klao@946
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// -*- c++ -*-
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klao@946
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#ifndef LEMON_ITERABLE_GRAPH_EXTENDER_H
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klao@946
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#define LEMON_ITERABLE_GRAPH_EXTENDER_H
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klao@946
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klao@946
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#include <lemon/invalid.h>
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alpar@1448
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#include <lemon/utility.h>
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klao@946
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klao@946
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namespace lemon {
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klao@946
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klao@946
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template <typename _Base>
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class IterableGraphExtender : public _Base {
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klao@962
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public:
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klao@946
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alpar@1448
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/// Indicates that the graph is undirected.
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alpar@1448
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alpar@1448
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///\todo Better name?
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alpar@1448
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///
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alpar@1448
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///\bug Should it be here?
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klao@1909
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typedef False UTag;
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alpar@1448
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typedef _Base Parent;
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typedef IterableGraphExtender<_Base> Graph;
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typedef typename Parent::Node Node;
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typedef typename Parent::Edge Edge;
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class NodeIt : public Node {
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const Graph* graph;
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public:
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NodeIt() {}
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NodeIt(Invalid i) : Node(i) { }
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explicit NodeIt(const Graph& _graph) : graph(&_graph) {
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_graph.first(*static_cast<Node*>(this));
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}
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NodeIt(const Graph& _graph, const Node& node)
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: Node(node), graph(&_graph) {}
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NodeIt& operator++() {
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graph->next(*this);
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return *this;
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}
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};
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class EdgeIt : public Edge {
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const Graph* graph;
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public:
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EdgeIt() { }
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EdgeIt(Invalid i) : Edge(i) { }
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explicit EdgeIt(const Graph& _graph) : graph(&_graph) {
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_graph.first(*static_cast<Edge*>(this));
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}
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EdgeIt(const Graph& _graph, const Edge& e) :
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Edge(e), graph(&_graph) { }
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EdgeIt& operator++() {
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graph->next(*this);
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return *this;
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}
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};
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class OutEdgeIt : public Edge {
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const Graph* graph;
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public:
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OutEdgeIt() { }
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OutEdgeIt(Invalid i) : Edge(i) { }
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OutEdgeIt(const Graph& _graph, const Node& node)
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: graph(&_graph) {
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_graph.firstOut(*this, node);
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}
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OutEdgeIt(const Graph& _graph, const Edge& edge)
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: Edge(edge), graph(&_graph) {}
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OutEdgeIt& operator++() {
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graph->nextOut(*this);
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return *this;
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}
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};
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class InEdgeIt : public Edge {
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const Graph* graph;
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public:
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InEdgeIt() { }
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InEdgeIt(Invalid i) : Edge(i) { }
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InEdgeIt(const Graph& _graph, const Node& node)
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: graph(&_graph) {
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_graph.firstIn(*this, node);
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}
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InEdgeIt(const Graph& _graph, const Edge& edge) :
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Edge(edge), graph(&_graph) {}
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InEdgeIt& operator++() {
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graph->nextIn(*this);
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return *this;
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}
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};
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/// \brief Base node of the iterator
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///
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/// Returns the base node (ie. the source in this case) of the iterator
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Node baseNode(const OutEdgeIt &e) const {
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return Parent::source((Edge)e);
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}
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deba@1627
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/// \brief Running node of the iterator
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///
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/// Returns the running node (ie. the target in this case) of the
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/// iterator
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Node runningNode(const OutEdgeIt &e) const {
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return Parent::target((Edge)e);
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}
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klao@1158
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deba@1627
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/// \brief Base node of the iterator
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klao@1158
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///
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/// Returns the base node (ie. the target in this case) of the iterator
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Node baseNode(const InEdgeIt &e) const {
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deba@1564
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return Parent::target((Edge)e);
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}
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deba@1627
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/// \brief Running node of the iterator
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klao@1158
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///
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/// Returns the running node (ie. the source in this case) of the
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/// iterator
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Node runningNode(const InEdgeIt &e) const {
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deba@1564
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return Parent::source((Edge)e);
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klao@1158
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}
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klao@1158
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using Parent::first;
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deba@1627
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/// \brief The opposite node on the given edge.
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deba@1627
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///
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deba@1627
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/// Gives back the opposite on the given edge.
