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/*
* Copyright (C) 2016-2024 Apple Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions
* are required to be 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.
* 3. Neither the name of Apple Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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. AND 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 "FetchBodySource.h"
#include "FormDataConsumer.h"
#include "JSDOMPromiseDeferredForward.h"
#include "ReadableStreamSink.h"
#include "ScriptExecutionContextIdentifier.h"
#include "SharedBuffer.h"
#include "UserGestureIndicator.h"
namespace WebCore {
class Blob;
class DOMFormData;
class FetchBodyOwner;
class FetchBodySource;
class FormData;
class ReadableStream;
class FetchBodyConsumer final : public CanMakeCheckedPtr<FetchBodyConsumer> {
WTF_MAKE_FAST_ALLOCATED;
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(FetchBodyConsumer);
public:
enum class Type { None, ArrayBuffer, Blob, Bytes, JSON, Text, FormData };
explicit FetchBodyConsumer(Type);
FetchBodyConsumer(FetchBodyConsumer&&);
~FetchBodyConsumer();
FetchBodyConsumer& operator=(FetchBodyConsumer&&);
FetchBodyConsumer clone();
void append(const SharedBuffer&);
bool hasData() const { return !!m_buffer; }
const FragmentedSharedBuffer* data() const { return m_buffer.get().get(); }
void setData(Ref<FragmentedSharedBuffer>&&);
RefPtr<FragmentedSharedBuffer> takeData();
RefPtr<JSC::ArrayBuffer> takeAsArrayBuffer();
String takeAsText();
bool hasPendingActivity() const;
void setType(Type type) { m_type = type; }
void clean();
void extract(ReadableStream&, ReadableStreamToSharedBufferSink::Callback&&);
void resolve(Ref<DeferredPromise>&&, const String& contentType, FetchBodyOwner*, ReadableStream*);
void resolveWithData(Ref<DeferredPromise>&&, const String& contentType, std::span<const uint8_t>);
void resolveWithFormData(Ref<DeferredPromise>&&, const String& contentType, const FormData&, ScriptExecutionContext*);
void consumeFormDataAsStream(const FormData&, FetchBodySource&, ScriptExecutionContext*);
void loadingFailed(const Exception&);
void loadingSucceeded(const String& contentType);
void setConsumePromise(Ref<DeferredPromise>&&);
void setSource(Ref<FetchBodySource>&&);
void setAsLoading() { m_isLoading = true; }
static RefPtr<DOMFormData> packageFormData(ScriptExecutionContext*, const String& contentType, std::span<const uint8_t> data);
private:
Ref<Blob> takeAsBlob(ScriptExecutionContext*, const String& contentType);
void resetConsumePromise();
Type m_type;
SharedBufferBuilder m_buffer;
RefPtr<DeferredPromise> m_consumePromise;
RefPtr<ReadableStreamToSharedBufferSink> m_sink;
RefPtr<FetchBodySource> m_source;
bool m_isLoading { false };
RefPtr<UserGestureToken> m_userGestureToken;
RefPtr<FormDataConsumer> m_formDataConsumer;
};
} // namespace WebCore
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