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qcache.h


This is the verbatim text of the qcache.h include file. It is is provided only for illustration; the copyright remains with Troll Tech.
/****************************************************************************
** $Id: qcache.h,v 2.3.2.2 1998/08/27 08:14:00 hanord Exp $
**
** Definition of QCache template/macro class
**
** Created : 950209
**
** Copyright (C) 1992-1998 Troll Tech AS.  All rights reserved.
**
** This file is part of Qt Free Edition, version 1.42.
**
** See the file LICENSE included in the distribution for the usage
** and distribution terms, or http://www.troll.no/free-license.html.
**
** IMPORTANT NOTE: You may NOT copy this file or any part of it into
** your own programs or libraries.
**
** Please see http://www.troll.no/pricing.html for information about 
** Qt Professional Edition, which is this same library but with a
** license which allows creation of commercial/proprietary software.
**
*****************************************************************************/

#ifndef QCACHE_H
#define QCACHE_H

#ifndef QT_H
#include "qgcache.h"
#endif // QT_H


#if defined(USE_MACROCLASS)

#include "qgeneric.h"

#if !defined(name2)
#define name2(a,b)    name2_xx(a,b)
#define name2_xx(a,b) a##b
#endif

#if defined(DEFAULT_MACROCLASS)
#define QCachedeclare QCacheMdeclare
#define QCache QCacheM
#endif
#define QCacheM(type) name2(QCacheM_,type)

#define QCacheMdeclare(type)                                                  \
class Q_EXPORTM QCacheM(type) : public QGCache                                \
{                                                                             \
public:                                                                       \
    QCacheM(type)( const QCacheM(type) &c ) : QGCache(c) {}                   \
    QCacheM(type)( int maxCost=100, int size=17, bool cs=TRUE,bool ck=TRUE )  \
        : QGCache( maxCost, size, cs, ck, FALSE ) {}                          \
   ~QCacheM(type)()                   { clear(); }                            \
    QCacheM(type) &operator=( const QCacheM(type) &c )                        \
                        { return (QCacheM(type)&)QGCache::operator=(c); }     \
    int   maxCost()   const           { return QGCache::maxCost(); }          \
    int   totalCost() const           { return QGCache::totalCost(); }        \
    void  setMaxCost( int m )         { QGCache::setMaxCost(m); }             \
    uint  count()     const           { return QGCache::count(); }            \
    uint  size()      const           { return QGCache::size(); }             \
    bool  isEmpty() const             { return QGCache::count() == 0; }       \
    bool  insert( const char *k, const type *d, int c=1, int p=0 )            \
                                      { return QGCache::insert(k,(GCI)d,c,p);}\
    bool  remove( const char *k )     { return QGCache::remove(k); }          \
    type *take( const char *k )       { return (type *)QGCache::take(k); }    \
    void  clear()                     { QGCache::clear(); }                   \
    type *find( const char *k, bool ref=TRUE ) const                          \
                                       { return (type *)QGCache::find(k,ref);}\
    type *operator[]( const char *k ) const                                   \
                                      { return (type *)QGCache::find(k); }    \
    void  statistics() const          { QGCache::statistics(); }              \
private:                                                                      \
    void  deleteItem( GCI d )         { if ( del_item ) delete (type *)d; }   \
}


#if defined(DEFAULT_MACROCLASS)
#define QCacheIteratordeclare QCacheIteratorMdeclare
#define QCacheIterator QCacheIteratorM
#endif
#define QCacheIteratorM(type) name2(QCacheIteratorM_,type)

#define QCacheIteratorMdeclare(type)                                          \
class Q_EXPORTM QCacheIteratorM(type) : public QGCacheIterator                \
{                                                                             \
public:                                                                       \
    QCacheIteratorM(type)( const QCacheM(type) &c )                           \
                              : QGCacheIterator( (QGCache &)c ) {}            \
    QCacheIteratorM(type)( const QCacheIteratorM(type) &ci )                  \
                              : QGCacheIterator( (QGCacheIterator &)ci ) {}   \
    QCacheIteratorM(type) &operator=(const QCacheIteratorM(type)&ci)          \
        { return (QCacheIteratorM(type)&)QGCacheIterator::operator=( ci ); }  \
    uint  count()   const    { return QGCacheIterator::count(); }             \
    bool  isEmpty() const    { return QGCacheIterator::count() == 0; }        \
    bool  atFirst() const    { return QGCacheIterator::atFirst(); }           \
    bool  atLast()  const    { return QGCacheIterator::atLast(); }            \
    type *toFirst()          { return (type *)QGCacheIterator::toFirst(); }   \
    type *toLast()           { return (type *)QGCacheIterator::toLast(); }    \
    operator type *() const  { return (type *)QGCacheIterator::get(); }       \
    type *current()   const  { return (type *)QGCacheIterator::get(); }       \
    const char *currentKey() const                                            \
                             { return QGCacheIterator::getKey();}             \
    type *operator()()       { return (type *)QGCacheIterator::operator()();} \
    type *operator++()       { return (type *)QGCacheIterator::operator++();} \
    type *operator+=(uint j) { return (type *)QGCacheIterator::operator+=(j);}\
    type *operator--()       { return (type *)QGCacheIterator::operator--();} \
    type *operator-=(uint j) { return (type *)QGCacheIterator::operator-=(j);}\
}

