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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 part of html_common; | 5 part of html_common; |
6 | 6 |
7 /** | 7 /** |
8 * An indexable collection of a node's descendants in the document tree, | 8 * An indexable collection of a node's descendants in the document tree, |
9 * filtered so that only elements are in the collection. | 9 * filtered so that only elements are in the collection. |
10 */ | 10 */ |
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62 } | 62 } |
63 | 63 |
64 void addLast(Element value) { | 64 void addLast(Element value) { |
65 add(value); | 65 add(value); |
66 } | 66 } |
67 | 67 |
68 bool contains(Element element) { | 68 bool contains(Element element) { |
69 return element is Element && _childNodes.contains(element); | 69 return element is Element && _childNodes.contains(element); |
70 } | 70 } |
71 | 71 |
72 List<Element> get reversed => _filtered.reversed; | 72 Iterable<Element> get reversed => _filtered.reversed; |
73 | 73 |
74 void sort([int compare(Element a, Element b)]) { | 74 void sort([int compare(Element a, Element b)]) { |
75 throw new UnsupportedError('TODO(jacobr): should we impl?'); | 75 throw new UnsupportedError('TODO(jacobr): should we impl?'); |
76 } | 76 } |
77 | 77 |
78 void setRange(int start, int rangeLength, List from, [int startFrom = 0]) { | 78 void setRange(int start, int rangeLength, List from, [int startFrom = 0]) { |
79 throw new UnimplementedError(); | 79 throw new UnimplementedError(); |
80 } | 80 } |
81 | 81 |
82 void removeRange(int start, int rangeLength) { | 82 void removeRange(int start, int rangeLength) { |
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95 | 95 |
96 Element removeLast() { | 96 Element removeLast() { |
97 final result = this.last; | 97 final result = this.last; |
98 if (result != null) { | 98 if (result != null) { |
99 result.remove(); | 99 result.remove(); |
100 } | 100 } |
101 return result; | 101 return result; |
102 } | 102 } |
103 | 103 |
104 Iterable map(f(Element element)) => _filtered.map(f); | 104 Iterable map(f(Element element)) => _filtered.map(f); |
105 List mappedBy(f(Element element)) => _filtered.mappedBy(f); | |
106 Iterable<Element> where(bool f(Element element)) => _filtered.where(f); | 105 Iterable<Element> where(bool f(Element element)) => _filtered.where(f); |
107 Iterable expand(Iterable f(Element element)) => _filtered.expand(f); | 106 Iterable expand(Iterable f(Element element)) => _filtered.expand(f); |
108 | 107 |
109 Element removeAt(int index) { | 108 Element removeAt(int index) { |
110 final result = this[index]; | 109 final result = this[index]; |
111 result.remove(); | 110 result.remove(); |
112 return result; | 111 return result; |
113 } | 112 } |
114 | 113 |
115 void remove(Object element) { | 114 void remove(Object element) { |
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199 Element get first => _filtered.first; | 198 Element get first => _filtered.first; |
200 | 199 |
201 Element get last => _filtered.last; | 200 Element get last => _filtered.last; |
202 | 201 |
203 Element get single => _filtered.single; | 202 Element get single => _filtered.single; |
204 | 203 |
205 Element min([int compare(Element a, Element b)]) => _filtered.min(compare); | 204 Element min([int compare(Element a, Element b)]) => _filtered.min(compare); |
206 | 205 |
207 Element max([int compare(Element a, Element b)]) => _filtered.max(compare); | 206 Element max([int compare(Element a, Element b)]) => _filtered.max(compare); |
208 } | 207 } |
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