marci@76: // -*-mode: c++; -*-
marci@76: #ifndef GRAPH_WRAPPER_H
marci@76: #define GRAPH_WRAPPER_H
marci@76: 
alpar@105: namespace hugo {
marci@76: 
marci@76:   template<typename Graph>
marci@76:   class TrivGraphWrapper {
marci@76:     Graph* graph;
marci@76:   
marci@76:   public:
marci@76:     typedef Graph BaseGraph;
marci@76: 
marci@76:     typedef typename Graph::NodeIt NodeIt;
marci@76:     typedef typename Graph::EachNodeIt EachNodeIt;
marci@76: 
marci@155:     typedef typename Graph::EdgeIt EdgeIt;
marci@76:     typedef typename Graph::OutEdgeIt OutEdgeIt;
marci@76:     typedef typename Graph::InEdgeIt InEdgeIt;
marci@155:     //typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@76:     typedef typename Graph::EachEdgeIt EachEdgeIt;
marci@76:     
marci@76:     template<typename I> I& getFirst(I& i) const { return graph->getFirst(i); }
marci@76:     template<typename I, typename P> I& getFirst(I& i, const P& p) const { 
marci@76:       return graph->getFirst(i, p); }
marci@155:     
marci@155:     template<typename I> I getNext(const I& i) const { 
marci@155:       return graph->getNext(i); }
marci@155:     template<typename I> I& next(I &i) const { return graph->next(i); }    
marci@76: 
marci@76:     template< typename It > It first() const { 
marci@76:       It e; getFirst(e); return e; }
marci@76: 
marci@155:     template< typename It > It first(const NodeIt& v) const { 
marci@76:       It e; getFirst(e, v); return e; }
marci@76: 
marci@76:     NodeIt head(const EdgeIt& e) const { return graph->head(e); }
marci@76:     NodeIt tail(const EdgeIt& e) const { return graph->tail(e); }
marci@155: 
marci@155:     template<typename I> bool valid(const I& i) const 
marci@155:       { return graph->valid(i); }
marci@155:   
marci@155:     //template<typename I> void setInvalid(const I &i);
marci@155:     //{ return graph->setInvalid(i); }
marci@155: 
marci@155:     int nodeNum() const { return graph->nodeNum(); }
marci@155:     int edgeNum() const { return graph->edgeNum(); }
marci@76:   
marci@76:     template<typename I> NodeIt aNode(const I& e) const { 
marci@76:       return graph->aNode(e); }
marci@76:     template<typename I> NodeIt bNode(const I& e) const { 
marci@76:       return graph->bNode(e); }
marci@76:   
marci@76:     NodeIt addNode() const { return graph->addNode(); }
marci@76:     EdgeIt addEdge(const NodeIt& tail, const NodeIt& head) const { 
marci@76:       return graph->addEdge(tail, head); }
marci@76:   
marci@76:     template<typename I> void erase(const I& i) const { graph->erase(i); }
marci@76:   
marci@76:     void clear() const { graph->clear(); }
marci@155:     
marci@76:     template<typename T> class NodeMap : public Graph::NodeMap<T> { 
marci@76:     public:
marci@155:       NodeMap(const TrivGraphWrapper<Graph>& _G) : 
marci@155: 	Graph::NodeMap<T>(*(_G.G)) { }
marci@155:       NodeMap(const TrivGraphWrapper<Graph>& _G, T a) : 
marci@155: 	Graph::NodeMap<T>(*(_G.G), a) { }
marci@76:     };
marci@155:     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 
marci@155:     public:
marci@155:       EdgeMap(const TrivGraphWrapper<Graph>& _G) : 
marci@155: 	Graph::EdgeMap<T>(*(_G.G)) { }
marci@155:       EdgeMap(const TrivGraphWrapper<Graph>& _G, T a) : 
marci@155: 	Graph::EdgeMap<T>(*(_G.G), a) { }
marci@155:     };
marci@155:     
marci@76:     void setGraph(Graph& _graph) { graph = &_graph; }
marci@155:     Graph& getGraph() const { return (*graph); }
marci@76:   
marci@76:     //TrivGraphWrapper() : graph(0) { }
marci@76:     TrivGraphWrapper(Graph& _graph) : graph(&_graph) { }
