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java.lang.Objectcom.caucho.xpath.pattern.AbstractPattern
com.caucho.xpath.pattern.FromExpr
public class FromExpr
matches if the expression returns a node set and the test-node is contained in that node set.
The code interprets Iterators, ArrayLists, and Nodes as node sets.
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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FromExpr(AbstractPattern parent,
Expr expr)
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Method Summary | |
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int |
count(org.w3c.dom.Node node,
Env env,
AbstractPattern pattern)
The count is the size of the expression node-set. |
NodeIterator |
createNodeIterator(org.w3c.dom.Node node,
ExprEnvironment env,
AbstractPattern match)
Creates a new node iterator. |
boolean |
match(org.w3c.dom.Node node,
ExprEnvironment env)
matches if the expression returns a node set and the test-node is contained in that node set. |
int |
position(org.w3c.dom.Node node,
Env env,
AbstractPattern pattern)
The position is the position in the expression node-set. |
java.lang.String |
toString()
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Methods inherited from class com.caucho.xpath.pattern.AbstractPattern |
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copyAxis, copyPosition, findAny, firstNode, getNodeName, getParent, getPrefix, getPriority, isAscending, isStrictlyAscending, isUnique, lastNode, nextNode, select, selectUnique, toPatternString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public FromExpr(AbstractPattern parent, Expr expr)
Method Detail |
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public boolean match(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
match
in class AbstractPattern
node
- the node to testenv
- the variable environment.
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 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 java.lang.String toString()
toString
in class java.lang.Object
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