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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_crypto; | |
6 | |
7 class _LineWrappingStringBuffer { | 5 class _LineWrappingStringBuffer { |
8 _LineWrappingStringBuffer(int this._lineLength) : _sb = new StringBuffer(); | 6 _LineWrappingStringBuffer(int this._lineLength) : _sb = new StringBuffer(); |
9 | 7 |
10 void add(String s) { | 8 void add(String s) { |
11 if (_lineLength != null && _currentLineLength == _lineLength) { | 9 if (_lineLength != null && _currentLineLength == _lineLength) { |
12 _sb.add('\r\n'); | 10 _sb.add('\r\n'); |
13 _currentLineLength = 0; | 11 _currentLineLength = 0; |
14 } | 12 } |
15 _sb.add(s); | 13 _sb.add(s); |
16 _currentLineLength++; | 14 _currentLineLength++; |
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67 var b1 = bytes[i + 1] & 0xff; | 65 var b1 = bytes[i + 1] & 0xff; |
68 result.add(table[b0 >> 2]); | 66 result.add(table[b0 >> 2]); |
69 result.add(table[((b0 << 4) | (b1 >> 4)) & 0x3f]); | 67 result.add(table[((b0 << 4) | (b1 >> 4)) & 0x3f]); |
70 result.add(table[(b1 << 2) & 0x3f]); | 68 result.add(table[(b1 << 2) & 0x3f]); |
71 result.add('='); | 69 result.add('='); |
72 } | 70 } |
73 | 71 |
74 return result.toString(); | 72 return result.toString(); |
75 } | 73 } |
76 } | 74 } |
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