1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
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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) 2003-2013 |
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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 | //\file |
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23 | //\brief Traits for graphs and maps |
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24 | // |
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25 | |
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26 | #include <lemon/bits/enable_if.h> |
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27 | |
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28 | namespace lemon { |
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29 | |
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30 | struct InvalidType {}; |
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31 | |
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32 | template <typename GR, typename _Item> |
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33 | class ItemSetTraits {}; |
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34 | |
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35 | |
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36 | template <typename GR, typename Enable = void> |
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37 | struct NodeNotifierIndicator { |
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38 | typedef InvalidType Type; |
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39 | }; |
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40 | template <typename GR> |
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41 | struct NodeNotifierIndicator< |
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42 | GR, |
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43 | typename enable_if<typename GR::NodeNotifier::Notifier, void>::type |
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44 | > { |
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45 | typedef typename GR::NodeNotifier Type; |
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46 | }; |
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47 | |
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48 | template <typename GR> |
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49 | class ItemSetTraits<GR, typename GR::Node> { |
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50 | public: |
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51 | |
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52 | typedef GR Graph; |
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53 | typedef GR Digraph; |
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54 | |
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55 | typedef typename GR::Node Item; |
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56 | typedef typename GR::NodeIt ItemIt; |
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57 | |
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58 | typedef typename NodeNotifierIndicator<GR>::Type ItemNotifier; |
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59 | |
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60 | template <typename V> |
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61 | class Map : public GR::template NodeMap<V> { |
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62 | typedef typename GR::template NodeMap<V> Parent; |
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63 | |
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64 | public: |
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65 | typedef typename GR::template NodeMap<V> Type; |
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66 | typedef typename Parent::Value Value; |
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67 | |
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68 | Map(const GR& _digraph) : Parent(_digraph) {} |
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69 | Map(const GR& _digraph, const Value& _value) |
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70 | : Parent(_digraph, _value) {} |
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71 | |
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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 GR, typename Enable = void> |
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77 | struct ArcNotifierIndicator { |
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78 | typedef InvalidType Type; |
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79 | }; |
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80 | template <typename GR> |
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81 | struct ArcNotifierIndicator< |
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82 | GR, |
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83 | typename enable_if<typename GR::ArcNotifier::Notifier, void>::type |
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84 | > { |
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85 | typedef typename GR::ArcNotifier Type; |
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86 | }; |
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87 | |
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88 | template <typename GR> |
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89 | class ItemSetTraits<GR, typename GR::Arc> { |
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90 | public: |
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91 | |
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92 | typedef GR Graph; |
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93 | typedef GR Digraph; |
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94 | |
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95 | typedef typename GR::Arc Item; |
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96 | typedef typename GR::ArcIt ItemIt; |
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97 | |
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98 | typedef typename ArcNotifierIndicator<GR>::Type ItemNotifier; |
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99 | |
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100 | template <typename V> |
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101 | class Map : public GR::template ArcMap<V> { |
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102 | typedef typename GR::template ArcMap<V> Parent; |
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103 | |
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104 | public: |
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105 | typedef typename GR::template ArcMap<V> Type; |
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106 | typedef typename Parent::Value Value; |
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107 | |
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108 | Map(const GR& _digraph) : Parent(_digraph) {} |
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109 | Map(const GR& _digraph, const Value& _value) |
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110 | : Parent(_digraph, _value) {} |
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111 | }; |
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112 | |
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113 | }; |
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114 | |
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115 | template <typename GR, typename Enable = void> |
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116 | struct EdgeNotifierIndicator { |
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117 | typedef InvalidType Type; |
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118 | }; |
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119 | template <typename GR> |
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120 | struct EdgeNotifierIndicator< |
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121 | GR, |
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122 | typename enable_if<typename GR::EdgeNotifier::Notifier, void>::type |
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123 | > { |
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124 | typedef typename GR::EdgeNotifier Type; |
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125 | }; |
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126 | |
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127 | template <typename GR> |
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128 | class ItemSetTraits<GR, typename GR::Edge> { |
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129 | public: |
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130 | |
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131 | typedef GR Graph; |
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132 | typedef GR Digraph; |
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133 | |
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134 | typedef typename GR::Edge Item; |
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135 | typedef typename GR::EdgeIt ItemIt; |
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136 | |
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137 | typedef typename EdgeNotifierIndicator<GR>::Type ItemNotifier; |
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138 | |
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139 | template <typename V> |
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140 | class Map : public GR::template EdgeMap<V> { |
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141 | typedef typename GR::template EdgeMap<V> Parent; |
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142 | |
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143 | public: |
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144 | typedef typename GR::template EdgeMap<V> Type; |
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145 | typedef typename Parent::Value Value; |
