Boost/BGL/IO/ReadGraph

ReadGraph.cpp

// http://www.boost.org/doc/libs/1_37_0/libs/graph/doc/read_graphviz.html
#include <iostream>
#include <string>
#include <fstream>
 
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/graphviz.hpp>
 
int main(int argc, char*argv[])
{
  if(argc < 2)
  {
    std::cerr << "Required: filename.dot" << std::endl;
    return -1;
  }
  // Vertex properties
  typedef boost::property < boost::vertex_name_t, std::string,
            boost::property < boost::vertex_color_t, float > > vertex_p;
  // Edge properties
  typedef boost::property < boost::edge_weight_t, double > edge_p;
  // Graph properties
  typedef boost::property < boost::graph_name_t, std::string > graph_p;
  // adjacency_list-based type
  typedef boost::adjacency_list < boost::vecS, boost::vecS, boost::directedS,
    vertex_p, edge_p, graph_p > graph_t;
 
  // Construct an empty graph and prepare the dynamic_property_maps.
  graph_t graph(0);
  boost::dynamic_properties dp;
 
  boost::property_map<graph_t, boost::vertex_name_t>::type name =
    get(boost::vertex_name, graph);
  dp.property("node_id",name);
 
  boost::property_map<graph_t, boost::vertex_color_t>::type mass =
    get(boost::vertex_color, graph);
  dp.property("mass",mass);
 
  boost::property_map<graph_t, boost::edge_weight_t>::type weight =
    get(boost::edge_weight, graph);
  dp.property("weight",weight);
 
  // Use ref_property_map to turn a graph property into a property map
  boost::ref_property_map<graph_t*,std::string>
    gname(get_property(graph,boost::graph_name));
  dp.property("name",gname);
 
  /*
  // Sample graph as an std::istream;
  std::istringstream
    gvgraph("digraph { graph [name=\"graphname\"]  a  c e [mass = 6.66] }");
 
  bool status = boost::read_graphviz(gvgraph,graph,dp,"node_id");
  */
 
  std::string filename = argv[1];
  std::ifstream fin(filename.c_str());
 
  bool status = boost::read_graphviz(fin,graph,dp,"node_id");
 
  std::cout << "There are " << boost::num_vertices(graph) << " vertices." << std::endl;
 
  return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
Project(ReadGraph)
 
set(Boost_USE_MULTITHREADED ON)
FIND_PACKAGE(Boost 1.38 COMPONENTS program_options required)
 
INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES} ${Boost_INCLUDE_DIRS})
LINK_DIRECTORIES(${LINK_DIRECTORIES} ${Boost_LIBRARY_DIRS})
 
ADD_EXECUTABLE(ReadGraph ReadGraph.cpp)
target_link_libraries(ReadGraph boost_graph)

HelloWorld.dot

digraph G {Hello->World}