void XMLDocumentParser::notifyFinished(CachedResource* unusedResource)
{
ASSERT_UNUSED(unusedResource, unusedResource == m_pendingScript);
ASSERT(m_pendingScript->accessCount() > 0);
ScriptSourceCode sourceCode(m_pendingScript.get());
bool errorOccurred = m_pendingScript->errorOccurred();
bool wasCanceled = m_pendingScript->wasCanceled();
m_pendingScript->removeClient(this);
m_pendingScript = 0;
RefPtr<Element> e = m_scriptElement;
m_scriptElement = 0;
ScriptElement* scriptElement = toScriptElement(e.get());
ASSERT(scriptElement);
// JavaScript can detach this parser, make sure it's kept alive even if detached.
RefPtr<XMLDocumentParser> protect(this);
if (errorOccurred)
scriptElement->dispatchErrorEvent();
else if (!wasCanceled) {
scriptElement->executeScript(sourceCode);
scriptElement->dispatchLoadEvent();
}
m_scriptElement = 0;
if (!isDetached() && !m_requestingScript)
resumeParsing();
}
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();
}
// This method is meant to match the HTML5 definition of "running a script"
// http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#running-a-script
void HTMLScriptRunner::runScript(Element* script, const TextPosition1& scriptStartPosition)
{
ASSERT(m_document);
ASSERT(!haveParsingBlockingScript());
{
InsertionPointRecord insertionPointRecord(m_host->inputStream());
NestingLevelIncrementer nestingLevelIncrementer(m_scriptNestingLevel);
ScriptElement* scriptElement = toScriptElement(script);
ASSERT(scriptElement);
if (!scriptElement->shouldExecuteAsJavaScript())
return;
if (script->hasAttribute(srcAttr)) {
if (script->hasAttribute(asyncAttr)) // Async takes precendence over defer.
return; // Asynchronous scripts handle themselves.
if (script->hasAttribute(deferAttr))
requestDeferredScript(script);
else
requestParsingBlockingScript(script);
} else {
// FIXME: We do not block inline <script> tags on stylesheets to match the
// old parser for now. When we do, the ASSERT below should be added.
// See https://bugs.webkit.org/show_bug.cgi?id=40047
// ASSERT(document()->haveStylesheetsLoaded());
ASSERT(isExecutingScript());
ScriptSourceCode sourceCode(script->textContent(), documentURLForScriptExecution(m_document), scriptStartPosition);
scriptElement->executeScript(sourceCode);
}
}
}
void XMLTokenizer::endElementNs()
{
if (m_parserStopped)
return;
if (m_parserPaused) {
m_pendingCallbacks->appendEndElementNSCallback();
return;
}
exitText();
Node* n = m_currentNode;
RefPtr<Node> parent = n->parentNode();
n->finishParsingChildren();
if (!n->isElementNode() || !m_view) {
setCurrentNode(parent.get());
return;
}
Element* element = static_cast<Element*>(n);
ScriptElement* scriptElement = toScriptElement(element);
if (!scriptElement) {
setCurrentNode(parent.get());
return;
}
// don't load external scripts for standalone documents (for now)
ASSERT(!m_pendingScript);
m_requestingScript = true;
String scriptHref = scriptElement->sourceAttributeValue();
if (!scriptHref.isEmpty()) {
// we have a src attribute
String scriptCharset = scriptElement->scriptCharset();
if ((m_pendingScript = m_doc->docLoader()->requestScript(scriptHref, scriptCharset))) {
m_scriptElement = element;
m_pendingScript->addClient(this);
// m_pendingScript will be 0 if script was already loaded and ref() executed it
if (m_pendingScript)
pauseParsing();
} else
m_scriptElement = 0;
} else
m_view->frame()->loader()->executeScript(ScriptSourceCode(scriptElement->scriptContent(), m_doc->url(), m_scriptStartLine));
m_requestingScript = false;
setCurrentNode(parent.get());
}
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();
}
// This method is meant to match the HTML5 definition of "running a script"
// http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#running-a-script
void HTMLScriptRunner::runScript(Element* script, const TextPosition1& scriptStartPosition)
{
ASSERT(m_document);
ASSERT(!haveParsingBlockingScript());
{
InsertionPointRecord insertionPointRecord(m_host->inputStream());
NestingLevelIncrementer nestingLevelIncrementer(m_scriptNestingLevel);
ScriptElement* scriptElement = toScriptElement(script);
ASSERT(scriptElement);
scriptElement->prepareScript(scriptStartPosition);
if (!scriptElement->willBeParserExecuted())
return;
if (scriptElement->willExecuteWhenDocumentFinishedParsing())
