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_DEFAULT_MAP_H |
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20 | #define LEMON_DEFAULT_MAP_H |
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21 | |
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22 | |
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23 | #include <lemon/bits/array_map.h> |
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24 | #include <lemon/bits/vector_map.h> |
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25 | |
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26 | ///\ingroup graphmapfactory |
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27 | ///\file |
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28 | ///\brief Graph maps that construct and destruct |
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29 | ///their elements dynamically. |
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30 | |
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31 | namespace lemon { |
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32 | |
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33 | |
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34 | template <typename _Graph, typename _Item, typename _Value> |
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35 | struct DefaultMapSelector { |
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36 | typedef ArrayMap<_Graph, _Item, _Value> Map; |
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37 | }; |
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38 | |
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39 | // bool |
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40 | template <typename _Graph, typename _Item> |
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41 | struct DefaultMapSelector<_Graph, _Item, bool> { |
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42 | typedef VectorMap<_Graph, _Item, bool> Map; |
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43 | }; |
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44 | |
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45 | // char |
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46 | template <typename _Graph, typename _Item> |
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47 | struct DefaultMapSelector<_Graph, _Item, char> { |
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48 | typedef VectorMap<_Graph, _Item, char> Map; |
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49 | }; |
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50 | |
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51 | template <typename _Graph, typename _Item> |
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52 | struct DefaultMapSelector<_Graph, _Item, signed char> { |
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53 | typedef VectorMap<_Graph, _Item, signed char> Map; |
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54 | }; |
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55 | |
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56 | template <typename _Graph, typename _Item> |
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57 | struct DefaultMapSelector<_Graph, _Item, unsigned char> { |
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58 | typedef VectorMap<_Graph, _Item, unsigned char> Map; |
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59 | }; |
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60 | |
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61 | |
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62 | // int |
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63 | template <typename _Graph, typename _Item> |
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64 | struct DefaultMapSelector<_Graph, _Item, signed int> { |
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65 | typedef VectorMap<_Graph, _Item, signed int> Map; |
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66 | }; |
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67 | |
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68 | template <typename _Graph, typename _Item> |
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69 | struct DefaultMapSelector<_Graph, _Item, unsigned int> { |
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70 | typedef VectorMap<_Graph, _Item, unsigned int> Map; |
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71 | }; |
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72 | |
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73 | |
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74 | // short |
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75 | template <typename _Graph, typename _Item> |
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76 | struct DefaultMapSelector<_Graph, _Item, signed short> { |
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77 | typedef VectorMap<_Graph, _Item, signed short> Map; |
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78 | }; |
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79 | |
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80 | template <typename _Graph, typename _Item> |
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81 | struct DefaultMapSelector<_Graph, _Item, unsigned short> { |
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82 | typedef VectorMap<_Graph, _Item, unsigned short> Map; |
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83 | }; |
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84 | |
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85 | |
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86 | // long |
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87 | template <typename _Graph, typename _Item> |
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88 | struct DefaultMapSelector<_Graph, _Item, signed long> { |
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89 | typedef VectorMap<_Graph, _Item, signed long> Map; |
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90 | }; |
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91 | |
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92 | template <typename _Graph, typename _Item> |
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93 | struct DefaultMapSelector<_Graph, _Item, unsigned long> { |
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94 | typedef VectorMap<_Graph, _Item, unsigned long> Map; |
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95 | }; |
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96 | |
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97 | // \todo handling long long type |
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98 | |
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99 | |
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100 | // float |
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101 | template <typename _Graph, typename _Item> |
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102 | struct DefaultMapSelector<_Graph, _Item, float> { |
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103 | typedef VectorMap<_Graph, _Item, float> Map; |
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104 | }; |
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105 | |
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106 | |
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107 | // double |
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108 | template <typename _Graph, typename _Item> |
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109 | struct DefaultMapSelector<_Graph, _Item, double> { |
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110 | typedef VectorMap<_Graph, _Item, double> Map; |
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111 | }; |
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112 | |
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113 | |
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114 | // long double |
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115 | template <typename _Graph, typename _Item> |
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116 | struct DefaultMapSelector<_Graph, _Item, long double> { |
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117 | typedef VectorMap<_Graph, _Item, long double> Map; |
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118 | }; |
