[174] | 1 | // -*- c++ -*- |
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[496] | 2 | #ifndef HUGO_BIPARTITE_GRAPH_WRAPPER_H |
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| 3 | #define HUGO_BIPARTITE_GRAPH_WRAPPER_H |
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[76] | 4 | |
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[491] | 5 | ///\ingroup gwrappers |
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[457] | 6 | ///\file |
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| 7 | ///\brief Several graph wrappers. |
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| 8 | /// |
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| 9 | ///This file contains several useful graph wrapper functions. |
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| 10 | /// |
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| 11 | ///\author Marton Makai |
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| 12 | |
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[174] | 13 | #include <invalid.h> |
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[368] | 14 | #include <iter_map.h> |
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[496] | 15 | #include <graph_wrapper.h> |
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[174] | 16 | |
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[105] | 17 | namespace hugo { |
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[76] | 18 | |
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[368] | 19 | /// A wrapper for composing a bipartite graph. |
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[371] | 20 | /// \c _graph have to be a reference to a graph of type \c Graph |
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| 21 | /// and \c _s_false_t_true_map is an \c IterableBoolMap |
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[368] | 22 | /// reference containing the elements for the |
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[371] | 23 | /// color classes S and T. \c _graph is to be referred to an undirected |
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| 24 | /// graph or a directed graph with edges oriented from S to T. |
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[457] | 25 | /// |
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| 26 | ///\author Marton Makai |
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[368] | 27 | template<typename Graph> |
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| 28 | class BipartiteGraphWrapper : public GraphWrapper<Graph> { |
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[497] | 29 | protected: |
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[389] | 30 | typedef IterableBoolMap< typename Graph::template NodeMap<int> > |
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| 31 | SFalseTTrueMap; |
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[368] | 32 | SFalseTTrueMap* s_false_t_true_map; |
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[393] | 33 | |
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[497] | 34 | BipartiteGraphWrapper() : GraphWrapper<Graph>(0) { } |
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| 35 | void setSFalseTTrueMap(SFalseTTrueMap& _s_false_t_true_map) { |
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| 36 | s_false_t_true_map=_s_false_t_true_map; |
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| 37 | } |
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| 38 | |
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[368] | 39 | public: |
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[409] | 40 | //marci |
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| 41 | //FIXME vhogy igy kellene, csak az en forditom nem eszi meg |
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| 42 | //static const bool S_CLASS=false; |
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| 43 | //static const bool T_CLASS=true; |
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[379] | 44 | |
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[409] | 45 | bool S_CLASS; |
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| 46 | bool T_CLASS; |
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| 47 | |
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[368] | 48 | BipartiteGraphWrapper(Graph& _graph, SFalseTTrueMap& _s_false_t_true_map) |
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[409] | 49 | : GraphWrapper<Graph>(_graph), s_false_t_true_map(&_s_false_t_true_map), |
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| 50 | S_CLASS(false), T_CLASS(true) { } |
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[368] | 51 | typedef typename GraphWrapper<Graph>::Node Node; |
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| 52 | //using GraphWrapper<Graph>::NodeIt; |
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| 53 | typedef typename GraphWrapper<Graph>::Edge Edge; |
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| 54 | //using GraphWrapper<Graph>::EdgeIt; |
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[393] | 55 | class ClassNodeIt; |
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| 56 | friend class ClassNodeIt; |
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| 57 | class OutEdgeIt; |
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| 58 | friend class OutEdgeIt; |
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| 59 | class InEdgeIt; |
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| 60 | friend class InEdgeIt; |
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[379] | 61 | class ClassNodeIt { |
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[393] | 62 | friend class BipartiteGraphWrapper<Graph>; |
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| 63 | protected: |
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[368] | 64 | Node n; |
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| 65 | public: |
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[379] | 66 | ClassNodeIt() { } |
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| 67 | ClassNodeIt(const Invalid& i) : n(i) { } |
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| 68 | ClassNodeIt(const BipartiteGraphWrapper<Graph>& _G, bool _class) { |
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| 69 | _G.s_false_t_true_map->first(n, _class); |
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[368] | 70 | } |
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[381] | 71 | //FIXME needed in new concept, important here |
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| 72 | ClassNodeIt(const Node& _n) : n(_n) { } |
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[368] | 73 | operator Node() const { return n; } |
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| 74 | }; |
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[379] | 75 | // class SNodeIt { |
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| 76 | // Node n; |
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| 77 | // public: |
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| 78 | // SNodeIt() { } |
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| 79 | // SNodeIt(const Invalid& i) : n(i) { } |
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| 80 | // SNodeIt(const BipartiteGraphWrapper<Graph>& _G) { |
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| 81 | // _G.s_false_t_true_map->first(n, false); |
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| 82 | // } |
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| 83 | // operator Node() const { return n; } |
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| 84 | // }; |
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| 85 | // class TNodeIt { |
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| 86 | // Node n; |
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| 87 | // public: |
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| 88 | // TNodeIt() { } |
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| 89 | // TNodeIt(const Invalid& i) : n(i) { } |
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| 90 | // TNodeIt(const BipartiteGraphWrapper<Graph>& _G) { |