marci@76:   };
marci@76: 
marci@76:   template<typename Graph>
marci@76:   class RevGraphWrapper
marci@76:   {
marci@76:     Graph* graph;
marci@76:   
marci@76:   public:
marci@76:     typedef Graph BaseGraph;
marci@76: 
marci@155:     typedef typename Graph::NodeIt NodeIt;    
marci@76:     typedef typename Graph::EachNodeIt EachNodeIt;
marci@76:   
marci@155:     typedef typename Graph::EdgeIt EdgeIt;
marci@76:     typedef typename Graph::OutEdgeIt InEdgeIt;
marci@76:     typedef typename Graph::InEdgeIt OutEdgeIt;
marci@155:     //typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@76:     typedef typename Graph::EachEdgeIt EachEdgeIt;
marci@76:     
marci@76:     template<typename I> I& getFirst(I& i) const { return graph->getFirst(i); }
marci@76:     template<typename I, typename P> I& getFirst(I& i, const P& p) const { 
marci@76:       return graph->getFirst(i, p); }
marci@155: 
marci@155:     template<typename I> I getNext(const I& i) const { 
marci@155:       return graph->getNext(i); }
marci@155:     template<typename I> I& next(I &i) const { return graph->next(i); }    
marci@76: 
marci@76:     template< typename It > It first() const { 
marci@76:       It e; getFirst(e); return e; }
marci@76: 
marci@155:     template< typename It > It first(const NodeIt& v) const { 
marci@76:       It e; getFirst(e, v); return e; }
marci@76: 
marci@76:     NodeIt head(const EdgeIt& e) const { return graph->tail(e); }
marci@76:     NodeIt tail(const EdgeIt& e) const { return graph->head(e); }
marci@76:   
marci@155:     template<typename I> bool valid(const I& i) const 
marci@155:       { return graph->valid(i); }
marci@155:   
marci@155:     //template<typename I> void setInvalid(const I &i);
marci@155:     //{ return graph->setInvalid(i); }
marci@155:   
marci@76:     template<typename I> NodeIt aNode(const I& e) const { 
marci@76:       return graph->aNode(e); }
marci@76:     template<typename I> NodeIt bNode(const I& e) const { 
marci@76:       return graph->bNode(e); }
marci@155: 
marci@155:     NodeIt addNode() const { return graph->addNode(); }
marci@155:     EdgeIt addEdge(const NodeIt& tail, const NodeIt& head) const { 
marci@76:       return graph->addEdge(tail, head); }
marci@76:   
marci@155:     int nodeNum() const { return graph->nodeNum(); }
marci@155:     int edgeNum() const { return graph->edgeNum(); }
marci@76:   
marci@155:     template<typename I> void erase(const I& i) const { graph->erase(i); }
marci@76:   
marci@155:     void clear() const { graph->clear(); }
marci@155: 
marci@155:     template<typename T> class NodeMap : public Graph::NodeMap<T> { 
marci@155:     public:
marci@155:       NodeMap(const RevGraphWrapper<Graph>& _G) : 
marci@155: 	Graph::NodeMap<T>(*(_G.G)) { }
marci@155:       NodeMap(const RevGraphWrapper<Graph>& _G, T a) : 
marci@155: 	Graph::NodeMap<T>(*(_G.G), a) { }
marci@155:     };
marci@155:     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { 
marci@155:     public:
marci@155:       EdgeMap(const RevGraphWrapper<Graph>& _G) : 
marci@155: 	Graph::EdgeMap<T>(*(_G.G)) { }
marci@155:       EdgeMap(const RevGraphWrapper<Graph>& _G, T a) : 
marci@155: 	Graph::EdgeMap<T>(*(_G.G), a) { }
marci@155:     };
marci@155: 
marci@76:     void setGraph(Graph& _graph) { graph = &_graph; }
marci@155:     Graph& getGraph() const { return (*graph); }
marci@76: 
marci@76:     //RevGraphWrapper() : graph(0) { }
marci@76:     RevGraphWrapper(Graph& _graph) : graph(&_graph) { }
marci@76:   };
marci@76: 
marci@155: 
