void XMLDocumentParser::parseEndElement()
{
exitText();
RefPtr<ContainerNode> n = m_currentNode;
n->finishParsingChildren();
if (!scriptingContentIsAllowed(m_scriptingPermission) && n->isElementNode() && toScriptElement(static_cast<Element*>(n.get()))) {
popCurrentNode();
ExceptionCode ec;
n->remove(ec);
return;
}
if (!n->isElementNode() || !m_view) {
if (!m_currentNodeStack.isEmpty())
popCurrentNode();
return;
}
Element* element = static_cast<Element*>(n.get());
// The element's parent may have already been removed from document.
// Parsing continues in this case, but scripts aren't executed.
if (!element->inDocument()) {
popCurrentNode();
return;
}
ScriptElement* scriptElement = toScriptElement(element);
if (!scriptElement) {
popCurrentNode();
return;
}
// don't load external scripts for standalone documents (for now)
ASSERT(!m_pendingScript);
m_requestingScript = true;
if (scriptElement->prepareScript(m_scriptStartPosition, ScriptElement::AllowLegacyTypeInTypeAttribute)) {
if (scriptElement->readyToBeParserExecuted())
scriptElement->executeScript(ScriptSourceCode(scriptElement->scriptContent(), document()->url(), m_scriptStartPosition));
else if (scriptElement->willBeParserExecuted()) {
m_pendingScript = scriptElement->cachedScript();
m_scriptElement = element;
m_pendingScript->addClient(this);
// m_pendingScript will be 0 if script was already loaded and addClient() executed it.
if (m_pendingScript)
pauseParsing();
} else
m_scriptElement = 0;
}
m_requestingScript = false;
popCurrentNode();
}
void ScriptRunner::timerFired(Timer<ScriptRunner>* timer)
{
ActionLogScope log_scope("script runner timer");
ASSERT_UNUSED(timer, timer == &m_timer);
RefPtr<Document> protect(m_document);
Vector<PendingScript> scripts;
scripts.swap(m_scriptsToExecuteSoon);
size_t numInOrderScriptsToExecute = 0;
for (; numInOrderScriptsToExecute < m_scriptsToExecuteInOrder.size() && m_scriptsToExecuteInOrder[numInOrderScriptsToExecute].cachedScript()->isLoaded(); ++numInOrderScriptsToExecute)
scripts.append(m_scriptsToExecuteInOrder[numInOrderScriptsToExecute]);
if (numInOrderScriptsToExecute)
m_scriptsToExecuteInOrder.remove(0, numInOrderScriptsToExecute);
size_t size = scripts.size();
for (size_t i = 0; i < size; ++i) {
CachedScript* cachedScript = scripts[i].cachedScript();
RefPtr<Element> element = scripts[i].releaseElementAndClear();
ScriptElement* script = toScriptElement(element.get());
ActionLogFormat(ActionLog::READ_MEMORY, "ScriptRunner-%p-%p",
static_cast<void*>(this), static_cast<void*>(script));
script->execute(cachedScript);
m_document->decrementLoadEventDelayCount();
}
}
void XMLTokenizer::notifyFinished(CachedResource* unusedResource)
{
ASSERT_UNUSED(unusedResource, unusedResource == m_pendingScript);
ASSERT(m_pendingScript->accessCount() > 0);
ScriptSourceCode sourceCode(m_pendingScript.get());
bool errorOccurred = m_pendingScript->errorOccurred();
m_pendingScript->removeClient(this);
m_pendingScript = 0;
RefPtr<Element> e = m_scriptElement;
m_scriptElement = 0;
ScriptElement* scriptElement = toScriptElement(e.get());
ASSERT(scriptElement);
if (errorOccurred)
scriptElement->dispatchErrorEvent();
else {
m_view->frame()->loader()->executeScript(sourceCode);
scriptElement->dispatchLoadEvent();
}
m_scriptElement = 0;
if (!m_requestingScript)
resumeParsing();
}
void XMLDocumentParser::parseStartElement()
{
if (!m_sawFirstElement && m_parsingFragment) {
// skip dummy element for fragments
m_sawFirstElement = true;
return;
}
exitText();
String localName = m_stream.name();
String uri = m_stream.namespaceUri();
String prefix = prefixFromQName(m_stream.qualifiedName().toString());
if (m_parsingFragment && uri.isNull()) {
Q_ASSERT(prefix.isNull());
uri = m_defaultNamespaceURI;
}
QualifiedName qName(prefix, localName, uri);
RefPtr<Element> newElement = document()->createElement(qName, true);
if (!newElement) {
stopParsing();
return;
}
bool isFirstElement = !m_sawFirstElement;
m_sawFirstElement = true;
ExceptionCode ec = 0;
handleElementNamespaces(newElement.get(), m_stream.namespaceDeclarations(), ec, m_scriptingPermission);
if (ec) {
stopParsing();
return;
}
handleElementAttributes(newElement.get(), m_stream.attributes(), ec, m_scriptingPermission);
if (ec) {
stopParsing();
return;
}
ScriptElement* scriptElement = toScriptElement(newElement.get());
if (scriptElement)
m_scriptStartPosition = textPosition();
m_currentNode->parserAddChild(newElement.get());
pushCurrentNode(newElement.get());
if (m_view && !newElement->attached())
newElement->attach();
if (newElement->hasTagName(HTMLNames::htmlTag))
static_cast<HTMLHtmlElement*>(newElement.get())->insertedByParser();
if (isFirstElement && document()->frame())
document()->frame()->loader()->dispatchDocumentElementAvailable();
}
void XMLTreeBuilder::closeElement(PassRefPtr<Element> element)
{
element->finishParsingChildren();
ScriptElement* scriptElement = toScriptElement(element.get());
if (scriptElement)
m_parser->processScript(scriptElement);
popCurrentNode();
}
String HTMLOptionElement::collectOptionInnerText() const
{
StringBuilder text;
for (Node* node = firstChild(); node; ) {
if (node->isTextNode())
text.append(node->nodeValue());
// Text nodes inside script elements are not part of the option text.
