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_GRAPH_EXTENDER_H |
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20 | #define LEMON_GRAPH_EXTENDER_H |
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21 | |
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22 | #include <lemon/invalid.h> |
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23 | #include <lemon/error.h> |
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24 | |
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25 | #include <lemon/bits/default_map.h> |
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26 | |
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27 | namespace lemon { |
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28 | |
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29 | template <typename Base> |
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30 | class GraphExtender : public Base { |
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31 | public: |
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32 | |
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33 | typedef Base Parent; |
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34 | typedef GraphExtender Graph; |
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35 | |
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36 | // Base extensions |
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37 | |
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38 | typedef typename Parent::Node Node; |
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39 | typedef typename Parent::Edge Edge; |
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40 | |
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41 | int maxId(Node) const { |
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42 | return Parent::maxNodeId(); |
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43 | } |
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44 | |
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45 | int maxId(Edge) const { |
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46 | return Parent::maxEdgeId(); |
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47 | } |
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48 | |
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49 | Node fromId(int id, Node) const { |
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50 | return Parent::nodeFromId(id); |
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51 | } |
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52 | |
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53 | Edge fromId(int id, Edge) const { |
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54 | return Parent::edgeFromId(id); |
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55 | } |
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56 | |
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57 | Node oppositeNode(const Node &n, const Edge &e) const { |
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58 | if (n == Parent::source(e)) |
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59 | return Parent::target(e); |
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60 | else if(n==Parent::target(e)) |
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61 | return Parent::source(e); |
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62 | else |
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63 | return INVALID; |
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64 | } |
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65 | |
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66 | // Alterable extension |
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67 | |
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68 | typedef AlterationNotifier<Node> NodeNotifier; |
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69 | typedef AlterationNotifier<Edge> EdgeNotifier; |
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70 | |
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71 | |
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72 | protected: |
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73 | |
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74 | mutable NodeNotifier node_notifier; |
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75 | mutable EdgeNotifier edge_notifier; |
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76 | |
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77 | public: |
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78 | |
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79 | NodeNotifier& getNotifier(Node) const { |
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80 | return node_notifier; |
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81 | } |
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82 | |
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83 | EdgeNotifier& getNotifier(Edge) const { |
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84 | return edge_notifier; |
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85 | } |
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86 | |
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87 | class NodeIt : public Node { |
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88 | const Graph* graph; |
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89 | public: |
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90 | |
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91 | NodeIt() {} |
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92 | |
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93 | NodeIt(Invalid i) : Node(i) { } |
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94 | |
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95 | explicit NodeIt(const Graph& _graph) : graph(&_graph) { |
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96 | _graph.first(*static_cast<Node*>(this)); |
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97 | } |
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98 | |
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99 | NodeIt(const Graph& _graph, const Node& node) |
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100 | : Node(node), graph(&_graph) {} |
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101 | |
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102 | NodeIt& operator++() { |
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103 | graph->next(*this); |
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104 | return *this; |
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105 | } |
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106 | |
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107 | }; |
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108 | |
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109 | |
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110 | class EdgeIt : public Edge { |
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111 | const Graph* graph; |
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112 | public: |
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113 | |
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114 | EdgeIt() { } |
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115 | |
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116 | EdgeIt(Invalid i) : Edge(i) { } |
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117 | |
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118 | explicit EdgeIt(const Graph& _graph) : graph(&_graph) { |
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119 | _graph.first(*static_cast<Edge*>(this)); |
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120 | } |
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121 | |
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122 | EdgeIt(const Graph& _graph, const Edge& e) : |
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123 | Edge(e), graph(&_graph) { } |
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124 | |
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125 | EdgeIt& operator++() { |
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126 | graph->next(*this); |
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127 | return *this; |
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128 | } |
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129 | |
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130 | }; |
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131 | |
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132 | |
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133 | class OutEdgeIt : public Edge { |
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134 | const Graph* graph; |
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135 | public: |
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136 | |
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137 | OutEdgeIt() { } |
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138 | |
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139 | OutEdgeIt(Invalid i) : Edge(i) { } |
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140 | |
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141 | OutEdgeIt(const Graph& _graph, const Node& node) |
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142 | : graph(&_graph) { |
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143 | _graph.firstOut(*this, node); |
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144 | } |
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145 | |
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146 | OutEdgeIt(const Graph& _graph, const Edge& edge) |
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147 | : Edge(edge), graph(&_graph) {} |
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148 | |
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149 | OutEdgeIt& operator++() { |
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150 | graph->nextOut(*this); |
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151 | return *this; |
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152 | } |
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153 | |
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154 | }; |
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155 | |
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156 | |
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157 | class InEdgeIt : public Edge { |
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158 | const Graph* graph; |
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159 | public: |
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160 | |
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161 | InEdgeIt() { } |
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162 | |
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163 | InEdgeIt(Invalid i) : Edge(i) { } |
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164 | |
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165 | InEdgeIt(const Graph& _graph, const Node& node) |
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166 | : graph(&_graph) { |
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167 | _graph.firstIn(*this, node); |
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168 | } |
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169 | |
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170 | InEdgeIt(const Graph& _graph, const Edge& edge) : |
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171 | Edge(edge), graph(&_graph) {} |
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172 | |
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173 | InEdgeIt& operator++() { |
