CommandLineInterpreter.hpp

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#ifndef APPFWK_SRC_COMMANDLINEINTERPRETER_HPP_
#define APPFWK_SRC_COMMANDLINEINTERPRETER_HPP_
 
#include "boost/program_options.hpp"
 
#include <iostream>
#include <string>
#include <vector>
 
namespace bpo = boost::program_options;
 
namespace dunedaq::appfwk {
struct CommandLineInterpreter
{
public:
  static CommandLineInterpreter parse(int argc, char** argv)
  {
    CommandLineInterpreter output;
 
    std::ostringstream descstr;
    descstr << *argv
            << " known arguments (additional arguments will be stored and "
               "passed on)";
    bpo::options_description desc(descstr.str());
    desc.add_options()("name,n", bpo::value<std::string>()->required(), "Application name")(
      "sessionName,s", bpo::value<std::string>()->required(), "Session name")(
      "configurationId,k", bpo::value<std::string>()->required(), "Configuration id")(
      "commandFacility,c", bpo::value<std::string>()->required(), "CommandFacility URI")(
      "configurationService,d", bpo::value<std::string>()->required(), "Configuration Service URI")(
      "help,h", "produce help message");
 
    bpo::variables_map vm;
    auto parsed = bpo::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
 
    output.other_options = bpo::collect_unrecognized(parsed.options, bpo::include_positional);
    bpo::store(parsed, vm);
 
    if (vm.count("help")) {
      std::cout << desc << std::endl; // NOLINT
      output.help_requested = true;
      return output;
    }
 
    bpo::notify(vm);
 
    output.app_name = vm["name"].as<std::string>();
    output.session_name = vm["sessionName"].as<std::string>();
    output.configuration_id = vm["configurationId"].as<std::string>();
    output.command_facility_plugin_name = vm["commandFacility"].as<std::string>();
    output.conf_service_plugin_name = vm["configurationService"].as<std::string>();
    return output;
  }
 
  bool help_requested{ false };
 
  std::string app_name{ "" };
  std::string session_name{ "" };
  std::string configuration_id{ "" };
  std::string command_facility_plugin_name{ "" };
  std::string conf_service_plugin_name{ "" };
 
  std::vector<std::string> other_options{}; 
};
} // namespace dunedaq::appfwk
 
#endif // APPFWK_SRC_COMMANDLINEINTERPRETER_HPP_