Changeset 163:c5fbd2c1d75f in lemon0.x for src/work/alpar/emptygraph.h
 Timestamp:
 03/10/04 17:46:17 (17 years ago)
 Branch:
 default
 Phase:
 public
 Convert:
 svn:c9d7d8f590d60310b91f818b3a526b0e/lemon/trunk@230
 File:

 1 edited
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src/work/alpar/emptygraph.h
r157 r163 1 1 // *mode: c++; * 2 2 3 class EmptyGraph 4 { 5 public: 6 7 class NodeIt { 8 public: 9 NodeIt() {} //FIXME 10 //NodeIt(const NodeIt &) {} 11 bool operator==(NodeIt n) const {} //FIXME 12 bool operator!=(NodeIt n) const {} //FIXME 13 }; 14 15 class EachNodeIt : public NodeIt { 16 public: 17 EachNodeIt() {} //FIXME 18 EachNodeIt(const EmptyGraph &) const {} 19 EachNodeIt(const EachNodeIt &) const {} //FIXME 20 }; 21 22 class EdgeIt { 23 EdgeIt() {} //FIXME 24 //EdgeIt(const EdgeIt &) {} 25 bool operator==(EdgeIt n) const {} //FIXME 26 bool operator!=(EdgeIt n) const {} //FIXME 27 }; 28 29 class OutEdgeIt : public EdgeIt { 30 OutEdgeIt() {} 31 OutEdgeIt(const EmptyGraph &, NodeIt) {} 32 }; 33 34 class InEdgeIt : public EdgeIt { 35 InEdgeIt() {} 36 InEdgeIt(const EmptyGraph &, NodeIt) {} 37 }; 38 // class SymEdgeIt : public EdgeIt {}; 39 class EachEdgeIt : public EdgeIt { 40 EachEdgeIt() {} 41 EachEdgeIt(const EmptyGraph &) {} 42 }; 43 44 EachNodeIt &getFirst(EachNodeIt &) const {} 45 InEdgeIt &getFirst(InEdgeIt &, NodeIt) const {} 46 OutEdgeIt &getFirst(OutEdgeIt &, NodeIt) const {} 47 // SymEdgeIt &getFirst(SymEdgeIt &, NodeIt) const {} 48 EachEdgeIt &getFirst(EachEdgeIt &) const {} 49 50 NodeIt getNext(NodeIt) const {} 51 InEdgeIt getNext(InEdgeIt) const {} 52 OutEdgeIt getNext(OutEdgeIt) const {} 53 //SymEdgeIt getNext(SymEdgeIt) const {} 54 EachEdgeIt getNext(EachEdgeIt) const {} 55 56 NodeIt &next(NodeIt &) const {} 57 InEdgeIt &next(InEdgeIt &) const {} 58 OutEdgeIt &next(OutEdgeIt &) const {} 59 //SymEdgeIt &next(SymEdgeIt &) const {} 60 EachEdgeIt &next(EachEdgeIt &) const {} 61 62 NodeIt head(EdgeIt) const {} 63 NodeIt tail(EdgeIt) const {} 64 65 // NodeIt aNode(InEdgeIt) const {} 66 // NodeIt aNode(OutEdgeIt) const {} 67 // NodeIt aNode(SymEdgeIt) const {} 68 69 // NodeIt bNode(InEdgeIt) const {} 70 // NodeIt bNode(OutEdgeIt) const {} 71 // NodeIt bNode(SymEdgeIt) const {} 72 73 bool valid(const NodeIt) const {}; 74 bool valid(const EdgeIt) const {}; 75 76 int id(const NodeIt) const {}; 77 int id(const EdgeIt) const {}; 78 79 //void setInvalid(NodeIt &) const {}; 80 //void setInvalid(EdgeIt &) const {}; 81 82 NodeIt addNode() {} 83 EdgeIt addEdge(NodeIt tail, NodeIt head) {} 84 85 void erase(NodeIt n) {} 86 void erase(EdgeIt e) {} 87 88 void clear() {} 89 90 int nodeNum() {} 91 int edgeNum() {} 92 93 template<class T> class NodeMap 3 #include <invalid.h> 4 5 /// The namespace of HugoLib 6 namespace hugo { 7 8 // @defgroup empty_graph The EmptyGraph class 9 // @{ 10 11 /// An empty graph class. 12 13 /// This class provides all the common features of a grapf structure, 14 /// however completely without implementations or real data structures 15 /// behind the interface. 16 /// All graph algorithms should compile with this class, but it will not 17 /// run properly, of course. 18 /// 19 /// It can be used for checking the interface compatibility, 20 /// or it can serve as a skeleton of a new graph structure. 