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174 | graph->nextIn(*this); |
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175 | return *this; |
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176 | } |
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177 | |
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178 | }; |
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179 | |
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180 | /// \brief Base node of the iterator |
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181 | /// |
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182 | /// Returns the base node (ie. the source in this case) of the iterator |
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183 | Node baseNode(const OutEdgeIt &e) const { |
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184 | return Parent::source(e); |
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185 | } |
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186 | /// \brief Running node of the iterator |
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187 | /// |
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188 | /// Returns the running node (ie. the target in this case) of the |
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189 | /// iterator |
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190 | Node runningNode(const OutEdgeIt &e) const { |
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191 | return Parent::target(e); |
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192 | } |
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193 | |
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194 | /// \brief Base node of the iterator |
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195 | /// |
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196 | /// Returns the base node (ie. the target in this case) of the iterator |
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197 | Node baseNode(const InEdgeIt &e) const { |
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198 | return Parent::target(e); |
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199 | } |
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200 | /// \brief Running node of the iterator |
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201 | /// |
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202 | /// Returns the running node (ie. the source in this case) of the |
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203 | /// iterator |
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204 | Node runningNode(const InEdgeIt &e) const { |
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205 | return Parent::source(e); |
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206 | } |
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207 | |
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208 | |
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209 | template <typename _Value> |
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210 | class NodeMap |
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211 | : public IterableMapExtender<DefaultMap<Graph, Node, _Value> > { |
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212 | public: |
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213 | typedef GraphExtender Graph; |
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214 | typedef IterableMapExtender<DefaultMap<Graph, Node, _Value> > Parent; |
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215 | |
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216 | NodeMap(const Graph& _g) |
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217 | : Parent(_g) {} |
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218 | NodeMap(const Graph& _g, const _Value& _v) |
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219 | : Parent(_g, _v) {} |
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220 | |
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221 | NodeMap& operator=(const NodeMap& cmap) { |
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222 | return operator=<NodeMap>(cmap); |
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223 | } |
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224 | |
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225 | |
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226 | /// \brief Template assign operator. |
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227 | /// |
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228 | /// The given parameter should be conform to the ReadMap |
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229 | /// concecpt and could be indiced by the current item set of |
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230 | /// the NodeMap. In this case the value for each item |
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231 | /// is assigned by the value of the given ReadMap. |
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232 | template <typename CMap> |
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233 | NodeMap& operator=(const CMap& cmap) { |
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234 | checkConcept<concept::ReadMap<Node, _Value>, CMap>(); |
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235 | const typename Parent::Graph* graph = Parent::getGraph(); |
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236 | Node it; |
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237 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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238 | Parent::set(it, cmap[it]); |
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239 | } |
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240 | return *this; |
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241 | } |
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242 | |
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243 | }; |
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244 | |
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245 | template <typename _Value> |
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246 | class EdgeMap |
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247 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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248 | public: |
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249 | typedef GraphExtender Graph; |
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250 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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251 | |
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252 | EdgeMap(const Graph& _g) |
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253 | : Parent(_g) {} |
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254 | EdgeMap(const Graph& _g, const _Value& _v) |
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255 | : Parent(_g, _v) {} |
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256 | |
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257 | EdgeMap& operator=(const EdgeMap& cmap) { |
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258 | return operator=<EdgeMap>(cmap); |
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259 | } |
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260 | |
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261 | template <typename CMap> |
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262 | EdgeMap& operator=(const CMap& cmap) { |
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263 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
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264 | const typename Parent::Graph* graph = Parent::getGraph(); |
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265 | Edge it; |
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266 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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267 | Parent::set(it, cmap[it]); |
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268 | } |
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269 | return *this; |
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270 | } |
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271 | }; |
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272 | |
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273 | |
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274 | Node addNode() { |
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275 | Node node = Parent::addNode(); |
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276 | getNotifier(Node()).add(node); |
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277 | return node; |
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278 | } |
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279 | |
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280 | Edge addEdge(const Node& from, const Node& to) { |
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281 | Edge edge = Parent::addEdge(from, to); |
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282 | getNotifier(Edge()).add(edge); |
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283 | return edge; |
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284 | } |
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285 | |
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286 | void clear() { |
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287 | getNotifier(Edge()).clear(); |
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288 | getNotifier(Node()).clear(); |
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289 | Parent::clear(); |
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290 | } |
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291 | |
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292 | |
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293 | void erase(const Node& node) { |
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294 | Edge edge; |
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295 | Parent::firstOut(edge, node); |
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296 | while (edge != INVALID ) { |
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297 | erase(edge); |
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298 | Parent::firstOut(edge, node); |
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299 | } |
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300 | |
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301 | Parent::firstIn(edge, node); |
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302 | while (edge != INVALID ) { |
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303 | erase(edge); |
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304 | Parent::firstIn(edge, node); |
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305 | } |
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306 | |
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307 | getNotifier(Node()).erase(node); |
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308 | Parent::erase(node); |
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309 | } |
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310 | |
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311 | void erase(const Edge& edge) { |
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312 | getNotifier(Edge()).erase(edge); |
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313 | Parent::erase(edge); |
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314 | } |
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315 | |
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316 | |
