1 //=======================================================================
2 // Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
3 // Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
4 //
5 // Distributed under the Boost Software License, Version 1.0. (See
6 // accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
8 //=======================================================================
9 #include <boost/config.hpp>
10 #include <iostream>
11 #include <vector>
12 #include <utility>
13 #include <string>
14 
15 #include <boost/graph/adjacency_list.hpp>
16 #include <boost/graph/graph_utility.hpp>
17 #include <boost/property_map/property_map.hpp>
18 
19 /*
20   Sample Output
21 
22   graph name: foo
23   0  --joe--> 1
24   1  --joe--> 0   --curly--> 2   --dick--> 3
25   2  --curly--> 1   --tom--> 4
26   3  --dick--> 1   --harry--> 4
27   4  --tom--> 2   --harry--> 3
28   (0,1) (1,2) (1,3) (2,4) (3,4)
29 
30   removing edge (1,3):
31   0  --joe--> 1
32   1  --joe--> 0   --curly--> 2
33   2  --curly--> 1   --tom--> 4
34   3  --harry--> 4
35   4  --tom--> 2   --harry--> 3
36   (0,1) (1,2) (2,4) (3,4)
37 
38  */
39 
40 struct EdgeProperties
41 {
EdgePropertiesEdgeProperties42     EdgeProperties(const std::string& n) : name(n) {}
43     std::string name;
44 };
45 
46 struct VertexProperties
47 {
48     std::size_t index;
49     boost::default_color_type color;
50 };
51 
main(int,char * [])52 int main(int, char*[])
53 {
54     using namespace boost;
55     using namespace std;
56 
57     typedef adjacency_list< vecS, listS, undirectedS, VertexProperties,
58         EdgeProperties >
59         Graph;
60 
61     const int V = 5;
62     Graph g(V);
63 
64     property_map< Graph, std::size_t VertexProperties::* >::type id
65         = get(&VertexProperties::index, g);
66     property_map< Graph, std::string EdgeProperties::* >::type name
67         = get(&EdgeProperties::name, g);
68 
69     boost::graph_traits< Graph >::vertex_iterator vi, viend;
70     int vnum = 0;
71 
72     for (boost::tie(vi, viend) = vertices(g); vi != viend; ++vi)
73         id[*vi] = vnum++;
74 
75     add_edge(vertex(0, g), vertex(1, g), EdgeProperties("joe"), g);
76     add_edge(vertex(1, g), vertex(2, g), EdgeProperties("curly"), g);
77     add_edge(vertex(1, g), vertex(3, g), EdgeProperties("dick"), g);
78     add_edge(vertex(2, g), vertex(4, g), EdgeProperties("tom"), g);
79     add_edge(vertex(3, g), vertex(4, g), EdgeProperties("harry"), g);
80 
81     graph_traits< Graph >::vertex_iterator i, end;
82     graph_traits< Graph >::out_edge_iterator ei, edge_end;
83     for (boost::tie(i, end) = vertices(g); i != end; ++i)
84     {
85         cout << id[*i] << " ";
86         for (boost::tie(ei, edge_end) = out_edges(*i, g); ei != edge_end; ++ei)
87             cout << " --" << name[*ei] << "--> " << id[target(*ei, g)] << "  ";
88         cout << endl;
89     }
90     print_edges(g, id);
91 
92     cout << endl << "removing edge (1,3): " << endl;
93     remove_edge(vertex(1, g), vertex(3, g), g);
94 
95     ei = out_edges(vertex(1, g), g).first;
96     cout << "removing edge (" << id[source(*ei, g)] << "," << id[target(*ei, g)]
97          << ")" << endl;
98     remove_edge(ei, g);
99 
100     for (boost::tie(i, end) = vertices(g); i != end; ++i)
101     {
102         cout << id[*i] << " ";
103         for (boost::tie(ei, edge_end) = out_edges(*i, g); ei != edge_end; ++ei)
104             cout << " --" << name[*ei] << "--> " << id[target(*ei, g)] << "  ";
105         cout << endl;
106     }
107 
108     print_edges(g, id);
109 
110     return 0;
111 }
112