Source/WebCore/css/CSSPropertyRule.cpp

/*
 * Copyright (C) 2022 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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#include "config.h"
#include "CSSPropertyRule.h"

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

namespace WebCore {

CSSPropertyRule::CSSPropertyRule(StyleRuleProperty& rule, CSSStyleSheet* parent)
    : CSSRule(parent)
    , m_propertyRule(rule)
{
}

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

CSSPropertyRule::~CSSPropertyRule() = default;

String CSSPropertyRule::name() const
{
    return m_propertyRule->descriptor().name;
}

String CSSPropertyRule::syntax() const
{
    return m_propertyRule->descriptor().syntax;
}

bool CSSPropertyRule::inherits() const
{
    return m_propertyRule->descriptor().inherits.value_or(false);
}

String CSSPropertyRule::initialValue() const
{
    if (!m_propertyRule->descriptor().initialValue)
        return nullString();

    return m_propertyRule->descriptor().initialValue->serialize();
}

String CSSPropertyRule::cssText() const
{
    StringBuilder builder;

    auto& descriptor = m_propertyRule->descriptor();

    builder.append("@property "_s);
    serializeIdentifier(descriptor.name, builder);
    builder.append(" { "_s);

    if (!descriptor.syntax.isNull()) {
        builder.append("syntax: "_s);
        serializeString(syntax(), builder);
        builder.append("; "_s);
    }

    if (descriptor.inherits)
        builder.append("inherits: "_s, *descriptor.inherits ? "true"_s : "false"_s, "; "_s);

    if (descriptor.initialValue)
        builder.append("initial-value: "_s, initialValue(), "; "_s);

    builder.append('}');

    return builder.toString();
}

void CSSPropertyRule::reattach(StyleRuleBase& rule)
{
    m_propertyRule = downcast<StyleRuleProperty>(rule);
}

} // namespace WebCore