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317 | ~GraphExtender() { |
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318 | getNotifier(Edge()).clear(); |
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319 | getNotifier(Node()).clear(); |
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320 | } |
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321 | }; |
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322 | |
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323 | template <typename Base> |
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324 | class UGraphBaseExtender : public Base { |
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325 | |
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326 | public: |
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327 | |
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328 | typedef Base Parent; |
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329 | typedef typename Parent::Edge UEdge; |
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330 | typedef typename Parent::Node Node; |
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331 | |
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332 | typedef True UndirectedTag; |
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333 | |
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334 | class Edge : public UEdge { |
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335 | friend class UGraphBaseExtender; |
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336 | |
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337 | protected: |
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338 | bool forward; |
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339 | |
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340 | Edge(const UEdge &ue, bool _forward) : |
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341 | UEdge(ue), forward(_forward) {} |
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342 | |
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343 | public: |
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344 | Edge() {} |
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345 | |
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346 | /// Invalid edge constructor |
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347 | Edge(Invalid i) : UEdge(i), forward(true) {} |
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348 | |
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349 | bool operator==(const Edge &that) const { |
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350 | return forward==that.forward && UEdge(*this)==UEdge(that); |
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351 | } |
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352 | bool operator!=(const Edge &that) const { |
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353 | return forward!=that.forward || UEdge(*this)!=UEdge(that); |
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354 | } |
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355 | bool operator<(const Edge &that) const { |
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356 | return forward<that.forward || |
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357 | (!(that.forward<forward) && UEdge(*this)<UEdge(that)); |
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358 | } |
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359 | }; |
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360 | |
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361 | |
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362 | |
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363 | using Parent::source; |
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364 | |
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365 | /// Source of the given Edge. |
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366 | Node source(const Edge &e) const { |
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367 | return e.forward ? Parent::source(e) : Parent::target(e); |
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368 | } |
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369 | |
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370 | using Parent::target; |
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371 | |
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372 | /// Target of the given Edge. |
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373 | Node target(const Edge &e) const { |
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374 | return e.forward ? Parent::target(e) : Parent::source(e); |
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375 | } |
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376 | |
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377 | /// \brief Directed edge from an undirected edge. |
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378 | /// |
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379 | /// Returns a directed edge corresponding to the specified UEdge. |
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380 | /// If the given bool is true the given undirected edge and the |
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381 | /// returned edge have the same source node. |
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382 | static Edge direct(const UEdge &ue, bool d) { |
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383 | return Edge(ue, d); |
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384 | } |
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385 | |
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386 | /// Returns whether the given directed edge is same orientation as the |
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387 | /// corresponding undirected edge. |
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388 | /// |
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389 | /// \todo reference to the corresponding point of the undirected graph |
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390 | /// concept. "What does the direction of an undirected edge mean?" |
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391 | static bool direction(const Edge &e) { return e.forward; } |
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392 | |
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393 | |
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394 | using Parent::first; |
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395 | using Parent::next; |
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396 | |
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397 | void first(Edge &e) const { |
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398 | Parent::first(e); |
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399 | e.forward=true; |
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400 | } |
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401 | |
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402 | void next(Edge &e) const { |
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403 | if( e.forward ) { |
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404 | e.forward = false; |
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405 | } |
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406 | else { |
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407 | Parent::next(e); |
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408 | e.forward = true; |
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409 | } |
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410 | } |
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411 | |
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412 | void firstOut(Edge &e, const Node &n) const { |
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413 | Parent::firstIn(e,n); |
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414 | if( UEdge(e) != INVALID ) { |
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415 | e.forward = false; |
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416 | } |
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417 | else { |
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418 | Parent::firstOut(e,n); |
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419 | e.forward = true; |
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420 | } |
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421 | } |
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422 | void nextOut(Edge &e) const { |
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423 | if( ! e.forward ) { |
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424 | Node n = Parent::target(e); |
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425 | Parent::nextIn(e); |
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426 | if( UEdge(e) == INVALID ) { |
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427 | Parent::firstOut(e, n); |
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428 | e.forward = true; |
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429 | } |
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430 | } |
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431 | else { |
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432 | Parent::nextOut(e); |
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433 | } |
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434 | } |
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435 | |
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436 | void firstIn(Edge &e, const Node &n) const { |
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437 | Parent::firstOut(e,n); |
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438 | if( UEdge(e) != INVALID ) { |
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439 | e.forward = false; |
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440 | } |
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441 | else { |
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442 | Parent::firstIn(e,n); |
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443 | e.forward = true; |
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444 | } |
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445 | } |
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446 | void nextIn(Edge &e) const { |
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447 | if( ! e.forward ) { |
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448 | Node n = Parent::source(e); |
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449 | Parent::nextOut(e); |
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450 | if( UEdge(e) == INVALID ) { |
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451 | Parent::firstIn(e, n); |
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452 | e.forward = true; |
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453 | } |
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454 | } |
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455 | else { |
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456 | Parent::nextIn(e); |
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457 | } |
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458 | } |
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459 | |
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460 | void firstInc(UEdge &e, bool &d, const Node &n) const { |
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461 | d = true; |
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462 | Parent::firstOut(e, n); |
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463 | if (e != INVALID) return; |
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464 | d = false; |
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465 | Parent::firstIn(e, n); |
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466 | } |
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467 | |
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468 | void nextInc(UEdge &e, bool &d) const { |
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469 | if (d) { |
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470 | Node s = Parent::source(e); |
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471 | Parent::nextOut(e); |
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472 | if (e != INVALID) return; |
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473 | d = false; |
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474 | Parent::firstIn(e, s); |
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475 | } else { |
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476 | Parent::nextIn(e); |
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477 | } |
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478 | } |
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479 | |
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480 | Node nodeFromId(int id) const { |
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481 | return Parent::nodeFromId(id); |
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482 | } |
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483 | |
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484 | Edge edgeFromId(int id) const { |
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485 | return direct(Parent::edgeFromId(id >> 1), bool(id & 1)); |
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486 | } |
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487 | |
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488 | UEdge uEdgeFromId(int id) const { |
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489 | return Parent::edgeFromId(id >> 1); |
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490 | } |
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491 | |
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492 | int id(const Node &n) const { |
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493 | return Parent::id(n); |
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494 | } |
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495 | |
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496 | int id(const UEdge &e) const { |
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497 | return Parent::id(e); |
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498 | } |
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499 | |
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500 | int id(const Edge &e) const { |
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501 | return 2 * Parent::id(e) + int(e.forward); |
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502 | } |
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503 | |
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504 | int maxNodeId() const { |
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505 | return Parent::maxNodeId(); |
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506 | } |
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507 | |
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508 | int maxEdgeId() const { |
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509 | return 2 * Parent::maxEdgeId() + 1; |
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510 | } |
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511 | |
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512 | int maxUEdgeId() const { |
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513 | return Parent::maxEdgeId(); |
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514 | } |
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515 | |
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516 | |
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517 | int edgeNum() const { |
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518 | return 2 * Parent::edgeNum(); |
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519 | } |
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520 | |
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521 | int uEdgeNum() const { |
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522 | return Parent::edgeNum(); |
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523 | } |
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524 | |
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525 | Edge findEdge(Node source, Node target, Edge prev) const { |
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526 | if (prev == INVALID) { |
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527 | UEdge edge = Parent::findEdge(source, target); |
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528 | if (edge != INVALID) return direct(edge, true); |
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529 | edge = Parent::findEdge(target, source); |
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530 | if (edge != INVALID) return direct(edge, false); |
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531 | } else if (direction(prev)) { |
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532 | UEdge edge = Parent::findEdge(source, target, prev); |
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533 | if (edge != INVALID) return direct(edge, true); |
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534 | edge = Parent::findEdge(target, source); |
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535 | if (edge != INVALID) return direct(edge, false); |
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536 | } else { |
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537 | UEdge edge = Parent::findEdge(target, source, prev); |
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538 | if (edge != INVALID) return direct(edge, false); |
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539 | } |
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540 | return INVALID; |
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541 | } |
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542 | |
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543 | UEdge findUEdge(Node source, Node target, UEdge prev) const { |
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544 | if (prev == INVALID) { |
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545 | UEdge edge = Parent::findEdge(source, target); |
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546 | if (edge != INVALID) return edge; |
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547 | edge = Parent::findEdge(target, source); |
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548 | if (edge != INVALID) return edge; |
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549 | } else if (Parent::source(prev) == source) { |
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550 | UEdge edge = Parent::findEdge(source, target, prev); |
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551 | if (edge != INVALID) return edge; |
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552 | edge = Parent::findEdge(target, source); |
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553 | if (edge != INVALID) return edge; |
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554 | } else { |
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555 | UEdge edge = Parent::findEdge(target, source, prev); |
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556 | if (edge != INVALID) return edge; |
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557 | } |
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558 | return INVALID; |
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559 | } |
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560 | }; |
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561 | |
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562 | |
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563 | template <typename Base> |
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564 | class UGraphExtender : public Base { |
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565 | public: |
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566 | |
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567 | typedef Base Parent; |
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568 | typedef UGraphExtender Graph; |
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569 | |
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570 | typedef typename Parent::Node Node; |
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571 | typedef typename Parent::Edge Edge; |
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572 | typedef typename Parent::UEdge UEdge; |
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573 | |
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574 | // UGraph extension |
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575 | |
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576 | int maxId(Node) const { |
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577 | return Parent::maxNodeId(); |
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578 | } |
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579 | |
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580 | int maxId(Edge) const { |
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581 | return Parent::maxEdgeId(); |
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582 | } |
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583 | |
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584 | int maxId(UEdge) const { |
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585 | return Parent::maxUEdgeId(); |
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586 | } |
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587 | |
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588 | Node fromId(int id, Node) const { |
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589 | return Parent::nodeFromId(id); |
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590 | } |
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591 | |
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592 | Edge fromId(int id, Edge) const { |
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593 | return Parent::edgeFromId(id); |
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594 | } |
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595 | |
---|
596 | UEdge fromId(int id, UEdge) const { |
---|
597 | return Parent::uEdgeFromId(id); |
---|
598 | } |
---|
599 | |
---|
600 | Node oppositeNode(const Node &n, const UEdge &e) const { |
---|
601 | if( n == Parent::source(e)) |
---|
602 | return Parent::target(e); |
---|
603 | else if( n == Parent::target(e)) |
---|
604 | return Parent::source(e); |
---|
605 | else |
---|
606 | return INVALID; |
---|
607 | } |
---|
608 | |
---|
609 | Edge oppositeEdge(const Edge &e) const { |
---|
610 | return Parent::direct(e, !Parent::direction(e)); |
---|
611 | } |
---|
612 | |
---|
613 | using Parent::direct; |
---|
614 | Edge direct(const UEdge &ue, const Node &s) const { |
---|
615 | return Parent::direct(ue, Parent::source(ue) == s); |
---|
616 | } |
---|
617 | |
---|
618 | // Alterable extension |
---|
619 | |
---|
620 | typedef AlterationNotifier<Node> NodeNotifier; |
---|
621 | typedef AlterationNotifier<Edge> EdgeNotifier; |
---|
622 | typedef AlterationNotifier<UEdge> UEdgeNotifier; |
---|
623 | |
---|
624 | |
---|
625 | protected: |
---|
626 | |
---|
627 | mutable NodeNotifier node_notifier; |
---|
628 | mutable EdgeNotifier edge_notifier; |
---|
629 | mutable UEdgeNotifier uedge_notifier; |
