src/work/alpar/emptygraph.h
author alpar
Wed, 04 Feb 2004 12:34:15 +0000
changeset 57 b180c196b4b7
parent 56 6f1cdec3949d
child 61 30e734e6adff
permissions -rw-r--r--
To make clear, clean() became clear().
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// -*-mode: c++; -*-
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class Graph
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{
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public:
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  class EdgeIt {};
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  class InEdgeIt : public EdgeIt
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  class OutEdgeIt : public EdgeIt {};
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  class SymEdgeIt : public EdgeIt {};
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  class EachEdgeIt : public EdgeIt {};
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  class NodeIt {};
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  NodeIt &getFirst(NodeIt &) const;
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  InEdgeIt &getFirst(InEdgeIt &,const NodeIt) const;
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  OutEdgeIt &getFirst(OutEdgeIt &,const NodeIt) const;
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  SymEdgeIt &getFirst(SymEdgeIt &,const NodeIt) const;
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  EachEdgeIt &getFirst(EachEdgeIt &) const;
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  NodeIt next(const NodeIt) const;
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  InEdgeIt next(const InEdgeIt) const;
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  OutEdgeIt next(const OutEdgeIt) const;
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  SymEdgeIt next(const SymEdgeIt) const;
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  EachEdgeIt next(const EachEdgeIt) const;
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  NodeIt &goNext(NodeIt &) const;
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  InEdgeIt &goNext(InEdgeIt &) const;
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  OutEdgeIt &goNext(OutEdgeIt &) const;
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  SymEdgeIt &goNext(SymEdgeIt &) const;
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  EachEdgeIt &goNext(EachEdgeIt &) const;
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  NodeIt head(const EdgeIt) const;
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  NodeIt tail(const EdgeIt) const;
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  NodeIt aNode(const InEdgeIt) const;
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  NodeIt aNode(const OutEdgeIt) const;
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  NodeIt aNode(const SymEdgeIt) const;
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  NodeIt bNode(const InEdgeIt) const;
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  NodeIt bNode(const OutEdgeIt) const;
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  NodeIt bNode(const SymEdgeIt) const;
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  bool valid(const NodeIt) const;
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  bool valid(const EdgeIt) const;
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  void setInvalid(NodeIt &) const;
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  void setInvalid(EdgeIt &) const;
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  NodeIt addNode();
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  EdgeIt addEdge(const NodeIt from,const NodeIt to);
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  void delete(NodeIt n);
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  void delete(EdgeIt e);
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  void clear();
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  template<class T> class NodeMap
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  {
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  public:
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    typedef T value_type;
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    void set(const NodeIt i, const T &t);
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    T get(const NodeIt i) const;
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    T &operator[](const NodeIt i);
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    NodeMap(const Graph &G);
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  };
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  template<class T> class EdgeMap
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  {
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  public:
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    typedef T value_type;
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    void set(const EdgeIt i, const T &t);
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    T get(const EdgeIt i) const;
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    T &operator[](const EdgeIt i);
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    EdgeMap(const Graph &G);
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  };
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};