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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 _ChildrenNodeList implements NodeList { | 5 class _ChildrenNodeList implements NodeList { |
6 // Raw node. | 6 // Raw node. |
7 final _node; | 7 final _node; |
8 final _childNodes; | 8 final _childNodes; |
9 | 9 |
10 _ChildrenNodeList._wrap(var node) | 10 _ChildrenNodeList._wrap(var node) |
11 : _childNodes = node.childNodes, | 11 : _childNodes = node.childNodes, |
12 _node = node; | 12 _node = node; |
13 | 13 |
14 List<Node> _toList() { | 14 List<Node> _toList() { |
15 final output = new List(_childNodes.length); | 15 final output = new List(_childNodes.length); |
16 for (int i = 0, len = _childNodes.length; i < len; i++) { | 16 for (int i = 0, len = _childNodes.length; i < len; i++) { |
17 output[i] = LevelDom.wrapNode(_childNodes[i]); | 17 output[i] = LevelDom.wrapNode(_childNodes[i]); |
18 } | 18 } |
19 return output; | 19 return output; |
20 } | 20 } |
21 | 21 |
22 Node get first() { | 22 Node get first() { |
23 return LevelDom.wrapNode(_node.firstChild); | 23 return LevelDom.wrapNode(_node.firstChild); |
24 } | 24 } |
25 | 25 |
26 void forEach(void f(Node element)) => _toList().forEach(f); | 26 void forEach(void f(Node element)) => _toList().forEach(f); |
27 | 27 |
28 Collection map(f(Node element)) { | 28 Collection map(f(Node element)) => _toList().map(f); |
29 List output = new List(); | |
30 forEach((Node element) { | |
31 output.add(f(element)); | |
32 }); | |
33 return output; | |
34 } | |
35 | 29 |
36 Collection<Node> filter(bool f(Node element)) { | 30 Collection<Node> filter(bool f(Node element)) => _toList().filter(f); |
37 List<Node> output = new List<Node>(); | |
38 forEach((Node element) { | |
39 if (f(element)) { | |
40 output.add(element); | |
41 } | |
42 }); | |
43 return output; | |
44 } | |
45 | 31 |
46 bool every(bool f(Node element)) { | 32 bool every(bool f(Node element)) { |
47 for(Node element in this) { | 33 for(Node element in this) { |
48 if (!f(element)) { | 34 if (!f(element)) { |
49 return false; | 35 return false; |
50 } | 36 } |
51 }; | 37 }; |
52 return true; | 38 return true; |
53 } | 39 } |
54 | 40 |
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104 } | 90 } |
105 | 91 |
106 void sort(int compare(Node a, Node b)) { | 92 void sort(int compare(Node a, Node b)) { |
107 throw const UnsupportedOperationException('TODO(jacobr): should we impl?'); | 93 throw const UnsupportedOperationException('TODO(jacobr): should we impl?'); |
108 } | 94 } |
109 | 95 |
110 void copyFrom(List<Object> src, int srcStart, int dstStart, int count) { | 96 void copyFrom(List<Object> src, int srcStart, int dstStart, int count) { |
111 throw 'Not impl yet. todo(jacobr)'; | 97 throw 'Not impl yet. todo(jacobr)'; |
112 } | 98 } |
113 | 99 |
114 void setRange(int start, int length, List from, [int startFrom = 0]) { | 100 void setRange(int start, int length, List from, [int startFrom = 0]) => |
115 // TODO(nweiz): remove these IndexOutOfRange checks once Frog has bounds | 101 Lists.setRange(this, start, length, from, startFrom); |
116 // checking for List indexing | |
117 if (start < 0) { | |
118 throw new IndexOutOfRangeException(start); | |
119 } else if (startFrom < 0) { | |
120 throw new IndexOutOfRangeException(startFrom); | |
121 } else if (length < 0) { | |
122 throw new IllegalArgumentException("negative length $length"); | |
123 } else if (start + length > this.length) { | |
124 throw new IndexOutOfRangeException(Math.min(this.length, start)); | |
125 } else if (startFrom + length > from.length) { | |
