Example #1
0
PassRefPtr<StaticNodeList> createSelectorNodeList(PassRefPtr<Node> rootNode, CSSSelector* querySelector)
{
    Vector<RefPtr<Node> > nodes;
    Document* document = rootNode->document();
    AtomicString selectorValue = querySelector->m_value;

    if (!querySelector->next() && querySelector->m_match == CSSSelector::Id && !document->containsMultipleElementsWithId(selectorValue)) {
        Element* element = document->getElementById(selectorValue);
        if (element && (rootNode->isDocumentNode() || element->isDescendantOf(rootNode.get())))
            nodes.append(element);
    } else {
        CSSStyleSelector::SelectorChecker selectorChecker(document, !document->inCompatMode());
        
        for (Node* n = rootNode->firstChild(); n; n = n->traverseNextNode(rootNode.get())) {
            if (n->isElementNode()) {
                Element* element = static_cast<Element*>(n);
                for (CSSSelector* selector = querySelector; selector; selector = selector->next()) {
                    if (selectorChecker.checkSelector(selector, element)) {
                        nodes.append(n);
                        break;
                    }
                }
            }
        }
    }
    
    return StaticNodeList::adopt(nodes);
}
Example #2
0
static inline bool checkOneSelector(const CSSSelector& selector, const Vector<RawPtr<Node>, 32>& siblings, int nth)
{
    Element* element = toElement(siblings[nth]);
    SelectorChecker selectorChecker(element->document(), SelectorChecker::QueryingRules);
    SelectorChecker::SelectorCheckingContext context(selector, element);
    return selectorChecker.match(context);
}
Example #3
0
static inline bool checkOneSelector(const CSSSelector& selector, const WillBeHeapVector<RawPtrWillBeMember<Node>, 32>& siblings, int nth)
{
    Element* element = toElement(siblings[nth]);
    SelectorChecker selectorChecker(element->document(), SelectorChecker::CollectingCSSRules);
    SelectorChecker::SelectorCheckingContext context(selector, element, SelectorChecker::VisitedMatchEnabled);
    ShadowDOMSiblingTraversalStrategy strategy(siblings, nth);
    return selectorChecker.match(context, strategy) == SelectorChecker::SelectorMatches;
}
inline bool SelectorDataList::selectorMatches(const SelectorData& selectorData, Element& element, const ContainerNode& rootNode) const
{
    SelectorChecker selectorChecker(element.document());
    SelectorChecker::CheckingContext selectorCheckingContext(SelectorChecker::Mode::QueryingRules);
    selectorCheckingContext.scope = rootNode.isDocumentNode() ? nullptr : &rootNode;
    unsigned ignoredSpecificity;
    return selectorChecker.match(*selectorData.selector, element, selectorCheckingContext, ignoredSpecificity);
}
Example #5
0
inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const ContainerNode* scope, SelectorChecker::ContextFlags contextFlags)
{
    SelectorChecker selectorChecker(m_context.element()->document(), m_mode);
    SelectorChecker::SelectorCheckingContext context(ruleData.selector(), m_context.element());
    context.elementStyle = m_style.get();
    context.scope = scope;
    context.contextFlags = contextFlags;
    return selectorChecker.match(context);
}
Example #6
0
inline bool SelectorDataList::selectorMatches(const CSSSelector& selector, Element& element, const ContainerNode& rootNode) const
{
    SelectorChecker selectorChecker(SelectorChecker::QueryingRules);
    SelectorChecker::SelectorCheckingContext selectorCheckingContext(&element, SelectorChecker::VisitedMatchDisabled);
    selectorCheckingContext.selector = &selector;
    selectorCheckingContext.scope = !rootNode.isDocumentNode() ? &rootNode : nullptr;
    if (selectorCheckingContext.scope)
        selectorCheckingContext.scopeContainsLastMatchedElement = true;
    return selectorChecker.match(selectorCheckingContext);
}
Example #7
0
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;
}
Example #8
0
inline Element* SelectorDataList::selectorClosest(const SelectorData& selectorData, Element& element, const ContainerNode& rootNode) const
{
    SelectorChecker selectorChecker(element.document());
    SelectorChecker::CheckingContext selectorCheckingContext(SelectorChecker::Mode::QueryingRules);
    selectorCheckingContext.scope = rootNode.isDocumentNode() ? nullptr : &rootNode;
    Element* currentNode = &element;
    unsigned ignoredSpecificity;
    if (!selectorChecker.match(selectorData.selector, currentNode, selectorCheckingContext, ignoredSpecificity))
        return nullptr;
    return currentNode;
}
Example #9
0
bool SelectorDataList::matches(Element* targetElement) const
{
    ASSERT(targetElement);

