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/****************************************************************************
**
** Definition of QPtrStack pointer based template class
**
** Created : 920917
**
** Copyright (C) 1992-2008 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 files LICENSE.GPL2
** and LICENSE.GPL3 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,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QPTRSTACK_H
#define QPTRSTACK_H
#ifndef QT_H
#include "qglist.h"
#endif // QT_H
template<class type>
class QPtrStack : protected QGList
{
public:
QPtrStack() { }
QPtrStack( const QPtrStack<type> &s ) : QGList( s ) { }
~QPtrStack() { clear(); }
QPtrStack<type> &operator=(const QPtrStack<type> &s)
{ return (QPtrStack<type>&)QGList::operator=(s); }
bool autoDelete() const { return QPtrCollection::autoDelete(); }
void setAutoDelete( bool del ) { QPtrCollection::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(); }
#ifdef Q_QDOC
protected:
virtual QDataStream& read( QDataStream&, QPtrCollection::Item& );
virtual QDataStream& write( QDataStream&, QPtrCollection::Item ) const;
#endif
private:
void deleteItem( Item d );
};
#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
template<> inline void QPtrStack<void>::deleteItem( QPtrCollection::Item )
{
}
#endif
template<class type> inline void QPtrStack<type>::deleteItem( QPtrCollection::Item d )
{
if ( del_item ) delete (type *)d;
}
#ifndef QT_NO_COMPAT
#define QStack QPtrStack
#endif
#endif // QPTRSTACK_H
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