ladybird/Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Bodies.h

/*
 * Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/ByteBuffer.h>
#include <AK/Forward.h>
#include <AK/Optional.h>
#include <AK/Variant.h>

namespace Web::Fetch {

// https://fetch.spec.whatwg.org/#concept-body
class Body final {
public:
    using SourceType = Variant<Empty, ByteBuffer>;

    struct ReadableStreamDummy { };

    explicit Body(ReadableStreamDummy);
    Body(ReadableStreamDummy, SourceType, Optional<u64>);

    [[nodiscard]] ReadableStreamDummy const& stream() { return m_stream; }
    [[nodiscard]] SourceType const& source() const { return m_source; }
    [[nodiscard]] Optional<u64> const& length() const { return m_length; }

private:
    // https://fetch.spec.whatwg.org/#concept-body-stream
    // A stream (a ReadableStream object).
    // FIXME: Just a placeholder for now.
    ReadableStreamDummy 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;
};

}