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deba@1627
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Node oppositeNode(const Node& n, const Edge& e) const {
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deba@1627
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if (Parent::source(e) == n) {
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return Parent::target(e);
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deba@1627
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} else {
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return Parent::source(e);
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deba@1627
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}
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deba@1627
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}
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private:
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// void first(NodeIt &) const;
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klao@1230
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// void first(EdgeIt &) const;
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klao@1230
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// void first(OutEdgeIt &) const;
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klao@1230
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// void first(InEdgeIt &) const;
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};
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klao@1158
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klao@946
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klao@962
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template <typename _Base>
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class IterableUGraphExtender : public IterableGraphExtender<_Base> {
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klao@962
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public:
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klao@962
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alpar@1448
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/// Indicates that the graph is undirected.
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alpar@1448
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alpar@1448
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///\todo Better name?
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alpar@1448
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///
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alpar@1448
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///\bug Should it be here?
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alpar@1448
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///\bug Should be tested in the concept checker whether it is defined
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alpar@1448
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///correctly.
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klao@1909
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typedef True UTag;
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alpar@1448
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typedef IterableGraphExtender<_Base> Parent;
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klao@1909
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typedef IterableUGraphExtender<_Base> Graph;
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klao@1021
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typedef typename Parent::Node Node;
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deba@1627
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typedef typename Parent::Edge Edge;
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klao@1909
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typedef typename Parent::UEdge UEdge;
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klao@962
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klao@1909
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class UEdgeIt : public Parent::UEdge {
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klao@962
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const Graph* graph;
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public:
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UEdgeIt() { }
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klao@962
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klao@1909
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UEdgeIt(Invalid i) : UEdge(i) { }
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klao@1909
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explicit UEdgeIt(const Graph& _graph) : graph(&_graph) {
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klao@1909
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_graph.first(*static_cast<UEdge*>(this));
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}
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UEdgeIt(const Graph& _graph, const UEdge& e) :
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UEdge(e), graph(&_graph) { }
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klao@1909
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UEdgeIt& operator++() {
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graph->next(*this);
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return *this;
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}
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};
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klao@1909
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class IncEdgeIt : public Parent::UEdge {
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klao@1021
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const Graph* graph;
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deba@1704
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bool direction;
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klao@1909
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friend class IterableUGraphExtender;
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public:
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IncEdgeIt() { }
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klao@1021
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klao@1909
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IncEdgeIt(Invalid i) : UEdge(i), direction(false) { }
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klao@1021
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deba@1704
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IncEdgeIt(const Graph& _graph, const Node &n) : graph(&_graph) {
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_graph.firstInc(*this, direction, n);
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}
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klao@1021
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klao@1909
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IncEdgeIt(const Graph& _graph, const UEdge &ue, const Node &n)
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: graph(&_graph), UEdge(ue) {
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deba@1704
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direction = (_graph.source(ue) == n);
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}
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klao@1021
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IncEdgeIt& operator++() {
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deba@1704
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graph->nextInc(*this, direction);
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klao@1021
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return *this;
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klao@1021
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}
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klao@1021
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};
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klao@1021
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using Parent::baseNode;
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using Parent::runningNode;
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klao@1158
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/// Base node of the iterator
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///
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/// Returns the base node of the iterator
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Node baseNode(const IncEdgeIt &e) const {
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deba@1704
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return e.direction ? source(e) : target(e);
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klao@1021
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}
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klao@1158
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/// Running node of the iterator
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///
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/// Returns the running node of the iterator
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Node runningNode(const IncEdgeIt &e) const {
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deba@1704
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return e.direction ? target(e) : source(e);
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klao@1021
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}
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klao@1021
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deba@1627
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/// \brief The opposite node on the given undirected edge.
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deba@1627
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///
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deba@1627
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/// Gives back the opposite on the given undirected edge.
