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java.lang.Object | +--com.caucho.xpath.Pattern
A node selection pattern. Patterns represent compiled XPath node selectors. They can be used to find nodes, select nodes, and test if a node matches a pattern.
There are two types of patterns: select patterns and match patterns.
Select patterns match a node relative to another node.
find
and select
use select patterns.
Match patterns match a node in isolation. isMatch
uses
match patterns.
Field Summary | |
protected static WriteStream |
dbg
|
Method Summary | |
Node |
find(Node context)
Returns the first node matching the pattern. |
Node |
find(Node context,
Env env)
Returns the first node matching the pattern. |
java.lang.String |
getNodeName()
Returns the name of the matching node or '*' if many nodes match. |
protected java.lang.String |
getPrefix()
|
double |
getPriority()
Returns the pattern's default priority as defined by the XSLT draft. |
boolean |
isMatch(Node node)
Test if the node matches the pattern. |
boolean |
isMatch(Node node,
Env env)
Test if the node matches the pattern. |
java.util.Iterator |
select(Node context)
Selects all nodes matching the pattern. |
java.util.Iterator |
select(Node node,
Env env)
Selects all nodes matching the pattern. |
java.lang.String |
toPatternString()
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected static WriteStream dbg
Method Detail |
public Node find(Node context)
context
- node represented by '.' and start of match.public Node find(Node context, Env env)
context
- node represented by '.' and start of match.env
- variable environment.public java.util.Iterator select(Node context)
context
- node represented by '.' and start of match.public java.util.Iterator select(Node node, Env env)
context
- node represented by '.' and start of match.env
- variable environment.public boolean isMatch(Node node)
node
- node to testpublic boolean isMatch(Node node, Env env)
node
- node to testenv
- variable environment.public double getPriority()
public java.lang.String getNodeName()
The Xsl package uses this to speed template matching.
protected java.lang.String getPrefix()
public java.lang.String toPatternString()
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