org.ucl.xpath.function
Class FnPosition

java.lang.Object
  org.ucl.xpath.function.Function
      org.ucl.xpath.function.FnPosition

public class FnPosition

extends Function

Returns an xs:integer indicating the position of the context item within the sequence of items currently being processed. If the context item is undefined, an error is raised [err:FONC0001].

Field Summary

Fields inherited from class org.ucl.xpath.function.Function

_arity, _fl, _name

Constructor Summary

FnPosition()
Constructor for FnPosition.

Method Summary

ResultSequence	evaluate(java.util.Collection args) Evaluate arguments.
static ResultSequence	position(java.util.Collection args, DynamicContext dc) Position operation.

Methods inherited from class org.ucl.xpath.function.Function

arity, convert_argument, convert_arguments, dynamic_context, name, set_function_library, signature, signature, signature, static_context

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FnPosition

public FnPosition()

Constructor for FnPosition.

Method Detail

evaluate

public ResultSequence evaluate(java.util.Collection args)
                        throws DynamicError

Evaluate arguments.

Specified by:

evaluate in class Function

Parameters:

args - argument expressions.

Returns:

Result of evaluation.

Throws:

DynamicError - Dynamic error.

position

public static ResultSequence position(java.util.Collection args,
                                      DynamicContext dc)
                               throws DynamicError

Position operation.

Parameters:

args - Result from the expressions evaluation.

dc - Result of dynamic context operation.

Returns:

Result of fn:position operation.

Throws:

DynamicError - Dynamic error.