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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qcache.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qcache.h</h1><br clear="all">This is the verbatim text of the qcache.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/tools/qcache.h 2.3.8 edited 2004-05-12 $**** 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_Htemplate<class type> class Q_EXPORT QCache : public QGCache{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_DELETING_VOID_UNDEFINED)template<> inline void QCache<void>::deleteItem( Item ){}#endiftemplate<class type> inline void QCache<type>::deleteItem( QCollection::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</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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