marci@155: //   template<typename Graph>
marci@155: //   class SymGraphWrapper
marci@155: //   {
marci@155: //     Graph* graph;
marci@76:   
marci@155: //   public:
marci@155: //     typedef Graph BaseGraph;
marci@155: 
marci@155: //     typedef typename Graph::NodeIt NodeIt;
marci@155: //     typedef typename Graph::EdgeIt EdgeIt;
marci@155:   
marci@155: //     typedef typename Graph::EachNodeIt EachNodeIt;
marci@155:     
marci@155: //     //FIXME tag-ekkel megcsinalni, hogy abbol csinaljon
marci@155: //     //iranyitatlant, ami van
marci@155: //     //mert csak 1 dolgot lehet be typedef-elni
marci@155: //     typedef typename Graph::OutEdgeIt SymEdgeIt;
marci@155: //     //typedef typename Graph::InEdgeIt SymEdgeIt;
marci@155: //     //typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@155: //     typedef typename Graph::EachEdgeIt EachEdgeIt;
marci@155: 
marci@155: //     int nodeNum() const { return graph->nodeNum(); }
marci@155: //     int edgeNum() const { return graph->edgeNum(); }
marci@155:     
marci@155: //     template<typename I> I& getFirst(I& i) const { return graph->getFirst(i); }
marci@155: //     template<typename I, typename P> I& getFirst(I& i, const P& p) const { 
marci@155: //       return graph->getFirst(i, p); }
marci@155: //     //template<typename I> I next(const I i); { return graph->goNext(i); }
marci@155: //     //template<typename I> I &goNext(I &i); { return graph->goNext(i); }
marci@155: 
marci@155: //     template< typename It > It first() const { 
marci@155: //       It e; getFirst(e); return e; }
marci@155: 
marci@155: //     template< typename It > It first(NodeIt v) const { 
marci@155: //       It e; getFirst(e, v); return e; }
marci@155: 
marci@155: //     NodeIt head(const EdgeIt& e) const { return graph->head(e); }
marci@155: //     NodeIt tail(const EdgeIt& e) const { return graph->tail(e); }
marci@155:   
marci@155: //     template<typename I> NodeIt aNode(const I& e) const { 
marci@155: //       return graph->aNode(e); }
marci@155: //     template<typename I> NodeIt bNode(const I& e) const { 
marci@155: //       return graph->bNode(e); }
marci@155:   
marci@155: //     //template<typename I> bool valid(const I i);
marci@155: //     //{ return graph->valid(i); }
marci@155:   
marci@155: //     //template<typename I> void setInvalid(const I &i);
marci@155: //     //{ return graph->setInvalid(i); }
marci@155:   
marci@155: //     NodeIt addNode() { return graph->addNode(); }
marci@155: //     EdgeIt addEdge(const NodeIt& tail, const NodeIt& head) { 
marci@155: //       return graph->addEdge(tail, head); }
marci@155:   
marci@155: //     template<typename I> void erase(const I& i) { graph->erase(i); }
marci@155:   
marci@155: //     void clear() { graph->clear(); }
marci@155:   
marci@155: //     template<typename T> class NodeMap : public Graph::NodeMap<T> { };
marci@155: //     template<typename T> class EdgeMap : public Graph::EdgeMap<T> { };
marci@155:   
marci@155: //     void setGraph(Graph& _graph) { graph = &_graph; }
marci@155: //     Graph& getGraph() { return (*graph); }
marci@155: 
marci@155: //     //SymGraphWrapper() : graph(0) { }
marci@155: //     SymGraphWrapper(Graph& _graph) : graph(&_graph) { }
marci@155: //   };
marci@155: 
marci@155: 
marci@155:   template<typename Graph, typename Number, typename FlowMap, typename CapacityMap>
marci@155:   class ResGraphWrapper {
marci@76:   public:
marci@76:     typedef Graph BaseGraph;
marci@155:     typedef typename Graph::NodeIt NodeIt;
marci@155:     typedef typename Graph::EachNodeIt EachNodeIt;
