1 | //======================================================================= |
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2 | // Copyright 1997, 1998, 1999, 2000 University of Notre Dame. |
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3 | // Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek |
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4 | // |
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5 | // Distributed under the Boost Software License, Version 1.0. (See |
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6 | // accompanying file LICENSE_1_0.txt or copy at |
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7 | // http://www.boost.org/LICENSE_1_0.txt) |
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8 | //======================================================================= |
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9 | |
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10 | #ifndef BOOST_GRAPH_ADJACENCY_LIST_HPP |
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11 | #define BOOST_GRAPH_ADJACENCY_LIST_HPP |
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12 | |
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13 | |
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14 | #include <boost/config.hpp> |
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15 | |
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16 | #include <vector> |
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17 | #include <list> |
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18 | #include <set> |
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19 | |
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20 | #if !defined BOOST_NO_HASH |
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21 | #include <hash_set> |
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22 | #endif |
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23 | |
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24 | #if !defined BOOST_NO_SLIST |
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25 | #include <slist> |
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26 | #endif |
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27 | |
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28 | #include <boost/graph/graph_traits.hpp> |
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29 | #include <boost/graph/graph_selectors.hpp> |
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30 | #include <boost/property_map.hpp> |
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31 | #include <boost/pending/ct_if.hpp> |
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32 | #include <boost/graph/detail/edge.hpp> |
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33 | #include <boost/type_traits/is_same.hpp> |
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34 | #include <boost/detail/workaround.hpp> |
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35 | #include <boost/graph/properties.hpp> |
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36 | |
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37 | namespace boost { |
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38 | |
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39 | //=========================================================================== |
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40 | // Selectors for the VertexList and EdgeList template parameters of |
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41 | // adjacency_list, and the container_gen traits class which is used |
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42 | // to map the selectors to the container type used to implement the |
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43 | // graph. |
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44 | // |
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45 | // The main container_gen traits class uses partial specialization, |
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46 | // so we also include a workaround. |
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47 | |
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48 | #if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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49 | |
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50 | #if !defined BOOST_NO_SLIST |
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51 | struct slistS {}; |
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52 | #endif |
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53 | |
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54 | struct vecS { }; |
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55 | struct listS { }; |
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56 | struct setS { }; |
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57 | struct multisetS { }; |
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58 | struct mapS { }; |
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59 | #if !defined BOOST_NO_HASH |
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60 | struct hash_mapS { }; |
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61 | struct hash_setS { }; |
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62 | #endif |
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63 | |
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64 | template <class Selector, class ValueType> |
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65 | struct container_gen { }; |
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66 | |
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67 | template <class ValueType> |
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68 | struct container_gen<listS, ValueType> { |
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69 | typedef std::list<ValueType> type; |
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70 | }; |
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71 | #if !defined BOOST_NO_SLIST |
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72 | template <class ValueType> |
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73 | struct container_gen<slistS, ValueType> { |
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74 | typedef BOOST_STD_EXTENSION_NAMESPACE::slist<ValueType> type; |
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75 | }; |
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76 | #endif |
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77 | template <class ValueType> |
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78 | struct container_gen<vecS, ValueType> { |
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79 | typedef std::vector<ValueType> type; |
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80 | }; |
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81 | |
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82 | template <class ValueType> |
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83 | struct container_gen<mapS, ValueType> { |
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84 | typedef std::set<ValueType> type; |
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85 | }; |
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86 | |
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87 | template <class ValueType> |
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88 | struct container_gen<setS, ValueType> { |
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89 | typedef std::set<ValueType> type; |
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90 | }; |
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91 | |
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92 | template <class ValueType> |
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93 | struct container_gen<multisetS, ValueType> { |
