msrElements.h

/*
  MusicXML Library
  Copyright (C) Grame 2006-2013
 
  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
*/
 
#ifndef ___msrElements___
#define ___msrElements___
 
#include "typedefs.h"
#include "tree_browser.h"
#include "rational.h"
 
 
namespace MusicXML2
{
 
//______________________________________________________________________________
class msrElement : public smartable
{
  public:
 
    // creation from MusicXML
    // ------------------------------------------------------
 
    // cloning
    // ------------------------------------------------------
 
  protected:
 
    msrElement (
      int inputLineNumber);
 
    virtual ~msrElement ();
 
  public:
 
    // set and get
    // ------------------------------------------------------
 
    int                   getInputLineNumber ()
                              { return fInputLineNumber; }
 
    // services
    // ------------------------------------------------------
 
  public:
 
    // visitors
    // ------------------------------------------------------
 
    virtual void          acceptIn  (basevisitor* v);
    virtual void          acceptOut (basevisitor* v);
 
    virtual void          browseData (basevisitor* v) = 0;
 
  public:
 
    // print
    // ------------------------------------------------------
 
    virtual std::string   asShortString () const;
    virtual std::string   asString () const;
 
    virtual void          print (ostream& os) const;
 
    virtual void          shortPrint (ostream& os) const;
 
    virtual void          printSummary (ostream& os) {}
 
  protected:
 
    // fields
    // ------------------------------------------------------
 
    int                   fInputLineNumber;
};
typedef SMARTP<msrElement> S_msrElement;
EXP ostream& operator<< (ostream& os, const S_msrElement& elt);
 
//______________________________________________________________________________
template <typename T> class msrBrowser : public browser <T>
{
  public:
 
    msrBrowser (basevisitor* v) : fVisitor (v) {}
 
    virtual ~msrBrowser () {}
 
  public:
 
    virtual void set (basevisitor* v) { fVisitor = v; }
 
    virtual void browse (T& t) {
      enter (t);
 
      t.browseData (fVisitor);
 
      leave (t);
    }
 
  protected:
 
    basevisitor*  fVisitor;
 
    virtual void enter (T& t) { t.acceptIn  (fVisitor); }
    virtual void leave (T& t) { t.acceptOut (fVisitor); }
};
 
 
} // namespace MusicXML2
 
 
#endif