1 | /* -*- C++ -*- |
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2 | * |
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3 | * This file is a part of LEMON, a generic C++ optimization library |
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4 | * |
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5 | * Copyright (C) 2003-2006 |
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6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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8 | * |
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9 | * Permission to use, modify and distribute this software is granted |
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10 | * provided that this copyright notice appears in all copies. For |
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11 | * precise terms see the accompanying LICENSE file. |
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12 | * |
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13 | * This software is provided "AS IS" with no warranty of any kind, |
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14 | * express or implied, and with no claim as to its suitability for any |
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15 | * purpose. |
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16 | * |
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17 | */ |
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18 | |
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19 | #ifndef LEMON_DEFAULT_MAP_H |
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20 | #define LEMON_DEFAULT_MAP_H |
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21 | |
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22 | |
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23 | #include <lemon/bits/array_map.h> |
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24 | #include <lemon/bits/vector_map.h> |
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25 | |
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26 | ///\ingroup graphmapfactory |
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27 | ///\file |
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28 | ///\brief Graph maps that construct and destruct |
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29 | ///their elements dynamically. |
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30 | |
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31 | namespace lemon { |
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32 | |
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33 | |
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34 | template <typename _Graph, typename _Item, typename _Value> |
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35 | struct DefaultMapSelector { |
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36 | typedef VectorMap<_Graph, _Item, _Value> Map; |
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37 | }; |
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38 | |
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39 | // bool |
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40 | template <typename _Graph, typename _Item> |
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41 | struct DefaultMapSelector<_Graph, _Item, bool> { |
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42 | typedef VectorMap<_Graph, _Item, bool> Map; |
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43 | }; |
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44 | |
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45 | // char |
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46 | template <typename _Graph, typename _Item> |
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47 | struct DefaultMapSelector<_Graph, _Item, char> { |
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48 | typedef VectorMap<_Graph, _Item, char> Map; |
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49 | }; |
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50 | |
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51 | template <typename _Graph, typename _Item> |
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52 | struct DefaultMapSelector<_Graph, _Item, signed char> { |
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53 | typedef VectorMap<_Graph, _Item, signed char> Map; |
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54 | }; |
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55 | |
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56 | template <typename _Graph, typename _Item> |
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57 | struct DefaultMapSelector<_Graph, _Item, unsigned char> { |
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58 | typedef VectorMap<_Graph, _Item, unsigned char> Map; |
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59 | }; |
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60 | |
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61 | |
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62 | // int |
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63 | template <typename _Graph, typename _Item> |
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64 | struct DefaultMapSelector<_Graph, _Item, signed int> { |
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65 | typedef VectorMap<_Graph, _Item, signed int> Map; |
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66 | }; |
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67 | |
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68 | template <typename _Graph, typename _Item> |
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69 | struct DefaultMapSelector<_Graph, _Item, unsigned int> { |
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70 | typedef VectorMap<_Graph, _Item, unsigned int> Map; |
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71 | }; |
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72 | |
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73 | |
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74 | // short |
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75 | template <typename _Graph, typename _Item> |
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76 | struct DefaultMapSelector<_Graph, _Item, signed short> { |
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77 | typedef VectorMap<_Graph, _Item, signed short> Map; |
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78 | }; |
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79 | |
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80 | template <typename _Graph, typename _Item> |
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81 | struct DefaultMapSelector<_Graph, _Item, unsigned short> { |
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82 | typedef VectorMap<_Graph, _Item, unsigned short> Map; |
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83 | }; |
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84 | |
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85 | |
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86 | // long |
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87 | template <typename _Graph, typename _Item> |
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88 | struct DefaultMapSelector<_Graph, _Item, signed long> { |
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89 | typedef VectorMap<_Graph, _Item, signed long> Map; |
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90 | }; |
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91 | |
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92 | template <typename _Graph, typename _Item> |
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93 | struct DefaultMapSelector<_Graph, _Item, unsigned long> { |
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94 | typedef VectorMap<_Graph, _Item, unsigned long> Map; |
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95 | }; |
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96 | |
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97 | |
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98 | #ifndef __STRICT_ANSI__ |
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99 | |
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100 | // long long |
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101 | template <typename _Graph, typename _Item> |
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102 | struct DefaultMapSelector<_Graph, _Item, signed long long> { |
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103 | typedef VectorMap<_Graph, _Item, signed long long> Map; |
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104 | }; |
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105 | |
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106 | template <typename _Graph, typename _Item> |