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94 | typedef std::multiset<ValueType> type; |
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95 | }; |
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96 | |
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97 | #if !defined BOOST_NO_HASH |
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98 | template <class ValueType> |
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99 | struct container_gen<hash_mapS, ValueType> { |
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100 | typedef BOOST_STD_EXTENSION_NAMESPACE::hash_set<ValueType> type; |
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101 | }; |
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102 | |
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103 | template <class ValueType> |
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104 | struct container_gen<hash_setS, ValueType> { |
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105 | typedef BOOST_STD_EXTENSION_NAMESPACE::hash_set<ValueType> type; |
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106 | }; |
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107 | #endif |
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108 | |
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109 | #else // !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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110 | |
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111 | #if !defined BOOST_NO_SLIST |
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112 | struct slistS { |
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113 | template <class T> |
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114 | struct bind_ { typedef std::slist<T> type; }; |
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115 | }; |
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116 | #endif |
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117 | |
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118 | struct vecS { |
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119 | template <class T> |
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120 | struct bind_ { typedef std::vector<T> type; }; |
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121 | }; |
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122 | |
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123 | struct listS { |
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124 | template <class T> |
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125 | struct bind_ { typedef std::list<T> type; }; |
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126 | }; |
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127 | |
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128 | struct setS { |
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129 | template <class T> |
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130 | struct bind_ { typedef std::set<T, std::less<T> > type; }; |
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131 | }; |
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132 | |
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133 | struct multisetS { |
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134 | template <class T> |
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135 | struct bind_ { typedef std::multiset<T, std::less<T> > type; }; |
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136 | }; |
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137 | |
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138 | #if !defined BOOST_NO_HASH |
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139 | struct hash_setS { |
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140 | template <class T> |
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141 | struct bind_ { typedef BOOST_STD_EXTENSION_NAMESPACE::hash_set<T, std::less<T> > type; }; |
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142 | }; |
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143 | #endif |
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144 | |
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145 | struct mapS { |
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146 | template <class T> |
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147 | struct bind_ { typedef std::set<T, std::less<T> > type; }; |
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148 | }; |
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149 | |
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150 | #if !defined BOOST_NO_HASH |
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151 | struct hash_mapS { |
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152 | template <class T> |
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153 | struct bind_ { typedef BOOST_STD_EXTENSION_NAMESPACE::hash_set<T, std::less<T> > type; }; |
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154 | }; |
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155 | #endif |
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156 | |
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157 | template <class Selector> struct container_selector { |
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158 | typedef vecS type; |
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159 | }; |
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160 | |
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161 | #define BOOST_CONTAINER_SELECTOR(NAME) \ |
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162 | template <> struct container_selector<NAME> { \ |
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163 | typedef NAME type; \ |
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164 | } |
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165 | |
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166 | BOOST_CONTAINER_SELECTOR(vecS); |
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167 | BOOST_CONTAINER_SELECTOR(listS); |
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168 | BOOST_CONTAINER_SELECTOR(mapS); |
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169 | BOOST_CONTAINER_SELECTOR(setS); |
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170 | BOOST_CONTAINER_SELECTOR(multisetS); |
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171 | #if !defined BOOST_NO_HASH |
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172 | BOOST_CONTAINER_SELECTOR(hash_mapS); |
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173 | #endif |
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174 | #if !defined BOOST_NO_SLIST |
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175 | BOOST_CONTAINER_SELECTOR(slistS); |
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176 | #endif |
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177 | |
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178 | template <class Selector, class ValueType> |
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179 | struct container_gen { |
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180 | typedef typename container_selector<Selector>::type Select; |
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181 | typedef typename Select:: template bind_<ValueType>::type type; |
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182 | }; |
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183 | |
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184 | #endif // !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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185 | |
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186 | template <class StorageSelector> |
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187 | struct parallel_edge_traits { }; |
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188 | |
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189 | template <> |
