/****************************************************************************+
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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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+
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#ifndef Q3CACHE_H+
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#define Q3CACHE_H+
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+
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#include <Qt3Support/q3gcache.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Qt3SupportLight)+
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+
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template<class type>+
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class Q3Cache+
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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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    Q3Cache(const Q3Cache<type> &c) : Q3GCache(c) {}+
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    Q3Cache(int maxCost=100, int size=17, bool caseSensitive=true)+
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        : Q3GCache(maxCost, size, StringKey, caseSensitive, false) {}+
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   ~Q3Cache()                           { clear(); }+
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    Q3Cache<type> &operator=(const Q3Cache<type> &c)+
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                        { return (Q3Cache<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 QString &k, const type *d, int c=1, int p=0)+
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                        { return Q3GCache::insert_string(k,(Item)d,c,p);}+
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    bool  remove(const QString &k)+
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                        { return Q3GCache::remove_string(k); }+
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    type *take(const QString &k)+
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                        { return (type *)Q3GCache::take_string(k); }+
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    type *find(const QString &k, bool ref=true) const+
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                        { return (type *)Q3GCache::find_string(k,ref);}+
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    type *operator[](const QString &k) const+
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                        { return (type *)Q3GCache::find_string(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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+
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#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)+
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template<> inline void Q3Cache<void>::deleteItem(Q3PtrCollection::Item)+
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{+
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}+
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#endif+
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+
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template<class type> inline void Q3Cache<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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+
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template<class type>+
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class Q3CacheIterator : public Q3GCacheIterator+
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{+
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public:+
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    Q3CacheIterator(const Q3Cache<type> &c):Q3GCacheIterator((Q3GCache &)c) {}+
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    Q3CacheIterator(const Q3CacheIterator<type> &ci)+
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                                : Q3GCacheIterator((Q3GCacheIterator &)ci) {}+
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    Q3CacheIterator<type> &operator=(const Q3CacheIterator<type>&ci)+
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        { return (Q3CacheIterator<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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    QString currentKey() const{ return Q3GCacheIterator::getKeyString(); }+
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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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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // Q3CACHE_H+
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