JSValue JSHTMLDocument::nameGetter(ExecState* exec, JSValue slotBase, PropertyName propertyName)
{
    JSHTMLDocument* thisObj = jsCast<JSHTMLDocument*>(asObject(slotBase));
    HTMLDocument* document = toHTMLDocument(thisObj->impl());

    AtomicStringImpl* atomicPropertyName = findAtomicString(propertyName);
    if (!atomicPropertyName || !document->documentNamedItemMap().contains(atomicPropertyName))
        return jsUndefined();

    if (UNLIKELY(!document->documentNamedItemMap().containsSingle(atomicPropertyName))) {
        RefPtr<HTMLCollection> collection = document->documentNamedItems(atomicPropertyName);
        ASSERT(!collection->isEmpty());
        ASSERT(!collection->hasExactlyOneItem());
        return toJS(exec, thisObj->globalObject(), WTF::getPtr(collection));
    }

    Node* node = document->documentNamedItemMap().getElementByDocumentNamedItem(atomicPropertyName, document);
    Frame* frame;
    if (node->hasTagName(iframeTag) && (frame = static_cast<HTMLIFrameElement*>(node)->contentFrame()))
        return toJS(exec, frame);

    return toJS(exec, thisObj->globalObject(), node);
}
예제 #2
0
JSValue JSHTMLDocument::nameGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
{
    JSHTMLDocument* thisObj = static_cast<JSHTMLDocument*>(asObject(slotBase));
    HTMLDocument* document = static_cast<HTMLDocument*>(thisObj->impl());

    String name = identifierToString(propertyName);
    RefPtr<HTMLCollection> collection = document->documentNamedItems(name);

    unsigned length = collection->length();
    if (!length)
        return jsUndefined();

    if (length == 1) {
        Node* node = collection->firstItem();

        Frame* frame;
        if (node->hasTagName(iframeTag) && (frame = static_cast<HTMLIFrameElement*>(node)->contentFrame()))
            return toJS(exec, frame);

        return toJS(exec, node);
    } 

    return toJS(exec, collection.get());
}
JSValue* JSHTMLDocument::nameGetter(ExecState* exec, JSObject* originalObject, const Identifier& propertyName, const PropertySlot& slot)
{
    JSHTMLDocument* thisObj = static_cast<JSHTMLDocument*>(slot.slotBase());
    HTMLDocument* doc = static_cast<HTMLDocument*>(thisObj->impl());

    String name = propertyName;
    RefPtr<HTMLCollection> collection = doc->documentNamedItems(name);

    unsigned length = collection->length();
    if (!length)
        return jsUndefined();

    if (length == 1) {
        Node* node = collection->firstItem();

        Frame* frame;
        if (node->hasTagName(iframeTag) && (frame = static_cast<HTMLIFrameElement*>(node)->contentFrame()))
            return Window::retrieve(frame);

        return toJS(exec, node);
    }

    return toJS(exec, collection.get());
}