Source/WebCore/css/CSSGridLineValue.cpp

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#include "config.h"
#include "CSSGridLineValue.h"

#include <wtf/Vector.h>
#include <wtf/text/StringBuilder.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

String CSSGridLineValue::customCSSText(const CSS::SerializationContext& context) const
{
    Vector<String> parts;
    if (m_spanValue)
        parts.append(m_spanValue->cssText(context));
    // Only return the numeric value if not 1, or if it provided without a span value.
    // https://drafts.csswg.org/css-grid-2/#grid-placement-span-int
    if (m_numericValue) {
        if (m_numericValue->isOne() != true || !m_spanValue || !m_gridLineName)
            parts.append(m_numericValue->cssText(context));
    }
    if (m_gridLineName)
        parts.append(m_gridLineName->cssText(context));
    return makeStringByJoining(parts, " "_s);
}

CSSGridLineValue::CSSGridLineValue(RefPtr<CSSPrimitiveValue>&& spanValue, RefPtr<CSSPrimitiveValue>&& numericValue, RefPtr<CSSPrimitiveValue>&& gridLineName)
    : CSSValue(ClassType::GridLineValue)
    , m_spanValue(WTF::move(spanValue))
    , m_numericValue(WTF::move(numericValue))
    , m_gridLineName(WTF::move(gridLineName))
{
}

Ref<CSSGridLineValue> CSSGridLineValue::create(RefPtr<CSSPrimitiveValue>&& spanValue, RefPtr<CSSPrimitiveValue>&& numericValue, RefPtr<CSSPrimitiveValue>&& gridLineName)
{
    return adoptRef(*new CSSGridLineValue(WTF::move(spanValue), WTF::move(numericValue), WTF::move(gridLineName)));
}

bool CSSGridLineValue::equals(const CSSGridLineValue& other) const
{
    auto equals = [](CSSPrimitiveValue* value, CSSPrimitiveValue* otherValue) {
        if ((!value && otherValue) || (value && !otherValue))
            return false;
        return (!value && !otherValue) || value->equals(*otherValue);
    };

    if (!equals(protectedSpanValue().get(), other.protectedSpanValue().get()))
        return false;
    if (!equals(protectedNumericValue().get(), other.protectedNumericValue().get()))
        return false;
    if (!equals(protectedGridLineName().get(), other.protectedGridLineName().get()))
        return false;

    return true;
}

} // namespace WebCore