clonevisitor.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 __cloneVisitor__
#define __cloneVisitor__
 
#include <stack>
#include "visitor.h"
#include "xml.h"
 
namespace MusicXML2 
{   
 
class EXP clonevisitor : 
    public visitor<Sxmlelement>
{
    public:
                 clonevisitor() : fClone(true) {}
        virtual ~clonevisitor() {}
              
        virtual void visitStart( Sxmlelement& elt );
        virtual void visitEnd  ( Sxmlelement& elt );
        
        virtual Sxmlelement clone() { return fStack.top(); }
 
    protected:
        virtual void            clone(bool state)   { fClone = state; }
        virtual void            copyAttributes (const Sxmlelement& src, Sxmlelement& dst);
        virtual Sxmlelement     copy (const Sxmlelement& elt);
        virtual Sxmlelement&    lastCopy () { return fLastCopy; }
 
        bool                    fClone;
        Sxmlelement             fLastCopy;
        std::stack<Sxmlelement> fStack;
};
 
}
 
#endif