void MarkupAccumulator::serializeNodesWithNamespaces(Node& targetNode, EChildrenOnly childrenOnly, const Namespaces* namespaces, Vector<QualifiedName>* tagNamesToSkip)
{
if (tagNamesToSkip) {
for (size_t i = 0; i < tagNamesToSkip->size(); ++i) {
if (targetNode.hasTagName(tagNamesToSkip->at(i)))
return;
}
}
Namespaces namespaceHash;
if (namespaces)
namespaceHash = *namespaces;
if (!childrenOnly)
appendStartTag(targetNode, &namespaceHash);
if (!(serializeAsHTMLDocument(targetNode) && elementCannotHaveEndTag(targetNode))) {
Node* current = isHTMLTemplateElement(targetNode) ? toHTMLTemplateElement(targetNode).content()->firstChild() : targetNode.firstChild();
for ( ; current; current = current->nextSibling())
serializeNodesWithNamespaces(*current, IncludeNode, &namespaceHash, tagNamesToSkip);
}
if (!childrenOnly)
appendEndTag(targetNode);
}
DocumentFragment* createFragmentForInnerOuterHTML(
const String& markup,
Element* contextElement,
ParserContentPolicy parserContentPolicy,
const char* method,
ExceptionState& exceptionState) {
DCHECK(contextElement);
Document& document = isHTMLTemplateElement(*contextElement)
? contextElement->document().ensureTemplateDocument()
: contextElement->document();
DocumentFragment* fragment = DocumentFragment::create(document);
if (document.isHTMLDocument()) {
fragment->parseHTML(markup, contextElement, parserContentPolicy);
return fragment;
}
bool wasValid =
fragment->parseXML(markup, contextElement, parserContentPolicy);
if (!wasValid) {
exceptionState.throwDOMException(SyntaxError,
"The provided markup is invalid XML, and "
"therefore cannot be inserted into an XML "
"document.");
return nullptr;
}
return fragment;
}
void HTMLConstructionSite::insertTextNode(const String& string, WhitespaceMode whitespaceMode)
{
HTMLConstructionSiteTask dummyTask(HTMLConstructionSiteTask::Insert);
dummyTask.parent = currentNode();
// FIXME: This probably doesn't need to be done both here and in insert(Task).
if (isHTMLTemplateElement(*dummyTask.parent))
dummyTask.parent = toHTMLTemplateElement(dummyTask.parent.get())->content();
// Unclear when parent != case occurs. Somehow we insert text into two separate
// nodes while processing the same Token. When it happens we have to flush the
// pending text into the task queue before making more.
if (!m_pendingText.isEmpty() && (m_pendingText.parent != dummyTask.parent))
flushPendingText();
m_pendingText.append(dummyTask.parent, string, whitespaceMode);
}
bool traverseTree(Node* rootNode, WillBeHeapVector<RawPtrWillBeMember<Node>, initialNodeVectorSize>* partiallyDependentNodes)
{
// To make each minor GC time bounded, we might need to give up
// traversing at some point for a large DOM tree. That being said,
// I could not observe the need even in pathological test cases.
for (Node& node : NodeTraversal::startsAt(rootNode)) {
if (node.containsWrapper()) {
if (!node.isV8CollectableDuringMinorGC()) {
// This node is not in the new space of V8. This indicates that
// the minor GC cannot anyway judge reachability of this DOM tree.
// Thus we give up traversing the DOM tree.
return false;
}
node.clearV8CollectableDuringMinorGC();
partiallyDependentNodes->append(&node);
}
if (ShadowRoot* shadowRoot = node.youngestShadowRoot()) {
if (!traverseTree(shadowRoot, partiallyDependentNodes))
return false;
} else if (node.isShadowRoot()) {
if (ShadowRoot* shadowRoot = toShadowRoot(node).olderShadowRoot()) {
if (!traverseTree(shadowRoot, partiallyDependentNodes))
return false;
}
}
// <template> has a |content| property holding a DOM fragment which we must traverse,
// just like we do for the shadow trees above.
if (isHTMLTemplateElement(node)) {
if (!traverseTree(toHTMLTemplateElement(node).content(), partiallyDependentNodes))
return false;
}
// Document maintains the list of imported documents through HTMLImportsController.
if (node.isDocumentNode()) {
Document& document = toDocument(node);
HTMLImportsController* controller = document.importsController();
if (controller && document == controller->master()) {
for (unsigned i = 0; i < controller->loaderCount(); ++i) {
if (!traverseTree(controller->loaderDocumentAt(i), partiallyDependentNodes))
return false;
}
}
}
}
return true;
}
static inline void insert(HTMLConstructionSiteTask& task)
{
if (isHTMLTemplateElement(*task.parent))
task.parent = toHTMLTemplateElement(task.parent.get())->content();
task.parent->parserAppendChild(task.child.get());
}
inline Document& HTMLConstructionSite::ownerDocumentForCurrentNode()
{
if (isHTMLTemplateElement(*currentNode()))
return toHTMLTemplateElement(currentElement())->content()->document();
return currentNode()->document();
}
