[209] | 1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
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[57] | 2 | * |
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[209] | 3 | * This file is a part of LEMON, a generic C++ optimization library. |
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[57] | 4 | * |
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[440] | 5 | * Copyright (C) 2003-2009 |
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[57] | 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_BITS_TRAITS_H |
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| 20 | #define LEMON_BITS_TRAITS_H |
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| 21 | |
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[314] | 22 | //\file |
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| 23 | //\brief Traits for graphs and maps |
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| 24 | // |
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[57] | 25 | |
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[220] | 26 | #include <lemon/bits/enable_if.h> |
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| 27 | |
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[57] | 28 | namespace lemon { |
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[220] | 29 | |
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| 30 | struct InvalidType {}; |
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| 31 | |
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[57] | 32 | template <typename _Graph, typename _Item> |
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| 33 | class ItemSetTraits {}; |
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[209] | 34 | |
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[57] | 35 | |
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| 36 | template <typename Graph, typename Enable = void> |
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| 37 | struct NodeNotifierIndicator { |
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| 38 | typedef InvalidType Type; |
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| 39 | }; |
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| 40 | template <typename Graph> |
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| 41 | struct NodeNotifierIndicator< |
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[209] | 42 | Graph, |
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[57] | 43 | typename enable_if<typename Graph::NodeNotifier::Notifier, void>::type |
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[209] | 44 | > { |
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[57] | 45 | typedef typename Graph::NodeNotifier Type; |
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| 46 | }; |
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| 47 | |
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| 48 | template <typename _Graph> |
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| 49 | class ItemSetTraits<_Graph, typename _Graph::Node> { |
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| 50 | public: |
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[209] | 51 | |
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[57] | 52 | typedef _Graph Graph; |
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| 53 | |
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| 54 | typedef typename Graph::Node Item; |
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| 55 | typedef typename Graph::NodeIt ItemIt; |
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| 56 | |
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| 57 | typedef typename NodeNotifierIndicator<Graph>::Type ItemNotifier; |
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| 58 | |
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| 59 | template <typename _Value> |
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| 60 | class Map : public Graph::template NodeMap<_Value> { |
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| 61 | public: |
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[209] | 62 | typedef typename Graph::template NodeMap<_Value> Parent; |
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| 63 | typedef typename Graph::template NodeMap<_Value> Type; |
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[57] | 64 | typedef typename Parent::Value Value; |
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| 65 | |
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| 66 | Map(const Graph& _digraph) : Parent(_digraph) {} |
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[209] | 67 | Map(const Graph& _digraph, const Value& _value) |
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| 68 | : Parent(_digraph, _value) {} |
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[57] | 69 | |
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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, typename Enable = void> |
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| 75 | struct ArcNotifierIndicator { |
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| 76 | typedef InvalidType Type; |
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| 77 | }; |
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| 78 | template <typename Graph> |
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| 79 | struct ArcNotifierIndicator< |
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[209] | 80 | Graph, |
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[57] | 81 | typename enable_if<typename Graph::ArcNotifier::Notifier, void>::type |
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[209] | 82 | > { |
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[57] | 83 | typedef typename Graph::ArcNotifier Type; |
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| 84 | }; |
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| 85 | |
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| 86 | template <typename _Graph> |
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| 87 | class ItemSetTraits<_Graph, typename _Graph::Arc> { |
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| 88 | public: |
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[209] | 89 | |
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[57] | 90 | typedef _Graph Graph; |
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| 91 | |
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| 92 | typedef typename Graph::Arc Item; |
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| 93 | typedef typename Graph::ArcIt ItemIt; |
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| 94 | |
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| 95 | typedef typename ArcNotifierIndicator<Graph>::Type ItemNotifier; |
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| 96 | |
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| 97 | template <typename _Value> |
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| 98 | class Map : public Graph::template ArcMap<_Value> { |
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| 99 | public: |
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[209] | 100 | typedef typename Graph::template ArcMap<_Value> Parent; |
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| 101 | typedef typename Graph::template ArcMap<_Value> Type; |
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[57] | 102 | typedef typename Parent::Value Value; |
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| 103 | |
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| 104 | Map(const Graph& _digraph) : Parent(_digraph) {} |
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[209] | 105 | Map(const Graph& _digraph, const Value& _value) |
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| 106 | : Parent(_digraph, _value) {} |
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[57] | 107 | }; |
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| 108 | |
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| 109 | }; |
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| 110 | |
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| 111 | template <typename Graph, typename Enable = void> |
