// HTMLAllCollections are strange objects, they support both get and call. static EncodedJSValue JSC_HOST_CALL callHTMLAllCollection(ExecState* exec) { if (exec->argumentCount() < 1) return JSValue::encode(jsUndefined()); // Do not use thisObj here. It can be the JSHTMLDocument, in the document.forms(i) case. JSHTMLAllCollection* jsCollection = jsCast<JSHTMLAllCollection*>(exec->callee()); HTMLAllCollection& collection = jsCollection->impl(); // Also, do we need the TypeError test here ? if (exec->argumentCount() == 1) { // Support for document.all(<index>) etc. String string = exec->argument(0).toString(exec)->value(exec); if (Optional<uint32_t> index = parseIndex(*string.impl())) return JSValue::encode(toJS(exec, jsCollection->globalObject(), collection.item(index.value()))); // Support for document.images('<name>') etc. return JSValue::encode(namedItems(*exec, jsCollection, Identifier::fromString(exec, string))); } // The second arg, if set, is the index of the item we want String string = exec->argument(0).toString(exec)->value(exec); if (Optional<uint32_t> index = parseIndex(*exec->argument(1).toWTFString(exec).impl())) { if (auto* item = collection.namedItemWithIndex(string, index.value())) return JSValue::encode(toJS(exec, jsCollection->globalObject(), item)); } return JSValue::encode(jsUndefined()); }
JSValue jsHTMLAllCollectionLength(ExecState* exec, JSValue slotBase, const Identifier&) { JSHTMLAllCollection* castedThis = static_cast<JSHTMLAllCollection*>(asObject(slotBase)); UNUSED_PARAM(exec); HTMLAllCollection* imp = static_cast<HTMLAllCollection*>(castedThis->impl()); JSValue result = jsNumber(imp->length()); return result; }
EncodedJSValue JSC_HOST_CALL jsHTMLAllCollectionPrototypeFunctionTags(ExecState* exec) { JSValue thisValue = exec->hostThisValue(); if (!thisValue.inherits(&JSHTMLAllCollection::s_info)) return throwVMTypeError(exec); JSHTMLAllCollection* castedThis = static_cast<JSHTMLAllCollection*>(asObject(thisValue)); ASSERT_GC_OBJECT_INHERITS(castedThis, &JSHTMLAllCollection::s_info); HTMLAllCollection* imp = static_cast<HTMLAllCollection*>(castedThis->impl()); const String& name(ustringToString(exec->argument(0).toString(exec))); if (exec->hadException()) return JSValue::encode(jsUndefined()); JSC::JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(imp->tags(name))); return JSValue::encode(result); }
// HTMLAllCollections are strange objects, they support both get and call. static EncodedJSValue JSC_HOST_CALL callHTMLAllCollection(ExecState* exec) { if (exec->argumentCount() < 1) return JSValue::encode(jsUndefined()); // Do not use thisObj here. It can be the JSHTMLDocument, in the document.forms(i) case. JSHTMLAllCollection* jsCollection = static_cast<JSHTMLAllCollection*>(exec->callee()); HTMLAllCollection* collection = static_cast<HTMLAllCollection*>(jsCollection->impl()); // Also, do we need the TypeError test here ? if (exec->argumentCount() == 1) { // Support for document.all(<index>) etc. bool ok; UString string = exec->argument(0).toString(exec); unsigned index = Identifier::toUInt32(string, ok); if (ok) return JSValue::encode(toJS(exec, jsCollection->globalObject(), collection->item(index))); // Support for document.images('<name>') etc. return JSValue::encode(getNamedItems(exec, jsCollection, Identifier(exec, string))); } // The second arg, if set, is the index of the item we want bool ok; UString string = exec->argument(0).toString(exec); unsigned index = Identifier::toUInt32(exec->argument(1).toString(exec), ok); if (ok) { AtomicString pstr = ustringToAtomicString(string); Node* node = collection->namedItem(pstr); while (node) { if (!index) return JSValue::encode(toJS(exec, jsCollection->globalObject(), node)); node = collection->nextNamedItem(pstr); --index; } } return JSValue::encode(jsUndefined()); }
JSValue JSHTMLAllCollection::indexGetter(ExecState* exec, JSValue slotBase, unsigned index) { JSHTMLAllCollection* thisObj = static_cast<JSHTMLAllCollection*>(asObject(slotBase)); ASSERT_GC_OBJECT_INHERITS(thisObj, &s_info); return toJS(exec, thisObj->globalObject(), static_cast<HTMLAllCollection*>(thisObj->impl())->item(index)); }