/*
 * Copyright (C) 2026 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 "LayoutUnit.h"

namespace WebCore {
namespace Layout {

struct ContentBoxSize {
    friend auto operator<=>(ContentBoxSize, ContentBoxSize) = default;

    LayoutUnit value;
};

struct BorderBoxSize {
    BorderBoxSize(ContentBoxSize contentBox, LayoutUnit borderAndPadding)
        : value(contentBox.value + borderAndPadding) { }

    static BorderBoxSize zeroSized() { return BorderBoxSize { 0_lu }; }
    static BorderBoxSize maxSized() { return BorderBoxSize { LayoutUnit::max() }; }
    static BorderBoxSize fromIntegrationFunction(LayoutUnit v) { return BorderBoxSize { v }; }

    friend auto operator<=>(BorderBoxSize, BorderBoxSize) = default;

    LayoutUnit value;

private:
    explicit BorderBoxSize(LayoutUnit v)
        : value(v) { }
};

struct MarginBoxSize {
    MarginBoxSize(BorderBoxSize borderBox, LayoutUnit margins)
        : value(borderBox.value + margins) { }

    static MarginBoxSize zeroSized() { return MarginBoxSize { 0_lu }; }

    friend auto operator<=>(MarginBoxSize, MarginBoxSize) = default;

    LayoutUnit value;

private:
    explicit MarginBoxSize(LayoutUnit v)
        : value(v) { }
};

} // namespace Layout
} // namespace WebCore
