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;
  }
 
  typedef boost::property < boost::vertex_name_t, std::string> VertexProperty;
  typedef boost::adjacency_list < boost::vecS, boost::vecS, boost::directedS, VertexProperty> graph_t;
  //typedef boost::adjacency_list < boost::vecS, boost::vecS, boost::directedS, boost::no_property> graph_t;
  //typedef boost::adjacency_list < boost::vecS, boost::vecS, boost::directedS, boost::null_property_map> graph_t;
  graph_t graph;
  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);
 
  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;
}

HelloWorld.dot

digraph G {Hello->World}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
Project(ReadGraph)
 
FIND_PACKAGE(Boost)
 
LINK_DIRECTORIES(${LINK_DIRECTORIES} ${Boost_LIBRARY_DIRS})
 
ADD_EXECUTABLE(ReadGraph ReadGraph.cpp)
target_link_libraries(ReadGraph boost_graph)