inline bool SelectorDataList::selectorMatches(const CSSSelector& selector, Element& element, const ContainerNode& rootNode) const
{
SelectorChecker selectorChecker(element.document(), SelectorChecker::QueryingRules);
SelectorChecker::SelectorCheckingContext selectorCheckingContext(selector, &element, SelectorChecker::VisitedMatchDisabled);
selectorCheckingContext.behaviorAtBoundary = SelectorChecker::StaysWithinTreeScope;
selectorCheckingContext.scope = !rootNode.isDocumentNode() ? &rootNode : 0;
if (selectorCheckingContext.scope)
selectorCheckingContext.behaviorAtBoundary = static_cast<SelectorChecker::BehaviorAtBoundary>(SelectorChecker::StaysWithinTreeScope | SelectorChecker::ScopeContainsLastMatchedElement);
return selectorChecker.match(selectorCheckingContext, DOMSiblingTraversalStrategy()) == SelectorChecker::SelectorMatches;
}
inline bool SelectorDataList::selectorMatches(const SelectorData& selectorData, Element& element, const ContainerNode& rootNode) const
{
if (selectorData.isFastCheckable && !element.isSVGElement()) {
SelectorCheckerFastPath selectorCheckerFastPath(selectorData.selector, element);
if (!selectorCheckerFastPath.matchesRightmostSelector(SelectorChecker::VisitedMatchDisabled))
return false;
return selectorCheckerFastPath.matches();
}
SelectorChecker selectorChecker(element.document(), SelectorChecker::QueryingRules);
SelectorChecker::SelectorCheckingContext selectorCheckingContext(selectorData.selector, &element, SelectorChecker::VisitedMatchDisabled);
selectorCheckingContext.behaviorAtBoundary = SelectorChecker::StaysWithinTreeScope;
selectorCheckingContext.scope = !rootNode.isDocumentNode() ? &rootNode : 0;
return selectorChecker.match(selectorCheckingContext, DOMSiblingTraversalStrategy()) == SelectorChecker::SelectorMatches;
}
inline bool SelectorDataList::selectorMatches(const SelectorData& selectorData, Element* element, const Node* rootNode) const
{
if (selectorData.isFastCheckable && !element->isSVGElement()) {
SelectorCheckerFastPath selectorCheckerFastPath(selectorData.selector, element);
if (!selectorCheckerFastPath.matchesRightmostSelector(SelectorChecker::VisitedMatchDisabled))
return false;
return selectorCheckerFastPath.matches();
}
SelectorChecker selectorChecker(element->document(), SelectorChecker::QueryingRules);
SelectorChecker::SelectorCheckingContext selectorCheckingContext(selectorData.selector, element, SelectorChecker::VisitedMatchDisabled);
selectorCheckingContext.behaviorAtBoundary = SelectorChecker::StaysWithinTreeScope;
selectorCheckingContext.scope = !rootNode->isDocumentNode() && rootNode->isContainerNode() ? toContainerNode(rootNode) : 0;
PseudoId ignoreDynamicPseudo = NOPSEUDO;
return selectorChecker.match(selectorCheckingContext, ignoreDynamicPseudo, DOMSiblingTraversalStrategy()) == SelectorChecker::SelectorMatches;
}
inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const ContainerNode* scope, SelectorChecker::MatchResult* result)
{
SelectorChecker selectorChecker(m_context.element()->document(), m_mode);
SelectorChecker::SelectorCheckingContext context(ruleData.selector(), m_context.element(), SelectorChecker::VisitedMatchEnabled);
context.elementStyle = m_style.get();
context.scope = scope;
context.pseudoId = m_pseudoStyleRequest.pseudoId;
context.scrollbar = m_pseudoStyleRequest.scrollbar;
context.scrollbarPart = m_pseudoStyleRequest.scrollbarPart;
context.isUARule = m_matchingUARules;
context.scopeContainsLastMatchedElement = m_scopeContainsLastMatchedElement;
SelectorChecker::Match match = selectorChecker.match(context, DOMSiblingTraversalStrategy(), result);
if (match != SelectorChecker::SelectorMatches)
return false;
if (m_pseudoStyleRequest.pseudoId != NOPSEUDO && m_pseudoStyleRequest.pseudoId != result->dynamicPseudo)
return false;
return true;
}
inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const ContainerNode* scope, PseudoId& dynamicPseudo, SelectorChecker::BehaviorAtBoundary behaviorAtBoundary)
{
// They can't match because the fast path uses a pool of tag/class/ids, collected from
// elements in that tree and those will never match the host, since it's in a different pool.
