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java.lang.Objectorg.apache.xpath.XPathVisitor
org.apache.xalan.templates.VarNameCollector
public class VarNameCollector
This class visits variable refs in an XPath and collects their QNames.
Constructor Summary | |
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VarNameCollector()
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Method Summary | |
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int |
getVarCount()
Get the number of variable references that were collected. |
void |
reset()
Reset the list for a fresh visitation and collection. |
boolean |
visitVariableRef(ExpressionOwner owner,
Variable var)
Visit a variable reference. |
Methods inherited from class org.apache.xpath.XPathVisitor |
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visitBinaryOperation, visitFunction, visitLocationPath, visitMatchPattern, visitNumberLiteral, visitPredicate, visitStep, visitStringLiteral, visitUnaryOperation, visitUnionPath, visitUnionPattern |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public VarNameCollector()
Method Detail |
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public void reset()
public int getVarCount()
public boolean visitVariableRef(ExpressionOwner owner, Variable var)
visitVariableRef
in class XPathVisitor
owner
- The owner of the expression, to which the expression can
be reset if rewriting takes place.var
- The variable reference object.
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