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107 | struct DefaultMapSelector<_Graph, _Item, unsigned long long> { |
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108 | typedef VectorMap<_Graph, _Item, unsigned long long> Map; |
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109 | }; |
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110 | |
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111 | #endif |
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112 | |
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113 | |
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114 | // float |
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115 | template <typename _Graph, typename _Item> |
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116 | struct DefaultMapSelector<_Graph, _Item, float> { |
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117 | typedef VectorMap<_Graph, _Item, float> Map; |
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118 | }; |
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119 | |
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120 | |
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121 | // double |
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122 | template <typename _Graph, typename _Item> |
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123 | struct DefaultMapSelector<_Graph, _Item, double> { |
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124 | typedef VectorMap<_Graph, _Item, double> Map; |
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125 | }; |
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126 | |
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127 | |
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128 | // long double |
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129 | template <typename _Graph, typename _Item> |
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130 | struct DefaultMapSelector<_Graph, _Item, long double> { |
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131 | typedef VectorMap<_Graph, _Item, long double> Map; |
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132 | }; |
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133 | |
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134 | |
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135 | // pointer |
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136 | template <typename _Graph, typename _Item, typename _Ptr> |
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137 | struct DefaultMapSelector<_Graph, _Item, _Ptr*> { |
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138 | typedef VectorMap<_Graph, _Item, _Ptr*> Map; |
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139 | }; |
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140 | |
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141 | /// \e |
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142 | template < |
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143 | typename _Graph, |
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144 | typename _Item, |
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145 | typename _Value> |
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146 | class DefaultMap |
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147 | : public DefaultMapSelector<_Graph, _Item, _Value>::Map { |
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148 | public: |
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149 | typedef typename DefaultMapSelector<_Graph, _Item, _Value>::Map Parent; |
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150 | typedef DefaultMap<_Graph, _Item, _Value> Map; |
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151 | |
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152 | typedef typename Parent::Graph Graph; |
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153 | typedef typename Parent::Value Value; |
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154 | |
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155 | DefaultMap(const Graph& _g) : Parent(_g) {} |
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156 | DefaultMap(const Graph& _g, const Value& _v) : Parent(_g, _v) {} |
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157 | |
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158 | }; |
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159 | |
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160 | |
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161 | /// \e |
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162 | template <typename _Base> |
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163 | class MappableGraphExtender : public _Base { |
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164 | public: |
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165 | |
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166 | typedef MappableGraphExtender<_Base> Graph; |
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167 | typedef _Base Parent; |
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168 | |
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169 | typedef typename Parent::Node Node; |
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170 | typedef typename Parent::NodeIt NodeIt; |
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171 | |
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172 | typedef typename Parent::Edge Edge; |
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173 | typedef typename Parent::EdgeIt EdgeIt; |
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174 | |
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175 | |
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176 | template <typename _Value> |
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177 | class NodeMap |
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178 | : public IterableMapExtender<DefaultMap<Graph, Node, _Value> > { |
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179 | public: |
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180 | typedef MappableGraphExtender Graph; |
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181 | typedef IterableMapExtender<DefaultMap<Graph, Node, _Value> > Parent; |
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182 | |
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183 | NodeMap(const Graph& _g) |
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184 | : Parent(_g) {} |
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185 | NodeMap(const Graph& _g, const _Value& _v) |
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186 | : Parent(_g, _v) {} |
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187 | |
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188 | NodeMap& operator=(const NodeMap& cmap) { |
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189 | return operator=<NodeMap>(cmap); |
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190 | } |
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191 | |
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192 | |
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193 | /// \brief Template assign operator. |
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194 | /// |
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195 | /// The given parameter should be conform to the ReadMap |
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196 | /// concecpt and could be indiced by the current item set of |
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197 | /// the NodeMap. In this case the value for each item |
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198 | /// is assigned by the value of the given ReadMap. |
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199 | template <typename CMap> |
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200 | NodeMap& operator=(const CMap& cmap) { |
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201 | checkConcept<concept::ReadMap<Node, _Value>, CMap>(); |
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202 | const typename Parent::Graph* graph = Parent::getGraph(); |
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203 | Node it; |
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204 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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205 | Parent::set(it, cmap[it]); |
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206 | } |
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207 | return *this; |
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208 | } |
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209 | |
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210 | }; |
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211 | |
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212 | template <typename _Value> |
