FB2Parser constructor

FB2Parser(String path)

Implementation

FB2Parser(this.path) {
  // match the file extension
  RegExpMatch? match = RegExp(r'\.fb2$').firstMatch(path);
  if (match == null) {
    throw Exception('The file extension is not .fb2');
  }
  file = File(path);
  if (!file.existsSync()) {
    throw Exception('The file does not exist');
  }
}