public XElement AddXsElementIfNotPresent(XElement parentXsElement, XElement childXsElement)
{
XElement parentChoiceOrSequenceElement = XsMetaModel.ChoiceOrSequenceFor(XsMetaModel.ComplexTypeFor(parentXsElement));
if (parentChoiceOrSequenceElement == null)
{
throw new ArgumentException(Log.LogAndReturn("Unable to locate complexType/sequence or complexType/choice under supplied parent XSD element"));
}
XAttribute childXsElementAttr = childXsElement.Attribute("name");
string localName = childXsElementAttr.Value;
XNamespace ns = "*";
IEnumerable <XElement> existingElements = parentChoiceOrSequenceElement.Descendants(ns + childXsElement.Name.LocalName);
foreach (XElement xsElement in existingElements)
{
XAttribute attr = xsElement.Attribute("name");
if (attr != null && attr.Value.Equals(localName))
{
return(xsElement);
}
}
parentChoiceOrSequenceElement.Add(childXsElement);
return(childXsElement);
}