---|
630 | |
---|
631 | public: |
---|
632 | |
---|
633 | NodeNotifier& getNotifier(Node) const { |
---|
634 | return node_notifier; |
---|
635 | } |
---|
636 | |
---|
637 | EdgeNotifier& getNotifier(Edge) const { |
---|
638 | return edge_notifier; |
---|
639 | } |
---|
640 | |
---|
641 | UEdgeNotifier& getNotifier(UEdge) const { |
---|
642 | return uedge_notifier; |
---|
643 | } |
---|
644 | |
---|
645 | |
---|
646 | |
---|
647 | class NodeIt : public Node { |
---|
648 | const Graph* graph; |
---|
649 | public: |
---|
650 | |
---|
651 | NodeIt() {} |
---|
652 | |
---|
653 | NodeIt(Invalid i) : Node(i) { } |
---|
654 | |
---|
655 | explicit NodeIt(const Graph& _graph) : graph(&_graph) { |
---|
656 | _graph.first(*static_cast<Node*>(this)); |
---|
657 | } |
---|
658 | |
---|
659 | NodeIt(const Graph& _graph, const Node& node) |
---|
660 | : Node(node), graph(&_graph) {} |
---|
661 | |
---|
662 | NodeIt& operator++() { |
---|
663 | graph->next(*this); |
---|
664 | return *this; |
---|
665 | } |
---|
666 | |
---|
667 | }; |
---|
668 | |
---|
669 | |
---|
670 | class EdgeIt : public Edge { |
---|
671 | const Graph* graph; |
---|
672 | public: |
---|
673 | |
---|
674 | EdgeIt() { } |
---|
675 | |
---|
676 | EdgeIt(Invalid i) : Edge(i) { } |
---|
677 | |
---|
678 | explicit EdgeIt(const Graph& _graph) : graph(&_graph) { |
---|
679 | _graph.first(*static_cast<Edge*>(this)); |
---|
680 | } |
---|
681 | |
---|
682 | EdgeIt(const Graph& _graph, const Edge& e) : |
---|
683 | Edge(e), graph(&_graph) { } |
---|
684 | |
---|
685 | EdgeIt& operator++() { |
---|
686 | graph->next(*this); |
---|
687 | return *this; |
---|
688 | } |
---|
689 | |
---|
690 | }; |
---|
691 | |
---|
692 | |
---|
693 | class OutEdgeIt : public Edge { |
---|
694 | const Graph* graph; |
---|
695 | public: |
---|
696 | |
---|
697 | OutEdgeIt() { } |
---|
698 | |
---|
699 | OutEdgeIt(Invalid i) : Edge(i) { } |
---|
700 | |
---|
701 | OutEdgeIt(const Graph& _graph, const Node& node) |
---|
702 | : graph(&_graph) { |
---|
703 | _graph.firstOut(*this, node); |
---|
704 | } |
---|
705 | |
---|
706 | OutEdgeIt(const Graph& _graph, const Edge& edge) |
---|
707 | : Edge(edge), graph(&_graph) {} |
---|
708 | |
---|
709 | OutEdgeIt& operator++() { |
---|
710 | graph->nextOut(*this); |
---|
711 | return *this; |
---|
712 | } |
---|
713 | |
---|
714 | }; |
---|
715 | |
---|
716 | |
---|
717 | class InEdgeIt : public Edge { |
---|
718 | const Graph* graph; |
---|
719 | public: |
---|
720 | |
---|
721 | InEdgeIt() { } |
---|
722 | |
---|
723 | InEdgeIt(Invalid i) : Edge(i) { } |
---|
724 | |
---|
725 | InEdgeIt(const Graph& _graph, const Node& node) |
---|
726 | : graph(&_graph) { |
---|
727 | _graph.firstIn(*this, node); |
---|
728 | } |
---|
729 | |
---|
730 | InEdgeIt(const Graph& _graph, const Edge& edge) : |
---|
731 | Edge(edge), graph(&_graph) {} |
---|
732 | |
---|
733 | InEdgeIt& operator++() { |
---|
734 | graph->nextIn(*this); |
---|
735 | return *this; |
---|
736 | } |
---|
737 | |
---|
738 | }; |
---|
739 | |
---|
740 | |
---|
741 | class UEdgeIt : public Parent::UEdge { |
---|
742 | const Graph* graph; |
---|
743 | public: |
---|
744 | |
---|
745 | UEdgeIt() { } |
---|
746 | |
---|
747 | UEdgeIt(Invalid i) : UEdge(i) { } |
---|
748 | |
---|
749 | explicit UEdgeIt(const Graph& _graph) : graph(&_graph) { |
---|
750 | _graph.first(*static_cast<UEdge*>(this)); |
---|
751 | } |
---|
752 | |
---|
753 | UEdgeIt(const Graph& _graph, const UEdge& e) : |
---|
754 | UEdge(e), graph(&_graph) { } |
---|
755 | |
---|
756 | UEdgeIt& operator++() { |
---|
757 | graph->next(*this); |
---|
758 | return *this; |
---|
759 | } |
---|
760 | |
---|
761 | }; |
---|
762 | |
---|
763 | class IncEdgeIt : public Parent::UEdge { |
---|
764 | friend class UGraphExtender; |
---|
765 | const Graph* graph; |
---|
766 | bool direction; |
---|
767 | public: |
---|
768 | |
---|
769 | IncEdgeIt() { } |
---|
770 | |
---|
771 | IncEdgeIt(Invalid i) : UEdge(i), direction(false) { } |
---|
772 | |
---|
773 | IncEdgeIt(const Graph& _graph, const Node &n) : graph(&_graph) { |
---|
774 | _graph.firstInc(*this, direction, n); |
---|
775 | } |
---|
776 | |
---|
777 | IncEdgeIt(const Graph& _graph, const UEdge &ue, const Node &n) |
---|
778 | : graph(&_graph), UEdge(ue) { |
---|
779 | direction = (_graph.source(ue) == n); |
---|
780 | } |
---|
781 | |
---|
782 | IncEdgeIt& operator++() { |
---|
783 | graph->nextInc(*this, direction); |
---|
784 | return *this; |
---|
785 | } |
---|
786 | }; |
---|
787 | |
---|
788 | /// \brief Base node of the iterator |
---|
789 | /// |
---|
790 | /// Returns the base node (ie. the source in this case) of the iterator |
---|
791 | Node baseNode(const OutEdgeIt &e) const { |
---|
792 | return Parent::source((Edge)e); |
---|
793 | } |
---|
794 | /// \brief Running node of the iterator |
---|
795 | /// |
---|
796 | /// Returns the running node (ie. the target in this case) of the |
---|
797 | /// iterator |
---|
798 | Node runningNode(const OutEdgeIt &e) const { |
---|
799 | return Parent::target((Edge)e); |
---|
800 | } |
---|
801 | |
---|
802 | /// \brief Base node of the iterator |
---|
803 | /// |
---|
804 | /// Returns the base node (ie. the target in this case) of the iterator |
---|
805 | Node baseNode(const InEdgeIt &e) const { |
---|
806 | return Parent::target((Edge)e); |
---|
807 | } |
---|
808 | /// \brief Running node of the iterator |
---|
809 | /// |
---|
810 | /// Returns the running node (ie. the source in this case) of the |
---|
811 | /// iterator |
---|
812 | Node runningNode(const InEdgeIt &e) const { |
---|
813 | return Parent::source((Edge)e); |
---|
814 | } |
---|
815 | |
---|
816 | /// Base node of the iterator |
---|
817 | /// |
---|
818 | /// Returns the base node of the iterator |
---|
819 | Node baseNode(const IncEdgeIt &e) const { |
---|
820 | return e.direction ? source(e) : target(e); |
---|
821 | } |
---|
822 | /// Running node of the iterator |
---|
823 | /// |
---|
824 | /// Returns the running node of the iterator |
---|
825 | Node runningNode(const IncEdgeIt &e) const { |
---|
826 | return e.direction ? target(e) : source(e); |
---|
827 | } |
---|
828 | |
---|
829 | // Mappable extension |
---|
830 | |
---|
831 | template <typename _Value> |
---|
832 | class NodeMap |
---|
833 | : public IterableMapExtender<DefaultMap<Graph, Node, _Value> > { |
---|
834 | public: |
---|
835 | typedef UGraphExtender Graph; |
---|
836 | typedef IterableMapExtender<DefaultMap<Graph, Node, _Value> > Parent; |
---|
837 | |
---|
838 | NodeMap(const Graph& _g) |
---|
839 | : Parent(_g) {} |
---|
840 | NodeMap(const Graph& _g, const _Value& _v) |
---|
841 | : Parent(_g, _v) {} |
---|
842 | |
---|
843 | NodeMap& operator=(const NodeMap& cmap) { |
---|
844 | return operator=<NodeMap>(cmap); |
---|
845 | } |
---|
846 | |
---|
847 | |
---|
848 | /// \brief Template assign operator. |
---|
849 | /// |
---|
850 | /// The given parameter should be conform to the ReadMap |
---|
851 | /// concecpt and could be indiced by the current item set of |
---|
852 | /// the NodeMap. In this case the value for each item |
---|
853 | /// is assigned by the value of the given ReadMap. |
---|
854 | template <typename CMap> |
---|
855 | NodeMap& operator=(const CMap& cmap) { |
---|
856 | checkConcept<concept::ReadMap<Node, _Value>, CMap>(); |
---|
857 | const typename Parent::Graph* graph = Parent::getGraph(); |
---|
858 | Node it; |
---|
859 | for (graph->first(it); it != INVALID; graph->next(it)) { |
---|
860 | Parent::set(it, cmap[it]); |
---|
861 | } |
---|
862 | return *this; |
---|
863 | } |
---|
864 | |
---|
865 | }; |
---|
866 | |
---|
867 | template <typename _Value> |
---|
868 | class EdgeMap |
---|
869 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
---|
870 | public: |
---|
871 | typedef UGraphExtender Graph; |
---|
872 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
---|
873 | |
---|
874 | EdgeMap(const Graph& _g) |
---|
875 | : Parent(_g) {} |
---|
876 | EdgeMap(const Graph& _g, const _Value& _v) |
---|
877 | : Parent(_g, _v) {} |
---|
878 | |
---|
879 | EdgeMap& operator=(const EdgeMap& cmap) { |
---|
880 | return operator=<EdgeMap>(cmap); |
---|
881 | } |
---|
882 | |
---|
883 | template <typename CMap> |
---|
884 | EdgeMap& operator=(const CMap& cmap) { |
---|
885 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
---|
886 | const typename Parent::Graph* graph = Parent::getGraph(); |
---|
887 | Edge it; |
---|
888 | for (graph->first(it); it != INVALID; graph->next(it)) { |
---|
889 | Parent::set(it, cmap[it]); |
---|
890 | } |
---|
891 | return *this; |
---|
892 | } |
---|
893 | }; |
---|
894 | |
---|
895 | |
---|
896 | template <typename _Value> |
---|
897 | class UEdgeMap |
---|
898 | : public IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > { |
---|
899 | public: |
---|
900 | typedef UGraphExtender Graph; |
---|
901 | typedef IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > Parent; |
---|
902 | |
---|
903 | UEdgeMap(const Graph& _g) |
---|
904 | : Parent(_g) {} |
---|
905 | UEdgeMap(const Graph& _g, const _Value& _v) |
---|
906 | : Parent(_g, _v) {} |
---|
907 | |
---|
908 | UEdgeMap& operator=(const UEdgeMap& cmap) { |
---|
909 | return operator=<UEdgeMap>(cmap); |
---|
910 | } |
---|
911 | |
---|
912 | template <typename CMap> |
---|
913 | UEdgeMap& operator=(const CMap& cmap) { |
---|
914 | checkConcept<concept::ReadMap<UEdge, _Value>, CMap>(); |
---|
915 | const typename Parent::Graph* graph = Parent::getGraph(); |
---|
916 | UEdge it; |
---|
917 | for (graph->first(it); it != INVALID; graph->next(it)) { |
---|
918 | Parent::set(it, cmap[it]); |
---|
919 | } |
---|
920 | return *this; |
---|
921 | } |
---|
922 | }; |
---|
923 | |
---|
924 | // Alteration extension |
---|
925 | |
---|
926 | Node addNode() { |
---|
927 | Node node = Parent::addNode(); |
---|
928 | getNotifier(Node()).add(node); |
---|
929 | return node; |
---|
930 | } |
---|
931 | |
---|
932 | UEdge addEdge(const Node& from, const Node& to) { |
---|
933 | UEdge uedge = Parent::addEdge(from, to); |
---|
934 | getNotifier(UEdge()).add(uedge); |
---|
935 | getNotifier(Edge()).add(Parent::direct(uedge, true)); |
---|
936 | getNotifier(Edge()).add(Parent::direct(uedge, false)); |
---|
937 | return uedge; |
---|
938 | } |
---|
939 | |
---|
940 | void clear() { |
---|
941 | getNotifier(Edge()).clear(); |
---|
942 | getNotifier(UEdge()).clear(); |
---|
943 | getNotifier(Node()).clear(); |
---|
944 | Parent::clear(); |
---|
945 | } |
---|
946 | |
---|
947 | void erase(const Node& node) { |
---|
948 | Edge edge; |
---|
949 | Parent::firstOut(edge, node); |
---|
950 | while (edge != INVALID ) { |
---|
951 | erase(edge); |
---|
952 | Parent::firstOut(edge, node); |
---|
953 | } |
---|
954 | |
---|
955 | Parent::firstIn(edge, node); |
---|
956 | while (edge != INVALID ) { |
---|
957 | erase(edge); |
---|
958 | Parent::firstIn(edge, node); |
---|
959 | } |
---|
960 | |
---|
961 | getNotifier(Node()).erase(node); |
---|
962 | Parent::erase(node); |
---|
963 | } |
---|
964 | |
---|
965 | void erase(const UEdge& uedge) { |
---|
966 | getNotifier(Edge()).erase(Parent::direct(uedge, true)); |
---|
967 | getNotifier(Edge()).erase(Parent::direct(uedge, false)); |
---|
968 | getNotifier(UEdge()).erase(uedge); |
---|
969 | Parent::erase(uedge); |
---|
970 | } |
---|
971 | |
---|
972 | ~UGraphExtender() { |
---|
973 | getNotifier(Edge()).clear(); |
---|
974 | getNotifier(UEdge()).clear(); |
---|
975 | getNotifier(Node()).clear(); |
---|
976 | } |
---|
977 | |
---|
978 | }; |
---|
979 | |
---|
980 | |
---|
981 | template <typename Base> |
---|
982 | class BpUGraphBaseExtender : public Base { |
---|
983 | public: |
---|
984 | typedef Base Parent; |
---|
985 | typedef BpUGraphBaseExtender Graph; |
---|
986 | |
---|
987 | typedef typename Parent::Node Node; |
---|
