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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_ByteStreamHelpers_h
#define mozilla_dom_ByteStreamHelpers_h
#include "js/TypeDecls.h"
#include "mozilla/ErrorResult.h"
#include "UnderlyingSourceCallbackHelpers.h"
namespace mozilla::dom {
class ReadableStream;
class BodyStreamHolder;
// https://streams.spec.whatwg.org/#transfer-array-buffer
//
// As some parts of the specifcation want to use the abrupt completion value,
// this function may leave a pending exception if it returns nullptr.
JSObject* TransferArrayBuffer(JSContext* aCx, JS::Handle<JSObject*> aObject);
bool CanTransferArrayBuffer(JSContext* aCx, JS::Handle<JSObject*> aObject,
ErrorResult& aRv);
// If this returns null, it will leave a pending exception on aCx which
// must be handled by the caller (in the spec this is always the case
// currently).
JSObject* CloneAsUint8Array(JSContext* aCx, JS::Handle<JSObject*> aObject);
MOZ_CAN_RUN_SCRIPT void
SetUpReadableByteStreamControllerFromBodyStreamUnderlyingSource(
JSContext* aCx, ReadableStream* aStream,
BodyStreamHolder* aUnderlyingSource, ErrorResult& aRv);
} // namespace mozilla::dom
#endif
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