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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3PTRQUEUE_H
#define Q3PTRQUEUE_H
#include <Qt3Support/q3glist.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3SupportLight)
template<class type>
class Q3PtrQueue : protected Q3GList
{
public:
Q3PtrQueue() {}
Q3PtrQueue( const Q3PtrQueue<type> &q ) : Q3GList(q) {}
~Q3PtrQueue() { clear(); }
Q3PtrQueue<type>& operator=(const Q3PtrQueue<type> &q)
{ return (Q3PtrQueue<type>&)Q3GList::operator=(q); }
bool autoDelete() const { return Q3PtrCollection::autoDelete(); }
void setAutoDelete( bool del ) { Q3PtrCollection::setAutoDelete(del); }
uint count() const { return Q3GList::count(); }
bool isEmpty() const { return Q3GList::count() == 0; }
void enqueue( const type *d ) { Q3GList::append(Item(d)); }
type *dequeue() { return (type *)Q3GList::takeFirst();}
bool remove() { return Q3GList::removeFirst(); }
void clear() { Q3GList::clear(); }
type *head() const { return (type *)Q3GList::cfirst(); }
operator type *() const { return (type *)Q3GList::cfirst(); }
type *current() const { return (type *)Q3GList::cfirst(); }
#ifdef qdoc
protected:
virtual QDataStream& read( QDataStream&, Q3PtrCollection::Item& );
virtual QDataStream& write( QDataStream&, Q3PtrCollection::Item ) const;
#endif
private:
void deleteItem( Item d );
};
#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
template<> inline void Q3PtrQueue<void>::deleteItem( Q3PtrCollection::Item )
{
}
#endif
template<class type> inline void Q3PtrQueue<type>::deleteItem( Q3PtrCollection::Item d )
{
if ( del_item ) delete (type *)d;
}
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q3PTRQUEUE_H
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