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/*
* Copyright (C) 2019 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "UserMessage.h"
#include "ArgumentCodersGLib.h"
#include "DataReference.h"
#include "WebCoreArgumentCoders.h"
namespace WebKit {
void UserMessage::encode(IPC::Encoder& encoder) const
{
encoder << type;
if (type == Type::Null)
return;
encoder << name;
if (type == Type::Error) {
encoder << errorCode;
return;
}
encoder << parameters;
encoder << fileDescriptors;
}
std::optional<UserMessage> UserMessage::decode(IPC::Decoder& decoder)
{
UserMessage result;
if (!decoder.decode(result.type))
return std::nullopt;
if (result.type == Type::Null)
return result;
if (!decoder.decode(result.name))
return std::nullopt;
if (result.type == Type::Error) {
std::optional<uint32_t> errorCode;
decoder >> errorCode;
if (!errorCode)
return std::nullopt;
result.errorCode = errorCode.value();
return result;
}
std::optional<GRefPtr<GVariant>> parameters;
decoder >> parameters;
if (!parameters)
return std::nullopt;
result.parameters = WTFMove(*parameters);
std::optional<GRefPtr<GUnixFDList>> fileDescriptors;
decoder >> fileDescriptors;
if (!fileDescriptors)
return std::nullopt;
result.fileDescriptors = WTFMove(*fileDescriptors);
return result;
}
}
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