qstack.h

/****************************************************************************
** $Id: qstack.h,v 2.7 1999/04/28 09:59:20 aavit Exp $
**
** Definition of QStack template/macro class
**
** Created : 920917
**
** Copyright (C) 1992-1999 Troll Tech AS.  All rights reserved.
**
** This file is part of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Troll Tech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** Licensees holding valid Qt Professional Edition licenses may use this
** file in accordance with the Qt Professional Edition License Agreement
** provided with the Qt Professional Edition.
**
** See http://www.troll.no/pricing.html or email sales@troll.no for
** information about the Professional Edition licensing, or see
** http://www.troll.no/qpl/ for QPL licensing information.
**
*****************************************************************************/

#ifndef QSTACK_H
#define QSTACK_H

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


template<class type> class QStack : private QGList
{
public:
    QStack()                            {}
    QStack( const QStack<type> &s ) : QGList(s) {}
   ~QStack()                            { clear(); }
    QStack<type> &operator=(const QStack<type> &s)
                        { return (QStack<type>&)QGList::operator=(s); }
    bool  autoDelete() const            { return QCollection::autoDelete(); }
    void  setAutoDelete( bool del )     { QCollection::setAutoDelete(del); }
    uint  count()   const               { return QGList::count(); }
    bool  isEmpty() const               { return QGList::count() == 0; }
    void  push( const type *d )         { QGList::insertAt(0,Item(d)); }
    type *pop()                         { return (type *)QGList::takeFirst(); }
    bool  remove()                      { return QGList::removeFirst(); }
    void  clear()                       { QGList::clear(); }
    type *top()     const               { return (type *)QGList::cfirst(); }
          operator type *() const       { return (type *)QGList::cfirst(); }
    type *current() const               { return (type *)QGList::cfirst(); }
private:
    void  deleteItem( Item d ) { if ( del_item ) delete (type *)d; }
};


#endif // QSTACK_H