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213 | class EdgeMap |
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214 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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215 | public: |
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216 | typedef MappableGraphExtender Graph; |
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217 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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218 | |
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219 | EdgeMap(const Graph& _g) |
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220 | : Parent(_g) {} |
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221 | EdgeMap(const Graph& _g, const _Value& _v) |
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222 | : Parent(_g, _v) {} |
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223 | |
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224 | EdgeMap& operator=(const EdgeMap& cmap) { |
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225 | return operator=<EdgeMap>(cmap); |
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226 | } |
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227 | |
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228 | template <typename CMap> |
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229 | EdgeMap& operator=(const CMap& cmap) { |
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230 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
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231 | const typename Parent::Graph* graph = Parent::getGraph(); |
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232 | Edge it; |
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233 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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234 | Parent::set(it, cmap[it]); |
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235 | } |
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236 | return *this; |
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237 | } |
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238 | }; |
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239 | |
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240 | }; |
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241 | |
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242 | /// \e |
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243 | template <typename _Base> |
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244 | class MappableEdgeSetExtender : public _Base { |
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245 | public: |
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246 | |
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247 | typedef MappableEdgeSetExtender<_Base> Graph; |
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248 | typedef _Base Parent; |
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249 | |
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250 | typedef typename Parent::Edge Edge; |
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251 | typedef typename Parent::EdgeIt EdgeIt; |
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252 | |
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253 | template <typename _Value> |
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254 | class EdgeMap |
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255 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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256 | public: |
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257 | typedef MappableEdgeSetExtender Graph; |
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258 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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259 | |
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260 | EdgeMap(const Graph& _g) |
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261 | : Parent(_g) {} |
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262 | EdgeMap(const Graph& _g, const _Value& _v) |
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263 | : Parent(_g, _v) {} |
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264 | |
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265 | EdgeMap& operator=(const EdgeMap& cmap) { |
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266 | return operator=<EdgeMap>(cmap); |
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267 | } |
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268 | |
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269 | template <typename CMap> |
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270 | EdgeMap& operator=(const CMap& cmap) { |
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271 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
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272 | const typename Parent::Graph* graph = Parent::getGraph(); |
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273 | Edge it; |
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274 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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275 | Parent::set(it, cmap[it]); |
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276 | } |
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277 | return *this; |
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278 | } |
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279 | }; |
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280 | |
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281 | }; |
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282 | |
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283 | /// \e |
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284 | template <typename _Base> |
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285 | class MappableUGraphExtender : |
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286 | public MappableGraphExtender<_Base> { |
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287 | public: |
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288 | |
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289 | typedef MappableUGraphExtender Graph; |
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290 | typedef MappableGraphExtender<_Base> Parent; |
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291 | |
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292 | typedef typename Parent::UEdge UEdge; |
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293 | |
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294 | template <typename _Value> |
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295 | class UEdgeMap |
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296 | : public IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > { |
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297 | public: |
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298 | typedef MappableUGraphExtender Graph; |
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299 | typedef IterableMapExtender< |
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300 | DefaultMap<Graph, UEdge, _Value> > Parent; |
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301 | |
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302 | UEdgeMap(const Graph& _g) |
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303 | : Parent(_g) {} |
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304 | UEdgeMap(const Graph& _g, const _Value& _v) |
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305 | : Parent(_g, _v) {} |
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306 | |
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307 | UEdgeMap& operator=(const UEdgeMap& cmap) { |
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308 | return operator=<UEdgeMap>(cmap); |
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309 | } |
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310 | |
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311 | template <typename CMap> |
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312 | UEdgeMap& operator=(const CMap& cmap) { |
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313 | checkConcept<concept::ReadMap<UEdge, _Value>, CMap>(); |
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314 | const typename Parent::Graph* graph = Parent::getGraph(); |
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315 | UEdge it; |
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316 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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317 | Parent::set(it, cmap[it]); |
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318 | } |
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319 | return *this; |
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320 | } |