    SelectorChecker selectorChecker(targetElement->document(), SelectorChecker::ResolvingStyle);
    unsigned selectorCount = m_selectors.size();
    for (unsigned i = 0; i < selectorCount; ++i) {
        if (selectorChecker.matches(m_selectors[i].selector, targetElement, m_selectors[i].isFastCheckable))
            return true;
    }

    return false;
}
Example #10
0
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.scope = rootNode.isDocumentNode() ? nullptr : &rootNode;
    return selectorChecker.match(selectorCheckingContext);
}
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) == SelectorChecker::SelectorMatches;
}
Example #13
0
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;
}
Example #14
0
void SelectorDataList::execute(Node* rootNode, Vector<RefPtr<Node> >& matchedElements) const
{
    SelectorChecker selectorChecker(rootNode->document(), SelectorChecker::QueryingRules);

    if (canUseIdLookup(rootNode)) {
        ASSERT(m_selectors.size() == 1);
        const CSSSelector* selector = m_selectors[0].selector;
        Element* element = rootNode->treeScope()->getElementById(selector->value());
        if (!element || !(isTreeScopeRoot(rootNode) || element->isDescendantOf(rootNode)))
            return;
        if (selectorChecker.matches(m_selectors[0].selector, element, m_selectors[0].isFastCheckable))
            matchedElements.append(element);
        return;
    }

    unsigned selectorCount = m_selectors.size();

    Node* n = rootNode->firstChild();
    while (n) {
        if (n->isElementNode()) {
            Element* element = static_cast<Element*>(n);
            for (unsigned i = 0; i < selectorCount; ++i) {
                if (selectorChecker.matches(m_selectors[i].selector, element, m_selectors[i].isFastCheckable)) {
                    matchedElements.append(element);
                    if (firstMatchOnly)
                        return;
                    break;
                }
            }
            if (element->firstChild()) {
                n = element->firstChild();
                continue;
            }
        }
        while (!n->nextSibling()) {
            n = n->parentNode();
            if (n == rootNode)
                return;
        }
        n = n->nextSibling();
    }
}
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;
}
Example #16
0
inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, const ContainerNode* scope, PseudoId& dynamicPseudo)
{
    const StyleResolver::State& 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);
    if (match != SelectorChecker::SelectorMatches)
        return false;
    if (m_pseudoStyleRequest.pseudoId != NOPSEUDO && m_pseudoStyleRequest.pseudoId != dynamicPseudo)
        return false;
    return true;
}
Example #17
0
void ElementRuleCollector::matchHostPseudoClassRules(MatchRequest& matchRequest, StyleResolver::RuleRange& ruleRange)
{
    ASSERT(m_element.shadowRoot());

    matchRequest.treeContextOrdinal++;

    auto& shadowAuthorStyle = m_element.shadowRoot()->styleScope().resolver().ruleSets().authorStyle();
    auto& shadowHostRules = shadowAuthorStyle.hostPseudoClassRules();
    if (shadowHostRules.isEmpty())
        return;

    SelectorChecker::CheckingContext context(m_mode);
    SelectorChecker selectorChecker(m_element.document());

    for (auto& ruleData : shadowHostRules) {
        if (ruleData.rule()->properties().isEmpty() && !matchRequest.includeEmptyRules)
            continue;
        auto& selector = *ruleData.selector();
        unsigned specificity = 0;
        if (!selectorChecker.matchHostPseudoClass(selector, m_element, context, specificity))
            continue;
        addMatchedRule(ruleData, specificity, matchRequest.treeContextOrdinal, ruleRange);
    }
}
Example #18
0
PassRefPtr<Element> SelectorQuery::queryFirst(Node* rootNode) const
{
    SelectorChecker selectorChecker(rootNode->document());
    selectorChecker.setMode(SelectorChecker::QueryingRules);
    return m_selectors.queryFirst(selectorChecker, rootNode);
}
Example #19
0
bool SelectorQuery::matches(Element* element) const
{
    SelectorChecker selectorChecker(element->document());
    return m_selectors.matches(selectorChecker, element);
}
Example #20
0
inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, unsigned& specificity)
{
    // We know a sufficiently simple single part selector matches simply because we found it from the rule hash when filtering the RuleSet.
    // This is limited to HTML only so we don't need to check the namespace (because of tag name match).
    MatchBasedOnRuleHash matchBasedOnRuleHash = ruleData.matchBasedOnRuleHash();
    if (matchBasedOnRuleHash != MatchBasedOnRuleHash::None && m_element.isHTMLElement()) {
        ASSERT_WITH_MESSAGE(m_pseudoStyleRequest.pseudoId == NOPSEUDO, "If we match based on the rule hash while collecting for a particular pseudo element ID, we would add incorrect rules for that pseudo element ID. We should never end in ruleMatches() with a pseudo element if the ruleData cannot match any pseudo element.");

