Example #1
0
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::endElementNs()
{
    if (isStopped())
        return;

    if (m_parserPaused) {
        m_pendingCallbacks->appendEndElementNSCallback();
        return;
    }

    // JavaScript can detach the parser.  Make sure this is not released
    // before the end of this method.
    RefPtr<XMLDocumentParser> protect(this);

    exitText();

    RefPtr<ContainerNode> n = m_currentNode;
    n->finishParsingChildren();

    if (m_scriptingPermission == FragmentScriptingNotAllowed && n->isElementNode() && toScriptElement(static_cast<Element*>(n.get()))) {
        popCurrentNode();
        ExceptionCode ec;
        n->remove(ec);
        return;
    }

    if (!n->isElementNode() || !m_view) {
        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)) {
        // FIXME: Script execution should be shared between
        // the libxml2 and Qt XMLDocumentParser implementations.

        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;

        // JavaScript may have detached the parser
        if (isDetached())
            return;
    }
    m_requestingScript = false;
    popCurrentNode();
}