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| 91 | // _G.s_false_t_true_map->first(n, true); |
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| 92 | // } |
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| 93 | // operator Node() const { return n; } |
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| 94 | // }; |
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[368] | 95 | class OutEdgeIt { |
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[393] | 96 | friend class BipartiteGraphWrapper<Graph>; |
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| 97 | protected: |
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[368] | 98 | typename Graph::OutEdgeIt e; |
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| 99 | public: |
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| 100 | OutEdgeIt() { } |
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| 101 | OutEdgeIt(const Invalid& i) : e(i) { } |
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| 102 | OutEdgeIt(const BipartiteGraphWrapper<Graph>& _G, const Node& _n) { |
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| 103 | if (!(*(_G.s_false_t_true_map))[_n]) |
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[379] | 104 | e=typename Graph::OutEdgeIt(*(_G.graph), typename Graph::Node(_n)); |
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[368] | 105 | else |
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| 106 | e=INVALID; |
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| 107 | } |
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| 108 | operator Edge() const { return Edge(typename Graph::Edge(e)); } |
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| 109 | }; |
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| 110 | class InEdgeIt { |
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[393] | 111 | friend class BipartiteGraphWrapper<Graph>; |
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| 112 | protected: |
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[368] | 113 | typename Graph::InEdgeIt e; |
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| 114 | public: |
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| 115 | InEdgeIt() { } |
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| 116 | InEdgeIt(const Invalid& i) : e(i) { } |
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| 117 | InEdgeIt(const BipartiteGraphWrapper<Graph>& _G, const Node& _n) { |
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| 118 | if ((*(_G.s_false_t_true_map))[_n]) |
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[379] | 119 | e=typename Graph::InEdgeIt(*(_G.graph), typename Graph::Node(_n)); |
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[368] | 120 | else |
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| 121 | e=INVALID; |
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| 122 | } |
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| 123 | operator Edge() const { return Edge(typename Graph::Edge(e)); } |
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| 124 | }; |
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| 125 | |
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| 126 | using GraphWrapper<Graph>::first; |
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[379] | 127 | ClassNodeIt& first(ClassNodeIt& n, bool _class) const { |
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[393] | 128 | n=ClassNodeIt(*this, _class) ; return n; } |
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[379] | 129 | // SNodeIt& first(SNodeIt& n) const { n=SNodeIt(*this); return n; } |
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| 130 | // TNodeIt& first(TNodeIt& n) const { n=TNodeIt(*this); return n; } |
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| 131 | OutEdgeIt& first(OutEdgeIt& i, const Node& p) const { |
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| 132 | i=OutEdgeIt(*this, p); return i; |
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| 133 | } |
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| 134 | InEdgeIt& first(InEdgeIt& i, const Node& p) const { |
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| 135 | i=InEdgeIt(*this, p); return i; |
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| 136 | } |
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[368] | 137 | |
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| 138 | using GraphWrapper<Graph>::next; |
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[379] | 139 | ClassNodeIt& next(ClassNodeIt& n) const { |
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[393] | 140 | this->s_false_t_true_map->next(n.n); return n; |
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[368] | 141 | } |
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[379] | 142 | // SNodeIt& next(SNodeIt& n) const { |
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| 143 | // this->s_false_t_true_map->next(n); return n; |
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| 144 | // } |
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| 145 | // TNodeIt& next(TNodeIt& n) const { |
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| 146 | // this->s_false_t_true_map->next(n); return n; |
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| 147 | // } |
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[389] | 148 | OutEdgeIt& next(OutEdgeIt& i) const { this->graph->next(i.e); return i; } |
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| 149 | InEdgeIt& next(InEdgeIt& i) const { this->graph->next(i.e); return i; } |
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[368] | 150 | |
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| 151 | Node tail(const Edge& e) { |
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| 152 | if (!(*(this->s_false_t_true_map))[this->graph->tail(e)]) |
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| 153 | return Node(this->graph->tail(e)); |
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| 154 | else |
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| 155 | return Node(this->graph->head(e)); |
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| 156 | } |
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| 157 | Node head(const Edge& e) { |
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| 158 | if (!(*(this->s_false_t_true_map))[this->graph->tail(e)]) |
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| 159 | return Node(this->graph->head(e)); |
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| 160 | else |
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| 161 | return Node(this->graph->tail(e)); |
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| 162 | } |
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| 163 | |
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| 164 | Node aNode(const OutEdgeIt& e) const { |
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| 165 | return Node(this->graph->aNode(e.e)); |
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| 166 | } |
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| 167 | Node aNode(const InEdgeIt& e) const { |
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| 168 | return Node(this->graph->aNode(e.e)); |
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| 169 | } |
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| 170 | Node bNode(const OutEdgeIt& e) const { |
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| 171 | return Node(this->graph->bNode(e.e)); |
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| 172 | } |
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| 173 | Node bNode(const InEdgeIt& e) const { |
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| 174 | return Node(this->graph->bNode(e.e)); |
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| 175 | } |
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[379] | 176 | |
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| 177 | bool inSClass(const Node& n) const { |
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[381] | 178 | return !(*(this->s_false_t_true_map))[n]; |
