org.apache.xpath.functions
public class FunctionDef1Arg extends FunctionOneArg
UNKNOWN: advanced
Method Summary | |
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boolean | Arg0IsNodesetExpr()
Tell if the expression is a nodeset expression. |
boolean | canTraverseOutsideSubtree()
Tell if this expression or it's subexpressions can traverse outside
the current subtree.
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void | checkNumberArgs(int argNum)
Check that the number of arguments passed to this function is correct.
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Returns: true if the expression can be represented as a nodeset.
Returns: true if traversal outside the context node's subtree can occur.
Parameters: argNum The number of arguments that is being passed to the function.
Throws: WrongNumberArgsException if the number of arguments is not 0 or 1.