private void GetAllLiterals(IList <SingleValue> allLiterals)
{
if (this is Literal)
{
SingleValue sv = (SingleValue)this;
if (allLiterals.IndexOf(sv) == -1)
{
allLiterals.Add((Literal)this);
}
}
else if (this is FunctionCalc)
{
foreach (var item in ((FunctionCalc)this).Inputs)
{
item.GetAllLiterals(allLiterals);
}
}
}
// ------------------------
private static string SingleValueAsText(SingleValue expr)
{
string sText = expr.Text;
return(sText);
}