        switch (matchBasedOnRuleHash) {
        case MatchBasedOnRuleHash::None:
            ASSERT_NOT_REACHED();
            break;
        case MatchBasedOnRuleHash::Universal:
            specificity = 0;
            break;
        case MatchBasedOnRuleHash::ClassA:
            specificity = static_cast<unsigned>(SelectorSpecificityIncrement::ClassA);
            break;
        case MatchBasedOnRuleHash::ClassB:
            specificity = static_cast<unsigned>(SelectorSpecificityIncrement::ClassB);
            break;
        case MatchBasedOnRuleHash::ClassC:
            specificity = static_cast<unsigned>(SelectorSpecificityIncrement::ClassC);
            break;
        }
        return true;
    }

#if ENABLE(CSS_SELECTOR_JIT)
    void* compiledSelectorChecker = ruleData.compiledSelectorCodeRef().code().executableAddress();
    if (!compiledSelectorChecker && ruleData.compilationStatus() == SelectorCompilationStatus::NotCompiled) {
        JSC::VM& vm = m_element.document().scriptExecutionContext()->vm();
        SelectorCompilationStatus compilationStatus;
        JSC::MacroAssemblerCodeRef compiledSelectorCodeRef;
        compilationStatus = SelectorCompiler::compileSelector(ruleData.selector(), &vm, SelectorCompiler::SelectorContext::RuleCollector, compiledSelectorCodeRef);

        ruleData.setCompiledSelector(compilationStatus, compiledSelectorCodeRef);
        compiledSelectorChecker = ruleData.compiledSelectorCodeRef().code().executableAddress();
    }

    if (compiledSelectorChecker && ruleData.compilationStatus() == SelectorCompilationStatus::SimpleSelectorChecker) {
        SelectorCompiler::RuleCollectorSimpleSelectorChecker selectorChecker = SelectorCompiler::ruleCollectorSimpleSelectorCheckerFunction(compiledSelectorChecker, ruleData.compilationStatus());
#if !ASSERT_MSG_DISABLED
        unsigned ignoreSpecificity;
        ASSERT_WITH_MESSAGE(!selectorChecker(&m_element, &ignoreSpecificity) || m_pseudoStyleRequest.pseudoId == NOPSEUDO, "When matching pseudo elements, we should never compile a selector checker without context unless it cannot match anything.");
#endif
#if CSS_SELECTOR_JIT_PROFILING
        ruleData.compiledSelectorUsed();
#endif
        bool selectorMatches = selectorChecker(&m_element, &specificity);

        if (selectorMatches && ruleData.containsUncommonAttributeSelector())
            m_didMatchUncommonAttributeSelector = true;

        return selectorMatches;
    }
#endif // ENABLE(CSS_SELECTOR_JIT)

    SelectorChecker::CheckingContext context(m_mode);
    context.pseudoId = m_pseudoStyleRequest.pseudoId;
    context.scrollbar = m_pseudoStyleRequest.scrollbar;
    context.scrollbarPart = m_pseudoStyleRequest.scrollbarPart;

    bool selectorMatches;
#if ENABLE(CSS_SELECTOR_JIT)
    if (compiledSelectorChecker) {
        ASSERT(ruleData.compilationStatus() == SelectorCompilationStatus::SelectorCheckerWithCheckingContext);

        SelectorCompiler::RuleCollectorSelectorCheckerWithCheckingContext selectorChecker = SelectorCompiler::ruleCollectorSelectorCheckerFunctionWithCheckingContext(compiledSelectorChecker, ruleData.compilationStatus());

