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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qcache.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of QCache template class +** +** Created : 950209 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the tools module of the Qt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Alternatively you may (at your option) use any +** later version of the GNU General Public License if such license has +** been publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free Qt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#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 +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |