[1719] | 1 | /* -*- C++ -*- |
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| 2 | * |
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[1956] | 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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[1719] | 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_TRAITS_H |
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| 20 | #define LEMON_TRAITS_H |
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| 21 | |
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| 22 | #include <lemon/utility.h> |
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| 23 | |
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| 24 | ///\file |
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| 25 | ///\brief Traits for graphs and maps |
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| 26 | /// |
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| 27 | |
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| 28 | namespace lemon { |
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| 29 | template <typename _Graph, typename _Item> |
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| 30 | class ItemSetTraits {}; |
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| 31 | |
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| 32 | template <typename _Graph> |
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| 33 | class ItemSetTraits<_Graph, typename _Graph::Node> { |
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| 34 | public: |
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| 35 | |
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| 36 | typedef _Graph Graph; |
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| 37 | |
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| 38 | typedef typename Graph::Node Item; |
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| 39 | typedef typename Graph::NodeIt ItemIt; |
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| 40 | |
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| 41 | template <typename _Value> |
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| 42 | class Map : public Graph::template NodeMap<_Value> { |
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| 43 | public: |
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| 44 | typedef typename Graph::template NodeMap<_Value> Parent; |
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| 45 | typedef typename Parent::Value Value; |
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| 46 | |
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| 47 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 48 | Map(const Graph& _graph, const Value& _value) |
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| 49 | : Parent(_graph, _value) {} |
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| 50 | }; |
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| 51 | |
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| 52 | }; |
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| 53 | |
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| 54 | template <typename _Graph> |
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| 55 | class ItemSetTraits<_Graph, typename _Graph::Edge> { |
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| 56 | public: |
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| 57 | |
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| 58 | typedef _Graph Graph; |
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| 59 | |
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| 60 | typedef typename Graph::Edge Item; |
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| 61 | typedef typename Graph::EdgeIt ItemIt; |
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| 62 | |
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| 63 | template <typename _Value> |
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| 64 | class Map : public Graph::template EdgeMap<_Value> { |
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| 65 | public: |
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| 66 | typedef typename Graph::template EdgeMap<_Value> Parent; |
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| 67 | typedef typename Parent::Value Value; |
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| 68 | |
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| 69 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 70 | Map(const Graph& _graph, const Value& _value) |
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| 71 | : Parent(_graph, _value) {} |
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| 72 | }; |
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| 73 | |
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| 74 | }; |
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| 75 | |
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| 76 | template <typename _Graph> |
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[1909] | 77 | class ItemSetTraits<_Graph, typename _Graph::UEdge> { |
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[1719] | 78 | public: |
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| 79 | |
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| 80 | typedef _Graph Graph; |
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| 81 | |
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[1909] | 82 | typedef typename Graph::UEdge Item; |
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| 83 | typedef typename Graph::UEdgeIt ItemIt; |
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[1719] | 84 | |
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| 85 | template <typename _Value> |
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[1909] | 86 | class Map : public Graph::template UEdgeMap<_Value> { |
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[1719] | 87 | public: |
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[1909] | 88 | typedef typename Graph::template UEdgeMap<_Value> Parent; |
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[1719] | 89 | typedef typename Parent::Value Value; |
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| 90 | |
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| 91 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 92 | Map(const Graph& _graph, const Value& _value) |
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| 93 | : Parent(_graph, _value) {} |
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| 94 | }; |
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| 95 | |
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| 96 | }; |
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| 97 | |
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[1915] | 98 | |
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| 99 | template <typename _Graph> |
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| 100 | class ItemSetTraits<_Graph, typename _Graph::ANode> { |
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| 101 | public: |
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| 102 | |
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| 103 | typedef _Graph Graph; |
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| 104 | |
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| 105 | typedef typename Graph::ANode Item; |
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| 106 | typedef typename Graph::ANodeIt ItemIt; |
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| 107 | |
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| 108 | template <typename _Value> |
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| 109 | class Map : public Graph::template ANodeMap<_Value> { |
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| 110 | public: |
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| 111 | typedef typename Graph::template ANodeMap<_Value> Parent; |
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| 112 | typedef typename Parent::Value Value; |
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| 113 | |
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| 114 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 115 | Map(const Graph& _graph, const Value& _value) |
