org.apache.xpath.axes
Class PrecedingSiblingWalker

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.patterns.NodeTest
              |
              +--org.apache.xpath.axes.PredicatedNodeTest
                    |
                    +--org.apache.xpath.axes.AxesWalker
                          |
                          +--org.apache.xpath.axes.ReverseAxesWalker
                                |
                                +--org.apache.xpath.axes.PrecedingSiblingWalker

public class PrecedingSiblingWalker

extends ReverseAxesWalker

Walker for the 'preceding-sibling' axes.

See Also:

XPath axes descriptions, Serialized Form

Fields inherited from class org.apache.xpath.axes.AxesWalker

FEATURE_NODETESTFILTER

Fields inherited from class org.apache.xpath.patterns.NodeTest

SCORE_NODETEST, SCORE_NONE, SCORE_NSWILD, SCORE_OTHER, SCORE_QNAME, SHOW_BYFUNCTION, SHOW_NAMESPACE, SUPPORTS_PRE_STRIPPING, WILD

Constructor Summary

PrecedingSiblingWalker(LocPathIterator locPathIterator)
Construct a PrecedingSiblingWalker using a LocPathIterator.

Method Summary

Node	nextSibling() Moves the TreeWalker to the next sibling of the current node, and returns the new node.

Methods inherited from class org.apache.xpath.axes.ReverseAxesWalker

getLastPos, isReverseAxes, setRoot

Methods inherited from class org.apache.xpath.axes.AxesWalker

canTraverseOutsideSubtree, clone, firstChild, getCurrentNode, getExpandEntityReferences, getFilter, getNextWalker, getPrevWalker, getRoot, init, lastChild, nextNode, parentNode, previousNode, previousSibling, setCurrentNode, setNextWalker, setPrevWalker, toString

Methods inherited from class org.apache.xpath.axes.PredicatedNodeTest

acceptNode, getLocPathIterator, getPredicateCount, getPredicateIndex, getProximityPosition, getProximityPosition, initProximityPosition, resetProximityPositions, setLocPathIterator, setPredicateCount

Methods inherited from class org.apache.xpath.patterns.NodeTest

debugWhatToShow, execute, execute, getDefaultScore, getLocalName, getNamespace, getWhatToShow, initNodeTest, initNodeTest

Methods inherited from class org.apache.xpath.Expression

assert, error, setSourceLocator, warn

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PrecedingSiblingWalker

public PrecedingSiblingWalker(LocPathIterator locPathIterator)

Construct a PrecedingSiblingWalker using a LocPathIterator.

Parameters:

locPathIterator - The location path iterator that 'owns' this walker.

Method Detail

nextSibling

public Node nextSibling()

Moves the TreeWalker to the next sibling of the current node, and returns the new node. If the current node has no visible next sibling, returns null , and retains the current node.

Returns:

The new node, or null if the current node has no next sibling in the TreeWalker's logical view.

Overrides:

nextSibling in class AxesWalker