#if CSS_SELECTOR_JIT_PROFILING
        ruleData.compiledSelectorUsed();
#endif
        selectorMatches = selectorChecker(&m_element, &context, &specificity);
    } else
#endif // ENABLE(CSS_SELECTOR_JIT)
    {
        auto* selector = ruleData.selector();
        if (m_isMatchingSlottedPseudoElements) {
            selector = findSlottedPseudoElementSelector(ruleData.selector());
            if (!selector)
                return false;
        }
        // Slow path.
        SelectorChecker selectorChecker(m_element.document());
        selectorMatches = selectorChecker.match(*selector, m_element, context, specificity);
    }

    if (ruleData.containsUncommonAttributeSelector()) {
        if (selectorMatches || context.pseudoIDSet)
            m_didMatchUncommonAttributeSelector = true;
    }
    m_matchedPseudoElementIds.merge(context.pseudoIDSet);
    m_styleRelations.appendVector(context.styleRelations);

    return selectorMatches;
}
Example #21
0
inline bool ElementRuleCollector::ruleMatches(const RuleData& ruleData, PseudoId& dynamicPseudo)
{
    bool fastCheckableSelector = ruleData.hasFastCheckableSelector();
    if (fastCheckableSelector) {
        // 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() && m_element.isHTMLElement()) {
            if (!ruleData.hasMultipartSelector())
                return true;
        }
    }

#if ENABLE(CSS_SELECTOR_JIT)
    void* compiledSelectorChecker = ruleData.compiledSelectorCodeRef().code().executableAddress();
    if (!compiledSelectorChecker && ruleData.compilationStatus() == SelectorCompilationStatus::NotCompiled) {
        JSC::VM* vm = m_element.document().scriptExecutionContext()->vm();
        SelectorCompilationStatus compilationStatus;
        JSC::MacroAssemblerCodeRef compiledSelectorCodeRef;
        compilationStatus = SelectorCompiler::compileSelector(ruleData.selector(), vm, SelectorCompiler::SelectorContext::RuleCollector, compiledSelectorCodeRef);

        ruleData.setCompiledSelector(compilationStatus, compiledSelectorCodeRef);
        compiledSelectorChecker = ruleData.compiledSelectorCodeRef().code().executableAddress();
    }
    if (compiledSelectorChecker) {
        if (m_pseudoStyleRequest.pseudoId != NOPSEUDO)
            return false;

        if (ruleData.compilationStatus() == SelectorCompilationStatus::SimpleSelectorChecker) {
            SelectorCompiler::SimpleSelectorChecker selectorChecker = SelectorCompiler::simpleSelectorCheckerFunction(compiledSelectorChecker, ruleData.compilationStatus());
            return selectorChecker(&m_element);
        }
        ASSERT(ruleData.compilationStatus() == SelectorCompilationStatus::SelectorCheckerWithCheckingContext);

        SelectorCompiler::SelectorCheckerWithCheckingContext selectorChecker = SelectorCompiler::selectorCheckerFunctionWithCheckingContext(compiledSelectorChecker, ruleData.compilationStatus());
        SelectorCompiler::CheckingContext context;
        context.elementStyle = m_style;
        context.resolvingMode = m_mode;
        return selectorChecker(&m_element, &context);
    }
#endif // ENABLE(CSS_SELECTOR_JIT)

    if (fastCheckableSelector) {
        if (ruleData.selector()->m_match == CSSSelector::Tag && !SelectorChecker::tagMatches(&m_element, ruleData.selector()->tagQName()))
            return false;
        SelectorCheckerFastPath selectorCheckerFastPath(ruleData.selector(), &m_element);
        if (!selectorCheckerFastPath.matchesRightmostAttributeSelector())
            return false;

        return selectorCheckerFastPath.matches();
    }

    // Slow path.
    SelectorChecker selectorChecker(m_element.document(), m_mode);
    SelectorChecker::SelectorCheckingContext context(ruleData.selector(), &m_element, SelectorChecker::VisitedMatchEnabled);
    context.elementStyle = m_style;
    context.pseudoId = m_pseudoStyleRequest.pseudoId;
    context.scrollbar = m_pseudoStyleRequest.scrollbar;
    context.scrollbarPart = m_pseudoStyleRequest.scrollbarPart;
    if (!selectorChecker.match(context, dynamicPseudo))
        return false;
    if (m_pseudoStyleRequest.pseudoId != NOPSEUDO && m_pseudoStyleRequest.pseudoId != dynamicPseudo)
        return false;
    return true;
}
Example #22
0
PassRefPtr<NodeList> SelectorQuery::queryAll(Node* rootNode) const
{
    SelectorChecker selectorChecker(rootNode->document(), !rootNode->document()->inQuirksMode());
    selectorChecker.setMode(SelectorChecker::QueryingRules);
    return m_selectors.queryAll(selectorChecker, rootNode);
}