PassRefPtr<DocumentFragment> HTMLElement::createContextualFragment(const String &html)
{
// the following is in accordance with the definition as used by IE
if (endTagRequirement() == TagStatusForbidden)
return 0;
if (hasLocalName(colTag) || hasLocalName(colgroupTag) || hasLocalName(framesetTag) ||
hasLocalName(headTag) || hasLocalName(styleTag) || hasLocalName(titleTag))
return 0;
RefPtr<DocumentFragment> fragment = new DocumentFragment(document());
if (document()->isHTMLDocument())
parseHTMLDocumentFragment(html, fragment.get());
else {
if (!parseXMLDocumentFragment(html, fragment.get(), this))
// FIXME: We should propagate a syntax error exception out here.
return 0;
}
// Exceptions are ignored because none ought to happen here.
int ignoredExceptionCode;
// we need to pop <html> and <body> elements and remove <head> to
// accommodate folks passing complete HTML documents to make the
// child of an element.
RefPtr<Node> nextNode;
for (RefPtr<Node> node = fragment->firstChild(); node; node = nextNode) {
nextNode = node->nextSibling();
if (node->hasTagName(htmlTag) || node->hasTagName(bodyTag)) {
Node *firstChild = node->firstChild();
if (firstChild)
nextNode = firstChild;
RefPtr<Node> nextChild;
for (RefPtr<Node> child = firstChild; child; child = nextChild) {
nextChild = child->nextSibling();
node->removeChild(child.get(), ignoredExceptionCode);
ASSERT(!ignoredExceptionCode);
fragment->insertBefore(child, node.get(), ignoredExceptionCode);
ASSERT(!ignoredExceptionCode);
}
fragment->removeChild(node.get(), ignoredExceptionCode);
ASSERT(!ignoredExceptionCode);
} else if (node->hasTagName(headTag)) {
fragment->removeChild(node.get(), ignoredExceptionCode);
ASSERT(!ignoredExceptionCode);
}
}
return fragment.release();
}
void HTMLElement::insertAdjacentHTML(const String& where, const String& html, ExceptionCode& ec)
{
RefPtr<DocumentFragment> fragment = document()->createDocumentFragment();
if (document()->isHTMLDocument())
parseHTMLDocumentFragment(html, fragment.get());
else {
if (!parseXMLDocumentFragment(html, fragment.get(), this))
// FIXME: We should propagate a syntax error exception out here.
return;
}
insertAdjacent(where, fragment.get(), ec);
}
static inline RefPtr<DocumentFragment> createFragmentFromSource(const String& sourceString, const String& sourceMIMEType, Document* outputDoc)
{
RefPtr<DocumentFragment> fragment = DocumentFragment::create(outputDoc);
if (sourceMIMEType == "text/html")
parseHTMLDocumentFragment(sourceString, fragment.get());
else if (sourceMIMEType == "text/plain")
fragment->addChild(Text::create(outputDoc, sourceString));
else {
bool successfulParse = parseXMLDocumentFragment(sourceString, fragment.get(), outputDoc->documentElement());
if (!successfulParse)
return 0;
}
// FIXME: Do we need to mess with URLs here?
return fragment;
}