Source/WebCore/css/CSSScopeRule.cpp

/*
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 * Redistribution and use in source and binary forms, with or without
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#include "config.h"
#include "CSSScopeRule.h"

#include "StyleRule.h"
#include <wtf/text/StringBuilder.h>

namespace WebCore {

CSSScopeRule::CSSScopeRule(StyleRuleScope& rule, CSSStyleSheet* parent)
    : CSSGroupingRule(rule, parent)
{
}

Ref<CSSScopeRule> CSSScopeRule::create(StyleRuleScope& rule, CSSStyleSheet* parent)
{
    return adoptRef(*new CSSScopeRule(rule, parent));
}

const StyleRuleScope& CSSScopeRule::styleRuleScope() const
{
    return downcast<StyleRuleScope>(groupRule());
}

String CSSScopeRule::cssText() const
{
    StringBuilder builder;
    builder.append("@scope"_s);
    auto start = this->start();
    if (!start.isEmpty())
        builder.append(" ("_s, start, ')');
    auto end = this->end();
    if (!end.isEmpty())
        builder.append(" to "_s, '(', end, ')');
    appendCSSTextForItems(builder);
    return builder.toString();
}

String CSSScopeRule::start() const
{
    auto& scope = styleRuleScope().originalScopeStart();
    if (scope.isEmpty())
        return { };

    return scope.selectorsText();
}

String CSSScopeRule::end() const
{
    auto& scope = styleRuleScope().originalScopeEnd();
    if (scope.isEmpty())
        return { };

    return scope.selectorsText();
}

} // namespace WebCore