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321 | }; |
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322 | |
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323 | |
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324 | }; |
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325 | |
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326 | /// \e |
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327 | template <typename _Base> |
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328 | class MappableUEdgeSetExtender : |
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329 | public MappableEdgeSetExtender<_Base> { |
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330 | public: |
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331 | |
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332 | typedef MappableUEdgeSetExtender Graph; |
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333 | typedef MappableEdgeSetExtender<_Base> Parent; |
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334 | |
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335 | typedef typename Parent::UEdge UEdge; |
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336 | |
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337 | template <typename _Value> |
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338 | class UEdgeMap |
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339 | : public IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > { |
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340 | public: |
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341 | typedef MappableUEdgeSetExtender Graph; |
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342 | typedef IterableMapExtender< |
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343 | DefaultMap<Graph, UEdge, _Value> > Parent; |
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344 | |
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345 | UEdgeMap(const Graph& _g) |
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346 | : Parent(_g) {} |
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347 | UEdgeMap(const Graph& _g, const _Value& _v) |
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348 | : Parent(_g, _v) {} |
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349 | |
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350 | UEdgeMap& operator=(const UEdgeMap& cmap) { |
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351 | return operator=<UEdgeMap>(cmap); |
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352 | } |
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353 | |
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354 | template <typename CMap> |
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355 | UEdgeMap& operator=(const CMap& cmap) { |
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356 | checkConcept<concept::ReadMap<UEdge, _Value>, CMap>(); |
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357 | const typename Parent::Graph* graph = Parent::getGraph(); |
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358 | UEdge it; |
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359 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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360 | Parent::set(it, cmap[it]); |
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361 | } |
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362 | return *this; |
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363 | } |
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364 | }; |
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365 | |
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366 | |
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367 | }; |
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368 | |
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369 | |
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370 | template <typename _Base> |
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371 | class MappableBpUGraphExtender : public _Base { |
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372 | public: |
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373 | |
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374 | typedef _Base Parent; |
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375 | typedef MappableBpUGraphExtender Graph; |
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376 | |
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377 | typedef typename Parent::Node Node; |
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378 | typedef typename Parent::ANode ANode; |
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379 | typedef typename Parent::BNode BNode; |
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380 | typedef typename Parent::Edge Edge; |
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381 | typedef typename Parent::UEdge UEdge; |
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382 | |
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383 | template <typename _Value> |
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384 | class ANodeMap |
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385 | : public IterableMapExtender<DefaultMap<Graph, ANode, _Value> > { |
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386 | public: |
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387 | typedef MappableBpUGraphExtender Graph; |
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388 | typedef IterableMapExtender<DefaultMap<Graph, ANode, _Value> > |
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389 | Parent; |
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390 | |
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391 | ANodeMap(const Graph& _g) |
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392 | : Parent(_g) {} |
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393 | ANodeMap(const Graph& _g, const _Value& _v) |
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394 | : Parent(_g, _v) {} |
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395 | |
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396 | ANodeMap& operator=(const ANodeMap& cmap) { |
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397 | return operator=<ANodeMap>(cmap); |
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398 | } |
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399 | |
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400 | |
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401 | /// \brief Template assign operator. |
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402 | /// |
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403 | /// The given parameter should be conform to the ReadMap |
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404 | /// concept and could be indiced by the current item set of |
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405 | /// the ANodeMap. In this case the value for each item |
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406 | /// is assigned by the value of the given ReadMap. |
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407 | template <typename CMap> |
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408 | ANodeMap& operator=(const CMap& cmap) { |
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409 | checkConcept<concept::ReadMap<ANode, _Value>, CMap>(); |
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410 | const typename Parent::Graph* graph = Parent::getGraph(); |
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411 | ANode it; |
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412 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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413 | Parent::set(it, cmap[it]); |
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414 | } |
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415 | return *this; |
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416 | } |
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417 | |
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418 | }; |
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419 | |
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420 | template <typename _Value> |
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421 | class BNodeMap |
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422 | : public IterableMapExtender<DefaultMap<Graph, BNode, _Value> > { |
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423 | public: |
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424 | typedef MappableBpUGraphExtender Graph; |
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425 | typedef IterableMapExtender<DefaultMap<Graph, BNode, _Value> > |
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426 | Parent; |