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119 | |
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120 | |
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121 | // pointer |
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122 | template <typename _Graph, typename _Item, typename _Ptr> |
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123 | struct DefaultMapSelector<_Graph, _Item, _Ptr*> { |
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124 | typedef VectorMap<_Graph, _Item, _Ptr*> Map; |
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125 | }; |
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126 | |
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127 | /// \e |
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128 | template < |
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129 | typename _Graph, |
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130 | typename _Item, |
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131 | typename _Value> |
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132 | class DefaultMap |
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133 | : public DefaultMapSelector<_Graph, _Item, _Value>::Map { |
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134 | public: |
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135 | typedef typename DefaultMapSelector<_Graph, _Item, _Value>::Map Parent; |
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136 | typedef DefaultMap<_Graph, _Item, _Value> Map; |
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137 | |
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138 | typedef typename Parent::Graph Graph; |
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139 | typedef typename Parent::Value Value; |
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140 | |
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141 | DefaultMap(const Graph& _g) : Parent(_g) {} |
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142 | DefaultMap(const Graph& _g, const Value& _v) : Parent(_g, _v) {} |
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143 | |
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144 | }; |
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145 | |
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146 | |
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147 | /// \e |
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148 | template <typename _Base> |
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149 | class MappableGraphExtender : public _Base { |
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150 | public: |
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151 | |
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152 | typedef MappableGraphExtender<_Base> Graph; |
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153 | typedef _Base Parent; |
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154 | |
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155 | typedef typename Parent::Node Node; |
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156 | typedef typename Parent::NodeIt NodeIt; |
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157 | |
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158 | typedef typename Parent::Edge Edge; |
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159 | typedef typename Parent::EdgeIt EdgeIt; |
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160 | |
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161 | |
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162 | template <typename _Value> |
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163 | class NodeMap |
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164 | : public IterableMapExtender<DefaultMap<Graph, Node, _Value> > { |
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165 | public: |
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166 | typedef MappableGraphExtender Graph; |
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167 | typedef IterableMapExtender<DefaultMap<Graph, Node, _Value> > Parent; |
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168 | |
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169 | NodeMap(const Graph& _g) |
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170 | : Parent(_g) {} |
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171 | NodeMap(const Graph& _g, const _Value& _v) |
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172 | : Parent(_g, _v) {} |
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173 | |
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174 | NodeMap& operator=(const NodeMap& cmap) { |
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175 | return operator=<NodeMap>(cmap); |
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176 | } |
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177 | |
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178 | |
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179 | /// \brief Template assign operator. |
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180 | /// |
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181 | /// The given parameter should be conform to the ReadMap |
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182 | /// concecpt and could be indiced by the current item set of |
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183 | /// the NodeMap. In this case the value for each item |
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184 | /// is assigned by the value of the given ReadMap. |
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185 | template <typename CMap> |
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186 | NodeMap& operator=(const CMap& cmap) { |
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187 | checkConcept<concept::ReadMap<Node, _Value>, CMap>(); |
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188 | const typename Parent::Graph* graph = Parent::getGraph(); |
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189 | Node it; |
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190 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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191 | Parent::set(it, cmap[it]); |
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192 | } |
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193 | return *this; |
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194 | } |
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195 | |
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196 | }; |
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197 | |
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198 | template <typename _Value> |
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199 | class EdgeMap |
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200 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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201 | public: |
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202 | typedef MappableGraphExtender Graph; |
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203 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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204 | |
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205 | EdgeMap(const Graph& _g) |
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206 | : Parent(_g) {} |
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207 | EdgeMap(const Graph& _g, const _Value& _v) |
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208 | : Parent(_g, _v) {} |
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209 | |
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210 | EdgeMap& operator=(const EdgeMap& cmap) { |
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211 | return operator=<EdgeMap>(cmap); |
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212 | } |
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213 | |
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214 | template <typename CMap> |
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215 | EdgeMap& operator=(const CMap& cmap) { |
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216 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
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217 | const typename Parent::Graph* graph = Parent::getGraph(); |
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218 | Edge it; |
