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Tool for exporting internal format of PDF to xml file

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Jakub Melka
2020-09-30 18:41:22 +02:00
parent 6ba8eabc34
commit a6163978bc
9 changed files with 402 additions and 5 deletions
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16
PdfForQtLib/sources/pdfencoding.h
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@ -77,6 +77,13 @@ public:
/// \param encoding Encoding used in verification of conversion
static bool canConvertToEncoding(const QString& string, Encoding encoding);
/// Checks, if stream can be converted to string using encoding (i.e. all
/// characters are defined). If all characters are valid, then true is
/// returned. This is only guess.
/// \param stream Stream
/// \param encoding Target encoding
static bool canConvertFromEncoding(const QByteArray& stream, Encoding encoding);
/// Convert text string to the unicode string, using either PDFDocEncoding,
/// or UTF-16BE encoding. Please see PDF Reference 1.7, Chapter 3.8.1. If
/// UTF-16BE encoding is used, then leading bytes should be 0xFE and 0xFF
@ -104,6 +111,15 @@ public:
/// \param encoding Encoding
static const encoding::EncodingTable* getTableForEncoding(Encoding encoding);
/// Tries to convert stream to unicode string. Stream can be binary.
/// If this is the case, then hexadecimal representation of stream is returned.
/// Function checks if stream can be converted to unicode by heuristic
/// way, it is not always reliable.
/// \param stream Stream
/// \param isBinary If specified, it is set to true if conversion failed
/// \returns Unicode string or string converted to hexadecimal representation
static QString convertSmartFromByteStringToUnicode(const QByteArray& stream, bool* isBinary);
private:
/// Returns true, if byte array has UTF-16BE/LE unicode marking bytes at the
/// stream start. If they are present, then byte stream is probably encoded