requestDeferredScript(script);
else if (scriptElement->readyToBeParserExecuted()) {
if (m_scriptNestingLevel == 1) {
m_parsingBlockingScript.setElement(script);
m_parsingBlockingScript.setStartingPosition(scriptStartPosition);
} else {
ScriptSourceCode sourceCode(script->textContent(), documentURLForScriptExecution(m_document), scriptStartPosition);
scriptElement->executeScript(sourceCode);
}
} else
requestParsingBlockingScript(script);
}
}
void XMLDocumentParser::notifyFinished(CachedResource* unusedResource)
{
ASSERT_UNUSED(unusedResource, unusedResource == m_pendingScript);
#if PLATFORM(OLYMPIA)
Settings* settings = document() ? document()->settings() : 0;
ASSERT(m_pendingScript->accessCount() > 0 || cache()->disabled() || !settings || !settings->useCache());
#else
ASSERT(m_pendingScript->accessCount() > 0);
#endif
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);
// JavaScript can detach this parser, make sure it's kept alive even if detached.
RefPtr<XMLDocumentParser> protect(this);
if (errorOccurred)
scriptElement->dispatchErrorEvent();
else {
m_view->frame()->script()->executeScript(sourceCode);
scriptElement->dispatchLoadEvent();
}
m_scriptElement = 0;
if (!isDetached() && !m_requestingScript)
resumeParsing();
}
void ScriptRunner::queueScriptForExecution(ScriptElement& scriptElement, LoadableScript& loadableScript, ExecutionType executionType)
{
ASSERT(scriptElement.element().inDocument());
m_document.incrementLoadEventDelayCount();
auto pendingScript = PendingScript::create(scriptElement, loadableScript);
switch (executionType) {
case ASYNC_EXECUTION:
m_pendingAsyncScripts.add(pendingScript.copyRef());
break;
case IN_ORDER_EXECUTION:
m_scriptsToExecuteInOrder.append(pendingScript.copyRef());
break;
}
pendingScript->setClient(*this);
}
// This method is meant to match the HTML5 definition of "running a script"
// http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#running-a-script
void HTMLScriptRunner::runScript(Element* script, const TextPosition& scriptStartPosition)
{
ASSERT(m_document);
ASSERT(!hasParserBlockingScript());
{
ScriptElement* scriptElement = toScriptElement(script);
// This contains both and ASSERTION and a null check since we should not
// be getting into the case of a null script element, but seem to be from
// time to time. The assertion is left in to help find those cases and
// is being tracked by <https://bugs.webkit.org/show_bug.cgi?id=60559>.
ASSERT(scriptElement);
if (!scriptElement)
return;
// FIXME: This may be too agressive as we always deliver mutations at
// every script element, even if it's not ready to execute yet. There's
// unfortuantely no obvious way to tell if prepareScript is going to
// execute the script from out here.
if (!isExecutingScript()) {
#if ENABLE(CUSTOM_ELEMENTS)
CustomElementRegistry::deliverAllLifecycleCallbacks();
#endif
MutationObserver::deliverAllMutations();
}
InsertionPointRecord insertionPointRecord(m_host->inputStream());
NestingLevelIncrementer nestingLevelIncrementer(m_scriptNestingLevel);
scriptElement->prepareScript(scriptStartPosition);
if (!scriptElement->willBeParserExecuted())
return;
if (scriptElement->willExecuteWhenDocumentFinishedParsing())
requestDeferredScript(script);
else if (scriptElement->readyToBeParserExecuted()) {
if (m_scriptNestingLevel == 1) {
m_parserBlockingScript.setElement(script);
m_parserBlockingScript.setStartingPosition(scriptStartPosition);
} else {
ScriptSourceCode sourceCode(script->textContent(), documentURLForScriptExecution(m_document), scriptStartPosition);
scriptElement->executeScript(sourceCode);
}
} else
requestParsingBlockingScript(script);
}
}
// This method is meant to match the HTML5 definition of "running a script"
// http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#running-a-script
void HTMLScriptRunner::runScript(Element* script, const TextPosition& scriptStartPosition)
{
ASSERT(m_document);
ASSERT(!hasParserBlockingScript());
{
ScriptElement* scriptElement = toScriptElementIfPossible(script);
// This contains both and ASSERTION and a null check since we should not
// be getting into the case of a null script element, but seem to be from
// time to time. The assertion is left in to help find those cases and
// is being tracked by <https://bugs.webkit.org/show_bug.cgi?id=60559>.