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[379] | 179 | } |
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| 180 | bool inTClass(const Node& n) const { |
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[381] | 181 | return (*(this->s_false_t_true_map))[n]; |
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[379] | 182 | } |
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[368] | 183 | }; |
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| 184 | |
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[497] | 185 | ///\bug Do not use this while the bipartitemap augmentation |
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| 186 | /// does not work well. |
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| 187 | template<typename Graph> |
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| 188 | class BipartiteGraph : public BipartiteGraphWrapper<Graph> { |
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| 189 | typedef IterableBoolMap< typename Graph::template NodeMap<int> > |
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| 190 | SFalseTTrueMap; |
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| 191 | typedef BipartiteGraphWrapper<Graph> Parent; |
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| 192 | protected: |
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| 193 | Graph gr; |
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| 194 | typename Graph::template NodeMap<int> bipartite_map; |
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| 195 | SFalseTTrueMap s_false_t_true_map; |
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| 196 | public: |
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| 197 | typedef typename Parent::Node Node; |
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| 198 | typedef typename Parent::Edge Edge; |
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| 199 | BipartiteGraph() : BipartiteGraphWrapper<Graph>(0), |
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| 200 | gr(), bipartite_map(gr), |
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| 201 | s_false_t_true_map(bipartite_map) { |
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| 202 | Parent::setGraph(gr); |
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| 203 | Parent::setSFalseTTrueMap(bipartite_map); |
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| 204 | } |
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| 205 | |
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| 206 | /// the \c bool parameter which can be \c S_Class or \c T_Class shows |
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| 207 | /// the color class where the new node is to be inserted. |
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| 208 | void addNode(bool); |
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| 209 | |
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| 210 | /// A new edge is inserted. |
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| 211 | ///\pre \c tail have to be in \c S_Class and \c head in \c T_Class. |
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| 212 | void addEdge(const Node& tail, const Node& head); |
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| 213 | |
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| 214 | void erase(const Node&); |
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| 215 | void erase(const Edge&); |
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| 216 | |
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| 217 | void clear() { |
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| 218 | FOR_EACH_LOC(typename Parent::EdgeIt, e, G) erase(e); |
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| 219 | FOR_EACH_LOC(typename Parent::NodeIt, n, G) erase(n); |
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| 220 | } |
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| 221 | }; |
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| 222 | |
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| 223 | |
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[435] | 224 | template<typename Graph> |
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| 225 | class stGraphWrapper; |
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| 226 | |
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| 227 | // template<typename Graph> |
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| 228 | // std::ostream& |
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| 229 | // operator<<(std::ostream& os, const typename stGraphWrapper<Graph>::Node& i) { |
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| 230 | // os << "(node: " << typename Graph::Node(i) << " spec: " << i.spec <<")"; |
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| 231 | // return os; |
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| 232 | // } |
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| 233 | // template<typename Graph> |
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| 234 | // std::ostream& |
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| 235 | // operator<<(std::ostream& os, const typename stGraphWrapper<Graph>::Edge& i) { |
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| 236 | // os << "(edge: " << typename Graph::Edge(i) << " spec: " << i.spec << |
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| 237 | // " node: " << i.n << ")"; |
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| 238 | // return os; |
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| 239 | // } |
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[341] | 240 | |
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[379] | 241 | /// experimentral, do not try it. |
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| 242 | /// It eats a bipartite graph, oriented from S to T. |
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| 243 | /// Such one can be made e.g. by the above wrapper. |
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[457] | 244 | /// |
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| 245 | ///\author Marton Makai |
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[379] | 246 | template<typename Graph> |
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| 247 | class stGraphWrapper : public GraphWrapper<Graph> { |
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| 248 | public: |
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| 249 | class Node; |
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[381] | 250 | friend class Node; |
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[379] | 251 | //GN, int |
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| 252 | //0 normalis, 1 s, 2, true, ez az iteralasi sorrend, |
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| 253 | //es a vege a false azaz (invalid, 3) |
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| 254 | class NodeIt; |
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[381] | 255 | friend class NodeIt; |
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[379] | 256 | //GNI, int |
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| 257 | class Edge; |
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[381] | 258 | friend class Edge; |
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[379] | 259 | //GE, int, GN |
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| 260 | //0 normalis, 1 s->vmi, 2 vmi->t, ez a sorrend, |
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| 261 | //invalid: (invalid, 3, invalid) |
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| 262 | class OutEdgeIt; |
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[381] | 263 | friend class OutEdgeIt; |
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[379] | 264 | //GO, int, GNI |
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| 265 | //normalis pontbol (first, 0, invalid), ..., (invalid, 2, vmi), ... (invalid, 3, invalid) |
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| 266 | //s-bol (invalid, 1, first), ... (invalid, 3, invalid) |
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| 267 | //t-bol (invalid, 3, invalid) |
