1 | /* -*- C++ -*- |
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2 | * src/lemon/concept/graph_component.h - Part of LEMON, a generic C++ optimization library |
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3 | * |
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4 | * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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5 | * (Egervary Combinatorial Optimization Research Group, EGRES). |
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6 | * |
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7 | * Permission to use, modify and distribute this software is granted |
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8 | * provided that this copyright notice appears in all copies. For |
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9 | * precise terms see the accompanying LICENSE file. |
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10 | * |
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11 | * This software is provided "AS IS" with no warranty of any kind, |
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12 | * express or implied, and with no claim as to its suitability for any |
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13 | * purpose. |
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14 | * |
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15 | */ |
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16 | |
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17 | ///\ingroup concept |
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18 | ///\file |
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19 | ///\brief The graph components. |
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20 | |
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21 | |
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22 | #ifndef LEMON_CONCEPT_GRAPH_COMPONENT_H |
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23 | #define LEMON_CONCEPT_GRAPH_COMPONENT_H |
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24 | |
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25 | #include <lemon/invalid.h> |
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26 | #include <lemon/concept/maps.h> |
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27 | |
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28 | namespace lemon { |
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29 | namespace concept { |
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30 | |
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31 | /// An empty base graph class. |
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32 | |
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33 | /// This class provides the most minimal features of a graph structure. |
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34 | /// All the graph concepts have to be conform to this base graph. |
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35 | |
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36 | class BaseGraphComponent { |
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37 | public: |
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38 | |
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39 | typedef BaseGraphComponent Graph; |
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40 | |
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41 | /// Node class of the graph. |
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42 | |
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43 | /// This class represents the Nodes of the graph. |
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44 | /// |
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45 | class Node { |
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46 | public: |
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47 | |
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48 | /// Default constructor. |
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49 | |
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50 | /// @warning The default constructor sets the iterator |
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51 | /// to an undefined value. |
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52 | |
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53 | Node() {} |
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54 | /// Copy constructor. |
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55 | |
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56 | /// Copy constructor. |
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57 | /// |
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58 | Node(const Node&) {} |
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59 | |
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60 | /// Invalid constructor \& conversion. |
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61 | |
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62 | /// This constructor initializes the iterator to be invalid. |
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63 | /// \sa Invalid for more details. |
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64 | Node(Invalid) {} |
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65 | |
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66 | |
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67 | Node& operator=(const Node&) { return *this;} |
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68 | |
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69 | /// Equality operator. |
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70 | |
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71 | /// Two iterators are equal if and only if they represents the |
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72 | /// same node in the graph or both are invalid. |
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73 | bool operator==(const Node&) { return true;} |
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74 | |
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75 | |
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76 | /// Inequality operator. |
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77 | |
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78 | /// \sa operator==(const Node& n) |
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79 | /// |
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80 | bool operator!=(const Node&) { return true;} |
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81 | |
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82 | /// Comparison operator. |
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83 | |
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84 | /// This is a strict ordering between the nodes. |
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85 | /// |
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86 | /// This ordering can be different from the iterating order of nodes. |
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87 | /// \todo Possibly we don't need it. |
