lib/src/error_listener.dart

// Copyright (c) 2021, the Dart project authors.
// Copyright (c) 2006, Kirill Simonov.
//
// Use of this source code is governed by an MIT-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT.

import 'yaml_exception.dart';

/// A listener that is notified of [YamlError]s during scanning/parsing.
abstract class ErrorListener {
  /// This method is invoked when an [error] has been found in the YAML.
  void onError(YamlException error);
}

/// An [ErrorListener] that collects all errors into [errors].
class ErrorCollector extends ErrorListener {
  final List<YamlException> errors = [];

  @override
  void onError(YamlException error) => errors.add(error);
}