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| 268 | class InEdgeIt; |
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[381] | 269 | friend class InEdgeIt; |
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[379] | 270 | //GI, int, GNI |
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| 271 | //normalis pontbol (first, 0, invalid), ..., (invalid, 1, vmi), ... (invalid, 3, invalid) |
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| 272 | //s-be (invalid, 3, invalid) |
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| 273 | //t-be (invalid, 2, first), ... (invalid, 3, invalid) |
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| 274 | class EdgeIt; |
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[381] | 275 | friend class EdgeIt; |
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[379] | 276 | //(first, 0, invalid) ... |
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| 277 | //(invalid, 1, vmi) |
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| 278 | //(invalid, 2, vmi) |
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| 279 | //invalid, 3, invalid) |
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| 280 | template <typename T> class NodeMap; |
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[409] | 281 | template <typename T, typename Parent> class EdgeMap; |
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[341] | 282 | |
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[379] | 283 | // template <typename T> friend class NodeMap; |
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| 284 | // template <typename T> friend class EdgeMap; |
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[341] | 285 | |
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[379] | 286 | const Node S_NODE; |
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| 287 | const Node T_NODE; |
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[341] | 288 | |
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[379] | 289 | static const bool S_CLASS=false; |
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| 290 | static const bool T_CLASS=true; |
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[341] | 291 | |
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[379] | 292 | stGraphWrapper(Graph& _graph) : GraphWrapper<Graph>(_graph) , |
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| 293 | S_NODE(INVALID, 1), |
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| 294 | T_NODE(INVALID, 2) { } |
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[341] | 295 | |
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[435] | 296 | |
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| 297 | // std::ostream& |
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| 298 | // operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Node& i); |
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| 299 | // friend std::ostream& |
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| 300 | // operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Node& i); |
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| 301 | // friend std::ostream& |
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| 302 | // operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Edge& i); |
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| 303 | |
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[379] | 304 | class Node : public Graph::Node { |
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| 305 | protected: |
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| 306 | friend class GraphWrapper<Graph>; |
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| 307 | friend class stGraphWrapper<Graph>; |
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[389] | 308 | template <typename T> friend class NodeMap; |
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[380] | 309 | friend class Edge; |
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| 310 | friend class OutEdgeIt; |
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| 311 | friend class InEdgeIt; |
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| 312 | friend class EdgeIt; |
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[379] | 313 | int spec; |
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| 314 | public: |
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| 315 | Node() { } |
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| 316 | Node(const typename Graph::Node& _n, int _spec=0) : |
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| 317 | Graph::Node(_n), spec(_spec) { } |
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| 318 | Node(const Invalid& i) : Graph::Node(i), spec(3) { } |
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| 319 | friend bool operator==(const Node& u, const Node& v) { |
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| 320 | return (u.spec==v.spec && |
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| 321 | static_cast<typename Graph::Node>(u)== |
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| 322 | static_cast<typename Graph::Node>(v)); |
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| 323 | } |
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| 324 | friend bool operator!=(const Node& u, const Node& v) { |
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| 325 | return (v.spec!=u.spec || |
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| 326 | static_cast<typename Graph::Node>(u)!= |
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| 327 | static_cast<typename Graph::Node>(v)); |
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[409] | 328 | } |
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[435] | 329 | // template<typename G> |
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| 330 | // friend std::ostream& |
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| 331 | // operator<<(std::ostream& os, const typename stGraphWrapper<G>::Node& i); |
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| 332 | friend std::ostream& operator<< (std::ostream& os, const Node& i); |
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[379] | 333 | int getSpec() const { return spec; } |
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| 334 | }; |
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[409] | 335 | |
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[379] | 336 | class NodeIt { |
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| 337 | friend class GraphWrapper<Graph>; |
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| 338 | friend class stGraphWrapper<Graph>; |
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| 339 | typename Graph::NodeIt n; |
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| 340 | int spec; |
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| 341 | public: |
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| 342 | NodeIt() { } |
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| 343 | NodeIt(const typename Graph::NodeIt& _n, int _spec) : |
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| 344 | n(_n), spec(_spec) { } |
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| 345 | NodeIt(const Invalid& i) : n(i), spec(3) { } |
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[381] | 346 | NodeIt(const stGraphWrapper<Graph>& _G) : n(*(_G.graph)), spec(0) { |
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[409] | 347 | if (!_G.graph->valid(n)) spec=1; |
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[379] | 348 | } |
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| 349 | operator Node() const { return Node(n, spec); } |
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| 350 | }; |
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[409] | 351 | |
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[379] | 352 | class Edge : public Graph::Edge { |
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| 353 | friend class GraphWrapper<Graph>; |
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| 354 | friend class stGraphWrapper<Graph>; |
