org.apache.xpath.patterns
Class AncestorStepPattern

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.patterns.NodeTest
              |
              +--org.apache.xpath.patterns.StepPattern
                    |
                    +--org.apache.xpath.patterns.AncestorStepPattern

public class AncestorStepPattern

extends StepPattern

**For advanced use only** Implements a match pattern step that tests an ancestor.

See Also:

Serialized Form

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

AncestorStepPattern(int whatToShow)
Construct an AncestorStepPattern that doesn't test for node names.

AncestorStepPattern(int whatToShow, java.lang.String namespace, java.lang.String name)
Construct an AncestorStepPattern that tests for namespaces and node names.

Method Summary

XObject	execute(XPathContext xctxt) Overide the super method so that we can handle match patterns starting with a function such as id()/
XObject	executeRelativePathPattern(XPathContext xctxt) Execute the match pattern step relative to another step.

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

calcTargetString, canTraverseOutsideSubtree, executeStep, getLastPos, getMatchScore, getPredicate, getPredicateCount, getProximityPosition, getTargetString, setPredicates, setRelativePathPattern

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

debugWhatToShow, 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, toString, wait, wait, wait

Constructor Detail

AncestorStepPattern

public AncestorStepPattern(int whatToShow,
                           java.lang.String namespace,
                           java.lang.String name)

Construct an AncestorStepPattern that tests for namespaces and node names.

Parameters:

whatToShow - Bit set defined mainly by NodeFilter.

namespace - The namespace to be tested.

name - The local name to be tested.

AncestorStepPattern

public AncestorStepPattern(int whatToShow)

Construct an AncestorStepPattern that doesn't test for node names.

Parameters:

whatToShow - Bit set defined mainly by NodeFilter.

Method Detail

execute

public XObject execute(XPathContext xctxt)
                throws TransformerException

Overide the super method so that we can handle match patterns starting with a function such as id()/

Parameters:

xctxt - XPath runtime context.

Returns:

NodeTest.SCORE_NODETEST, NodeTest.SCORE_NONE, NodeTest.SCORE_NSWILD, NodeTest.SCORE_QNAME, or NodeTest.SCORE_OTHER.

Throws:

TransformerException -

Overrides:

execute in class StepPattern

executeRelativePathPattern

public XObject executeRelativePathPattern(XPathContext xctxt)
                                   throws TransformerException

Execute the match pattern step relative to another step.

Parameters:

xctxt - The XPath runtime context.

Returns:

NodeTest.SCORE_NODETEST, NodeTest.SCORE_NONE, NodeTest.SCORE_NSWILD, NodeTest.SCORE_QNAME, or NodeTest.SCORE_OTHER.

Throws:

TransformerException -

Overrides:

executeRelativePathPattern in class StepPattern