988 | typedef typename Parent::Edge UEdge; |
---|
989 | |
---|
990 | |
---|
991 | using Parent::first; |
---|
992 | using Parent::next; |
---|
993 | |
---|
994 | using Parent::id; |
---|
995 | |
---|
996 | class ANode : public Node { |
---|
997 | friend class BpUGraphBaseExtender; |
---|
998 | public: |
---|
999 | ANode() {} |
---|
1000 | ANode(const Node& node) : Node(node) { |
---|
1001 | LEMON_ASSERT(Parent::aNode(node) || node == INVALID, |
---|
1002 | typename Parent::NodeSetError()); |
---|
1003 | } |
---|
1004 | ANode(Invalid) : Node(INVALID) {} |
---|
1005 | }; |
---|
1006 | |
---|
1007 | void first(ANode& node) const { |
---|
1008 | Parent::firstANode(static_cast<Node&>(node)); |
---|
1009 | } |
---|
1010 | void next(ANode& node) const { |
---|
1011 | Parent::nextANode(static_cast<Node&>(node)); |
---|
1012 | } |
---|
1013 | |
---|
1014 | int id(const ANode& node) const { |
---|
1015 | return Parent::aNodeId(node); |
---|
1016 | } |
---|
1017 | |
---|
1018 | class BNode : public Node { |
---|
1019 | friend class BpUGraphBaseExtender; |
---|
1020 | public: |
---|
1021 | BNode() {} |
---|
1022 | BNode(const Node& node) : Node(node) { |
---|
1023 | LEMON_ASSERT(Parent::bNode(node) || node == INVALID, |
---|
1024 | typename Parent::NodeSetError()); |
---|
1025 | } |
---|
1026 | BNode(Invalid) : Node(INVALID) {} |
---|
1027 | }; |
---|
1028 | |
---|
1029 | void first(BNode& node) const { |
---|
1030 | Parent::firstBNode(static_cast<Node&>(node)); |
---|
1031 | } |
---|
1032 | void next(BNode& node) const { |
---|
1033 | Parent::nextBNode(static_cast<Node&>(node)); |
---|
1034 | } |
---|
1035 | |
---|
1036 | int id(const BNode& node) const { |
---|
1037 | return Parent::aNodeId(node); |
---|
1038 | } |
---|
1039 | |
---|
1040 | Node source(const UEdge& edge) const { |
---|
1041 | return aNode(edge); |
---|
1042 | } |
---|
1043 | Node target(const UEdge& edge) const { |
---|
1044 | return bNode(edge); |
---|
1045 | } |
---|
1046 | |
---|
1047 | void firstInc(UEdge& edge, bool& direction, const Node& node) const { |
---|
1048 | if (Parent::aNode(node)) { |
---|
1049 | Parent::firstOut(edge, node); |
---|
1050 | direction = true; |
---|
1051 | } else { |
---|
1052 | Parent::firstIn(edge, node); |
---|
1053 | direction = static_cast<UEdge&>(edge) == INVALID; |
---|
1054 | } |
---|
1055 | } |
---|
1056 | void nextInc(UEdge& edge, bool& direction) const { |
---|
1057 | if (direction) { |
---|
1058 | Parent::nextOut(edge); |
---|
1059 | } else { |
---|
1060 | Parent::nextIn(edge); |
---|
1061 | if (edge == INVALID) direction = true; |
---|
1062 | } |
---|
1063 | } |
---|
1064 | |
---|
1065 | int maxUEdgeId() const { |
---|
1066 | return Parent::maxEdgeId(); |
---|
1067 | } |
---|
1068 | |
---|
1069 | UEdge uEdgeFromId(int id) const { |
---|
1070 | return Parent::edgeFromId(id); |
---|
1071 | } |
---|
1072 | |
---|
1073 | class Edge : public UEdge { |
---|
1074 | friend class BpUGraphBaseExtender; |
---|
1075 | protected: |
---|
1076 | bool forward; |
---|
1077 | |
---|
1078 | Edge(const UEdge& edge, bool _forward) |
---|
1079 | : UEdge(edge), forward(_forward) {} |
---|
1080 | |
---|
1081 | public: |
---|
1082 | Edge() {} |
---|
1083 | Edge (Invalid) : UEdge(INVALID), forward(true) {} |
---|
1084 | bool operator==(const Edge& i) const { |
---|
1085 | return UEdge::operator==(i) && forward == i.forward; |
---|
1086 | } |
---|
1087 | bool operator!=(const Edge& i) const { |
---|
1088 | return UEdge::operator!=(i) || forward != i.forward; |
---|
1089 | } |
---|
1090 | bool operator<(const Edge& i) const { |
---|
1091 | return UEdge::operator<(i) || |
---|
1092 | (!(i.forward<forward) && UEdge(*this)<UEdge(i)); |
---|
1093 | } |
---|
1094 | }; |
---|
1095 | |
---|
1096 | void first(Edge& edge) const { |
---|
1097 | Parent::first(static_cast<UEdge&>(edge)); |
---|
1098 | edge.forward = true; |
---|
1099 | } |
---|
1100 | |
---|
1101 | void next(Edge& edge) const { |
---|
1102 | if (!edge.forward) { |
---|
1103 | Parent::next(static_cast<UEdge&>(edge)); |
---|
1104 | } |
---|
1105 | edge.forward = !edge.forward; |
---|
1106 | } |
---|
1107 | |
---|
1108 | void firstOut(Edge& edge, const Node& node) const { |
---|
1109 | if (Parent::aNode(node)) { |
---|
1110 | Parent::firstOut(edge, node); |
---|
1111 | edge.forward = true; |
---|
1112 | } else { |
---|
1113 | Parent::firstIn(edge, node); |
---|
1114 | edge.forward = static_cast<UEdge&>(edge) == INVALID; |
---|
1115 | } |
---|
1116 | } |
---|
1117 | void nextOut(Edge& edge) const { |
---|
1118 | if (edge.forward) { |
---|
1119 | Parent::nextOut(edge); |
---|
1120 | } else { |
---|
1121 | Parent::nextIn(edge); |
---|
1122 | edge.forward = static_cast<UEdge&>(edge) == INVALID; |
---|
1123 | } |
---|
1124 | } |
---|
1125 | |
---|
1126 | void firstIn(Edge& edge, const Node& node) const { |
---|
1127 | if (Parent::bNode(node)) { |
---|
1128 | Parent::firstIn(edge, node); |
---|
1129 | edge.forward = true; |
---|
1130 | } else { |
---|
1131 | Parent::firstOut(edge, node); |
---|
1132 | edge.forward = static_cast<UEdge&>(edge) == INVALID; |
---|
1133 | } |
---|
1134 | } |
---|
1135 | void nextIn(Edge& edge) const { |
---|
1136 | if (edge.forward) { |
---|
1137 | Parent::nextIn(edge); |
---|
1138 | } else { |
---|
1139 | Parent::nextOut(edge); |
---|
1140 | edge.forward = static_cast<UEdge&>(edge) == INVALID; |
---|
1141 | } |
---|
1142 | } |
---|
1143 | |
---|
1144 | Node source(const Edge& edge) const { |
---|
1145 | return edge.forward ? Parent::aNode(edge) : Parent::bNode(edge); |
---|
1146 | } |
---|
1147 | Node target(const Edge& edge) const { |
---|
1148 | return edge.forward ? Parent::bNode(edge) : Parent::aNode(edge); |
---|
1149 | } |
---|
1150 | |
---|
1151 | int id(const Edge& edge) const { |
---|
1152 | return (Parent::id(edge) << 1) + (edge.forward ? 0 : 1); |
---|
1153 | } |
---|
1154 | Edge edgeFromId(int id) const { |
---|
1155 | return Edge(Parent::fromId(id >> 1, UEdge()), (id & 1) == 0); |
---|
1156 | } |
---|
1157 | int maxEdgeId() const { |
---|
1158 | return (Parent::maxId(UEdge()) << 1) + 1; |
---|
1159 | } |
---|
1160 | |
---|
1161 | bool direction(const Edge& edge) const { |
---|
1162 | return edge.forward; |
---|
1163 | } |
---|
1164 | |
---|
1165 | Edge direct(const UEdge& edge, bool direction) const { |
---|
1166 | return Edge(edge, direction); |
---|
1167 | } |
---|
1168 | }; |
---|
1169 | |
---|
1170 | template <typename Base> |
---|
1171 | class BpUGraphExtender : public Base { |
---|
1172 | public: |
---|
1173 | typedef Base Parent; |
---|
1174 | typedef BpUGraphExtender Graph; |
---|
1175 | |
---|
1176 | typedef typename Parent::Node Node; |
---|
1177 | typedef typename Parent::BNode BNode; |
---|
1178 | typedef typename Parent::ANode ANode; |
---|
1179 | typedef typename Parent::Edge Edge; |
---|
1180 | typedef typename Parent::UEdge UEdge; |
---|
1181 | |
---|
1182 | Node oppositeNode(const UEdge& edge, const Node& node) const { |
---|
1183 | return source(edge) == node ? |
---|
1184 | target(edge) : source(edge); |
---|
1185 | } |
---|
1186 | |
---|
1187 | using Parent::direct; |
---|
1188 | Edge direct(const UEdge& edge, const Node& node) const { |
---|
1189 | return Edge(edge, node == Parent::source(edge)); |
---|
1190 | } |
---|
1191 | |
---|
1192 | Edge oppositeEdge(const Edge& edge) const { |
---|
1193 | return Parent::direct(edge, !Parent::direction(edge)); |
---|
1194 | } |
---|
1195 | |
---|
1196 | |
---|
1197 | int maxId(Node) const { |
---|
1198 | return Parent::maxNodeId(); |
---|
1199 | } |
---|
1200 | int maxId(BNode) const { |
---|
1201 | return Parent::maxBNodeId(); |
---|
1202 | } |
---|
1203 | int maxId(ANode) const { |
---|
1204 | return Parent::maxANodeId(); |
---|
1205 | } |
---|
1206 | int maxId(Edge) const { |
---|
1207 | return Parent::maxEdgeId(); |
---|
1208 | } |
---|
1209 | int maxId(UEdge) const { |
---|
1210 | return Parent::maxUEdgeId(); |
---|
1211 | } |
---|
1212 | |
---|
1213 | |
---|
1214 | Node fromId(int id, Node) const { |
---|
1215 | return Parent::nodeFromId(id); |
---|
1216 | } |
---|
1217 | ANode fromId(int id, ANode) const { |
---|
1218 | return Parent::fromANodeId(id); |
---|
1219 | } |
---|
1220 | BNode fromId(int id, BNode) const { |
---|
1221 | return Parent::fromBNodeId(id); |
---|
1222 | } |
---|
1223 | Edge fromId(int id, Edge) const { |
---|
1224 | return Parent::edgeFromId(id); |
---|
1225 | } |
---|
1226 | UEdge fromId(int id, UEdge) const { |
---|
1227 | return Parent::uEdgeFromId(id); |
---|
1228 | } |
---|
1229 | |
---|
1230 | typedef AlterationNotifier<Node> NodeNotifier; |
---|
1231 | typedef AlterationNotifier<BNode> BNodeNotifier; |
---|
1232 | typedef AlterationNotifier<ANode> ANodeNotifier; |
---|
1233 | typedef AlterationNotifier<Edge> EdgeNotifier; |
---|
1234 | typedef AlterationNotifier<UEdge> UEdgeNotifier; |
---|
1235 | |
---|
1236 | protected: |
---|
1237 | |
---|
1238 | mutable NodeNotifier nodeNotifier; |
---|
1239 | mutable BNodeNotifier bNodeNotifier; |
---|
1240 | mutable ANodeNotifier aNodeNotifier; |
---|
1241 | mutable EdgeNotifier edgeNotifier; |
---|
1242 | mutable UEdgeNotifier uEdgeNotifier; |
---|
1243 | |
---|
1244 | public: |
---|
1245 | |
---|
1246 | NodeNotifier& getNotifier(Node) const { |
---|
1247 | return nodeNotifier; |
---|
1248 | } |
---|
1249 | |
---|
1250 | BNodeNotifier& getNotifier(BNode) const { |
---|
1251 | return bNodeNotifier; |
---|
1252 | } |
---|
1253 | |
---|
1254 | ANodeNotifier& getNotifier(ANode) const { |
---|
1255 | return aNodeNotifier; |
---|
1256 | } |
---|
1257 | |
---|
1258 | EdgeNotifier& getNotifier(Edge) const { |
---|
1259 | return edgeNotifier; |
---|
1260 | } |
---|
1261 | |
---|
1262 | UEdgeNotifier& getNotifier(UEdge) const { |
---|
1263 | return uEdgeNotifier; |
---|
1264 | } |
---|
1265 | |
---|
1266 | class NodeIt : public Node { |
---|
1267 | const Graph* graph; |
---|
1268 | public: |
---|
1269 | |
---|
1270 | NodeIt() { } |
---|
1271 | |
---|
1272 | NodeIt(Invalid i) : Node(INVALID) { } |
---|
1273 | |
---|
1274 | explicit NodeIt(const Graph& _graph) : graph(&_graph) { |
---|
1275 | graph->first(static_cast<Node&>(*this)); |
---|
1276 | } |
---|
1277 | |
---|
1278 | NodeIt(const Graph& _graph, const Node& node) |
---|
1279 | : Node(node), graph(&_graph) { } |
---|
1280 | |
---|
1281 | NodeIt& operator++() { |
---|
1282 | graph->next(*this); |
---|
1283 | return *this; |
---|
1284 | } |
---|
1285 | |
---|
1286 | }; |
---|
1287 | |
---|
1288 | class ANodeIt : public Node { |
---|
1289 | friend class BpUGraphExtender; |
---|
1290 | const Graph* graph; |
---|
1291 | public: |
---|
1292 | |
---|
1293 | ANodeIt() { } |
---|
1294 | |
---|
1295 | ANodeIt(Invalid i) : Node(INVALID) { } |
---|
1296 | |
---|
1297 | explicit ANodeIt(const Graph& _graph) : graph(&_graph) { |
---|
1298 | graph->firstANode(static_cast<Node&>(*this)); |
---|
1299 | } |
---|
1300 | |
---|
1301 | ANodeIt(const Graph& _graph, const Node& node) |
---|
1302 | : Node(node), graph(&_graph) {} |
---|
1303 | |
---|
1304 | ANodeIt& operator++() { |
---|
1305 | graph->nextANode(*this); |
---|
1306 | return *this; |
---|
1307 | } |
---|
1308 | }; |
---|
1309 | |
---|
1310 | class BNodeIt : public Node { |
---|
1311 | friend class BpUGraphExtender; |
---|
1312 | const Graph* graph; |
---|
1313 | public: |
---|
1314 | |
---|
1315 | BNodeIt() { } |
---|
1316 | |
---|
1317 | BNodeIt(Invalid i) : Node(INVALID) { } |
---|
1318 | |
---|
1319 | explicit BNodeIt(const Graph& _graph) : graph(&_graph) { |
---|
1320 | graph->firstBNode(static_cast<Node&>(*this)); |
---|
1321 | } |
---|
1322 | |
---|
1323 | BNodeIt(const Graph& _graph, const Node& node) |
---|
1324 | : Node(node), graph(&_graph) {} |
---|
1325 | |
---|
1326 | BNodeIt& operator++() { |
---|
1327 | graph->nextBNode(*this); |
---|
1328 | return *this; |
---|
1329 | } |
---|
1330 | }; |
---|
1331 | |
---|
