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/*
* Copyright (C) 2016 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.
*/
function initializeReadableByteStreamController(stream, underlyingByteSource, highWaterMark)
{
"use strict";
if (arguments.length !== 4 && arguments[3] !== @isReadableStream)
@throwTypeError("ReadableByteStreamController constructor should not be called directly");
return @privateInitializeReadableByteStreamController.@call(this, stream, underlyingByteSource, highWaterMark);
}
function enqueue(chunk)
{
"use strict";
if (!@isReadableByteStreamController(this))
throw @makeThisTypeError("ReadableByteStreamController", "enqueue");
if (@getByIdDirectPrivate(this, "closeRequested"))
@throwTypeError("ReadableByteStreamController is requested to close");
if (@getByIdDirectPrivate(@getByIdDirectPrivate(this, "controlledReadableStream"), "state") !== @streamReadable)
@throwTypeError("ReadableStream is not readable");
if (!@isObject(chunk) || !@ArrayBuffer.@isView(chunk))
@throwTypeError("Provided chunk is not a TypedArray");
return @readableByteStreamControllerEnqueue(this, chunk);
}
function error(error)
{
"use strict";
if (!@isReadableByteStreamController(this))
throw @makeThisTypeError("ReadableByteStreamController", "error");
if (@getByIdDirectPrivate(@getByIdDirectPrivate(this, "controlledReadableStream"), "state") !== @streamReadable)
@throwTypeError("ReadableStream is not readable");
@readableByteStreamControllerError(this, error);
}
function close()
{
"use strict";
if (!@isReadableByteStreamController(this))
throw @makeThisTypeError("ReadableByteStreamController", "close");
if (@getByIdDirectPrivate(this, "closeRequested"))
@throwTypeError("Close has already been requested");
if (@getByIdDirectPrivate(@getByIdDirectPrivate(this, "controlledReadableStream"), "state") !== @streamReadable)
@throwTypeError("ReadableStream is not readable");
@readableByteStreamControllerClose(this);
}
@getter
function byobRequest()
{
"use strict";
if (!@isReadableByteStreamController(this))
throw @makeGetterTypeError("ReadableByteStreamController", "byobRequest");
var request = @getByIdDirectPrivate(this, "byobRequest");
if (request === @undefined) {
var pending = @getByIdDirectPrivate(this, "pendingPullIntos");
const firstDescriptor = pending.peek();
if (firstDescriptor) {
const view = new @Uint8Array(firstDescriptor.buffer,
firstDescriptor.byteOffset + firstDescriptor.bytesFilled,
firstDescriptor.byteLength - firstDescriptor.bytesFilled);
@putByIdDirectPrivate(this, "byobRequest", new @ReadableStreamBYOBRequest(this, view, @isReadableStream));
}
}
return @getByIdDirectPrivate(this, "byobRequest");
}
@getter
function desiredSize()
{
"use strict";
if (!@isReadableByteStreamController(this))
throw @makeGetterTypeError("ReadableByteStreamController", "desiredSize");
return @readableByteStreamControllerGetDesiredSize(this);
}
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