source: trunk/src/qt3support/tools/q3intcache.h@ 138

Last change on this file since 138 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 5.2 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the Qt3Support module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef Q3INTCACHE_H
43#define Q3INTCACHE_H
44
45#include <Qt3Support/q3gcache.h>
46
47QT_BEGIN_HEADER
48
49QT_BEGIN_NAMESPACE
50
51QT_MODULE(Qt3SupportLight)
52
53template<class type>
54class Q3IntCache
55#ifdef qdoc
56 : public Q3PtrCollection
57#else
58 : public Q3GCache
59#endif
60{
61public:
62 Q3IntCache( const Q3IntCache<type> &c ) : Q3GCache(c) {}
63 Q3IntCache( int maxCost=100, int size=17 )
64 : Q3GCache( maxCost, size, IntKey, false, false ) {}
65 ~Q3IntCache() { clear(); }
66 Q3IntCache<type> &operator=( const Q3IntCache<type> &c )
67 { return (Q3IntCache<type>&)Q3GCache::operator=(c); }
68 int maxCost() const { return Q3GCache::maxCost(); }
69 int totalCost() const { return Q3GCache::totalCost(); }
70 void setMaxCost( int m) { Q3GCache::setMaxCost(m); }
71 uint count() const { return Q3GCache::count(); }
72 uint size() const { return Q3GCache::size(); }
73 bool isEmpty() const { return Q3GCache::count() == 0; }
74 bool insert( long k, const type *d, int c=1, int p=0 )
75 { return Q3GCache::insert_other((const char*)k,(Item)d,c,p); }
76 bool remove( long k )
77 { return Q3GCache::remove_other((const char*)k); }
78 type *take( long k )
79 { return (type *)Q3GCache::take_other((const char*)k);}
80 void clear() { Q3GCache::clear(); }
81 type *find( long k, bool ref=true ) const
82 { return (type *)Q3GCache::find_other( (const char*)k,ref);}
83 type *operator[]( long k ) const
84 { return (type *)Q3GCache::find_other( (const char*)k); }
85 void statistics() const { Q3GCache::statistics(); }
86private:
87 void deleteItem( Item d );
88};
89
90#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
91template<> inline void Q3IntCache<void>::deleteItem( Q3PtrCollection::Item )
92{
93}
94#endif
95
96template<class type> inline void Q3IntCache<type>::deleteItem( Q3PtrCollection::Item d )
97{
98 if ( del_item ) delete (type *)d;
99}
100
101template<class type>
102class Q3IntCacheIterator : public Q3GCacheIterator
103{
104public:
105 Q3IntCacheIterator( const Q3IntCache<type> &c )
106 : Q3GCacheIterator( (Q3GCache &)c ) {}
107 Q3IntCacheIterator( const Q3IntCacheIterator<type> &ci )
108 : Q3GCacheIterator((Q3GCacheIterator &)ci) {}
109 Q3IntCacheIterator<type> &operator=( const Q3IntCacheIterator<type>&ci )
110 { return ( Q3IntCacheIterator<type>&)Q3GCacheIterator::operator=( ci );}
111 uint count() const { return Q3GCacheIterator::count(); }
112 bool isEmpty() const { return Q3GCacheIterator::count() == 0; }
113 bool atFirst() const { return Q3GCacheIterator::atFirst(); }
114 bool atLast() const { return Q3GCacheIterator::atLast(); }
115 type *toFirst() { return (type *)Q3GCacheIterator::toFirst(); }
116 type *toLast() { return (type *)Q3GCacheIterator::toLast(); }
117 operator type *() const { return (type *)Q3GCacheIterator::get(); }
118 type *current() const { return (type *)Q3GCacheIterator::get(); }
119 long currentKey() const { return (long)Q3GCacheIterator::getKeyInt();}
120 type *operator()() { return (type *)Q3GCacheIterator::operator()();}
121 type *operator++() { return (type *)Q3GCacheIterator::operator++(); }
122 type *operator+=(uint j) { return (type *)Q3GCacheIterator::operator+=(j);}
123 type *operator--() { return (type *)Q3GCacheIterator::operator--(); }
124 type *operator-=(uint j) { return (type *)Q3GCacheIterator::operator-=(j);}
125};
126
127QT_END_NAMESPACE
128
129QT_END_HEADER
130
131#endif // Q3INTCACHE_H
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