| 48 | }; |
| 49 | |
| 50 | void readCliOptions(const int argc, char** argv, CmdlineOptions& options) { |
| 51 | for (int i = 1; i < argc; i++) { |
| 52 | Option option = Option::None; |
| 53 | if (argv[i][0] == '-') { |
| 54 | // This argument is an option |
| 55 | switch (argv[i][1]) { |
| 56 | case '-': { |
| 57 | // Full option name |
| 58 | std::string op_str = argv[i]; |
| 59 | if (op_str == "--verbose") option = Option::Verbose; |
| 60 | if (op_str == "--config") option = Option::Config; |
| 61 | if (op_str == "--help") option = Option::Help; |
| 62 | if (op_str == "--version") option = Option::Version; |
| 63 | break; |
| 64 | } |
| 65 | case 'v': // Verbosity |
| 66 | option = Option::Verbose; |
| 67 | break; |
| 68 | case 'V': //Version |
| 69 | option = Option::Version; |
| 70 | break; |
| 71 | case 'c': // Config file path |
| 72 | option = Option::Config; |
| 73 | break; |
| 74 | case 'h': // Help |
| 75 | option = Option::Help; |
| 76 | break; |
| 77 | default: |
| 78 | logPrintf(WARN, "%s is not a valid option, ignoring.", |
| 79 | argv[i]); |
| 80 | } |
| 81 | |
| 82 | switch (option) { |
| 83 | case Option::Verbose: { |
| 84 | if (++i >= argc) { |
| 85 | global_loglevel = DEBUG; // Assume debug verbosity |
| 86 | break; |
| 87 | } |
| 88 | std::string loglevel = argv[i]; |
| 89 | try { |
| 90 | global_loglevel = toLogLevel(argv[i]); |
| 91 | } catch (std::invalid_argument& e) { |
| 92 | if (argv[i][0] == '-') { |
| 93 | global_loglevel = DEBUG; // Assume debug verbosity |
| 94 | i--; // Go back to last argument to continue loop. |
| 95 | } else { |
| 96 | logPrintf(WARN, e.what()); |
| 97 | printf("Valid verbosity levels are: Debug, Info, " |
| 98 | "Warn/Warning, or Error.\n"); |
| 99 | exit(EXIT_FAILURE); |
| 100 | } |
| 101 | } |
| 102 | break; |
| 103 | } |
| 104 | case Option::Config: { |
| 105 | if (++i >= argc) { |
| 106 | logPrintf(ERROR, "Config file is not specified."); |
| 107 | exit(EXIT_FAILURE); |