ladybird/Userland/Libraries/LibWeb/WebDriver/Response.cpp
Timothy Flynn 05f41382bb Userland: Properly define IPC::encode and IPC::decode specializations
In order to avoid the base encode/decode methods from being used (and
failing a static assertion), we must be sure to declare/define the
custom type implementations as template specializations.

After this, LibIPC is no longer sensitive to include order.
2022-11-15 13:25:51 -05:00

78 lines
1.6 KiB
C++

/*
* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibIPC/Decoder.h>
#include <LibIPC/Encoder.h>
#include <LibWeb/WebDriver/Response.h>
enum class ResponseType : u8 {
Success,
Error,
};
namespace Web::WebDriver {
Response::Response(JsonValue&& value)
: m_value_or_error(move(value))
{
}
Response::Response(Error&& error)
: m_value_or_error(move(error))
{
}
}
template<>
bool IPC::encode(Encoder& encoder, Web::WebDriver::Response const& response)
{
response.visit(
[](Empty) { VERIFY_NOT_REACHED(); },
[&](JsonValue const& value) {
encoder << ResponseType::Success;
encoder << value;
},
[&](Web::WebDriver::Error const& error) {
encoder << ResponseType::Error;
encoder << error.http_status;
encoder << error.error;
encoder << error.message;
encoder << error.data;
});
return true;
}
template<>
ErrorOr<void> IPC::decode(Decoder& decoder, Web::WebDriver::Response& response)
{
ResponseType type {};
TRY(decoder.decode(type));
switch (type) {
case ResponseType::Success: {
JsonValue value;
TRY(decoder.decode(value));
response = move(value);
break;
}
case ResponseType::Error: {
Web::WebDriver::Error error {};
TRY(decoder.decode(error.http_status));
TRY(decoder.decode(error.error));
TRY(decoder.decode(error.message));
TRY(decoder.decode(error.data));
response = move(error);
break;
}
}
return {};
}