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Updated named trees in catalog to fulfill PDF 2.0 specification

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This commit is contained in:
Jakub Melka
2020-08-01 18:24:33 +02:00
parent 534ff8e814
commit fa30ed37bb
4 changed files with 175 additions and 13 deletions
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114
PdfForQtLib/sources/pdfcatalog.cpp
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@ -69,10 +69,10 @@ size_t PDFCatalog::getPageIndexFromPageReference(PDFObjectReference reference) c
return INVALID_PAGE_INDEX;
}
const PDFDestination* PDFCatalog::getDestination(const QByteArray& key) const
const PDFDestination* PDFCatalog::getNamedDestination(const QByteArray& key) const
{
auto it = m_destinations.find(key);
if (it != m_destinations.cend())
auto it = m_namedDestinations.find(key);
if (it != m_namedDestinations.cend())
{
return &it->second;
}
@ -80,6 +80,94 @@ const PDFDestination* PDFCatalog::getDestination(const QByteArray& key) const
return nullptr;
}
PDFActionPtr PDFCatalog::getNamedJavaScriptAction(const QByteArray& key) const
{
auto it = m_namedJavaScriptActions.find(key);
if (it != m_namedJavaScriptActions.cend())
{
return it->second;
}
return nullptr;
}
PDFObject PDFCatalog::getNamedAppearanceStream(const QByteArray& key) const
{
auto it = m_namedAppearanceStreams.find(key);
if (it != m_namedAppearanceStreams.cend())
{
return it->second;
}
return PDFObject();
}
PDFObject PDFCatalog::getNamedPage(const QByteArray& key) const
{
auto it = m_namedPages.find(key);
if (it != m_namedPages.cend())
{
return it->second;
}
return PDFObject();
}
PDFObject PDFCatalog::getNamedTemplate(const QByteArray& key) const
{
auto it = m_namedTemplates.find(key);
if (it != m_namedTemplates.cend())
{
return it->second;
}
return PDFObject();
}
PDFObject PDFCatalog::getNamedDigitalIdentifier(const QByteArray& key) const
{
auto it = m_namedDigitalIdentifiers.find(key);
if (it != m_namedDigitalIdentifiers.cend())
{
return it->second;
}
return PDFObject();
}
PDFObject PDFCatalog::getNamedUrl(const QByteArray& key) const
{
auto it = m_namedUniformResourceLocators.find(key);
if (it != m_namedUniformResourceLocators.cend())
{
return it->second;
}
return PDFObject();
}
PDFObject PDFCatalog::getNamedAlternateRepresentation(const QByteArray& key) const
{
auto it = m_namedAlternateRepresentations.find(key);
if (it != m_namedAlternateRepresentations.cend())
{
return it->second;
}
return PDFObject();
}
PDFObject PDFCatalog::getNamedRendition(const QByteArray& key) const
{
auto it = m_namedRenditions.find(key);
if (it != m_namedRenditions.cend())
{
return it->second;
}
return PDFObject();
}
PDFCatalog PDFCatalog::parse(const PDFObject& catalog, const PDFDocument* document)
{
if (!catalog.isDictionary())
@ -171,9 +259,21 @@ PDFCatalog PDFCatalog::parse(const PDFObject& catalog, const PDFDocument* docume
return PDFDestination::parse(storage, qMove(object));
};
catalogObject.m_destinations = PDFNameTreeLoader<PDFDestination>::parse(&document->getStorage(), namesDictionary->get("Dests"), parseDestination);
catalogObject.m_javaScriptActions = PDFNameTreeLoader<PDFActionPtr>::parse(&document->getStorage(), namesDictionary->get("JavaScript"), &PDFAction::parse);
catalogObject.m_embeddedFiles = PDFNameTreeLoader<PDFFileSpecification>::parse(&document->getStorage(), namesDictionary->get("EmbeddedFiles"), &PDFFileSpecification::parse);
auto getObject = [](const PDFObjectStorage*, PDFObject object)
{
return qMove(object);
};
catalogObject.m_namedDestinations = PDFNameTreeLoader<PDFDestination>::parse(&document->getStorage(), namesDictionary->get("Dests"), parseDestination);
catalogObject.m_namedAppearanceStreams = PDFNameTreeLoader<PDFObject>::parse(&document->getStorage(), namesDictionary->get("AP"), getObject);
catalogObject.m_namedJavaScriptActions = PDFNameTreeLoader<PDFActionPtr>::parse(&document->getStorage(), namesDictionary->get("JavaScript"), &PDFAction::parse);
catalogObject.m_namedPages = PDFNameTreeLoader<PDFObject>::parse(&document->getStorage(), namesDictionary->get("Pages"), getObject);
catalogObject.m_namedTemplates = PDFNameTreeLoader<PDFObject>::parse(&document->getStorage(), namesDictionary->get("Templates"), getObject);
catalogObject.m_namedDigitalIdentifiers = PDFNameTreeLoader<PDFObject>::parse(&document->getStorage(), namesDictionary->get("IDS"), getObject);
catalogObject.m_namedUniformResourceLocators = PDFNameTreeLoader<PDFObject>::parse(&document->getStorage(), namesDictionary->get("URLS"), getObject);
catalogObject.m_namedEmbeddedFiles = PDFNameTreeLoader<PDFFileSpecification>::parse(&document->getStorage(), namesDictionary->get("EmbeddedFiles"), &PDFFileSpecification::parse);
catalogObject.m_namedAlternateRepresentations = PDFNameTreeLoader<PDFObject>::parse(&document->getStorage(), namesDictionary->get("AlternatePresentations"), getObject);
catalogObject.m_namedRenditions = PDFNameTreeLoader<PDFObject>::parse(&document->getStorage(), namesDictionary->get("Renditions"), getObject);
}
// Examine "Dests" dictionary
@ -182,7 +282,7 @@ PDFCatalog PDFCatalog::parse(const PDFObject& catalog, const PDFDocument* docume
const size_t count = destsDictionary->getCount();
for (size_t i = 0; i < count; ++i)
{
catalogObject.m_destinations[destsDictionary->getKey(i).getString()] = PDFDestination::parse(&document->getStorage(), destsDictionary->getValue(i));
catalogObject.m_namedDestinations[destsDictionary->getKey(i).getString()] = PDFDestination::parse(&document->getStorage(), destsDictionary->getValue(i));
}
}