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/****************************************************************************
** $Id$
**
** Definition of QCache template class
**
** Created : 950209
**
** 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 QCACHE_H
#define QCACHE_H
#ifndef QT_H
#include "qgcache.h"
#endif // QT_H
template<class type>
class QCache
#ifdef Q_QDOC
: public QPtrCollection
#else
: public QGCache
#endif
{
public:
QCache( const QCache<type> &c ) : QGCache(c) {}
QCache( int maxCost=100, int size=17, bool caseSensitive=TRUE )
: QGCache( maxCost, size, StringKey, caseSensitive, FALSE ) {}
~QCache() { clear(); }
QCache<type> &operator=( const QCache<type> &c )
{ return (QCache<type>&)QGCache::operator=(c); }
int maxCost() const { return QGCache::maxCost(); }
int totalCost() const { return QGCache::totalCost(); }
void setMaxCost( int m ) { QGCache::setMaxCost(m); }
uint count() const { return QGCache::count(); }
uint size() const { return QGCache::size(); }
bool isEmpty() const { return QGCache::count() == 0; }
void clear() { QGCache::clear(); }
bool insert( const QString &k, const type *d, int c=1, int p=0 )
{ return QGCache::insert_string(k,(Item)d,c,p);}
bool remove( const QString &k )
{ return QGCache::remove_string(k); }
type *take( const QString &k )
{ return (type *)QGCache::take_string(k); }
type *find( const QString &k, bool ref=TRUE ) const
{ return (type *)QGCache::find_string(k,ref);}
type *operator[]( const QString &k ) const
{ return (type *)QGCache::find_string(k);}
void statistics() const { QGCache::statistics(); }
private:
void deleteItem( Item d );
};
#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
template<> inline void QCache<void>::deleteItem( QPtrCollection::Item )
{
}
#endif
template<class type> inline void QCache<type>::deleteItem( QPtrCollection::Item d )
{
if ( del_item ) delete (type *)d;
}
template<class type>
class QCacheIterator : public QGCacheIterator
{
public:
QCacheIterator( const QCache<type> &c ):QGCacheIterator((QGCache &)c) {}
QCacheIterator( const QCacheIterator<type> &ci)
: QGCacheIterator( (QGCacheIterator &)ci ) {}
QCacheIterator<type> &operator=(const QCacheIterator<type>&ci)
{ return ( QCacheIterator<type>&)QGCacheIterator::operator=( ci ); }
uint count() const { return QGCacheIterator::count(); }
bool isEmpty() const { return QGCacheIterator::count() == 0; }
bool atFirst() const { return QGCacheIterator::atFirst(); }
bool atLast() const { return QGCacheIterator::atLast(); }
type *toFirst() { return (type *)QGCacheIterator::toFirst(); }
type *toLast() { return (type *)QGCacheIterator::toLast(); }
operator type *() const { return (type *)QGCacheIterator::get(); }
type *current() const { return (type *)QGCacheIterator::get(); }
QString currentKey() const{ return QGCacheIterator::getKeyString(); }
type *operator()() { return (type *)QGCacheIterator::operator()();}
type *operator++() { return (type *)QGCacheIterator::operator++(); }
type *operator+=(uint j) { return (type *)QGCacheIterator::operator+=(j);}
type *operator--() { return (type *)QGCacheIterator::operator--(); }
type *operator-=(uint j) { return (type *)QGCacheIterator::operator-=(j);}
};
#endif // QCACHE_H
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