Execute the function. The function must return
a valid object.
Parameters: xctxt - The current execution context. A valid XObject. throws: javax.xml.transform.TransformerException -
Execute an expression in the XPath runtime context, and return the
result of the expression.
Parameters: xctxt - The XPath runtime context. The result of the expression in the form of a XObject. throws: javax.xml.transform.TransformerException - if a runtime exception occurs.
Fields inherited from org.apache.xpath.functions.FunctionDef1Arg