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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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 are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3CACHE_H
#define Q3CACHE_H
#include <Qt3Support/q3gcache.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3SupportLight)
template<class type>
class Q3Cache
#ifdef qdoc
: public Q3PtrCollection
#else
: public Q3GCache
#endif
{
public:
Q3Cache(const Q3Cache<type> &c) : Q3GCache(c) {}
Q3Cache(int maxCost=100, int size=17, bool caseSensitive=true)
: Q3GCache(maxCost, size, StringKey, caseSensitive, false) {}
~Q3Cache() { clear(); }
Q3Cache<type> &operator=(const Q3Cache<type> &c)
{ return (Q3Cache<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; }
void clear() { Q3GCache::clear(); }
bool insert(const QString &k, const type *d, int c=1, int p=0)
{ return Q3GCache::insert_string(k,(Item)d,c,p);}
bool remove(const QString &k)
{ return Q3GCache::remove_string(k); }
type *take(const QString &k)
{ return (type *)Q3GCache::take_string(k); }
type *find(const QString &k, bool ref=true) const
{ return (type *)Q3GCache::find_string(k,ref);}
type *operator[](const QString &k) const
{ return (type *)Q3GCache::find_string(k);}
void statistics() const { Q3GCache::statistics(); }
private:
void deleteItem(Item d);
};
#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
template<> inline void Q3Cache<void>::deleteItem(Q3PtrCollection::Item)
{
}
#endif
template<class type> inline void Q3Cache<type>::deleteItem(Q3PtrCollection::Item d)
{
if (del_item) delete (type *)d;
}
template<class type>
class Q3CacheIterator : public Q3GCacheIterator
{
public:
Q3CacheIterator(const Q3Cache<type> &c):Q3GCacheIterator((Q3GCache &)c) {}
Q3CacheIterator(const Q3CacheIterator<type> &ci)
: Q3GCacheIterator((Q3GCacheIterator &)ci) {}
Q3CacheIterator<type> &operator=(const Q3CacheIterator<type>&ci)
{ return (Q3CacheIterator<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(); }
QString currentKey() const{ return Q3GCacheIterator::getKeyString(); }
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 // Q3CACHE_H
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