#endif // USE_MACROCLASS


#if defined(USE_TEMPLATECLASS)

#if defined(DEFAULT_TEMPLATECLASS)
#undef  QCache
#define QCache QCacheT
#endif

template<class type> class Q_EXPORT QCacheT : public QGCache
{
public:
    QCacheT( const QCacheT<type> &c ) : QGCache(c) {}
    QCacheT( int maxCost=100, int size=17, bool cs=TRUE, bool ck=TRUE )
        : QGCache( maxCost, size, cs, ck, FALSE ) {}
   ~QCacheT()                         { clear(); }
    QCacheT<type> &operator=( const QCacheT<type> &c )
                        { return (QCacheT<type>&)QGCache::operator=(c); }
    int   maxCost()   const           { return QGCache::maxCost(); }
    int   totalCost() const           { return QGCache::totalCost(); }
    void  setMaxCost( int m )         { QGCache::setMaxCost(m); }
    uint  count()     const           { return QGCache::count(); }
    uint  size()      const           { return QGCache::size(); }
    bool  isEmpty()   const           { return QGCache::count() == 0; }
    bool  insert( const char *k, const type *d, int c=1, int p=0 )
                                      { return QGCache::insert(k,(GCI)d,c,p);}
    bool  remove( const char *k )     { return QGCache::remove(k); }
    type *take( const char *k )       { return (type *)QGCache::take(k); }
    void  clear()                     { QGCache::clear(); }
    type *find( const char *k, bool ref=TRUE ) const
                                       { return (type *)QGCache::find(k,ref);}
    type *operator[]( const char *k ) const
                                      { return (type *)QGCache::find(k);}
    void  statistics() const          { QGCache::statistics(); }
private:
    void  deleteItem( GCI d )         { if ( del_item ) delete (type *)d; }
};


#if defined(DEFAULT_TEMPLATECLASS)
#undef  QCacheIterator
#define QCacheIterator QCacheIteratorT
#endif

template<class type> class Q_EXPORT QCacheIteratorT : public QGCacheIterator
{
public:
    QCacheIteratorT( const QCacheT<type> &c ):QGCacheIterator((QGCache &)c) {}
    QCacheIteratorT( const QCacheIteratorT<type> &ci)
                                : QGCacheIterator( (QGCacheIterator &)ci ) {}
    QCacheIteratorT<type> &operator=(const QCacheIteratorT<type>&ci)
        { return ( QCacheIteratorT<type>&)QGCacheIterator::operator=( ci ); }
    uint  count()   const     { return QGCacheIterator::count(); }
    bool  isEmpty() const     { return QGCacheIterator::count() == 0; }
    bool  atFirst() const     { return QGCacheIterator::atFirst(); }
    bool  atLast()  const     { return QGCacheIterator::atLast(); }
    type *toFirst()           { return (type *)QGCacheIterator::toFirst(); }
    type *toLast()            { return (type *)QGCacheIterator::toLast(); }
    operator type *() const   { return (type *)QGCacheIterator::get(); }
    type *current()   const   { return (type *)QGCacheIterator::get(); }
    const char *currentKey() const
                              { return QGCacheIterator::getKey();}
    type *operator()()        { return (type *)QGCacheIterator::operator()();}
    type *operator++()        { return (type *)QGCacheIterator::operator++(); }
    type *operator+=(uint j)  { return (type *)QGCacheIterator::operator+=(j);}
    type *operator--()        { return (type *)QGCacheIterator::operator--(); }
    type *operator-=(uint j)  { return (type *)QGCacheIterator::operator-=(j);}
};

#endif // USE_TEMPLATECLASS


#endif // QCACHE_H


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Qt version 1.42