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Side by Side Diff: third_party/WebKit/Source/core/dom/TreeWalker.cpp

Issue 2068053002: Rename Blink constants generated from IDL files. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 4 years, 4 months ago
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1 /* 1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no) 3 * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
4 * Copyright (C) 2001 Peter Kelly (pmk@post.com) 4 * Copyright (C) 2001 Peter Kelly (pmk@post.com)
5 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) 5 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
6 * Copyright (C) 2004, 2008 Apple Inc. All rights reserved. 6 * Copyright (C) 2004, 2008 Apple Inc. All rights reserved.
7 * 7 *
8 * This library is free software; you can redistribute it and/or 8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public 9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either 10 * License as published by the Free Software Foundation; either
(...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after
52 Node* TreeWalker::parentNode(ExceptionState& exceptionState) 52 Node* TreeWalker::parentNode(ExceptionState& exceptionState)
53 { 53 {
54 Node* node = m_current; 54 Node* node = m_current;
55 while (node != root()) { 55 while (node != root()) {
56 node = node->parentNode(); 56 node = node->parentNode();
57 if (!node) 57 if (!node)
58 return 0; 58 return 0;
59 unsigned acceptNodeResult = acceptNode(node, exceptionState); 59 unsigned acceptNodeResult = acceptNode(node, exceptionState);
60 if (exceptionState.hadException()) 60 if (exceptionState.hadException())
61 return 0; 61 return 0;
62 if (acceptNodeResult == NodeFilter::FILTER_ACCEPT) 62 if (acceptNodeResult == NodeFilter::kFilterAccept)
63 return setCurrent(node); 63 return setCurrent(node);
64 } 64 }
65 return 0; 65 return 0;
66 } 66 }
67 67
68 Node* TreeWalker::firstChild(ExceptionState& exceptionState) 68 Node* TreeWalker::firstChild(ExceptionState& exceptionState)
69 { 69 {
70 for (Node* node = m_current->firstChild(); node; ) { 70 for (Node* node = m_current->firstChild(); node; ) {
71 unsigned acceptNodeResult = acceptNode(node, exceptionState); 71 unsigned acceptNodeResult = acceptNode(node, exceptionState);
72 if (exceptionState.hadException()) 72 if (exceptionState.hadException())
73 return 0; 73 return 0;
74 switch (acceptNodeResult) { 74 switch (acceptNodeResult) {
75 case NodeFilter::FILTER_ACCEPT: 75 case NodeFilter::kFilterAccept:
76 m_current = node; 76 m_current = node;
77 return m_current.get(); 77 return m_current.get();
78 case NodeFilter::FILTER_SKIP: 78 case NodeFilter::kFilterSkip:
79 if (node->hasChildren()) { 79 if (node->hasChildren()) {
80 node = node->firstChild(); 80 node = node->firstChild();
81 continue; 81 continue;
82 } 82 }
83 break; 83 break;
84 case NodeFilter::FILTER_REJECT: 84 case NodeFilter::kFilterReject:
85 break; 85 break;
86 } 86 }
87 do { 87 do {
88 if (node->nextSibling()) { 88 if (node->nextSibling()) {
89 node = node->nextSibling(); 89 node = node->nextSibling();
90 break; 90 break;
91 } 91 }
92 ContainerNode* parent = node->parentNode(); 92 ContainerNode* parent = node->parentNode();
93 if (!parent || parent == root() || parent == m_current) 93 if (!parent || parent == root() || parent == m_current)
94 return 0; 94 return 0;
95 node = parent; 95 node = parent;
96 } while (node); 96 } while (node);
