1/*
2 * Copyright (C) 2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26
27#include "config.h"
28#include "ReadableStreamSink.h"
29
30#include "BufferSource.h"
31#include "DOMException.h"
32#include "ReadableStream.h"
33#include "SharedBuffer.h"
34
35#if ENABLE(STREAMS_API)
36
37namespace WebCore {
38
39ReadableStreamToSharedBufferSink::ReadableStreamToSharedBufferSink(Callback&& callback)
40 : m_callback { WTFMove(callback) }
41{
42}
43
44void ReadableStreamToSharedBufferSink::pipeFrom(ReadableStream& stream)
45{
46 stream.pipeTo(*this);
47}
48
49void ReadableStreamToSharedBufferSink::enqueue(const BufferSource& buffer)
50{
51 if (!buffer.length())
52 return;
53
54 if (m_callback) {
55 ReadableStreamChunk chunk { buffer.data(), buffer.length() };
56 m_callback(&chunk);
57 }
58}
59
60void ReadableStreamToSharedBufferSink::close()
61{
62 if (m_callback)
63 m_callback(nullptr);
64}
65
66void ReadableStreamToSharedBufferSink::error(String&& message)
67{
68 if (auto callback = WTFMove(m_callback))
69 callback(Exception { TypeError, WTFMove(message) });
70}
71
72} // namespace WebCore
73
74#endif // ENABLE(STREAMS_API)
75