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219 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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220 | Parent::set(it, cmap[it]); |
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221 | } |
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222 | return *this; |
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223 | } |
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224 | }; |
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225 | |
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226 | }; |
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227 | |
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228 | /// \e |
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229 | template <typename _Base> |
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230 | class MappableEdgeSetExtender : public _Base { |
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231 | public: |
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232 | |
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233 | typedef MappableEdgeSetExtender<_Base> Graph; |
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234 | typedef _Base Parent; |
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235 | |
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236 | typedef typename Parent::Edge Edge; |
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237 | typedef typename Parent::EdgeIt EdgeIt; |
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238 | |
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239 | template <typename _Value> |
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240 | class EdgeMap |
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241 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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242 | public: |
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243 | typedef MappableEdgeSetExtender Graph; |
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244 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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245 | |
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246 | EdgeMap(const Graph& _g) |
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247 | : Parent(_g) {} |
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248 | EdgeMap(const Graph& _g, const _Value& _v) |
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249 | : Parent(_g, _v) {} |
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250 | |
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251 | EdgeMap& operator=(const EdgeMap& cmap) { |
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252 | return operator=<EdgeMap>(cmap); |
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253 | } |
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254 | |
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255 | template <typename CMap> |
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256 | EdgeMap& operator=(const CMap& cmap) { |
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257 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
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258 | const typename Parent::Graph* graph = Parent::getGraph(); |
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259 | Edge it; |
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260 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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261 | Parent::set(it, cmap[it]); |
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262 | } |
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263 | return *this; |
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264 | } |
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265 | }; |
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266 | |
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267 | }; |
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268 | |
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269 | /// \e |
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270 | template <typename _Base> |
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271 | class MappableUGraphExtender : |
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272 | public MappableGraphExtender<_Base> { |
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273 | public: |
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274 | |
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275 | typedef MappableUGraphExtender Graph; |
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276 | typedef MappableGraphExtender<_Base> Parent; |
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277 | |
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278 | typedef typename Parent::UEdge UEdge; |
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279 | |
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280 | template <typename _Value> |
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281 | class UEdgeMap |
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282 | : public IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > { |
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283 | public: |
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284 | typedef MappableUGraphExtender Graph; |
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285 | typedef IterableMapExtender< |
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286 | DefaultMap<Graph, UEdge, _Value> > Parent; |
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287 | |
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288 | UEdgeMap(const Graph& _g) |
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289 | : Parent(_g) {} |
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290 | UEdgeMap(const Graph& _g, const _Value& _v) |
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291 | : Parent(_g, _v) {} |
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292 | |
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293 | UEdgeMap& operator=(const UEdgeMap& cmap) { |
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294 | return operator=<UEdgeMap>(cmap); |
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295 | } |
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296 | |
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297 | template <typename CMap> |
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298 | UEdgeMap& operator=(const CMap& cmap) { |
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299 | checkConcept<concept::ReadMap<UEdge, _Value>, CMap>(); |
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300 | const typename Parent::Graph* graph = Parent::getGraph(); |
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301 | UEdge it; |
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302 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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303 | Parent::set(it, cmap[it]); |
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304 | } |
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305 | return *this; |
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306 | } |
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307 | }; |
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308 | |
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309 | |
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310 | }; |
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311 | |
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312 | /// \e |
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313 | template <typename _Base> |
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314 | class MappableUEdgeSetExtender : |
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315 | public MappableEdgeSetExtender<_Base> { |
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316 | public: |
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317 | |
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318 | typedef MappableUEdgeSetExtender Graph; |
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319 | typedef MappableEdgeSetExtender<_Base> Parent; |
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320 | |
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321 | typedef typename Parent::UEdge UEdge; |
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322 | |
