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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* 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. 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 APPLE INC. OR 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.
*/
#pragma once
#include "ExceptionOr.h"
#include <JavaScriptCore/Forward.h>
#include <span>
#include <wtf/Function.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class BufferSource;
class ReadableStream;
class ReadableStreamSink : public RefCounted<ReadableStreamSink> {
public:
virtual ~ReadableStreamSink() = default;
virtual void enqueue(const Ref<JSC::Uint8Array>&) = 0;
virtual void close() = 0;
virtual void error(String&&) = 0;
};
class ReadableStreamToSharedBufferSink final : public ReadableStreamSink {
public:
using Callback = Function<void(ExceptionOr<std::span<const uint8_t>*>&&)>;
static Ref<ReadableStreamToSharedBufferSink> create(Callback&& callback) { return adoptRef(*new ReadableStreamToSharedBufferSink(WTFMove(callback))); }
void pipeFrom(ReadableStream&);
void clearCallback() { m_callback = { }; }
private:
explicit ReadableStreamToSharedBufferSink(Callback&&);
void enqueue(const Ref<JSC::Uint8Array>&) final;
void close() final;
void error(String&&) final;
Callback m_callback;
};
} // namespace WebCore
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