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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 class GrowableObjectArray<T> implements Array<T> { | 5 class GrowableObjectArray<T> implements Array<T> { |
6 Array<T> backingArray; | 6 Array<T> backingArray; |
7 | 7 |
8 void copyFrom(Array<Object> src, int srcStart, int dstStart, int count) { | 8 void copyFrom(Array<Object> src, int srcStart, int dstStart, int count) { |
9 Arrays.copy(src, srcStart, this, dstStart, count); | 9 Arrays.copy(src, srcStart, this, dstStart, count); |
10 } | 10 } |
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33 start, | 33 start, |
34 this.length - length - start); | 34 this.length - length - start); |
35 this.length = this.length - length; | 35 this.length = this.length - length; |
36 } | 36 } |
37 | 37 |
38 void insertRange(int start, int length, [T initialValue = null]) { | 38 void insertRange(int start, int length, [T initialValue = null]) { |
39 throw const NotImplementedException(); | 39 throw const NotImplementedException(); |
40 } | 40 } |
41 | 41 |
42 List<T> getRange(int start, int length) { | 42 List<T> getRange(int start, int length) { |
43 throw const NotImplementedException(); | 43 if (length == 0) return []; |
| 44 Arrays.rangeCheck(this, start, length); |
| 45 return new List<T>.fromList(this, start, start + length); |
44 } | 46 } |
45 | 47 |
46 // The length of this growable array. It is always less than the | 48 // The length of this growable array. It is always less than the |
47 // length of the backing array. | 49 // length of the backing array. |
48 int _length; | 50 int _length; |
49 // Constant used by indexOf and lastIndexOf when the element given | 51 // Constant used by indexOf and lastIndexOf when the element given |
50 // is not in the array. | 52 // is not in the array. |
51 static final int ABSENT = -1; | 53 static final int ABSENT = -1; |
52 | 54 |
53 GrowableObjectArray() | 55 GrowableObjectArray() |
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207 if (!hasNext()) { | 209 if (!hasNext()) { |
208 throw const NoMoreElementsException(); | 210 throw const NoMoreElementsException(); |
209 } | 211 } |
210 return _array[_pos++]; | 212 return _array[_pos++]; |
211 } | 213 } |
212 | 214 |
213 final GrowableObjectArray<T> _array; | 215 final GrowableObjectArray<T> _array; |
214 int _pos; | 216 int _pos; |
215 } | 217 } |
216 | 218 |
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