Function ParseCommand

AdsTool/main.cpp:879–936

}

int ParseCommand(int argc, const char *argv[])
{
	auto args = bhf::Commandline{ usage, argc, argv };

	// drop argv[0] program name
	args.Pop<const char *>();
	const auto str = args.Pop<const char *>("Target is missing");
	if (!strcmp("--help", str)) {
		usage();
	} else if (!strcmp("--version", str)) {
		return version();
	}
	const auto split = std::strcspn(str, ":");
	const auto netId = std::string{ str, split };
	const auto port = bhf::try_stoi<uint16_t>(str + split);
	LOG_VERBOSE("NetId>" << netId << "< port>" << port << "<\n");

	bhf::ParameterList global = {
		{ "--gw" },
		{ "--localams" },
		{ "--log-level" },
		{ "--retry" },
	};
	args.Parse(global);

	const auto retries = global.Get<size_t>("--retry", 0);
	const auto localNetId = global.Get<std::string>("--localams");
	if (!localNetId.empty()) {
		bhf::ads::SetLocalAddress(make_AmsNetId(localNetId));
	}

	const auto logLevel = global.Get<size_t>("--log-level", 1);
	// highest loglevel is error==3, we allow 4 to disable all messages
	Logger::logLevel = std::min(logLevel, (size_t)4);

	const auto cmd = args.Pop<const char *>("Command is missing");
	if (!strcmp("addroute", cmd)) {
		return Run(std::bind(RunAddRoute, netId, args), retries);
	} else if (!strcmp("netid", cmd)) {
		return Run(std::bind(RunNetId, netId), retries);
	}

	const auto commands = CommandMap{
		{ "dc-diag", RunDCDiag },  { "ecat", RunECat },
		{ "file", RunFile },	   { "registry", RunRegistry },
		{ "license", RunLicense }, { "pciscan", RunPCIScan },
		{ "plc", RunPLC },	   { "raw", RunRaw },
		{ "rtime", RunRTime },	   { "startprocess", RunStartProcess },
		{ "state", RunState },	   { "var", RunVar },
	};
	const auto it = commands.find(cmd);
	if (it != commands.end()) {
		return Run(std::bind(it->second, make_AmsNetId(netId), port,
				     global.Get<std::string>("--gw"), args),
			   retries);
	}
	usage(std::string{ "Unknown command >" } + cmd + "<\n");
}