marci@155:   private:
marci@155:     typedef typename Graph::OutEdgeIt OldOutEdgeIt;
marci@155:     typedef typename Graph::InEdgeIt OldInEdgeIt;
marci@155:     const Graph* G;
marci@155:     FlowMap* flow;
marci@155:     const CapacityMap* capacity;
marci@155:   public:
marci@155:     ResGraphWrapper(const Graph& _G, FlowMap& _flow, 
marci@155: 	     const CapacityMap& _capacity) : 
marci@155:       G(&_G), flow(&_flow), capacity(&_capacity) { }
marci@155: //     ResGraphWrapper(const ResGraphWrapper& res_graph_wrapper) : 
marci@155: //       G(res_graph_wrapper.G), flow(res_graph_wrapper.flow), capacity(res_graph_wrapper.capacity) { }
marci@155:     class EdgeIt; 
marci@155:     class OutEdgeIt; 
marci@155:     friend class EdgeIt; 
marci@155:     friend class OutEdgeIt; 
marci@76: 
marci@155:     class EdgeIt {
marci@155:       friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
marci@155:     protected:
marci@155:       //const ResGraph3<Graph, Number, FlowMap, CapacityMap>* resG;
marci@155:       const Graph* G;
marci@155:       FlowMap* flow;
marci@155:       const CapacityMap* capacity;
marci@155:       //OldSymEdgeIt sym;
marci@155:       OldOutEdgeIt out;
marci@155:       OldInEdgeIt in;
marci@155:       bool out_or_in; //true, iff out
marci@155:     public:
marci@155:       EdgeIt() : out_or_in(true) { } 
marci@155:       EdgeIt(const Graph& _G, FlowMap& _flow, const CapacityMap& _capacity) : 
marci@155: 	G(&_G), flow(&_flow), capacity(&_capacity), out_or_in(true) { }
marci@155:       //EdgeIt(const EdgeIt& e) : G(e.G), flow(e.flow), capacity(e.capacity), out(e.out), in(e.in), out_or_in(e.out_or_in) { }
marci@155:       Number free() const { 
marci@155: 	if (out_or_in) { 
marci@155: 	  return (/*resG->*/capacity->get(out)-/*resG->*/flow->get(out)); 
marci@155: 	} else { 
marci@155: 	  return (/*resG->*/flow->get(in)); 
marci@155: 	}
marci@155:       }
marci@155:       bool valid() const { 
marci@155: 	return out_or_in && out.valid() || in.valid(); }
marci@155:       void augment(Number a) const {
marci@155: 	if (out_or_in) { 
marci@155: 	  /*resG->*/flow->set(out, /*resG->*/flow->get(out)+a);
marci@155: 	} else { 
marci@155: 	  /*resG->*/flow->set(in, /*resG->*/flow->get(in)-a);
marci@155: 	}
marci@155:       }
marci@155:       void print() { 
marci@155: 	if (out_or_in) {
marci@155: 	  std::cout << "out "; 
marci@155: 	  if (out.valid()) 
marci@155: 	    std::cout << G->id(G->tail(out)) << "--"<< G->id(out) <<"->"<< G->id(G->head(out)); 
marci@155: 	  else 
marci@155: 	    std::cout << "invalid"; 
marci@155: 	}
marci@155: 	else {
marci@155: 	  std::cout << "in "; 
marci@155: 	  if (in.valid()) 
marci@155: 	    std::cout << G->id(G->head(in)) << "<-"<< G->id(in) <<"--"<< G->id(G->tail(in)); 
marci@155: 	  else 
marci@155: 	    std::cout << "invalid"; 
marci@155: 	}
marci@155: 	std::cout << std::endl;
marci@155:       }
marci@155:     };
marci@155: 
marci@155:     Number free(OldOutEdgeIt out) const { 
marci@155:       return (/*resG->*/capacity->get(out)-/*resG->*/flow->get(out)); 
marci@155:     }
marci@155:     Number free(OldInEdgeIt in) const { 
marci@155:       return (/*resG->*/flow->get(in)); 
marci@155:     }
marci@155: 
marci@155:     class OutEdgeIt : public EdgeIt {
marci@155:       friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
marci@155:     public:
marci@155:       OutEdgeIt() { }
marci@155:     private:
marci@155:       OutEdgeIt(const Graph& _G, NodeIt v, FlowMap& _flow, const CapacityMap& _capacity) : EdgeIt(_G, _flow, _capacity) { 
