public Msubsup(IBuildable[] contents)
{ // handle star superscript
List <IBuildable> localCopy = new List <IBuildable>(contents);
if (localCopy.Count == 3)
{
Mo mo = localCopy[2] as Mo;
if (mo != null && mo.IsTimesOrStar)
{
Mi subscript = localCopy[1] as Mi;
if (subscript != null)
{
subscript.Content += Semantics.starPrefix;
localCopy.RemoveAt(2);
}
else
{
// maybe the subscript is an mrow
Mrow row = localCopy[1] as Mrow;
if (row != null && row.LastElement != null && row.LastElement is WithTextContent)
{
WithTextContent lastElem = (WithTextContent)row.LastElement;
lastElem.Content += Semantics.starPrefix;
localCopy.RemoveAt(2);
}
}
}
}
base.contents = localCopy.ToArray();
}
public override void Visit(StringBuilder sb, BuildContext context)
{
if (contents.Length == 3)
{
// is the first one an operator?
Mo mo = contents[0] as Mo;
if (mo != null)
{
if (mo.IsSigma)
{
//todo: summation!
}
}
}
else
{
sb.Append("Munderover must have 3 items");
}
}