1332 | class EdgeIt : public Edge { |
---|
1333 | friend class BpUGraphExtender; |
---|
1334 | const Graph* graph; |
---|
1335 | public: |
---|
1336 | |
---|
1337 | EdgeIt() { } |
---|
1338 | |
---|
1339 | EdgeIt(Invalid i) : Edge(INVALID) { } |
---|
1340 | |
---|
1341 | explicit EdgeIt(const Graph& _graph) : graph(&_graph) { |
---|
1342 | graph->first(static_cast<Edge&>(*this)); |
---|
1343 | } |
---|
1344 | |
---|
1345 | EdgeIt(const Graph& _graph, const Edge& edge) |
---|
1346 | : Edge(edge), graph(&_graph) { } |
---|
1347 | |
---|
1348 | EdgeIt& operator++() { |
---|
1349 | graph->next(*this); |
---|
1350 | return *this; |
---|
1351 | } |
---|
1352 | |
---|
1353 | }; |
---|
1354 | |
---|
1355 | class UEdgeIt : public UEdge { |
---|
1356 | friend class BpUGraphExtender; |
---|
1357 | const Graph* graph; |
---|
1358 | public: |
---|
1359 | |
---|
1360 | UEdgeIt() { } |
---|
1361 | |
---|
1362 | UEdgeIt(Invalid i) : UEdge(INVALID) { } |
---|
1363 | |
---|
1364 | explicit UEdgeIt(const Graph& _graph) : graph(&_graph) { |
---|
1365 | graph->first(static_cast<UEdge&>(*this)); |
---|
1366 | } |
---|
1367 | |
---|
1368 | UEdgeIt(const Graph& _graph, const UEdge& edge) |
---|
1369 | : UEdge(edge), graph(&_graph) { } |
---|
1370 | |
---|
1371 | UEdgeIt& operator++() { |
---|
1372 | graph->next(*this); |
---|
1373 | return *this; |
---|
1374 | } |
---|
1375 | }; |
---|
1376 | |
---|
1377 | class OutEdgeIt : public Edge { |
---|
1378 | friend class BpUGraphExtender; |
---|
1379 | const Graph* graph; |
---|
1380 | public: |
---|
1381 | |
---|
1382 | OutEdgeIt() { } |
---|
1383 | |
---|
1384 | OutEdgeIt(Invalid i) : Edge(i) { } |
---|
1385 | |
---|
1386 | OutEdgeIt(const Graph& _graph, const Node& node) |
---|
1387 | : graph(&_graph) { |
---|
1388 | graph->firstOut(*this, node); |
---|
1389 | } |
---|
1390 | |
---|
1391 | OutEdgeIt(const Graph& _graph, const Edge& edge) |
---|
1392 | : Edge(edge), graph(&_graph) {} |
---|
1393 | |
---|
1394 | OutEdgeIt& operator++() { |
---|
1395 | graph->nextOut(*this); |
---|
1396 | return *this; |
---|
1397 | } |
---|
1398 | |
---|
1399 | }; |
---|
1400 | |
---|
1401 | |
---|
1402 | class InEdgeIt : public Edge { |
---|
1403 | friend class BpUGraphExtender; |
---|
1404 | const Graph* graph; |
---|
1405 | public: |
---|
1406 | |
---|
1407 | InEdgeIt() { } |
---|
1408 | |
---|
1409 | InEdgeIt(Invalid i) : Edge(i) { } |
---|
1410 | |
---|
1411 | InEdgeIt(const Graph& _graph, const Node& node) |
---|
1412 | : graph(&_graph) { |
---|
1413 | graph->firstIn(*this, node); |
---|
1414 | } |
---|
1415 | |
---|
1416 | InEdgeIt(const Graph& _graph, const Edge& edge) : |
---|
1417 | Edge(edge), graph(&_graph) {} |
---|
1418 | |
---|
1419 | InEdgeIt& operator++() { |
---|
1420 | graph->nextIn(*this); |
---|
1421 | return *this; |
---|
1422 | } |
---|
1423 | |
---|
1424 | }; |
---|
1425 | |
---|
1426 | /// \brief Base node of the iterator |
---|
1427 | /// |
---|
1428 | /// Returns the base node (ie. the source in this case) of the iterator |
---|
1429 | Node baseNode(const OutEdgeIt &e) const { |
---|
1430 | return Parent::source((Edge&)e); |
---|
1431 | } |
---|
1432 | /// \brief Running node of the iterator |
---|
1433 | /// |
---|
1434 | /// Returns the running node (ie. the target in this case) of the |
---|
1435 | /// iterator |
---|
1436 | Node runningNode(const OutEdgeIt &e) const { |
---|
1437 | return Parent::target((Edge&)e); |
---|
1438 | } |
---|
1439 | |
---|
1440 | /// \brief Base node of the iterator |
---|
1441 | /// |
---|
1442 | /// Returns the base node (ie. the target in this case) of the iterator |
---|
1443 | Node baseNode(const InEdgeIt &e) const { |
---|
1444 | return Parent::target((Edge&)e); |
---|
1445 | } |
---|
1446 | /// \brief Running node of the iterator |
---|
1447 | /// |
---|
1448 | /// Returns the running node (ie. the source in this case) of the |
---|
1449 | /// iterator |
---|
1450 | Node runningNode(const InEdgeIt &e) const { |
---|
1451 | return Parent::source((Edge&)e); |
---|
1452 | } |
---|
1453 | |
---|
1454 | class IncEdgeIt : public Parent::UEdge { |
---|
1455 | friend class BpUGraphExtender; |
---|
1456 | const Graph* graph; |
---|
1457 | bool direction; |
---|
1458 | public: |
---|
1459 | |
---|
1460 | IncEdgeIt() { } |
---|
1461 | |
---|
1462 | IncEdgeIt(Invalid i) : UEdge(i), direction(true) { } |
---|
1463 | |
---|
1464 | IncEdgeIt(const Graph& _graph, const Node &n) : graph(&_graph) { |
---|
1465 | graph->firstInc(*this, direction, n); |
---|
1466 | } |
---|
1467 | |
---|
1468 | IncEdgeIt(const Graph& _graph, const UEdge &ue, const Node &n) |
---|
1469 | : graph(&_graph), UEdge(ue) { |
---|
1470 | direction = (graph->source(ue) == n); |
---|
1471 | } |
---|
1472 | |
---|
1473 | IncEdgeIt& operator++() { |
---|
1474 | graph->nextInc(*this, direction); |
---|
1475 | return *this; |
---|
1476 | } |
---|
1477 | }; |
---|
1478 | |
---|
1479 | |
---|
1480 | /// Base node of the iterator |
---|
1481 | /// |
---|
1482 | /// Returns the base node of the iterator |
---|
1483 | Node baseNode(const IncEdgeIt &e) const { |
---|
1484 | return e.direction ? source(e) : target(e); |
---|
1485 | } |
---|
1486 | |
---|
1487 | /// Running node of the iterator |
---|
1488 | /// |
---|
1489 | /// Returns the running node of the iterator |
---|
1490 | Node runningNode(const IncEdgeIt &e) const { |
---|
1491 | return e.direction ? target(e) : source(e); |
---|
1492 | } |
---|
1493 | |
---|
1494 | template <typename _Value> |
---|
1495 | class ANodeMap |
---|
1496 | : public IterableMapExtender<DefaultMap<Graph, ANode, _Value> > { |
---|
1497 | public: |
---|
1498 | typedef BpUGraphExtender Graph; |
---|
1499 | typedef IterableMapExtender<DefaultMap<Graph, ANode, _Value> > |
---|
1500 | Parent; |
---|
1501 | |
---|
1502 | ANodeMap(const Graph& _g) |
---|
1503 | : Parent(_g) {} |
---|
1504 | ANodeMap(const Graph& _g, const _Value& _v) |
---|
1505 | : Parent(_g, _v) {} |
---|
1506 | |
---|
1507 | ANodeMap& operator=(const ANodeMap& cmap) { |
---|
1508 | return operator=<ANodeMap>(cmap); |
---|
1509 | } |
---|
1510 | |
---|
1511 | |
---|
1512 | /// \brief Template assign operator. |
---|
1513 | /// |
---|
1514 | /// The given parameter should be conform to the ReadMap |
---|
1515 | /// concept and could be indiced by the current item set of |
---|
1516 | /// the ANodeMap. In this case the value for each item |
---|
1517 | /// is assigned by the value of the given ReadMap. |
---|
1518 | template <typename CMap> |
---|
1519 | ANodeMap& operator=(const CMap& cmap) { |
---|
1520 | checkConcept<concept::ReadMap<ANode, _Value>, CMap>(); |
---|
1521 | const typename Parent::Graph* graph = Parent::getGraph(); |
---|
1522 | ANode it; |
---|
1523 | for (graph->first(it); it != INVALID; graph->next(it)) { |
---|
1524 | Parent::set(it, cmap[it]); |
---|
1525 | } |
---|
1526 | return *this; |
---|
1527 | } |
---|
1528 | |
---|
1529 | }; |
---|
1530 | |
---|
1531 | template <typename _Value> |
---|
1532 | class BNodeMap |
---|
1533 | : public IterableMapExtender<DefaultMap<Graph, BNode, _Value> > { |
---|
1534 | public: |
---|
1535 | typedef BpUGraphExtender Graph; |
---|
1536 | typedef IterableMapExtender<DefaultMap<Graph, BNode, _Value> > |
---|
1537 | Parent; |
---|
1538 | |
---|
1539 | BNodeMap(const Graph& _g) |
---|
1540 | : Parent(_g) {} |
---|
1541 | BNodeMap(const Graph& _g, const _Value& _v) |
---|
1542 | : Parent(_g, _v) {} |
---|
1543 | |
---|
1544 | BNodeMap& operator=(const BNodeMap& cmap) { |
---|
1545 | return operator=<BNodeMap>(cmap); |
---|
1546 | } |
---|
1547 | |
---|
1548 | |
---|
1549 | /// \brief Template assign operator. |
---|
1550 | /// |
---|
1551 | /// The given parameter should be conform to the ReadMap |
---|
1552 | /// concept and could be indiced by the current item set of |
---|
1553 | /// the BNodeMap. In this case the value for each item |
---|
1554 | /// is assigned by the value of the given ReadMap. |
---|
1555 | template <typename CMap> |
---|
1556 | BNodeMap& operator=(const CMap& cmap) { |
---|
1557 | checkConcept<concept::ReadMap<BNode, _Value>, CMap>(); |
---|
1558 | const typename Parent::Graph* graph = Parent::getGraph(); |
---|
1559 | BNode it; |
---|
1560 | for (graph->first(it); it != INVALID; graph->next(it)) { |
---|
1561 | Parent::set(it, cmap[it]); |
---|
1562 | } |
---|
1563 | return *this; |
---|
1564 | } |
---|
1565 | |
---|
1566 | }; |
---|
1567 | |
---|
1568 | protected: |
---|
1569 | |
---|
1570 | template <typename _Value> |
---|
1571 | class NodeMapBase : public NodeNotifier::ObserverBase { |
---|
1572 | public: |
---|
1573 | typedef BpUGraphExtender Graph; |
---|
1574 | |
---|
1575 | typedef Node Key; |
---|
1576 | typedef _Value Value; |
---|
1577 | |
---|
1578 | /// The reference type of the map; |
---|
1579 | typedef typename BNodeMap<_Value>::Reference Reference; |
---|
1580 | /// The pointer type of the map; |
---|
1581 | typedef typename BNodeMap<_Value>::Pointer Pointer; |
---|
1582 | |
---|
1583 | /// The const value type of the map. |
---|
1584 | typedef const Value ConstValue; |
---|
1585 | /// The const reference type of the map; |
---|
1586 | typedef typename BNodeMap<_Value>::ConstReference ConstReference; |
---|
1587 | /// The pointer type of the map; |
---|
1588 | typedef typename BNodeMap<_Value>::ConstPointer ConstPointer; |
---|
1589 | |
---|
1590 | typedef True ReferenceMapTag; |
---|
1591 | |
---|
1592 | NodeMapBase(const Graph& _g) |
---|
1593 | : graph(&_g), bNodeMap(_g), aNodeMap(_g) { |
---|
1594 | NodeNotifier::ObserverBase::attach(_g.getNotifier(Node())); |
---|
1595 | } |
---|
1596 | NodeMapBase(const Graph& _g, const _Value& _v) |
---|
1597 | : graph(&_g), bNodeMap(_g, _v), |
---|
1598 | aNodeMap(_g, _v) { |
---|
1599 | NodeNotifier::ObserverBase::attach(_g.getNotifier(Node())); |
---|
1600 | } |
---|
1601 | |
---|
1602 | virtual ~NodeMapBase() { |
---|
1603 | if (NodeNotifier::ObserverBase::attached()) { |
---|
1604 | NodeNotifier::ObserverBase::detach(); |
---|
1605 | } |
---|
1606 | } |
---|
1607 | |
---|
1608 | ConstReference operator[](const Key& node) const { |
---|
1609 | if (Parent::aNode(node)) { |
---|
1610 | return aNodeMap[node]; |
---|
1611 | } else { |
---|
1612 | return bNodeMap[node]; |
---|
1613 | } |
---|
1614 | } |
---|
1615 | |
---|
1616 | Reference operator[](const Key& node) { |
---|
1617 | if (Parent::aNode(node)) { |
---|
1618 | return aNodeMap[node]; |
---|
1619 | } else { |
---|
1620 | return bNodeMap[node]; |
---|
1621 | } |
---|
1622 | } |
---|
1623 | |
---|
1624 | void set(const Key& node, const Value& value) { |
---|
1625 | if (Parent::aNode(node)) { |
---|
1626 | aNodeMap.set(node, value); |
---|
1627 | } else { |
---|
1628 | bNodeMap.set(node, value); |
---|
1629 | } |
---|
1630 | } |
---|
1631 | |
---|
1632 | protected: |
---|
1633 | |
---|
1634 | virtual void add(const Node&) {} |
---|
1635 | virtual void add(const std::vector<Node>&) {} |
---|
1636 | virtual void erase(const Node&) {} |
---|
1637 | virtual void erase(const std::vector<Node>&) {} |
---|
1638 | virtual void clear() {} |
---|
1639 | virtual void build() {} |
---|
1640 | |
---|
1641 | const Graph* getGraph() const { return graph; } |
---|
1642 | |
---|
1643 | private: |
---|
1644 | const Graph* graph; |
---|
1645 | BNodeMap<_Value> bNodeMap; |
---|
1646 | ANodeMap<_Value> aNodeMap; |
---|
1647 | }; |
---|
1648 | |
---|
1649 | public: |
---|
1650 | |
---|
1651 | template <typename _Value> |
---|
1652 | class NodeMap |
---|
1653 | : public IterableMapExtender<NodeMapBase<_Value> > { |
---|
1654 | public: |
---|
1655 | typedef BpUGraphExtender Graph; |
---|
1656 | typedef IterableMapExtender< NodeMapBase<_Value> > Parent; |
---|
1657 | |
---|
1658 | NodeMap(const Graph& _g) |
---|
1659 | : Parent(_g) {} |
---|
1660 | NodeMap(const Graph& _g, const _Value& _v) |
---|
1661 | : Parent(_g, _v) {} |
---|