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88 | bool operator<(const Node&) { return true;} |
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89 | }; |
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90 | |
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91 | /// Edge class of the graph. |
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92 | |
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93 | /// This class represents the Edges of the graph. |
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94 | /// |
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95 | class Edge { |
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96 | public: |
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97 | |
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98 | /// Default constructor. |
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99 | |
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100 | /// @warning The default constructor sets the iterator |
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101 | /// to an undefined value. |
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102 | |
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103 | Edge() {} |
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104 | /// Copy constructor. |
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105 | |
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106 | /// Copy constructor. |
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107 | /// |
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108 | Edge(const Edge&) {} |
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109 | |
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110 | /// Invalid constructor \& conversion. |
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111 | |
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112 | /// This constructor initializes the iterator to be invalid. |
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113 | /// \sa Invalid for more details. |
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114 | Edge(Invalid) {} |
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115 | |
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116 | |
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117 | Edge& operator=(const Edge&) { return *this;} |
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118 | |
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119 | /// Equality operator. |
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120 | |
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121 | /// Two iterators are equal if and only if they represents the |
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122 | /// same edge in the graph or both are invalid. |
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123 | bool operator==(const Edge&) { return true;} |
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124 | |
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125 | |
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126 | /// Inequality operator. |
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127 | |
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128 | /// \sa operator==(const Edge& n) |
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129 | /// |
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130 | bool operator!=(const Edge&) { return true;} |
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131 | |
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132 | /// Comparison operator. |
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133 | |
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134 | /// This is a strict ordering between the edges. |
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135 | /// |
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136 | /// This ordering can be different from the iterating order of edges. |
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137 | /// \todo Possibly we don't need it. |
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138 | bool operator<(const Edge&) { return true;} |
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139 | }; |
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140 | |
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141 | ///Gives back the head node of an edge. |
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142 | |
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143 | ///Gives back the head node of an edge. |
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144 | /// |
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145 | Node head(const Edge&) const { return INVALID;} |
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146 | |
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147 | ///Gives back the tail node of an edge. |
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148 | |
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149 | ///Gives back the tail node of an edge. |
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150 | /// |
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151 | Node tail(const Edge&) const { return INVALID;} |
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152 | }; |
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153 | |
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154 | /// Concept check structure for BaseGraph. |
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155 | |
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156 | /// Concept check structure for BaseGraph. |
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157 | /// |
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158 | |
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159 | template <typename Graph> |
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160 | struct BaseGraphComponentConcept { |
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161 | typedef typename Graph::Node Node; |
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162 | typedef typename Graph::Edge Edge; |
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163 | |
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164 | void constraints() { |
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165 | { |
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166 | Node ni; |
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167 | Node nj(ni); |
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168 | Node nk(INVALID); |
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169 | ni = nj; |
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170 | bool b; b = true; |
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171 | b = (ni == INVALID); b = (ni != INVALID); |
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172 | b = (ni==nj); b = (ni != nj); b=( ni < nj); |
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173 | } |
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174 | { |
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175 | Edge ei; |
