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OS/2 Shareware BBS: 10 Tools
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qt3_emx.zip
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qptrstack.h
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/****************************************************************************
** $Id$
**
** Definition of QPtrStack pointer based template class
**
** Created : 920917
**
** 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 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