OLD | NEW |
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 // Character constants. | 7 // Character constants. |
8 const int _LF = 10; | 8 const int _LF = 10; |
9 const int _CR = 13; | 9 const int _CR = 13; |
10 | 10 |
11 /** | 11 /** |
12 * A [Converter] that splits a [String] into individual lines. | 12 * A [StreamTranformer] that splits a [String] into individual lines. |
13 * | 13 * |
14 * A line is terminated by either a CR (U+000D), a LF (U+000A), a | 14 * A line is terminated by either a CR (U+000D), a LF (U+000A), a |
15 * CR+LF sequence (DOS line ending), | 15 * CR+LF sequence (DOS line ending), |
16 * and a final non-empty line can be ended by the end of the string. | 16 * and a final non-empty line can be ended by the end of the string. |
17 * | 17 * |
18 * The returned lines do not contain the line terminators. | 18 * The returned lines do not contain the line terminators. |
19 */ | 19 */ |
| 20 |
20 class LineSplitter | 21 class LineSplitter |
21 extends Converter<String, List<String>>/*=Object*/ | 22 extends Converter<String, List<String>>/*=Object*/ |
22 implements ChunkedConverter<String, List<String>, String, String> | 23 implements ChunkedConverter<String, List<String>, String, String> |
23 /*=StreamTransformer<String, String>*/ { | 24 /*=StreamTransformer<String, String>*/ { |
24 | 25 |
25 const LineSplitter(); | 26 const LineSplitter(); |
26 | 27 |
27 /// Split [lines] into individual lines. | 28 /// Split [lines] into individual lines. |
28 /// | 29 /// |
29 /// If [start] and [end] are provided, only split the contents of | 30 /// If [start] and [end] are provided, only split the contents of |
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
76 return lines; | 77 return lines; |
77 } | 78 } |
78 | 79 |
79 StringConversionSink startChunkedConversion(Sink<String> sink) { | 80 StringConversionSink startChunkedConversion(Sink<String> sink) { |
80 if (sink is! StringConversionSink) { | 81 if (sink is! StringConversionSink) { |
81 sink = new StringConversionSink.from(sink); | 82 sink = new StringConversionSink.from(sink); |
82 } | 83 } |
83 return new _LineSplitterSink(sink); | 84 return new _LineSplitterSink(sink); |
84 } | 85 } |
85 | 86 |
86 Stream/*<String>*/ bind(Stream/*<String>*/ stream) { | 87 Stream/*<String>*/ bind(Stream<String> stream) { |
87 return new Stream<String>.eventTransformed( | 88 return new Stream<String>.eventTransformed( |
88 stream, | 89 stream, |
89 (EventSink<String> sink) => new _LineSplitterEventSink(sink)); | 90 (EventSink<String> sink) => new _LineSplitterEventSink(sink)); |
90 } | 91 } |
91 } | 92 } |
92 | 93 |
93 // TODO(floitsch): deal with utf8. | 94 // TODO(floitsch): deal with utf8. |
94 class _LineSplitterSink extends StringConversionSinkBase { | 95 class _LineSplitterSink extends StringConversionSinkBase { |
95 final StringConversionSink _sink; | 96 final StringConversionSink _sink; |
96 | 97 |
(...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
171 final EventSink<String> _eventSink; | 172 final EventSink<String> _eventSink; |
172 | 173 |
173 _LineSplitterEventSink(EventSink<String> eventSink) | 174 _LineSplitterEventSink(EventSink<String> eventSink) |
174 : _eventSink = eventSink, | 175 : _eventSink = eventSink, |
175 super(new StringConversionSink.from(eventSink)); | 176 super(new StringConversionSink.from(eventSink)); |
176 | 177 |
177 void addError(Object o, [StackTrace stackTrace]) { | 178 void addError(Object o, [StackTrace stackTrace]) { |
178 _eventSink.addError(o, stackTrace); | 179 _eventSink.addError(o, stackTrace); |
179 } | 180 } |
180 } | 181 } |
OLD | NEW |