Source/WebCore/rendering/style/CounterDirectives.h

/*
 * Copyright (C) 2018 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#pragma once

#include <wtf/HashMap.h>
#include <wtf/text/AtomStringHash.h>

namespace WebCore {

struct CounterDirectives {
    Optional<int> resetValue;
    Optional<int> incrementValue;
};

constexpr bool operator==(const CounterDirectives& a, const CounterDirectives& b)
{
    return a.incrementValue == b.incrementValue && a.resetValue == b.resetValue;
}

constexpr bool operator!=(const CounterDirectives& a, const CounterDirectives& b)
{
    return !(a == b);
}

using CounterDirectiveMap = HashMap<AtomString, CounterDirectives>;

} // namespace WebCore