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[409] | 355 | template <typename T, typename Parent> friend class EdgeMap; |
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[379] | 356 | int spec; |
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| 357 | typename Graph::Node n; |
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| 358 | public: |
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| 359 | Edge() { } |
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| 360 | Edge(const typename Graph::Edge& _e, int _spec, |
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| 361 | const typename Graph::Node& _n) : |
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| 362 | Graph::Edge(_e), spec(_spec), n(_n) { |
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| 363 | } |
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| 364 | Edge(const Invalid& i) : Graph::Edge(i), spec(3), n(i) { } |
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| 365 | friend bool operator==(const Edge& u, const Edge& v) { |
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| 366 | return (u.spec==v.spec && |
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| 367 | static_cast<typename Graph::Edge>(u)== |
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| 368 | static_cast<typename Graph::Edge>(v) && |
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| 369 | u.n==v.n); |
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| 370 | } |
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| 371 | friend bool operator!=(const Edge& u, const Edge& v) { |
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| 372 | return (v.spec!=u.spec || |
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| 373 | static_cast<typename Graph::Edge>(u)!= |
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| 374 | static_cast<typename Graph::Edge>(v) || |
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| 375 | u.n!=v.n); |
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| 376 | } |
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[435] | 377 | // template<typename G> |
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| 378 | // friend std::ostream& |
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| 379 | // operator<<(std::ostream& os, const typename stGraphWrapper<G>::Edge& i); |
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| 380 | friend std::ostream& operator<< (std::ostream& os, const Edge& i); |
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[379] | 381 | int getSpec() const { return spec; } |
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| 382 | }; |
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[409] | 383 | |
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[379] | 384 | class OutEdgeIt { |
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| 385 | friend class GraphWrapper<Graph>; |
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| 386 | friend class stGraphWrapper<Graph>; |
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| 387 | typename Graph::OutEdgeIt e; |
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| 388 | int spec; |
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| 389 | typename Graph::ClassNodeIt n; |
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| 390 | public: |
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| 391 | OutEdgeIt() { } |
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| 392 | OutEdgeIt(const typename Graph::OutEdgeIt& _e, int _spec, |
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| 393 | const typename Graph::ClassNodeIt& _n) : |
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| 394 | e(_e), spec(_spec), n(_n) { |
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| 395 | } |
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| 396 | OutEdgeIt(const Invalid& i) : e(i), spec(3), n(i) { } |
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[381] | 397 | OutEdgeIt(const stGraphWrapper<Graph>& _G, const Node& _n) { |
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[379] | 398 | switch (_n.spec) { |
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| 399 | case 0 : |
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[381] | 400 | if (_G.graph->inSClass(_n)) { //S, van normalis kiel |
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[379] | 401 | e=typename Graph::OutEdgeIt(*(_G.graph), |
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| 402 | typename Graph::Node(_n)); |
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| 403 | spec=0; |
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| 404 | n=INVALID; |
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| 405 | if (!_G.graph->valid(e)) spec=3; |
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| 406 | } else { //T, specko kiel van |
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| 407 | e=INVALID; |
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| 408 | spec=2; |
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| 409 | n=_n; |
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| 410 | } |
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| 411 | break; |
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| 412 | case 1: |
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| 413 | e=INVALID; |
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| 414 | spec=1; |
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| 415 | _G.graph->first(n, S_CLASS); //s->vmi; |
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| 416 | if (!_G.graph->valid(n)) spec=3; //Ha S ures |
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| 417 | break; |
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| 418 | case 2: |
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| 419 | e=INVALID; |
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| 420 | spec=3; |
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| 421 | n=INVALID; |
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| 422 | break; |
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| 423 | } |
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| 424 | } |
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| 425 | operator Edge() const { return Edge(e, spec, n); } |
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| 426 | }; |
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[409] | 427 | |
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[379] | 428 | class InEdgeIt { |
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| 429 | friend class GraphWrapper<Graph>; |
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| 430 | friend class stGraphWrapper<Graph>; |
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| 431 | typename Graph::InEdgeIt e; |
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| 432 | int spec; |
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| 433 | typename Graph::ClassNodeIt n; |
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| 434 | public: |
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| 435 | InEdgeIt() { } |
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| 436 | InEdgeIt(const typename Graph::InEdgeIt& _e, int _spec, |
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| 437 | const typename Graph::ClassNodeIt& _n) : |
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| 438 | e(_e), spec(_spec), n(_n) { |
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| 439 | } |
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| 440 | InEdgeIt(const Invalid& i) : e(i), spec(3), n(i) { } |
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[381] | 441 | InEdgeIt(const stGraphWrapper<Graph>& _G, const Node& _n) { |
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[379] | 442 | switch (_n.spec) { |
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| 443 | case 0 : |
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[381] | 444 | if (_G.graph->inTClass(_n)) { //T, van normalis beel |
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[379] | 445 | e=typename Graph::InEdgeIt(*(_G.graph), |
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| 446 | typename Graph::Node(_n)); |
