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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 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 | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library barback.test.transformer.declare_asset; | 5 library barback.test.transformer.declare_asset; |
6 | 6 |
7 import 'package:barback/barback.dart'; | 7 import 'package:barback/barback.dart'; |
8 | 8 |
9 import 'mock.dart'; | 9 import 'mock.dart'; |
10 | 10 |
11 /// A transformer that declares some outputs and emits others. | 11 /// A transformer that declares some outputs and emits others. |
12 class DeclareAssetsTransformer extends MockTransformer | 12 class DeclareAssetsTransformer extends MockTransformer |
13 implements DeclaringTransformer { | 13 implements DeclaringTransformer { |
14 /// The assets that the transformer declares that it will emit. | 14 /// The assets that the transformer declares that it will emit. |
15 final List<AssetId> declared; | 15 final List<AssetId> declared; |
16 | 16 |
17 /// The assets that the transformer actually emits. | 17 /// The assets that the transformer actually emits. |
18 /// | 18 /// |
19 /// These assets' contents will be identical to their ids. | 19 /// These assets' contents will be identical to their ids. |
20 final List<AssetId> emitted; | 20 final List<AssetId> emitted; |
21 | 21 |
22 /// If this is non-`null`, assets are only declared for this input. | 22 /// If this is non-`null`, assets are only declared for this input. |
23 final AssetId input; | 23 final AssetId input; |
24 | 24 |
25 DeclareAssetsTransformer(Iterable<String> declared, {Iterable<String> emitted, | 25 DeclareAssetsTransformer(Iterable<String> declared, |
26 String input}) | 26 {Iterable<String> emitted, String input}) |
27 : this.declared = declared.map((id) => new AssetId.parse(id)).toList(), | 27 : this.declared = declared.map((id) => new AssetId.parse(id)).toList(), |
28 this.emitted = (emitted == null ? declared : emitted) | 28 this.emitted = (emitted == null ? declared : emitted) |
29 .map((id) => new AssetId.parse(id)).toList(), | 29 .map((id) => new AssetId.parse(id)) |
| 30 .toList(), |
30 this.input = input == null ? null : new AssetId.parse(input); | 31 this.input = input == null ? null : new AssetId.parse(input); |
31 | 32 |
32 bool doIsPrimary(AssetId id) => input == null || id == input; | 33 bool doIsPrimary(AssetId id) => input == null || id == input; |
33 | 34 |
34 void doApply(Transform transform) { | 35 void doApply(Transform transform) { |
35 for (var id in emitted) { | 36 for (var id in emitted) { |
36 transform.addOutput(new Asset.fromString(id, id.toString())); | 37 transform.addOutput(new Asset.fromString(id, id.toString())); |
37 } | 38 } |
38 } | 39 } |
39 | 40 |
40 void declareOutputs(DeclaringTransform transform) { | 41 void declareOutputs(DeclaringTransform transform) { |
41 declared.forEach(transform.declareOutput); | 42 declared.forEach(transform.declareOutput); |
42 } | 43 } |
43 } | 44 } |
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