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