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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 Q_EXPORT 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 Q_EXPORT 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
-