void XMLTreeBuilder::processStartTag(const AtomicXMLToken& token)
{
exitText();
bool isFirstElement = !m_sawFirstElement;
m_sawFirstElement = true;
NodeStackItem top = m_currentNodeStack.last();
processNamespaces(token, top);
QualifiedName qName(token.prefix(), token.name(), top.namespaceForPrefix(token.prefix(), top.namespaceURI()));
RefPtr<Element> newElement = m_document->createElement(qName, true);
processAttributes(token, top, newElement);
newElement->beginParsingChildren();
m_currentNodeStack.last().node()->parserAddChild(newElement.get());
top.setNode(newElement);
pushCurrentNode(top);
if (!newElement->attached())
newElement->attach();
if (isFirstElement && m_document->frame())
m_document->frame()->loader()->dispatchDocumentElementAvailable();
if (token.selfClosing())
closeElement(newElement);
}
void XMLDocumentParser::parseProcessingInstruction()
{
exitText();
// ### handle exceptions
int exception = 0;
RefPtr<ProcessingInstruction> pi = document()->createProcessingInstruction(
m_stream.processingInstructionTarget(),
m_stream.processingInstructionData(), exception);
if (exception)
return;
pi->setCreatedByParser(true);
m_currentNode->deprecatedParserAddChild(pi.get());
if (m_view && !pi->attached())
pi->attach();
pi->finishParsingChildren();
if (pi->isCSS())
m_sawCSS = true;
#if ENABLE(XSLT)
m_sawXSLTransform = !m_sawFirstElement && pi->isXSL();
if (m_sawXSLTransform && !document()->transformSourceDocument())
stopParsing();
#endif
}
void XMLDocumentParser::parseComment()
{
exitText();
RefPtr<Comment> newNode = Comment::create(document(), m_stream.text());
m_currentNode->parserAppendChild(newNode.get());
}
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 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 XMLDocumentParser::parseComment()
{
exitText();
RefPtr<Node> newNode = Comment::create(document(), m_stream.text());
m_currentNode->deprecatedParserAddChild(newNode.get());
if (m_view && !newNode->attached())
newNode->attach();
}
void XMLDocumentParser::parseCdata()
{
exitText();
RefPtr<CDATASection> newNode = CDATASection::create(document(), m_stream.text());
m_currentNode->parserAppendChild(newNode.get());
if (m_view && !newNode->attached())
newNode->attach();
}
void XMLTreeBuilder::processEndTag(const AtomicXMLToken& token)
{
exitText();
RefPtr<ContainerNode> node = m_currentNodeStack.last().node();
if (!node->hasTagName(QualifiedName(token.prefix(), token.name(), m_currentNodeStack.last().namespaceForPrefix(token.prefix(), m_currentNodeStack.last().namespaceURI()))))
m_parser->stopParsing();
closeElement(toElement(node.get()));
}
void XMLTokenizer::end()
{
doEnd();
if (m_sawError)
insertErrorMessageBlock();
else {
exitText();
m_doc->updateStyleSelector();
}
setCurrentNode(0);
if (!m_parsingFragment)
m_doc->finishedParsing();
}
void XMLDocumentParser::parseProcessingInstruction()
{
exitText();
// ### handle exceptions
int exception = 0;
RefPtr<ProcessingInstruction> pi = document()->createProcessingInstruction(
m_stream.processingInstructionTarget(),
m_stream.processingInstructionData(), exception);
if (exception)
return;
pi->setCreatedByParser(true);
m_currentNode->parserAppendChild(pi.get());
pi->finishParsingChildren();
if (pi->isCSS())
m_sawCSS = true;
}
void XMLTreeBuilder::processToken(const AtomicXMLToken& token)
{
switch (token.type()) {
case XMLTokenTypes::Uninitialized:
ASSERT_NOT_REACHED();
break;
case XMLTokenTypes::ProcessingInstruction:
processProcessingInstruction(token);
break;
case XMLTokenTypes::XMLDeclaration:
processXMLDeclaration(token);
break;
case XMLTokenTypes::DOCTYPE:
processDOCTYPE(token);
break;
case XMLTokenTypes::StartTag:
processStartTag(token);
break;
case XMLTokenTypes::EndTag:
processEndTag(token);
break;
case XMLTokenTypes::CDATA:
processCDATA(token);
break;
case XMLTokenTypes::Character:
processCharacter(token);
break;
case XMLTokenTypes::Comment:
processComment(token);
break;
case XMLTokenTypes::Entity:
processEntity(token);
break;
case XMLTokenTypes::EndOfFile:
exitText();
return;
}
}
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();
}
void XMLTreeBuilder::processComment(const AtomicXMLToken& token)
{
exitText();
add(Comment::create(m_document, token.comment()));
}
void XMLTreeBuilder::processCDATA(const AtomicXMLToken& token)
{
exitText();
add(CDATASection::create(m_document, token.data()));
}
void XMLTreeBuilder::finish()
{
exitText();
}
