blob: 0ea5d63e47b1c874aa94c2ca07e870e7e97dc7b5 [file] [log] [blame]
/*
* Copyright (C) 2022 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 "ScriptExecutionContextIdentifier.h"
#include <wtf/FastMalloc.h>
#include <wtf/Function.h>
#include <wtf/Span.h>
#include <wtf/WeakPtr.h>
#include <wtf/WorkQueue.h>
namespace WebCore {
class BlobLoader;
class FormData;
class ScriptExecutionContext;
class FormDataConsumer : public CanMakeWeakPtr<FormDataConsumer> {
WTF_MAKE_FAST_ALLOCATED;
public:
using Callback = Function<void(ExceptionOr<Span<const uint8_t>>)>;
FormDataConsumer(const FormData&, ScriptExecutionContext&, Callback&&);
WEBCORE_EXPORT ~FormDataConsumer();
void cancel();
private:
void consumeData(const Vector<uint8_t>&);
void consumeFile(const String&);
void consumeBlob(const URL&);
void consume(Span<const uint8_t>);
void read();
void didFail(auto &&exception);
bool isCancelled() { return !m_context; }
Ref<FormData> m_formData;
RefPtr<ScriptExecutionContext> m_context;
Callback m_callback;
size_t m_currentElementIndex { 0 };
Ref<WorkQueue> m_fileQueue;
std::unique_ptr<BlobLoader> m_blobLoader;
};
} // namespace WebCore