static float computeLength(CSSValue* value, RenderStyle& style, RenderView* view)
{
CSSToLengthConversionData conversionData(&style, &style, view);
if (is<CSSPrimitiveValue>(value)) {
CSSPrimitiveValue& primitiveValue = downcast<CSSPrimitiveValue>(*value);
if (!primitiveValue.isLength())
return defaultLength(style, view);
return primitiveValue.computeLength<float>(conversionData);
}
if (is<CSSCalcValue>(value))
return downcast<CSSCalcValue>(*value).computeLengthPx(conversionData);
return defaultLength(style, view);
}
static float computeLength(CSSValue* value, RenderStyle& style, RenderView* view)
{
CSSToLengthConversionData conversionData(&style, &style, view);
if (is<CSSPrimitiveValue>(value)) {
CSSPrimitiveValue& primitiveValue = downcast<CSSPrimitiveValue>(*value);
if (!primitiveValue.isLength())
return defaultLength(style, view);
return primitiveValue.computeLength<float>(conversionData);
}
if (is<CSSCalcValue>(value)) {
Length length(downcast<CSSCalcValue>(*value).createCalculationValue(conversionData));
return CSSPrimitiveValue::create(length, &style)->computeLength<float>(conversionData);
}
return defaultLength(style, view);
}
float parseSizesAttribute(StringView sizesAttribute, RenderView* view, Frame* frame)
{
if (!view)
return 0;
RenderStyle& style = view->style();
for (auto& sourceSize : CSSParser(CSSStrictMode).parseSizesAttribute(sizesAttribute)) {
if (match(WTFMove(sourceSize.expression), style, frame))
return computeLength(sourceSize.length.get(), style, view);
}
return defaultLength(style, view);
}
