Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(17)

Side by Side Diff: third_party/WebKit/Source/core/xml/XPathNodeSet.cpp

Issue 1854543002: Oilpan: Remove WillBe types (part 7) (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 /* 1 /*
2 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> 2 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
(...skipping 20 matching lines...) Expand all
31 #include "core/dom/NodeTraversal.h" 31 #include "core/dom/NodeTraversal.h"
32 32
33 namespace blink { 33 namespace blink {
34 namespace XPath { 34 namespace XPath {
35 35
36 // When a node set is large, sorting it by traversing the whole document is 36 // When a node set is large, sorting it by traversing the whole document is
37 // better (we can assume that we aren't dealing with documents that we cannot 37 // better (we can assume that we aren't dealing with documents that we cannot
38 // even traverse in reasonable time). 38 // even traverse in reasonable time).
39 const unsigned traversalSortCutoff = 10000; 39 const unsigned traversalSortCutoff = 10000;
40 40
41 typedef WillBeHeapVector<RawPtrWillBeMember<Node>> NodeSetVector; 41 typedef HeapVector<Member<Node>> NodeSetVector;
42 42
43 NodeSet* NodeSet::create(const NodeSet& other) 43 NodeSet* NodeSet::create(const NodeSet& other)
44 { 44 {
45 NodeSet* nodeSet = NodeSet::create(); 45 NodeSet* nodeSet = NodeSet::create();
46 nodeSet->m_isSorted = other.m_isSorted; 46 nodeSet->m_isSorted = other.m_isSorted;
47 nodeSet->m_subtreesAreDisjoint = other.m_subtreesAreDisjoint; 47 nodeSet->m_subtreesAreDisjoint = other.m_subtreesAreDisjoint;
48 nodeSet->m_nodes.appendVector(other.m_nodes); 48 nodeSet->m_nodes.appendVector(other.m_nodes);
49 return nodeSet; 49 return nodeSet;
50 } 50 }
51 51
52 static inline Node* parentWithDepth(unsigned depth, const NodeSetVector& parents ) 52 static inline Node* parentWithDepth(unsigned depth, const NodeSetVector& parents )
53 { 53 {
54 ASSERT(parents.size() >= depth + 1); 54 ASSERT(parents.size() >= depth + 1);
55 return parents[parents.size() - 1 - depth]; 55 return parents[parents.size() - 1 - depth];
56 } 56 }
57 57
58 static void sortBlock(unsigned from, unsigned to, WillBeHeapVector<NodeSetVector >& parentMatrix, bool mayContainAttributeNodes) 58 static void sortBlock(unsigned from, unsigned to, HeapVector<NodeSetVector>& par entMatrix, bool mayContainAttributeNodes)
59 { 59 {
60 // Should not call this function with less that two nodes to sort. 60 // Should not call this function with less that two nodes to sort.
61 ASSERT(from + 1 < to); 61 ASSERT(from + 1 < to);
62 unsigned minDepth = UINT_MAX; 62 unsigned minDepth = UINT_MAX;
63 for (unsigned i = from; i < to; ++i) { 63 for (unsigned i = from; i < to; ++i) {
64 unsigned depth = parentMatrix[i].size() - 1; 64 unsigned depth = parentMatrix[i].size() - 1;
65 if (minDepth > depth) 65 if (minDepth > depth)
66 minDepth = depth; 66 minDepth = depth;
67 } 67 }
68 68
(...skipping 47 matching lines...) Expand 10 before | Expand all | Expand 10 after
116 if (sortedEnd != from) { 116 if (sortedEnd != from) {
117 if (to - sortedEnd > 1) 117 if (to - sortedEnd > 1)
118 sortBlock(sortedEnd, to, parentMatrix, mayContainAttributeNodes) ; 118 sortBlock(sortedEnd, to, parentMatrix, mayContainAttributeNodes) ;
119 return; 119 return;
120 } 120 }
121 } 121 }
122 122
123 // Children nodes of the common ancestor induce a subdivision of our 123 // Children nodes of the common ancestor induce a subdivision of our
124 // node-set. Sort it according to this subdivision, and recursively sort 124 // node-set. Sort it according to this subdivision, and recursively sort
125 // each group. 125 // each group.
