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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 * It is recommended that implementations of `Converter` extend this class, | 10 * It is recommended that implementations of `Converter` extend this class, |
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43 return new Stream<T>.eventTransformed( | 43 return new Stream<T>.eventTransformed( |
44 stream, (EventSink sink) => new _ConverterStreamEventSink(this, sink)); | 44 stream, (EventSink sink) => new _ConverterStreamEventSink(this, sink)); |
45 } | 45 } |
46 } | 46 } |
47 | 47 |
48 /** | 48 /** |
49 * Fuses two converters. | 49 * Fuses two converters. |
50 * | 50 * |
51 * For a non-chunked conversion converts the input in sequence. | 51 * For a non-chunked conversion converts the input in sequence. |
52 */ | 52 */ |
53 class _FusedConverter<S, M, T> extends Converter<S, T> { | 53 class _FusedConverter<S, M, T> extends Converter<S, T> |
| 54 implements ChunkedConverter<S, T, S, T> { |
54 final Converter<S, M> _first; | 55 final Converter<S, M> _first; |
55 final Converter<M, T> _second; | 56 final Converter<M, T> _second; |
56 | 57 |
57 _FusedConverter(this._first, this._second); | 58 _FusedConverter(this._first, this._second); |
58 | 59 |
59 T convert(S input) => _second.convert(_first.convert(input)); | 60 T convert(S input) => _second.convert(_first.convert(input)); |
60 | 61 |
61 Sink/*<S>*/ startChunkedConversion(Sink/*<T>*/ sink) { | 62 Sink/*<S>*/ startChunkedConversion(Sink/*<T>*/ sink) { |
62 return _first.startChunkedConversion(_second.startChunkedConversion(sink)); | 63 return _first.startChunkedConversion(_second.startChunkedConversion(sink)); |
63 } | 64 } |
64 } | 65 } |
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