marci@155: 	//out=/*resG->*/G->template first<OldOutEdgeIt>(v);
marci@155: 	G->getFirst(out, v);
marci@155: 	while( out.valid() && !(EdgeIt::free()>0) ) { ++out; }
marci@155: 	if (!out.valid()) {
marci@155: 	  out_or_in=0;
marci@155: 	  //in=/*resG->*/G->template first<OldInEdgeIt>(v);
marci@155: 	  G->getFirst(in, v);
marci@155: 	  while( in.valid() && !(EdgeIt::free()>0) ) { ++in; }
marci@155: 	}
marci@155:       }
marci@155:     public:
marci@155:       OutEdgeIt& operator++() { 
marci@155: 	if (out_or_in) {
marci@155: 	  NodeIt v=/*resG->*/G->aNode(out);
marci@155: 	  ++out;
marci@155: 	  while( out.valid() && !(EdgeIt::free()>0) ) { ++out; }
marci@155: 	  if (!out.valid()) {
marci@155: 	    out_or_in=0;
marci@155: 	    G->getFirst(in, v); //=/*resG->*/G->template first<OldInEdgeIt>(v);
marci@155: 	    while( in.valid() && !(EdgeIt::free()>0) ) { ++in; }
marci@155: 	  }
marci@155: 	} else {
marci@155: 	  ++in;
marci@155: 	  while( in.valid() && !(EdgeIt::free()>0) ) { ++in; } 
marci@155: 	}
marci@155: 	return *this; 
marci@155:       }
marci@155:     };
marci@155: 
marci@155:     class EachEdgeIt : public EdgeIt {
marci@155:       friend class ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>;
marci@155:       typename Graph::EachNodeIt v;
marci@155:     public:
marci@155:       EachEdgeIt() { }
marci@155:       //EachEdgeIt(const EachEdgeIt& e) : EdgeIt(e), v(e.v) { }
marci@155:       EachEdgeIt(const Graph& _G, FlowMap& _flow, const CapacityMap& _capacity) : EdgeIt(_G, _flow, _capacity) { 
marci@155: 	out_or_in=true;
marci@155: 	G->getFirst(v);
marci@155: 	if (v.valid()) G->getFirst(out, v); else out=OldOutEdgeIt();
marci@155: 	while (out.valid() && !(EdgeIt::free()>0) ) { ++out; }
marci@155: 	while (v.valid() && !out.valid()) { 
marci@155: 	  ++v; 
marci@155: 	  if (v.valid()) G->getFirst(out, v); 
marci@155: 	  while (out.valid() && !(EdgeIt::free()>0) ) { ++out; }
marci@155: 	}
marci@155: 	if (!out.valid()) {
marci@155: 	  out_or_in=0;
marci@155: 	  G->getFirst(v);
marci@155: 	  if (v.valid()) G->getFirst(in, v); else in=OldInEdgeIt();
marci@155: 	  while (in.valid() && !(EdgeIt::free()>0) ) { ++in; }
marci@155: 	  while (v.valid() && !in.valid()) { 
marci@155: 	    ++v; 
marci@155: 	    if (v.valid()) G->getFirst(in, v); 
marci@155: 	    while (in.valid() && !(EdgeIt::free()>0) ) { ++in; }
marci@155: 	  }
marci@155: 	}
marci@155:       }
marci@155:       EachEdgeIt& operator++() { 
marci@155: 	if (out_or_in) {
marci@155: 	  ++out;
marci@155: 	  while (out.valid() && !(EdgeIt::free()>0) ) { ++out; }
marci@155: 	  while (v.valid() && !out.valid()) { 
marci@155: 	    ++v; 
marci@155: 	    if (v.valid()) G->getFirst(out, v); 
marci@155: 	    while (out.valid() && !(EdgeIt::free()>0) ) { ++out; }
marci@155: 	  }
marci@155: 	  if (!out.valid()) {
marci@155: 	    out_or_in=0;
marci@155: 	    G->getFirst(v);
marci@155: 	    if (v.valid()) G->getFirst(in, v); else in=OldInEdgeIt();
marci@155: 	    while (in.valid() && !(EdgeIt::free()>0) ) { ++in; }
marci@155: 	    while (v.valid() && !in.valid()) { 
marci@155: 	      ++v; 
marci@155: 	      if (v.valid()) G->getFirst(in, v); 
marci@155: 	      while (in.valid() && !(EdgeIt::free()>0) ) { ++in; }
marci@155: 	    }  
marci@155: 	  }
marci@155: 	} else {
marci@155: 	  ++in;
marci@155: 	  while (in.valid() && !(EdgeIt::free()>0) ) { ++in; }
marci@155: 	  while (v.valid() && !in.valid()) { 
marci@155: 	    ++v; 
marci@155: 	    if (v.valid()) G->getFirst(in, v); 
marci@155: 	    while (in.valid() && !(EdgeIt::free()>0) ) { ++in; }
marci@155: 	  }