126 WillBeHeapHashSet<RawPtrWillBeMember<Node>> parentNodes; 126 HeapHashSet<Member<Node>> parentNodes;
127 for (unsigned i = from; i < to; ++i) 127 for (unsigned i = from; i < to; ++i)
128 parentNodes.add(parentWithDepth(commonAncestorDepth + 1, parentMatrix[i] )); 128 parentNodes.add(parentWithDepth(commonAncestorDepth + 1, parentMatrix[i] ));
129 129
130 unsigned previousGroupEnd = from; 130 unsigned previousGroupEnd = from;
131 unsigned groupEnd = from; 131 unsigned groupEnd = from;
132 for (Node* n = commonAncestor->firstChild(); n; n = n->nextSibling()) { 132 for (Node* n = commonAncestor->firstChild(); n; n = n->nextSibling()) {
133 // If parentNodes contains the node, perform a linear search to move its 133 // If parentNodes contains the node, perform a linear search to move its
134 // children in the node-set to the beginning. 134 // children in the node-set to the beginning.
135 if (parentNodes.contains(n)) { 135 if (parentNodes.contains(n)) {
136 for (unsigned i = groupEnd; i < to; ++i) { 136 for (unsigned i = groupEnd; i < to; ++i) {
(...skipping 26 matching lines...) Expand all
163 return; 163 return;
164 } 164 }
165 165
166 if (nodeCount > traversalSortCutoff) { 166 if (nodeCount > traversalSortCutoff) {
167 traversalSort(); 167 traversalSort();
168 return; 168 return;
169 } 169 }
170 170
171 bool containsAttributeNodes = false; 171 bool containsAttributeNodes = false;
172 172
173 WillBeHeapVector<NodeSetVector> parentMatrix(nodeCount); 173 HeapVector<NodeSetVector> parentMatrix(nodeCount);
174 for (unsigned i = 0; i < nodeCount; ++i) { 174 for (unsigned i = 0; i < nodeCount; ++i) {
175 NodeSetVector& parentsVector = parentMatrix[i]; 175 NodeSetVector& parentsVector = parentMatrix[i];
176 Node* n = m_nodes[i].get(); 176 Node* n = m_nodes[i].get();
177 parentsVector.append(n); 177 parentsVector.append(n);
178 if (n->isAttributeNode()) { 178 if (n->isAttributeNode()) {
179 n = toAttr(n)->ownerElement(); 179 n = toAttr(n)->ownerElement();
180 parentsVector.append(n); 180 parentsVector.append(n);
181 containsAttributeNodes = true; 181 containsAttributeNodes = true;
182 } 182 }
183 for (n = n->parentNode(); n; n = n->parentNode()) 183 for (n = n->parentNode(); n; n = n->parentNode())
184 parentsVector.append(n); 184 parentsVector.append(n);
185 } 185 }
186 sortBlock(0, nodeCount, parentMatrix, containsAttributeNodes); 186 sortBlock(0, nodeCount, parentMatrix, containsAttributeNodes);
187 187
188 // It is not possible to just assign the result to m_nodes, because some 188 // It is not possible to just assign the result to m_nodes, because some
189 // nodes may get dereferenced and destroyed. 189 // nodes may get dereferenced and destroyed.
