C++ QualifiedName类代码示例

void SVGStyledElement::synchronizeProperty(const QualifiedName& attrName)
{
    SVGElement::synchronizeProperty(attrName);

    if (attrName == anyQName() || attrName.matches(HTMLNames::classAttr))
        synchronizeClassName();
}

void AXObjectCache::handleAttributeChanged(const QualifiedName& attrName, Element* element)
{
    if (attrName == roleAttr)
        handleAriaRoleChanged(element);
    else if (attrName == altAttr || attrName == titleAttr)
        textChanged(element);
    else if (attrName == forAttr && element->hasTagName(labelTag))
        labelChanged(element);

    if (!attrName.localName().string().startsWith("aria-"))
        return;

    if (attrName == aria_activedescendantAttr)
        handleActiveDescendantChanged(element);
    else if (attrName == aria_valuenowAttr || attrName == aria_valuetextAttr)
        postNotification(element, AXObjectCache::AXValueChanged, true);
    else if (attrName == aria_labelAttr || attrName == aria_labeledbyAttr || attrName == aria_labelledbyAttr)
        textChanged(element);
    else if (attrName == aria_checkedAttr)
        checkedStateChanged(element);
    else if (attrName == aria_selectedAttr)
        selectedChildrenChanged(element);
    else if (attrName == aria_expandedAttr)
        handleAriaExpandedChange(element);
    else if (attrName == aria_hiddenAttr)
        childrenChanged(element->parentNode());
    else if (attrName == aria_invalidAttr)
        postNotification(element, AXObjectCache::AXInvalidStatusChanged, true);
    else
        postNotification(element, AXObjectCache::AXAriaAttributeChanged, true);
}

void SVGStyledElement::svgAttributeChanged(const QualifiedName& attrName)
{
    SVGElement::svgAttributeChanged(attrName);

    if (attrName.matches(HTMLNames::classAttr))
        classAttributeChanged(className());

    RenderObject* object = renderer();

    if (attrName == idAttributeName()) {
        // Notify resources about id changes, this is important as we cache resources by id in SVGDocumentExtensions
        if (object && object->isSVGResourceContainer())
            object->toRenderSVGResourceContainer()->idChanged();
    }

    if (!document()->parsing() && object) {
        // If we're the child of a resource element, tell the resource (and eventually its resources) that we've changed.
        invalidateResourcesInAncestorChain();

        // If we're referencing resources, tell them we've changed.
        deregisterFromResources(object);
    }

    // Invalidate all SVGElementInstances associated with us
    SVGElementInstance::invalidateAllInstancesOfElement(this);
}

static CSSPropertyID cssPropertyIdForFontFaceAttributeName(const QualifiedName& attrName)
{
    if (!attrName.namespaceURI().isNull())
        return CSSPropertyInvalid;

    static HashMap<StringImpl*, CSSPropertyID>* propertyNameToIdMap = 0;
    if (!propertyNameToIdMap) {
        propertyNameToIdMap = new HashMap<StringImpl*, CSSPropertyID>;
        // This is a list of all @font-face CSS properties which are exposed as SVG XML attributes
        // Those commented out are not yet supported by WebCore's style system
        // mapAttributeToCSSProperty(propertyNameToIdMap, accent_heightAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, alphabeticAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, ascentAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, bboxAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, cap_heightAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, descentAttr);
        mapAttributeToCSSProperty(propertyNameToIdMap, font_familyAttr);
        mapAttributeToCSSProperty(propertyNameToIdMap, font_sizeAttr);
        mapAttributeToCSSProperty(propertyNameToIdMap, font_stretchAttr);
        mapAttributeToCSSProperty(propertyNameToIdMap, font_styleAttr);
        mapAttributeToCSSProperty(propertyNameToIdMap, font_variantAttr);
        mapAttributeToCSSProperty(propertyNameToIdMap, font_weightAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, hangingAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, ideographicAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, mathematicalAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, overline_positionAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, overline_thicknessAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, panose_1Attr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, slopeAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, stemhAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, stemvAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, strikethrough_positionAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, strikethrough_thicknessAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, underline_positionAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, underline_thicknessAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, unicode_rangeAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, units_per_emAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, v_alphabeticAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, v_hangingAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, v_ideographicAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, v_mathematicalAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, widthsAttr);
        // mapAttributeToCSSProperty(propertyNameToIdMap, x_heightAttr);
    }

    return propertyNameToIdMap->get(attrName.localName().impl());
}

QualifiedName * CmpSqlSession::updateVolatileQualifiedName(const NAString &inName)
{
  QualifiedName *result = NULL;

  if (volatileSchemaInUse_)
    {
      result = new (heap_) 
	QualifiedName(inName,
		      volatileSchemaName(), volatileCatalogName(), heap_);