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323 | template <typename _Value> |
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324 | class UEdgeMap |
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325 | : public IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > { |
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326 | public: |
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327 | typedef MappableUEdgeSetExtender Graph; |
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328 | typedef IterableMapExtender< |
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329 | DefaultMap<Graph, UEdge, _Value> > Parent; |
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330 | |
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331 | UEdgeMap(const Graph& _g) |
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332 | : Parent(_g) {} |
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333 | UEdgeMap(const Graph& _g, const _Value& _v) |
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334 | : Parent(_g, _v) {} |
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335 | |
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336 | UEdgeMap& operator=(const UEdgeMap& cmap) { |
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337 | return operator=<UEdgeMap>(cmap); |
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338 | } |
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339 | |
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340 | template <typename CMap> |
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341 | UEdgeMap& operator=(const CMap& cmap) { |
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342 | checkConcept<concept::ReadMap<UEdge, _Value>, CMap>(); |
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343 | const typename Parent::Graph* graph = Parent::getGraph(); |
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344 | UEdge it; |
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345 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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346 | Parent::set(it, cmap[it]); |
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347 | } |
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348 | return *this; |
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349 | } |
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350 | }; |
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351 | |
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352 | |
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353 | }; |
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354 | |
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355 | |
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356 | template <typename _Base> |
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357 | class MappableBpUGraphExtender : public _Base { |
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358 | public: |
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359 | |
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360 | typedef _Base Parent; |
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361 | typedef MappableBpUGraphExtender Graph; |
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362 | |
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363 | typedef typename Parent::Node Node; |
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364 | typedef typename Parent::ANode ANode; |
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365 | typedef typename Parent::BNode BNode; |
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366 | typedef typename Parent::Edge Edge; |
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367 | typedef typename Parent::UEdge UEdge; |
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368 | |
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369 | template <typename _Value> |
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370 | class ANodeMap |
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371 | : public IterableMapExtender<DefaultMap<Graph, ANode, _Value> > { |
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372 | public: |
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373 | typedef MappableBpUGraphExtender Graph; |
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374 | typedef IterableMapExtender<DefaultMap<Graph, ANode, _Value> > |
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375 | Parent; |
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376 | |
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377 | ANodeMap(const Graph& _g) |
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378 | : Parent(_g) {} |
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379 | ANodeMap(const Graph& _g, const _Value& _v) |
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380 | : Parent(_g, _v) {} |
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381 | |
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382 | ANodeMap& operator=(const ANodeMap& cmap) { |
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383 | return operator=<ANodeMap>(cmap); |
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384 | } |
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385 | |
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386 | |
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387 | /// \brief Template assign operator. |
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388 | /// |
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389 | /// The given parameter should be conform to the ReadMap |
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390 | /// concept and could be indiced by the current item set of |
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391 | /// the ANodeMap. In this case the value for each item |
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392 | /// is assigned by the value of the given ReadMap. |
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393 | template <typename CMap> |
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394 | ANodeMap& operator=(const CMap& cmap) { |
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395 | checkConcept<concept::ReadMap<ANode, _Value>, CMap>(); |
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396 | const typename Parent::Graph* graph = Parent::getGraph(); |
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397 | ANode it; |
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398 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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399 | Parent::set(it, cmap[it]); |
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400 | } |
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401 | return *this; |
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402 | } |
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403 | |
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404 | }; |
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405 | |
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406 | template <typename _Value> |
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407 | class BNodeMap |
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408 | : public IterableMapExtender<DefaultMap<Graph, BNode, _Value> > { |
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409 | public: |
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410 | typedef MappableBpUGraphExtender Graph; |
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411 | typedef IterableMapExtender<DefaultMap<Graph, BNode, _Value> > |
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412 | Parent; |
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413 | |
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414 | BNodeMap(const Graph& _g) |
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415 | : Parent(_g) {} |
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416 | BNodeMap(const Graph& _g, const _Value& _v) |
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417 | : Parent(_g, _v) {} |
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418 | |
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419 | BNodeMap& operator=(const BNodeMap& cmap) { |
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420 | return operator=<BNodeMap>(cmap); |
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421 | } |
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422 | |
