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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | |
2 // for details. All rights reserved. Use of this source code is governed by a | |
3 // BSD-style license that can be found in the LICENSE file. | |
4 | |
5 library analyzer.string_source; | |
6 | |
7 import 'generated/source.dart'; | |
8 | |
9 /// An implementation of [Source] that's based on an in-memory Dart string. | |
10 class StringSource implements Source { | |
11 final String _contents; | |
12 final String fullName; | |
13 final int modificationStamp; | |
14 | |
15 StringSource(this._contents, this.fullName) | |
16 : modificationStamp = new DateTime.now().millisecondsSinceEpoch; | |
17 | |
18 bool operator==(Object object) { | |
19 if (object is StringSource) { | |
20 StringSource ssObject = object; | |
21 return ssObject._contents == _contents && ssObject.fullName == fullName; | |
22 } | |
23 return false; | |
24 } | |
25 | |
26 bool exists() => true; | |
27 | |
28 void getContents(Source_ContentReceiver receiver) => | |
29 receiver.accept2(_contents, modificationStamp); | |
30 | |
31 String get encoding => throw new UnsupportedError("StringSource doesn't suppor
t " | |
32 "encoding."); | |
33 | |
34 String get shortName => fullName; | |
35 | |
36 UriKind get uriKind => throw new UnsupportedError("StringSource doesn't suppor
t " | |
37 "uriKind."); | |
38 | |
39 int get hashCode => _contents.hashCode ^ fullName.hashCode; | |
40 | |
41 bool get isInSystemLibrary => false; | |
42 | |
43 Source resolveRelative(Uri relativeUri) => throw new UnsupportedError( | |
44 "StringSource doesn't support resolveRelative."); | |
45 } | |
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