RhodeCode

  bool g1,g2,g3;

  ap.refOption("n", "An integer input.", i, true)

    .refOption("val", "A double input.", d)

    .doubleOption("val2", "A double input.", d)

    .synonym("vals","val")

    .refOption("name", "A string input.", s)

    .refOption("f", "A switch.", b)

    .refOption("nohelp", "", sil)

    .refOption("gra","Choice A",g1)

    .refOption("grb","Choice B",g2)

    .refOption("grc","Choice C",g3)

    .optionGroup("gr","gra")

    .optionGroup("gr","grc")

    .mandatoryGroup("gr")

    .onlyOneGroup("gr")

    .other("infile","The input file.")

    .other("...");

  ap.parse();

  std::cout << "Parameters of '" << ap.commandName() << "':\n";

  if(ap.given("n")) std::cout << "  Value of -n: " << i << std::endl;

  if(ap.given("val")) std::cout << "  Value of -val: " << d << std::endl;

    p.help=help;

    p.type=FUNC;

    p.mandatory=false;

    _opts[name]=p;

    return *this;

  }

  ArgParser &ArgParser::optionGroup(const std::string &group,

				    const std::string &opt)

  {

    Opts::iterator i = _opts.find(opt);

    LEMON_ASSERT(i!=_opts.end(), "Unknown option: '"+opt+"'");

    LEMON_ASSERT(!(i->second.ingroup), 

                 "Option already in option group: '"+opt+"'");

    GroupData &g=_groups[group];

    g.opts.push_back(opt);

    i->second.ingroup=true;

    return *this;

  }

  ArgParser &ArgParser::onlyOneGroup(const std::string &group)

  {

    GroupData &g=_groups[group];

    g.only_one=true;