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Diffstat (limited to 'src/qt3support/tools/q3cache.h')
| -rw-r--r-- | src/qt3support/tools/q3cache.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/qt3support/tools/q3cache.h b/src/qt3support/tools/q3cache.h new file mode 100644 index 0000000..64f67c4 --- /dev/null +++ b/src/qt3support/tools/q3cache.h @@ -0,0 +1,130 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the Qt3Support module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |