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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 part of dart.convert; | 5 part of dart.convert; |
6 | 6 |
7 /** | 7 /** |
8 * A [Converter] converts data from one representation into another. | 8 * A [Converter] converts data from one representation into another. |
9 * | 9 * |
10 * *Converters are still experimental and are subject to change without notice.* | 10 * *Converters are still experimental and are subject to change without notice.* |
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31 /** | 31 /** |
32 * Starts a chunked conversion. | 32 * Starts a chunked conversion. |
33 */ | 33 */ |
34 ChunkedConversionSink startChunkedConversion(ChunkedConversionSink sink) { | 34 ChunkedConversionSink startChunkedConversion(ChunkedConversionSink sink) { |
35 throw new UnsupportedError( | 35 throw new UnsupportedError( |
36 "This converter does not support chunked conversions: $this"); | 36 "This converter does not support chunked conversions: $this"); |
37 } | 37 } |
38 | 38 |
39 // Subclasses are encouraged to provide better types. | 39 // Subclasses are encouraged to provide better types. |
40 Stream bind(Stream source) { | 40 Stream bind(Stream source) { |
41 return new _ConverterTransformStream(source, this); | 41 return new Stream.eventTransformed( |
| 42 source, |
| 43 (EventSink sink) => new _ConverterStreamEventSink(this, sink)); |
42 } | 44 } |
43 } | 45 } |
44 | 46 |
45 /** | 47 /** |
46 * Fuses two converters. | 48 * Fuses two converters. |
47 * | 49 * |
48 * For a non-chunked conversion converts the input in sequence. | 50 * For a non-chunked conversion converts the input in sequence. |
49 */ | 51 */ |
50 class _FusedConverter<S, M, T> extends Converter<S, T> { | 52 class _FusedConverter<S, M, T> extends Converter<S, T> { |
51 final Converter _first; | 53 final Converter _first; |
52 final Converter _second; | 54 final Converter _second; |
53 | 55 |
54 _FusedConverter(this._first, this._second); | 56 _FusedConverter(this._first, this._second); |
55 | 57 |
56 T convert(S input) => _second.convert(_first.convert(input)); | 58 T convert(S input) => _second.convert(_first.convert(input)); |
57 | 59 |
58 ChunkedConversionSink startChunkedConversion(ChunkedConversionSink sink) { | 60 ChunkedConversionSink startChunkedConversion(ChunkedConversionSink sink) { |
59 return _first.startChunkedConversion(_second.startChunkedConversion(sink)); | 61 return _first.startChunkedConversion(_second.startChunkedConversion(sink)); |
60 } | 62 } |
61 } | 63 } |
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