Source/WebCore/style/ScopedName.cpp

/*
 * Copyright (C) 2025-2026 Samuel Weinig <sam@webkit.org>
 *
 * 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. ``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
 * 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.
 */

#include "config.h"
#include "ScopedName.h"

#include "CSSStringValue.h"
#include "StyleBuilderChecking.h"
#include <wtf/text/TextStream.h>

namespace WebCore {
namespace Style {

// MARK: - Conversion

auto CSSValueConversion<ScopedName>::operator()(BuilderState& state, const CSSValue& value) -> ScopedName
{
    if (RefPtr stringValue = dynamicDowncast<CSSStringValue>(value)) {
        return ScopedName {
            .name = AtomString { toStyleFromCSSValue<String>(state, value).value },
            .scopeOrdinal = state.styleScopeOrdinal(),
            .isIdentifier = false,
        };
    }

    return ScopedName {
        .name = toStyleFromCSSValue<CustomIdent>(state, value).value,
        .scopeOrdinal = state.styleScopeOrdinal(),
        .isIdentifier = true,
    };
}

// MARK: - Logging

WTF::TextStream& operator<<(WTF::TextStream& ts, const ScopedName& scopedName)
{
    return ts << scopedName.name;
}

} // namespace Style
} // namespace WebCore