[915] | 1 | /* -*- C++ -*- |
---|
[921] | 2 | * src/lemon/merge_node_graph_wrapper.h - Part of LEMON, a generic C++ optimization library |
---|
[915] | 3 | * |
---|
| 4 | * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
| 5 | * (Egervary Combinatorial Optimization Research Group, EGRES). |
---|
| 6 | * |
---|
| 7 | * Permission to use, modify and distribute this software is granted |
---|
| 8 | * provided that this copyright notice appears in all copies. For |
---|
| 9 | * precise terms see the accompanying LICENSE file. |
---|
| 10 | * |
---|
| 11 | * This software is provided "AS IS" with no warranty of any kind, |
---|
| 12 | * express or implied, and with no claim as to its suitability for any |
---|
| 13 | * purpose. |
---|
| 14 | * |
---|
| 15 | */ |
---|
| 16 | |
---|
[921] | 17 | #ifndef LEMON_MERGE_NODE_GRAPH_WRAPPER_H |
---|
| 18 | #define LEMON_MERGE_NODE_GRAPH_WRAPPER_H |
---|
[917] | 19 | |
---|
[921] | 20 | #include <lemon/invalid.h> |
---|
| 21 | #include <lemon/maps.h> |
---|
| 22 | #include <lemon/map_defines.h> |
---|
| 23 | #include <lemon/graph_wrapper.h> |
---|
[915] | 24 | #include <iostream> |
---|
| 25 | |
---|
[1007] | 26 | #include <boost/type_traits.hpp> |
---|
| 27 | #include <boost/utility/enable_if.hpp> |
---|
| 28 | |
---|
[921] | 29 | namespace lemon { |
---|
[915] | 30 | |
---|
[1007] | 31 | template <class _Graph1> |
---|
| 32 | class P1 : public GraphWrapperBase<_Graph1> { |
---|
| 33 | }; |
---|
| 34 | |
---|
| 35 | template <class _Graph2> |
---|
| 36 | class P2 : public GraphWrapperBase<_Graph2> { |
---|
| 37 | }; |
---|
| 38 | |
---|
[1002] | 39 | template <typename _Graph1, typename _Graph2, typename Enable=void> |
---|
| 40 | class MergeNodeGraphWrapperBase : |
---|
[1007] | 41 | public P1<_Graph1>, public P2<_Graph2> { |
---|
[915] | 42 | public: |
---|
[1007] | 43 | void print() const { std::cout << "generic" << std::endl; } |
---|
[1002] | 44 | typedef _Graph1 Graph1; |
---|
| 45 | typedef _Graph2 Graph2; |
---|
[1007] | 46 | typedef P1<_Graph1> Parent1; |
---|
| 47 | typedef P2<_Graph2> Parent2; |
---|
[1002] | 48 | typedef typename Parent1::Node Graph1Node; |
---|
| 49 | typedef typename Parent2::Node Graph2Node; |
---|
| 50 | protected: |
---|
| 51 | MergeNodeGraphWrapperBase() { } |
---|
| 52 | public: |
---|
| 53 | template <typename _Value> class NodeMap; |
---|
[915] | 54 | |
---|
| 55 | class Node : public Graph1Node, public Graph2Node { |
---|
[1002] | 56 | friend class MergeNodeGraphWrapperBase<_Graph1, _Graph2>; |
---|
| 57 | template <typename Value> friend class NodeMap; |
---|
[915] | 58 | protected: |
---|
| 59 | bool backward; //true, iff backward |
---|
| 60 | public: |
---|
| 61 | Node() { } |
---|
| 62 | /// \todo =false is needed, or causes problems? |
---|
| 63 | /// If \c _backward is false, then we get an edge corresponding to the |
---|
| 64 | /// original one, otherwise its oppositely directed pair is obtained. |
---|
| 65 | Node(const Graph1Node& n1, |
---|
| 66 | const Graph2Node& n2, bool _backward) : |
---|
| 67 | Graph1Node(n1), Graph2Node(n2), backward(_backward) { } |
---|
| 68 | Node(Invalid i) : Graph1Node(i), Graph2Node(i), backward(true) { } |
---|
| 69 | bool operator==(const Node& v) const { |
---|
| 70 | return (this->backward==v.backward && |
---|
| 71 | static_cast<Graph1Node>(*this)== |
---|
| 72 | static_cast<Graph1Node>(v) && |
---|
| 73 | static_cast<Graph2Node>(*this)== |
---|
| 74 | static_cast<Graph2Node>(v)); |
---|
| 75 | } |
---|
| 76 | bool operator!=(const Node& v) const { |
---|
| 77 | return (this->backward!=v.backward || |
---|
| 78 | static_cast<Graph1Node>(*this)!= |