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423 | |
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424 | /// \brief Template assign operator. |
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425 | /// |
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426 | /// The given parameter should be conform to the ReadMap |
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427 | /// concept and could be indiced by the current item set of |
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428 | /// the BNodeMap. In this case the value for each item |
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429 | /// is assigned by the value of the given ReadMap. |
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430 | template <typename CMap> |
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431 | BNodeMap& operator=(const CMap& cmap) { |
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432 | checkConcept<concept::ReadMap<BNode, _Value>, CMap>(); |
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433 | const typename Parent::Graph* graph = Parent::getGraph(); |
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434 | BNode it; |
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435 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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436 | Parent::set(it, cmap[it]); |
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437 | } |
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438 | return *this; |
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439 | } |
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440 | |
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441 | }; |
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442 | |
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443 | protected: |
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444 | |
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445 | template <typename _Value> |
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446 | class NodeMapBase : public Parent::NodeNotifier::ObserverBase { |
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447 | public: |
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448 | typedef MappableBpUGraphExtender Graph; |
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449 | |
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450 | typedef Node Key; |
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451 | typedef _Value Value; |
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452 | |
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453 | /// The reference type of the map; |
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454 | typedef typename BNodeMap<_Value>::Reference Reference; |
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455 | /// The pointer type of the map; |
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456 | typedef typename BNodeMap<_Value>::Pointer Pointer; |
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457 | |
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458 | /// The const value type of the map. |
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459 | typedef const Value ConstValue; |
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460 | /// The const reference type of the map; |
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461 | typedef typename BNodeMap<_Value>::ConstReference ConstReference; |
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462 | /// The pointer type of the map; |
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463 | typedef typename BNodeMap<_Value>::ConstPointer ConstPointer; |
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464 | |
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465 | typedef True ReferenceMapTag; |
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466 | |
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467 | NodeMapBase(const Graph& _g) |
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468 | : graph(&_g), bNodeMap(_g), aNodeMap(_g) { |
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469 | Parent::NodeNotifier::ObserverBase::attach(_g.getNotifier(Node())); |
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470 | } |
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471 | NodeMapBase(const Graph& _g, const _Value& _v) |
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472 | : graph(&_g), bNodeMap(_g, _v), |
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473 | aNodeMap(_g, _v) { |
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474 | Parent::NodeNotifier::ObserverBase::attach(_g.getNotifier(Node())); |
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475 | } |
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476 | |
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477 | virtual ~NodeMapBase() { |
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478 | if (Parent::NodeNotifier::ObserverBase::attached()) { |
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479 | Parent::NodeNotifier::ObserverBase::detach(); |
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480 | } |
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481 | } |
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482 | |
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483 | ConstReference operator[](const Key& node) const { |
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484 | if (Parent::aNode(node)) { |
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485 | return aNodeMap[node]; |
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486 | } else { |
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487 | return bNodeMap[node]; |
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488 | } |
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489 | } |
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490 | |
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491 | Reference operator[](const Key& node) { |
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492 | if (Parent::aNode(node)) { |
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493 | return aNodeMap[node]; |
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494 | } else { |
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495 | return bNodeMap[node]; |
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496 | } |
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497 | } |
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498 | |
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499 | void set(const Key& node, const Value& value) { |
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500 | if (Parent::aNode(node)) { |
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501 | aNodeMap.set(node, value); |
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502 | } else { |
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503 | bNodeMap.set(node, value); |
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504 | } |
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505 | } |
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506 | |
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507 | protected: |
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508 | |
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509 | virtual void add(const Node&) {} |
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510 | virtual void add(const std::vector<Node>&) {} |
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511 | virtual void erase(const Node&) {} |
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512 | virtual void erase(const std::vector<Node>&) {} |
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513 | virtual void clear() {} |
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514 | virtual void build() {} |
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515 | |
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516 | const Graph* getGraph() const { return graph; } |
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517 | |
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518 | private: |
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519 | const Graph* graph; |
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520 | BNodeMap<_Value> bNodeMap; |
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521 | ANodeMap<_Value> aNodeMap; |
