parseOptions function

DartdocProgramOptionContext? parseOptions(PackageMetaProvider packageMetaProvider, List<String> arguments, { OptionGenerator? additionalOptions, })

Implementation

DartdocProgramOptionContext? parseOptions(
  PackageMetaProvider packageMetaProvider,
  List<String> arguments, {
  // Additional options are given in google3.
  OptionGenerator? additionalOptions,
}) {
  var optionRoot = DartdocOptionRoot.fromOptionGenerators(
      'dartdoc',
      [
        createDartdocOptions,
        createDartdocProgramOptions,
        createLoggingOptions,
        createGeneratorOptions,
        if (additionalOptions != null) additionalOptions,
      ],
      packageMetaProvider);

  try {
    optionRoot.parseArguments(arguments);
  } on FormatException catch (e) {
    stderr.writeln(' fatal error: ${e.message}');
    stderr.writeln('');
    _printUsage(optionRoot.argParser);
    // Do not use `exit()` as this bypasses `--pause-isolates-on-exit`.
    exitCode = 64;
    return null;
  }
  if (optionRoot['help'].valueAtCurrent() as bool) {
    _printHelp(optionRoot.argParser);
    exitCode = 0;
    return null;
  }
  if (optionRoot['version'].valueAtCurrent() as bool) {
    _printVersion(optionRoot.argParser);
    exitCode = 0;
    return null;
  }

  DartdocProgramOptionContext config;
  try {
    config = DartdocProgramOptionContext.fromDefaultContextLocation(
        optionRoot, packageMetaProvider.resourceProvider);
  } on DartdocOptionError catch (e) {
    stderr.writeln(' fatal error: ${e.message}');
    stderr.writeln('');
    _printUsage(optionRoot.argParser);
    exitCode = 64;
    return null;
  }
  startLogging(
    isJson: config.json,
    isQuiet: config.quiet,
    showProgress: config.showProgress,
  );
  return config;
}