---|
| 79 | static_cast<Graph1Node>(v) || |
---|
| 80 | static_cast<Graph2Node>(*this)!= |
---|
| 81 | static_cast<Graph2Node>(v)); |
---|
| 82 | } |
---|
| 83 | }; |
---|
| 84 | |
---|
[1002] | 85 | //typedef void Edge; |
---|
| 86 | class Edge { }; |
---|
| 87 | |
---|
| 88 | void first(Node& i) const { |
---|
| 89 | Parent1::graph->first(*static_cast<Graph1Node*>(&i)); |
---|
| 90 | i.backward=false; |
---|
| 91 | if (*static_cast<Graph1Node*>(&i)==INVALID) { |
---|
| 92 | Parent2::graph->first(*static_cast<Graph2Node*>(&i)); |
---|
| 93 | i.backward=true; |
---|
| 94 | } |
---|
| 95 | } |
---|
| 96 | void next(Node& i) const { |
---|
| 97 | if (!(i.backward)) { |
---|
| 98 | Parent1::graph->next(*static_cast<Graph1Node*>(&i)); |
---|
| 99 | if (*static_cast<Graph1Node*>(&i)==INVALID) { |
---|
| 100 | Parent2::graph->first(*static_cast<Graph2Node*>(&i)); |
---|
| 101 | i.backward=true; |
---|
[915] | 102 | } |
---|
[1002] | 103 | } else { |
---|
| 104 | Parent2::graph->next(*static_cast<Graph2Node*>(&i)); |
---|
[915] | 105 | } |
---|
[1002] | 106 | } |
---|
[915] | 107 | |
---|
| 108 | int id(const Node& n) const { |
---|
| 109 | if (!n.backward) |
---|
| 110 | return this->Parent1::graph->id(n); |
---|
| 111 | else |
---|
| 112 | return this->Parent2::graph->id(n); |
---|
| 113 | } |
---|
| 114 | |
---|
[1002] | 115 | template <typename _Value> |
---|
| 116 | class NodeMap : public Parent1::template NodeMap<_Value>, |
---|
| 117 | public Parent2::template NodeMap<_Value> { |
---|
| 118 | typedef typename Parent1::template NodeMap<_Value> ParentMap1; |
---|
| 119 | typedef typename Parent2::template NodeMap<_Value> ParentMap2; |
---|
[917] | 120 | public: |
---|
[1002] | 121 | typedef _Value Value; |
---|
| 122 | typedef Node Key; |
---|
| 123 | NodeMap(const MergeNodeGraphWrapperBase<_Graph1, _Graph2>& gw) : |
---|
| 124 | ParentMap1(gw), ParentMap2(gw) { } |
---|
| 125 | NodeMap(const MergeNodeGraphWrapperBase<_Graph1, _Graph2>& gw, |
---|
| 126 | const _Value& value) : |
---|
| 127 | ParentMap1(gw, value), ParentMap2(gw, value) { } |
---|
| 128 | // NodeMap(const NodeMap& copy) |
---|
| 129 | // : ParentMap1(copy), |
---|
| 130 | // ParentMap2(copy) { } |
---|
| 131 | // template <typename TT> |
---|
| 132 | // NodeMap(const NodeMap<TT>& copy) |
---|
| 133 | // : ParentMap1(copy), |
---|
| 134 | // ParentMap2(copy) { } |
---|
| 135 | // NodeMap& operator=(const NodeMap& copy) { |
---|
| 136 | // ParentMap1::operator=(copy); |
---|
| 137 | // ParentMap2::operator=(copy); |
---|
| 138 | // return *this; |
---|
| 139 | // } |
---|
| 140 | // template <typename TT> |
---|
| 141 | // NodeMap& operator=(const NodeMap<TT>& copy) { |
---|
| 142 | // ParentMap1::operator=(copy); |
---|
| 143 | // ParentMap2::operator=(copy); |
---|
| 144 | // return *this; |
---|
| 145 | // } |
---|
| 146 | _Value operator[](const Node& n) const { |
---|
[917] | 147 | if (!n.backward) |
---|
| 148 | return ParentMap1::operator[](n); |
---|
| 149 | else |
---|
| 150 | return ParentMap2::operator[](n); |
---|
| 151 | } |
---|
[1002] | 152 | void set(const Node& n, const _Value& value) { |
---|
[917] | 153 | if (!n.backward) |
---|
| 154 | ParentMap1::set(n, value); |
---|
| 155 | else |
---|
| 156 | ParentMap2::set(n, value); |
---|
| 157 | } |
---|
| 158 | using ParentMap1::operator[]; |
---|
| 159 | using ParentMap2::operator[]; |
---|
| 160 | }; |
---|
[1002] | 161 | |
---|
| 162 | }; |
---|
| 163 | |
---|
[1007] | 164 | template <typename _Graph1, typename _Graph2> |
---|
| 165 | class MergeNodeGraphWrapperBase< |
---|
| 166 | _Graph1, _Graph2, typename boost::enable_if< |
---|
