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Update file specification according the PDF 2.0 compliance

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Jakub Melka
2020-08-02 17:28:08 +02:00
parent a2c5de0fe4
commit 6814e2755e
4 changed files with 55 additions and 4 deletions
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22
PdfForQtLib/sources/pdffile.h
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@@ -26,6 +26,25 @@ namespace pdf
{
class PDFObjectStorage;
/// File identifier according section 14.4 of PDF 2.0 specification.
/// Each identifier consists of two parts - permanent identifier, which
/// is unique identifier based on original document, and changing identifier,
/// which is updated when document is being modified.
class PDFFileIdentifier
{
public:
explicit inline PDFFileIdentifier() = default;
const QByteArray& getPermanentIdentifier() const { return m_permanentIdentifier; }
const QByteArray& getChangingIdentifier() const { return m_changingIdentifier; }
static PDFFileIdentifier parse(const PDFObjectStorage* storage, PDFObject object);
private:
QByteArray m_permanentIdentifier;
QByteArray m_changingIdentifier;
};
class PDFEmbeddedFile
{
public:
@@ -70,6 +89,7 @@ public:
const QByteArray& getDOS() const { return m_DOS; }
const QByteArray& getMac() const { return m_Mac; }
const QByteArray& getUnix() const { return m_Unix; }
const PDFFileIdentifier& getFileIdentifier() const { return m_id; }
bool isVolatile() const { return m_volatile; }
const QString& getDescription() const { return m_description; }
PDFObjectReference getCollection() const { return m_collection; }
@@ -93,6 +113,8 @@ private:
QByteArray m_Mac;
QByteArray m_Unix;
PDFFileIdentifier m_id;
/// Is file volatile? I.e it is, for example, link to a video file from online camera?
/// If this boolean is true, then file should never be cached.
bool m_volatile = false;