canorusmlimport.h

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#ifndef CANORUSMLIMPORT_H_
#define CANORUSMLIMPORT_H_

#include <QStack>
#include <QHash>
#include <QXmlDefaultHandler>
#include <QColor>

#include "import/import.h"

#include "core/diatonicpitch.h"
#include "core/playablelength.h"
#include "core/diatonickey.h"

class CAContext;
class CAKeySignature;
class CATimeSignature;
class CAClef;
class CABarline;
class CANote;
class CARest;
class CASlur;
class CASyllable;
class CAMusElement;
class CAMark;
class CATuplet;

class CACanorusMLImport : public CAImport, public QXmlDefaultHandler {
public:
        CACanorusMLImport( QTextStream *stream=0 );
        CACanorusMLImport( const QString stream );
        virtual ~CACanorusMLImport();

        void initCanorusMLImport();

        CADocument* importDocumentImpl();

        bool startElement(const QString& namespaceURI, const QString& localName, const QString& qName,
                          const QXmlAttributes& attributes);
        bool endElement(const QString& namespaceURI, const QString& localName,
                        const QString& qName);
        bool fatalError(const QXmlParseException& exception);
        bool characters(const QString& ch);

private:
        void importMark( const QXmlAttributes& attributes );
        void importResource( const QXmlAttributes& attributes );

        inline CADocument *document() { return _document; }
        CADocument     *_document;

        QString         _version;
        QString         _errorMsg;
        QStack<QString> _depth;

        // Pointers to the current elements when reading the XML file
        CASheet         *_curSheet;
        CAContext       *_curContext;
        CAVoice         *_curVoice;
        CAKeySignature  *_curKeySig;
        CATimeSignature *_curTimeSig;
        CAClef          *_curClef;
        CABarline       *_curBarline;
        CANote          *_curNote;
        CARest          *_curRest;
        CAMusElement    *_curMusElt;
        CAMark          *_curMark;
        CASlur          *_curTie;
        CASlur          *_curSlur;
        CATuplet        *_curTuplet;
        CASlur          *_curPhrasingSlur;
        CADiatonicPitch  _curDiatonicPitch;
        CADiatonicKey    _curDiatonicKey;
        CAPlayableLength _curPlayableLength;
        CAPlayableLength _curTempoPlayableLength;
        QHash<CALyricsContext*, int> _lcMap;       // lyrics context associated voice indices
        QHash<CASyllable*, int>      _syllableMap; // syllable associated voice indices
        QColor           _color; // foreground color of elements

        // Temporary properties for each XML stanza //
        QString _cha;
};

#endif /* CANORUSMLIMPORT_H_ */