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176 | Edge ej(ei); |
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177 | Edge ek(INVALID); |
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178 | ei = ej; |
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179 | bool b; b = true; |
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180 | b = (ei == INVALID); b = (ei != INVALID); |
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181 | b = (ei==ej); b = (ei != ej); b=( ei < ej); |
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182 | } |
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183 | { |
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184 | const Graph& const_graph = graph; |
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185 | Node n; |
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186 | Edge e; |
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187 | n = const_graph.tail(e); |
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188 | n = const_graph.head(e); |
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189 | } |
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190 | } |
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191 | |
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192 | Graph& graph; |
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193 | }; |
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194 | |
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195 | /// An empty iterable base graph class. |
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196 | |
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197 | /// This class provides beside the core graph features |
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198 | /// core iterable interface for the graph structure. |
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199 | /// Most of the base graphs should be conform to this concept. |
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200 | |
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201 | class BaseIterableGraphComponent : virtual public BaseGraphComponent { |
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202 | public: |
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203 | |
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204 | typedef BaseGraphComponent::Node Node; |
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205 | typedef BaseGraphComponent::Edge Edge; |
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206 | |
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207 | /// Gives back the first Node in the iterating order. |
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208 | |
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209 | /// Gives back the first Node in the iterating order. |
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210 | /// |
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211 | void first(Node&) const {} |
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212 | |
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213 | /// Gives back the next Node in the iterating order. |
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214 | |
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215 | /// Gives back the next Node in the iterating order. |
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216 | /// |
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217 | void next(Node&) const {} |
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218 | |
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219 | /// Gives back the first Edge in the iterating order. |
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220 | |
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221 | /// Gives back the first Edge in the iterating order. |
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222 | /// |
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223 | void first(Edge&) const {} |
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224 | /// Gives back the next Edge in the iterating order. |
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225 | |
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226 | /// Gives back the next Edge in the iterating order. |
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227 | /// |
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228 | void next(Edge&) const {} |
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229 | |
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230 | |
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231 | /// Gives back the first of the Edges point to the given Node. |
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232 | |
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233 | /// Gives back the first of the Edges point to the given Node. |
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234 | /// |
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235 | void firstIn(Edge&, const Node&) const {} |
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236 | |
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237 | /// Gives back the next of the Edges points to the given Node. |
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238 | |
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239 | |
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240 | /// Gives back the next of the Edges points to the given Node. |
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241 | /// |
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242 | void nextIn(Edge&) const {} |
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243 | |
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244 | /// Gives back the first of the Edges start from the given Node. |
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245 | |
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246 | /// Gives back the first of the Edges start from the given Node. |
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247 | /// |
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248 | void firstOut(Edge&, const Node&) const {} |
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249 | |
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250 | /// Gives back the next of the Edges start from the given Node. |
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251 | |
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252 | /// Gives back the next of the Edges start from the given Node. |
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253 | /// |
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254 | void nextOut(Edge&) const {} |
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255 | }; |
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256 | |
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257 | |
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258 | /// Concept check structure for IterableBaseGraph. |
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259 | |
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260 | /// Concept check structure for IterableBaseGraph. |
