qvaluestack.h Include File

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# qvaluestack.h

This is the verbatim text of the qvaluestack.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $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 used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free Qt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.QPL
    ** included in the packaging of this file.  Licensees holding valid Qt
    ** Commercial 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,
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    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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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