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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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.utf; | 5 part of utf; |
6 | 6 |
7 const int _UTF8_ONE_BYTE_MAX = 0x7f; | 7 const int _UTF8_ONE_BYTE_MAX = 0x7f; |
8 const int _UTF8_TWO_BYTE_MAX = 0x7ff; | 8 const int _UTF8_TWO_BYTE_MAX = 0x7ff; |
9 const int _UTF8_THREE_BYTE_MAX = 0xffff; | 9 const int _UTF8_THREE_BYTE_MAX = 0xffff; |
10 | 10 |
11 const int _UTF8_LO_SIX_BIT_MASK = 0x3f; | 11 const int _UTF8_LO_SIX_BIT_MASK = 0x3f; |
12 | 12 |
13 const int _UTF8_FIRST_BYTE_OF_TWO_BASE = 0xc0; | 13 const int _UTF8_FIRST_BYTE_OF_TWO_BASE = 0xc0; |
14 const int _UTF8_FIRST_BYTE_OF_THREE_BASE = 0xe0; | 14 const int _UTF8_FIRST_BYTE_OF_THREE_BASE = 0xe0; |
15 const int _UTF8_FIRST_BYTE_OF_FOUR_BASE = 0xf0; | 15 const int _UTF8_FIRST_BYTE_OF_FOUR_BASE = 0xf0; |
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266 return true; | 266 return true; |
267 } else if (replacementCodepoint != null) { | 267 } else if (replacementCodepoint != null) { |
268 _current = replacementCodepoint; | 268 _current = replacementCodepoint; |
269 return true; | 269 return true; |
270 } else { | 270 } else { |
271 throw new ArgumentError( | 271 throw new ArgumentError( |
272 "Invalid UTF8 at ${utf8EncodedBytesIterator.position - j}"); | 272 "Invalid UTF8 at ${utf8EncodedBytesIterator.position - j}"); |
273 } | 273 } |
274 } | 274 } |
275 } | 275 } |
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