src/qt3support/tools/q3asciicache.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:40:16 +0200
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/****************************************************************************
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**
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** Copyright (C) 2010 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 Q3ASCIICACHE_H
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#define Q3ASCIICACHE_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 Q3AsciiCache
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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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    Q3AsciiCache(const Q3AsciiCache<type> &c) : Q3GCache(c) {}
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    Q3AsciiCache(int maxCost=100, int size=17, bool caseSensitive=true,
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		 bool copyKeys=true)
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	: Q3GCache(maxCost, size, AsciiKey, caseSensitive, copyKeys) {}
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   ~Q3AsciiCache()			{ clear(); }
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    Q3AsciiCache<type> &operator=(const Q3AsciiCache<type> &c)
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			{ return (Q3AsciiCache<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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    void  clear()			{ Q3GCache::clear(); }
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    bool  insert(const char *k, const type *d, int c=1, int p=0)
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			{ return Q3GCache::insert_other(k,(Item)d,c,p);}
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    bool  remove(const char *k)
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			{ return Q3GCache::remove_other(k); }
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    type *take(const char *k)
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			{ return (type *)Q3GCache::take_other(k); }
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    type *find(const char *k, bool ref=true) const
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			{ return (type *)Q3GCache::find_other(k,ref);}
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    type *operator[](const char *k) const
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			{ return (type *)Q3GCache::find_other(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 Q3AsciiCache<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 Q3AsciiCache<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 Q3AsciiCacheIterator : public Q3GCacheIterator
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{
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public:
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    Q3AsciiCacheIterator(const Q3AsciiCache<type> &c):Q3GCacheIterator((Q3GCache &)c) {}
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    Q3AsciiCacheIterator(const Q3AsciiCacheIterator<type> &ci)
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				: Q3GCacheIterator((Q3GCacheIterator &)ci) {}
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    Q3AsciiCacheIterator<type> &operator=(const Q3AsciiCacheIterator<type>&ci)
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	{ return (Q3AsciiCacheIterator<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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    const char *currentKey() const { return Q3GCacheIterator::getKeyAscii(); }
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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 // Q3ASCIICACHE_H