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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_BITS_TRAITS_H |
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20 #define LEMON_BITS_TRAITS_H |
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21 |
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22 #include <lemon/bits/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 |
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33 template <typename Graph, typename Enable = void> |
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34 struct NodeNotifierIndicator { |
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35 typedef InvalidType Type; |
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36 }; |
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37 template <typename Graph> |
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38 struct NodeNotifierIndicator< |
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39 Graph, |
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40 typename enable_if<typename Graph::NodeNotifier::Notifier, void>::type |
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41 > { |
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42 typedef typename Graph::NodeNotifier Type; |
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43 }; |
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44 |
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45 template <typename _Graph> |
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46 class ItemSetTraits<_Graph, typename _Graph::Node> { |
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47 public: |
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48 |
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49 typedef _Graph Graph; |
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50 |
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51 typedef typename Graph::Node Item; |
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52 typedef typename Graph::NodeIt ItemIt; |
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53 |
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54 typedef typename NodeNotifierIndicator<Graph>::Type ItemNotifier; |
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55 |
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56 template <typename _Value> |
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57 class Map : public Graph::template NodeMap<_Value> { |
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58 public: |
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59 typedef typename Graph::template NodeMap<_Value> Parent; |
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60 typedef typename Parent::Value Value; |
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61 |
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62 Map(const Graph& _graph) : Parent(_graph) {} |
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63 Map(const Graph& _graph, const Value& _value) |
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64 : Parent(_graph, _value) {} |
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65 |
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66 }; |
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67 |
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68 }; |
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69 |
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70 template <typename Graph, typename Enable = void> |
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71 struct EdgeNotifierIndicator { |
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72 typedef InvalidType Type; |
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73 }; |
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74 template <typename Graph> |
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75 struct EdgeNotifierIndicator< |
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76 Graph, |
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77 typename enable_if<typename Graph::EdgeNotifier::Notifier, void>::type |
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78 > { |
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79 typedef typename Graph::EdgeNotifier Type; |
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80 }; |
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81 |
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82 template <typename _Graph> |
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83 class ItemSetTraits<_Graph, typename _Graph::Edge> { |
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84 public: |
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85 |
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86 typedef _Graph Graph; |
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87 |
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88 typedef typename Graph::Edge Item; |
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89 typedef typename Graph::EdgeIt ItemIt; |
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90 |
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91 typedef typename EdgeNotifierIndicator<Graph>::Type ItemNotifier; |
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92 |
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93 template <typename _Value> |
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94 class Map : public Graph::template EdgeMap<_Value> { |
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95 public: |
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96 typedef typename Graph::template EdgeMap<_Value> Parent; |
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97 typedef typename Parent::Value Value; |
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98 |
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99 Map(const Graph& _graph) : Parent(_graph) {} |
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100 Map(const Graph& _graph, const Value& _value) |
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101 : Parent(_graph, _value) {} |
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102 }; |
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103 |
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104 }; |
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105 |
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106 template <typename Graph, typename Enable = void> |
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107 struct UEdgeNotifierIndicator { |
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108 typedef InvalidType Type; |
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109 }; |
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110 template <typename Graph> |
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111 struct UEdgeNotifierIndicator< |
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112 Graph, |
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113 typename enable_if<typename Graph::UEdgeNotifier::Notifier, void>::type |
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114 > { |
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115 typedef typename Graph::UEdgeNotifier Type; |
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116 }; |
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117 |
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118 template <typename _Graph> |
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119 class ItemSetTraits<_Graph, typename _Graph::UEdge> { |
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120 public: |
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121 |
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122 typedef _Graph Graph; |
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123 |
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124 typedef typename Graph::UEdge Item; |
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125 typedef typename Graph::UEdgeIt ItemIt; |
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126 |
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127 typedef typename UEdgeNotifierIndicator<Graph>::Type ItemNotifier; |
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128 |
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129 template <typename _Value> |
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130 class Map : public Graph::template UEdgeMap<_Value> { |
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131 public: |
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132 typedef typename Graph::template UEdgeMap<_Value> Parent; |
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133 typedef typename Parent::Value Value; |
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134 |
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135 Map(const Graph& _graph) : Parent(_graph) {} |
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136 Map(const Graph& _graph, const Value& _value) |
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137 : Parent(_graph, _value) {} |
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138 }; |
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139 |
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140 }; |
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141 |
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142 template <typename Graph, typename Enable = void> |
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143 struct ANodeNotifierIndicator { |
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144 typedef InvalidType Type; |
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145 }; |
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146 template <typename Graph> |
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147 struct ANodeNotifierIndicator< |
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148 Graph, |
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149 typename enable_if<typename Graph::ANodeNotifier::Notifier, void>::type |
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150 > { |
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151 typedef typename Graph::ANodeNotifier Type; |
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152 }; |
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153 |
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154 template <typename _Graph> |
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155 class ItemSetTraits<_Graph, typename _Graph::ANode> { |
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156 public: |
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157 |
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158 typedef _Graph Graph; |
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159 |
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160 typedef typename Graph::ANode Item; |
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161 typedef typename Graph::ANodeIt ItemIt; |