marci@155: 	}
marci@155: 	return *this;
marci@155:       }
marci@155:     };
marci@155: 
marci@155:     void getFirst(EachNodeIt& v) const { G->getFirst(v); }
marci@155:     void getFirst(OutEdgeIt& e, NodeIt v) const { 
marci@155:       e=OutEdgeIt(*G, v, *flow, *capacity); 
marci@155:     }
marci@155:     void getFirst(EachEdgeIt& e) const { 
marci@155:       e=EachEdgeIt(*G, *flow, *capacity); 
marci@155:     }
marci@155:    
marci@155:     EachNodeIt& next(EachNodeIt& n) const { return G->next(n); }
marci@155: 
marci@155:     OutEdgeIt& next(OutEdgeIt& e) const { 
marci@155:       if (e.out_or_in) {
marci@155: 	NodeIt v=G->aNode(e.out);
marci@155: 	++(e.out);
marci@155: 	while( G->valid(e.out) && !(e.free()>0) ) { ++(e.out); }
marci@155: 	if (!G->valid(e.out)) {
marci@155: 	  e.out_or_in=0;
marci@155: 	  G->getFirst(e.in, v); //=/*resG->*/G->template first<OldInEdgeIt>(v);
marci@155: 	  while( G->valid(e.in) && !(e.free()>0) ) { ++(e.in); }
marci@155: 	}
marci@155:       } else {
marci@155: 	++(e.in);
marci@155: 	while( G->valid(e.in) && !(e.free()>0) ) { ++(e.in); } 
marci@155:       }
marci@155:       return e;
marci@155:     }
marci@155: 
marci@155:     EachEdgeIt& next(EachEdgeIt& e) const { 
marci@155:       if (e.out_or_in) {
marci@155: 	++(e.out);
marci@155: 	while (G->valid(e.out) && !(e.free()>0) ) { ++(e.out); }
marci@155: 	  while (G->valid(e.v) && !G->valid(e.out)) { 
marci@155: 	    ++(e.v); 
marci@155: 	    if (G->valid(e.v)) G->getFirst(e.out, e.v); 
marci@155: 	    while (G->valid(e.out) && !(e.free()>0) ) { ++(e.out); }
marci@155: 	  }
marci@155: 	  if (!G->valid(e.out)) {
marci@155: 	    e.out_or_in=0;
marci@155: 	    G->getFirst(e.v);
marci@155: 	    if (G->valid(e.v)) G->getFirst(e.in, e.v); else e.in=OldInEdgeIt();
marci@155: 	    while (G->valid(e.in) && !(e.free()>0) ) { ++(e.in); }
marci@155: 	    while (G->valid(e.v) && !G->valid(e.in)) { 
marci@155: 	      ++(e.v); 
marci@155: 	      if (G->valid(e.v)) G->getFirst(e.in, e.v); 
marci@155: 	      while (G->valid(e.in) && !(e.free()>0) ) { ++(e.in); }
marci@155: 	    }  
marci@155: 	  }
marci@155: 	} else {
marci@155: 	  ++(e.in);
marci@155: 	  while (G->valid(e.in) && !(e.free()>0) ) { ++(e.in); }
marci@155: 	  while (G->valid(e.v) && !G->valid(e.in)) { 
marci@155: 	    ++(e.v); 
marci@155: 	    if (G->valid(e.v)) G->getFirst(e.in, e.v); 
marci@155: 	    while (G->valid(e.in) && !(e.free()>0) ) { ++(e.in); }
marci@155: 	  }
marci@155: 	}
marci@155: 	return e;
marci@155:       }
marci@76:     
marci@76: 
marci@155:     template< typename It >
marci@155:     It first() const { 
marci@155:       It e;
marci@155:       getFirst(e);
marci@155:       return e; 
marci@155:     }
marci@76: 
marci@155:     template< typename It >
marci@155:     It first(NodeIt v) const { 
marci@155:       It e;
marci@155:       getFirst(e, v);
marci@155:       return e; 
marci@155:     }
marci@76: 
marci@155:     NodeIt tail(EdgeIt e) const { 
marci@155:       return ((e.out_or_in) ? G->aNode(e.out) : G->aNode(e.in)); }
marci@155:     NodeIt head(EdgeIt e) const { 
marci@155:       return ((e.out_or_in) ? G->bNode(e.out) : G->bNode(e.in)); }
marci@76: 
marci@155:     NodeIt aNode(OutEdgeIt e) const { 
marci@155:       return ((e.out_or_in) ? G->aNode(e.out) : G->aNode(e.in)); }
marci@155:     NodeIt bNode(OutEdgeIt e) const { 
marci@155:       return ((e.out_or_in) ? G->bNode(e.out) : G->bNode(e.in)); }
marci@76: 
marci@155:     int id(NodeIt v) const { return G->id(v); }
marci@155: 
marci@155:     bool valid(NodeIt n) const { return G->valid(n); }
