org.ucl.xpath.ast
Class ForwardStep

java.lang.Object
  org.ucl.xpath.ast.XPathNode
      org.ucl.xpath.ast.Step
          org.ucl.xpath.ast.ForwardStep

public class ForwardStep

extends Step

Class for Forward stepping support for Step operations.

Field Summary

static int	AT_SYM Set internal value for AT_SYM.
static int	ATTRIBUTE Set internal value for ATTRIBUTE.
static int	CHILD Set internal value for CHILD.
static int	DESCENDANT Set internal value for DESCENDANT.
static int	DESCENDANT_OR_SELF Set internal value for DESCENDANT_OR_SELF.
static int	FOLLOWING Set internal value for FOLLOWING.
static int	FOLLOWING_SIBLING Set internal value for FOLLOWING_SIBLING.
static int	NAMESPACE Set internal value for NAMESPACE.
static int	NONE Set internal value for NONE.
static int	SELF Set internal value for SELF.

Constructor Summary

ForwardStep(int axis, NodeTest node_test)
Constructor for ForwardStep.

Method Summary

java.lang.Object	accept(XPathVisitor v) Support for Visitor interface.
int	axis() Support for Axis interface.
ForwardAxis	iterator() Support for Iterator interface.
void	set_axis(int axis) Set Axis to current.

Methods inherited from class org.ucl.xpath.ast.Step

node_test

Methods inherited from class java.lang.Object

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

Field Detail

NONE

public static final int NONE

Set internal value for NONE.

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Constant Field Values

CHILD

public static final int CHILD

Set internal value for CHILD.

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Constant Field Values

DESCENDANT

public static final int DESCENDANT

Set internal value for DESCENDANT.

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Constant Field Values

ATTRIBUTE

public static final int ATTRIBUTE

Set internal value for ATTRIBUTE.

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Constant Field Values

SELF

public static final int SELF

Set internal value for SELF.

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Constant Field Values

DESCENDANT_OR_SELF

public static final int DESCENDANT_OR_SELF

Set internal value for DESCENDANT_OR_SELF.

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Constant Field Values

FOLLOWING_SIBLING

public static final int FOLLOWING_SIBLING

Set internal value for FOLLOWING_SIBLING.

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Constant Field Values

FOLLOWING

public static final int FOLLOWING

Set internal value for FOLLOWING.

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Constant Field Values

NAMESPACE

public static final int NAMESPACE

Set internal value for NAMESPACE.

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Constant Field Values

AT_SYM

public static final int AT_SYM

Set internal value for AT_SYM.

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Constant Field Values

Constructor Detail

ForwardStep

public ForwardStep(int axis,
                   NodeTest node_test)

Constructor for ForwardStep.

Parameters:

axis - Axis number.

node_test - Node test.

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.

axis

public int axis()

Support for Axis interface.

Returns:

Result of Axis operation.

set_axis

public void set_axis(int axis)

Set Axis to current.

Parameters:

axis - Axis to set.

iterator

public ForwardAxis iterator()

Support for Iterator interface.

Returns:

Result of Iterator operation.