      CMPASSERT(result);

      result->setIsVolatile(TRUE);
    }

  return result;
}

void CustomElementReactionQueue::enqueueAttributeChangedCallbackIfNeeded(Element& element, const QualifiedName& attributeName, const AtomicString& oldValue, const AtomicString& newValue)
{
    ASSERT(element.isDefinedCustomElement());
    ASSERT(element.document().refCount() > 0);
    auto& queue = CustomElementReactionStack::ensureCurrentQueue(element);
    if (queue.m_interface->observesAttribute(attributeName.localName()))
        queue.m_items.append({attributeName, oldValue, newValue});
}

void SVGAnimationElement::setTargetAttributeAnimatedValue(const String& value)
{
    if (!hasValidAttributeType())
        return;
    SVGElement* targetElement = this->targetElement();
    QualifiedName attributeName = this->attributeName();
    if (!targetElement || attributeName == anyQName() || value.isNull())
        return;

    // We don't want the instance tree to get rebuild. Instances are updated in the loop below.
    if (targetElement->isStyled())
        static_cast<SVGStyledElement*>(targetElement)->setInstanceUpdatesBlocked(true);
        
    bool attributeIsCSSProperty = isTargetAttributeCSSProperty(targetElement, attributeName);
    // Stop animation, if attributeType is set to CSS by the user, but the attribute itself is not a CSS property.
    if (!attributeIsCSSProperty && attributeType() == AttributeTypeCSS)
        return;

    ExceptionCode ec;
    if (attributeIsCSSProperty) {
        // FIXME: This should set the override style, not the inline style.
        // Sadly override styles are not yet implemented.
        targetElement->style()->setProperty(attributeName.localName(), value, "", ec);
    } else {
        // FIXME: This should set the 'presentation' value, not the actual 
        // attribute value. Whatever that means in practice.
        targetElement->setAttribute(attributeName, value, ec);
    }
    
    if (targetElement->isStyled())
        static_cast<SVGStyledElement*>(targetElement)->setInstanceUpdatesBlocked(false);
    
    // If the target element is used in an <use> instance tree, update that as well.
    const HashSet<SVGElementInstance*>& instances = targetElement->instancesForElement();
    const HashSet<SVGElementInstance*>::const_iterator end = instances.end();
    for (HashSet<SVGElementInstance*>::const_iterator it = instances.begin(); it != end; ++it) {
        SVGElement* shadowTreeElement = (*it)->shadowTreeElement();
        if (!shadowTreeElement)
            continue;
        if (attributeIsCSSProperty)
            shadowTreeElement->style()->setProperty(attributeName.localName(), value, "", ec);
        else
            shadowTreeElement->setAttribute(attributeName, value, ec);
        (*it)->correspondingUseElement()->setNeedsStyleRecalc();
    }
}

void ScriptCustomElementDefinition::runAttributeChangedCallback(
    Element* element,
    const QualifiedName& name,
    const AtomicString& oldValue,
    const AtomicString& newValue) {
  if (!m_scriptState->contextIsValid())
    return;
  ScriptState::Scope scope(m_scriptState.get());
  v8::Isolate* isolate = m_scriptState->isolate();
  v8::Local<v8::Value> argv[] = {
      v8String(isolate, name.localName()), v8StringOrNull(isolate, oldValue),
      v8StringOrNull(isolate, newValue),
      v8StringOrNull(isolate, name.namespaceURI()),
  };
  runCallback(m_attributeChangedCallback.newLocal(isolate), element,
              WTF_ARRAY_LENGTH(argv), argv);
}

void Element::setBooleanAttribute(const QualifiedName& name, bool b)
{
    if (b)
        setAttribute(name, name.localName());
    else {
        ExceptionCode ex;
        removeAttribute(name, ex);
    }
}

