// Copyright 2015 The Chromium Authors. All rights reserved.
// Copyright (C) 2019 Apple Inc. All rights reserved.
//
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#pragma once

namespace WebCore {

enum TabSizeValueType {
    LengthValueType,
    SpaceValueType,
};

struct TabSize {
    TabSize(float numOrLength, TabSizeValueType isSpaces = SpaceValueType)
        : m_value(numOrLength)
        , m_isSpaces(isSpaces)
    {
    }

    bool isSpaces() const
    {
        return m_isSpaces;
    }

    float widthInPixels(float spaceWidth) const
    {
        return m_isSpaces ? m_value * spaceWidth : m_value;
    }

    operator bool() const { return m_value; }

    float m_value;
    bool m_isSpaces;
};

inline bool operator==(const TabSize& a, const TabSize& b)
{
    return (a.m_value == b.m_value) && (a.m_isSpaces == b.m_isSpaces);
}

inline bool operator!=(const TabSize& a, const TabSize& b)
{
    return !(a == b);
}

} // namespace WebCore
