TimeUnwrap.h

#ifndef __TimeUnwrap__
#define __TimeUnwrap__
 
/*
  GUIDO Library
  Copyright (C) 2010  Grame
 
 
  This Source Code Form is subject to the terms of the Mozilla Public
  License, v. 2.0. If a copy of the MPL was not distributed with this
  file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
  Grame Research Laboratory, 11, cours de Verdun Gensoul 69002 Lyon - France
  research@grame.fr
 
*/
 
#include "GUIDOEngine.h"
#include "GUIDOScoreMap.h"
#include "GUIDOTypes.h"
#include "defines.h"
 
#include <map>
 
class ARMusicalObject;
class ARMusicalVoice;
//------------------------------------------------------------------------------
// mapping collector abstract class definition
class TimeUnwrap
{
    private:
        typedef const ARMusicalObject * Position;
        
        TYPE_TIMEPOSITION   fRPosition;     // the current rolled time position
        ARMusicalVoice*     fVoice;         // the musical voice we're browsing
        
        Position    fStartPos;      // the score start position
        Position    fFinePos;       // the score fine position
        Position    fCodaPos;       // the score coda position
        Position    fSegnoPos;      // the score segno position
        Position    fRepeatPos;     // the score repeat begin position
        Position    fBackJump;      // indicates a backward jump position (da capo or dal segno)
        bool        fPendingFine;
        bool        fPendingCoda;
        bool        fDone;
 
        std::map<Position,int>  fRepeatMap;         // used to avoid loops in scores
        std::map<Position,int>  fJumpsMap;          // used to avoid loops in scores
 
    public:
        typedef enum {  kNote, kRest, kRepeatBegin, kRepeatEnd, 
                        kFine, kCoda, kSegno,
                        kDaCapo, kDaCapoAlFine, kDaCoda,
                        kDalSegno, kDalSegnoAlFine, kVolta, kTempo,
                        kFermata, kAccent, kSlur, kStaccato, kTenuto,
                        kMarcato, kIntens, kTie, kGlissando, kChordComma, kNoTie } EventType;
 
                 TimeUnwrap(ARMusicalVoice* voice) : fVoice(voice),
                                                fStartPos(0), fFinePos(0), fCodaPos(0),
                                                fSegnoPos(0), fRepeatPos (0), fBackJump(0),
                                                fPendingFine(false), fPendingCoda(false), fDone(false) {}
        virtual ~TimeUnwrap() {}
        
        virtual void    AtPos (const ARMusicalObject * ev, EventType type);
        virtual void    Event (const ARMusicalObject * ev, EventType type) {}
 
    protected:
        virtual void        Note (const ARMusicalObject * ev);
        virtual void        Rest (const ARMusicalObject * ev);
        const TYPE_TIMEPOSITION& PrevPosition() const   { return fRPosition; }
        bool                     StartPos() const       { return fStartPos != 0; }
 
    private:
        void    NewEv (const ARMusicalObject * ev);
        void    Jump (const ARMusicalObject* pos, const ARMusicalObject* to, const ARMusicalObject* end );
};
 
 
#endif