Function ParseOptions

samples/common/src/Utils/CmdArgsParser.cpp:34–70

* Parses all the command line options provided by the user and stores in a map. */

 * Parses all the command line options provided by the user and stores in a map.
 */
int ParseOptions(std::map<std::string, std::string>& options, std::map<std::string, std::string>& acceptedOptions,
                 char *argv[], int argc)
{
    for (int i = 1; i < argc; ++i)
    {
        std::string currentOption = std::string(argv[i]);
        auto it = acceptedOptions.find(currentOption);
        if (it != acceptedOptions.end())
        {
            if (i + 1 < argc && std::string(argv[i + 1]).rfind("--", 0) != 0)
            {
                std::string value = argv[++i];
                options.insert({it->first, value});
            }
            else if (std::string(argv[i]) == "HELP")
            {
                std::cout << "Available options" << std::endl;
                for (auto & acceptedOption : acceptedOptions)
                {
                    std::cout << acceptedOption.first << " : " << acceptedOption.second << std::endl;
                }
                return 2;
            }
            else
            {
                std::cerr << std::string(argv[i]) << " option requires one argument." << std::endl;
                return 1;
            }
        }
        else
        {
            std::cerr << "Unrecognised option: " << std::string(argv[i]) << std::endl;
            return 1;
        }
    }
    return 0;
}