97 } 97 }
98 return 0; 98 return 0;
99 } 99 }
100 100
101 Node* TreeWalker::lastChild(ExceptionState& exceptionState) 101 Node* TreeWalker::lastChild(ExceptionState& exceptionState)
102 { 102 {
103 for (Node* node = m_current->lastChild(); node; ) { 103 for (Node* node = m_current->lastChild(); node; ) {
104 unsigned acceptNodeResult = acceptNode(node, exceptionState); 104 unsigned acceptNodeResult = acceptNode(node, exceptionState);
105 if (exceptionState.hadException()) 105 if (exceptionState.hadException())
106 return 0; 106 return 0;
107 switch (acceptNodeResult) { 107 switch (acceptNodeResult) {
108 case NodeFilter::FILTER_ACCEPT: 108 case NodeFilter::kFilterAccept:
109 m_current = node; 109 m_current = node;
110 return m_current.get(); 110 return m_current.get();
111 case NodeFilter::FILTER_SKIP: 111 case NodeFilter::kFilterSkip:
112 if (node->lastChild()) { 112 if (node->lastChild()) {
113 node = node->lastChild(); 113 node = node->lastChild();
114 continue; 114 continue;
115 } 115 }
116 break; 116 break;
117 case NodeFilter::FILTER_REJECT: 117 case NodeFilter::kFilterReject:
118 break; 118 break;
119 } 119 }
120 do { 120 do {
121 if (node->previousSibling()) { 121 if (node->previousSibling()) {
122 node = node->previousSibling(); 122 node = node->previousSibling();
123 break; 123 break;
124 } 124 }
125 ContainerNode* parent = node->parentNode(); 125 ContainerNode* parent = node->parentNode();
126 if (!parent || parent == root() || parent == m_current) 126 if (!parent || parent == root() || parent == m_current)
127 return 0; 127 return 0;
128 node = parent; 128 node = parent;
129 } while (node); 129 } while (node);
130 } 130 }
131 return 0; 131 return 0;
132 } 132 }
133 133
134 Node* TreeWalker::previousSibling(ExceptionState& exceptionState) 134 Node* TreeWalker::previousSibling(ExceptionState& exceptionState)
135 { 135 {
136 Node* node = m_current; 136 Node* node = m_current;
137 if (node == root()) 137 if (node == root())
138 return 0; 138 return 0;
139 while (1) { 139 while (1) {
140 for (Node* sibling = node->previousSibling(); sibling; ) { 140 for (Node* sibling = node->previousSibling(); sibling; ) {
141 unsigned acceptNodeResult = acceptNode(sibling, exceptionState); 141 unsigned acceptNodeResult = acceptNode(sibling, exceptionState);
142 if (exceptionState.hadException()) 142 if (exceptionState.hadException())
143 return 0; 143 return 0;
144 switch (acceptNodeResult) { 144 switch (acceptNodeResult) {
145 case NodeFilter::FILTER_ACCEPT: 145 case NodeFilter::kFilterAccept:
146 m_current = sibling; 146 m_current = sibling;
147 return m_current.get(); 147 return m_current.get();
148 case NodeFilter::FILTER_SKIP: 148 case NodeFilter::kFilterSkip:
149 if (sibling->lastChild()) { 149 if (sibling->lastChild()) {
150 sibling = sibling->lastChild(); 150 sibling = sibling->lastChild();
151 node = sibling; 151 node = sibling;
152 continue; 152 continue;
153 } 153 }
154 break; 154 break;
155 case NodeFilter::FILTER_REJECT: 155 case NodeFilter::kFilterReject:
156 break; 156 break;
157 } 157 }
158 sibling = sibling->previousSibling(); 158 sibling = sibling->previousSibling();
159 } 159 }
160 node = node->parentNode(); 160 node = node->parentNode();
161 if (!node || node == root()) 161 if (!node || node == root())
162 return 0; 162 return 0;
163 unsigned acceptNodeResult = acceptNode(node, exceptionState); 163 unsigned acceptNodeResult = acceptNode(node, exceptionState);
