static BotCommand parseCommand()

in github-label-notifier/symbolizer/lib/bot.dart [52:136]
75 lines of code
18 McCabe index (conditional complexity)

  static BotCommand parseCommand(int issueNumber, String text) {
    final command = text.split('\n').first;
    if (!isCommand(command)) {
      return null;
    }

    final issueNumberStr = issueNumber.toString();

    var symbolizeThis = false;
    final worklist = <String>{};
    String engineHash;
    String flutterVersion;
    String os;
    String arch;
    String mode;
    String format;
    var force = false;

    // Command is just a sequence of keywords which specify which comments
    // to symbolize and which symbols to use.
    for (var keyword in command.split(' ').skip(1)) {
      switch (keyword) {
        case 'this':
          symbolizeThis = true;
          break;
        case 'x86':
        case 'arm':
        case 'arm64':
        case 'x64':
          arch = keyword;
          break;
        case 'debug':
        case 'profile':
        case 'release':
          mode = keyword;
          break;
        case 'internal':
          format = 'internal';
          break;
        case 'force':
          force = true;
          break;
        case 'ios':
          os = 'ios';
          break;
        default:
          // Check if this keyword is a link to an comment on this issue.
          var m = _commentLinkPattern.firstMatch(keyword);
          if (m != null) {
            if (m.namedGroup('issueNumber') == issueNumberStr) {
              worklist.add(m.namedGroup('ref'));
            }
            break;
          }

          // Check if this keyword is an engine hash.
          m = _engineHashPattern.firstMatch(keyword);
          if (m != null) {
            engineHash = m.namedGroup('sha');
            break;
          }

          m = _flutterHashOrVersionPattern.firstMatch(keyword);
          if (m != null) {
            flutterVersion = m.namedGroup('version');
            break;
          }
          break;
      }
    }

    return BotCommand(
      symbolizeThis: symbolizeThis,
      worklist: worklist,
      overrides: SymbolizationOverrides(
        arch: arch,
        engineHash: engineHash,
        flutterVersion: flutterVersion,
        mode: mode,
        os: os,
        force: force,
        format: format,
      ),
    );
  }