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/* -*- 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 <tqstring.h>
#include "base/Event.h"
#include <tqxml.h>
class TQXmlParseException;
class TQXmlAttributes;
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 TQString& namespaceURI,
const TQString& localName,
const TQString& qName,
const TQXmlAttributes& atts);
virtual bool endElement(const TQString& namespaceURI,
const TQString& localName,
const TQString& qName);
virtual bool characters(const TQString& 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)
TQString errorString();
bool hasActiveAudio() const { return m_hasActiveAudio; }
std::set<TQString> &pluginsNotFound() { return m_pluginsNotFound; }
bool error(const TQXmlParseException& exception);
bool fatalError(const TQXmlParseException& 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(TQString name, bool createAtSequencer);
void setMIDIDeviceConnection(TQString connection);
void setMIDIDeviceName(TQString 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;
TQString m_errorString;
std::set<TQString> 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
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