1662 | |
---|
1663 | NodeMap& operator=(const NodeMap& cmap) { |
---|
1664 | return operator=<NodeMap>(cmap); |
---|
1665 | } |
---|
1666 | |
---|
1667 | |
---|
1668 | /// \brief Template assign operator. |
---|
1669 | /// |
---|
1670 | /// The given parameter should be conform to the ReadMap |
---|
1671 | /// concept and could be indiced by the current item set of |
---|
1672 | /// the NodeMap. In this case the value for each item |
---|
1673 | /// is assigned by the value of the given ReadMap. |
---|
1674 | template <typename CMap> |
---|
1675 | NodeMap& operator=(const CMap& cmap) { |
---|
1676 | checkConcept<concept::ReadMap<Node, _Value>, CMap>(); |
---|
1677 | const typename Parent::Graph* graph = Parent::getGraph(); |
---|
1678 | Node it; |
---|
1679 | for (graph->first(it); it != INVALID; graph->next(it)) { |
---|
1680 | Parent::set(it, cmap[it]); |
---|
1681 | } |
---|
1682 | return *this; |
---|
1683 | } |
---|
1684 | |
---|
1685 | }; |
---|
1686 | |
---|
1687 | |
---|
1688 | |
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1689 | template <typename _Value> |
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1690 | class EdgeMap |
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1691 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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1692 | public: |
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1693 | typedef BpUGraphExtender Graph; |
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1694 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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1695 | |
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1696 | EdgeMap(const Graph& _g) |
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1697 | : Parent(_g) {} |
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1698 | EdgeMap(const Graph& _g, const _Value& _v) |
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1699 | : Parent(_g, _v) {} |
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1700 | |
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1701 | EdgeMap& operator=(const EdgeMap& cmap) { |
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1702 | return operator=<EdgeMap>(cmap); |
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1703 | } |
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1704 | |
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1705 | template <typename CMap> |
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1706 | EdgeMap& operator=(const CMap& cmap) { |
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1707 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
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1708 | const typename Parent::Graph* graph = Parent::getGraph(); |
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1709 | Edge it; |
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1710 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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1711 | Parent::set(it, cmap[it]); |
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1712 | } |
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1713 | return *this; |
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1714 | } |
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1715 | }; |
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1716 | |
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1717 | template <typename _Value> |
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1718 | class UEdgeMap |
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1719 | : public IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > { |
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1720 | public: |
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1721 | typedef BpUGraphExtender Graph; |
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1722 | typedef IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > |
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1723 | Parent; |
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1724 | |
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1725 | UEdgeMap(const Graph& _g) |
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1726 | : Parent(_g) {} |
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1727 | UEdgeMap(const Graph& _g, const _Value& _v) |
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1728 | : Parent(_g, _v) {} |
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1729 | |
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1730 | UEdgeMap& operator=(const UEdgeMap& cmap) { |
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1731 | return operator=<UEdgeMap>(cmap); |
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1732 | } |
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1733 | |
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1734 | template <typename CMap> |
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1735 | UEdgeMap& operator=(const CMap& cmap) { |
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1736 | checkConcept<concept::ReadMap<UEdge, _Value>, CMap>(); |
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1737 | const typename Parent::Graph* graph = Parent::getGraph(); |
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1738 | UEdge it; |
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1739 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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1740 | Parent::set(it, cmap[it]); |
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1741 | } |
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1742 | return *this; |
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1743 | } |
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1744 | }; |
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1745 | |
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1746 | |
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1747 | Node addANode() { |
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1748 | Node node = Parent::addANode(); |
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1749 | getNotifier(ANode()).add(node); |
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1750 | getNotifier(Node()).add(node); |
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1751 | return node; |
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1752 | } |
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1753 | |
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1754 | Node addBNode() { |
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1755 | Node node = Parent::addBNode(); |
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1756 | getNotifier(BNode()).add(node); |
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1757 | getNotifier(Node()).add(node); |
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1758 | return node; |
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1759 | } |
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1760 | |
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1761 | UEdge addEdge(const Node& source, const Node& target) { |
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1762 | UEdge uedge = Parent::addEdge(source, target); |
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1763 | getNotifier(UEdge()).add(uedge); |
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1764 | |
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1765 | std::vector<Edge> edges; |
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1766 | edges.push_back(direct(uedge, true)); |
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1767 | edges.push_back(direct(uedge, false)); |
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1768 | getNotifier(Edge()).add(edges); |
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1769 | |
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1770 | return uedge; |
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1771 | } |
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1772 | |
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1773 | void clear() { |
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1774 | getNotifier(Edge()).clear(); |
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1775 | getNotifier(UEdge()).clear(); |
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1776 | getNotifier(Node()).clear(); |
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1777 | getNotifier(BNode()).clear(); |
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1778 | getNotifier(ANode()).clear(); |
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1779 | Parent::clear(); |
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1780 | } |
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1781 | |
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1782 | void erase(const Node& node) { |
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1783 | UEdge uedge; |
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1784 | bool dir; |
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1785 | Parent::firstInc(uedge, dir, node); |
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1786 | while (uedge != INVALID ) { |
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1787 | erase(uedge); |
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1788 | Parent::firstInc(uedge, dir, node); |
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1789 | } |
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1790 | |
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1791 | getNotifier(Node()).erase(node); |
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1792 | Parent::erase(node); |
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1793 | } |
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1794 | |
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1795 | void erase(const UEdge& uedge) { |
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1796 | std::vector<Edge> edges; |
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1797 | edges.push_back(direct(uedge, true)); |
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1798 | edges.push_back(direct(uedge, false)); |
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1799 | getNotifier(Edge()).erase(edges); |
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1800 | getNotifier(UEdge()).erase(uedge); |
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1801 | Parent::erase(uedge); |
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1802 | } |
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1803 | |
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1804 | |
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1805 | ~BpUGraphExtender() { |
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1806 | getNotifier(Edge()).clear(); |
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1807 | getNotifier(UEdge()).clear(); |
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1808 | getNotifier(Node()).clear(); |
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1809 | getNotifier(BNode()).clear(); |
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1810 | getNotifier(ANode()).clear(); |
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1811 | } |
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1812 | |
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1813 | |
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1814 | }; |
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1815 | |
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1816 | } |
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1817 | |
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1818 | #endif // LEMON_UNDIR_GRAPH_EXTENDER_H |
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