std::string
|
||||||
getStringValue() const override
|
getStringValue() const override
|
||||||
|
@ -10,7 +10,6 @@ class QPDF_Integer: public QPDFValue
|
|||||||
static std::shared_ptr<QPDFObject> create(long long value);
|
static std::shared_ptr<QPDFObject> create(long long value);
|
||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
long long getVal() const;
|
long long getVal() const;
|
||||||
|
|
||||||
|
@ -10,7 +10,6 @@ class QPDF_Name: public QPDFValue
|
|||||||
static std::shared_ptr<QPDFObject> create(std::string const& name);
|
static std::shared_ptr<QPDFObject> create(std::string const& name);
|
||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
|
|
||||||
// Put # into strings with characters unsuitable for name token
|
// Put # into strings with characters unsuitable for name token
|
||||||
|
@ -18,7 +18,6 @@ class QPDF_Null: public QPDFValue
|
|||||||
std::string var_descr);
|
std::string var_descr);
|
||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
|
|
||||||
private:
|
private:
|
||||||
|
@ -10,7 +10,6 @@ class QPDF_Operator: public QPDFValue
|
|||||||
static std::shared_ptr<QPDFObject> create(std::string const& val);
|
static std::shared_ptr<QPDFObject> create(std::string const& val);
|
||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
std::string
|
std::string
|
||||||
getStringValue() const override
|
getStringValue() const override
|
||||||
|
@ -12,7 +12,6 @@ class QPDF_Real: public QPDFValue
|
|||||||
create(double value, int decimal_places, bool trim_trailing_zeroes);
|
create(double value, int decimal_places, bool trim_trailing_zeroes);
|
||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
std::string
|
std::string
|
||||||
getStringValue() const override
|
getStringValue() const override
|
||||||
|
@ -10,7 +10,6 @@ class QPDF_Reserved: public QPDFValue
|
|||||||
static std::shared_ptr<QPDFObject> create();
|
static std::shared_ptr<QPDFObject> create();
|
||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
|
|
||||||
private:
|
private:
|
||||||
|
@ -25,7 +25,6 @@ class QPDF_Stream: public QPDFValue
|
|||||||
size_t length);
|
size_t length);
|
||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
void setDescription(
|
void setDescription(
|
||||||
QPDF*, std::shared_ptr<QPDFValue::Description>& description, qpdf_offset_t offset) override;
|
QPDF*, std::shared_ptr<QPDFValue::Description>& description, qpdf_offset_t offset) override;
|
||||||
|
@ -16,7 +16,6 @@ class QPDF_String: public QPDFValue
|
|||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
std::string unparse(bool force_binary);
|
std::string unparse(bool force_binary);
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
std::string getUTF8Val() const;
|
std::string getUTF8Val() const;
|
||||||
std::string
|
std::string
|
||||||
|
@ -10,7 +10,6 @@ class QPDF_Unresolved: public QPDFValue
|
|||||||
static std::shared_ptr<QPDFObject> create(QPDF* qpdf, QPDFObjGen const& og);
|
static std::shared_ptr<QPDFObject> create(QPDF* qpdf, QPDFObjGen const& og);
|
||||||
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
std::shared_ptr<QPDFObject> copy(bool shallow = false) override;
|
||||||
std::string unparse() override;
|
std::string unparse() override;
|
||||||
JSON getJSON(int json_version) override;
|
|
||||||
void writeJSON(int json_version, JSON::Writer& p) override;
|
void writeJSON(int json_version, JSON::Writer& p) override;
|
||||||
|
|
||||||
private:
|
private:
|
||||||
|
Loading…
Reference in New Issue
Block a user