164 if (exceptionState.hadException()) 164 if (exceptionState.hadException())
165 return 0; 165 return 0;
166 if (acceptNodeResult == NodeFilter::FILTER_ACCEPT) 166 if (acceptNodeResult == NodeFilter::kFilterAccept)
167 return 0; 167 return 0;
168 } 168 }
169 } 169 }
170 170
171 Node* TreeWalker::nextSibling(ExceptionState& exceptionState) 171 Node* TreeWalker::nextSibling(ExceptionState& exceptionState)
172 { 172 {
173 Node* node = m_current; 173 Node* node = m_current;
174 if (node == root()) 174 if (node == root())
175 return 0; 175 return 0;
176 while (1) { 176 while (1) {
177 for (Node* sibling = node->nextSibling(); sibling; ) { 177 for (Node* sibling = node->nextSibling(); sibling; ) {
178 unsigned acceptNodeResult = acceptNode(sibling, exceptionState); 178 unsigned acceptNodeResult = acceptNode(sibling, exceptionState);
179 if (exceptionState.hadException()) 179 if (exceptionState.hadException())
180 return 0; 180 return 0;
181 switch (acceptNodeResult) { 181 switch (acceptNodeResult) {
182 case NodeFilter::FILTER_ACCEPT: 182 case NodeFilter::kFilterAccept:
183 m_current = sibling; 183 m_current = sibling;
184 return m_current.get(); 184 return m_current.get();
185 case NodeFilter::FILTER_SKIP: 185 case NodeFilter::kFilterSkip:
186 if (sibling->hasChildren()) { 186 if (sibling->hasChildren()) {
187 sibling = sibling->firstChild(); 187 sibling = sibling->firstChild();
188 node = sibling; 188 node = sibling;
189 continue; 189 continue;
190 } 190 }
191 break; 191 break;
192 case NodeFilter::FILTER_REJECT: 192 case NodeFilter::kFilterReject:
193 break; 193 break;
194 } 194 }
195 sibling = sibling->nextSibling(); 195 sibling = sibling->nextSibling();
196 } 196 }
197 node = node->parentNode(); 197 node = node->parentNode();
198 if (!node || node == root()) 198 if (!node || node == root())
199 return 0; 199 return 0;
200 unsigned acceptNodeResult = acceptNode(node, exceptionState); 200 unsigned acceptNodeResult = acceptNode(node, exceptionState);
201 if (exceptionState.hadException()) 201 if (exceptionState.hadException())
202 return 0; 202 return 0;
203 if (acceptNodeResult == NodeFilter::FILTER_ACCEPT) 203 if (acceptNodeResult == NodeFilter::kFilterAccept)
204 return 0; 204 return 0;
205 } 205 }
206 } 206 }
207 207
208 Node* TreeWalker::previousNode(ExceptionState& exceptionState) 208 Node* TreeWalker::previousNode(ExceptionState& exceptionState)
209 { 209 {
210 Node* node = m_current; 210 Node* node = m_current;
211 while (node != root()) { 211 while (node != root()) {
212 while (Node* previousSibling = node->previousSibling()) { 212 while (Node* previousSibling = node->previousSibling()) {
213 node = previousSibling; 213 node = previousSibling;
214 unsigned acceptNodeResult = acceptNode(node, exceptionState); 214 unsigned acceptNodeResult = acceptNode(node, exceptionState);
215 if (exceptionState.hadException()) 215 if (exceptionState.hadException())
216 return 0; 216 return 0;
217 if (acceptNodeResult == NodeFilter::FILTER_REJECT) 217 if (acceptNodeResult == NodeFilter::kFilterReject)
218 continue; 218 continue;
219 while (Node* lastChild = node->lastChild()) { 219 while (Node* lastChild = node->lastChild()) {
220 node = lastChild; 220 node = lastChild;
221 acceptNodeResult = acceptNode(node, exceptionState); 221 acceptNodeResult = acceptNode(node, exceptionState);
222 if (exceptionState.hadException()) 222 if (exceptionState.hadException())