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| 112 | struct EdgeNotifierIndicator { |
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| 113 | typedef InvalidType Type; |
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| 114 | }; |
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| 115 | template <typename Graph> |
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| 116 | struct EdgeNotifierIndicator< |
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[209] | 117 | Graph, |
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[57] | 118 | typename enable_if<typename Graph::EdgeNotifier::Notifier, void>::type |
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[209] | 119 | > { |
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[57] | 120 | typedef typename Graph::EdgeNotifier Type; |
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| 121 | }; |
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| 122 | |
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| 123 | template <typename _Graph> |
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| 124 | class ItemSetTraits<_Graph, typename _Graph::Edge> { |
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| 125 | public: |
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[209] | 126 | |
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[57] | 127 | typedef _Graph Graph; |
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| 128 | |
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| 129 | typedef typename Graph::Edge Item; |
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| 130 | typedef typename Graph::EdgeIt ItemIt; |
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| 131 | |
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| 132 | typedef typename EdgeNotifierIndicator<Graph>::Type ItemNotifier; |
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| 133 | |
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| 134 | template <typename _Value> |
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| 135 | class Map : public Graph::template EdgeMap<_Value> { |
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| 136 | public: |
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[209] | 137 | typedef typename Graph::template EdgeMap<_Value> Parent; |
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| 138 | typedef typename Graph::template EdgeMap<_Value> Type; |
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[57] | 139 | typedef typename Parent::Value Value; |
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| 140 | |
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| 141 | Map(const Graph& _digraph) : Parent(_digraph) {} |
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[209] | 142 | Map(const Graph& _digraph, const Value& _value) |
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| 143 | : Parent(_digraph, _value) {} |
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[57] | 144 | }; |
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| 145 | |
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| 146 | }; |
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| 147 | |
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| 148 | template <typename Map, typename Enable = void> |
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| 149 | struct MapTraits { |
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| 150 | typedef False ReferenceMapTag; |
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| 151 | |
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| 152 | typedef typename Map::Key Key; |
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| 153 | typedef typename Map::Value Value; |
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| 154 | |
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[184] | 155 | typedef Value ConstReturnValue; |
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| 156 | typedef Value ReturnValue; |
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[57] | 157 | }; |
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| 158 | |
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| 159 | template <typename Map> |
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| 160 | struct MapTraits< |
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[209] | 161 | Map, typename enable_if<typename Map::ReferenceMapTag, void>::type > |
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[57] | 162 | { |
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| 163 | typedef True ReferenceMapTag; |
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[209] | 164 | |
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[57] | 165 | typedef typename Map::Key Key; |
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| 166 | typedef typename Map::Value Value; |
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| 167 | |
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| 168 | typedef typename Map::ConstReference ConstReturnValue; |
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| 169 | typedef typename Map::Reference ReturnValue; |
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| 170 | |
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[209] | 171 | typedef typename Map::ConstReference ConstReference; |
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[57] | 172 | typedef typename Map::Reference Reference; |
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| 173 | }; |
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| 174 | |
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| 175 | template <typename MatrixMap, typename Enable = void> |
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| 176 | struct MatrixMapTraits { |
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| 177 | typedef False ReferenceMapTag; |
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| 178 | |
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| 179 | typedef typename MatrixMap::FirstKey FirstKey; |
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| 180 | typedef typename MatrixMap::SecondKey SecondKey; |
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| 181 | typedef typename MatrixMap::Value Value; |
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| 182 | |
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[184] | 183 | typedef Value ConstReturnValue; |
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| 184 | typedef Value ReturnValue; |
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[57] | 185 | }; |
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| 186 | |
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| 187 | template <typename MatrixMap> |
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| 188 | struct MatrixMapTraits< |
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[209] | 189 | MatrixMap, typename enable_if<typename MatrixMap::ReferenceMapTag, |
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| 190 | void>::type > |
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[57] | 191 | { |
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| 192 | typedef True ReferenceMapTag; |
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[209] | 193 | |
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[57] | 194 | typedef typename MatrixMap::FirstKey FirstKey; |
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| 195 | typedef typename MatrixMap::SecondKey SecondKey; |
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| 196 | typedef typename MatrixMap::Value Value; |
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| 197 | |
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| 198 | typedef typename MatrixMap::ConstReference ConstReturnValue; |
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| 199 | typedef typename MatrixMap::Reference ReturnValue; |
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| 200 | |
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[209] | 201 | typedef typename MatrixMap::ConstReference ConstReference; |
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[57] | 202 | typedef typename MatrixMap::Reference Reference; |
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| 203 | }; |