marci@155:     bool valid(EdgeIt e) const { 
marci@155:       return e.out_or_in ? G->valid(e.out) : G->valid(e.in); }
marci@155: 
marci@155:     template<typename T> class NodeMap : public Graph::NodeMap<T> { 
marci@155:     public:
marci@155:       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) 
marci@155: 	: Graph::NodeMap<T>(*(_G.G)) { }
marci@155:       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, 
marci@155: 	      T a) : Graph::NodeMap<T>(*(_G.G), a) { }
marci@155:     };
marci@155: 
marci@155: //     template <typename T>
marci@155: //     class NodeMap {
marci@155: //       typename Graph::NodeMap<T> node_map; 
marci@155: //     public:
marci@155: //       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : node_map(*(_G.G)) { }
marci@155: //       NodeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : node_map(*(_G.G), a) { }
marci@155: //       void set(NodeIt nit, T a) { node_map.set(nit, a); }
marci@155: //       T get(NodeIt nit) const { return node_map.get(nit); }
marci@155: //     };
marci@155: 
marci@155:     template <typename T>
marci@155:     class EdgeMap {
marci@155:       typename Graph::EdgeMap<T> forward_map, backward_map; 
marci@155:     public:
marci@155:       EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G) : forward_map(*(_G.G)), backward_map(*(_G.G)) { }
marci@155:       EdgeMap(const ResGraphWrapper<Graph, Number, FlowMap, CapacityMap>& _G, T a) : forward_map(*(_G.G), a), backward_map(*(_G.G), a) { }
marci@155:       void set(EdgeIt e, T a) { 
marci@155: 	if (e.out_or_in) 
marci@155: 	  forward_map.set(e.out, a); 
marci@155: 	else 
marci@155: 	  backward_map.set(e.in, a); 
marci@155:       }
marci@155:       T get(EdgeIt e) { 
marci@155: 	if (e.out_or_in) 
marci@155: 	  return forward_map.get(e.out); 
marci@155: 	else 
marci@155: 	  return backward_map.get(e.in); 
marci@155:       }
marci@155:     };
marci@155: 
marci@76:   };
marci@76: 
marci@76: 
marci@148: 
marci@148: // // FIXME: comparison should be made better!!!
marci@148: //   template<typename Graph, typename T, typename LowerMap, typename FlowMap, typename UpperMap>
marci@148: //   class ResGraphWrapper
marci@148: //   {
marci@148: //     Graph* graph;
marci@76:   
marci@148: //   public:
marci@148: //     typedef Graph BaseGraph;
marci@76: 
marci@148: //     typedef typename Graph::NodeIt NodeIt;
marci@148: //     typedef typename Graph::EdgeIt EdgeIt;
marci@76:   
marci@148: //     typedef typename Graph::EachNodeIt EachNodeIt;
marci@76:    
marci@148: //     class OutEdgeIt {
marci@148: //     public:
marci@148: //       //Graph::NodeIt n;
marci@148: //       bool out_or_in;
marci@148: //       typename Graph::OutEdgeIt o;
marci@148: //       typename Graph::InEdgeIt i;   
marci@148: //     };
marci@148: //     class InEdgeIt {
marci@148: //     public:
marci@148: //       //Graph::NodeIt n;
marci@148: //       bool out_or_in;
marci@148: //       typename Graph::OutEdgeIt o;
marci@148: //       typename Graph::InEdgeIt i;   
marci@148: //     };
marci@148: //     typedef typename Graph::SymEdgeIt SymEdgeIt;
marci@148: //     typedef typename Graph::EachEdgeIt EachEdgeIt;
marci@76: 
marci@148: //     int nodeNum() const { return graph->nodeNum(); }
marci@148: //     int edgeNum() const { return graph->edgeNum(); }
marci@76: 
marci@148: //     NodeIt& getFirst(NodeIt& n) const { return graph->getFirst(n); }
marci@76: 
marci@148: //     // EachEdge and SymEdge  is missing!!!!
marci@148: //     // EdgeIt <-> In/OutEdgeIt conversion is missing!!!!
