run method

@override Future<void> run()

Runs this command.

The return value is wrapped in a Future if necessary and returned by CommandRunner.runCommand.

Implementation

@override
Future<void> run() async {
  Utils.printGreen('$name generator');

  // source directory
  final String? dir = argResults?['directory'] as String?;
  if (dir == null) {
    throw UsageException(
      'Source directory path doesn"t exist',
      'Use correct source directory file path',
    );
  }
  final String rootFolder = Directory.current.path;
  final String absDirPath = p.normalize(p.join(rootFolder, dir));
  final Set<String> filePaths = FileUtil.getDartFilesFromFolders(
    <String>[absDirPath],
    rootFolder,
    excludedExtensions: _excludedExtensions,
  );

  // output path
  if (argResults?['output'] == null) {
    throw UsageException('Output file path doesn"t exist', 'Use correct output file path');
  }
  final String outputPath = argResults?['output'] as String;
  final String absOutputPath = p.join(Directory.current.path, outputPath);
  final File outputFile = File(absOutputPath);
  final bool outputExists = outputFile.existsSync();
  if (!outputExists) {
    outputFile.createSync();
  }

  // format
  final String format = argResults?['format'] as String;

  Utils.printCyan('$format. input dir: $absDirPath, output file: $absOutputPath');

  // generate and write to file
  final Map<String, Iterable<DartType>> genMap = await _generate(filePaths: filePaths);

  late String text;

  switch (format) {
    case _kUmlFormat:
      text = generateUmlFile(genMap);
      break;

    case _kHtmlFormat:
      text = generateHtmlFile(genMap);
      break;

    default:
      final String fmts = _kFormatList.join('; ');

      throw UsageException(
        'Unknown output format',
        'Use one of those formats: $fmts',
      );
  }

  outputFile.writeAsStringSync(text);
}