ASSERT(scriptElement);
if (!scriptElement)
return;
// FIXME: This may be too agressive as we always deliver mutations at
// every script element, even if it's not ready to execute yet. There's
// unfortuantely no obvious way to tell if prepareScript is going to
// execute the script from out here.
if (!isExecutingScript())
MicrotaskQueue::mainThreadQueue().performMicrotaskCheckpoint();
InsertionPointRecord insertionPointRecord(m_host.inputStream());
NestingLevelIncrementer nestingLevelIncrementer(m_scriptNestingLevel);
scriptElement->prepareScript(scriptStartPosition);
if (!scriptElement->willBeParserExecuted())
return;
if (scriptElement->willExecuteWhenDocumentFinishedParsing())
requestDeferredScript(script);
else if (scriptElement->readyToBeParserExecuted()) {
if (m_scriptNestingLevel == 1)
m_parserBlockingScript = PendingScript::create(*script, scriptStartPosition);
else
scriptElement->executeClassicScript(ScriptSourceCode(script->textContent(), documentURLForScriptExecution(m_document), scriptStartPosition));
} else
requestParsingBlockingScript(script);
}
}
// This method is meant to match the HTML5 definition of "running a script"
// http://www.whatwg.org/specs/web-apps/current-work/multipage/scripting-1.html#running-a-script
void HTMLScriptRunner::runScript(Element* script, const TextPosition1& scriptStartPosition)
{
ASSERT(m_document);
ASSERT(!haveParsingBlockingScript());
{
InsertionPointRecord insertionPointRecord(m_host->inputStream());
NestingLevelIncrementer nestingLevelIncrementer(m_scriptNestingLevel);
ScriptElement* scriptElement = toScriptElement(script);
// This contains both and ASSERTION and a null check since we should not
// be getting into the case of a null script element, but seem to be from
// time to time. The assertion is left in to help find those cases and
// is being tracked by <https://bugs.webkit.org/show_bug.cgi?id=60559>.
ASSERT(scriptElement);
if (!scriptElement)
return;
scriptElement->prepareScript(scriptStartPosition);
if (!scriptElement->willBeParserExecuted())
return;
if (scriptElement->willExecuteWhenDocumentFinishedParsing())
requestDeferredScript(script);
else if (scriptElement->readyToBeParserExecuted()) {
if (m_scriptNestingLevel == 1) {
m_parsingBlockingScript.setElement(script);
m_parsingBlockingScript.setStartingPosition(scriptStartPosition);
} else {
ScriptSourceCode sourceCode(script->textContent(), documentURLForScriptExecution(m_document), scriptStartPosition);
scriptElement->executeScript(sourceCode);
}
} else
requestParsingBlockingScript(script);
}
}
void XMLTokenizer::endElementNs()
{
if (m_parserStopped)
return;
if (m_parserPaused) {
m_pendingCallbacks->appendEndElementNSCallback();
return;
}
exitText();
Node* n = m_currentNode;
n->finishParsingChildren();
if (m_scriptingPermission == FragmentScriptingNotAllowed && n->isElementNode() && toScriptElement(static_cast<Element*>(n))) {
popCurrentNode();
ExceptionCode ec;
n->remove(ec);
return;
}
if (!n->isElementNode() || !m_view) {
popCurrentNode();
return;
}
Element* element = static_cast<Element*>(n);
// 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 ENABLE(XHTMLMP)
if (!scriptElement->shouldExecuteAsJavaScript())
m_doc->setShouldProcessNoscriptElement(true);
else
#endif
{
String scriptHref = scriptElement->sourceAttributeValue();
if (!scriptHref.isEmpty()) {
// we have a src attribute
String scriptCharset = scriptElement->scriptCharset();
if (element->dispatchBeforeLoadEvent(scriptHref) &&
(m_pendingScript = m_doc->docLoader()->requestScript(scriptHref, scriptCharset))) {
m_scriptElement = element;
m_pendingScript->addClient(this);