21 22 class EmptyGraph 94 23 { 95 24 public: 96 typedef T ValueType; 97 typedef NodeIt KeyType; 98 99 NodeMap(const Graph &G) {} 100 NodeMap(const Graph &G, T t) {} 101 102 void set(NodeIt i, T t) {} 103 T get(NodeIt i) const {} //FIXME: Is it necessary 104 T &operator[](NodeIt i) {} 105 const T &operator[](NodeIt i) const {} 106 107 update() {} 108 update(T a) {} //FIXME: Is it necessary 25 26 /// The base type of the node iterators. 27 class Node { 28 public: 29 /// @warning The default constructor sets the iterator 30 /// to an undefined value. 31 Node() {} //FIXME 32 /// Initialize the iterator to be invalid 33 Node(Invalid) {}; 34 //Node(const Node &) {} 35 bool operator==(Node n) const { return true; } //FIXME 36 bool operator!=(Node n) const { return true; } //FIXME 37 }; 38 39 /// This iterator goes through each node. 40 class NodeIt : public Node { 41 public: 42 /// @warning The default constructor sets the iterator 43 /// to an undefined value. 44 NodeIt() {} //FIXME 45 /// Initialize the iterator to be invalid 46 NodeIt(Invalid) {}; 47 /// Sets the iterator to the first node of \c G. 48 NodeIt(const EmptyGraph &G) {} 49 NodeIt(const NodeIt &) {} //FIXME 50 }; 51 52 53 /// The base type of the edge iterators. 54 class Edge { 55 public: 56 /// @warning The default constructor sets the iterator 57 /// to an undefined value. 58 Edge() {} //FIXME 59 /// Initialize the iterator to be invalid 60 Edge(Invalid) {}; 61 //Edge(const Edge &) {} 62 bool operator==(Edge n) const { return true; } //FIXME 63 bool operator!=(Edge n) const { return true; } //FIXME 64 }; 65 66 /// This iterator goes trought the outgoing edges of a certain graph. 67 68 class OutEdgeIt : public Edge { 69 public: 70 /// @warning The default constructor sets the iterator 71 /// to an undefined value. 72 OutEdgeIt() {} 73 /// Initialize the iterator to be invalid 74 OutEdgeIt(Invalid) {}; 75 /// This constructor sets the iterator to first outgoing edge. 76 77 /// This constructor set the iterator to the first outgoing edge of 78 /// node 79 ///@param n the node 80 ///@param G the graph 81 OutEdgeIt(const EmptyGraph & G, Node n) {} 82 }; 83 84 class InEdgeIt : public Edge { 85 public: 86 /// @warning The default constructor sets the iterator 87 /// to an undefined value. 88 InEdgeIt() {} 89 /// Initialize the iterator to be invalid 90 InEdgeIt(Invalid) {}; 91 InEdgeIt(const EmptyGraph &, Node) {} 92 }; 93 // class SymEdgeIt : public Edge {}; 94 class EdgeIt : public Edge { 95 public: 96 /// @warning The default constructor sets the iterator 97 /// to an undefined value. 98 EdgeIt() {} 99 /// Initialize the iterator to be invalid 100 EdgeIt(Invalid) {}; 101 EdgeIt(const EmptyGraph &) {} 102 }; 103 104 /// First node of the graph. 105 106 /// \post \c i and the return value will be the first node. 107 /// 108 NodeIt &first(NodeIt &i) const { return i;} 109 110 /// The first outgoing edge. 111 InEdgeIt &first(InEdgeIt &i, Node n) const { return i;} 112 /// The first incoming edge. 113 OutEdgeIt &first(OutEdgeIt &i, Node n) const { return i;} 114 // SymEdgeIt &first(SymEdgeIt &, Node) const { return i;} 115 /// The first edge of the Graph. 