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klao@1909
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Node oppositeNode(const Node& n, const UEdge& e) const {
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deba@1627
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if (Parent::source(e) == n) {
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deba@1627
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return Parent::target(e);
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deba@1627
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} else {
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deba@1627
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return Parent::source(e);
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deba@1627
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}
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deba@1627
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}
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deba@1627
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klao@962
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};
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deba@1820
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deba@1820
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deba@1820
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template <typename _Base>
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deba@1910
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class IterableBpUGraphExtender : public _Base {
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deba@1820
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public:
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deba@1820
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typedef _Base Parent;
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deba@1910
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typedef IterableBpUGraphExtender Graph;
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deba@1820
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deba@1820
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typedef typename Parent::Node Node;
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deba@1910
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typedef typename Parent::ANode ANode;
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deba@1910
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typedef typename Parent::BNode BNode;
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deba@1820
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typedef typename Parent::Edge Edge;
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klao@1909
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typedef typename Parent::UEdge UEdge;
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deba@1820
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deba@1820
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class NodeIt : public Node {
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deba@1820
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const Graph* graph;
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deba@1820
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public:
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deba@1820
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deba@1820
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NodeIt() { }
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deba@1820
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deba@1820
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NodeIt(Invalid i) : Node(INVALID) { }
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deba@1820
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deba@1820
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explicit NodeIt(const Graph& _graph) : graph(&_graph) {
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deba@1820
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graph->first(static_cast<Node&>(*this));
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deba@1820
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}
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deba@1820
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deba@1820
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NodeIt(const Graph& _graph, const Node& node)
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deba@1820
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: Node(node), graph(&_graph) { }
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deba@1820
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deba@1820
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NodeIt& operator++() {
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deba@1820
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graph->next(*this);
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deba@1820
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return *this;
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deba@1820
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}
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deba@1820
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deba@1820
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};
