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java.lang.Objectcom.caucho.xpath.pattern.AbstractPattern
com.caucho.xpath.pattern.FromRoot
public class FromRoot
Represents a match with the document root.
Field Summary |
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Fields inherited from class com.caucho.xpath.pattern.AbstractPattern |
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_child, _parent, log, XMLNS |
Constructor Summary | |
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FromRoot()
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Method Summary | |
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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. |
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)
Matches the owner document. |
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. |
java.lang.String |
toString()
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Methods inherited from class com.caucho.xpath.pattern.AbstractPattern |
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findAny, getNodeName, getParent, getPrefix, getPriority, isAscending, lastNode, select, selectUnique, toPatternString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public FromRoot()
Method Detail |
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public boolean match(org.w3c.dom.Node node, ExprEnvironment env)
match
in class AbstractPattern
node
- the current nodeenv
- the variable environment
public org.w3c.dom.Node firstNode(org.w3c.dom.Node node, ExprEnvironment env)
firstNode
in class AbstractPattern
node
- the current node
public org.w3c.dom.Node nextNode(org.w3c.dom.Node node, org.w3c.dom.Node lastNode)
nextNode
in class AbstractPattern
node
- the current nodelastNode
- the last node
public boolean isStrictlyAscending()
public boolean equals(java.lang.Object b)
equals
in class java.lang.Object
public java.lang.String toString()
toString
in class java.lang.Object
public int position(org.w3c.dom.Node node, Env env, AbstractPattern pattern) throws XPathException
position
in class AbstractPattern
node
- the current nodeenv
- the variable environmentpattern
- the position pattern
XPathException
public int count(org.w3c.dom.Node node, Env env, AbstractPattern pattern) throws XPathException
count
in class AbstractPattern
node
- the current nodeenv
- the variable environmentpattern
- the position pattern
XPathException
public NodeIterator createNodeIterator(org.w3c.dom.Node node, ExprEnvironment env, AbstractPattern match) throws XPathException
createNodeIterator
in class AbstractPattern
node
- the starting nodeenv
- the variable environmentmatch
- the axis match pattern
XPathException
public AbstractPattern copyAxis()
copyAxis
in class AbstractPattern
public AbstractPattern copyPosition()
copyPosition
in class AbstractPattern
public boolean isUnique()
isUnique
in class AbstractPattern
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