File: scc.cpp

package info (click to toggle)
boost1.83 1.83.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 545,632 kB
  • sloc: cpp: 3,857,086; xml: 125,552; ansic: 34,414; python: 25,887; asm: 5,276; sh: 4,799; ada: 1,681; makefile: 1,629; perl: 1,212; pascal: 1,139; sql: 810; yacc: 478; ruby: 102; lisp: 24; csh: 6
file content (48 lines) | stat: -rw-r--r-- 1,620 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
//=======================================================================
// 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)
//=======================================================================

/*
   IMPORTANT!!!
   ~~~~~~~~~~~~
   This example uses interfaces that have been deprecated and removed from
   Boost.Grpah. Someone needs to update it, as it does NOT compile.
*/

#include <boost/config.hpp>
#include <fstream>
#include <map>
#include <string>
#include <boost/graph/strong_components.hpp>
#include <boost/graph/graphviz.hpp>

int main()
{
    using namespace boost;
    GraphvizDigraph g;
    read_graphviz("figs/scc.dot", g);

    typedef graph_traits< GraphvizDigraph >::vertex_descriptor vertex_t;
    std::map< vertex_t, int > component;

    strong_components(g, make_assoc_property_map(component));

    property_map< GraphvizDigraph, vertex_attribute_t >::type vertex_attr_map
        = get(vertex_attribute, g);
    std::string color[] = { "white", "gray", "black", "lightgray" };
    graph_traits< GraphvizDigraph >::vertex_iterator vi, vi_end;
    for (boost::tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi)
    {
        vertex_attr_map[*vi]["color"] = color[component[*vi]];
        vertex_attr_map[*vi]["style"] = "filled";
        if (vertex_attr_map[*vi]["color"] == "black")
            vertex_attr_map[*vi]["fontcolor"] = "white";
    }
    write_graphviz("figs/scc-out.dot", g);

    return EXIT_SUCCESS;
}