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| 447 | spec=0; |
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| 448 | n=INVALID; |
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| 449 | if (!_G.graph->valid(e)) spec=3; |
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| 450 | } else { //S, specko beel van |
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| 451 | e=INVALID; |
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| 452 | spec=1; |
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| 453 | n=_n; |
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| 454 | } |
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| 455 | break; |
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| 456 | case 1: |
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| 457 | e=INVALID; |
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| 458 | spec=3; |
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| 459 | n=INVALID; |
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[409] | 460 | break; |
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[379] | 461 | case 2: |
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| 462 | e=INVALID; |
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[409] | 463 | spec=2; |
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[379] | 464 | _G.graph->first(n, T_CLASS); //vmi->t; |
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| 465 | if (!_G.graph->valid(n)) spec=3; //Ha T ures |
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| 466 | break; |
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| 467 | } |
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| 468 | } |
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| 469 | operator Edge() const { return Edge(e, spec, n); } |
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| 470 | }; |
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[409] | 471 | |
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[379] | 472 | class EdgeIt { |
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| 473 | friend class GraphWrapper<Graph>; |
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| 474 | friend class stGraphWrapper<Graph>; |
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| 475 | typename Graph::EdgeIt e; |
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| 476 | int spec; |
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| 477 | typename Graph::ClassNodeIt n; |
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| 478 | public: |
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| 479 | EdgeIt() { } |
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| 480 | EdgeIt(const typename Graph::EdgeIt& _e, int _spec, |
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| 481 | const typename Graph::ClassNodeIt& _n) : |
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| 482 | e(_e), spec(_spec), n(_n) { } |
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| 483 | EdgeIt(const Invalid& i) : e(i), spec(3), n(i) { } |
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[381] | 484 | EdgeIt(const stGraphWrapper<Graph>& _G) : |
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[379] | 485 | e(*(_G.graph)), spec(0), n(INVALID) { |
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| 486 | if (!_G.graph->valid(e)) { |
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| 487 | spec=1; |
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| 488 | _G.graph->first(n, S_CLASS); |
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| 489 | if (!_G.graph->valid(n)) { //Ha S ures |
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| 490 | spec=2; |
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| 491 | _G.graph->first(n, T_CLASS); |
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| 492 | if (!_G.graph->valid(n)) { //Ha T ures |
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| 493 | spec=3; |
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| 494 | } |
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| 495 | } |
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| 496 | } |
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| 497 | } |
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| 498 | operator Edge() const { return Edge(e, spec, n); } |
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| 499 | }; |
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[341] | 500 | |
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[379] | 501 | NodeIt& first(NodeIt& i) const { |
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| 502 | i=NodeIt(*this); return i; |
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| 503 | } |
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| 504 | OutEdgeIt& first(OutEdgeIt& i, const Node& p) const { |
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| 505 | i=OutEdgeIt(*this, p); return i; |
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| 506 | } |
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| 507 | InEdgeIt& first(InEdgeIt& i, const Node& p) const { |
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| 508 | i=InEdgeIt(*this, p); return i; |
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| 509 | } |
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| 510 | EdgeIt& first(EdgeIt& i) const { |
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| 511 | i=EdgeIt(*this); return i; |
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| 512 | } |
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[341] | 513 | |
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[379] | 514 | NodeIt& next(NodeIt& i) const { |
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| 515 | switch (i.spec) { |
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| 516 | case 0: |
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[389] | 517 | this->graph->next(i.n); |
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| 518 | if (!this->graph->valid(i.n)) { |
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[379] | 519 | i.spec=1; |
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| 520 | } |
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| 521 | break; |
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| 522 | case 1: |
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| 523 | i.spec=2; |
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| 524 | break; |
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| 525 | case 2: |
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| 526 | i.spec=3; |
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| 527 | break; |
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| 528 | } |
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| 529 | return i; |
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| 530 | } |
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| 531 | OutEdgeIt& next(OutEdgeIt& i) const { |
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[393] | 532 | typename Graph::Node v; |
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[379] | 533 | switch (i.spec) { |
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| 534 | case 0: //normal edge |
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[409] | 535 | v=this->graph->aNode(i.e); |
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[389] | 536 | this->graph->next(i.e); |
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| 537 | if (!this->graph->valid(i.e)) { //Az igazi elek vegere ertunk |
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| 538 | if (this->graph->inSClass(v)) { //S, nincs kiel |
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[379] | 539 | i.spec=3; |
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| 540 | i.n=INVALID; |
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| 541 | } else { //T, van kiel |
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| 542 | i.spec=2; |
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| 543 | i.n=v; |
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| 544 | } |
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| 545 | } |
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| 546 | break; |