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deba@1820
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deba@1934
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class ANodeIt : public Node {
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deba@1910
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friend class IterableBpUGraphExtender;
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deba@1820
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const Graph* graph;
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deba@1820
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public:
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deba@1820
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deba@1910
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ANodeIt() { }
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deba@1820
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deba@1910
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ANodeIt(Invalid i) : Node(INVALID) { }
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deba@1820
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deba@1910
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explicit ANodeIt(const Graph& _graph) : graph(&_graph) {
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deba@1910
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graph->firstANode(static_cast<Node&>(*this));
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deba@1820
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}
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deba@1820
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deba@1910
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ANodeIt(const Graph& _graph, const Node& node)
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deba@1820
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: Node(node), graph(&_graph) {}
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deba@1820
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deba@1910
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ANodeIt& operator++() {
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deba@1910
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graph->nextANode(*this);
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deba@1820
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return *this;
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deba@1820
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}
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deba@1820
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};
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deba@1820
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deba@1934
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class BNodeIt : public Node {
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deba@1910
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friend class IterableBpUGraphExtender;
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deba@1820
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const Graph* graph;
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deba@1820
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public:
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deba@1820
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deba@1910
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BNodeIt() { }
|
deba@1820
|
334 |
|
deba@1910
|
335 |
BNodeIt(Invalid i) : Node(INVALID) { }
|
deba@1820
|
336 |
|
deba@1910
|
337 |
explicit BNodeIt(const Graph& _graph) : graph(&_graph) {
|
deba@1910
|
338 |
graph->firstBNode(static_cast<Node&>(*this));
|
deba@1820
|
339 |
}
|
deba@1820
|
340 |
|
deba@1910
|
341 |
BNodeIt(const Graph& _graph, const Node& node)
|
deba@1820
|
342 |
: Node(node), graph(&_graph) {}
|
deba@1820
|
343 |
|
deba@1910
|
344 |
BNodeIt& operator++() {
|
deba@1910
|
345 |
graph->nextBNode(*this);
|
deba@1820
|
346 |
return *this;
|
deba@1820
|
347 |
}
|
deba@1820
|
348 |
};
|
deba@1820
|
349 |
|
deba@1820
|
350 |
class EdgeIt : public Edge {
|
deba@1910
|
351 |
friend class IterableBpUGraphExtender;
|
deba@1820
|
352 |
const Graph* graph;
|
deba@1820
|
353 |
public:
|
deba@1820
|
354 |
|
deba@1820
|
355 |
EdgeIt() { }
|
deba@1820
|
356 |
|
deba@1820
|
357 |
EdgeIt(Invalid i) : Edge(INVALID) { }
|
deba@1820
|
358 |
|
deba@1820
|
359 |
explicit EdgeIt(const Graph& _graph) : graph(&_graph) {
|
deba@1820
|
360 |
graph->first(static_cast<Edge&>(*this));
|
deba@1820
|
361 |
}
|
deba@1820
|
362 |
|
deba@1820
|
363 |
EdgeIt(const Graph& _graph, const Edge& edge)
|
deba@1820
|
364 |
: Edge(edge), graph(&_graph) { }
|
deba@1820
|
365 |
|
deba@1820
|
366 |
EdgeIt& operator++() {
|
deba@1820
|
367 |
graph->next(*this);
|
deba@1820
|
368 |
return *this;
|
deba@1820
|
369 |
}
|
deba@1820
|
370 |
|
deba@1820
|
371 |
};
|
deba@1820
|
372 |
|
klao@1909
|
373 |
class UEdgeIt : public UEdge {
|
deba@1910
|
374 |
friend class IterableBpUGraphExtender;
|
deba@1820
|
375 |
const Graph* graph;
|
deba@1820
|
376 |
public:
|
deba@1820
|
377 |
|
klao@1909
|
378 |
UEdgeIt() { }
|
deba@1820
|
379 |
|
klao@1909
|
380 |
UEdgeIt(Invalid i) : UEdge(INVALID) { }
|
deba@1820
|
381 |
|
klao@1909
|
382 |
explicit UEdgeIt(const Graph& _graph) : graph(&_graph) {
