111 lines
3.7 KiB
C++
111 lines
3.7 KiB
C++
//=======================================================================
|
|
// 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/config.hpp>
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <string>
|
|
#include <boost/graph/adjacency_list.hpp>
|
|
|
|
using namespace boost;
|
|
|
|
template < typename Graph, typename VertexNamePropertyMap > void
|
|
read_graph_file(std::istream & graph_in, std::istream & name_in,
|
|
Graph & g, VertexNamePropertyMap name_map)
|
|
{
|
|
typedef typename graph_traits < Graph >::vertices_size_type size_type;
|
|
size_type n_vertices;
|
|
typename graph_traits < Graph >::vertex_descriptor u;
|
|
typename property_traits < VertexNamePropertyMap >::value_type name;
|
|
|
|
graph_in >> n_vertices; // read in number of vertices
|
|
for (size_type i = 0; i < n_vertices; ++i) { // Add n vertices to the graph
|
|
u = add_vertex(g);
|
|
name_in >> name;
|
|
put(name_map, u, name); // ** Attach name property to vertex u **
|
|
}
|
|
size_type src, targ;
|
|
while (graph_in >> src) // Read in edges
|
|
if (graph_in >> targ)
|
|
add_edge(src, targ, g); // add an edge to the graph
|
|
else
|
|
break;
|
|
}
|
|
|
|
template < typename Graph, typename VertexNameMap > void
|
|
output_in_edges(std::ostream & out, const Graph & g,
|
|
typename graph_traits < Graph >::vertex_descriptor v,
|
|
VertexNameMap name_map)
|
|
{
|
|
typename graph_traits < Graph >::in_edge_iterator ei, ei_end;
|
|
for (boost::tie(ei, ei_end) = in_edges(v, g); ei != ei_end; ++ei)
|
|
out << get(name_map, source(*ei, g)) << " -> "
|
|
<< get(name_map, target(*ei, g)) << std::endl;
|
|
}
|
|
|
|
template < typename NameMap > class name_equals_t {
|
|
public:
|
|
name_equals_t(const std::string & n, NameMap map)
|
|
: m_name(n), m_name_map(map)
|
|
{
|
|
}
|
|
template < typename Vertex > bool operator()(Vertex u) const
|
|
{
|
|
return get(m_name_map, u) == m_name;
|
|
}
|
|
private:
|
|
std::string m_name;
|
|
NameMap m_name_map;
|
|
};
|
|
|
|
// object generator function
|
|
template < typename NameMap >
|
|
inline name_equals_t < NameMap >
|
|
name_equals(const std::string & str, NameMap name)
|
|
{
|
|
return name_equals_t < NameMap > (str, name);
|
|
}
|
|
|
|
|
|
int
|
|
main(int argc, const char** argv)
|
|
{
|
|
typedef adjacency_list < listS, // Store out-edges of each vertex in a std::list
|
|
vecS, // Store vertex set in a std::vector
|
|
bidirectionalS, // The graph is directed, with both out-edges and in-edges
|
|
property < vertex_name_t, std::string > // Add a vertex property
|
|
>graph_type;
|
|
|
|
graph_type g; // use default constructor to create empty graph
|
|
const char* dep_file_name = argc >= 2 ? argv[1] : "makefile-dependencies.dat";
|
|
const char* target_file_name = argc >= 3 ? argv[2] : "makefile-target-names.dat";
|
|
std::ifstream file_in(dep_file_name), name_in(target_file_name);
|
|
if (!file_in) {
|
|
std::cerr << "** Error: could not open file " << dep_file_name
|
|
<< std::endl;
|
|
return -1;
|
|
}
|
|
if (!name_in) {
|
|
std::cerr << "** Error: could not open file " << target_file_name
|
|
<< std::endl;
|
|
return -1;
|
|
}
|
|
|
|
// Obtain internal property map from the graph
|
|
property_map < graph_type, vertex_name_t >::type name_map =
|
|
get(vertex_name, g);
|
|
read_graph_file(file_in, name_in, g, name_map);
|
|
|
|
graph_traits < graph_type >::vertex_iterator i, end;
|
|
boost::tie(i, end) = vertices(g);
|
|
i = std::find_if(i, end, name_equals("libzigzag.a", get(vertex_name, g)));
|
|
output_in_edges(std::cout, g, *i, get(vertex_name, g));
|
|
assert(num_vertices(g) == 15);
|
|
assert(num_edges(g) == 19);
|
|
return 0;
|
|
}
|