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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, 2012, 2013 Apple Inc.
All rights reserved. | 5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 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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30 #include "core/css/ElementRuleCollector.h" | 30 #include "core/css/ElementRuleCollector.h" |
31 | 31 |
32 #include "core/css/CSSImportRule.h" | 32 #include "core/css/CSSImportRule.h" |
33 #include "core/css/CSSKeyframesRule.h" | 33 #include "core/css/CSSKeyframesRule.h" |
34 #include "core/css/CSSMediaRule.h" | 34 #include "core/css/CSSMediaRule.h" |
35 #include "core/css/CSSRuleList.h" | 35 #include "core/css/CSSRuleList.h" |
36 #include "core/css/CSSSelector.h" | 36 #include "core/css/CSSSelector.h" |
37 #include "core/css/CSSStyleRule.h" | 37 #include "core/css/CSSStyleRule.h" |
38 #include "core/css/CSSStyleSheet.h" | 38 #include "core/css/CSSStyleSheet.h" |
39 #include "core/css/CSSSupportsRule.h" | 39 #include "core/css/CSSSupportsRule.h" |
40 #include "core/css/SelectorCheckerFastPath.h" | |
41 #include "core/css/SiblingTraversalStrategies.h" | 40 #include "core/css/SiblingTraversalStrategies.h" |
42 #include "core/css/StylePropertySet.h" | 41 #include "core/css/StylePropertySet.h" |
43 #include "core/css/resolver/StyleResolver.h" | 42 #include "core/css/resolver/StyleResolver.h" |
44 #include "core/dom/shadow/ShadowRoot.h" | 43 #include "core/dom/shadow/ShadowRoot.h" |
45 | 44 |
46 namespace WebCore { | 45 namespace WebCore { |
47 | 46 |
48 ElementRuleCollector::ElementRuleCollector(const ElementResolveContext& context, | 47 ElementRuleCollector::ElementRuleCollector(const ElementResolveContext& context, |
49 const SelectorFilter& filter, RenderStyle* style) | 48 const SelectorFilter& filter, RenderStyle* style) |
50 : m_context(context) | 49 : m_context(context) |
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252 // FIXME: Matching should not modify the style directly. | 251 // FIXME: Matching should not modify the style directly. |
253 const RuleData* ruleData = matchedRules[i].ruleData(); | 252 const RuleData* ruleData = matchedRules[i].ruleData(); |
254 if (m_style && ruleData->containsUncommonAttributeSelector()) | 253 if (m_style && ruleData->containsUncommonAttributeSelector()) |
255 m_style->setUnique(); | 254 m_style->setUnique(); |
256 m_result.addMatchedProperties(&ruleData->rule()->properties(), ruleData-
>rule(), ruleData->linkMatchType(), ruleData->propertyWhitelistType(m_matchingUA
Rules)); | 255 m_result.addMatchedProperties(&ruleData->rule()->properties(), ruleData-
>rule(), ruleData->linkMatchType(), ruleData->propertyWhitelistType(m_matchingUA
Rules)); |
257 } | 256 } |
258 } | 257 } |
259 | 258 |
260 inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const Co
ntainerNode* scope, SelectorChecker::BehaviorAtBoundary behaviorAtBoundary, Sele
ctorChecker::MatchResult* result) | 259 inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const Co
ntainerNode* scope, SelectorChecker::BehaviorAtBoundary behaviorAtBoundary, Sele
ctorChecker::MatchResult* result) |
261 { | 260 { |
262 // Scoped rules can't match because the fast path uses a pool of tag/class/i
ds, collected from | |
263 // elements in that tree and those will never match the host, since it's in
a different pool. | |
264 if (ruleData.hasFastCheckableSelector() && !scope) { | |
265 // We know this selector does not include any pseudo elements. | |
266 if (m_pseudoStyleRequest.pseudoId != NOPSEUDO) | |
267 return false; | |
268 // We know a sufficiently simple single part selector matches simply bec
ause we found it from the rule hash. | |
269 // This is limited to HTML only so we don't need to check the namespace. | |
270 ASSERT(m_context.element()); | |
271 if (ruleData.hasRightmostSelectorMatchingHTMLBasedOnRuleHash() && m_cont
ext.element()->isHTMLElement()) { | |
272 if (!ruleData.hasMultipartSelector()) | |
273 return true; | |
274 } | |
275 if (ruleData.selector().m_match == CSSSelector::Tag && !SelectorChecker:
:tagMatches(*m_context.element(), ruleData.selector().tagQName())) | |
276 return false; | |
277 SelectorCheckerFastPath selectorCheckerFastPath(ruleData.selector(), *m_
context.element()); | |
278 if (!selectorCheckerFastPath.matchesRightmostAttributeSelector()) | |
279 return false; | |
280 | |
281 return selectorCheckerFastPath.matches(); | |
282 } | |
283 | |
284 // Slow path. | |
285 SelectorChecker selectorChecker(m_context.element()->document(), m_mode); | 261 SelectorChecker selectorChecker(m_context.element()->document(), m_mode); |
286 SelectorChecker::SelectorCheckingContext context(ruleData.selector(), m_cont
ext.element(), SelectorChecker::VisitedMatchEnabled); | 262 SelectorChecker::SelectorCheckingContext context(ruleData.selector(), m_cont
ext.element(), SelectorChecker::VisitedMatchEnabled); |
287 context.elementStyle = m_style.get(); | 263 context.elementStyle = m_style.get(); |
288 context.scope = scope; | 264 context.scope = scope; |
289 context.pseudoId = m_pseudoStyleRequest.pseudoId; | 265 context.pseudoId = m_pseudoStyleRequest.pseudoId; |
290 context.scrollbar = m_pseudoStyleRequest.scrollbar; | 266 context.scrollbar = m_pseudoStyleRequest.scrollbar; |
291 context.scrollbarPart = m_pseudoStyleRequest.scrollbarPart; | 267 context.scrollbarPart = m_pseudoStyleRequest.scrollbarPart; |
292 context.behaviorAtBoundary = behaviorAtBoundary; | 268 context.behaviorAtBoundary = behaviorAtBoundary; |
293 SelectorChecker::Match match = selectorChecker.match(context, DOMSiblingTrav
ersalStrategy(), result); | 269 SelectorChecker::Match match = selectorChecker.match(context, DOMSiblingTrav
ersalStrategy(), result); |
294 if (match != SelectorChecker::SelectorMatches) | 270 if (match != SelectorChecker::SelectorMatches) |
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365 // information about "scope". | 341 // information about "scope". |
366 int firstRuleIndex = -1, lastRuleIndex = -1; | 342 int firstRuleIndex = -1, lastRuleIndex = -1; |
367 RuleRange ruleRange(firstRuleIndex, lastRuleIndex); | 343 RuleRange ruleRange(firstRuleIndex, lastRuleIndex); |
368 // FIXME: Verify whether it's ok to ignore CascadeScope here. | 344 // FIXME: Verify whether it's ok to ignore CascadeScope here. |
369 collectMatchingRules(MatchRequest(ruleSet), ruleRange, SelectorChecker::Stay
sWithinTreeScope); | 345 collectMatchingRules(MatchRequest(ruleSet), ruleRange, SelectorChecker::Stay
sWithinTreeScope); |
370 | 346 |
371 return m_matchedRules && !m_matchedRules->isEmpty(); | 347 return m_matchedRules && !m_matchedRules->isEmpty(); |
372 } | 348 } |
373 | 349 |
374 } // namespace WebCore | 350 } // namespace WebCore |
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