mirror of
https://github.com/mozilla/gecko-dev.git
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4b09919a18
--HG-- rename : netwerk/base/public/nsIIPCSerializable.idl => netwerk/base/public/nsIIPCSerializableObsolete.idl extra : transplant_source : %EB%18%9D%E6%B1%C6%26%A2%16%F3%85g%1A%25%B1%8E%A1%E72e
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/* 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 "InputStreamUtils.h"
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#include "nsIIPCSerializableInputStream.h"
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#include "mozilla/Assertions.h"
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#include "nsComponentManagerUtils.h"
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#include "nsDebug.h"
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#include "nsID.h"
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#include "nsMultiplexInputStream.h"
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#include "nsNetCID.h"
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#include "nsStringStream.h"
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#include "nsThreadUtils.h"
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using namespace mozilla::ipc;
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namespace {
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NS_DEFINE_CID(kStringInputStreamCID, NS_STRINGINPUTSTREAM_CID);
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NS_DEFINE_CID(kFileInputStreamCID, NS_LOCALFILEINPUTSTREAM_CID);
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NS_DEFINE_CID(kPartialFileInputStreamCID, NS_PARTIALLOCALFILEINPUTSTREAM_CID);
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NS_DEFINE_CID(kMultiplexInputStreamCID, NS_MULTIPLEXINPUTSTREAM_CID);
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} // anonymous namespace
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namespace mozilla {
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namespace ipc {
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already_AddRefed<nsIInputStream>
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DeserializeInputStream(const InputStreamParams& aParams)
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsCOMPtr<nsIIPCSerializableInputStream> serializable;
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switch (aParams.type()) {
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case InputStreamParams::T__None:
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NS_WARNING("This union has no type!");
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return nullptr;
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case InputStreamParams::TStringInputStreamParams:
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serializable = do_CreateInstance(kStringInputStreamCID);
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break;
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case InputStreamParams::TFileInputStreamParams:
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serializable = do_CreateInstance(kFileInputStreamCID);
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break;
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case InputStreamParams::TPartialFileInputStreamParams:
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serializable = do_CreateInstance(kPartialFileInputStreamCID);
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break;
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case InputStreamParams::TMultiplexInputStreamParams:
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serializable = do_CreateInstance(kMultiplexInputStreamCID);
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break;
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default:
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NS_WARNING("Unknown params!");
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return nullptr;
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}
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MOZ_ASSERT(serializable);
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if (!serializable->Deserialize(aParams)) {
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NS_WARNING("Deserialize failed!");
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return nullptr;
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}
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nsCOMPtr<nsIInputStream> stream = do_QueryInterface(serializable);
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MOZ_ASSERT(stream);
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return stream.forget();
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}
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} // namespace ipc
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} // namespace mozilla
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