[1719] | 1 | /* -*- C++ -*- |
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| 2 | * lemon/traits.h - Part of LEMON, a generic C++ optimization library |
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| 3 | * |
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[1875] | 4 | * Copyright (C) 2006 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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[1719] | 5 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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| 6 | * |
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| 7 | * Permission to use, modify and distribute this software is granted |
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| 8 | * provided that this copyright notice appears in all copies. For |
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| 9 | * precise terms see the accompanying LICENSE file. |
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| 10 | * |
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| 11 | * This software is provided "AS IS" with no warranty of any kind, |
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| 12 | * express or implied, and with no claim as to its suitability for any |
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| 13 | * purpose. |
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| 14 | * |
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| 15 | */ |
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| 16 | |
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| 17 | #ifndef LEMON_TRAITS_H |
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| 18 | #define LEMON_TRAITS_H |
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| 19 | |
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| 20 | #include <lemon/utility.h> |
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| 21 | |
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| 22 | ///\file |
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| 23 | ///\brief Traits for graphs and maps |
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| 24 | /// |
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| 25 | |
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| 26 | namespace lemon { |
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| 27 | template <typename _Graph, typename _Item> |
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| 28 | class ItemSetTraits {}; |
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| 29 | |
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| 30 | template <typename _Graph> |
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| 31 | class ItemSetTraits<_Graph, typename _Graph::Node> { |
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| 32 | public: |
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| 33 | |
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| 34 | typedef _Graph Graph; |
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| 35 | |
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| 36 | typedef typename Graph::Node Item; |
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| 37 | typedef typename Graph::NodeIt ItemIt; |
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| 38 | |
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| 39 | template <typename _Value> |
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| 40 | class Map : public Graph::template NodeMap<_Value> { |
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| 41 | public: |
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| 42 | typedef typename Graph::template NodeMap<_Value> Parent; |
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| 43 | typedef typename Parent::Value Value; |
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| 44 | |
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| 45 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 46 | Map(const Graph& _graph, const Value& _value) |
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| 47 | : Parent(_graph, _value) {} |
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| 48 | }; |
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| 49 | |
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| 50 | }; |
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| 51 | |
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| 52 | template <typename _Graph> |
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| 53 | class ItemSetTraits<_Graph, typename _Graph::Edge> { |
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| 54 | public: |
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| 55 | |
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| 56 | typedef _Graph Graph; |
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| 57 | |
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| 58 | typedef typename Graph::Edge Item; |
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| 59 | typedef typename Graph::EdgeIt ItemIt; |
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| 60 | |
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| 61 | template <typename _Value> |
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| 62 | class Map : public Graph::template EdgeMap<_Value> { |
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| 63 | public: |
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| 64 | typedef typename Graph::template EdgeMap<_Value> Parent; |
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| 65 | typedef typename Parent::Value Value; |
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| 66 | |
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| 67 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 68 | Map(const Graph& _graph, const Value& _value) |
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| 69 | : Parent(_graph, _value) {} |
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| 70 | }; |
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| 71 | |
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| 72 | }; |
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| 73 | |
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| 74 | template <typename _Graph> |
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[1909] | 75 | class ItemSetTraits<_Graph, typename _Graph::UEdge> { |
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[1719] | 76 | public: |
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| 77 | |
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| 78 | typedef _Graph Graph; |
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| 79 | |
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[1909] | 80 | typedef typename Graph::UEdge Item; |
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| 81 | typedef typename Graph::UEdgeIt ItemIt; |
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[1719] | 82 | |
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| 83 | template <typename _Value> |
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[1909] | 84 | class Map : public Graph::template UEdgeMap<_Value> { |
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[1719] | 85 | public: |
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[1909] | 86 | typedef typename Graph::template UEdgeMap<_Value> Parent; |
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[1719] | 87 | typedef typename Parent::Value Value; |
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| 88 | |
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| 89 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 90 | Map(const Graph& _graph, const Value& _value) |
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| 91 | : Parent(_graph, _value) {} |
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| 92 | }; |
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| 93 | |
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| 94 | }; |
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| 95 | |
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[1915] | 96 | |
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| 97 | template <typename _Graph> |
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| 98 | class ItemSetTraits<_Graph, typename _Graph::ANode> { |
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| 99 | public: |
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| 100 | |
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| 101 | typedef _Graph Graph; |
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| 102 | |
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| 103 | typedef typename Graph::ANode Item; |
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| 104 | typedef typename Graph::ANodeIt ItemIt; |
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| 105 | |
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| 106 | template <typename _Value> |
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| 107 | class Map : public Graph::template ANodeMap<_Value> { |
