Package org.apache.xpath.patterns
Class FunctionPattern
java.lang.Object
org.apache.xpath.Expression
org.apache.xpath.patterns.NodeTest
org.apache.xpath.patterns.StepPattern
org.apache.xpath.patterns.FunctionPattern
- All Implemented Interfaces:
Serializable
,SourceLocator
,SubContextList
,ExpressionNode
,ExpressionOwner
,XPathVisitable
Match pattern step that contains a function.
- See Also:
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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
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Constructor Summary
ConstructorsConstructorDescriptionFunctionPattern
(Expression expr, int axis, int predaxis) Construct a FunctionPattern from aexpression
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Method Summary
Modifier and TypeMethodDescriptionfinal void
Static calc of match score.execute
(XPathContext xctxt) Test a node to see if it matches the given node test.execute
(XPathContext xctxt, int context) Test a node to see if it matches the given node test.execute
(XPathContext xctxt, int context, DTM dtm, int expType) Test a node to see if it matches the given node test.void
fixupVariables
(Vector vars, int globalsSize) This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time.Methods inherited from class org.apache.xpath.patterns.StepPattern
calcTargetString, callVisitors, canTraverseOutsideSubtree, deepEquals, 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
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Constructor Details
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FunctionPattern
Construct a FunctionPattern from aexpression
. NEEDSDOC @param expr
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Method Details
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calcScore
public final void calcScore()Static calc of match score.- Overrides:
calcScore
in classStepPattern
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fixupVariables
This function is used to fixup variables from QNames to stack frame indexes at stylesheet build time.- Overrides:
fixupVariables
in classStepPattern
- Parameters:
vars
- List of QNames that correspond to variables. This list should be searched backwards for the first qualified name that corresponds to the variable reference qname. The position of the QName in the vector from the start of the vector will be its position in the stack frame (but variables above the globalsTop value will need to be offset to the current stack frame).globalsSize
- The number of variables in the global variable area.
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execute
Test a node to see if it matches the given node test.- Overrides:
execute
in classStepPattern
- Parameters:
xctxt
- XPath runtime context.context
- The current node context.- Returns:
NodeTest.SCORE_NODETEST
,NodeTest.SCORE_NONE
,NodeTest.SCORE_NSWILD
,NodeTest.SCORE_QNAME
, orNodeTest.SCORE_OTHER
.- Throws:
TransformerException
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execute
public XObject execute(XPathContext xctxt, int context, DTM dtm, int expType) throws TransformerException Test a node to see if it matches the given node test.- Overrides:
execute
in classStepPattern
- Parameters:
xctxt
- XPath runtime context.context
- The currentNode.dtm
- The DTM of the current node.expType
- The expanded type ID of the current node.- Returns:
NodeTest.SCORE_NODETEST
,NodeTest.SCORE_NONE
,NodeTest.SCORE_NSWILD
,NodeTest.SCORE_QNAME
, orNodeTest.SCORE_OTHER
.- Throws:
TransformerException
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execute
Test a node to see if it matches the given node test.- Overrides:
execute
in classStepPattern
- Parameters:
xctxt
- XPath runtime context.- Returns:
NodeTest.SCORE_NODETEST
,NodeTest.SCORE_NONE
,NodeTest.SCORE_NSWILD
,NodeTest.SCORE_QNAME
, orNodeTest.SCORE_OTHER
.- Throws:
TransformerException
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