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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 Q3GDICT_H |
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43 #define Q3GDICT_H |
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44 |
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45 #include <Qt3Support/q3ptrcollection.h> |
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46 #include <QtCore/qstring.h> |
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47 |
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48 QT_BEGIN_HEADER |
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49 |
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50 QT_BEGIN_NAMESPACE |
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51 |
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52 QT_MODULE(Qt3SupportLight) |
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53 |
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54 class Q3GDictIterator; |
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55 class Q3GDItList; |
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56 |
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57 |
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58 class Q3BaseBucket // internal dict node |
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59 { |
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60 public: |
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61 Q3PtrCollection::Item getData() { return data; } |
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62 Q3PtrCollection::Item setData( Q3PtrCollection::Item d ) { return data = d; } |
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63 Q3BaseBucket *getNext() { return next; } |
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64 void setNext( Q3BaseBucket *n) { next = n; } |
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65 protected: |
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66 Q3BaseBucket( Q3PtrCollection::Item d, Q3BaseBucket *n ) : data(d), next(n) {} |
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67 Q3PtrCollection::Item data; |
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68 Q3BaseBucket *next; |
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69 }; |
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70 |
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71 class Q3StringBucket : public Q3BaseBucket |
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72 { |
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73 public: |
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74 Q3StringBucket( const QString &k, Q3PtrCollection::Item d, Q3BaseBucket *n ) |
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75 : Q3BaseBucket(d,n), key(k) {} |
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76 const QString &getKey() const { return key; } |
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77 private: |
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78 QString key; |
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79 }; |
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80 |
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81 class Q3AsciiBucket : public Q3BaseBucket |
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82 { |
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83 public: |
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84 Q3AsciiBucket( const char *k, Q3PtrCollection::Item d, Q3BaseBucket *n ) |
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85 : Q3BaseBucket(d,n), key(k) {} |
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86 const char *getKey() const { return key; } |
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87 private: |
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88 const char *key; |
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89 }; |
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90 |
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91 class Q3IntBucket : public Q3BaseBucket |
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92 { |
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93 public: |
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94 Q3IntBucket( long k, Q3PtrCollection::Item d, Q3BaseBucket *n ) |
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95 : Q3BaseBucket(d,n), key(k) {} |
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96 long getKey() const { return key; } |
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97 private: |
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98 long key; |
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99 }; |
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100 |
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101 class Q3PtrBucket : public Q3BaseBucket |
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102 { |
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103 public: |
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104 Q3PtrBucket( void *k, Q3PtrCollection::Item d, Q3BaseBucket *n ) |
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105 : Q3BaseBucket(d,n), key(k) {} |
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106 void *getKey() const { return key; } |
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107 private: |
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108 void *key; |
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109 }; |
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110 |
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111 |
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112 class Q_COMPAT_EXPORT Q3GDict : public Q3PtrCollection // generic dictionary class |
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113 { |
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114 public: |
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115 uint count() const { return numItems; } |
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116 uint size() const { return vlen; } |
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117 Q3PtrCollection::Item look_string( const QString& key, Q3PtrCollection::Item, |
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118 int ); |
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119 Q3PtrCollection::Item look_ascii( const char *key, Q3PtrCollection::Item, int ); |
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120 Q3PtrCollection::Item look_int( long key, Q3PtrCollection::Item, int ); |
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121 Q3PtrCollection::Item look_ptr( void *key, Q3PtrCollection::Item, int ); |
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122 #ifndef QT_NO_DATASTREAM |
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123 QDataStream &read( QDataStream & ); |
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124 QDataStream &write( QDataStream & ) const; |
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125 #endif |
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126 protected: |
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127 enum KeyType { StringKey, AsciiKey, IntKey, PtrKey }; |
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128 |
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129 Q3GDict( uint len, KeyType kt, bool cs, bool ck ); |
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130 Q3GDict( const Q3GDict & ); |
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131 ~Q3GDict(); |
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132 |
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133 Q3GDict &operator=( const Q3GDict & ); |
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134 |
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135 bool remove_string( const QString &key, Q3PtrCollection::Item item=0 ); |
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136 bool remove_ascii( const char *key, Q3PtrCollection::Item item=0 ); |
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137 bool remove_int( long key, Q3PtrCollection::Item item=0 ); |
