1 //=======================================================================
2 // Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee,
3 //
4 // Distributed under the Boost Software License, Version 1.0. (See
5 // accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
7 //=======================================================================
8 
9 /*
10    IMPORTANT!!!
11    ~~~~~~~~~~~~
12    This example uses interfaces that have been deprecated and removed from
13    Boost.Grpah. Someone needs to update it, as it does NOT compile.
14 */
15 
16 #include <boost/graph/graphviz.hpp>
17 #include <boost/graph/depth_first_search.hpp>
18 
19 char name[] = "abcdefghij";
20 
21 struct parenthesis_visitor : public boost::default_dfs_visitor
22 {
23     template < class Vertex, class Graph >
start_vertexparenthesis_visitor24     void start_vertex(Vertex v, const Graph&)
25     {
26         std::cout << ' ';
27     }
28     template < class Vertex, class Graph >
discover_vertexparenthesis_visitor29     void discover_vertex(Vertex v, const Graph&)
30     {
31         std::cout << "(" << name[v] << ' ';
32     }
33     template < class Vertex, class Graph >
finish_vertexparenthesis_visitor34     void finish_vertex(Vertex v, const Graph&)
35     {
36         std::cout << ' ' << name[v] << ")";
37     }
38 };
39 
main()40 int main()
41 {
42     using namespace boost;
43     GraphvizGraph g;
44     read_graphviz("figs/dfs-example.dot", g);
45     graph_traits< GraphvizGraph >::edge_iterator e, e_end;
46     for (boost::tie(e, e_end) = edges(g); e != e_end; ++e)
47         std::cout << '(' << name[source(*e, g)] << ' ' << name[target(*e, g)]
48                   << ')' << std::endl;
49     parenthesis_visitor paren_vis;
50     depth_first_search(g, visitor(paren_vis));
51     std::cout << std::endl;
52     return 0;
53 }
54