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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 * (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. |
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128 default: | 128 default: |
129 break; | 129 break; |
130 } | 130 } |
131 } | 131 } |
132 | 132 |
133 void SelectorFilter::collectIdentifierHashes(const CSSSelector* selector, unsign
ed* identifierHashes, unsigned maximumIdentifierCount) | 133 void SelectorFilter::collectIdentifierHashes(const CSSSelector* selector, unsign
ed* identifierHashes, unsigned maximumIdentifierCount) |
134 { | 134 { |
135 unsigned* hash = identifierHashes; | 135 unsigned* hash = identifierHashes; |
136 unsigned* end = identifierHashes + maximumIdentifierCount; | 136 unsigned* end = identifierHashes + maximumIdentifierCount; |
137 CSSSelector::Relation relation = selector->relation(); | 137 CSSSelector::Relation relation = selector->relation(); |
| 138 bool relationIsForShadowDistributed = selector->relationIsForShadowDistribut
ed(); |
138 | 139 |
139 // Skip the topmost selector. It is handled quickly by the rule hashes. | 140 // Skip the topmost selector. It is handled quickly by the rule hashes. |
140 bool skipOverSubselectors = true; | 141 bool skipOverSubselectors = true; |
141 for (selector = selector->tagHistory(); selector; selector = selector->tagHi
story()) { | 142 for (selector = selector->tagHistory(); selector; selector = selector->tagHi
story()) { |
142 // Only collect identifiers that match ancestors. | 143 // Only collect identifiers that match ancestors. |
143 switch (relation) { | 144 switch (relation) { |
144 case CSSSelector::SubSelector: | 145 case CSSSelector::SubSelector: |
145 if (!skipOverSubselectors) | 146 if (!skipOverSubselectors) |
146 collectDescendantSelectorIdentifierHashes(selector, hash); | 147 collectDescendantSelectorIdentifierHashes(selector, hash); |
147 break; | 148 break; |
148 case CSSSelector::DirectAdjacent: | 149 case CSSSelector::DirectAdjacent: |
149 case CSSSelector::IndirectAdjacent: | 150 case CSSSelector::IndirectAdjacent: |
150 case CSSSelector::ShadowPseudo: | 151 case CSSSelector::ShadowPseudo: |
151 case CSSSelector::ShadowDistributed: | |
152 skipOverSubselectors = true; | 152 skipOverSubselectors = true; |
153 break; | 153 break; |
154 case CSSSelector::Descendant: | 154 case CSSSelector::Descendant: |
155 case CSSSelector::Child: | 155 case CSSSelector::Child: |
| 156 if (relationIsForShadowDistributed) { |
| 157 skipOverSubselectors = true; |
| 158 break; |
| 159 } |
156 skipOverSubselectors = false; | 160 skipOverSubselectors = false; |
157 collectDescendantSelectorIdentifierHashes(selector, hash); | 161 collectDescendantSelectorIdentifierHashes(selector, hash); |
158 break; | 162 break; |
159 } | 163 } |
160 if (hash == end) | 164 if (hash == end) |
161 return; | 165 return; |
162 relation = selector->relation(); | 166 relation = selector->relation(); |
| 167 relationIsForShadowDistributed = selector->relationIsForShadowDistribute
d(); |
163 } | 168 } |
164 *hash = 0; | 169 *hash = 0; |
165 } | 170 } |
166 | 171 |
167 } | 172 } |
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