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261 | /// |
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262 | template <typename Graph> |
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263 | struct BaseIterableGraphComponentConcept { |
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264 | |
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265 | void constraints() { |
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266 | const Graph& const_graph = graph; |
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267 | typename Graph::Node node; |
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268 | typename Graph::Edge edge; |
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269 | { |
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270 | const_graph.first(node); |
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271 | const_graph.next(node); |
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272 | } |
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273 | { |
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274 | const_graph.first(edge); |
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275 | const_graph.next(edge); |
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276 | } |
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277 | { |
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278 | const_graph.firstIn(edge, node); |
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279 | const_graph.nextIn(edge); |
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280 | } |
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281 | { |
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282 | const_graph.firstOut(edge, node); |
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283 | const_graph.nextOut(edge); |
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284 | } |
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285 | } |
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286 | |
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287 | Graph& graph; |
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288 | }; |
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289 | |
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290 | /// An empty idable base graph class. |
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291 | |
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292 | /// This class provides beside the core graph features |
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293 | /// core id functions for the graph structure. |
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294 | /// The most of the base graphs should be conform to this concept. |
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295 | /// The id's are unique and immutable. |
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296 | |
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297 | class IDableGraphComponent : virtual public BaseGraphComponent { |
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298 | public: |
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299 | |
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300 | typedef BaseGraphComponent::Node Node; |
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301 | typedef BaseGraphComponent::Edge Edge; |
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302 | |
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303 | /// Gives back an unique integer id for the Node. |
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304 | |
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305 | /// Gives back an unique integer id for the Node. |
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306 | /// |
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307 | int id(const Node&) const { return -1;} |
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308 | |
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309 | /// Gives back an unique integer id for the Edge. |
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310 | |
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311 | /// Gives back an unique integer id for the Edge. |
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312 | /// |
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313 | int id(const Edge&) const { return -1;} |
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314 | }; |
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315 | |
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316 | |
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317 | /// Concept check structure for IdableBaseGraph. |
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318 | |
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319 | /// Concept check structure for IdableBaseGraph. |
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320 | /// |
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321 | template <typename Graph> |
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322 | struct IDableGraphComponentConcept { |
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323 | |
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324 | void constraints() { |
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325 | const Graph& const_graph = graph; |
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326 | typename Graph::Node node; |
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327 | int nid = const_graph.id(node); |
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328 | nid = const_graph.id(node); |
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329 | typename Graph::Edge edge; |
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330 | int eid = const_graph.id(edge); |
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331 | eid = const_graph.id(edge); |
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332 | } |
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333 | |
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334 | Graph& graph; |
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335 | }; |
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336 | |
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337 | |
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338 | /// An empty max-idable base graph class. |
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339 | |
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340 | /// This class provides beside the core graph features |
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341 | /// core max id functions for the graph structure. |
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342 | /// The most of the base graphs should be conform to this concept. |
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343 | /// The id's are unique and immutable. |
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344 | class MaxIDableGraphComponent : virtual public BaseGraphComponent { |
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345 | public: |
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346 | |
