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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>> { | |
47 const _WindowsCodePageEncoder(); | 46 const _WindowsCodePageEncoder(); |
48 | 47 |
49 List<int> convert(String input) { | 48 List<int> convert(String input) { |
50 List<int> encoded = _encodeString(input); | 49 List<int> encoded = _encodeString(input); |
51 if (encoded == null) { | 50 if (encoded == null) { |
52 throw new FormatException("Invalid character for encoding"); | 51 throw new FormatException("Invalid character for encoding"); |
53 } | 52 } |
54 return encoded; | 53 return encoded; |
55 } | 54 } |
56 | 55 |
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86 | 85 |
87 void addSlice(String source, int start, int end, bool isLast) { | 86 void addSlice(String source, int start, int end, bool isLast) { |
88 if (start != 0 || end != source.length) { | 87 if (start != 0 || end != source.length) { |
89 source = source.substring(start, end); | 88 source = source.substring(start, end); |
90 } | 89 } |
91 add(source); | 90 add(source); |
92 if (isLast) close(); | 91 if (isLast) close(); |
93 } | 92 } |
94 } | 93 } |
95 | 94 |
96 class _WindowsCodePageDecoder extends Converter<List<int>, String> | 95 class _WindowsCodePageDecoder extends Converter<List<int>, String> { |
97 implements ChunkedConverter<List<int>, String, List<int>, String> { | |
98 const _WindowsCodePageDecoder(); | 96 const _WindowsCodePageDecoder(); |
99 | 97 |
100 String convert(List<int> input) { | 98 String convert(List<int> input) { |
101 return _decodeBytes(input); | 99 return _decodeBytes(input); |
102 } | 100 } |
103 | 101 |
104 /** | 102 /** |
105 * Starts a chunked conversion. | 103 * Starts a chunked conversion. |
106 */ | 104 */ |
107 ByteConversionSink startChunkedConversion(Sink<String> sink) { | 105 ByteConversionSink startChunkedConversion(Sink<String> sink) { |
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120 _WindowsCodePageDecoderSink(this._sink); | 118 _WindowsCodePageDecoderSink(this._sink); |
121 | 119 |
122 void close() { | 120 void close() { |
123 _sink.close(); | 121 _sink.close(); |
124 } | 122 } |
125 | 123 |
126 void add(List<int> bytes) { | 124 void add(List<int> bytes) { |
127 _sink.add(_WindowsCodePageDecoder._decodeBytes(bytes)); | 125 _sink.add(_WindowsCodePageDecoder._decodeBytes(bytes)); |
128 } | 126 } |
129 } | 127 } |
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