DfsVisitor< GR > Struct Template Reference

Detailed Description

template<typename GR>
struct lemon::DfsVisitor< GR >

This class defines the interface of the DfsVisit events, and it could be the base of a real visitor class.

#include <lemon/dfs.h>

Public Member Functions
void	start (const Node &node)
	Called for the source node of the DFS. More...
void	stop (const Node &node)
	Called when the source node is leaved. More...
void	reach (const Node &node)
	Called when a node is reached first time. More...
void	discover (const Arc &arc)
	Called when an arc reaches a new node. More...
void	examine (const Arc &arc)
	Called when an arc is examined but its target node is already discovered. More...
void	leave (const Node &node)
	Called when the DFS steps back from a node. More...
void	backtrack (const Arc &arc)
	Called when the DFS steps back on an arc. More...

Member Function Documentation

void start ( const Node &  node )

inline

This function is called for the source node of the DFS.

void stop ( const Node &  node )

inline

This function is called when the source node is leaved.

void reach ( const Node &  node )

inline

This function is called when a node is reached first time.

void discover ( const Arc &  arc )

inline

This function is called when the DFS finds an arc whose target node is not reached yet.

void examine ( const Arc &  arc )

inline

This function is called when an arc is examined but its target node is already discovered.

void leave ( const Node &  node )

inline

This function is called when the DFS steps back from a node.

void backtrack ( const Arc &  arc )

inline

This function is called when the DFS steps back on an arc.