|
klao@1909
|
383 |
graph->first(static_cast<UEdge&>(*this));
|
deba@1820
|
384 |
}
|
deba@1820
|
385 |
|
klao@1909
|
386 |
UEdgeIt(const Graph& _graph, const UEdge& edge)
|
klao@1909
|
387 |
: UEdge(edge), graph(&_graph) { }
|
deba@1820
|
388 |
|
klao@1909
|
389 |
UEdgeIt& operator++() {
|
deba@1820
|
390 |
graph->next(*this);
|
deba@1820
|
391 |
return *this;
|
deba@1820
|
392 |
}
|
deba@1820
|
393 |
};
|
deba@1820
|
394 |
|
deba@1820
|
395 |
class OutEdgeIt : public Edge {
|
deba@1910
|
396 |
friend class IterableBpUGraphExtender;
|
deba@1820
|
397 |
const Graph* graph;
|
deba@1820
|
398 |
public:
|
deba@1820
|
399 |
|
deba@1820
|
400 |
OutEdgeIt() { }
|
deba@1820
|
401 |
|
deba@1820
|
402 |
OutEdgeIt(Invalid i) : Edge(i) { }
|
deba@1820
|
403 |
|
deba@1820
|
404 |
OutEdgeIt(const Graph& _graph, const Node& node)
|
deba@1820
|
405 |
: graph(&_graph) {
|
deba@1820
|
406 |
graph->firstOut(*this, node);
|
deba@1820
|
407 |
}
|
deba@1820
|
408 |
|
deba@1820
|
409 |
OutEdgeIt(const Graph& _graph, const Edge& edge)
|
deba@1820
|
410 |
: Edge(edge), graph(&_graph) {}
|
deba@1820
|
411 |
|
deba@1820
|
412 |
OutEdgeIt& operator++() {
|
deba@1820
|
413 |
graph->nextOut(*this);
|
deba@1820
|
414 |
return *this;
|
deba@1820
|
415 |
}
|
deba@1820
|
416 |
|
deba@1820
|
417 |
};
|
deba@1820
|
418 |
|
deba@1820
|
419 |
|
deba@1820
|
420 |
class InEdgeIt : public Edge {
|
deba@1910
|
421 |
friend class IterableBpUGraphExtender;
|
deba@1820
|
422 |
const Graph* graph;
|
deba@1820
|
423 |
public:
|
deba@1820
|
424 |
|
deba@1820
|
425 |
InEdgeIt() { }
|
deba@1820
|
426 |
|
deba@1820
|
427 |
InEdgeIt(Invalid i) : Edge(i) { }
|
deba@1820
|
428 |
|
deba@1820
|
429 |
InEdgeIt(const Graph& _graph, const Node& node)
|
deba@1820
|
430 |
: graph(&_graph) {
|
deba@1820
|
431 |
graph->firstIn(*this, node);
|
deba@1820
|
432 |
}
|
deba@1820
|
433 |
|
deba@1820
|
434 |
InEdgeIt(const Graph& _graph, const Edge& edge) :
|
deba@1820
|
435 |
Edge(edge), graph(&_graph) {}
|
deba@1820
|
436 |
|
deba@1820
|
437 |
InEdgeIt& operator++() {
|
deba@1820
|
438 |
graph->nextIn(*this);
|
deba@1820
|
439 |
return *this;
|
deba@1820
|
440 |
}
|
deba@1820
|
441 |
|
deba@1820
|
442 |
};
|
deba@1820
|
443 |
|
deba@1820
|
444 |
/// \brief Base node of the iterator
|
deba@1820
|
445 |
///
|
deba@1820
|
446 |
/// Returns the base node (ie. the source in this case) of the iterator
|
deba@1820
|
447 |
Node baseNode(const OutEdgeIt &e) const {
|
deba@1820
|
448 |
return Parent::source((Edge&)e);
|
deba@1820
|
449 |
}
|
deba@1820
|
450 |
/// \brief Running node of the iterator
|
deba@1820
|
451 |
///
|
deba@1820
|
452 |
/// Returns the running node (ie. the target in this case) of the
|
deba@1820
|
453 |
/// iterator
|
deba@1820
|
454 |
Node runningNode(const OutEdgeIt &e) const {
|
deba@1820
|
455 |
return Parent::target((Edge&)e);
|
deba@1820
|
456 |
}
|
deba@1820
|
457 |
|
deba@1820
|
458 |
/// \brief Base node of the iterator
|
deba@1820
|
459 |
///
|
deba@1820
|
460 |
/// Returns the base node (ie. the target in this case) of the iterator
|
deba@1820
|
461 |
Node baseNode(const InEdgeIt &e) const {
|
deba@1820
|
462 |
return Parent::target((Edge&)e);
|
deba@1820
|
463 |
}
|
deba@1820
|
464 |
/// \brief Running node of the iterator
|
deba@1820
|
465 |
///
|
deba@1820
|
466 |
/// Returns the running node (ie. the source in this case) of the
|
deba@1820
|
467 |
/// iterator
|
deba@1820
|
468 |
Node runningNode(const InEdgeIt &e) const {
|
deba@1820
|
469 |
return Parent::source((Edge&)e);
|
deba@1820
|
470 |
}
|
deba@1820
|
471 |
|
klao@1909
|
472 |
class IncEdgeIt : public Parent::UEdge {
|
deba@1910
|
473 |
friend class IterableBpUGraphExtender;
|
deba@1820
|
474 |
const Graph* graph;
|
deba@1820
|
475 |
bool direction;
|
deba@1820
|
476 |
public:
|
deba@1820
|
477 |
|
deba@1820
|
478 |
IncEdgeIt() { }
|
deba@1820
|
479 |
|
klao@1909
|
480 |
IncEdgeIt(Invalid i) : UEdge(i), direction(true) { }
|
deba@1820
|
481 |
|
deba@1820
|
482 |
IncEdgeIt(const Graph& _graph, const Node &n) : graph(&_graph) {
|
deba@1820
|
483 |
graph->firstInc(*this, direction, n);
|
deba@1820
|
484 |
}
|
deba@1820
|
485 |
|
klao@1909
|
486 |
IncEdgeIt(const Graph& _graph, const UEdge &ue, const Node &n)
|
klao@1909
|
487 |
: graph(&_graph), UEdge(ue) {
|
deba@1820
|
488 |
direction = (graph->source(ue) == n);
|
deba@1820
|
489 |
}
|
deba@1820
|
490 |
|
deba@1820
|
491 |
IncEdgeIt& operator++() {
|
deba@1820
|
492 |
graph->nextInc(*this, direction);
|
deba@1820
|
493 |
return *this;
|
deba@1820
|
494 |
}
|
deba@1820
|
495 |
};
|
deba@1820
|
496 |
|
deba@1820
|
497 |
|
deba@1820
|
498 |
/// Base node of the iterator
|
deba@1820
|
499 |
///
|
deba@1820
|
500 |
/// Returns the base node of the iterator
|
deba@1820
|
501 |
Node baseNode(const IncEdgeIt &e) const {
|
deba@1820
|
502 |
return e.direction ? source(e) : target(e);
|
deba@1820
|
503 |
}
|
deba@1820
|
504 |
|
deba@1820
|
505 |
/// Running node of the iterator
|
deba@1820
|
506 |
///
|
deba@1820
|
507 |
/// Returns the running node of the iterator
|
deba@1820
|
508 |
Node runningNode(const IncEdgeIt &e) const {
|
deba@1820
|
509 |
return e.direction ? target(e) : source(e);
|
deba@1820
|
510 |
}
|
deba@1820
|
511 |
|
deba@1820
|
512 |
};
|
deba@1820
|
513 |
|
klao@946
|
514 |
}
|
klao@946
|
515 |
|
klao@946
|
516 |
#endif // LEMON_GRAPH_EXTENDER_H
|