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_TRAITS_H |
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20 | #define LEMON_TRAITS_H |
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21 | |
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22 | #include <lemon/utility.h> |
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23 | |
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24 | ///\file |
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25 | ///\brief Traits for graphs and maps |
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26 | /// |
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27 | |
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28 | namespace lemon { |
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29 | template <typename _Graph, typename _Item> |
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30 | class ItemSetTraits {}; |
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31 | |
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32 | template <typename _Graph> |
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33 | class ItemSetTraits<_Graph, typename _Graph::Node> { |
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34 | public: |
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35 | |
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36 | typedef _Graph Graph; |
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37 | |
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38 | typedef typename Graph::Node Item; |
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39 | typedef typename Graph::NodeIt ItemIt; |
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40 | |
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41 | template <typename _Value> |
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42 | class Map : public Graph::template NodeMap<_Value> { |
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43 | public: |
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44 | typedef typename Graph::template NodeMap<_Value> Parent; |
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45 | typedef typename Parent::Value Value; |
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46 | |
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47 | Map(const Graph& _graph) : Parent(_graph) {} |
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48 | Map(const Graph& _graph, const Value& _value) |
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49 | : Parent(_graph, _value) {} |
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50 | }; |
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51 | |
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52 | }; |
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53 | |
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54 | template <typename _Graph> |
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55 | class ItemSetTraits<_Graph, typename _Graph::Edge> { |
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56 | public: |
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57 | |
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58 | typedef _Graph Graph; |
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59 | |
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60 | typedef typename Graph::Edge Item; |
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61 | typedef typename Graph::EdgeIt ItemIt; |
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62 | |
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63 | template <typename _Value> |
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64 | class Map : public Graph::template EdgeMap<_Value> { |
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65 | public: |
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66 | typedef typename Graph::template EdgeMap<_Value> Parent; |
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67 | typedef typename Parent::Value Value; |
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68 | |
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69 | Map(const Graph& _graph) : Parent(_graph) {} |
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70 | Map(const Graph& _graph, const Value& _value) |
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71 | : Parent(_graph, _value) {} |
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72 | }; |
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73 | |
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74 | }; |
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75 | |
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76 | template <typename _Graph> |
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77 | class ItemSetTraits<_Graph, typename _Graph::UEdge> { |
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78 | public: |
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79 | |
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80 | typedef _Graph Graph; |
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81 | |
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82 | typedef typename Graph::UEdge Item; |
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83 | typedef typename Graph::UEdgeIt ItemIt; |
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84 | |
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85 | template <typename _Value> |
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86 | class Map : public Graph::template UEdgeMap<_Value> { |
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87 | public: |
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88 | typedef typename Graph::template UEdgeMap<_Value> Parent; |
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89 | typedef typename Parent::Value Value; |
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90 | |
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91 | Map(const Graph& _graph) : Parent(_graph) {} |
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92 | Map(const Graph& _graph, const Value& _value) |
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93 | : Parent(_graph, _value) {} |
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94 | }; |
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95 | |
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96 | }; |
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97 | |
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98 | |
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99 | template <typename _Graph> |
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100 | class ItemSetTraits<_Graph, typename _Graph::ANode> { |
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101 | public: |
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102 | |
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103 | typedef _Graph Graph; |
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104 | |
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105 | typedef typename Graph::ANode Item; |
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106 | typedef typename Graph::ANodeIt ItemIt; |
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107 | |
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108 | template <typename _Value> |
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109 | class Map : public Graph::template ANodeMap<_Value> { |
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110 | public: |
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111 | typedef typename Graph::template ANodeMap<_Value> Parent; |
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112 | typedef typename Parent::Value Value; |
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113 | |
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114 | Map(const Graph& _graph) : Parent(_graph) {} |
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115 | Map(const Graph& _graph, const Value& _value) |
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116 | : Parent(_graph, _value) {} |
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117 | }; |
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118 | |
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119 | }; |
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120 | |
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121 | template <typename _Graph> |
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122 | class ItemSetTraits<_Graph, typename _Graph::BNode> { |
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123 | public: |
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124 | |
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125 | typedef _Graph Graph; |
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126 | |
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127 | typedef typename Graph::BNode Item; |
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128 | typedef typename Graph::BNodeIt ItemIt; |
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129 | |
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130 | template <typename _Value> |
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131 | class Map : public Graph::template BNodeMap<_Value> { |
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132 | public: |
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133 | typedef typename Graph::template BNodeMap<_Value> Parent; |
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134 | typedef typename Parent::Value Value; |
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135 | |
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136 | Map(const Graph& _graph) : Parent(_graph) {} |
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137 | Map(const Graph& _graph, const Value& _value) |
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138 | : Parent(_graph, _value) {} |
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139 | }; |
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140 | |
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141 | }; |
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142 | |
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143 | |
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144 | template <typename Map, typename Enable = void> |
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145 | struct MapTraits { |
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146 | typedef False ReferenceMapTag; |
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147 | |
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148 | typedef typename Map::Key Key; |
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149 | typedef typename Map::Value Value; |
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150 | |
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151 | typedef const Value ConstReturnValue; |
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152 | typedef const Value ReturnValue; |
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153 | }; |
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154 | |
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155 | template <typename Map> |
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156 | struct MapTraits< |
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157 | Map, typename enable_if<typename Map::ReferenceMapTag, void>::type > |
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158 | { |
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159 | typedef True ReferenceMapTag; |
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160 | |
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161 | typedef typename Map::Key Key; |
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162 | typedef typename Map::Value Value; |
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163 | |
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164 | typedef typename Map::ConstReference ConstReturnValue; |
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165 | typedef typename Map::Reference ReturnValue; |
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166 | |
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167 | typedef typename Map::ConstReference ConstReference; |
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168 | typedef typename Map::Reference Reference; |
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169 | }; |
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170 | |
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171 | // Indicators for the tags |
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172 | |
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173 | template <typename Graph, typename Enable = void> |
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174 | struct NodeNumTagIndicator { |
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175 | static const bool value = false; |
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176 | }; |
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177 | |
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178 | template <typename Graph> |
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179 | struct NodeNumTagIndicator< |
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180 | Graph, |
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181 | typename enable_if<typename Graph::NodeNumTag, void>::type |
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182 | > { |
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183 | static const bool value = true; |
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184 | }; |
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185 | |
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186 | template <typename Graph, typename Enable = void> |
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187 | struct EdgeNumTagIndicator { |
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188 | static const bool value = false; |
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189 | }; |
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190 | |
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191 | template <typename Graph> |
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192 | struct EdgeNumTagIndicator< |
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193 | Graph, |
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194 | typename enable_if<typename Graph::EdgeNumTag, void>::type |
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195 | > { |
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196 | static const bool value = true; |
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197 | }; |
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198 | |
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199 | template <typename Graph, typename Enable = void> |
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200 | struct FindEdgeTagIndicator { |
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201 | static const bool value = false; |
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202 | }; |
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203 | |
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204 | template <typename Graph> |
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205 | struct FindEdgeTagIndicator< |
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206 | Graph, |
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207 | typename enable_if<typename Graph::FindEdgeTag, void>::type |
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208 | > { |
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209 | static const bool value = true; |
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210 | }; |
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211 | |
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212 | |
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213 | |
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214 | } |
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215 | |
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216 | #endif // LEMON_MAPS_H |
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