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347 | /// Gives back an integer greater or equal to the maximum Node id. |
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348 | |
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349 | /// Gives back an integer greater or equal to the maximum Node id. |
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350 | /// |
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351 | int maxEdgeId() const { return -1;} |
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352 | |
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353 | /// Gives back an integer greater or equal to the maximum Edge id. |
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354 | |
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355 | /// Gives back an integer greater or equal to the maximum Edge id. |
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356 | /// |
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357 | int maxNodeId() const { return -1;} |
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358 | }; |
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359 | |
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360 | /// Concept check structure for MaxIdableBaseGraph. |
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361 | |
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362 | /// Concept check structure for MaxIdableBaseGraph. |
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363 | /// |
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364 | template <typename Graph> |
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365 | struct MaxIDableGraphComponentConcept { |
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366 | |
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367 | void constraints() { |
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368 | const Graph& const_graph = graph; |
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369 | int nid = const_graph.maxEdgeId(); |
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370 | ignore_unused_variable_warning(nid); |
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371 | int eid = const_graph.maxNodeId(); |
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372 | ignore_unused_variable_warning(eid); |
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373 | } |
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374 | |
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375 | Graph& graph; |
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376 | }; |
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377 | |
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378 | /// An empty extendable base graph class. |
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379 | |
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380 | /// This class provides beside the core graph features |
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381 | /// core graph extend interface for the graph structure. |
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382 | /// The most of the base graphs should be conform to this concept. |
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383 | class BaseExtendableGraphComponent : virtual public BaseGraphComponent { |
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384 | public: |
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385 | |
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386 | typedef BaseGraphComponent::Node Node; |
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387 | typedef BaseGraphComponent::Edge Edge; |
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388 | |
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389 | /// Adds a new Node to the graph. |
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390 | |
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391 | /// Adds a new Node to the graph. |
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392 | /// |
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393 | Node addNode() { |
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394 | return INVALID; |
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395 | } |
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396 | |
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397 | /// Adds a new Edge connects the two Nodes to the graph. |
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398 | |
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399 | /// Adds a new Edge connects the two Nodes to the graph. |
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400 | /// |
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401 | Edge addEdge(const Node& from, const Node& to) { |
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402 | return INVALID; |
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403 | } |
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404 | |
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405 | }; |
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406 | |
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407 | /// Concept check structure for ExtendableBaseGraph. |
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408 | |
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409 | /// Concept check structure for ExtendableBaseGraph. |
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410 | /// |
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411 | template <typename Graph> |
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412 | struct BaseExtendableGraphComponentConcept { |
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413 | void constraints() { |
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414 | typename Graph::Node node_a, node_b; |
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415 | node_a = graph.addNode(); |
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416 | typename Graph::Edge edge; |
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417 | edge = graph.addEdge(node_a, node_b); |
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418 | } |
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419 | |
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420 | Graph& graph; |
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421 | }; |
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422 | |
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423 | /// An empty erasable base graph class. |
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424 | |
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425 | /// This class provides beside the core graph features |
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426 | /// core erase functions for the graph structure. |
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427 | /// The most of the base graphs should be conform to this concept. |
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428 | class BaseErasableGraphComponent : virtual public BaseGraphComponent { |
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429 | public: |
