OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) | 3 * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) |
4 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) | 4 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) |
5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
reserved. | 5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
reserved. |
6 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> | 6 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> |
7 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> | 7 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> |
8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) | 8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) |
9 * Copyright (c) 2011, Code Aurora Forum. All rights reserved. | 9 * Copyright (c) 2011, Code Aurora Forum. All rights reserved. |
10 * Copyright (C) Research In Motion Limited 2011. All rights reserved. | 10 * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
(...skipping 136 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
147 default: | 147 default: |
148 break; | 148 break; |
149 } | 149 } |
150 } | 150 } |
151 | 151 |
152 void SelectorFilter::collectIdentifierHashes(const CSSSelector& selector, unsign
ed* identifierHashes, unsigned maximumIdentifierCount) | 152 void SelectorFilter::collectIdentifierHashes(const CSSSelector& selector, unsign
ed* identifierHashes, unsigned maximumIdentifierCount) |
153 { | 153 { |
154 unsigned* hash = identifierHashes; | 154 unsigned* hash = identifierHashes; |
155 unsigned* end = identifierHashes + maximumIdentifierCount; | 155 unsigned* end = identifierHashes + maximumIdentifierCount; |
156 CSSSelector::Relation relation = selector.relation(); | 156 CSSSelector::Relation relation = selector.relation(); |
157 bool relationIsAffectedByPseudoContent = selector.relationIsAffectedByPseudo
Content(); | 157 bool relationIsAffectedByPseudoContentOrSlotted = selector.relationIsAffecte
dByPseudoContent() || selector.relationIsAffectedByPseudoSlotted(); |
158 | 158 |
159 // Skip the topmost selector. It is handled quickly by the rule hashes. | 159 // Skip the topmost selector. It is handled quickly by the rule hashes. |
160 bool skipOverSubselectors = true; | 160 bool skipOverSubselectors = true; |
161 for (const CSSSelector* current = selector.tagHistory(); current; current =
current->tagHistory()) { | 161 for (const CSSSelector* current = selector.tagHistory(); current; current =
current->tagHistory()) { |
162 // Only collect identifiers that match ancestors. | 162 // Only collect identifiers that match ancestors. |
163 switch (relation) { | 163 switch (relation) { |
164 case CSSSelector::SubSelector: | 164 case CSSSelector::SubSelector: |
165 if (!skipOverSubselectors) | 165 if (!skipOverSubselectors) |
166 collectDescendantSelectorIdentifierHashes(*current, hash); | 166 collectDescendantSelectorIdentifierHashes(*current, hash); |
167 break; | 167 break; |
168 case CSSSelector::DirectAdjacent: | 168 case CSSSelector::DirectAdjacent: |
169 case CSSSelector::IndirectAdjacent: | 169 case CSSSelector::IndirectAdjacent: |
170 skipOverSubselectors = true; | 170 skipOverSubselectors = true; |
171 break; | 171 break; |
172 case CSSSelector::Descendant: | 172 case CSSSelector::Descendant: |
173 case CSSSelector::Child: | 173 case CSSSelector::Child: |
174 if (relationIsAffectedByPseudoContent) { | 174 case CSSSelector::ShadowSlot: |
| 175 if (relationIsAffectedByPseudoContentOrSlotted) { |
175 // Disable fastRejectSelector. | 176 // Disable fastRejectSelector. |
176 *identifierHashes = 0; | 177 *identifierHashes = 0; |
177 return; | 178 return; |
178 } | 179 } |
179 // Fall through. | 180 // Fall through. |
180 case CSSSelector::ShadowPseudo: | 181 case CSSSelector::ShadowPseudo: |
181 case CSSSelector::ShadowDeep: | 182 case CSSSelector::ShadowDeep: |
182 skipOverSubselectors = false; | 183 skipOverSubselectors = false; |
183 collectDescendantSelectorIdentifierHashes(*current, hash); | 184 collectDescendantSelectorIdentifierHashes(*current, hash); |
184 break; | 185 break; |
185 } | 186 } |
186 if (hash == end) | 187 if (hash == end) |
187 return; | 188 return; |
188 relation = current->relation(); | 189 relation = current->relation(); |
189 relationIsAffectedByPseudoContent = current->relationIsAffectedByPseudoC
ontent(); | 190 relationIsAffectedByPseudoContentOrSlotted = current->relationIsAffected
ByPseudoContent() || current->relationIsAffectedByPseudoSlotted(); |
190 } | 191 } |
191 *hash = 0; | 192 *hash = 0; |
192 } | 193 } |
193 | 194 |
194 DEFINE_TRACE(SelectorFilter::ParentStackFrame) | 195 DEFINE_TRACE(SelectorFilter::ParentStackFrame) |
195 { | 196 { |
196 visitor->trace(element); | 197 visitor->trace(element); |
197 } | 198 } |
198 | 199 |
199 DEFINE_TRACE(SelectorFilter) | 200 DEFINE_TRACE(SelectorFilter) |
200 { | 201 { |
201 #if ENABLE(OILPAN) | 202 #if ENABLE(OILPAN) |
202 visitor->trace(m_parentStack); | 203 visitor->trace(m_parentStack); |
203 #endif | 204 #endif |
204 } | 205 } |
205 | 206 |
206 } | 207 } |
OLD | NEW |