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| 547 | case 1: //s->vmi |
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[389] | 548 | this->graph->next(i.n); |
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| 549 | if (!this->graph->valid(i.n)) i.spec=3; |
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[379] | 550 | break; |
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| 551 | case 2: //vmi->t |
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| 552 | i.spec=3; |
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| 553 | i.n=INVALID; |
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| 554 | break; |
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| 555 | } |
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| 556 | return i; |
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| 557 | } |
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| 558 | InEdgeIt& next(InEdgeIt& i) const { |
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[393] | 559 | typename Graph::Node v; |
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[379] | 560 | switch (i.spec) { |
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| 561 | case 0: //normal edge |
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[393] | 562 | v=this->graph->aNode(i.e); |
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[389] | 563 | this->graph->next(i.e); |
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| 564 | if (!this->graph->valid(i.e)) { //Az igazi elek vegere ertunk |
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| 565 | if (this->graph->inTClass(v)) { //S, nincs beel |
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[379] | 566 | i.spec=3; |
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| 567 | i.n=INVALID; |
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| 568 | } else { //S, van beel |
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| 569 | i.spec=1; |
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| 570 | i.n=v; |
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| 571 | } |
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| 572 | } |
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| 573 | break; |
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| 574 | case 1: //s->vmi |
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| 575 | i.spec=3; |
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| 576 | i.n=INVALID; |
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| 577 | break; |
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| 578 | case 2: //vmi->t |
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[389] | 579 | this->graph->next(i.n); |
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| 580 | if (!this->graph->valid(i.n)) i.spec=3; |
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[379] | 581 | break; |
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| 582 | } |
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| 583 | return i; |
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| 584 | } |
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[341] | 585 | |
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[379] | 586 | EdgeIt& next(EdgeIt& i) const { |
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| 587 | switch (i.spec) { |
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| 588 | case 0: |
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[389] | 589 | this->graph->next(i.e); |
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| 590 | if (!this->graph->valid(i.e)) { |
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[379] | 591 | i.spec=1; |
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[389] | 592 | this->graph->first(i.n, S_CLASS); |
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| 593 | if (!this->graph->valid(i.n)) { |
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[379] | 594 | i.spec=2; |
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[389] | 595 | this->graph->first(i.n, T_CLASS); |
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| 596 | if (!this->graph->valid(i.n)) i.spec=3; |
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[379] | 597 | } |
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| 598 | } |
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| 599 | break; |
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| 600 | case 1: |
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[389] | 601 | this->graph->next(i.n); |
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| 602 | if (!this->graph->valid(i.n)) { |
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[379] | 603 | i.spec=2; |
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[389] | 604 | this->graph->first(i.n, T_CLASS); |
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| 605 | if (!this->graph->valid(i.n)) i.spec=3; |
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[379] | 606 | } |
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| 607 | break; |
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| 608 | case 2: |
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[389] | 609 | this->graph->next(i.n); |
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| 610 | if (!this->graph->valid(i.n)) i.spec=3; |
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[379] | 611 | break; |
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| 612 | } |
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| 613 | return i; |
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| 614 | } |
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[341] | 615 | |
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[379] | 616 | Node tail(const Edge& e) const { |
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| 617 | switch (e.spec) { |
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[393] | 618 | case 0: |
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| 619 | return Node(this->graph->tail(e)); |
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| 620 | break; |
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| 621 | case 1: |
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| 622 | return S_NODE; |
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| 623 | break; |
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| 624 | case 2: |
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| 625 | default: |
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| 626 | return Node(e.n); |
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| 627 | break; |
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[379] | 628 | } |
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| 629 | } |
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| 630 | Node head(const Edge& e) const { |
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| 631 | switch (e.spec) { |
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[393] | 632 | case 0: |
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| 633 | return Node(this->graph->head(e)); |
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| 634 | break; |
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| 635 | case 1: |
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| 636 | return Node(e.n); |
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| 637 | break; |
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| 638 | case 2: |
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| 639 | default: |
---|
| 640 | return T_NODE; |
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| 641 | break; |
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[379] | 642 | } |
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| 643 | } |
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[341] | 644 | |
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[379] | 645 | bool valid(const Node& n) const { return (n.spec<3); } |
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| 646 | bool valid(const Edge& e) const { return (e.spec<3); } |
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| 647 | |
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[409] | 648 | int nodeNum() const { return this->graph->nodeNum()+2; } |