if (node->isElementNode() && toScriptElement(toElement(node)))
node = node->traverseNextSibling(this);
else
node = node->traverseNextNode(this);
}
return text.toString();
}
String OptionElement::collectOptionInnerText(const Element* element)
{
String text;
Node* n = element->firstChild();
while (n) {
if (n->nodeType() == Node::TEXT_NODE || n->nodeType() == Node::CDATA_SECTION_NODE)
text += n->nodeValue();
// skip script content
if (n->isElementNode() && toScriptElement(static_cast<Element*>(n)))
n = n->traverseNextSibling(element);
else
n = n->traverseNextNode(element);
}
return text;
}
void AsyncScriptRunner::timerFired(Timer<AsyncScriptRunner>* timer)
{
ASSERT_UNUSED(timer, timer == &m_timer);
RefPtr<Document> protect(m_document);
Vector<PendingScript> scripts;
scripts.swap(m_scriptsToExecuteSoon);
size_t size = scripts.size();
for (size_t i = 0; i < size; ++i) {
CachedScript* cachedScript = scripts[i].cachedScript();
RefPtr<Element> element = scripts[i].releaseElementAndClear();
toScriptElement(element.get())->execute(cachedScript);
m_document->decrementLoadEventDelayCount();
}
}
void ScriptRunner::timerFired(Timer<ScriptRunner>* timer)
{
ASSERT_UNUSED(timer, timer == &m_timer);
RefPtr<Document> protect(m_document);
Vector<PendingScript> scripts;
scripts.swap(m_scriptsToExecuteSoon);
size_t numInOrderScriptsToExecute = 0;
for (; numInOrderScriptsToExecute < m_scriptsToExecuteInOrder.size() && m_scriptsToExecuteInOrder[numInOrderScriptsToExecute].cachedScript()->isLoaded(); ++numInOrderScriptsToExecute)
scripts.append(m_scriptsToExecuteInOrder[numInOrderScriptsToExecute]);
if (numInOrderScriptsToExecute)
m_scriptsToExecuteInOrder.remove(0, numInOrderScriptsToExecute);
size_t size = scripts.size();
for (size_t i = 0; i < size; ++i) {
CachedScript* cachedScript = scripts[i].cachedScript();
RefPtr<Element> element = scripts[i].releaseElementAndClear();
toScriptElement(element.get())->execute(cachedScript);
m_document->decrementLoadEventDelayCount();
}
}
void XMLDocumentParser::parseStartElement()
{
if (!m_sawFirstElement && m_parsingFragment) {
// skip dummy element for fragments
m_sawFirstElement = true;
return;
}
exitText();
String localName = m_stream.name();
String uri = m_stream.namespaceUri();
String prefix = prefixFromQName(m_stream.qualifiedName().toString());
if (m_parsingFragment && uri.isNull()) {
Q_ASSERT(prefix.isNull());
uri = m_defaultNamespaceURI;
}
QualifiedName qName(prefix, localName, uri);
RefPtr<Element> newElement = document()->createElement(qName, true);
if (!newElement) {
stopParsing();
return;
}
#if ENABLE(XHTMLMP)
if (!m_sawFirstElement && isXHTMLMPDocument()) {
// As per 7.1 section of OMA-WAP-XHTMLMP-V1_1-20061020-A.pdf,
// we should make sure that the root element MUST be 'html' and
// ensure the name of the default namespace on the root elment 'html'
// MUST be 'http://www.w3.org/1999/xhtml'
if (localName != HTMLNames::htmlTag.localName()) {
handleError(fatal, "XHTMLMP document expects 'html' as root element.", lineNumber(), columnNumber());
return;
}
if (uri.isNull()) {
m_defaultNamespaceURI = HTMLNames::xhtmlNamespaceURI;
uri = m_defaultNamespaceURI;
m_stream.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration(prefix, HTMLNames::xhtmlNamespaceURI));
}
}
#endif
bool isFirstElement = !m_sawFirstElement;
m_sawFirstElement = true;
ExceptionCode ec = 0;
handleElementNamespaces(newElement.get(), m_stream.namespaceDeclarations(), ec, m_scriptingPermission);
if (ec) {
stopParsing();
return;
}
handleElementAttributes(newElement.get(), m_stream.attributes(), ec, m_scriptingPermission);
if (ec) {
stopParsing();
return;
}
ScriptElement* scriptElement = toScriptElement(newElement.get());
if (scriptElement)
m_scriptStartPosition = textPositionOneBased();
m_currentNode->deprecatedParserAddChild(newElement.get());
pushCurrentNode(newElement.get());
if (m_view && !newElement->attached())
newElement->attach();
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
if (newElement->hasTagName(HTMLNames::htmlTag))
static_cast<HTMLHtmlElement*>(newElement.get())->insertedByParser();
#endif
if (isFirstElement && document()->frame())
document()->frame()->loader()->dispatchDocumentElementAvailable();
}