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190 | struct parallel_edge_traits<vecS> { |
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191 | typedef allow_parallel_edge_tag type; }; |
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192 | |
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193 | template <> |
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194 | struct parallel_edge_traits<listS> { |
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195 | typedef allow_parallel_edge_tag type; }; |
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196 | |
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197 | #if !defined BOOST_NO_SLIST |
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198 | template <> |
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199 | struct parallel_edge_traits<slistS> { |
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200 | typedef allow_parallel_edge_tag type; }; |
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201 | #endif |
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202 | |
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203 | template <> |
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204 | struct parallel_edge_traits<setS> { |
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205 | typedef disallow_parallel_edge_tag type; }; |
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206 | |
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207 | template <> |
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208 | struct parallel_edge_traits<multisetS> { |
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209 | typedef allow_parallel_edge_tag type; }; |
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210 | |
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211 | #if !defined BOOST_NO_HASH |
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212 | template <> |
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213 | struct parallel_edge_traits<hash_setS> { |
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214 | typedef disallow_parallel_edge_tag type; |
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215 | }; |
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216 | #endif |
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217 | |
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218 | // mapS is obsolete, replaced with setS |
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219 | template <> |
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220 | struct parallel_edge_traits<mapS> { |
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221 | typedef disallow_parallel_edge_tag type; }; |
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222 | |
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223 | #if !defined BOOST_NO_HASH |
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224 | template <> |
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225 | struct parallel_edge_traits<hash_mapS> { |
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226 | typedef disallow_parallel_edge_tag type; |
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227 | }; |
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228 | #endif |
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229 | |
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230 | namespace detail { |
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231 | template <class Directed> struct is_random_access { |
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232 | enum { value = false}; |
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233 | typedef false_type type; |
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234 | }; |
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235 | template <> |
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236 | struct is_random_access<vecS> { |
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237 | enum { value = true }; |
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238 | typedef true_type type; |
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239 | }; |
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240 | |
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241 | } // namespace detail |
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242 | |
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243 | |
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244 | |
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245 | //=========================================================================== |
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246 | // The adjacency_list_traits class, which provides a way to access |
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247 | // some of the associated types of an adjacency_list type without |
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248 | // having to first create the adjacency_list type. This is useful |
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249 | // when trying to create interior vertex or edge properties who's |
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250 | // value type is a vertex or edge descriptor. |
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251 | |
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252 | template <class OutEdgeListS = vecS, |
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253 | class VertexListS = vecS, |
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254 | class DirectedS = directedS> |
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255 | struct adjacency_list_traits |
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256 | { |
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257 | typedef typename detail::is_random_access<VertexListS>::type |
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258 | is_rand_access; |
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259 | typedef typename DirectedS::is_bidir_t is_bidir; |
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260 | typedef typename DirectedS::is_directed_t is_directed; |
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261 | |
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262 | typedef typename boost::ct_if_t<is_bidir, |
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263 | bidirectional_tag, |
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264 | typename boost::ct_if_t<is_directed, |
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265 | directed_tag, undirected_tag |
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266 | >::type |
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267 | >::type directed_category; |
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268 | |
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269 | typedef typename parallel_edge_traits<OutEdgeListS>::type |
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270 | edge_parallel_category; |
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271 | |
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272 | typedef void* vertex_ptr; |
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273 | typedef typename boost::ct_if_t<is_rand_access, |
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274 | std::size_t, vertex_ptr>::type vertex_descriptor; |
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275 | typedef detail::edge_desc_impl<directed_category, vertex_descriptor> |
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276 | edge_descriptor; |
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277 | }; |
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278 | |
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279 | } // namespace boost |
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280 | |
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281 | #include <boost/graph/detail/adjacency_list.hpp> |
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282 | |