// m_pendingScript will be 0 if script was already loaded and ref() executed it
if (m_pendingScript)
pauseParsing();
} else
m_scriptElement = 0;
} else
m_view->frame()->script()->executeScript(ScriptSourceCode(scriptElement->scriptContent(), m_doc->url(), m_scriptStartLine));
}
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();
}
void HTMLScriptRunner::executeScript(Element* element, const ScriptSourceCode& sourceCode) const
{
ASSERT(m_document);
ScriptElement* scriptElement = toScriptElement(element);
ASSERT(scriptElement);
if (!scriptElement->shouldExecuteAsJavaScript())
return;
ASSERT(isExecutingScript());
if (!m_document->frame())
return;
String shouldExecuteInIsolatedWorld = element->getAttribute("worldID");
String sharedLibraryId = element->getAttribute("SharedLibId");
String UseLibId = element->getAttribute("UseLibId");
bool writable = true;
if (((Node *)element)->parentElement())
{
String ACL=((Node *)element)->parentElement()->getAttribute("ACL");
String ROACL=((Node *)element)->parentElement()->getAttribute("ROACL");
int worldID = shouldExecuteInIsolatedWorld.toInt();
bool flag = false;
bool flag2 = false;
if (worldID != 0)
{
if ((ROACL != NULL)&&(ROACL != ""))
{
Vector<WTF::String> ACLs;
ROACL.split(";",ACLs);
for (unsigned int i=0; i<ACLs.size(); i++)
{
if (worldID==ACLs[i].toInt())
{
ACLs.clear();
flag = true;
}
}
ACLs.clear();
}
if (flag == true)
{
if ((ACL != NULL)&&(ACL != ""))
{
Vector<WTF::String> ACLs;
ACL.split(";",ACLs);
for (unsigned int i=0; i<ACLs.size(); i++)
{
if (worldID==ACLs[i].toInt())
{
ACLs.clear();
flag2 = true;
}
}
ACLs.clear();
}
}
writable = flag && flag2;
}
}
if (!shouldExecuteInIsolatedWorld) shouldExecuteInIsolatedWorld="";
if (!sharedLibraryId) sharedLibraryId="";
if (!UseLibId) UseLibId="";
m_document->frame()->script()->executeScript(sourceCode, (ShouldAllowXSS) false, shouldExecuteInIsolatedWorld, sharedLibraryId, UseLibId, writable);
}
void XMLDocumentParser::endElementNs()
{
if (isStopped())
return;
if (m_parserPaused) {
m_pendingCallbacks->appendEndElementNSCallback();
return;
}
exitText();
Node* n = m_currentNode;
n->finishParsingChildren();
if (m_scriptingPermission == FragmentScriptingNotAllowed && n->isElementNode() && toScriptElement(static_cast<Element*>(n))) {
popCurrentNode();
ExceptionCode ec;
n->remove(ec);
return;
}
if (!n->isElementNode() || !m_view) {
popCurrentNode();
return;
}
Element* element = static_cast<Element*>(n);
// 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 ENABLE(XHTMLMP)
if (!scriptElement->shouldExecuteAsJavaScript())
document()->setShouldProcessNoscriptElement(true);
else
#endif
{
// FIXME: Script execution should be shared should be shared between
// the libxml2 and Qt XMLDocumentParser implementations.
// JavaScript can detach the parser. Make sure this is not released
// before the end of this method.
RefPtr<XMLDocumentParser> protect(this);
String scriptHref = scriptElement->sourceAttributeValue();
if (!scriptHref.isEmpty()) {
// we have a src attribute
String scriptCharset = scriptElement->scriptCharset();
if (element->dispatchBeforeLoadEvent(scriptHref) &&
(m_pendingScript = document()->cachedResourceLoader()->requestScript(scriptHref, scriptCharset))) {
m_scriptElement = element;
m_pendingScript->addClient(this);
// m_pendingScript will be 0 if script was already loaded and ref() executed it
if (m_pendingScript)
pauseParsing();
} else
m_scriptElement = 0;
} else
scriptElement->executeScript(ScriptSourceCode(scriptElement->scriptContent(), document()->url(), m_scriptStartPosition));
// JavaScript may have detached the parser
if (isDetached())
return;
}
m_requestingScript = false;
popCurrentNode();
}