src/qt/src/tools/qvaluestack.h

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/****************************************************************************
** $Id: qt/qvaluestack.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of QValueStack class
**
** Created : 990925
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech ASA of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
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**********************************************************************/

#ifndef QVALUESTACK_H
#define QVALUESTACK_H

#ifndef QT_H
#include "qvaluelist.h"
#endif // QT_H


template<class T>
class QValueStack : public QValueList<T>
{
public:
    QValueStack() {}
   ~QValueStack() {}
    void  push( const T& d ) { this->append(d); }
    T pop()
    {
        T elem( this->last() );
        if ( !this->isEmpty() )
            this->remove( this->fromLast() );
        return elem;
    }
    T& top() { return this->last(); }
    const T& top() const { return this->last(); }
};

#endif