com.caucho.xpath.pattern

Class FromAny

java.lang.Object

com.caucho.xpath.pattern.AbstractPattern

com.caucho.xpath.pattern.FromAny

public class FromAny
extends AbstractPattern

matches any node. The 'any' axis is the root of a match pattern.

Field Summary

Fields inherited from class com.caucho.xpath.pattern.AbstractPattern

_child, _parent, log, XMLNS

Constructor Summary

Constructors

Constructor and Description
FromAny()

Method Summary

Modifier and Type	Method and Description
AbstractPattern	copyAxis() Returns the node itself for the axis.
AbstractPattern	copyPosition() Returns null since the axis isn't part of the position pattern.
int	count(org.w3c.dom.Node node, Env env, AbstractPattern pattern) Counts the nodes within the axis matching the pattern.
int	count(org.w3c.dom.Node node, ExprEnvironment env, AbstractPattern pattern)
NodeIterator	createNodeIterator(org.w3c.dom.Node node, ExprEnvironment env, AbstractPattern match) Creates a new node iterator.
boolean	equals(java.lang.Object b) Returns true if the two patterns are equal.
org.w3c.dom.Node	firstNode(org.w3c.dom.Node node, ExprEnvironment env) Returns the first node in the selection order.
boolean	isStrictlyAscending() The root is strictly ascending.
boolean	isUnique() Returns true if the pattern's selector returns unique nodes.
boolean	match(org.w3c.dom.Node node, ExprEnvironment env) All nodes match
org.w3c.dom.Node	nextNode(org.w3c.dom.Node node, org.w3c.dom.Node lastNode) Returns the next node in the selection order.
int	position(org.w3c.dom.Node node, Env env, AbstractPattern pattern) Calculates the position of the node in its context.
int	position(org.w3c.dom.Node node, ExprEnvironment env, AbstractPattern pattern)
java.lang.String	toString()

Methods inherited from class com.caucho.xpath.pattern.AbstractPattern

findAny, getNodeName, getParent, getPrefix, getPriority, isAscending, lastNode, select, selectUnique, toPatternString

Methods inherited from class java.lang.Object

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

Constructor Detail

FromAny

public FromAny()

Method Detail

match

public boolean match(org.w3c.dom.Node node,
                     ExprEnvironment env)

All nodes match

Specified by:

match in class AbstractPattern

Parameters:

node - the current node

env - the variable environment

Returns:

true

firstNode

public org.w3c.dom.Node firstNode(org.w3c.dom.Node node,
                                  ExprEnvironment env)

Returns the first node in the selection order.

Overrides:

firstNode in class AbstractPattern

Parameters:

node - the current node

Returns:

the first node

nextNode

public org.w3c.dom.Node nextNode(org.w3c.dom.Node node,
                                 org.w3c.dom.Node lastNode)

Returns the next node in the selection order.

Overrides:

nextNode in class AbstractPattern

Parameters:

node - the current node

lastNode - the last node

Returns:

the next node

isStrictlyAscending

public boolean isStrictlyAscending()

The root is strictly ascending.

position

public int position(org.w3c.dom.Node node,
                    ExprEnvironment env,
                    AbstractPattern pattern)

count

public int count(org.w3c.dom.Node node,
                 ExprEnvironment env,
                 AbstractPattern pattern)

equals

public boolean equals(java.lang.Object b)

Returns true if the two patterns are equal.

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

position

public int position(org.w3c.dom.Node node,
                    Env env,
                    AbstractPattern pattern)
             throws XPathException

Calculates the position of the node in its context.

Overrides:

position in class AbstractPattern

Parameters:

node - the current node

env - the variable environment

pattern - the position pattern

Returns:

the node's position.

Throws:

XPathException

count

public int count(org.w3c.dom.Node node,
                 Env env,
                 AbstractPattern pattern)
          throws XPathException

Counts the nodes within the axis matching the pattern.

Overrides:

count in class AbstractPattern

Parameters:

node - the current node

env - the variable environment

pattern - the position pattern

Returns:

the count of the node list.

Throws:

XPathException

createNodeIterator

public NodeIterator createNodeIterator(org.w3c.dom.Node node,
                                       ExprEnvironment env,
                                       AbstractPattern match)
                                throws XPathException

Creates a new node iterator.

Overrides:

createNodeIterator in class AbstractPattern

Parameters:

node - the starting node

env - the variable environment

match - the axis match pattern

Returns:

the node iterator

Throws:

XPathException

copyAxis

public AbstractPattern copyAxis()

Returns the node itself for the axis.

Overrides:

copyAxis in class AbstractPattern

copyPosition

public AbstractPattern copyPosition()

Returns null since the axis isn't part of the position pattern.

Overrides:

copyPosition in class AbstractPattern

isUnique

public boolean isUnique()

Returns true if the pattern's selector returns unique nodes.

Overrides:

isUnique in class AbstractPattern