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427 | |
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428 | BNodeMap(const Graph& _g) |
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429 | : Parent(_g) {} |
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430 | BNodeMap(const Graph& _g, const _Value& _v) |
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431 | : Parent(_g, _v) {} |
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432 | |
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433 | BNodeMap& operator=(const BNodeMap& cmap) { |
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434 | return operator=<BNodeMap>(cmap); |
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435 | } |
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436 | |
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437 | |
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438 | /// \brief Template assign operator. |
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439 | /// |
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440 | /// The given parameter should be conform to the ReadMap |
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441 | /// concept and could be indiced by the current item set of |
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442 | /// the BNodeMap. In this case the value for each item |
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443 | /// is assigned by the value of the given ReadMap. |
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444 | template <typename CMap> |
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445 | BNodeMap& operator=(const CMap& cmap) { |
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446 | checkConcept<concept::ReadMap<BNode, _Value>, CMap>(); |
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447 | const typename Parent::Graph* graph = Parent::getGraph(); |
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448 | BNode it; |
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449 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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450 | Parent::set(it, cmap[it]); |
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451 | } |
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452 | return *this; |
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453 | } |
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454 | |
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455 | }; |
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456 | |
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457 | protected: |
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458 | |
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459 | template <typename _Value> |
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460 | class NodeMapBase : public Parent::NodeNotifier::ObserverBase { |
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461 | public: |
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462 | typedef MappableBpUGraphExtender Graph; |
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463 | |
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464 | typedef Node Key; |
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465 | typedef _Value Value; |
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466 | |
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467 | /// The reference type of the map; |
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468 | typedef typename BNodeMap<_Value>::Reference Reference; |
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469 | /// The pointer type of the map; |
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470 | typedef typename BNodeMap<_Value>::Pointer Pointer; |
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471 | |
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472 | /// The const value type of the map. |
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473 | typedef const Value ConstValue; |
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474 | /// The const reference type of the map; |
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475 | typedef typename BNodeMap<_Value>::ConstReference ConstReference; |
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476 | /// The pointer type of the map; |
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477 | typedef typename BNodeMap<_Value>::ConstPointer ConstPointer; |
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478 | |
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479 | typedef True ReferenceMapTag; |
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480 | |
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481 | NodeMapBase(const Graph& _g) |
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482 | : graph(&_g), bNodeMap(_g), aNodeMap(_g) { |
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483 | Parent::NodeNotifier::ObserverBase::attach(_g.getNotifier(Node())); |
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484 | } |
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485 | NodeMapBase(const Graph& _g, const _Value& _v) |
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486 | : graph(&_g), bNodeMap(_g, _v), |
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487 | aNodeMap(_g, _v) { |
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488 | Parent::NodeNotifier::ObserverBase::attach(_g.getNotifier(Node())); |
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489 | } |
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490 | |
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491 | virtual ~NodeMapBase() { |
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492 | if (Parent::NodeNotifier::ObserverBase::attached()) { |
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493 | Parent::NodeNotifier::ObserverBase::detach(); |
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494 | } |
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495 | } |
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496 | |
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497 | ConstReference operator[](const Key& node) const { |
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498 | if (Parent::aNode(node)) { |
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499 | return aNodeMap[node]; |
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500 | } else { |
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501 | return bNodeMap[node]; |
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502 | } |
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503 | } |
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504 | |
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505 | Reference operator[](const Key& node) { |
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506 | if (Parent::aNode(node)) { |
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507 | return aNodeMap[node]; |
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508 | } else { |
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509 | return bNodeMap[node]; |
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510 | } |
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511 | } |
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512 | |
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513 | void set(const Key& node, const Value& value) { |
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514 | if (Parent::aNode(node)) { |
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515 | aNodeMap.set(node, value); |
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516 | } else { |
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517 | bNodeMap.set(node, value); |
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518 | } |
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519 | } |
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520 | |
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521 | protected: |
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522 | |
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523 | virtual void add(const Node&) {} |
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524 | virtual void add(const std::vector<Node>&) {} |
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525 | virtual void erase(const Node&) {} |
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526 | virtual void erase(const std::vector<Node>&) {} |
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527 | virtual void clear() {} |
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528 | virtual void build() {} |
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529 | |
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530 | const Graph* getGraph() const { return graph; } |
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531 | |
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532 | private: |
