org.apache.xpath.patterns
Class ContextMatchStepPattern

java.lang.Object
  org.apache.xpath.Expression
      org.apache.xpath.patterns.NodeTest
          org.apache.xpath.patterns.StepPattern
              org.apache.xpath.patterns.ContextMatchStepPattern

All Implemented Interfaces:

Serializable, SourceLocator, SubContextList, ExpressionNode, ExpressionOwner, XPathVisitable

public class ContextMatchStepPattern
extends StepPattern

Special context node pattern matcher.

See Also:

Serialized Form

Field Summary

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

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

Constructor Summary

ContextMatchStepPattern(int axis, int paxis)
Construct a ContextMatchStepPattern.

Method Summary

XObject	execute(XPathContext xctxt) Execute this pattern step, including predicates.
XObject	executeRelativePathPattern(XPathContext xctxt, StepPattern prevStep) Execute the match pattern step relative to another step.

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

calcScore, calcTargetString, callVisitors, canTraverseOutsideSubtree, deepEquals, execute, execute, fixupVariables, getAxis, getExpression, getLastPos, getMatchScore, getPredicate, getPredicateCount, getPredicates, getProximityPosition, getRelativePathPattern, getTargetString, setAxis, setExpression, setPredicates, setRelativePathPattern, toString

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

debugWhatToShow, getDefaultScore, getLocalName, getNamespace, getNodeTypeTest, getStaticScore, getWhatToShow, initNodeTest, initNodeTest, setLocalName, setNamespace, setStaticScore, setWhatToShow

Methods inherited from class org.apache.xpath.Expression

asIterator, asIteratorRaw, asNode, assertion, bool, error, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isStableNumber, num, warn, xstr

Methods inherited from class java.lang.Object

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

Constructor Detail

ContextMatchStepPattern

public ContextMatchStepPattern(int axis,
                               int paxis)

Construct a ContextMatchStepPattern.

Method Detail

execute

public XObject execute(XPathContext xctxt)
                throws TransformerException

Execute this pattern step, including predicates.

Overrides:

execute in class StepPattern

Parameters:

xctxt - XPath runtime context.

Returns:

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

Throws:

TransformerException

executeRelativePathPattern

public XObject executeRelativePathPattern(XPathContext xctxt,
                                          StepPattern prevStep)
                                   throws TransformerException

Execute the match pattern step relative to another step.

Parameters:

xctxt - The XPath runtime context. NEEDSDOC @param prevStep

Returns:

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

Throws:

TransformerException