public static bool FnEmpty (XPathSequence e) { if (e is XPathEmptySequence) return true; return !e.GetEnumerator ().MoveNext (); }
public static XPathSequence FnIndexOf (XQueryContext ctx, XPathSequence items, XPathItem item, CultureInfo ci) { ArrayList al = new ArrayList (); IEnumerator e = items.GetEnumerator (); for (int i = 0; e.MoveNext (); i++) { XPathItem iter = e.Current as XPathItem; if (iter.XmlType.TypeCode == XmlTypeCode.String) { if (ci.CompareInfo.Compare (iter.Value, item.Value) == 0) al.Add (i); } else { IComparable ic = (IComparable) iter.TypedValue; if (ic.CompareTo ((IComparable) item.TypedValue) == 0) al.Add (i); } } return new ListIterator (ctx, al); }