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/*
* Copyright (C) 2017 Canon Inc.
*
* 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 CANON 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 CANON INC. AND 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.
*/
export function initializeReadableStreamBYOBReader(this, stream) {
if (!$isReadableStream(stream)) throw new TypeError("ReadableStreamBYOBReader needs a ReadableStream");
if (!$isReadableByteStreamController($getByIdDirectPrivate(stream, "readableStreamController")))
throw new TypeError("ReadableStreamBYOBReader needs a ReadableByteStreamController");
if ($isReadableStreamLocked(stream)) throw new TypeError("ReadableStream is locked");
$readableStreamReaderGenericInitialize(this, stream);
$putByIdDirectPrivate(this, "readIntoRequests", $createFIFO());
return this;
}
export function cancel(this, reason) {
if (!$isReadableStreamBYOBReader(this))
return Promise.$reject($makeThisTypeError("ReadableStreamBYOBReader", "cancel"));
if (!$getByIdDirectPrivate(this, "ownerReadableStream"))
return Promise.$reject($makeTypeError("cancel() called on a reader owned by no readable stream"));
return $readableStreamReaderGenericCancel(this, reason);
}
export function read(this, view: DataView) {
if (!$isReadableStreamBYOBReader(this))
return Promise.$reject($makeThisTypeError("ReadableStreamBYOBReader", "read"));
if (!$getByIdDirectPrivate(this, "ownerReadableStream"))
return Promise.$reject($makeTypeError("read() called on a reader owned by no readable stream"));
if (!$isObject(view)) return Promise.$reject($makeTypeError("Provided view is not an object"));
if (!ArrayBuffer.$isView(view)) return Promise.$reject($makeTypeError("Provided view is not an ArrayBufferView"));
if (view.byteLength === 0) return Promise.$reject($makeTypeError("Provided view cannot have a 0 byteLength"));
return $readableStreamBYOBReaderRead(this, view);
}
export function releaseLock(this) {
if (!$isReadableStreamBYOBReader(this)) throw $makeThisTypeError("ReadableStreamBYOBReader", "releaseLock");
if (!$getByIdDirectPrivate(this, "ownerReadableStream")) return;
if ($getByIdDirectPrivate(this, "readIntoRequests")?.isNotEmpty())
throw new TypeError("There are still pending read requests, cannot release the lock");
$readableStreamReaderGenericRelease(this);
}
$getter;
export function closed(this) {
if (!$isReadableStreamBYOBReader(this))
return Promise.$reject($makeGetterTypeError("ReadableStreamBYOBReader", "closed"));
return $getByIdDirectPrivate(this, "closedPromiseCapability").promise;
}
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