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| 116 | : Parent(_graph, _value) {} |
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| 117 | }; |
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| 118 | |
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| 119 | }; |
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| 120 | |
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| 121 | template <typename _Graph> |
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| 122 | class ItemSetTraits<_Graph, typename _Graph::BNode> { |
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| 123 | public: |
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| 124 | |
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| 125 | typedef _Graph Graph; |
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| 126 | |
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| 127 | typedef typename Graph::BNode Item; |
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| 128 | typedef typename Graph::BNodeIt ItemIt; |
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| 129 | |
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| 130 | template <typename _Value> |
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| 131 | class Map : public Graph::template BNodeMap<_Value> { |
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| 132 | public: |
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| 133 | typedef typename Graph::template BNodeMap<_Value> Parent; |
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| 134 | typedef typename Parent::Value Value; |
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| 135 | |
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| 136 | Map(const Graph& _graph) : Parent(_graph) {} |
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| 137 | Map(const Graph& _graph, const Value& _value) |
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| 138 | : Parent(_graph, _value) {} |
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| 139 | }; |
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| 140 | |
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| 141 | }; |
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| 142 | |
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| 143 | |
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[1719] | 144 | template <typename Map, typename Enable = void> |
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| 145 | struct MapTraits { |
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| 146 | typedef False ReferenceMapTag; |
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| 147 | |
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| 148 | typedef typename Map::Key Key; |
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| 149 | typedef typename Map::Value Value; |
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| 150 | |
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[1790] | 151 | typedef const Value ConstReturnValue; |
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| 152 | typedef const Value ReturnValue; |
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[1719] | 153 | }; |
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| 154 | |
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| 155 | template <typename Map> |
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| 156 | struct MapTraits< |
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| 157 | Map, typename enable_if<typename Map::ReferenceMapTag, void>::type > |
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| 158 | { |
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| 159 | typedef True ReferenceMapTag; |
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| 160 | |
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| 161 | typedef typename Map::Key Key; |
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| 162 | typedef typename Map::Value Value; |
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| 163 | |
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| 164 | typedef typename Map::ConstReference ConstReturnValue; |
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| 165 | typedef typename Map::Reference ReturnValue; |
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| 166 | |
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| 167 | typedef typename Map::ConstReference ConstReference; |
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| 168 | typedef typename Map::Reference Reference; |
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| 169 | }; |
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| 170 | |
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| 171 | // Indicators for the tags |
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| 172 | |
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| 173 | template <typename Graph, typename Enable = void> |
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| 174 | struct NodeNumTagIndicator { |
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| 175 | static const bool value = false; |
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| 176 | }; |
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| 177 | |
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| 178 | template <typename Graph> |
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| 179 | struct NodeNumTagIndicator< |
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| 180 | Graph, |
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| 181 | typename enable_if<typename Graph::NodeNumTag, void>::type |
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| 182 | > { |
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| 183 | static const bool value = true; |
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| 184 | }; |
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| 185 | |
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| 186 | template <typename Graph, typename Enable = void> |
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| 187 | struct EdgeNumTagIndicator { |
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| 188 | static const bool value = false; |
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| 189 | }; |
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| 190 | |
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| 191 | template <typename Graph> |
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| 192 | struct EdgeNumTagIndicator< |
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| 193 | Graph, |
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| 194 | typename enable_if<typename Graph::EdgeNumTag, void>::type |
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| 195 | > { |
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| 196 | static const bool value = true; |
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| 197 | }; |
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| 198 | |
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| 199 | template <typename Graph, typename Enable = void> |
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| 200 | struct FindEdgeTagIndicator { |
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| 201 | static const bool value = false; |
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| 202 | }; |
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| 203 | |
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| 204 | template <typename Graph> |
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| 205 | struct FindEdgeTagIndicator< |
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| 206 | Graph, |
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| 207 | typename enable_if<typename Graph::FindEdgeTag, void>::type |
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| 208 | > { |
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| 209 | static const bool value = true; |
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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 | } |
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| 215 | |
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| 216 | #endif // LEMON_MAPS_H |
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