org.ucl.xpath.function
Class FnReverse

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

public class FnReverse

extends Function

Sequence reverse function.

Usage: fn:reverse($arg as item()*) as item()*

This class reverses the order of items in a sequence. If $arg is the empty sequence, the empty sequence is returned.

Field Summary

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

_arity, _fl, _name

Constructor Summary

FnReverse()
Constructor for FnReverse.

Method Summary

ResultSequence	evaluate(java.util.Collection args) Evaluate the arguments.
static ResultSequence	reverse(java.util.Collection args) Reverse the arguments.

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

FnReverse

public FnReverse()

Constructor for FnReverse.

Method Detail

evaluate

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

Evaluate the arguments.

Specified by:

evaluate in class Function

Parameters:

args - are evaluated.

Returns:

The evaluation of the reversal of the arguments.

Throws:

DynamicError - Dynamic error.

reverse

public static ResultSequence reverse(java.util.Collection args)
                              throws DynamicError

Reverse the arguments.

Parameters:

args - are reversed.

Returns:

The result of the reversal of the arguments.

Throws:

DynamicError - Dynamic error.