223 return 0; 223 return 0;
224 if (acceptNodeResult == NodeFilter::FILTER_REJECT) 224 if (acceptNodeResult == NodeFilter::kFilterReject)
225 break; 225 break;
226 } 226 }
227 if (acceptNodeResult == NodeFilter::FILTER_ACCEPT) { 227 if (acceptNodeResult == NodeFilter::kFilterAccept) {
228 m_current = node; 228 m_current = node;
229 return m_current.get(); 229 return m_current.get();
230 } 230 }
231 } 231 }
232 if (node == root()) 232 if (node == root())
233 return 0; 233 return 0;
234 ContainerNode* parent = node->parentNode(); 234 ContainerNode* parent = node->parentNode();
235 if (!parent) 235 if (!parent)
236 return 0; 236 return 0;
237 node = parent; 237 node = parent;
238 unsigned acceptNodeResult = acceptNode(node, exceptionState); 238 unsigned acceptNodeResult = acceptNode(node, exceptionState);
239 if (exceptionState.hadException()) 239 if (exceptionState.hadException())
240 return 0; 240 return 0;
241 if (acceptNodeResult == NodeFilter::FILTER_ACCEPT) 241 if (acceptNodeResult == NodeFilter::kFilterAccept)
242 return setCurrent(node); 242 return setCurrent(node);
243 } 243 }
244 return 0; 244 return 0;
245 } 245 }
246 246
247 Node* TreeWalker::nextNode(ExceptionState& exceptionState) 247 Node* TreeWalker::nextNode(ExceptionState& exceptionState)
248 { 248 {
249 Node* node = m_current; 249 Node* node = m_current;
250 Children: 250 Children:
251 while (Node* firstChild = node->firstChild()) { 251 while (Node* firstChild = node->firstChild()) {
252 node = firstChild; 252 node = firstChild;
253 unsigned acceptNodeResult = acceptNode(node, exceptionState); 253 unsigned acceptNodeResult = acceptNode(node, exceptionState);
254 if (exceptionState.hadException()) 254 if (exceptionState.hadException())
255 return 0; 255 return 0;
256 if (acceptNodeResult == NodeFilter::FILTER_ACCEPT) 256 if (acceptNodeResult == NodeFilter::kFilterAccept)
257 return setCurrent(node); 257 return setCurrent(node);
258 if (acceptNodeResult == NodeFilter::FILTER_REJECT) 258 if (acceptNodeResult == NodeFilter::kFilterReject)
259 break; 259 break;
260 } 260 }
261 while (Node* nextSibling = NodeTraversal::nextSkippingChildren(*node, root() )) { 261 while (Node* nextSibling = NodeTraversal::nextSkippingChildren(*node, root() )) {
262 node = nextSibling; 262 node = nextSibling;
263 unsigned acceptNodeResult = acceptNode(node, exceptionState); 263 unsigned acceptNodeResult = acceptNode(node, exceptionState);
264 if (exceptionState.hadException()) 264 if (exceptionState.hadException())
265 return 0; 265 return 0;
266 if (acceptNodeResult == NodeFilter::FILTER_ACCEPT) 266 if (acceptNodeResult == NodeFilter::kFilterAccept)
267 return setCurrent(node); 267 return setCurrent(node);
268 if (acceptNodeResult == NodeFilter::FILTER_SKIP) 268 if (acceptNodeResult == NodeFilter::kFilterSkip)
269 goto Children; 269 goto Children;
270 } 270 }
271 return 0; 271 return 0;
272 } 272 }
273 273
274 DEFINE_TRACE(TreeWalker) 274 DEFINE_TRACE(TreeWalker)
275 { 275 {
276 visitor->trace(m_current); 276 visitor->trace(m_current);
277 NodeIteratorBase::trace(visitor); 277 NodeIteratorBase::trace(visitor);
278 } 278 }
279 279
280 DEFINE_TRACE_WRAPPERS(TreeWalker) 280 DEFINE_TRACE_WRAPPERS(TreeWalker)
281 { 281 {
282 NodeIteratorBase::traceWrappers(visitor); 282 NodeIteratorBase::traceWrappers(visitor);
283 } 283 }
284 284
285 } // namespace blink 285 } // namespace blink
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