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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt3Support module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef Q3CACHE_H |
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43 #define Q3CACHE_H |
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44 |
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45 #include <Qt3Support/q3gcache.h> |
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46 |
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47 QT_BEGIN_HEADER |
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48 |
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49 QT_BEGIN_NAMESPACE |
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50 |
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51 QT_MODULE(Qt3SupportLight) |
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52 |
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53 template<class type> |
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54 class Q3Cache |
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55 #ifdef qdoc |
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56 : public Q3PtrCollection |
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57 #else |
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58 : public Q3GCache |
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59 #endif |
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60 { |
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61 public: |
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62 Q3Cache(const Q3Cache<type> &c) : Q3GCache(c) {} |
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63 Q3Cache(int maxCost=100, int size=17, bool caseSensitive=true) |
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64 : Q3GCache(maxCost, size, StringKey, caseSensitive, false) {} |
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65 ~Q3Cache() { clear(); } |
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66 Q3Cache<type> &operator=(const Q3Cache<type> &c) |
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67 { return (Q3Cache<type>&)Q3GCache::operator=(c); } |
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68 int maxCost() const { return Q3GCache::maxCost(); } |
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69 int totalCost() const { return Q3GCache::totalCost(); } |
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70 void setMaxCost(int m) { Q3GCache::setMaxCost(m); } |
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71 uint count() const { return Q3GCache::count(); } |
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72 uint size() const { return Q3GCache::size(); } |
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73 bool isEmpty() const { return Q3GCache::count() == 0; } |
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74 void clear() { Q3GCache::clear(); } |
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75 bool insert(const QString &k, const type *d, int c=1, int p=0) |
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76 { return Q3GCache::insert_string(k,(Item)d,c,p);} |
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77 bool remove(const QString &k) |
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78 { return Q3GCache::remove_string(k); } |
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79 type *take(const QString &k) |
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80 { return (type *)Q3GCache::take_string(k); } |
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81 type *find(const QString &k, bool ref=true) const |
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82 { return (type *)Q3GCache::find_string(k,ref);} |
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83 type *operator[](const QString &k) const |
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84 { return (type *)Q3GCache::find_string(k);} |
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85 void statistics() const { Q3GCache::statistics(); } |
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86 private: |
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87 void deleteItem(Item d); |
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88 }; |
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89 |
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90 #if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION) |
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91 template<> inline void Q3Cache<void>::deleteItem(Q3PtrCollection::Item) |
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92 { |
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93 } |
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94 #endif |
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95 |
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96 template<class type> inline void Q3Cache<type>::deleteItem(Q3PtrCollection::Item d) |
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97 { |
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98 if (del_item) delete (type *)d; |
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99 } |
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100 |
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101 template<class type> |
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102 class Q3CacheIterator : public Q3GCacheIterator |
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103 { |
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104 public: |
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105 Q3CacheIterator(const Q3Cache<type> &c):Q3GCacheIterator((Q3GCache &)c) {} |
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106 Q3CacheIterator(const Q3CacheIterator<type> &ci) |
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107 : Q3GCacheIterator((Q3GCacheIterator &)ci) {} |
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108 Q3CacheIterator<type> &operator=(const Q3CacheIterator<type>&ci) |
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109 { return (Q3CacheIterator<type>&)Q3GCacheIterator::operator=(ci); } |
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110 uint count() const { return Q3GCacheIterator::count(); } |
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111 bool isEmpty() const { return Q3GCacheIterator::count() == 0; } |
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112 bool atFirst() const { return Q3GCacheIterator::atFirst(); } |
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113 bool atLast() const { return Q3GCacheIterator::atLast(); } |
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114 type *toFirst() { return (type *)Q3GCacheIterator::toFirst(); } |
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115 type *toLast() { return (type *)Q3GCacheIterator::toLast(); } |
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116 operator type *() const { return (type *)Q3GCacheIterator::get(); } |
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117 type *current() const { return (type *)Q3GCacheIterator::get(); } |
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118 QString currentKey() const{ return Q3GCacheIterator::getKeyString(); } |
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119 type *operator()() { return (type *)Q3GCacheIterator::operator()();} |
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120 type *operator++() { return (type *)Q3GCacheIterator::operator++(); } |
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121 type *operator+=(uint j) { return (type *)Q3GCacheIterator::operator+=(j);} |
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122 type *operator--() { return (type *)Q3GCacheIterator::operator--(); } |
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123 type *operator-=(uint j) { return (type *)Q3GCacheIterator::operator-=(j);} |
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124 }; |
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125 |
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126 QT_END_NAMESPACE |
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127 |
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128 QT_END_HEADER |
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129 |
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130 #endif // Q3CACHE_H |