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**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
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** GNU Lesser General Public License Usage
** 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
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** GNU General Public License Usage
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****************************************************************************/
#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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