public ISID GetElement(COLLADA root, out string selector)
{
selector = null;
string[] parts = Path.Split('/');
string idName = parts[0];
List <IID> ids = root.GetIDEntries(idName);
if (ids.Count == 0)
{
return(null);
}
if (ids.Count > 1)
{
//Minor edge case which doesn't typically happen.
//TODO: determine which is which
throw new InvalidOperationException($"{ids.Count} ID entries named '{idName}'. Cannot determine which is which.");
}
ISIDAncestor ancestor = ids[0];
for (int i = 1; i < parts.Length; ++i)
{
string part = parts[i];
int selectorIndex = part.IndexOf('.');
if (selectorIndex >= 0)
{
selector = part.Substring(selectorIndex + 1);
part = part.Substring(0, selectorIndex);
}
else
{
int dimSelector = part.IndexOf('(');
if (dimSelector >= 0)
{
selector = part.Substring(dimSelector);
part = part.Substring(0, dimSelector);
}
}
ancestor = ancestor.SIDElementChildren.FirstOrDefault(x => string.Equals(x.SID, part, StringComparison.InvariantCulture));
}
return(ancestor as ISID);
}