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tqtinterface/qtinterface/qt4/Qt/q3intcache.h

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3INTCACHE_H
#define Q3INTCACHE_H
#include <Qt3Support/q3gcache.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3SupportLight)
template<class type>
class Q3IntCache
#ifdef qdoc
: public Q3PtrCollection
#else
: public Q3GCache
#endif
{
public:
Q3IntCache( const Q3IntCache<type> &c ) : Q3GCache(c) {}
Q3IntCache( int maxCost=100, int size=17 )
: Q3GCache( maxCost, size, IntKey, false, false ) {}
~Q3IntCache() { clear(); }
Q3IntCache<type> &operator=( const Q3IntCache<type> &c )
{ return (Q3IntCache<type>&)Q3GCache::operator=(c); }
int maxCost() const { return Q3GCache::maxCost(); }
int totalCost() const { return Q3GCache::totalCost(); }
void setMaxCost( int m) { Q3GCache::setMaxCost(m); }
uint count() const { return Q3GCache::count(); }
uint size() const { return Q3GCache::size(); }
bool isEmpty() const { return Q3GCache::count() == 0; }
bool insert( long k, const type *d, int c=1, int p=0 )
{ return Q3GCache::insert_other((const char*)k,(Item)d,c,p); }
bool remove( long k )
{ return Q3GCache::remove_other((const char*)k); }
type *take( long k )
{ return (type *)Q3GCache::take_other((const char*)k);}
void clear() { Q3GCache::clear(); }
type *find( long k, bool ref=true ) const
{ return (type *)Q3GCache::find_other( (const char*)k,ref);}
type *operator[]( long k ) const
{ return (type *)Q3GCache::find_other( (const char*)k); }
void statistics() const { Q3GCache::statistics(); }
private:
void deleteItem( Item d );
};
#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
template<> inline void Q3IntCache<void>::deleteItem( Q3PtrCollection::Item )
{
}
#endif
template<class type> inline void Q3IntCache<type>::deleteItem( Q3PtrCollection::Item d )
{
if ( del_item ) delete (type *)d;
}
template<class type>
class Q3IntCacheIterator : public Q3GCacheIterator
{
public:
Q3IntCacheIterator( const Q3IntCache<type> &c )
: Q3GCacheIterator( (Q3GCache &)c ) {}
Q3IntCacheIterator( const Q3IntCacheIterator<type> &ci )
: Q3GCacheIterator((Q3GCacheIterator &)ci) {}
Q3IntCacheIterator<type> &operator=( const Q3IntCacheIterator<type>&ci )
{ return ( Q3IntCacheIterator<type>&)Q3GCacheIterator::operator=( ci );}
uint count() const { return Q3GCacheIterator::count(); }
bool isEmpty() const { return Q3GCacheIterator::count() == 0; }
bool atFirst() const { return Q3GCacheIterator::atFirst(); }
bool atLast() const { return Q3GCacheIterator::atLast(); }
type *toFirst() { return (type *)Q3GCacheIterator::toFirst(); }
type *toLast() { return (type *)Q3GCacheIterator::toLast(); }
operator type *() const { return (type *)Q3GCacheIterator::get(); }
type *current() const { return (type *)Q3GCacheIterator::get(); }
long currentKey() const { return (long)Q3GCacheIterator::getKeyInt();}
type *operator()() { return (type *)Q3GCacheIterator::operator()();}
type *operator++() { return (type *)Q3GCacheIterator::operator++(); }
type *operator+=(uint j) { return (type *)Q3GCacheIterator::operator+=(j);}
type *operator--() { return (type *)Q3GCacheIterator::operator--(); }
type *operator-=(uint j) { return (type *)Q3GCacheIterator::operator-=(j);}
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q3INTCACHE_H