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522 | }; |
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523 | |
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524 | public: |
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525 | |
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526 | template <typename _Value> |
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527 | class NodeMap |
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528 | : public IterableMapExtender<NodeMapBase<_Value> > { |
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529 | public: |
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530 | typedef MappableBpUGraphExtender Graph; |
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531 | typedef IterableMapExtender< NodeMapBase<_Value> > Parent; |
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532 | |
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533 | NodeMap(const Graph& _g) |
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534 | : Parent(_g) {} |
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535 | NodeMap(const Graph& _g, const _Value& _v) |
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536 | : Parent(_g, _v) {} |
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537 | |
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538 | NodeMap& operator=(const NodeMap& cmap) { |
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539 | return operator=<NodeMap>(cmap); |
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540 | } |
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541 | |
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542 | |
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543 | /// \brief Template assign operator. |
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544 | /// |
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545 | /// The given parameter should be conform to the ReadMap |
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546 | /// concept and could be indiced by the current item set of |
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547 | /// the NodeMap. In this case the value for each item |
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548 | /// is assigned by the value of the given ReadMap. |
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549 | template <typename CMap> |
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550 | NodeMap& operator=(const CMap& cmap) { |
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551 | checkConcept<concept::ReadMap<Node, _Value>, CMap>(); |
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552 | const typename Parent::Graph* graph = Parent::getGraph(); |
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553 | Node it; |
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554 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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555 | Parent::set(it, cmap[it]); |
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556 | } |
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557 | return *this; |
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558 | } |
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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 | |
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564 | template <typename _Value> |
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565 | class EdgeMap |
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566 | : public IterableMapExtender<DefaultMap<Graph, Edge, _Value> > { |
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567 | public: |
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568 | typedef MappableBpUGraphExtender Graph; |
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569 | typedef IterableMapExtender<DefaultMap<Graph, Edge, _Value> > Parent; |
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570 | |
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571 | EdgeMap(const Graph& _g) |
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572 | : Parent(_g) {} |
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573 | EdgeMap(const Graph& _g, const _Value& _v) |
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574 | : Parent(_g, _v) {} |
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575 | |
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576 | EdgeMap& operator=(const EdgeMap& cmap) { |
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577 | return operator=<EdgeMap>(cmap); |
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578 | } |
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579 | |
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580 | template <typename CMap> |
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581 | EdgeMap& operator=(const CMap& cmap) { |
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582 | checkConcept<concept::ReadMap<Edge, _Value>, CMap>(); |
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583 | const typename Parent::Graph* graph = Parent::getGraph(); |
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584 | Edge it; |
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585 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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586 | Parent::set(it, cmap[it]); |
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587 | } |
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588 | return *this; |
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589 | } |
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590 | }; |
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591 | |
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592 | template <typename _Value> |
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593 | class UEdgeMap |
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594 | : public IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > { |
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595 | public: |
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596 | typedef MappableBpUGraphExtender Graph; |
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597 | typedef IterableMapExtender<DefaultMap<Graph, UEdge, _Value> > |
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598 | Parent; |
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599 | |
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600 | UEdgeMap(const Graph& _g) |
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601 | : Parent(_g) {} |
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602 | UEdgeMap(const Graph& _g, const _Value& _v) |
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603 | : Parent(_g, _v) {} |
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604 | |
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605 | UEdgeMap& operator=(const UEdgeMap& cmap) { |
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606 | return operator=<UEdgeMap>(cmap); |
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607 | } |
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608 | |
---|
609 | template <typename CMap> |
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610 | UEdgeMap& operator=(const CMap& cmap) { |
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611 | checkConcept<concept::ReadMap<UEdge, _Value>, CMap>(); |
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612 | const typename Parent::Graph* graph = Parent::getGraph(); |
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613 | UEdge it; |
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614 | for (graph->first(it); it != INVALID; graph->next(it)) { |
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615 | Parent::set(it, cmap[it]); |
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616 | } |
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617 | return *this; |
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618 | } |
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619 | }; |
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620 | |
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621 | }; |
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622 | |
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623 | } |
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624 | |
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625 | #endif |
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