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Advanced functions

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Jakub Melka
2019-03-07 19:57:03 +01:00
parent 2023e17c4c
commit 234b7c77f7
6 changed files with 901 additions and 32 deletions
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31
PdfForQtLib/sources/pdfparser.h
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@ -217,7 +217,7 @@ public:
}
/// Guard guarding the cyclical references.
/// Guard guarding the cyclical references (by reference).
class PDFParsingContextGuard
{
public:
@ -238,6 +238,33 @@ public:
PDFObjectReference m_reference;
};
/// Guard guarding the cyclical references (by object).
class PDFParsingContextObjectGuard
{
public:
explicit inline PDFParsingContextObjectGuard(PDFParsingContext* context, const PDFObject* object) :
m_context(context),
m_object(object)
{
if (object->isReference())
{
m_context->beginParsingObject(object->getReference());
}
}
inline ~PDFParsingContextObjectGuard()
{
if (m_object->isReference())
{
m_context->endParsingObject(m_object->getReference());
}
}
private:
PDFParsingContext* m_context;
const PDFObject* m_object;
};
/// Returns dereferenced object, if object is a reference. If it is not a reference,
/// then same object is returned.
PDFObject getObject(const PDFObject& object);
@ -257,7 +284,7 @@ private:
/// Class for parsing objects. Checks cyclical references. If
/// the object cannot be obtained from the stream, exception is thrown.
class PDFParser
class PDFFORQTLIBSHARED_EXPORT PDFParser
{
Q_DECLARE_TR_FUNCTIONS(pdf::PDFParser)