NABoolean isHBaseMeta(const QualifiedName& qualifiedName)
{
    return
    ( HSGlobalsClass::isHBaseMeta(
           qualifiedName.getUnqualifiedSchemaNameAsAnsiString()
                                 ) ||
      isHBaseUmdHistograms(qualifiedName)
    );
}

bool SVGURIReference::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
    if (name.matches(XLinkNames::hrefAttr)) {
        setHrefBaseValue(value);
        return true;
    }

    return false;
}

PassRefPtrWillBeRawPtr<Element> CustomElementRegistrationContext::createCustomTagElement(Document& document, const QualifiedName& tagName)
{
    ASSERT(CustomElement::isValidName(tagName.localName()));

    RefPtrWillBeRawPtr<Element> element;

    if (HTMLNames::xhtmlNamespaceURI == tagName.namespaceURI()) {
        element = HTMLElement::create(tagName, document);
    } else if (SVGNames::svgNamespaceURI == tagName.namespaceURI()) {
        element = SVGUnknownElement::create(tagName, document);
    } else {
        // XML elements are not custom elements, so return early.
        return Element::create(tagName, &document);
    }

    element->setCustomElementState(Element::WaitingForUpgrade);
    resolveOrScheduleResolution(element.get(), nullAtom);
    return element.release();
}

void MarkupAccumulator::appendAttribute(StringBuilder& result, const Element& element, const Attribute& attribute, Namespaces* namespaces)
{
    bool documentIsHTML = serializeAsHTMLDocument(element);

    QualifiedName prefixedName = attribute.name();
    if (documentIsHTML && !attributeIsInSerializedNamespace(attribute)) {
        result.append(' ');
        result.append(attribute.name().localName());
    } else {
        if (attribute.namespaceURI() == XLinkNames::xlinkNamespaceURI) {
            if (!attribute.prefix())
                prefixedName.setPrefix(xlinkAtom);
        } else if (attribute.namespaceURI() == XMLNames::xmlNamespaceURI) {
            if (!attribute.prefix())
                prefixedName.setPrefix(xmlAtom);
        } else if (attribute.namespaceURI() == XMLNSNames::xmlnsNamespaceURI) {
            if (!attribute.prefix() && attribute.localName() != xmlnsAtom)
                prefixedName.setPrefix(xmlnsAtom);
            if (namespaces) { // Account for the namespace attribute we're about to append.
                const AtomicString& lookupKey = (!attribute.prefix()) ? emptyAtom : attribute.localName();
                namespaces->set(lookupKey, attribute.value());
            }
        } else if (namespaces && shouldAddNamespaceAttribute(attribute, element)) {
            if (!attribute.prefix()) {
                // This behavior is in process of being standardized. See crbug.com/248044 and https://www.w3.org/Bugs/Public/show_bug.cgi?id=24208
                String prefixPrefix("ns", 2);
                for (unsigned i = attribute.namespaceURI().impl()->existingHash(); ; ++i) {
                    AtomicString newPrefix(String(prefixPrefix + String::number(i)));
                    AtomicString foundURI = namespaces->get(newPrefix);
                    if (foundURI == attribute.namespaceURI() || foundURI == nullAtom) {
                        // We already generated a prefix for this namespace.
                        prefixedName.setPrefix(newPrefix);
                        break;
                    }
                }
            }
            ASSERT(prefixedName.prefix());
            appendNamespace(result, prefixedName.prefix(), attribute.namespaceURI(), *namespaces);
        }
        result.append(' ');
        result.append(prefixedName.toString());
    }

    result.append('=');

    if (element.isURLAttribute(attribute)) {
        appendQuotedURLAttributeValue(result, element, attribute);
    } else {
        result.append('"');
        appendAttributeValue(result, attribute.value(), documentIsHTML);
        result.append('"');
    }
}

static bool findAttributeWithName(const HTMLToken& token, const QualifiedName& name, size_t& indexOfMatchingAttribute)
{
    for (size_t i = 0; i < token.attributes().size(); ++i) {
        if (equalIgnoringNullity(token.attributes().at(i).m_name, name.localName())) {
            indexOfMatchingAttribute = i;
            return true;
        }
    }
    return false;
}

PassRefPtr<SVGElement> SVGElementFactory::createElement(const QualifiedName& name, Document& document, bool createdByParser)
{
    static NeverDestroyed<HashMap<AtomicStringImpl*, SVGConstructorFunction>> functions;
    if (functions.get().isEmpty())
        populateSVGFactoryMap(functions);
    if (SVGConstructorFunction function = functions.get().get(name.localName().impl())) {
        if (RefPtr<SVGElement> element = function(name, document, createdByParser))
            return element.release();
   }
   return SVGUnknownElement::create(name, document);
}