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/******************************************************************************
*
* $Id$
*
*
* Copyright (C) 1997-2005 by Dimitri van Heesch.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
*/
#ifndef BASEITERATOR_H
#define BASEITERATOR_H
#include <qlist.h>
#include <doxmlintf.h>
template<class Intf,class ElemIntf,class ElemImpl> class BaseIterator :
public Intf, public QListIterator<ElemImpl>
{
public:
BaseIterator(const QList<ElemImpl> &list) : QListIterator<ElemImpl>(list) {}
virtual ~BaseIterator() {}
virtual ElemIntf *toFirst() { return QListIterator<ElemImpl>::toFirst(); }
virtual ElemIntf *toLast() { return QListIterator<ElemImpl>::toLast(); }
virtual ElemIntf *toNext() { return QListIterator<ElemImpl>::operator++(); }
virtual ElemIntf *toPrev() { return QListIterator<ElemImpl>::operator--(); }
virtual ElemIntf *current() const { return QListIterator<ElemImpl>::current(); }
virtual void release() { delete this; }
};
template<class Intf,class ElemIntf,class ElemImpl,class Intermediate>
class BaseIteratorVia :
public Intf, public QListIterator<ElemImpl>
{
public:
BaseIteratorVia(const QList<ElemImpl> &list) : QListIterator<ElemImpl>(list) {}
virtual ~BaseIteratorVia() {}
virtual ElemIntf *toFirst() { return static_cast<Intermediate *>(QListIterator<ElemImpl>::toFirst()); }
virtual ElemIntf *toLast() { return static_cast<Intermediate *>(QListIterator<ElemImpl>::toLast()); }
virtual ElemIntf *toNext() { return static_cast<Intermediate *>(QListIterator<ElemImpl>::operator++()); }
virtual ElemIntf *toPrev() { return static_cast<Intermediate *>(QListIterator<ElemImpl>::operator--()); }
virtual ElemIntf *current() const { return static_cast<Intermediate *>(QListIterator<ElemImpl>::current()); }
virtual void release() { delete this; }
};
#endif
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