mirror of
https://github.com/mozilla/gecko-dev.git
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05dc5e0d76
Automatically generated rewrites of all ParamTraits and IPDLParamTraits
implementations in-tree to use IPC::Message{Reader,Writer}.
Differential Revision: https://phabricator.services.mozilla.com/D140004
78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/ipc/ScopedPort.h"
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#include "mozilla/ipc/NodeController.h"
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#include "chrome/common/ipc_message_utils.h"
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namespace mozilla::ipc {
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void ScopedPort::Reset() {
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if (mValid) {
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mController->ClosePort(mPort);
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}
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mValid = false;
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mPort = {};
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mController = nullptr;
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}
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auto ScopedPort::Release() -> PortRef {
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if (!mValid) {
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return {};
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}
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mValid = false;
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mController = nullptr;
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return std::exchange(mPort, PortRef{});
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}
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ScopedPort::ScopedPort() = default;
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ScopedPort::~ScopedPort() { Reset(); }
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ScopedPort::ScopedPort(PortRef aPort, NodeController* aController)
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: mValid(true), mPort(std::move(aPort)), mController(aController) {
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MOZ_ASSERT(mPort.is_valid() && mController);
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}
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ScopedPort::ScopedPort(ScopedPort&& aOther)
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: mValid(std::exchange(aOther.mValid, false)),
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mPort(std::move(aOther.mPort)),
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mController(std::move(aOther.mController)) {}
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ScopedPort& ScopedPort::operator=(ScopedPort&& aOther) {
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if (this != &aOther) {
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Reset();
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mValid = std::exchange(aOther.mValid, false);
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mPort = std::move(aOther.mPort);
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mController = std::move(aOther.mController);
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}
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return *this;
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}
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} // namespace mozilla::ipc
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void IPC::ParamTraits<mozilla::ipc::ScopedPort>::Write(MessageWriter* aWriter,
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paramType&& aParam) {
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aWriter->WriteBool(aParam.IsValid());
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if (!aParam.IsValid()) {
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return;
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}
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aWriter->WritePort(std::move(aParam));
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}
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bool IPC::ParamTraits<mozilla::ipc::ScopedPort>::Read(MessageReader* aReader,
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paramType* aResult) {
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bool isValid = false;
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if (!aReader->ReadBool(&isValid)) {
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return false;
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}
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if (!isValid) {
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*aResult = {};
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return true;
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}
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return aReader->ConsumePort(aResult);
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}
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