doc/html/qcache-h.html


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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qcache.h</h1>

<p>This is the verbatim text of the qcache.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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/****************************************************************************
** $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.
**
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** 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
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**********************************************************************/

#ifndef QCACHE_H
#define QCACHE_H

#ifndef QT_H
#include "qgcache.h"
#endif // QT_H

template&lt;class type&gt;
class QCache
#ifdef Q_QDOC
	: public QPtrCollection
#else
	: public QGCache
#endif
{
public:
    QCache( const QCache&lt;type&gt; &amp;c ) : QGCache(c) {}
    QCache( int maxCost=100, int size=17, bool caseSensitive=TRUE )
	: QGCache( maxCost, size, StringKey, caseSensitive, FALSE ) {}
   ~QCache()				{ clear(); }
    QCache&lt;type&gt; &amp;operator=( const QCache&lt;type&gt; &amp;c )
			{ return (QCache&lt;type&gt;&amp;)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 &amp;k, const type *d, int c=1, int p=0 )
			{ return QGCache::insert_string(k,(Item)d,c,p);}
    bool  remove( const QString &amp;k )
			{ return QGCache::remove_string(k); }
    type *take( const QString &amp;k )
			{ return (type *)QGCache::take_string(k); }
    type *find( const QString &amp;k, bool ref=TRUE ) const
			{ return (type *)QGCache::find_string(k,ref);}
    type *operator[]( const QString &amp;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&lt;&gt; inline void QCache&lt;void&gt;::deleteItem( QPtrCollection::Item )
{
}
#endif

template&lt;class type&gt; inline void QCache&lt;type&gt;::deleteItem( QPtrCollection::Item d )
{
    if ( del_item ) delete (type *)d;
}

template&lt;class type&gt;
class QCacheIterator : public QGCacheIterator
{
public:
    QCacheIterator( const QCache&lt;type&gt; &amp;c ):QGCacheIterator((QGCache &amp;)c) {}
    QCacheIterator( const QCacheIterator&lt;type&gt; &amp;ci)
				: QGCacheIterator( (QGCacheIterator &amp;)ci ) {}
    QCacheIterator&lt;type&gt; &amp;operator=(const QCacheIterator&lt;type&gt;&amp;ci)
	{ return ( QCacheIterator&lt;type&gt;&amp;)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>
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