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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.io; | 5 part of dart.io; |
6 | 6 |
7 /// The current system encoding. | 7 /// The current system encoding. |
8 /// | 8 /// |
9 /// This us used for converting from bytes to/from String when | 9 /// This us used for converting from bytes to/from String when |
10 /// communicating on stdin, stdout and stderr. | 10 /// communicating on stdin, stdout and stderr. |
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35 | 35 |
36 Converter<List<int>, String> get decoder { | 36 Converter<List<int>, String> get decoder { |
37 if (Platform.operatingSystem == "windows") { | 37 if (Platform.operatingSystem == "windows") { |
38 return const _WindowsCodePageDecoder(); | 38 return const _WindowsCodePageDecoder(); |
39 } else { | 39 } else { |
40 return const Utf8Decoder(); | 40 return const Utf8Decoder(); |
41 } | 41 } |
42 } | 42 } |
43 } | 43 } |
44 | 44 |
45 class _WindowsCodePageEncoder extends Converter<String, List<int>> { | 45 class _WindowsCodePageEncoder extends Converter<String, List<int>> |
| 46 implements ChunkedConverter<String, List<int>, String, List<int>> { |
46 const _WindowsCodePageEncoder(); | 47 const _WindowsCodePageEncoder(); |
47 | 48 |
48 List<int> convert(String input) { | 49 List<int> convert(String input) { |
49 List<int> encoded = _encodeString(input); | 50 List<int> encoded = _encodeString(input); |
50 if (encoded == null) { | 51 if (encoded == null) { |
51 throw new FormatException("Invalid character for encoding"); | 52 throw new FormatException("Invalid character for encoding"); |
52 } | 53 } |
53 return encoded; | 54 return encoded; |
54 } | 55 } |
55 | 56 |
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85 | 86 |
86 void addSlice(String source, int start, int end, bool isLast) { | 87 void addSlice(String source, int start, int end, bool isLast) { |
87 if (start != 0 || end != source.length) { | 88 if (start != 0 || end != source.length) { |
88 source = source.substring(start, end); | 89 source = source.substring(start, end); |
89 } | 90 } |
90 add(source); | 91 add(source); |
91 if (isLast) close(); | 92 if (isLast) close(); |
92 } | 93 } |
93 } | 94 } |
94 | 95 |
95 class _WindowsCodePageDecoder extends Converter<List<int>, String> { | 96 class _WindowsCodePageDecoder extends Converter<List<int>, String> |
| 97 implements ChunkedConverter<List<int>, String, List<int>, String> { |
96 const _WindowsCodePageDecoder(); | 98 const _WindowsCodePageDecoder(); |
97 | 99 |
98 String convert(List<int> input) { | 100 String convert(List<int> input) { |
99 return _decodeBytes(input); | 101 return _decodeBytes(input); |
100 } | 102 } |
101 | 103 |
102 /** | 104 /** |
103 * Starts a chunked conversion. | 105 * Starts a chunked conversion. |
104 */ | 106 */ |
105 ByteConversionSink startChunkedConversion(Sink<String> sink) { | 107 ByteConversionSink startChunkedConversion(Sink<String> sink) { |
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118 _WindowsCodePageDecoderSink(this._sink); | 120 _WindowsCodePageDecoderSink(this._sink); |
119 | 121 |
120 void close() { | 122 void close() { |
121 _sink.close(); | 123 _sink.close(); |
122 } | 124 } |
123 | 125 |
124 void add(List<int> bytes) { | 126 void add(List<int> bytes) { |
125 _sink.add(_WindowsCodePageDecoder._decodeBytes(bytes)); | 127 _sink.add(_WindowsCodePageDecoder._decodeBytes(bytes)); |
126 } | 128 } |
127 } | 129 } |
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