116 EdgeIt &first(EdgeIt &i) const { return i;} 117 118 // Node getNext(Node) const {} 119 // InEdgeIt getNext(InEdgeIt) const {} 120 // OutEdgeIt getNext(OutEdgeIt) const {} 121 // //SymEdgeIt getNext(SymEdgeIt) const {} 122 // EdgeIt getNext(EdgeIt) const {} 123 124 /// Go to the next node. 125 Node &next(Node &i) const { return i;} 126 /// Go to the next incoming edge. 127 InEdgeIt &next(InEdgeIt &i) const { return i;} 128 /// Go to the next outgoing edge. 129 OutEdgeIt &next(OutEdgeIt &i) const { return i;} 130 //SymEdgeIt &next(SymEdgeIt &) const {} 131 /// Go to the next edge. 132 EdgeIt &next(EdgeIt &i) const { return i;} 133 134 ///Gives back the head node of an edge. 135 Node head(Edge) const { return INVALID; } 136 ///Gives back the tail node of an edge. 137 Node tail(Edge) const { return INVALID; } 138 139 // Node aNode(InEdgeIt) const {} 140 // Node aNode(OutEdgeIt) const {} 141 // Node aNode(SymEdgeIt) const {} 142 143 // Node bNode(InEdgeIt) const {} 144 // Node bNode(OutEdgeIt) const {} 145 // Node bNode(SymEdgeIt) const {} 146 147 /// Checks if a node iterator is valid 148 bool valid(const Node) const { return true;}; 149 /// Checks if an edge iterator is valid 150 bool valid(const Edge) const { return true;}; 151 152 ///Gives back the \e id of a node. 153 int id(const Node) const { return 0;}; 154 ///Gives back the \e id of an edge. 155 int id(const Edge) const { return 0;}; 156 157 //void setInvalid(Node &) const {}; 158 //void setInvalid(Edge &) const {}; 159 160 Node addNode() { return INVALID;} 161 Edge addEdge(Node tail, Node head) { return INVALID;} 162 163 void erase(Node n) {} 164 void erase(Edge e) {} 165 166 void clear() {} 167 168 int nodeNum() { return 0;} 169 int edgeNum() { return 0;} 170 171 EmptyGraph() {}; 172 EmptyGraph(const EmptyGraph &G) {}; 173 174 175 176 ///Read/write map from the nodes to type \c T. 177 template<class T> class NodeMap 178 { 179 public: 180 typedef T ValueType; 181 typedef Node KeyType; 182 183 NodeMap(const EmptyGraph &G) {} 184 NodeMap(const EmptyGraph &G, T t) {} 185 186 void set(Node i, T t) {} 187 T get(Node i) const {return *(T*)NULL;} //FIXME: Is it necessary 188 T &operator[](Node i) {return *(T*)NULL;} 189 const T &operator[](Node i) const {return *(T*)NULL;} 190 191 void update() {} 192 void update(T a) {} //FIXME: Is it necessary 193 }; 194 195 ///Read/write map from the edges to type \c T. 196 template<class T> class EdgeMap 197 { 198 public: 199 typedef T ValueType; 200 typedef Edge KeyType; 201 202 EdgeMap(const EmptyGraph &G) {} 203 EdgeMap(const EmptyGraph &G, T t) {} 204 205 void set(Edge i, T t) {} 206 T get(Edge i) const {return *(T*)NULL;} 207 T &operator[](Edge i) {return *(T*)NULL;} 208 209 void update() {} 210 void update(T a) {} //FIXME: Is it necessary 211 }; 109 212 }; 110 213 111 template<class T> class EdgeMap 112 { 113 public: 114 typedef T ValueType; 115 typedef EdgeIt KeyType; 116 117 EdgeMap(const Graph &G) {} 118 EdgeMap(const Graph &G, T t) {} 119 120 void set(EdgeIt i, T t) {} 121 T get(EdgeIt i) const {} 122 T &operator[](EdgeIt i) {} 123 124 update() {} 125 update(T a) {} //FIXME: Is it necessary 126 }; 214 // @} 215 127 216 }; 217 128 218 129 219 130 220 // class EmptyBipGraph : public EmptyGraph 131 221 // { 132 // class ANode It{};133 // class BNode It{};134 135 // ANode It &next(ANodeIt&) {}136 // BNode It &next(BNodeIt&) {}137 138 // ANode It &getFirst(ANodeIt&) const {}139 // BNode It &getFirst(BNodeIt&) const {}222 // class ANode {}; 223 // class BNode {}; 224 225 // ANode &next(ANode &) {} 226 // BNode &next(BNode &) {} 227 228 // ANode &getFirst(ANode &) const {} 229 // BNode &getFirst(BNode &) const {} 140 230 141 231 // enum NodeClass { A = 0, B = 1 }; 142 // NodeClass getClass(Node Itn) {}232 // NodeClass getClass(Node n) {} 143 233 144 234 // }
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