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283 | namespace boost { |
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284 | |
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285 | //=========================================================================== |
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286 | // The adjacency_list class. |
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287 | // |
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288 | |
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289 | template <class OutEdgeListS = vecS, // a Sequence or an AssociativeContainer |
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290 | class VertexListS = vecS, // a Sequence or a RandomAccessContainer |
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291 | class DirectedS = directedS, |
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292 | class VertexProperty = no_property, |
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293 | class EdgeProperty = no_property, |
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294 | class GraphProperty = no_property, |
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295 | class EdgeListS = listS> |
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296 | class adjacency_list |
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297 | : public detail::adj_list_gen< |
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298 | adjacency_list<OutEdgeListS,VertexListS,DirectedS, |
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299 | VertexProperty,EdgeProperty,GraphProperty,EdgeListS>, |
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300 | VertexListS, OutEdgeListS, DirectedS, |
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301 | #if !defined(BOOST_GRAPH_NO_BUNDLED_PROPERTIES) |
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302 | typename detail::retag_property_list<vertex_bundle_t, |
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303 | VertexProperty>::type, |
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304 | typename detail::retag_property_list<edge_bundle_t, EdgeProperty>::type, |
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305 | #else |
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306 | VertexProperty, EdgeProperty, |
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307 | #endif |
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308 | GraphProperty, EdgeListS>::type |
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309 | { |
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310 | #if !defined(BOOST_GRAPH_NO_BUNDLED_PROPERTIES) |
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311 | typedef typename detail::retag_property_list<vertex_bundle_t, |
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312 | VertexProperty>::retagged |
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313 | maybe_vertex_bundled; |
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314 | |
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315 | typedef typename detail::retag_property_list<edge_bundle_t, |
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316 | EdgeProperty>::retagged |
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317 | maybe_edge_bundled; |
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318 | #endif |
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319 | |
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320 | public: |
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321 | #if !defined(BOOST_GRAPH_NO_BUNDLED_PROPERTIES) |
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322 | typedef typename detail::retag_property_list<vertex_bundle_t, |
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323 | VertexProperty>::type |
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324 | vertex_property_type; |
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325 | typedef typename detail::retag_property_list<edge_bundle_t, |
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326 | EdgeProperty>::type |
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327 | edge_property_type; |
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328 | |
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329 | // The types that are actually bundled |
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330 | typedef typename ct_if<(is_same<maybe_vertex_bundled, no_property>::value), |
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331 | no_vertex_bundle, |
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332 | maybe_vertex_bundled>::type vertex_bundled; |
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333 | typedef typename ct_if<(is_same<maybe_edge_bundled, no_property>::value), |
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334 | no_edge_bundle, |
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335 | maybe_edge_bundled>::type edge_bundled; |
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336 | #else |
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337 | typedef VertexProperty vertex_property_type; |
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338 | typedef EdgeProperty edge_property_type; |
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339 | typedef no_vertex_bundle vertex_bundled; |
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340 | typedef no_edge_bundle edge_bundled; |
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341 | #endif |
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342 | |
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343 | private: |
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344 | typedef adjacency_list self; |
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345 | typedef typename detail::adj_list_gen< |
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346 | self, VertexListS, OutEdgeListS, DirectedS, |
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347 | vertex_property_type, edge_property_type, GraphProperty, EdgeListS |
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348 | >::type Base; |
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349 | |
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350 | public: |
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351 | typedef typename Base::stored_vertex stored_vertex; |
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352 | typedef typename Base::vertices_size_type vertices_size_type; |
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353 | typedef typename Base::edges_size_type edges_size_type; |
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354 | typedef typename Base::degree_size_type degree_size_type; |
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355 | typedef typename Base::vertex_descriptor vertex_descriptor; |
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356 | typedef typename Base::edge_descriptor edge_descriptor; |
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357 | typedef OutEdgeListS out_edge_list_selector; |
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358 | typedef VertexListS vertex_list_selector; |
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359 | typedef DirectedS directed_selector; |
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360 | typedef EdgeListS edge_list_selector; |
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361 | |
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362 | typedef GraphProperty graph_property_type; |
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363 | |
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364 | inline adjacency_list(const GraphProperty& p = GraphProperty()) |
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365 | : m_property(p) { } |
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366 | |
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367 | inline adjacency_list(const adjacency_list& x) |
