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/*
* Copyright (c) 2022-2023, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/Forward.h>
#include <AK/NonnullRefPtr.h>
#include <AK/Optional.h>
#include <AK/Variant.h>
#include <LibJS/Heap/GCPtr.h>
#include <LibJS/Heap/Handle.h>
#include <LibWeb/FileAPI/Blob.h>
#include <LibWeb/Streams/ReadableStream.h>
#include <LibWeb/WebIDL/Promise.h>
namespace Web::Fetch::Infrastructure {
// https://fetch.spec.whatwg.org/#concept-body
class Body final {
public:
using SourceType = Variant<Empty, ByteBuffer, JS::Handle<FileAPI::Blob>>;
explicit Body(JS::Handle<Streams::ReadableStream>);
Body(JS::Handle<Streams::ReadableStream>, SourceType, Optional<u64>);
[[nodiscard]] JS::NonnullGCPtr<Streams::ReadableStream> stream() const { return *m_stream; }
[[nodiscard]] SourceType const& source() const { return m_source; }
[[nodiscard]] Optional<u64> const& length() const { return m_length; }
WebIDL::ExceptionOr<Body> clone() const;
WebIDL::ExceptionOr<JS::NonnullGCPtr<WebIDL::Promise>> fully_read_as_promise() const;
private:
// https://fetch.spec.whatwg.org/#concept-body-stream
// A stream (a ReadableStream object).
JS::Handle<Streams::ReadableStream> m_stream;
// https://fetch.spec.whatwg.org/#concept-body-source
// A source (null, a byte sequence, a Blob object, or a FormData object), initially null.
SourceType m_source;
// https://fetch.spec.whatwg.org/#concept-body-total-bytes
// A length (null or an integer), initially null.
Optional<u64> m_length;
};
// https://fetch.spec.whatwg.org/#body-with-type
// A body with type is a tuple that consists of a body (a body) and a type (a header value or null).
struct BodyWithType {
Body body;
Optional<ByteBuffer> type;
};
WebIDL::ExceptionOr<Body> byte_sequence_as_body(JS::Realm&, ReadonlyBytes);
}
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