opt_parser.h File Reference

#include <cxxopts.hpp>

Include dependency graph for opt_parser.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
cxxopts::ParseResult	parse (int argc, char *argv[])

Function Documentation

parse()

cxxopts::ParseResult parse	(	int	argc,
		char *	argv[]
	)

Definition at line 18 of file opt_parser.cpp.

                                                 {
  try {
    cxxopts::Options options(
        argv[0], "Structure calculations for molecular simulations");
    options.positional_help("[optional args]").show_positional_help();
    options.allow_unrecognised_options().add_options()(
        "c,config", "Yaml Config",
        cxxopts::value<std::string>()->default_value("conf.yml"))
 
        ("h,help", "Print help");
    auto result = options.parse(argc, argv);
 
    if (result.count("help")) {
      std::cout << options.help({"", "Group"}) << std::endl;
      exit(0);
    }
    // No options
    if (result.arguments().size() == 0) {
      std::cout << "DO error handling" << std::endl;
    }
    return result;
  } catch (const cxxopts::OptionException &e) {
    std::cout << "error parsing options: " << e.what() << std::endl;
    exit(1);
  }
}