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138 bool remove_ptr( void *key, Q3PtrCollection::Item item=0 ); |
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139 Q3PtrCollection::Item take_string( const QString &key ); |
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140 Q3PtrCollection::Item take_ascii( const char *key ); |
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141 Q3PtrCollection::Item take_int( long key ); |
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142 Q3PtrCollection::Item take_ptr( void *key ); |
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143 |
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144 void clear(); |
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145 void resize( uint ); |
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146 |
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147 int hashKeyString( const QString & ); |
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148 int hashKeyAscii( const char * ); |
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149 |
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150 void statistics() const; |
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151 |
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152 #ifndef QT_NO_DATASTREAM |
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153 virtual QDataStream &read( QDataStream &, Q3PtrCollection::Item & ); |
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154 virtual QDataStream &write( QDataStream &, Q3PtrCollection::Item ) const; |
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155 #endif |
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156 private: |
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157 Q3BaseBucket **vec; |
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158 uint vlen; |
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159 uint numItems; |
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160 uint keytype : 2; |
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161 uint cases : 1; |
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162 uint copyk : 1; |
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163 Q3GDItList *iterators; |
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164 void unlink_common( int, Q3BaseBucket *, Q3BaseBucket * ); |
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165 Q3StringBucket *unlink_string( const QString &, |
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166 Q3PtrCollection::Item item = 0 ); |
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167 Q3AsciiBucket *unlink_ascii( const char *, Q3PtrCollection::Item item = 0 ); |
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168 Q3IntBucket *unlink_int( long, Q3PtrCollection::Item item = 0 ); |
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169 Q3PtrBucket *unlink_ptr( void *, Q3PtrCollection::Item item = 0 ); |
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170 void init( uint, KeyType, bool, bool ); |
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171 friend class Q3GDictIterator; |
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172 }; |
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173 |
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174 |
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175 class Q_COMPAT_EXPORT Q3GDictIterator // generic dictionary iterator |
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176 { |
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177 friend class Q3GDict; |
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178 public: |
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179 Q3GDictIterator( const Q3GDict & ); |
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180 Q3GDictIterator( const Q3GDictIterator & ); |
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181 Q3GDictIterator &operator=( const Q3GDictIterator & ); |
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182 ~Q3GDictIterator(); |
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183 |
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184 Q3PtrCollection::Item toFirst(); |
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185 |
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186 Q3PtrCollection::Item get() const; |
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187 QString getKeyString() const; |
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188 const char *getKeyAscii() const; |
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189 long getKeyInt() const; |
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190 void *getKeyPtr() const; |
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191 |
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192 Q3PtrCollection::Item operator()(); |
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193 Q3PtrCollection::Item operator++(); |
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194 Q3PtrCollection::Item operator+=(uint); |
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195 |
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196 protected: |
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197 Q3GDict *dict; |
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198 |
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199 private: |
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200 Q3BaseBucket *curNode; |
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201 uint curIndex; |
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202 }; |
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203 |
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204 inline Q3PtrCollection::Item Q3GDictIterator::get() const |
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205 { |
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206 return curNode ? curNode->getData() : 0; |
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207 } |
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208 |
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209 inline QString Q3GDictIterator::getKeyString() const |
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210 { |
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211 return curNode ? ((Q3StringBucket*)curNode)->getKey() : QString(); |
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212 } |
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213 |
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214 inline const char *Q3GDictIterator::getKeyAscii() const |
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215 { |
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216 return curNode ? ((Q3AsciiBucket*)curNode)->getKey() : 0; |
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217 } |
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218 |
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219 inline long Q3GDictIterator::getKeyInt() const |
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220 { |
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221 return curNode ? ((Q3IntBucket*)curNode)->getKey() : 0; |
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222 } |
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223 |
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224 inline void *Q3GDictIterator::getKeyPtr() const |
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225 { |
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226 return curNode ? ((Q3PtrBucket*)curNode)->getKey() : 0; |
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227 } |
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228 |
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229 QT_END_NAMESPACE |
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230 |
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231 QT_END_HEADER |
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232 |
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233 #endif // Q3GDICT_H |