private void ExtractData(XElement typeElement, SimpleType type)
{
var restriction = typeElement.Elements().SingleOrDefault(e => e.Name.LocalName.Contains("restriction"));
if (restriction == null)
{
throw new Exception($"Element 'restriction' not found in type {typeElement.Name.NamespaceName}");
}
var baseTypeAttribute = restriction.Attribute("base");
if (baseTypeAttribute == null)
{
throw new Exception($"Element 'restriction' must have attribute 'base'");
}
type.BaseType = baseTypeAttribute.Value;
foreach (var restrictionElement in restriction.Elements())
{
var processedRestriction = Restriction.GetRestriction(restrictionElement);
type.AddRestriction(processedRestriction);
}
}