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430 | |
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431 | typedef BaseGraphComponent::Node Node; |
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432 | typedef BaseGraphComponent::Edge Edge; |
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433 | |
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434 | /// Erase a Node from the graph. |
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435 | |
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436 | /// Erase a Node from the graph. This function should not |
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437 | /// erase edges connecting to the Node. |
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438 | void erase(const Node&) {} |
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439 | |
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440 | /// Erase an Edge from the graph. |
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441 | |
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442 | /// Erase an Edge from the graph. |
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443 | /// |
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444 | void erase(const Edge&) {} |
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445 | |
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446 | }; |
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447 | |
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448 | /// Concept check structure for ErasableBaseGraph. |
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449 | |
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450 | /// Concept check structure for ErasableBaseGraph. |
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451 | /// |
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452 | template <typename Graph> |
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453 | struct BaseErasableGraphComponentConcept { |
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454 | void constraints() { |
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455 | typename Graph::Node node; |
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456 | graph.erase(node); |
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457 | typename Graph::Edge edge; |
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458 | graph.erase(edge); |
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459 | } |
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460 | |
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461 | Graph& graph; |
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462 | }; |
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463 | |
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464 | /// An empty clearable base graph class. |
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465 | |
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466 | /// This class provides beside the core graph features |
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467 | /// core clear functions for the graph structure. |
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468 | /// The most of the base graphs should be conform to this concept. |
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469 | class BaseClearableGraphComponent : virtual public BaseGraphComponent { |
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470 | public: |
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471 | |
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472 | /// Erase all the Nodes and Edges from the graph. |
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473 | |
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474 | /// Erase all the Nodes and Edges from the graph. |
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475 | /// |
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476 | void clear() {} |
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477 | }; |
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478 | |
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479 | /// Concept check function for ErasableBaseGraph. |
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480 | |
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481 | /// Concept check function for ErasableBaseGraph. |
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482 | /// |
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483 | template <typename Graph> |
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484 | struct BaseClearableGraphComponentConcept { |
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485 | void constraints() { |
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486 | graph.clear(); |
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487 | } |
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488 | |
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489 | Graph& graph; |
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490 | }; |
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491 | |
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492 | |
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493 | class IterableGraphComponent : virtual public BaseGraphComponent { |
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494 | |
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495 | public: |
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496 | |
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497 | typedef IterableGraphComponent Graph; |
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498 | |
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499 | typedef BaseGraphComponent::Node Node; |
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500 | typedef BaseGraphComponent::Edge Edge; |
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501 | |
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502 | class NodeIt : public Node { |
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503 | public: |
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504 | NodeIt() {} |
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505 | NodeIt(Invalid) {} |
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506 | NodeIt(const Graph&) {} |
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507 | |
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508 | NodeIt& operator++() { return *this; } |
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509 | // Node operator*() const { return INVALID; } |
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510 | |
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511 | bool operator==(const NodeIt&) { return true;} |
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512 | bool operator!=(const NodeIt&) { return true;} |
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513 | }; |
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514 | |
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515 | class EdgeIt : public Edge { |
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516 | public: |
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517 | EdgeIt() {} |
