public static T?GetUriElementReference <T>(this SvgElement svgOwnerElement, string name, HashSet <Uri> uris) where T : SvgElement
{
var uri = svgOwnerElement.GetUri(name);
if (uri != null)
{
if (HasRecursiveReference(svgOwnerElement, (e) => e.GetUri(name), uris))
{
return(null);
}
var svgElement = GetReference <T>(svgOwnerElement, uri);
if (svgElement == null)
{
return(null);
}
return(svgElement);
}
return(null);
}