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Diffstat (limited to 'src/document/RoseXmlHandler.h')
| -rw-r--r-- | src/document/RoseXmlHandler.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/document/RoseXmlHandler.h b/src/document/RoseXmlHandler.h new file mode 100644 index 0000000..ab06e3a --- /dev/null +++ b/src/document/RoseXmlHandler.h @@ -0,0 +1,192 @@ + +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + Rosegarden + A MIDI and audio sequencer and musical notation editor. + + This program is Copyright 2000-2008 + Guillaume Laurent <glaurent@telegraph-road.org>, + Chris Cannam <cannam@all-day-breakfast.com>, + Richard Bown <richard.bown@ferventsoftware.com> + + The moral rights of Guillaume Laurent, Chris Cannam, and Richard + Bown to claim authorship of this work have been asserted. + + Other copyrights also apply to some parts of this work. Please + see the AUTHORS file and individual file headers for details. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. See the file + COPYING included with this distribution for more information. +*/ + +#ifndef _RG_ROSEXMLHANDLER_H_ +#define _RG_ROSEXMLHANDLER_H_ + +#include "base/Device.h" +#include "base/MidiProgram.h" +#include "gui/general/ProgressReporter.h" +#include <map> +#include <set> +#include <string> +#include <qstring.h> +#include "base/Event.h" +#include <qxml.h> + + +class QXmlParseException; +class QXmlAttributes; + + +namespace Rosegarden +{ + +class XmlStorableEvent; +class XmlSubHandler; +class Studio; +class Segment; +class RosegardenGUIDoc; +class Instrument; +class Device; +class Composition; +class ColourMap; +class Buss; +class AudioPluginManager; +class AudioPluginInstance; +class AudioFileManager; + + +/** + * Handler for the Rosegarden XML format + */ +class RoseXmlHandler : public ProgressReporter, public QXmlDefaultHandler +{ +public: + + typedef enum + { + NoSection, + InComposition, + InSegment, + InStudio, + InInstrument, + InBuss, + InAudioFiles, + InPlugin, + InAppearance + } RosegardenFileSection; + + /** + * Construct a new RoseXmlHandler which will put the data extracted + * from the XML file into the specified composition + */ + RoseXmlHandler(RosegardenGUIDoc *doc, + unsigned int elementCount, + bool createNewDevicesWhenNeeded); + + virtual ~RoseXmlHandler(); + + /// overloaded handler functions + virtual bool startDocument(); + virtual bool startElement(const QString& namespaceURI, + const QString& localName, + const QString& qName, + const QXmlAttributes& atts); + + virtual bool endElement(const QString& namespaceURI, + const QString& localName, + const QString& qName); + + virtual bool characters(const QString& ch); + + virtual bool endDocument (); // [rwb] - for tempo element catch + + bool isDeprecated() { return m_deprecation; } + + bool isCancelled() { return m_cancelled; } + + /// Return the error string set during the parsing (if any) + QString errorString(); + + bool hasActiveAudio() const { return m_hasActiveAudio; } + std::set<QString> &pluginsNotFound() { return m_pluginsNotFound; } + + bool error(const QXmlParseException& exception); + bool fatalError(const QXmlParseException& exception); + +protected: + + // just for convenience -- just call to the document + // + Composition& getComposition(); + Studio& getStudio(); + AudioFileManager& getAudioFileManager(); + AudioPluginManager* getAudioPluginManager(); + + void setSubHandler(XmlSubHandler* sh); + XmlSubHandler* getSubHandler() { return m_subHandler; } + + void addMIDIDevice(QString name, bool createAtSequencer); + void setMIDIDeviceConnection(QString connection); + void setMIDIDeviceName(QString name); + void skipToNextPlayDevice(); + + //--------------- Data members --------------------------------- + + RosegardenGUIDoc *m_doc; + Segment *m_currentSegment; + XmlStorableEvent *m_currentEvent; + + timeT m_currentTime; + timeT m_chordDuration; + timeT *m_segmentEndMarkerTime; + + bool m_inChord; + bool m_inGroup; + bool m_inComposition; + bool m_inColourMap; + std::string m_groupType; + int m_groupId; + int m_groupTupletBase; + int m_groupTupledCount; + int m_groupUntupledCount; + std::map<long, long> m_groupIdMap; + + bool m_foundTempo; + + QString m_errorString; + std::set<QString> m_pluginsNotFound; + + RosegardenFileSection m_section; + Device *m_device; + DeviceId m_deviceRunningId; + bool m_percussion; + MidiByte m_msb; + MidiByte m_lsb; + Instrument *m_instrument; + Buss *m_buss; + AudioPluginInstance *m_plugin; + bool m_pluginInBuss; + ColourMap *m_colourMap; + MidiKeyMapping *m_keyMapping; + MidiKeyMapping::KeyNameMap m_keyNameMap; + unsigned int m_pluginId; + unsigned int m_totalElements; + unsigned int m_elementsSoFar; + + XmlSubHandler *m_subHandler; + bool m_deprecation; + bool m_createDevices; + bool m_haveControls; + bool m_cancelled; + bool m_skipAllAudio; + bool m_hasActiveAudio; +}; + + +} + +#endif |