Method initialize_impl

libraries/appbase/application.cpp:218–366

}

bool application::initialize_impl(int argc, char** argv, vector<abstract_plugin*> autostart_plugins) {
   set_program_options();

   bpo::variables_map& options = my->_options;
   try {
      bpo::parsed_options parsed = bpo::command_line_parser(argc, argv).options(my->_app_options).run();
      bpo::store(parsed, options);
      vector<string> positionals = bpo::collect_unrecognized(parsed.options, bpo::include_positional);
      if(!positionals.empty())
         BOOST_THROW_EXCEPTION(std::runtime_error("Unknown option '" + positionals[0] + "' passed as command line argument"));
   } catch( const boost::program_options::unknown_option& e ) {
      BOOST_THROW_EXCEPTION(std::runtime_error("Unknown option '" + e.get_option_name() + "' passed as command line argument"));
   }

   if( options.count( "help" ) ) {
      cout << my->_app_options << std::endl;
      return false;
   }

   if( options.count( "version" ) ) {
      cout << version_string() << std::endl;
      return false;
   }

   if( options.count( "full-version" ) ) {
      cout << full_version_string() << std::endl;
      return false;
   }

   if( options.count( "print-default-config" ) ) {
      print_default_config(cout);
      return false;
   }

   if( options.count( "data-dir" ) ) {
      // Workaround for 10+ year old Boost defect
      // See https://svn.boost.org/trac10/ticket/8535
      // Should be .as<bfs::path>() but paths with escaped spaces break bpo e.g.
      // std::exception::what: the argument ('/path/with/white\ space') for option '--data-dir' is invalid
      auto workaround = options["data-dir"].as<std::string>();
      bfs::path data_dir = workaround;
      if( data_dir.is_relative() )
         data_dir = bfs::current_path() / data_dir;
      my->_data_dir = data_dir;
   }

   if( options.count( "config-dir" ) ) {
      auto workaround = options["config-dir"].as<std::string>();
      bfs::path config_dir = workaround;
      if( config_dir.is_relative() )
         config_dir = bfs::current_path() / config_dir;
      my->_config_dir = config_dir;
   }

   auto workaround = options["logconf"].as<std::string>();
   bfs::path logconf = workaround;
   if( logconf.is_relative() )
      logconf = my->_config_dir / logconf;