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//=======================================================================
// Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee,
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//=======================================================================
#include <boost/graph/graphviz.hpp>
#include <boost/graph/depth_first_search.hpp>
char name[] = "abcdefghij";
struct parenthesis_visitor : public boost::default_dfs_visitor
{
template <class Vertex, class Graph> void
start_vertex(Vertex v, const Graph &)
{
std::cout << ' ';
}
template <class Vertex, class Graph> void
discover_vertex(Vertex v, const Graph &)
{
std::cout << "(" << name[v] << ' ';
}
template <class Vertex, class Graph> void
finish_vertex(Vertex v, const Graph &)
{
std::cout << ' ' << name[v] << ")";
}
};
int
main()
{
using namespace boost;
GraphvizGraph g;
read_graphviz("figs/dfs-example.dot", g);
graph_traits < GraphvizGraph >::edge_iterator e, e_end;
for (tie(e, e_end) = edges(g); e != e_end; ++e)
std::cout << '(' << name[source(*e, g)] << ' '
<< name[target(*e, g)] << ')' << std::endl;
parenthesis_visitor
paren_vis;
depth_first_search(g, visitor(paren_vis));
std::cout << std::endl;
return 0;
}
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