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518 | EdgeIt(Invalid) {} |
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519 | EdgeIt(const Graph&) {} |
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520 | |
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521 | EdgeIt& operator++() { return *this; } |
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522 | // Edge operator*() const { return INVALID; } |
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523 | |
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524 | bool operator==(const EdgeIt&) { return true;} |
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525 | bool operator!=(const EdgeIt&) { return true;} |
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526 | }; |
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527 | |
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528 | class InEdgeIt : public Edge { |
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529 | public: |
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530 | InEdgeIt() {} |
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531 | InEdgeIt(Invalid) {} |
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532 | InEdgeIt(const Graph&, const Node&) {} |
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533 | |
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534 | InEdgeIt& operator++() { return *this; } |
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535 | // Edge operator*() const { return INVALID; } |
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536 | |
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537 | bool operator==(const InEdgeIt&) { return true;} |
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538 | bool operator!=(const InEdgeIt&) { return true;} |
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539 | }; |
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540 | |
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541 | class OutEdgeIt : public Edge { |
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542 | public: |
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543 | OutEdgeIt() {} |
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544 | OutEdgeIt(Invalid) {} |
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545 | OutEdgeIt(const Graph&, const Node&) {} |
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546 | |
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547 | OutEdgeIt& operator++() { return *this; } |
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548 | // Edge operator*() const { return INVALID; } |
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549 | |
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550 | bool operator==(const OutEdgeIt&) { return true;} |
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551 | bool operator!=(const OutEdgeIt&) { return true;} |
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552 | }; |
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553 | |
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554 | }; |
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555 | |
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556 | template <typename Graph> |
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557 | struct IterableGraphComponentConcept { |
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558 | |
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559 | void constraints() { |
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560 | |
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561 | typedef typename Graph::Node Node; |
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562 | typedef typename Graph::NodeIt NodeIt; |
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563 | typedef typename Graph::Edge Edge; |
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564 | typedef typename Graph::EdgeIt EdgeIt; |
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565 | typedef typename Graph::InEdgeIt InEdgeIt; |
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566 | typedef typename Graph::OutEdgeIt OutEdgeIt; |
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567 | |
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568 | { |
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569 | NodeIt it; |
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570 | NodeIt jt(it); |
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571 | NodeIt kt(INVALID); |
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572 | NodeIt lt(graph); |
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573 | it = jt; |
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574 | jt = ++it; |
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575 | bool b; |
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576 | b = (it == INVALID); |
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577 | b = (it != INVALID); |
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578 | b = (it == jt); |
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579 | b = (it != jt); |
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580 | Node node = it; |
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581 | node = it; |
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582 | } |
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583 | { |
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584 | EdgeIt it; |
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585 | EdgeIt jt(it); |
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586 | EdgeIt kt(INVALID); |
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587 | EdgeIt lt(graph); |
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588 | it = jt; |
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589 | jt = ++it; |
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590 | bool b; |
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591 | b = (it == INVALID); |
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592 | b = (it != INVALID); |
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593 | b = (it == jt); |
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594 | b = (it != jt); |
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595 | Edge edge = it; |
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596 | edge = it; |
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597 | } |
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598 | { |
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599 | InEdgeIt it; |
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600 | InEdgeIt jt(it); |
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601 | InEdgeIt kt(INVALID); |
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602 | Node node; |
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603 | InEdgeIt lt(graph, node); |
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604 | it = jt; |
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605 | jt = ++it; |
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606 | bool b; |
