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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* (C) 2002-2003 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2002-2020 Apple Inc. All rights reserved.
* Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
*
* 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 "CSSRule.h"
#include <memory>
#include <wtf/Vector.h>
namespace WebCore {
class CSSRuleList;
class StyleRuleGroup;
class CSSGroupingRule : public CSSRule {
public:
virtual ~CSSGroupingRule();
WEBCORE_EXPORT CSSRuleList& cssRules() const;
WEBCORE_EXPORT ExceptionOr<unsigned> insertRule(const String& rule, unsigned index);
WEBCORE_EXPORT ExceptionOr<void> deleteRule(unsigned index);
unsigned length() const;
CSSRule* item(unsigned index) const;
protected:
CSSGroupingRule(StyleRuleGroup&, CSSStyleSheet* parent);
const StyleRuleGroup& groupRule() const { return m_groupRule; }
StyleRuleGroup& groupRule() { return m_groupRule; }
void reattach(StyleRuleBase&) override;
void appendCSSTextForItems(StringBuilder&) const;
RefPtr<StyleRuleWithNesting> prepareChildStyleRuleForNesting(StyleRule&) override;
// https://drafts.csswg.org/cssom/#serialize-a-css-rule
void cssTextForDeclsAndRules(StringBuilder& decls, StringBuilder& rules) const;
private:
Ref<StyleRuleGroup> m_groupRule;
mutable Vector<RefPtr<CSSRule>> m_childRuleCSSOMWrappers;
mutable std::unique_ptr<CSSRuleList> m_ruleListCSSOMWrapper;
};
} // namespace WebCore
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