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146 | |
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147 | Map(const GR& _digraph) : Parent(_digraph) {} |
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148 | Map(const GR& _digraph, const Value& _value) |
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149 | : Parent(_digraph, _value) {} |
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150 | }; |
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151 | |
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152 | }; |
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153 | |
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154 | template <typename GR, typename Enable = void> |
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155 | struct RedNodeNotifierIndicator { |
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156 | typedef InvalidType Type; |
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157 | }; |
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158 | template <typename GR> |
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159 | struct RedNodeNotifierIndicator< |
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160 | GR, |
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161 | typename enable_if<typename GR::RedNodeNotifier::Notifier, void>::type |
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162 | > { |
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163 | typedef typename GR::RedNodeNotifier Type; |
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164 | }; |
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165 | |
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166 | template <typename GR> |
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167 | class ItemSetTraits<GR, typename GR::RedNode> { |
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168 | public: |
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169 | |
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170 | typedef GR BpGraph; |
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171 | typedef GR Graph; |
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172 | typedef GR Digraph; |
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173 | |
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174 | typedef typename GR::RedNode Item; |
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175 | typedef typename GR::RedNodeIt ItemIt; |
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176 | |
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177 | typedef typename RedNodeNotifierIndicator<GR>::Type ItemNotifier; |
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178 | |
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179 | template <typename V> |
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180 | class Map : public GR::template RedNodeMap<V> { |
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181 | typedef typename GR::template RedNodeMap<V> Parent; |
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182 | |
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183 | public: |
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184 | typedef typename GR::template RedNodeMap<V> Type; |
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185 | typedef typename Parent::Value Value; |
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186 | |
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187 | Map(const GR& _bpgraph) : Parent(_bpgraph) {} |
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188 | Map(const GR& _bpgraph, const Value& _value) |
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189 | : Parent(_bpgraph, _value) {} |
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190 | |
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191 | }; |
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192 | |
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193 | }; |
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194 | |
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195 | template <typename GR, typename Enable = void> |
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196 | struct BlueNodeNotifierIndicator { |
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197 | typedef InvalidType Type; |
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198 | }; |
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199 | template <typename GR> |
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200 | struct BlueNodeNotifierIndicator< |
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201 | GR, |
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202 | typename enable_if<typename GR::BlueNodeNotifier::Notifier, void>::type |
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203 | > { |
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204 | typedef typename GR::BlueNodeNotifier Type; |
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205 | }; |
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206 | |
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207 | template <typename GR> |
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208 | class ItemSetTraits<GR, typename GR::BlueNode> { |
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209 | public: |
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210 | |
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211 | typedef GR BpGraph; |
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212 | typedef GR Graph; |
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213 | typedef GR Digraph; |
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214 | |
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215 | typedef typename GR::BlueNode Item; |
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216 | typedef typename GR::BlueNodeIt ItemIt; |
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217 | |
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218 | typedef typename BlueNodeNotifierIndicator<GR>::Type ItemNotifier; |
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219 | |
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220 | template <typename V> |
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221 | class Map : public GR::template BlueNodeMap<V> { |
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222 | typedef typename GR::template BlueNodeMap<V> Parent; |
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223 | |
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224 | public: |
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225 | typedef typename GR::template BlueNodeMap<V> Type; |
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226 | typedef typename Parent::Value Value; |
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227 | |
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228 | Map(const GR& _bpgraph) : Parent(_bpgraph) {} |
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229 | Map(const GR& _bpgraph, const Value& _value) |
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230 | : Parent(_bpgraph, _value) {} |
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231 | |
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232 | }; |
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233 | |
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234 | }; |
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235 | |
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236 | template <typename Map, typename Enable = void> |
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237 | struct MapTraits { |
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238 | typedef False ReferenceMapTag; |
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239 | |
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240 | typedef typename Map::Key Key; |
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241 | typedef typename Map::Value Value; |
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242 | |
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243 | typedef Value ConstReturnValue; |
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244 | typedef Value ReturnValue; |
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245 | }; |
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246 | |
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247 | template <typename Map> |
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248 | struct MapTraits< |
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249 | Map, typename enable_if<typename Map::ReferenceMapTag, void>::type > |
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250 | { |
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251 | typedef True ReferenceMapTag; |
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252 | |
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253 | typedef typename Map::Key Key; |
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254 | typedef typename Map::Value Value; |
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255 | |
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256 | typedef typename Map::ConstReference ConstReturnValue; |
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257 | typedef typename Map::Reference ReturnValue; |
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258 | |
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259 | typedef typename Map::ConstReference ConstReference; |
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260 | typedef typename Map::Reference Reference; |
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261 | }; |
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262 | |
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263 | template <typename MatrixMap, typename Enable = void> |
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264 | struct MatrixMapTraits { |
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265 | typedef False ReferenceMapTag; |
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266 | |