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| 649 | int edgeNum() const { |
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| 650 | return this->graph->edgeNum()+this->graph->nodeNum(); |
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| 651 | } |
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[341] | 652 | |
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[379] | 653 | Node aNode(const OutEdgeIt& e) const { return tail(e); } |
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| 654 | Node aNode(const InEdgeIt& e) const { return head(e); } |
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| 655 | Node bNode(const OutEdgeIt& e) const { return head(e); } |
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| 656 | Node bNode(const InEdgeIt& e) const { return tail(e); } |
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[409] | 657 | |
---|
| 658 | void addNode() const { } |
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| 659 | void addEdge() const { } |
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| 660 | |
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[389] | 661 | // Node addNode() const { return Node(this->graph->addNode()); } |
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[379] | 662 | // Edge addEdge(const Node& tail, const Node& head) const { |
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[389] | 663 | // return Edge(this->graph->addEdge(tail, head)); } |
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[341] | 664 | |
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[389] | 665 | // void erase(const Node& i) const { this->graph->erase(i); } |
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| 666 | // void erase(const Edge& i) const { this->graph->erase(i); } |
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[341] | 667 | |
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[389] | 668 | // void clear() const { this->graph->clear(); } |
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[341] | 669 | |
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[389] | 670 | template<typename T> class NodeMap : public GraphWrapper<Graph>::template NodeMap<T> { |
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| 671 | typedef typename GraphWrapper<Graph>::template NodeMap<T> Parent; |
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[379] | 672 | T s_value, t_value; |
---|
| 673 | public: |
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[409] | 674 | NodeMap(const stGraphWrapper<Graph>& _G) : Parent(_G), |
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| 675 | s_value(), |
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| 676 | t_value() { } |
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[389] | 677 | NodeMap(const stGraphWrapper<Graph>& _G, T a) : Parent(_G, a), |
---|
| 678 | s_value(a), |
---|
| 679 | t_value(a) { } |
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[379] | 680 | T operator[](const Node& n) const { |
---|
| 681 | switch (n.spec) { |
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[393] | 682 | case 0: |
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| 683 | return Parent::operator[](n); |
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| 684 | break; |
---|
| 685 | case 1: |
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| 686 | return s_value; |
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| 687 | break; |
---|
| 688 | case 2: |
---|
| 689 | default: |
---|
| 690 | return t_value; |
---|
| 691 | break; |
---|
[379] | 692 | } |
---|
| 693 | } |
---|
| 694 | void set(const Node& n, T t) { |
---|
| 695 | switch (n.spec) { |
---|
[393] | 696 | case 0: |
---|
| 697 | GraphWrapper<Graph>::template NodeMap<T>::set(n, t); |
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| 698 | break; |
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| 699 | case 1: |
---|
| 700 | s_value=t; |
---|
| 701 | break; |
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| 702 | case 2: |
---|
| 703 | default: |
---|
| 704 | t_value=t; |
---|
| 705 | break; |
---|
[379] | 706 | } |
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| 707 | } |
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| 708 | }; |
---|
[341] | 709 | |
---|
[409] | 710 | template<typename T, |
---|
| 711 | typename Parent= |
---|
| 712 | typename GraphWrapper<Graph>::template EdgeMap<T> > |
---|
| 713 | class EdgeMap : public Parent { |
---|
| 714 | //typedef typename GraphWrapper<Graph>::template EdgeMap<T> Parent; |
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[389] | 715 | typename GraphWrapper<Graph>::template NodeMap<T> node_value; |
---|
[379] | 716 | public: |
---|
[393] | 717 | EdgeMap(const stGraphWrapper<Graph>& _G) : Parent(_G), |
---|
| 718 | node_value(_G) { } |
---|
[389] | 719 | EdgeMap(const stGraphWrapper<Graph>& _G, T a) : Parent(_G, a), |
---|
| 720 | node_value(_G, a) { } |
---|
[379] | 721 | T operator[](const Edge& e) const { |
---|
| 722 | switch (e.spec) { |
---|
[393] | 723 | case 0: |
---|
| 724 | return Parent::operator[](e); |
---|
| 725 | break; |
---|
| 726 | case 1: |
---|
| 727 | return node_value[e.n]; |
---|
| 728 | break; |
---|
| 729 | case 2: |
---|
| 730 | default: |
---|
| 731 | return node_value[e.n]; |
---|
| 732 | break; |
---|
[379] | 733 | } |
---|
| 734 | } |
---|
| 735 | void set(const Edge& e, T t) { |
---|
| 736 | switch (e.spec) { |
---|
[393] | 737 | case 0: |
---|
[409] | 738 | Parent::set(e, t); |
---|
[393] | 739 | break; |
---|
| 740 | case 1: |
---|
| 741 | node_value.set(e.n, t); |
---|
| 742 | break; |
---|
| 743 | case 2: |
---|
| 744 | default: |
---|
| 745 | node_value.set(e.n, t); |
---|
| 746 | break; |
---|
[379] | 747 | } |
---|
| 748 | } |
---|
| 749 | }; |
---|
[409] | 750 | |
---|
| 751 | // template<typename T> class EdgeMap : public GraphWrapper<Graph>::template EdgeMap<T> { |
---|
| 752 | // typedef typename GraphWrapper<Graph>::template EdgeMap<T> Parent; |
---|
| 753 | // typename GraphWrapper<Graph>::template NodeMap<T> node_value; |
---|
| 754 | // public: |
---|
| 755 | // EdgeMap(const stGraphWrapper<Graph>& _G) : Parent(_G), |
---|
| 756 | // node_value(_G) { } |
---|
| 757 | // EdgeMap(const stGraphWrapper<Graph>& _G, T a) : Parent(_G, a), |
---|
| 758 | // node_value(_G, a) { } |
---|
| 759 | // T operator[](const Edge& e) const { |
---|
| 760 | // switch (e.spec) { |
---|
| 761 | // case 0: |
---|
| 762 | // return Parent::operator[](e); |
---|
| 763 | // break; |
---|
| 764 | // case 1: |
---|
| 765 | // return node_value[e.n]; |
---|
| 766 | // break; |
---|
| 767 | // case 2: |
---|
| 768 | // default: |
---|
| 769 | // return node_value[e.n]; |
---|
| 770 | // break; |
---|
| 771 | // } |
---|
| 772 | // } |
---|
| 773 | // void set(const Edge& e, T t) { |
---|
| 774 | // switch (e.spec) { |
---|
| 775 | // case 0: |
---|
| 776 | // GraphWrapper<Graph>::template EdgeMap<T>::set(e, t); |
---|
| 777 | // break; |
---|
| 778 | // case 1: |
---|
| 779 | // node_value.set(e.n, t); |
---|
| 780 | // break; |
---|
| 781 | // case 2: |
---|
| 782 | // default: |
---|
| 783 | // node_value.set(e.n, t); |
---|
| 784 | // break; |
---|
| 785 | // } |
---|
| 786 | // } |
---|
| 787 | // }; |
---|
| 788 | |
---|
[435] | 789 | // template<typename G> |
---|
| 790 | friend std::ostream& |
---|
| 791 | operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Node& i) { |
---|
[409] | 792 | os << "(node: " << typename Graph::Node(i) << " spec: " << i.spec <<")"; |
---|
| 793 | return os; |
---|
| 794 | } |
---|
[435] | 795 | // template<typename G> |
---|
| 796 | friend std::ostream& |
---|
| 797 | operator<<(std::ostream& os, const /*typename stGraphWrapper<Graph>::*/Edge& i) { |
---|
[409] | 798 | os << "(edge: " << typename Graph::Edge(i) << " spec: " << i.spec << |
---|
| 799 | " node: " << i.n << ")"; |
---|
| 800 | return os; |
---|
| 801 | } |
---|
| 802 | |
---|
[379] | 803 | }; |
---|
| 804 | |
---|
[406] | 805 | ///@} |
---|
[341] | 806 | |
---|
[105] | 807 | } //namespace hugo |
---|
[76] | 808 | |
---|
[406] | 809 | |
---|
[259] | 810 | #endif //HUGO_GRAPH_WRAPPER_H |
---|
[76] | 811 | |
---|