src/qt3support/tools/q3intcache.h
author Alex Gilkes <alex.gilkes@nokia.com>
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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt3Support module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef Q3INTCACHE_H
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#define Q3INTCACHE_H
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#include <Qt3Support/q3gcache.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Qt3SupportLight)
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template<class type>
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class Q3IntCache
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#ifdef qdoc
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	: public Q3PtrCollection
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#else
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	: public Q3GCache
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#endif
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{
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public:
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    Q3IntCache( const Q3IntCache<type> &c ) : Q3GCache(c) {}
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    Q3IntCache( int maxCost=100, int size=17 )
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	: Q3GCache( maxCost, size, IntKey, false, false ) {}
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   ~Q3IntCache()		{ clear(); }
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    Q3IntCache<type> &operator=( const Q3IntCache<type> &c )
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			{ return (Q3IntCache<type>&)Q3GCache::operator=(c); }
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    int	  maxCost()   const	{ return Q3GCache::maxCost(); }
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    int	  totalCost() const	{ return Q3GCache::totalCost(); }
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    void  setMaxCost( int m)	{ Q3GCache::setMaxCost(m); }
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    uint  count()     const	{ return Q3GCache::count(); }
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    uint  size()      const	{ return Q3GCache::size(); }
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    bool  isEmpty()   const	{ return Q3GCache::count() == 0; }
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    bool  insert( long k, const type *d, int c=1, int p=0 )
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		{ return Q3GCache::insert_other((const char*)k,(Item)d,c,p); }
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    bool  remove( long k )
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		{ return Q3GCache::remove_other((const char*)k); }
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    type *take( long k )
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		{ return (type *)Q3GCache::take_other((const char*)k);}
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    void  clear()		{ Q3GCache::clear(); }
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    type *find( long k, bool ref=true ) const
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		{ return (type *)Q3GCache::find_other( (const char*)k,ref);}
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    type *operator[]( long k ) const
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		{ return (type *)Q3GCache::find_other( (const char*)k); }
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    void  statistics() const { Q3GCache::statistics(); }
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private:
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	void  deleteItem( Item d );
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};
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#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
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template<> inline void Q3IntCache<void>::deleteItem( Q3PtrCollection::Item )
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{
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}
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#endif
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template<class type> inline void Q3IntCache<type>::deleteItem( Q3PtrCollection::Item d )
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{
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    if ( del_item ) delete (type *)d;
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}
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template<class type>
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class Q3IntCacheIterator : public Q3GCacheIterator
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{
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public:
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    Q3IntCacheIterator( const Q3IntCache<type> &c )
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	: Q3GCacheIterator( (Q3GCache &)c ) {}
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    Q3IntCacheIterator( const Q3IntCacheIterator<type> &ci )
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			      : Q3GCacheIterator((Q3GCacheIterator &)ci) {}
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    Q3IntCacheIterator<type> &operator=( const Q3IntCacheIterator<type>&ci )
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	{ return ( Q3IntCacheIterator<type>&)Q3GCacheIterator::operator=( ci );}
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    uint  count()   const     { return Q3GCacheIterator::count(); }
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    bool  isEmpty() const     { return Q3GCacheIterator::count() == 0; }
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    bool  atFirst() const     { return Q3GCacheIterator::atFirst(); }
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    bool  atLast()  const     { return Q3GCacheIterator::atLast(); }
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    type *toFirst()	      { return (type *)Q3GCacheIterator::toFirst(); }
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    type *toLast()	      { return (type *)Q3GCacheIterator::toLast(); }
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    operator type *()  const  { return (type *)Q3GCacheIterator::get(); }
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    type *current()    const  { return (type *)Q3GCacheIterator::get(); }
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    long  currentKey() const  { return (long)Q3GCacheIterator::getKeyInt();}
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    type *operator()()	      { return (type *)Q3GCacheIterator::operator()();}
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    type *operator++()	      { return (type *)Q3GCacheIterator::operator++(); }
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    type *operator+=(uint j)  { return (type *)Q3GCacheIterator::operator+=(j);}
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    type *operator--()	      { return (type *)Q3GCacheIterator::operator--(); }
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    type *operator-=(uint j)  { return (type *)Q3GCacheIterator::operator-=(j);}
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // Q3INTCACHE_H