| -rw-r--r-- | qmake/include/qgcache.h | 128 |
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diff --git a/qmake/include/qgcache.h b/qmake/include/qgcache.h new file mode 100644 index 0000000..093f7a7 --- a/dev/null +++ b/qmake/include/qgcache.h @@ -0,0 +1,128 @@ +/**************************************************************************** +** $Id$ +** +** Definition of QGCache and QGCacheIterator classes +** +** Created : 950208 +** +** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** +** This file is part of the tools module of the Qt GUI Toolkit. +** +** This file may be distributed under the terms of the Q Public License +** as defined by Trolltech AS of Norway and appearing in the file +** LICENSE.QPL included in the packaging of this file. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition +** licenses may use this file in accordance with the Qt Commercial License +** Agreement provided with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** See http://www.trolltech.com/qpl/ for QPL licensing information. +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#ifndef QGCACHE_H +#define QGCACHE_H + +#ifndef QT_H +#include "qptrcollection.h" +#include "qglist.h" +#include "qgdict.h" +#endif // QT_H + + +class QCList; // internal classes +class QCListIt; +class QCDict; + + +class Q_EXPORT QGCache : public QPtrCollection // generic LRU cache +{ +friend class QGCacheIterator; +protected: + enum KeyType { StringKey, AsciiKey, IntKey, PtrKey }; + // identical to QGDict's, but PtrKey is not used at the moment + + QGCache( int maxCost, uint size, KeyType kt, bool caseSensitive, + bool copyKeys ); + QGCache( const QGCache & ); // not allowed, calls fatal() + ~QGCache(); + QGCache &operator=( const QGCache & ); // not allowed, calls fatal() + + uint count() const; + uint size() const; + int maxCost() const { return mCost; } + int totalCost() const { return tCost; } + void setMaxCost( int maxCost ); + void clear(); + + bool insert_string( const QString &key, QPtrCollection::Item, + int cost, int priority ); + bool insert_other( const char *key, QPtrCollection::Item, + int cost, int priority ); + bool remove_string( const QString &key ); + bool remove_other( const char *key ); + QPtrCollection::Item take_string( const QString &key ); + QPtrCollection::Item take_other( const char *key ); + + QPtrCollection::Item find_string( const QString &key, bool ref=TRUE ) const; + QPtrCollection::Item find_other( const char *key, bool ref=TRUE ) const; + + void statistics() const; + +private: + bool makeRoomFor( int cost, int priority = -1 ); + KeyType keytype; + QCList *lruList; + QCDict *dict; + int mCost; + int tCost; + bool copyk; +}; + + +class Q_EXPORT QGCacheIterator // generic cache iterator +{ +protected: + QGCacheIterator( const QGCache & ); + QGCacheIterator( const QGCacheIterator & ); + ~QGCacheIterator(); + QGCacheIterator &operator=( const QGCacheIterator & ); + + uint count() const; + bool atFirst() const; + bool atLast() const; + QPtrCollection::Item toFirst(); + QPtrCollection::Item toLast(); + + QPtrCollection::Item get() const; + QString getKeyString() const; + const char *getKeyAscii() const; + long getKeyInt() const; + + QPtrCollection::Item operator()(); + QPtrCollection::Item operator++(); + QPtrCollection::Item operator+=( uint ); + QPtrCollection::Item operator--(); + QPtrCollection::Item operator-=( uint ); + +protected: + QCListIt *it; // iterator on cache list +}; + + +#endif // QGCACHE_H |