/*
 * Copyright (C) 2016 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.
 */

#include "config.h"
#include "HTMLTableHeaderCellElement.h"

#include "HTMLNames.h"
#include <wtf/text/AtomicString.h>

namespace WebCore {

const AtomicString& HTMLTableHeaderCellElement::scope() const
{
    // https://html.spec.whatwg.org/multipage/tables.html#attr-th-scope
    static NeverDestroyed<const AtomicString> row("row", AtomicString::ConstructFromLiteral);
    static NeverDestroyed<const AtomicString> col("col", AtomicString::ConstructFromLiteral);
    static NeverDestroyed<const AtomicString> rowgroup("rowgroup", AtomicString::ConstructFromLiteral);
    static NeverDestroyed<const AtomicString> colgroup("colgroup", AtomicString::ConstructFromLiteral);

    const AtomicString& value = fastGetAttribute(HTMLNames::scopeAttr);
    if (equalIgnoringASCIICase(value, row))
        return row;
    if (equalIgnoringASCIICase(value, col))
        return col;
    if (equalIgnoringASCIICase(value, rowgroup))
        return rowgroup;
    if (equalIgnoringASCIICase(value, colgroup))
        return colgroup;
    return emptyAtom;
}

void HTMLTableHeaderCellElement::setScope(const AtomicString& scope)
{
    setAttributeWithoutSynchronization(HTMLNames::scopeAttr, scope);
}

} // namespace WebCore