---|
607 | b = (it == INVALID); |
---|
608 | b = (it != INVALID); |
---|
609 | b = (it == jt); |
---|
610 | b = (it != jt); |
---|
611 | Edge edge = it; |
---|
612 | edge = it; |
---|
613 | } |
---|
614 | { |
---|
615 | OutEdgeIt it; |
---|
616 | OutEdgeIt jt(it); |
---|
617 | OutEdgeIt kt(INVALID); |
---|
618 | Node node; |
---|
619 | OutEdgeIt lt(graph, node); |
---|
620 | it = jt; |
---|
621 | jt = ++it; |
---|
622 | bool b; |
---|
623 | b = (it == INVALID); |
---|
624 | b = (it != INVALID); |
---|
625 | b = (it == jt); |
---|
626 | b = (it != jt); |
---|
627 | Edge edge = it; |
---|
628 | edge = it; |
---|
629 | } |
---|
630 | } |
---|
631 | Graph& graph; |
---|
632 | }; |
---|
633 | |
---|
634 | |
---|
635 | class IdMappableGraphComponent : virtual public BaseGraphComponent { |
---|
636 | |
---|
637 | typedef IdMappableGraphComponent Graph; |
---|
638 | |
---|
639 | typedef BaseGraphComponent::Node Node; |
---|
640 | typedef BaseGraphComponent::Edge Edge; |
---|
641 | |
---|
642 | public: |
---|
643 | |
---|
644 | class NodeIdMap : public ReadMap<Node, int> { |
---|
645 | public: |
---|
646 | NodeIdMap(const Graph&) {} |
---|
647 | int maxId() const { return -1;} |
---|
648 | }; |
---|
649 | |
---|
650 | class EdgeIdMap : public ReadMap<Edge, int> { |
---|
651 | public: |
---|
652 | EdgeIdMap(const Graph&) {} |
---|
653 | int maxId() const { return -1;} |
---|
654 | }; |
---|
655 | |
---|
656 | }; |
---|
657 | |
---|
658 | template <typename Graph> |
---|
659 | struct IdMappableGraphComponentConcept { |
---|
660 | void constraints() { |
---|
661 | { |
---|
662 | typedef typename Graph::EdgeIdMap EdgeIdMap; |
---|
663 | function_requires<ReadMapConcept<EdgeIdMap> >(); |
---|
664 | EdgeIdMap edge_map(graph); |
---|
665 | int n = edge_map.maxId(); |
---|
666 | ignore_unused_variable_warning(n); |
---|
667 | } |
---|
668 | { |
---|
669 | typedef typename Graph::NodeIdMap NodeIdMap; |
---|
670 | function_requires<ReadMapConcept<NodeIdMap> >(); |
---|
671 | NodeIdMap node_map(graph); |
---|
672 | int n = node_map.maxId(); |
---|
673 | ignore_unused_variable_warning(n); |
---|
674 | } |
---|
675 | } |
---|
676 | Graph& graph; |
---|
677 | }; |
---|
678 | |
---|
679 | |
---|
680 | class MappableGraphComponent : virtual public BaseGraphComponent { |
---|
681 | public: |
---|
682 | |
---|
683 | typedef MappableGraphComponent Graph; |
---|
684 | |
---|
685 | typedef BaseGraphComponent::Node Node; |
---|
686 | typedef BaseGraphComponent::Edge Edge; |
---|
687 | |
---|
688 | template <typename Value> |
---|
689 | class NodeMap : public ReferenceMap<Node, Value> { |
---|
690 | public: |
---|
691 | NodeMap(const Graph&) {} |
---|
692 | NodeMap(const Graph&, const Value&) {} |
---|
693 | NodeMap(const NodeMap&) {} |
---|
694 | |
---|
695 | NodeMap& operator=(const NodeMap&) { return *this;} |
---|
696 | |
---|
697 | }; |
---|
698 | |
---|
699 | template <typename Value> |
---|
700 | class EdgeMap : public ReferenceMap<Edge, Value> { |
---|
701 | public: |
---|
702 | EdgeMap(const Graph&) {} |
---|
703 | EdgeMap(const Graph&, const Value&) {} |
---|
704 | EdgeMap(const EdgeMap&) {} |
---|
705 | |
---|
706 | EdgeMap& operator=(const EdgeMap&) { return *this;} |
---|
707 | |
---|
708 | }; |
---|
709 | |
---|
710 | }; |
---|
711 | |
---|
712 | template <typename Graph> |
---|
713 | struct MappableGraphComponentConcept { |
---|
714 | |
---|
715 | struct Type { |
---|
716 | int value; |
---|
717 | Type() : value(0) {} |
---|
718 | Type(int _v) : value(_v) {} |
---|
719 | }; |
---|
720 | |
---|
721 | void constraints() { |
---|
722 | { // int map test |
---|
723 | typedef typename Graph::template NodeMap<int> IntNodeMap; |
---|
724 | function_requires<GraphMapConcept<IntNodeMap,Graph> >(); |
---|
725 | } { // bool map test |
---|
726 | typedef typename Graph::template NodeMap<bool> BoolNodeMap; |
---|
727 | function_requires<GraphMapConcept<BoolNodeMap,Graph> >(); |
---|
728 | } { // Type map test |
---|
729 | typedef typename Graph::template NodeMap<Type> TypeNodeMap; |
---|
730 | function_requires<GraphMapConcept<TypeNodeMap,Graph> >(); |
---|
731 | } |
---|
732 | |
---|
733 | { // int map test |
---|
734 | typedef typename Graph::template EdgeMap<int> IntEdgeMap; |
---|
735 | function_requires<GraphMapConcept<IntEdgeMap,Graph> >(); |
---|
736 | } { // bool map test |
---|
737 | typedef typename Graph::template EdgeMap<bool> BoolEdgeMap; |
---|
738 | function_requires<GraphMapConcept<BoolEdgeMap,Graph> >(); |
---|
739 | } { // Type map test |
---|
740 | typedef typename Graph::template EdgeMap<Type> TypeEdgeMap; |
---|
741 | function_requires<GraphMapConcept<TypeEdgeMap,Graph> >(); |
---|
742 | } |
---|
743 | } |
---|
744 | |
---|
745 | Graph& graph; |
---|
746 | }; |
---|
747 | |
---|
748 | |
---|
749 | class ExtendableGraphComponent : virtual public BaseGraphComponent { |
---|
750 | public: |
---|
751 | |
---|
752 | typedef ExtendableGraphComponent Graph; |
---|
753 | |
---|
754 | typedef BaseGraphComponent::Node Node; |
---|
755 | typedef BaseGraphComponent::Edge Edge; |
---|
756 | |
---|
757 | Node addNode() { |
---|
758 | return INVALID; |
---|
759 | } |
---|
760 | |
---|
761 | Edge addEdge(const Node& from, const Node& to) { |
---|
762 | return INVALID; |
---|
763 | } |
---|
764 | |
---|
765 | }; |
---|
766 | |
---|
767 | template <typename Graph> |
---|
768 | struct ExtendableGraphComponentConcept { |
---|
769 | void constraints() { |
---|
770 | typename Graph::Node node_a, node_b; |
---|
771 | node_a = graph.addNode(); |
---|
772 | typename Graph::Edge edge; |
---|
773 | edge = graph.addEdge(node_a, node_b); |
---|
774 | } |
---|
775 | Graph& graph; |
---|
776 | }; |
---|
777 | |
---|
778 | class ErasableGraphComponent : virtual public BaseGraphComponent { |
---|
779 | public: |
---|
780 | |
---|
781 | typedef ErasableGraphComponent Graph; |
---|
782 | |
---|
783 | typedef BaseGraphComponent::Node Node; |
---|
784 | typedef BaseGraphComponent::Edge Edge; |
---|
785 | |
---|
786 | void erase(const Node&) {} |
---|
787 | void erase(const Edge&) {} |
---|
788 | |
---|
789 | }; |
---|
790 | |
---|
791 | template <typename Graph> |
---|
792 | struct ErasableGraphComponentConcept { |
---|
793 | void constraints() { |
---|
794 | typename Graph::Node node; |
---|
795 | graph.erase(node); |
---|
796 | typename Graph::Edge edge; |
---|
797 | graph.erase(edge); |
---|
798 | } |
---|
799 | |
---|
800 | Graph& graph; |
---|
801 | }; |
---|
802 | |
---|
803 | class ClearableGraphComponent : virtual public BaseGraphComponent { |
---|
804 | public: |
---|
805 | |
---|
806 | typedef ClearableGraphComponent Graph; |
---|
807 | |
---|
808 | typedef BaseGraphComponent::Node Node; |
---|
809 | typedef BaseGraphComponent::Edge Edge; |
---|
810 | |
---|
811 | void clear() {} |
---|
812 | |
---|
813 | }; |
---|
814 | |
---|
815 | template <typename Graph> |
---|
816 | struct ClearableGraphComponentConcept { |
---|
817 | void constraints() { |
---|
818 | graph.clear(); |
---|
819 | } |
---|
820 | Graph& graph; |
---|
821 | }; |
---|
822 | |
---|
823 | } |
---|
824 | |
---|
825 | } |
---|
826 | |
---|
827 | #endif |
---|