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| 108 | public: |
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| 109 | typedef typename Graph::template ANodeMap<_Value> Parent; |
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| 110 | typedef typename Parent::Value Value; |
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| 111 | |
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| 112 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 113 | Map(const Graph& _graph, const Value& _value) |
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| 114 | : Parent(_graph, _value) {} |
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| 115 | }; |
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| 116 | |
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| 117 | }; |
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| 118 | |
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| 119 | template <typename _Graph> |
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| 120 | class ItemSetTraits<_Graph, typename _Graph::BNode> { |
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| 121 | public: |
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| 122 | |
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| 123 | typedef _Graph Graph; |
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| 124 | |
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| 125 | typedef typename Graph::BNode Item; |
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| 126 | typedef typename Graph::BNodeIt ItemIt; |
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| 127 | |
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| 128 | template <typename _Value> |
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| 129 | class Map : public Graph::template BNodeMap<_Value> { |
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| 130 | public: |
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| 131 | typedef typename Graph::template BNodeMap<_Value> Parent; |
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| 132 | typedef typename Parent::Value Value; |
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| 133 | |
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| 134 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 135 | Map(const Graph& _graph, const Value& _value) |
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| 136 | : Parent(_graph, _value) {} |
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| 137 | }; |
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| 138 | |
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| 139 | }; |
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| 140 | |
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| 141 | |
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[1719] | 142 | template <typename Map, typename Enable = void> |
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| 143 | struct MapTraits { |
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| 144 | typedef False ReferenceMapTag; |
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| 145 | |
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| 146 | typedef typename Map::Key Key; |
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| 147 | typedef typename Map::Value Value; |
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| 148 | |
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[1790] | 149 | typedef const Value ConstReturnValue; |
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| 150 | typedef const Value ReturnValue; |
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[1719] | 151 | }; |
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| 152 | |
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| 153 | template <typename Map> |
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| 154 | struct MapTraits< |
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| 155 | Map, typename enable_if<typename Map::ReferenceMapTag, void>::type > |
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| 156 | { |
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| 157 | typedef True ReferenceMapTag; |
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| 158 | |
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| 159 | typedef typename Map::Key Key; |
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| 160 | typedef typename Map::Value Value; |
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| 161 | |
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| 162 | typedef typename Map::ConstReference ConstReturnValue; |
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| 163 | typedef typename Map::Reference ReturnValue; |
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| 164 | |
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| 165 | typedef typename Map::ConstReference ConstReference; |
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| 166 | typedef typename Map::Reference Reference; |
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| 167 | }; |
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| 168 | |
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| 169 | // Indicators for the tags |
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| 170 | |
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| 171 | template <typename Graph, typename Enable = void> |
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| 172 | struct NodeNumTagIndicator { |
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| 173 | static const bool value = false; |
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| 174 | }; |
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| 175 | |
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| 176 | template <typename Graph> |
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| 177 | struct NodeNumTagIndicator< |
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| 178 | Graph, |
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| 179 | typename enable_if<typename Graph::NodeNumTag, void>::type |
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| 180 | > { |
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| 181 | static const bool value = true; |
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| 182 | }; |
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| 183 | |
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| 184 | template <typename Graph, typename Enable = void> |
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| 185 | struct EdgeNumTagIndicator { |
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| 186 | static const bool value = false; |
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| 187 | }; |
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| 188 | |
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| 189 | template <typename Graph> |
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| 190 | struct EdgeNumTagIndicator< |
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| 191 | Graph, |
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| 192 | typename enable_if<typename Graph::EdgeNumTag, void>::type |
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| 193 | > { |
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| 194 | static const bool value = true; |
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| 195 | }; |
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| 196 | |
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| 197 | template <typename Graph, typename Enable = void> |
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| 198 | struct FindEdgeTagIndicator { |
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| 199 | static const bool value = false; |
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| 200 | }; |
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| 201 | |
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| 202 | template <typename Graph> |
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| 203 | struct FindEdgeTagIndicator< |
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| 204 | Graph, |
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| 205 | typename enable_if<typename Graph::FindEdgeTag, void>::type |
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| 206 | > { |
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| 207 | static const bool value = true; |
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| 208 | }; |
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| 209 | |
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| 210 | |
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| 211 | |
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| 212 | } |
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| 213 | |
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| 214 | #endif // LEMON_MAPS_H |
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