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267 | typedef typename MatrixMap::FirstKey FirstKey; |
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268 | typedef typename MatrixMap::SecondKey SecondKey; |
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269 | typedef typename MatrixMap::Value Value; |
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270 | |
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271 | typedef Value ConstReturnValue; |
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272 | typedef Value ReturnValue; |
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273 | }; |
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274 | |
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275 | template <typename MatrixMap> |
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276 | struct MatrixMapTraits< |
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277 | MatrixMap, typename enable_if<typename MatrixMap::ReferenceMapTag, |
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278 | void>::type > |
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279 | { |
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280 | typedef True ReferenceMapTag; |
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281 | |
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282 | typedef typename MatrixMap::FirstKey FirstKey; |
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283 | typedef typename MatrixMap::SecondKey SecondKey; |
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284 | typedef typename MatrixMap::Value Value; |
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285 | |
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286 | typedef typename MatrixMap::ConstReference ConstReturnValue; |
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287 | typedef typename MatrixMap::Reference ReturnValue; |
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288 | |
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289 | typedef typename MatrixMap::ConstReference ConstReference; |
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290 | typedef typename MatrixMap::Reference Reference; |
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291 | }; |
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292 | |
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293 | // Indicators for the tags |
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294 | |
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295 | template <typename GR, typename Enable = void> |
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296 | struct NodeNumTagIndicator { |
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297 | static const bool value = false; |
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298 | }; |
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299 | |
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300 | template <typename GR> |
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301 | struct NodeNumTagIndicator< |
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302 | GR, |
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303 | typename enable_if<typename GR::NodeNumTag, void>::type |
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304 | > { |
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305 | static const bool value = true; |
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306 | }; |
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307 | |
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308 | template <typename GR, typename Enable = void> |
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309 | struct ArcNumTagIndicator { |
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310 | static const bool value = false; |
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311 | }; |
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312 | |
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313 | template <typename GR> |
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314 | struct ArcNumTagIndicator< |
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315 | GR, |
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316 | typename enable_if<typename GR::ArcNumTag, void>::type |
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317 | > { |
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318 | static const bool value = true; |
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319 | }; |
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320 | |
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321 | template <typename GR, typename Enable = void> |
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322 | struct EdgeNumTagIndicator { |
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323 | static const bool value = false; |
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324 | }; |
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325 | |
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326 | template <typename GR> |
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327 | struct EdgeNumTagIndicator< |
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328 | GR, |
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329 | typename enable_if<typename GR::EdgeNumTag, void>::type |
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330 | > { |
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331 | static const bool value = true; |
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332 | }; |
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333 | |
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334 | template <typename GR, typename Enable = void> |
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335 | struct FindArcTagIndicator { |
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336 | static const bool value = false; |
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337 | }; |
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338 | |
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339 | template <typename GR> |
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340 | struct FindArcTagIndicator< |
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341 | GR, |
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342 | typename enable_if<typename GR::FindArcTag, void>::type |
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343 | > { |
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344 | static const bool value = true; |
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345 | }; |
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346 | |
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347 | template <typename GR, typename Enable = void> |
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348 | struct FindEdgeTagIndicator { |
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349 | static const bool value = false; |
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350 | }; |
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351 | |
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352 | template <typename GR> |
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353 | struct FindEdgeTagIndicator< |
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354 | GR, |
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355 | typename enable_if<typename GR::FindEdgeTag, void>::type |
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356 | > { |
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357 | static const bool value = true; |
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358 | }; |
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359 | |
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360 | template <typename GR, typename Enable = void> |
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361 | struct UndirectedTagIndicator { |
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362 | static const bool value = false; |
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363 | }; |
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364 | |
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365 | template <typename GR> |
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366 | struct UndirectedTagIndicator< |
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367 | GR, |
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368 | typename enable_if<typename GR::UndirectedTag, void>::type |
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369 | > { |
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370 | static const bool value = true; |
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371 | }; |
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372 | |
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373 | template <typename GR, typename Enable = void> |
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374 | struct BuildTagIndicator { |
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375 | static const bool value = false; |
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376 | }; |
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377 | |
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378 | template <typename GR> |
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379 | struct BuildTagIndicator< |
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380 | GR, |
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381 | typename enable_if<typename GR::BuildTag, void>::type |
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382 | > { |
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383 | static const bool value = true; |
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384 | }; |
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385 | |
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386 | } |
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387 | |
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388 | #endif |
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