Source/WebCore/html/LabelableElement.cpp

/*
 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
 *           (C) 2001 Dirk Mueller (mueller@kde.org)
 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
 *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
 *
 * 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.
 *
 */

#include "config.h"
#include "LabelableElement.h"

#include "CommonAtomStrings.h"
#include "LabelsNodeList.h"
#include "NodeRareData.h"
#include "RenderStyle.h"
#include <wtf/IsoMallocInlines.h>

namespace WebCore {

WTF_MAKE_ISO_ALLOCATED_IMPL(LabelableElement);

LabelableElement::LabelableElement(const QualifiedName& tagName, Document& document)
    : HTMLElement(tagName, document)
{
}

LabelableElement::~LabelableElement() = default;

RefPtr<NodeList> LabelableElement::labels()
{
    if (!supportLabels())
        return nullptr;

    return ensureRareData().ensureNodeLists().addCacheWithAtomName<LabelsNodeList>(*this, starAtom());
}

} // namespace Webcore