tree_browser.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 __tree_browser__
#define __tree_browser__
 
#include "exports.h"
#include "basevisitor.h"
#include "browser.h"
#include "ctree.h"
 
namespace MusicXML2 
{
 
//______________________________________________________________________________
template <typename T> class EXP tree_browser : public browser<T> 
{
    protected:
        basevisitor*    fVisitor;
 
        virtual void enter (T& t)       { t.acceptIn(*fVisitor); }
        virtual void leave (T& t)       { t.acceptOut(*fVisitor); }
 
    public:
        typedef typename ctree<T>::treePtr treePtr;
        
                 tree_browser(basevisitor* v) : fVisitor(v) {}
        virtual ~tree_browser() {}
 
        virtual void set (basevisitor* v)   {  fVisitor = v; }
        virtual void browse (T& t) {
            enter(t);
            typename ctree<T>::literator iter;
            for (iter = t.lbegin(); iter != t.lend(); iter++)
                browse(**iter);
            leave(t);
        }
};
 
}
 
#endif