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368 | : Base(x), m_property(x.m_property) { } |
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369 | |
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370 | inline adjacency_list& operator=(const adjacency_list& x) { |
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371 | // TBD: probably should give the strong guarantee |
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372 | if (&x != this) { |
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373 | Base::operator=(x); |
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374 | m_property = x.m_property; |
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375 | } |
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376 | return *this; |
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377 | } |
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378 | |
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379 | // Required by Mutable Graph |
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380 | inline adjacency_list(vertices_size_type num_vertices, |
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381 | const GraphProperty& p = GraphProperty()) |
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382 | : Base(num_vertices), m_property(p) { } |
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383 | |
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384 | #if !defined(BOOST_MSVC) || BOOST_MSVC >= 1300 |
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385 | // Required by Iterator Constructible Graph |
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386 | template <class EdgeIterator> |
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387 | inline adjacency_list(EdgeIterator first, EdgeIterator last, |
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388 | vertices_size_type n, |
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389 | edges_size_type = 0, |
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390 | const GraphProperty& p = GraphProperty()) |
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391 | : Base(n, first, last), m_property(p) { } |
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392 | |
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393 | template <class EdgeIterator, class EdgePropertyIterator> |
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394 | inline adjacency_list(EdgeIterator first, EdgeIterator last, |
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395 | EdgePropertyIterator ep_iter, |
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396 | vertices_size_type n, |
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397 | edges_size_type = 0, |
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398 | const GraphProperty& p = GraphProperty()) |
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399 | : Base(n, first, last, ep_iter), m_property(p) { } |
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400 | #endif |
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401 | |
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402 | void swap(adjacency_list& x) { |
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403 | // Is there a more efficient way to do this? |
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404 | adjacency_list tmp(x); |
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405 | x = *this; |
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406 | *this = tmp; |
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407 | } |
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408 | |
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409 | #ifndef BOOST_GRAPH_NO_BUNDLED_PROPERTIES |
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410 | // Directly access a vertex or edge bundle |
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411 | vertex_bundled& operator[](vertex_descriptor v) |
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412 | { return get(vertex_bundle, *this)[v]; } |
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413 | |
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414 | const vertex_bundled& operator[](vertex_descriptor v) const |
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415 | { return get(vertex_bundle, *this)[v]; } |
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416 | |
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417 | edge_bundled& operator[](edge_descriptor e) |
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418 | { return get(edge_bundle, *this)[e]; } |
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419 | |
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420 | const edge_bundled& operator[](edge_descriptor e) const |
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421 | { return get(edge_bundle, *this)[e]; } |
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422 | #endif |
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423 | |
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424 | // protected: (would be protected if friends were more portable) |
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425 | GraphProperty m_property; |
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426 | }; |
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427 | |
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428 | template <class OEL, class VL, class DirS, class VP,class EP, class GP, |
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429 | class EL, class Tag, class Value> |
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430 | inline void |
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431 | set_property(adjacency_list<OEL,VL,DirS,VP,EP,GP,EL>& g, Tag, |
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432 | const Value& value) { |
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433 | get_property_value(g.m_property, Tag()) = value;; |
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434 | } |
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435 | |
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436 | template <class OEL, class VL, class DirS, class VP, class EP, class GP, |
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437 | class Tag, class EL> |
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438 | inline |
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439 | typename graph_property<adjacency_list<OEL,VL,DirS,VP,EP,GP,EL>, Tag>::type& |
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440 | get_property(adjacency_list<OEL,VL,DirS,VP,EP,GP,EL>& g, Tag) { |
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441 | return get_property_value(g.m_property, Tag()); |
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442 | } |
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443 | |
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444 | template <class OEL, class VL, class DirS, class VP, class EP, class GP, |
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445 | class Tag, class EL> |
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446 | inline |
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447 | const |
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448 | typename graph_property<adjacency_list<OEL,VL,DirS,VP,EP,GP,EL>, Tag>::type& |
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449 | get_property(const adjacency_list<OEL,VL,DirS,VP,EP,GP,EL>& g, Tag) { |
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450 | return get_property_value(g.m_property, Tag()); |
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451 | } |
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452 | |
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453 | // dwa 09/25/00 - needed to be more explicit so reverse_graph would work. |
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454 | template <class Directed, class Vertex, |
