qvaluestack.h 1.97 KB
Newer Older
dimitri's avatar
dimitri committed
1
/****************************************************************************
dimitri's avatar
dimitri committed
2
** 
dimitri's avatar
dimitri committed
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
**
** Definition of QValueStack class
**
** Created : 990925
**
** Copyright (C) 1992-2000 Trolltech AS.  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 AS 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.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef QVALUESTACK_H
#define QVALUESTACK_H

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


template<class T>
class Q_EXPORT QValueStack : public QValueList<T>
{
public:
    QValueStack() {}
   ~QValueStack() {}
dimitri's avatar
dimitri committed
52
    void  push( const T& d ) { QValueList<T>::append(d); }
dimitri's avatar
dimitri committed
53 54 55 56
    T pop()
    {
	T elem( this->last() );
	if ( !this->isEmpty() )
dimitri's avatar
dimitri committed
57
	    this->remove( this->fromLast() );
dimitri's avatar
dimitri committed
58 59 60 61 62 63 64
	return elem;
    }
    T& top() { return this->last(); }
    const T& top() const { return this->last(); }
};

#endif