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162 |
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163 typedef typename ANodeNotifierIndicator<Graph>::Type ItemNotifier; |
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164 |
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165 template <typename _Value> |
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166 class Map : public Graph::template ANodeMap<_Value> { |
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167 public: |
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168 typedef typename Graph::template ANodeMap<_Value> Parent; |
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169 typedef typename Parent::Value Value; |
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170 |
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171 Map(const Graph& _graph) : Parent(_graph) {} |
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172 Map(const Graph& _graph, const Value& _value) |
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173 : Parent(_graph, _value) {} |
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174 }; |
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175 |
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176 }; |
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177 |
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178 template <typename Graph, typename Enable = void> |
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179 struct BNodeNotifierIndicator { |
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180 typedef InvalidType Type; |
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181 }; |
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182 template <typename Graph> |
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183 struct BNodeNotifierIndicator< |
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184 Graph, |
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185 typename enable_if<typename Graph::BNodeNotifier::Notifier, void>::type |
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186 > { |
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187 typedef typename Graph::BNodeNotifier Type; |
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188 }; |
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189 |
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190 template <typename _Graph> |
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191 class ItemSetTraits<_Graph, typename _Graph::BNode> { |
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192 public: |
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193 |
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194 typedef _Graph Graph; |
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195 |
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196 typedef typename Graph::BNode Item; |
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197 typedef typename Graph::BNodeIt ItemIt; |
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198 |
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199 typedef typename BNodeNotifierIndicator<Graph>::Type ItemNotifier; |
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200 |
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201 template <typename _Value> |
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202 class Map : public Graph::template BNodeMap<_Value> { |
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203 public: |
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204 typedef typename Graph::template BNodeMap<_Value> Parent; |
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205 typedef typename Parent::Value Value; |
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206 |
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207 Map(const Graph& _graph) : Parent(_graph) {} |
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208 Map(const Graph& _graph, const Value& _value) |
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209 : Parent(_graph, _value) {} |
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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 template <typename Map, typename Enable = void> |
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216 struct MapTraits { |
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217 typedef False ReferenceMapTag; |
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218 |
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219 typedef typename Map::Key Key; |
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220 typedef typename Map::Value Value; |
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221 |
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222 typedef const Value ConstReturnValue; |
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223 typedef const Value ReturnValue; |
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224 }; |
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225 |
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226 template <typename Map> |
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227 struct MapTraits< |
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228 Map, typename enable_if<typename Map::ReferenceMapTag, void>::type > |
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229 { |
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230 typedef True ReferenceMapTag; |
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231 |
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232 typedef typename Map::Key Key; |
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233 typedef typename Map::Value Value; |
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234 |
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235 typedef typename Map::ConstReference ConstReturnValue; |
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236 typedef typename Map::Reference ReturnValue; |
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237 |
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238 typedef typename Map::ConstReference ConstReference; |
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239 typedef typename Map::Reference Reference; |
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240 }; |
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241 |
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242 // Indicators for the tags |
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243 |
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244 template <typename Graph, typename Enable = void> |
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245 struct NodeNumTagIndicator { |
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246 static const bool value = false; |
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247 }; |
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248 |
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249 template <typename Graph> |
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250 struct NodeNumTagIndicator< |
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251 Graph, |
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252 typename enable_if<typename Graph::NodeNumTag, void>::type |
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253 > { |
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254 static const bool value = true; |
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255 }; |
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256 |
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257 template <typename Graph, typename Enable = void> |
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258 struct EdgeNumTagIndicator { |
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259 static const bool value = false; |
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260 }; |
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261 |
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262 template <typename Graph> |
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263 struct EdgeNumTagIndicator< |
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264 Graph, |
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265 typename enable_if<typename Graph::EdgeNumTag, void>::type |
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266 > { |
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267 static const bool value = true; |
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268 }; |
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269 |
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270 template <typename Graph, typename Enable = void> |
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271 struct FindEdgeTagIndicator { |
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272 static const bool value = false; |
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273 }; |
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274 |
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275 template <typename Graph> |
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276 struct FindEdgeTagIndicator< |
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277 Graph, |
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278 typename enable_if<typename Graph::FindEdgeTag, void>::type |
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279 > { |
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280 static const bool value = true; |
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281 }; |
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282 |
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283 template <typename Graph, typename Enable = void> |
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284 struct UndirectedTagIndicator { |
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285 static const bool value = false; |
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286 }; |
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287 |
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288 template <typename Graph> |
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289 struct UndirectedTagIndicator< |
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290 Graph, |
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291 typename enable_if<typename Graph::UndirectedTag, void>::type |
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292 > { |
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293 static const bool value = true; |
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294 }; |
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295 |
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296 |
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297 |
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298 } |
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299 |
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300 #endif // LEMON_MAPS_H |