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| 204 | |
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| 205 | // Indicators for the tags |
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| 206 | |
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| 207 | template <typename Graph, typename Enable = void> |
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| 208 | struct NodeNumTagIndicator { |
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| 209 | static const bool value = false; |
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| 210 | }; |
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| 211 | |
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| 212 | template <typename Graph> |
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| 213 | struct NodeNumTagIndicator< |
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[209] | 214 | Graph, |
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[57] | 215 | typename enable_if<typename Graph::NodeNumTag, void>::type |
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| 216 | > { |
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| 217 | static const bool value = true; |
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| 218 | }; |
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| 219 | |
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| 220 | template <typename Graph, typename Enable = void> |
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[360] | 221 | struct ArcNumTagIndicator { |
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| 222 | static const bool value = false; |
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| 223 | }; |
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| 224 | |
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| 225 | template <typename Graph> |
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| 226 | struct ArcNumTagIndicator< |
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| 227 | Graph, |
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| 228 | typename enable_if<typename Graph::ArcNumTag, void>::type |
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| 229 | > { |
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| 230 | static const bool value = true; |
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| 231 | }; |
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| 232 | |
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| 233 | template <typename Graph, typename Enable = void> |
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[139] | 234 | struct EdgeNumTagIndicator { |
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[57] | 235 | static const bool value = false; |
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| 236 | }; |
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| 237 | |
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| 238 | template <typename Graph> |
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[139] | 239 | struct EdgeNumTagIndicator< |
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[209] | 240 | Graph, |
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[139] | 241 | typename enable_if<typename Graph::EdgeNumTag, void>::type |
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[57] | 242 | > { |
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| 243 | static const bool value = true; |
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| 244 | }; |
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| 245 | |
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| 246 | template <typename Graph, typename Enable = void> |
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[360] | 247 | struct FindArcTagIndicator { |
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| 248 | static const bool value = false; |
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| 249 | }; |
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| 250 | |
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| 251 | template <typename Graph> |
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| 252 | struct FindArcTagIndicator< |
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| 253 | Graph, |
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| 254 | typename enable_if<typename Graph::FindArcTag, void>::type |
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| 255 | > { |
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| 256 | static const bool value = true; |
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| 257 | }; |
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| 258 | |
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| 259 | template <typename Graph, typename Enable = void> |
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[139] | 260 | struct FindEdgeTagIndicator { |
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[57] | 261 | static const bool value = false; |
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| 262 | }; |
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| 263 | |
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| 264 | template <typename Graph> |
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[139] | 265 | struct FindEdgeTagIndicator< |
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[209] | 266 | Graph, |
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[139] | 267 | typename enable_if<typename Graph::FindEdgeTag, void>::type |
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[57] | 268 | > { |
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| 269 | static const bool value = true; |
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| 270 | }; |
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| 271 | |
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| 272 | template <typename Graph, typename Enable = void> |
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| 273 | struct UndirectedTagIndicator { |
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| 274 | static const bool value = false; |
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| 275 | }; |
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| 276 | |
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| 277 | template <typename Graph> |
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| 278 | struct UndirectedTagIndicator< |
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[209] | 279 | Graph, |
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[57] | 280 | typename enable_if<typename Graph::UndirectedTag, void>::type |
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| 281 | > { |
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| 282 | static const bool value = true; |
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| 283 | }; |
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| 284 | |
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| 285 | template <typename Graph, typename Enable = void> |
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| 286 | struct BuildTagIndicator { |
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| 287 | static const bool value = false; |
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| 288 | }; |
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| 289 | |
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| 290 | template <typename Graph> |
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| 291 | struct BuildTagIndicator< |
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[209] | 292 | Graph, |
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[57] | 293 | typename enable_if<typename Graph::BuildTag, void>::type |
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| 294 | > { |
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| 295 | static const bool value = true; |
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| 296 | }; |
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| 297 | |
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| 298 | } |
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| 299 | |
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| 300 | #endif |
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