f43567d65d
The fetch spec treats null bodies specially. Their Body cannot become disturbed or locked and a fresh empty ReadableStream is returned whenever an attempt is made to consume the body. We currently fail a number of WPT tests in this area because we do mark the body consumed as exposed via bodyUsed.
83 lines
2.6 KiB
C++
83 lines
2.6 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 "EmptyBody.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTING_ADDREF(EmptyBody)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(EmptyBody)
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NS_IMPL_CYCLE_COLLECTION_CLASS(EmptyBody)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(EmptyBody)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mOwner)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mAbortSignalImpl)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mFetchStreamReader)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(EmptyBody)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOwner)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mAbortSignalImpl)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mFetchStreamReader)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(EmptyBody)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(EmptyBody)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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EmptyBody::EmptyBody(nsIGlobalObject* aGlobal,
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mozilla::ipc::PrincipalInfo* aPrincipalInfo,
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AbortSignalImpl* aAbortSignalImpl,
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already_AddRefed<nsIInputStream> aBodyStream)
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: FetchBody<EmptyBody>(aGlobal)
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, mPrincipalInfo(aPrincipalInfo)
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, mAbortSignalImpl(aAbortSignalImpl)
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, mBodyStream(std::move(aBodyStream))
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{}
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EmptyBody::~EmptyBody() = default;
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/* static */ already_AddRefed<EmptyBody>
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EmptyBody::Create(nsIGlobalObject* aGlobal,
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mozilla::ipc::PrincipalInfo* aPrincipalInfo,
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AbortSignalImpl* aAbortSignalImpl,
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const nsACString& aMimeType,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsIInputStream> bodyStream;
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aRv = NS_NewCStringInputStream(getter_AddRefs(bodyStream), EmptyCString());
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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RefPtr<EmptyBody> emptyBody = new EmptyBody(aGlobal, aPrincipalInfo,
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aAbortSignalImpl,
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bodyStream.forget());
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emptyBody->OverrideMimeType(aMimeType);
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return emptyBody.forget();
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}
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void
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EmptyBody::GetBody(nsIInputStream** aStream, int64_t* aBodyLength)
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{
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MOZ_ASSERT(aStream);
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if (aBodyLength) {
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*aBodyLength = 0;
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}
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nsCOMPtr<nsIInputStream> bodyStream = mBodyStream;
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bodyStream.forget(aStream);
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}
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} // dom namespace
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} // mozilla namespace
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