blob: ce0c08777749b715cc38db44610380199cdc896a [file] [log] [blame]
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
library analyzer.src.string_source;
import 'package:analyzer/src/generated/engine.dart' show TimestampedData;
import 'package:analyzer/src/generated/source.dart';
/**
* An implementation of [Source] that's based on an in-memory Dart string.
*/
class StringSource extends Source {
/**
* The content of the source.
*/
final String _contents;
@override
final String fullName;
@override
final Uri uri;
@override
final int modificationStamp;
StringSource(this._contents, String fullName)
: this.fullName = fullName,
uri = fullName == null ? null : new Uri.file(fullName),
modificationStamp = new DateTime.now().millisecondsSinceEpoch;
@override
TimestampedData<String> get contents =>
new TimestampedData(modificationStamp, _contents);
@override
String get encoding => uri.toString();
@override
int get hashCode => _contents.hashCode ^ fullName.hashCode;
@override
bool get isInSystemLibrary => false;
@override
String get shortName => fullName;
@override
UriKind get uriKind => UriKind.FILE_URI;
/**
* Return `true` if the given [object] is a string source that is equal to
* this source.
*/
@override
bool operator ==(Object object) {
return object is StringSource &&
object._contents == _contents &&
object.fullName == fullName;
}
@override
bool exists() => true;
@override
String toString() => 'StringSource ($fullName)';
}