edu.upenn.cis.ptb.xpath
Class RightEdgeFunction

java.lang.Object
  edu.upenn.cis.ptb.xpath.RightEdgeFunction

All Implemented Interfaces:

org.jaxen.Function

public class RightEdgeFunction

extends java.lang.Object

implements org.jaxen.Function

Right edge check of LPath. This function has the signature:

 boolean r-edge()
 

Returns true if the context node has no node on its following axis, i.e., it is on the right periphery of the tree. For example:

  =>>::S/=>>::PP[r-edge()]
 

Selects all the PPs on the right edge that are dominated by an S.

Author:

nikhild

See Also:

PTBXPath

Constructor Summary

RightEdgeFunction()
Creates a new instance of SubtreeScoping

Method Summary

java.lang.Object

call(org.jaxen.Context context, java.util.List list)

Methods inherited from class java.lang.Object

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

Constructor Detail

RightEdgeFunction

public RightEdgeFunction()

Creates a new instance of SubtreeScoping

Method Detail

call

public java.lang.Object call(org.jaxen.Context context,
                             java.util.List list)
                      throws org.jaxen.FunctionCallException

Specified by:

call in interface org.jaxen.Function

Throws:

org.jaxen.FunctionCallException