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java.lang.Object
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+--org.apache.xpath.XPathVisitor
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+--org.apache.xalan.templates.VarNameCollector
This class visits variable refs in an XPath and collects their QNames.
| Constructor Summary | |
VarNameCollector()
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| Method Summary | |
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 |
visitBinaryOperation,
visitFunction,
visitLocationPath,
visitMatchPattern,
visitNumberLiteral,
visitPredicate,
visitStep,
visitStringLiteral,
visitUnaryOperation,
visitUnionPath,
visitUnionPattern |
| Methods inherited from class java.lang.Object |
equals,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
| Constructor Detail |
public VarNameCollector()
| Method Detail |
public void reset()
public int getVarCount()
public boolean visitVariableRef(ExpressionOwner owner,
Variable var)
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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