1 /****************************************************************************

     2 ** 

     3 **

     4 ** Definition of QValueStack class

     5 **

     6 ** Created : 990925

     7 **

     8 ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.

     9 **

    10 ** This file is part of the tools module of the Qt GUI Toolkit.

    11 **

    12 ** This file may be distributed under the terms of the Q Public License

    13 ** as defined by Trolltech AS of Norway and appearing in the file

    14 ** LICENSE.QPL included in the packaging of this file.

    15 **

    16 ** This file may be distributed and/or modified under the terms of the

    17 ** GNU General Public License version 2 as published by the Free Software

    18 ** Foundation and appearing in the file LICENSE.GPL included in the

    19 ** packaging of this file.

    20 **

    21 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition

    22 ** licenses may use this file in accordance with the Qt Commercial License

    23 ** Agreement provided with the Software.

    24 **

    25 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE

    26 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

    27 **

    28 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for

    29 **   information about Qt Commercial License Agreements.

    30 ** See http://www.trolltech.com/qpl/ for QPL licensing information.

    31 ** See http://www.trolltech.com/gpl/ for GPL licensing information.

    32 **

    33 ** Contact info@trolltech.com if any conditions of this licensing are

    34 ** not clear to you.

    35 **

    36 **********************************************************************/

    37 

    38 #ifndef QVALUESTACK_H

    39 #define QVALUESTACK_H

    40 

    41 #ifndef QT_H

    42 #include "qvaluelist.h"

    43 #endif // QT_H

    44 

    45 

    46 template<class T>

    47 class Q_EXPORT QValueStack : public QValueList<T>

    48 {

    49 public:

    50     QValueStack() {}

    51    ~QValueStack() {}

    52     void  push( const T& d ) { append(d); }

    53     T pop()

    54     {

    55 	T elem( this->last() );

    56 	if ( !this->isEmpty() )

    57 	    this->remove( this->fromLast() );

    58 	return elem;

    59     }

    60     T& top() { return this->last(); }

    61     const T& top() const { return this->last(); }

    62 };

    63 

    64 #endif