marci@76: 
marci@148: //     //FIXME
marci@148: //     OutEdgeIt& getFirst(OutEdgeIt& e, const NodeIt& n) const 
marci@148: //       {
marci@148: // 	e.n=n;
marci@148: // 	graph->getFirst(e.o,n);
marci@148: // 	while(graph->valid(e.o) && fmap.get(e.o)>=himap.get(e.o))
marci@148: // 	  graph->goNext(e.o);
marci@148: // 	if(!graph->valid(e.o)) {
marci@148: // 	  graph->getFirst(e.i,n);
marci@148: // 	  while(graph->valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))
marci@148: // 	    graph->goNext(e.i);
marci@148: // 	}
marci@148: // 	return e;
marci@148: //       }
marci@148: // /*
marci@148: //   OutEdgeIt &goNext(OutEdgeIt &e)
marci@148: //   {
marci@148: //   if(graph->valid(e.o)) {
marci@148: //   while(graph->valid(e.o) && fmap.get(e.o)>=himap.get(e.o))
marci@148: //   graph->goNext(e.o);
marci@148: //   if(graph->valid(e.o)) return e;
marci@148: //   else graph->getFirst(e.i,e.n);
marci@148: //   }
marci@148: //   else {
marci@148: //   while(graph->valid(e.i) && fmap.get(e.i)<=lomap.get(e.i))
marci@148: //   graph->goNext(e.i);
marci@148: //   return e;
marci@148: //   }
marci@148: //   }
marci@148: //   OutEdgeIt Next(const OutEdgeIt &e) {OutEdgeIt t(e); return goNext(t);}
marci@148: // */
marci@148: //     //bool valid(const OutEdgeIt e) { return graph->valid(e.o)||graph->valid(e.i);}
marci@76: 
marci@148: //     //FIXME
marci@148: //     InEdgeIt& getFirst(InEdgeIt& e, const NodeIt& n) const 
marci@148: //       {
marci@148: // 	e.n=n;
marci@148: // 	graph->getFirst(e.i,n);
marci@148: // 	while(graph->valid(e.i) && fmap.get(e.i)>=himap.get(e.i))
marci@148: // 	  graph->goNext(e.i);
marci@148: // 	if(!graph->valid(e.i)) {
marci@148: // 	  graph->getFirst(e.o,n);
marci@148: // 	  while(graph->valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))
marci@148: // 	    graph->goNext(e.o);
marci@148: // 	}
marci@148: // 	return e;
marci@148: //       }
marci@148: // /*
marci@148: //   InEdgeIt &goNext(InEdgeIt &e)
marci@148: //   {
marci@148: //   if(graph->valid(e.i)) {
marci@148: //   while(graph->valid(e.i) && fmap.get(e.i)>=himap.get(e.i))
marci@148: //   graph->goNext(e.i);
marci@148: //   if(graph->valid(e.i)) return e;
marci@148: //   else graph->getFirst(e.o,e.n);
marci@148: //   }
marci@148: //   else {
marci@148: //   while(graph->valid(e.o) && fmap.get(e.o)<=lomap.get(e.o))
marci@148: //   graph->goNext(e.o);
marci@148: //   return e;
marci@148: //   }
marci@148: //   }
marci@148: //   InEdgeIt Next(const InEdgeIt &e) {InEdgeIt t(e); return goNext(t);}
marci@148: // */
marci@148: //     //bool valid(const InEdgeIt e) { return graph->valid(e.i)||graph->valid(e.o);}
marci@76: 
marci@148: //     //template<typename I> I &goNext(I &i); { return graph->goNext(i); }
marci@148: //     //template<typename I> I next(const I i); { return graph->goNext(i); }
marci@76: 
marci@148: //     template< typename It > It first() const { 
marci@148: //       It e; getFirst(e); return e; }
marci@76: 
marci@148: //     template< typename It > It first(NodeIt v) const { 
marci@148: //       It e; getFirst(e, v); return e; }
marci@76: 
marci@148: //     NodeIt head(const EdgeIt& e) const { return graph->head(e); }
marci@148: //     NodeIt tail(const EdgeIt& e) const { return graph->tail(e); }
marci@76:   
marci@148: //     template<typename I> NodeIt aNode(const I& e) const { 
marci@148: //       return graph->aNode(e); }
marci@148: //     template<typename I> NodeIt bNode(const I& e) const { 
marci@148: //       return graph->bNode(e); }
marci@76:   
marci@148: //     //template<typename I> bool valid(const I i);
marci@148: //     //{ return graph->valid(i); }
marci@76:   
marci@148: //     //template<typename I> void setInvalid(const I &i);
marci@148: //     //{ return graph->setInvalid(i); }
marci@76:   
marci@148: //     NodeIt addNode() { return graph->addNode(); }
marci@148: //     EdgeIt addEdge(const NodeIt& tail, const NodeIt& head) { 
marci@148: //       return graph->addEdge(tail, head); }
marci@76:   
marci@148: //     template<typename I> void erase(const I& i) { graph->erase(i); }
marci@76:   
marci@148: //     void clear() { graph->clear(); }
marci@76:   
marci@148: //     template<typename S> class NodeMap : public Graph::NodeMap<S> { };
marci@148: //     template<typename S> class EdgeMap : public Graph::EdgeMap<S> { };
marci@76:   
marci@148: //     void setGraph(Graph& _graph) { graph = &_graph; }
marci@148: //     Graph& getGraph() { return (*graph); }
marci@76: 
marci@148: //     //ResGraphWrapper() : graph(0) { }
marci@148: //     ResGraphWrapper(Graph& _graph) : graph(&_graph) { }
marci@148: //   };
marci@76: 
alpar@105: } //namespace hugo
marci@76: 
marci@76: #endif //GRAPH_WRAPPER_H
marci@76: