/*

* Copyright (C) 2021 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 THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER 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

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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

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*/

#include "config.h"

#include "CSSLayerStatementRule.h"

#include "CSSLayerBlockRule.h"

#include "CSSStyleSheet.h"

#include "StyleRule.h"

#include <wtf/text/StringBuilder.h>

namespace WebCore {

CSSLayerStatementRule::CSSLayerStatementRule(StyleRuleLayer& rule, CSSStyleSheet* parent)

: CSSRule(parent)

, m_layerRule(rule)

{

ASSERT(rule.isStatement());

}

Ref<CSSLayerStatementRule> CSSLayerStatementRule::create(StyleRuleLayer& rule, CSSStyleSheet* parent)

{

return adoptRef(*new CSSLayerStatementRule(rule, parent));

}

String CSSLayerStatementRule::cssText() const

{

StringBuilder result;

result.append("@layer ");

auto nameList = this->nameList();

for (auto& name : nameList) {

result.append(name);

if (&name != &nameList.last())

result.append(", ");

}

result.append(';');

return result.toString();

}

Vector<String> CSSLayerStatementRule::nameList() const

{

Vector<String> result;

for (auto& name : m_layerRule.get().nameList())

result.append(stringFromCascadeLayerName(name));

return result;

}

void CSSLayerStatementRule::reattach(StyleRuleBase& rule)

{

m_layerRule = static_cast<StyleRuleLayer&>(rule);

}

} // namespace WebCore