org.ucl.xpath.ast
Class AxisStep

java.lang.Object
  org.ucl.xpath.ast.XPathNode
      org.ucl.xpath.ast.Expr
          org.ucl.xpath.ast.StepExpr
              org.ucl.xpath.ast.AxisStep

public class AxisStep

extends StepExpr

Class for AxisStep, this generates a sequence of zero or more nodes. These nodes are always returned in Document Order. This can be Forward Step or Reverse Step.

Constructor Summary

AxisStep(Step step, java.util.Collection exprs)
Constructor for AxisStep.

Method Summary

java.lang.Object	accept(XPathVisitor v) Support for Visitor interface.
java.util.Iterator	iterator() Interator.
int	predicate_count() Determines size of expressions.
void	set_step(Step s) Set the step direction.
Step	step() Advances to next step.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AxisStep

public AxisStep(Step step,
                java.util.Collection exprs)

Constructor for AxisStep.

Parameters:

step - Defines forward/reverse step.

exprs - Collection of xpath expressions.

Method Detail

accept

public java.lang.Object accept(XPathVisitor v)

Support for Visitor interface.

Specified by:

accept in class XPathNode

Returns:

Result of Visitor operation.

step

public Step step()

Advances to next step.

Returns:

Previous step.

set_step

public void set_step(Step s)

Set the step direction.

iterator

public java.util.Iterator iterator()

Interator.

Returns:

Iterated expressions.

predicate_count

public int predicate_count()

Determines size of expressions.

Returns:

Size of expressions.