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533 | const Graph* graph; |
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534 | BNodeMap<_Value> bNodeMap; |
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535 | ANodeMap<_Value> aNodeMap; |
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536 | }; |
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537 | |
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538 | public: |
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539 | |
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540 | template <typename _Value> |
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541 | class NodeMap |
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542 | : public IterableMapExtender<NodeMapBase<_Value> > { |
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543 | public: |
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544 | typedef MappableBpUGraphExtender Graph; |
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545 | typedef IterableMapExtender< NodeMapBase<_Value> > Parent; |
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546 | |
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547 | NodeMap(const Graph& _g) |
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548 | : Parent(_g) {} |
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549 | NodeMap(const Graph& _g, const _Value& _v) |
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550 | : Parent(_g, _v) {} |
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551 | |
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552 | NodeMap& operator=(const NodeMap& cmap) { |
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553 | return operator=<NodeMap>(cmap); |
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554 | } |
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555 | |
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556 | |
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557 | /// \brief Template assign operator. |
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558 | /// |
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559 | /// The given parameter should be conform to the ReadMap |
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560 | /// concept and could be indiced by the current item set of |
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561 | /// the NodeMap. In this case the value for each item |
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562 | /// is assigned by the value of the given ReadMap. |
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563 | template <typename CMap> |
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564 | NodeMap& operator=(const CMap& cmap) { |
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565 | checkConcept<concept::ReadMap<Node, _Value>, CMap>(); |
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566 | const typename Parent::Graph* graph = Parent::getGraph(); |
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567 | Node it; |
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568 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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569 | Parent::set(it, cmap[it]); |
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570 | } |
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571 | return *this; |
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572 | } |
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573 | |
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574 | }; |
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575 | |
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576 | |
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577 | |
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578 | template <typename _Value> |
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579 | class EdgeMap |
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580 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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581 | public: |
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582 | typedef MappableBpUGraphExtender Graph; |
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583 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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584 | |
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585 | EdgeMap(const Graph& _g) |
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586 | : Parent(_g) {} |
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587 | EdgeMap(const Graph& _g, const _Value& _v) |
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588 | : Parent(_g, _v) {} |
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589 | |
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590 | EdgeMap& operator=(const EdgeMap& cmap) { |
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591 | return operator=<EdgeMap>(cmap); |
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592 | } |
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593 | |
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594 | template <typename CMap> |
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595 | EdgeMap& operator=(const CMap& cmap) { |
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596 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
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597 | const typename Parent::Graph* graph = Parent::getGraph(); |
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598 | Edge it; |
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599 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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600 | Parent::set(it, cmap[it]); |
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601 | } |
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602 | return *this; |
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603 | } |
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604 | }; |
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605 | |
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606 | template <typename _Value> |
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607 | class UEdgeMap |
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608 | : public IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > { |
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609 | public: |
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610 | typedef MappableBpUGraphExtender Graph; |
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611 | typedef IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > |
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612 | Parent; |
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613 | |
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614 | UEdgeMap(const Graph& _g) |
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615 | : Parent(_g) {} |
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616 | UEdgeMap(const Graph& _g, const _Value& _v) |
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617 | : Parent(_g, _v) {} |
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618 | |
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619 | UEdgeMap& operator=(const UEdgeMap& cmap) { |
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620 | return operator=<UEdgeMap>(cmap); |
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621 | } |
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622 | |
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623 | template <typename CMap> |
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624 | UEdgeMap& operator=(const CMap& cmap) { |
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625 | checkConcept<concept::ReadMap<UEdge, _Value>, CMap>(); |
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626 | const typename Parent::Graph* graph = Parent::getGraph(); |
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627 | UEdge it; |
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628 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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629 | Parent::set(it, cmap[it]); |
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630 | } |
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631 | return *this; |
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632 | } |
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633 | }; |
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634 | |
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635 | }; |
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636 | |
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637 | } |
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638 | |
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639 | #endif |
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