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****************************************************************************/

#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