190 WillBeHeapVector<RefPtrWillBeMember<Node>> sortedNodes; 190 HeapVector<Member<Node>> sortedNodes;
191 sortedNodes.reserveInitialCapacity(nodeCount); 191 sortedNodes.reserveInitialCapacity(nodeCount);
192 for (unsigned i = 0; i < nodeCount; ++i) 192 for (unsigned i = 0; i < nodeCount; ++i)
193 sortedNodes.append(parentMatrix[i][0]); 193 sortedNodes.append(parentMatrix[i][0]);
194 194
195 const_cast<WillBeHeapVector<RefPtrWillBeMember<Node>>&>(m_nodes).swap(sorted Nodes); 195 const_cast<HeapVector<Member<Node>>&>(m_nodes).swap(sortedNodes);
196 } 196 }
197 197
198 static Node* findRootNode(Node* node) 198 static Node* findRootNode(Node* node)
199 { 199 {
200 if (node->isAttributeNode()) 200 if (node->isAttributeNode())
201 node = toAttr(node)->ownerElement(); 201 node = toAttr(node)->ownerElement();
202 if (node->inDocument()) { 202 if (node->inDocument()) {
203 node = &node->document(); 203 node = &node->document();
204 } else { 204 } else {
205 while (Node* parent = node->parentNode()) 205 while (Node* parent = node->parentNode())
206 node = parent; 206 node = parent;
207 } 207 }
208 return node; 208 return node;
209 } 209 }
210 210
211 void NodeSet::traversalSort() const 211 void NodeSet::traversalSort() const
212 { 212 {
213 WillBeHeapHashSet<RawPtrWillBeMember<Node>> nodes; 213 HeapHashSet<Member<Node>> nodes;
214 bool containsAttributeNodes = false; 214 bool containsAttributeNodes = false;
215 215
216 unsigned nodeCount = m_nodes.size(); 216 unsigned nodeCount = m_nodes.size();
217 ASSERT(nodeCount > 1); 217 ASSERT(nodeCount > 1);
218 for (unsigned i = 0; i < nodeCount; ++i) { 218 for (unsigned i = 0; i < nodeCount; ++i) {
219 Node* node = m_nodes[i].get(); 219 Node* node = m_nodes[i].get();
220 nodes.add(node); 220 nodes.add(node);
221 if (node->isAttributeNode()) 221 if (node->isAttributeNode())
222 containsAttributeNodes = true; 222 containsAttributeNodes = true;
223 } 223 }
224 224
225 WillBeHeapVector<RefPtrWillBeMember<Node>> sortedNodes; 225 HeapVector<Member<Node>> sortedNodes;
226 sortedNodes.reserveInitialCapacity(nodeCount); 226 sortedNodes.reserveInitialCapacity(nodeCount);
227 227
228 for (Node& n : NodeTraversal::startsAt(findRootNode(m_nodes.first().get()))) { 228 for (Node& n : NodeTraversal::startsAt(findRootNode(m_nodes.first().get()))) {
229 if (nodes.contains(&n)) 229 if (nodes.contains(&n))
230 sortedNodes.append(&n); 230 sortedNodes.append(&n);
231 231
232 if (!containsAttributeNodes || !n.isElementNode()) 232 if (!containsAttributeNodes || !n.isElementNode())
233 continue; 233 continue;
234 234
235 Element* element = toElement(&n); 235 Element* element = toElement(&n);
236 AttributeCollection attributes = element->attributes(); 236 AttributeCollection attributes = element->attributes();
237 for (auto& attribute : attributes) { 237 for (auto& attribute : attributes) {
238 RefPtrWillBeRawPtr<Attr> attr = element->attrIfExists(attribute.name ()); 238 RawPtr<Attr> attr = element->attrIfExists(attribute.name());
239 if (attr && nodes.contains(attr.get())) 239 if (attr && nodes.contains(attr.get()))
240 sortedNodes.append(attr); 240 sortedNodes.append(attr);
241 } 241 }
242 } 242 }
243 243
244 ASSERT(sortedNodes.size() == nodeCount); 244 ASSERT(sortedNodes.size() == nodeCount);
245 const_cast<WillBeHeapVector<RefPtrWillBeMember<Node>>&>(m_nodes).swap(sorted Nodes); 245 const_cast<HeapVector<Member<Node>>&>(m_nodes).swap(sortedNodes);
246 } 246 }
247 247
248 void NodeSet::reverse() 248 void NodeSet::reverse()
249 { 249 {
250 if (m_nodes.isEmpty()) 250 if (m_nodes.isEmpty())
251 return; 251 return;
252 252
253 unsigned from = 0; 253 unsigned from = 0;
254 unsigned to = m_nodes.size() - 1; 254 unsigned to = m_nodes.size() - 1;
255 while (from < to) { 255 while (from < to) {
(...skipping 17 matching lines...) Expand all
273 Node* NodeSet::anyNode() const 273 Node* NodeSet::anyNode() const
274 { 274 {
275 if (isEmpty()) 275 if (isEmpty())
276 return nullptr; 276 return nullptr;
277 277
278 return m_nodes.at(0).get(); 278 return m_nodes.at(0).get();
279 } 279 }
280 280
281 } // namespace XPath 281 } // namespace XPath
282 } // namespace blink 282 } // namespace blink
OLDNEW
« no previous file with comments | « third_party/WebKit/Source/core/xml/XPathNodeSet.h ('k') | third_party/WebKit/Source/core/xml/XPathPath.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698