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455 | class OutEdgeListS, |
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456 | class VertexListS, |
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457 | class DirectedS, |
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458 | class VertexProperty, |
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459 | class EdgeProperty, |
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460 | class GraphProperty, class EdgeListS> |
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461 | inline Vertex |
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462 | source(const detail::edge_base<Directed,Vertex>& e, |
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463 | const adjacency_list<OutEdgeListS, VertexListS, DirectedS, |
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464 | VertexProperty, EdgeProperty, GraphProperty, EdgeListS>&) |
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465 | { |
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466 | return e.m_source; |
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467 | } |
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468 | |
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469 | template <class Directed, class Vertex, class OutEdgeListS, |
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470 | class VertexListS, class DirectedS, class VertexProperty, |
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471 | class EdgeProperty, class GraphProperty, class EdgeListS> |
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472 | inline Vertex |
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473 | target(const detail::edge_base<Directed,Vertex>& e, |
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474 | const adjacency_list<OutEdgeListS, VertexListS, DirectedS, |
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475 | VertexProperty, EdgeProperty, GraphProperty, EdgeListS>&) |
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476 | { |
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477 | return e.m_target; |
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478 | } |
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479 | |
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480 | // Support for bundled properties |
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481 | #ifndef BOOST_GRAPH_NO_BUNDLED_PROPERTIES |
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482 | template<typename OutEdgeListS, typename VertexListS, typename DirectedS, typename VertexProperty, |
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483 | typename EdgeProperty, typename GraphProperty, typename EdgeListS, typename T, typename Bundle> |
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484 | inline |
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485 | typename property_map<adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty, |
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486 | GraphProperty, EdgeListS>, T Bundle::*>::type |
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487 | get(T Bundle::* p, adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty, |
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488 | GraphProperty, EdgeListS>& g) |
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489 | { |
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490 | typedef typename property_map<adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, |
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491 | EdgeProperty, GraphProperty, EdgeListS>, T Bundle::*>::type |
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492 | result_type; |
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493 | return result_type(&g, p); |
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494 | } |
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495 | |
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496 | template<typename OutEdgeListS, typename VertexListS, typename DirectedS, typename VertexProperty, |
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497 | typename EdgeProperty, typename GraphProperty, typename EdgeListS, typename T, typename Bundle> |
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498 | inline |
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499 | typename property_map<adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty, |
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500 | GraphProperty, EdgeListS>, T Bundle::*>::const_type |
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501 | get(T Bundle::* p, adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty, |
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502 | GraphProperty, EdgeListS> const & g) |
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503 | { |
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504 | typedef typename property_map<adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, |
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505 | EdgeProperty, GraphProperty, EdgeListS>, T Bundle::*>::const_type |
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506 | result_type; |
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507 | return result_type(&g, p); |
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508 | } |
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509 | |
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510 | template<typename OutEdgeListS, typename VertexListS, typename DirectedS, typename VertexProperty, |
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511 | typename EdgeProperty, typename GraphProperty, typename EdgeListS, typename T, typename Bundle, |
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512 | typename Key> |
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513 | inline T |
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514 | get(T Bundle::* p, adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty, |
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515 | GraphProperty, EdgeListS> const & g, const Key& key) |
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516 | { |
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517 | return get(get(p, g), key); |
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518 | } |
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519 | |
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520 | template<typename OutEdgeListS, typename VertexListS, typename DirectedS, typename VertexProperty, |
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521 | typename EdgeProperty, typename GraphProperty, typename EdgeListS, typename T, typename Bundle, |
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522 | typename Key> |
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523 | inline void |
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524 | put(T Bundle::* p, adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty, |
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525 | GraphProperty, EdgeListS>& g, const Key& key, const T& value) |
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526 | { |
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527 | put(get(p, g), key, value); |
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528 | } |
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529 | |
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530 | #endif |
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531 | |
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532 | |
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533 | } // namespace boost |
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534 | |
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535 | |
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536 | #endif // BOOST_GRAPH_ADJACENCY_LIST_HPP |
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