RefPtr<API::Object> UserData::transform(API::Object* object, const std::function<RefPtr<API::Object> (const API::Object&)> transformer)
{
if (!object)
return nullptr;
if (object->type() == API::Object::Type::Array) {
auto& array = static_cast<API::Array&>(*object);
Vector<RefPtr<API::Object>> elements;
elements.reserveInitialCapacity(array.elements().size());
for (const auto& element : array.elements())
elements.uncheckedAppend(transform(element.get(), transformer));
return API::Array::create(std::move(elements));
}
if (object->type() == API::Object::Type::Dictionary) {
auto& dictionary = static_cast<ImmutableDictionary&>(*object);
ImmutableDictionary::MapType map;
for (const auto& keyValuePair : dictionary.map())
map.add(keyValuePair.key, transform(keyValuePair.value.get(), transformer));
return ImmutableDictionary::create(std::move(map));
}
if (auto transformedObject = transformer(*object))
return transformedObject;
return object;
}
bool UserData::decode(IPC::ArgumentDecoder& decoder, RefPtr<API::Object>& result)
{
API::Object::Type type;
if (!decoder.decodeEnum(type))
return false;
switch (type) {
case API::Object::Type::Array: {
uint64_t size;
if (!decoder.decode(size))
return false;
Vector<RefPtr<API::Object>> elements;
for (size_t i = 0; i < size; ++i) {
RefPtr<API::Object> element;
if (!decode(decoder, element))
return false;
elements.append(std::move(element));
}
result = API::Array::create(std::move(elements));
break;
}
case API::Object::Type::Boolean:
if (!API::Boolean::decode(decoder, result))
return false;
break;
case API::Object::Type::Data:
if (!API::Data::decode(decoder, result))
return false;
break;
case API::Object::Type::Dictionary: {
uint64_t size;
if (!decoder.decode(size))
return false;
ImmutableDictionary::MapType map;
for (size_t i = 0; i < size; ++i) {
String key;
if (!decoder.decode(key))
return false;
RefPtr<API::Object> value;
if (!decode(decoder, value))
return false;
if (!map.add(std::move(key), std::move(value)).isNewEntry)
return false;
}
result = ImmutableDictionary::create(std::move(map));
break;
}
case API::Object::Type::Double:
if (!API::Double::decode(decoder, result))
return false;
break;
case API::Object::Type::Error:
if (!API::Error::decode(decoder, result))
return false;
break;
case API::Object::Type::FrameHandle: {
uint64_t frameID;
if (!decoder.decode(frameID))
return false;
result = API::FrameHandle::create(frameID);
break;
}
case API::Object::Type::Null:
result = nullptr;
break;
case API::Object::Type::Point:
if (!API::Point::decode(decoder, result))
return false;
break;
case API::Object::Type::Rect:
if (!API::Rect::decode(decoder, result))
return false;
break;
case API::Object::Type::SerializedScriptValue: {
IPC::DataReference dataReference;
if (!decoder.decode(dataReference))
return false;
auto vector = dataReference.vector();
result = WebSerializedScriptValue::adopt(vector);
break;
}
case API::Object::Type::Size:
if (!API::Size::decode(decoder, result))
return false;
break;
case API::Object::Type::String: {
String string;
if (!decoder.decode(string))
return false;
result = API::String::create(string);
break;
}
case API::Object::Type::URL:
if (!API::URL::decode(decoder, result))
return false;
break;
case API::Object::Type::URLRequest:
if (!API::URLRequest::decode(decoder, result))
return false;
break;
case API::Object::Type::URLResponse:
if (!API::URLResponse::decode(decoder, result))
return false;
break;
case API::Object::Type::UInt64:
if (!API::UInt64::decode(decoder, result))
return false;
break;
default:
ASSERT_NOT_REACHED();
}
return true;
}