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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 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 Canon 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 CANON 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 CANON 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
#if ENABLE(FETCH_API)
#include "Blob.h"
#include "FetchBodyConsumer.h"
#include "FetchLoader.h"
#include "FormData.h"
#include "JSDOMPromise.h"
#include "URLSearchParams.h"
#include <wtf/Optional.h>
#include <wtf/Variant.h>
namespace JSC {
class ExecState;
class JSValue;
};
namespace WebCore {
class FetchBodyOwner;
class FetchResponseSource;
class ScriptExecutionContext;
class FetchBody {
public:
void arrayBuffer(FetchBodyOwner&, Ref<DeferredPromise>&&);
void blob(FetchBodyOwner&, Ref<DeferredPromise>&&, const String&);
void json(FetchBodyOwner&, Ref<DeferredPromise>&&);
void text(FetchBodyOwner&, Ref<DeferredPromise>&&);
void formData(FetchBodyOwner&, Ref<DeferredPromise>&& promise) { promise.get().reject(0); }
#if ENABLE(READABLE_STREAM_API)
void consumeAsStream(FetchBodyOwner&, FetchResponseSource&);
#endif
bool isBlob() const { return WTF::holds_alternative<Ref<const Blob>>(m_data); }
bool isFormData() const { return WTF::holds_alternative<Ref<FormData>>(m_data); }
bool isArrayBuffer() const { return WTF::holds_alternative<Ref<const ArrayBuffer>>(m_data); }
bool isArrayBufferView() const { return WTF::holds_alternative<Ref<const ArrayBufferView>>(m_data); }
bool isURLSearchParams() const { return WTF::holds_alternative<Ref<const URLSearchParams>>(m_data); }
bool isText() const { return WTF::holds_alternative<String>(m_data); }
bool isReadableStream() const { return m_isReadableStream; }
static std::optional<FetchBody> extract(ScriptExecutionContext&, JSC::ExecState&, JSC::JSValue, String&);
static FetchBody loadingBody() { return { }; }
void loadingFailed();
void loadingSucceeded();
RefPtr<FormData> bodyForInternalRequest(ScriptExecutionContext&) const;
FetchBodyConsumer& consumer() { return m_consumer; }
void consumeOnceLoadingFinished(FetchBodyConsumer::Type, Ref<DeferredPromise>&&);
void cleanConsumePromise() { m_consumePromise = nullptr; }
FetchBody clone() const;
private:
explicit FetchBody(Ref<const Blob>&& data) : m_data(WTFMove(data)) { }
explicit FetchBody(Ref<const ArrayBuffer>&& data) : m_data(WTFMove(data)) { }
explicit FetchBody(Ref<const ArrayBufferView>&& data) : m_data(WTFMove(data)) { }
explicit FetchBody(Ref<FormData>&& data) : m_data(WTFMove(data)) { }
explicit FetchBody(String&& data) : m_data(WTFMove(data)) { }
explicit FetchBody(Ref<const URLSearchParams>&& data) : m_data(WTFMove(data)) { }
explicit FetchBody(const FetchBodyConsumer& consumer) : m_consumer(consumer) { }
FetchBody() = default;
void consume(FetchBodyOwner&, Ref<DeferredPromise>&&);
void consumeArrayBuffer(Ref<DeferredPromise>&&);
void consumeArrayBufferView(Ref<DeferredPromise>&&);
void consumeText(Ref<DeferredPromise>&&, const String&);
void consumeBlob(FetchBodyOwner&, Ref<DeferredPromise>&&);
const Blob& blobBody() const { return WTF::get<Ref<const Blob>>(m_data).get(); }
FormData& formDataBody() { return WTF::get<Ref<FormData>>(m_data).get(); }
const FormData& formDataBody() const { return WTF::get<Ref<FormData>>(m_data).get(); }
const ArrayBuffer& arrayBufferBody() const { return WTF::get<Ref<const ArrayBuffer>>(m_data).get(); }
const ArrayBufferView& arrayBufferViewBody() const { return WTF::get<Ref<const ArrayBufferView>>(m_data).get(); }
String& textBody() { return WTF::get<String>(m_data); }
const String& textBody() const { return WTF::get<String>(m_data); }
const URLSearchParams& urlSearchParamsBody() const { return WTF::get<Ref<const URLSearchParams>>(m_data).get(); }
Variant<std::nullptr_t, Ref<const Blob>, Ref<FormData>, Ref<const ArrayBuffer>, Ref<const ArrayBufferView>, Ref<const URLSearchParams>, String> m_data { nullptr };
FetchBodyConsumer m_consumer { FetchBodyConsumer::Type::None };
RefPtr<DeferredPromise> m_consumePromise;
// FIXME: We probably want to keep the stream as a specific field in m_data when we will support stream data upload.
bool m_isReadableStream { false };
};
} // namespace WebCore
#endif // ENABLE(FETCH_API)
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