platform/common/range_header/lib/src/range_header_impl.dart

20 lines
566 B
Dart

import 'dart:collection';
import 'range_header.dart';
import 'range_header_item.dart';
/// Represents the contents of a parsed `Range` header.
class RangeHeaderImpl implements RangeHeader {
UnmodifiableListView<RangeHeaderItem>? _cached;
final List<RangeHeaderItem> _items = [];
RangeHeaderImpl(this.rangeUnit, [List<RangeHeaderItem> items = const []]) {
_items.addAll(items);
}
@override
UnmodifiableListView<RangeHeaderItem> get items =>
_cached ??= UnmodifiableListView<RangeHeaderItem>(_items);
@override
final String? rangeUnit;
}