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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 /** | 5 /** |
6 * The StringBuffer class is useful for concatenating strings | 6 * The StringBuffer class is useful for concatenating strings |
7 * efficiently. Only on a call to [toString] are the strings | 7 * efficiently. Only on a call to [toString] are the strings |
8 * concatenated to a single String. | 8 * concatenated to a single String. |
9 */ | 9 */ |
10 class StringBufferImpl implements StringBuffer { | 10 class StringBufferImpl implements StringBuffer { |
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36 return this; | 36 return this; |
37 } | 37 } |
38 _buffer.add(str); | 38 _buffer.add(str); |
39 _length += str.length; | 39 _length += str.length; |
40 return this; | 40 return this; |
41 } | 41 } |
42 | 42 |
43 /** | 43 /** |
44 * Adds all items in [objects] to the buffer. Returns [this]. | 44 * Adds all items in [objects] to the buffer. Returns [this]. |
45 */ | 45 */ |
46 StringBuffer addAll(Collection<Object> objects) { | 46 StringBuffer addAll(Collection objects) { |
47 for (Object obj in objects) { | 47 for (Object obj in objects) { |
48 add(obj); | 48 add(obj); |
49 } | 49 } |
50 return this; | 50 return this; |
51 } | 51 } |
52 | 52 |
53 /** | 53 /** |
54 * Adds the string representation of [charCode] to the buffer. | 54 * Adds the string representation of [charCode] to the buffer. |
55 * Returns [this]. | 55 * Returns [this]. |
56 */ | 56 */ |
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77 _buffer.clear(); | 77 _buffer.clear(); |
78 _buffer.add(result); | 78 _buffer.add(result); |
79 // Since we track the length at each add operation, there is no | 79 // Since we track the length at each add operation, there is no |
80 // need to update it in this function. | 80 // need to update it in this function. |
81 return result; | 81 return result; |
82 } | 82 } |
83 | 83 |
84 List<String> _buffer; | 84 List<String> _buffer; |
85 int _length; | 85 int _length; |
86 } | 86 } |
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