class Tag {
  int start = 0;
  int end = 0;
  String name = "";
  String attributes;
  Tag(this.start, this.end, this.name, this.attributes);

  String open() {
    if (attributes.isNotEmpty) {
      return "<$name $attributes>";
    }
    return "<$name>";
  }

  String close() {
    return "</$name>";
  }
}