126 throw new IndexOutOfRangeException(Math.min(from.length, startFrom)); | |
127 } | |
128 | 102 |
129 for (var i = 0; i < length; i++) { | 103 void removeRange(int start, int length) => |
130 this[start + i] = from[startFrom + i]; | 104 Lists.removeRange(this, start, length, (i) => this[i].remove()); |
131 } | |
132 } | |
133 | |
134 void removeRange(int start, int length) { | |
135 // TODO(nweiz): remove these IndexOutOfRange checks once Frog has bounds | |
136 // checking for List indexing | |
137 if (start < 0) { | |
138 throw new IndexOutOfRangeException(start); | |
139 } else if (length < 0) { | |
140 throw new IllegalArgumentException("negative length $length"); | |
141 } else if (start + length > this.length) { | |
142 throw new IndexOutOfRangeException(Math.min(this.length, start)); | |
143 } | |
144 | |
145 for (var i = 0; i < length; i++) { | |
146 this[start].remove(); | |
147 } | |
148 } | |
149 | 105 |
150 void insertRange(int start, int length, [initialValue = null]) { | 106 void insertRange(int start, int length, [initialValue = null]) { |
151 throw const NotImplementedException(); | 107 throw const NotImplementedException(); |
152 } | 108 } |
153 | 109 |
154 List getRange(int start, int length) { | 110 List getRange(int start, int length) => Lists.getRange(this, start, length); |
155 // TODO(nweiz): remove these IndexOutOfRange checks once Frog has bounds | |
156 // checking for List indexing | |
157 if (start < 0) { | |
158 throw new IndexOutOfRangeException(start); | |
159 } else if (length < 0) { | |
160 throw new IllegalArgumentException("negative length $length"); | |
161 } else if (start + length > this.length) { | |
162 throw new IndexOutOfRangeException(Math.min(this.length, start)); | |
163 } | |
164 | |
165 var nodes = <Node>[]; | |
166 for (var i = 0; i < length; i++) { | |
167 nodes.add(this[start + i]); | |
168 } | |
169 return nodes; | |
170 } | |
171 | 111 |
172 int indexOf(Node element, [int start = 0]) { | 112 int indexOf(Node element, [int start = 0]) { |
173 return _Lists.indexOf(this, element, start, this.length); | 113 return Lists.indexOf(this, element, start, this.length); |
174 } | 114 } |
175 | 115 |
176 int lastIndexOf(Node element, [int start = null]) { | 116 int lastIndexOf(Node element, [int start = null]) { |
177 if (start === null) start = length - 1; | 117 if (start === null) start = length - 1; |
178 return _Lists.lastIndexOf(this, element, start); | 118 return Lists.lastIndexOf(this, element, start); |
179 } | 119 } |
180 | 120 |
181 void clear() { | 121 void clear() { |
182 _node.textContent = ''; | 122 _node.textContent = ''; |
183 } | 123 } |
184 | 124 |
185 Node removeLast() { | 125 Node removeLast() { |
186 final last = this.last(); | 126 final last = this.last(); |
187 if (last != null) { | 127 if (last != null) { |
188 _node.removeChild(LevelDom.unwrap(last)); | 128 _node.removeChild(LevelDom.unwrap(last)); |
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258 // array. | 198 // array. |
259 Node insertBefore(Node newChild, Node refChild) { | 199 Node insertBefore(Node newChild, Node refChild) { |
260 return LevelDom.wrapNode(_ptr.insertBefore( | 200 return LevelDom.wrapNode(_ptr.insertBefore( |
261 LevelDom.unwrap(newChild), LevelDom.unwrap(refChild))); | 201 LevelDom.unwrap(newChild), LevelDom.unwrap(refChild))); |
262 } | 202 } |
263 | 203 |
264 Node clone(bool deep) { | 204 Node clone(bool deep) { |
265 return LevelDom.wrapNode(_ptr.cloneNode(deep)); | 205 return LevelDom.wrapNode(_ptr.cloneNode(deep)); |
266 } | 206 } |
267 } | 207 } |
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