// So when adding scoped rules to RuleSet, RuleCanUseFastCheckSelector is not used.
if (ruleData.hasFastCheckableSelector()) {
// We know this selector does not include any pseudo elements.
if (m_pseudoStyleRequest.pseudoId != NOPSEUDO)
return false;
// We know a sufficiently simple single part selector matches simply because we found it from the rule hash.
// This is limited to HTML only so we don't need to check the namespace.
ASSERT(m_context.element());
if (ruleData.hasRightmostSelectorMatchingHTMLBasedOnRuleHash() && m_context.element()->isHTMLElement()) {
if (!ruleData.hasMultipartSelector())
return true;
}
if (ruleData.selector()->m_match == CSSSelector::Tag && !SelectorChecker::tagMatches(*m_context.element(), ruleData.selector()->tagQName()))
return false;
SelectorCheckerFastPath selectorCheckerFastPath(ruleData.selector(), *m_context.element());
if (!selectorCheckerFastPath.matchesRightmostAttributeSelector())
return false;
return selectorCheckerFastPath.matches();
}
// Slow path.
SelectorChecker selectorChecker(m_context.element()->document(), m_mode);
SelectorChecker::SelectorCheckingContext context(ruleData.selector(), m_context.element(), SelectorChecker::VisitedMatchEnabled);
context.elementStyle = m_style.get();
context.scope = scope;
context.pseudoId = m_pseudoStyleRequest.pseudoId;
context.scrollbar = m_pseudoStyleRequest.scrollbar;
context.scrollbarPart = m_pseudoStyleRequest.scrollbarPart;
context.behaviorAtBoundary = behaviorAtBoundary;
SelectorChecker::Match match = selectorChecker.match(context, dynamicPseudo, DOMSiblingTraversalStrategy());
if (match != SelectorChecker::SelectorMatches)
return false;
if (m_pseudoStyleRequest.pseudoId != NOPSEUDO && m_pseudoStyleRequest.pseudoId != dynamicPseudo)
return false;
return true;
}
inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const ContainerNode* scope, PseudoId& dynamicPseudo)
{
const StyleResolverState& state = m_state;
if (ruleData.hasFastCheckableSelector()) {
// We know this selector does not include any pseudo elements.
if (m_pseudoStyleRequest.pseudoId != NOPSEUDO)
return false;
// We know a sufficiently simple single part selector matches simply because we found it from the rule hash.
// This is limited to HTML only so we don't need to check the namespace.
if (ruleData.hasRightmostSelectorMatchingHTMLBasedOnRuleHash() && state.element()->isHTMLElement()) {
if (!ruleData.hasMultipartSelector())
return true;
}
if (ruleData.selector()->m_match == CSSSelector::Tag && !SelectorChecker::tagMatches(state.element(), ruleData.selector()->tagQName()))
return false;
SelectorCheckerFastPath selectorCheckerFastPath(ruleData.selector(), state.element());
if (!selectorCheckerFastPath.matchesRightmostAttributeSelector())
return false;
return selectorCheckerFastPath.matches();
}
// Slow path.
SelectorChecker selectorChecker(document(), m_mode);
SelectorChecker::SelectorCheckingContext context(ruleData.selector(), state.element(), SelectorChecker::VisitedMatchEnabled);
context.elementStyle = state.style();
context.scope = scope;
context.pseudoId = m_pseudoStyleRequest.pseudoId;
context.scrollbar = m_pseudoStyleRequest.scrollbar;
context.scrollbarPart = m_pseudoStyleRequest.scrollbarPart;
context.behaviorAtBoundary = m_behaviorAtBoundary;
SelectorChecker::Match match = selectorChecker.match(context, dynamicPseudo, DOMSiblingTraversalStrategy());
if (match != SelectorChecker::SelectorMatches)
return false;
if (m_pseudoStyleRequest.pseudoId != NOPSEUDO && m_pseudoStyleRequest.pseudoId != dynamicPseudo)
return false;
return true;
}
