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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
Brian Wilkerson
2015/10/18 15:41:07
"2014" --> "2015"
| |
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 services.index.indexable_file; | |
6 | |
7 import 'package:analysis_server/plugin/index/index_core.dart'; | |
8 import 'package:analyzer/src/generated/engine.dart'; | |
9 | |
10 /** | |
11 * An [Element] which is used to index references to a file. | |
Brian Wilkerson
2015/10/18 15:41:07
"Element" --> "IndexableObject"
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12 */ | |
13 class IndexableFile implements IndexableObject { | |
14 /** | |
15 * The path of the file to be indexed. | |
16 */ | |
17 @override | |
18 final String path; | |
19 | |
20 /** | |
21 * Initialize a newly created indexable file to represent the given [path]. | |
22 */ | |
23 IndexableFile(this.path); | |
24 | |
25 @override | |
26 String get filePath => path; | |
27 | |
28 @override | |
29 IndexableObjectKind get kind => IndexableFileKind.INSTANCE; | |
30 | |
31 @override | |
32 int get offset { | |
Brian Wilkerson
2015/10/18 15:41:07
"=> -1"?
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33 return -1; | |
34 } | |
35 | |
36 @override | |
37 bool operator ==(Object object) => | |
38 object is IndexableFile && object.path == path; | |
39 | |
40 @override | |
41 String toString() => path; | |
42 } | |
43 | |
44 /** | |
45 * The kind of an indexable file. | |
46 */ | |
47 class IndexableFileKind implements IndexableObjectKind { | |
48 /** | |
49 * The unique instance of this class. | |
50 */ | |
51 static final IndexableFileKind INSTANCE = | |
52 new IndexableFileKind._(IndexableObjectKind.nextIndex); | |
53 | |
54 /** | |
55 * The index uniquely identifying this kind. | |
56 */ | |
57 final int index; | |
58 | |
59 /** | |
60 * Initialize a newly created kind to have the given [index]. | |
61 */ | |
62 IndexableFileKind._(this.index) { | |
63 IndexableObjectKind.register(this); | |
64 } | |
65 | |
66 @override | |
67 IndexableObject decode(AnalysisContext context, String filePath, int offset) { | |
68 return new IndexableFile(filePath); | |
69 } | |
70 | |
71 @override | |
72 int encodeHash(StringToInt stringToInt, IndexableObject indexable) { | |
73 String path = (indexable as IndexableFile).path; | |
74 return stringToInt(path); | |
75 } | |
76 } | |
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