| 167 | boost::is_same<typename _Graph1::Node, typename _Graph2::Node> >::type> : |
---|
| 168 | public P1<_Graph1>, public P2<_Graph2> { |
---|
| 169 | public : |
---|
| 170 | void print() const { std::cout << "same" << std::endl; } |
---|
| 171 | typedef _Graph1 Graph1; |
---|
| 172 | typedef _Graph2 Graph2; |
---|
| 173 | typedef P1<_Graph1> Parent1; |
---|
| 174 | typedef P2<_Graph2> Parent2; |
---|
| 175 | typedef typename Parent1::Node Graph1Node; |
---|
| 176 | typedef typename Parent2::Node Graph2Node; |
---|
| 177 | protected: |
---|
| 178 | MergeNodeGraphWrapperBase() { } |
---|
| 179 | public: |
---|
| 180 | class Node { }; |
---|
| 181 | class Edge { }; |
---|
| 182 | void first() const; |
---|
| 183 | void next() const; |
---|
| 184 | }; |
---|
| 185 | |
---|
| 186 | template <typename _Graph1, typename _Graph2> |
---|
| 187 | class MergeNodeGraphWrapperBase< |
---|
| 188 | _Graph1, _Graph2, typename boost::enable_if< |
---|
| 189 | boost::is_base_and_derived<typename _Graph1::Node, typename _Graph2::Node> >::type> : |
---|
| 190 | public P1<_Graph1>, public P2<_Graph2> { |
---|
| 191 | public : |
---|
| 192 | void print() const { std::cout << "2. nagyobb" << std::endl; } |
---|
| 193 | typedef _Graph1 Graph1; |
---|
| 194 | typedef _Graph2 Graph2; |
---|
| 195 | typedef P1<_Graph1> Parent1; |
---|
| 196 | typedef P2<_Graph2> Parent2; |
---|
| 197 | typedef typename Parent1::Node Graph1Node; |
---|
| 198 | typedef typename Parent2::Node Graph2Node; |
---|
| 199 | protected: |
---|
| 200 | MergeNodeGraphWrapperBase() { } |
---|
| 201 | public: |
---|
| 202 | class Node { }; |
---|
| 203 | class Edge { }; |
---|
| 204 | void first() const; |
---|
| 205 | void next() const; |
---|
| 206 | }; |
---|
| 207 | |
---|
| 208 | template <typename _Graph1, typename _Graph2> |
---|
| 209 | class MergeNodeGraphWrapperBase< |
---|
| 210 | _Graph1, _Graph2, typename boost::enable_if< |
---|
| 211 | boost::is_base_and_derived<typename _Graph2::Node, typename _Graph1::Node> >::type> : |
---|
| 212 | public P1<_Graph1>, public P2<_Graph2> { |
---|
| 213 | public : |
---|
| 214 | void print() const { std::cout << "1. nagyobb" << std::endl; } |
---|
| 215 | typedef _Graph1 Graph1; |
---|
| 216 | typedef _Graph2 Graph2; |
---|
| 217 | typedef P1<_Graph1> Parent1; |
---|
| 218 | typedef P2<_Graph2> Parent2; |
---|
| 219 | typedef typename Parent1::Node Graph1Node; |
---|
| 220 | typedef typename Parent2::Node Graph2Node; |
---|
| 221 | protected: |
---|
| 222 | MergeNodeGraphWrapperBase() { } |
---|
| 223 | public: |
---|
| 224 | class Node { }; |
---|
| 225 | class Edge { }; |
---|
| 226 | void first() const; |
---|
| 227 | void next() const; |
---|
| 228 | }; |
---|
| 229 | |
---|
[1002] | 230 | |
---|
| 231 | template <typename _Graph1, typename _Graph2, typename Enable=void> |
---|
| 232 | class MergeNodeGraphWrapper : public |
---|
| 233 | IterableGraphExtender<MergeNodeGraphWrapperBase<_Graph1, _Graph2, Enable> > { |
---|
| 234 | public: |
---|
| 235 | typedef _Graph1 Graph1; |
---|
| 236 | typedef _Graph2 Graph2; |
---|
| 237 | typedef IterableGraphExtender< |
---|
| 238 | MergeNodeGraphWrapperBase<_Graph1, _Graph2, Enable> > Parent; |
---|
| 239 | protected: |
---|
| 240 | MergeNodeGraphWrapper() { } |
---|
| 241 | public: |
---|
| 242 | MergeNodeGraphWrapper(_Graph1& _graph1, _Graph2& _graph2) { |
---|
| 243 | Parent::Parent1::setGraph(_graph1); |
---|
| 244 | Parent::Parent2::setGraph(_graph2); |
---|
| 245 | } |
---|
[915] | 246 | }; |
---|
| 247 | |
---|
[921] | 248 | } //namespace lemon |
---|
[915] | 249 | |
---|
[921] | 250 | #endif //LEMON_MERGE_NODE_GRAPH_WRAPPER_H |
---|