Source/WebCore/Modules/streams/ReadableStreamBYOBRequest.js

/*
 * 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 APPLE INC. ``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 APPLE INC. OR
 * 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.
 */

// @conditional=ENABLE(STREAMS_API)

function initializeReadableStreamBYOBRequest(controller, view)
{
    "use strict";

    if (arguments.length !== 3 && arguments[2] !== @isReadableStream)
        @throwTypeError("ReadableStreamBYOBRequest constructor should not be called directly");

    return @privateInitializeReadableStreamBYOBRequest.@call(this, controller, view);
}

function respond(bytesWritten)
{
    "use strict";

    if (!@isReadableStreamBYOBRequest(this))
        throw @makeThisTypeError("ReadableStreamBYOBRequest", "respond");

    if (@getByIdDirectPrivate(this, "associatedReadableByteStreamController") === @undefined)
        @throwTypeError("ReadableStreamBYOBRequest.associatedReadableByteStreamController is undefined");

    return @readableByteStreamControllerRespond(@getByIdDirectPrivate(this, "associatedReadableByteStreamController"), bytesWritten);
}

function respondWithNewView(view)
{
    "use strict";

    if (!@isReadableStreamBYOBRequest(this))
        throw @makeThisTypeError("ReadableStreamBYOBRequest", "respond");

    if (@getByIdDirectPrivate(this, "associatedReadableByteStreamController") === @undefined)
        @throwTypeError("ReadableStreamBYOBRequest.associatedReadableByteStreamController is undefined");

    if (!@isObject(view))
        @throwTypeError("Provided view is not an object");

    if (!@ArrayBuffer.@isView(view))
        @throwTypeError("Provided view is not an ArrayBufferView");

    return @readableByteStreamControllerRespondWithNewView(@getByIdDirectPrivate(this, "associatedReadableByteStreamController"), view);
}

@getter
function view()
{
    "use strict";

    if (!@isReadableStreamBYOBRequest(this))
        throw @makeGetterTypeError("ReadableStreamBYOBRequest", "view");

    return @getByIdDirectPrivate(this, "view");
}