static bool get(v8::Handle<v8::Value>& object, const String& keyPathElement, v8::Handle<v8::Value>& result, v8::Isolate* isolate)
{
if (object->IsString() && keyPathElement == "length") {
int32_t length = v8::Handle<v8::String>::Cast(object)->Length();
result = v8::Number::New(isolate, length);
return true;
}
return object->IsObject() && getValueFrom(v8String(isolate, keyPathElement), result);
}
PassRefPtr<IDBKey> createIDBKeyFromSerializedValueAndKeyPath(PassRefPtr<SerializedScriptValue> value, const Vector<IDBKeyPathElement>& keyPath)
{
LocalContext localContext;
v8::Handle<v8::Value> v8Value(value->deserialize());
for (size_t i = 0; i < keyPath.size(); ++i) {
switch (keyPath[i].type) {
case IDBKeyPathElement::IsIndexed:
if (!v8Value->IsArray() || !getValueFrom(keyPath[i].index, v8Value))
return 0;
break;
case IDBKeyPathElement::IsNamed:
if (!v8Value->IsObject() || !getValueFrom(v8String(keyPath[i].identifier), v8Value))
return 0;
break;
default:
ASSERT_NOT_REACHED();
}
}
return createIDBKeyFromValue(v8Value);
}
