Function loadArgs

src/Engine/Options.cpp:296–335

* Loads options from a set of command line arguments, * in the format "-option value". * @param argc Number of arguments. * @param argv Array of argument strings. */

 * @param argv Array of argument strings.
 */
void loadArgs(int argc, char *argv[])
{
	for (int i = 1; i < argc; ++i)
	{
		std::string arg = argv[i];
		if ((arg[0] == '-' || arg[0] == '/') && arg.length() > 1)
		{
			std::string argname;
			if (arg[1] == '-' && arg.length() > 2)
				argname = arg.substr(2, arg.length()-1);
			else
				argname = arg.substr(1, arg.length()-1);
			std::transform(argname.begin(), argname.end(), argname.begin(), ::tolower);
			if (argc > i + 1)
			{
				if (argname == "data")
				{
					_dataFolder = CrossPlatform::endPath(argv[i+1]);
				}
				else if (argname == "user")
				{
					_userFolder = CrossPlatform::endPath(argv[i+1]);
				}
				else if (argname == "cfg")
				{
					_configFolder = CrossPlatform::endPath(argv[i+1]);
				}
				else
				{
					//save this command line option for now, we will apply it later
					_commandLine[argname] = argv[i+1];
				}
			}
			else
			{
				Log(LOG_WARNING) << "Unknown option: " << argname;
			}
		}
	}
}

/*
 * Displays command-line help when appropriate.