/**
* Evaluate the expression
*
* @param arguments the values of the arguments, supplied as SequenceIterators
* @param context the dynamic evaluation context
* @return the result of the evaluation, in the form of a SequenceIterator
* @throws net.sf.saxon.trans.XPathException if a dynamic error occurs during the evaluation of
* the expression
*/
public SequenceIterator call(SequenceIterator[] arguments, XPathContext context)
throws XPathException {
StringValue hrefVal = (StringValue) arguments[0].next();
String encoding = (getNumberOfArguments() == 2 ? arguments[1].next().getStringValue() : null);
return Value.asIterator(evalUnparsedText(hrefVal, encoding, context));
}
