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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   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+
+    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