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java.lang.Objectcom.caucho.xpath.Expr
com.caucho.xpath.expr.NodeSetExpr
public class NodeSetExpr
Field Summary |
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Fields inherited from class com.caucho.xpath.Expr |
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ADD, AND, ATTRIBUTE, BASE_URI, BOOLEAN, BOOLEAN_EQ, BOOLEAN_NEQ, CEILING, CONCAT, CONST, CONTAINS, COUNT, DIV, ELEMENT, EQ, FALSE, FLOOR, FORMAT_NUMBER, FUNCTION_AVAILABLE, GE, GENERATE_ID, GT, ID, IF, LANG, LAST, LAST_FUN, LE, LOCAL_PART, LT, MOD, MUL, NAMESPACE, NEG, NEQ, NODE_SET, NORMALIZE, NOT, NUMBER, NUMBER_EQ, NUMBER_GE, NUMBER_GT, NUMBER_LE, NUMBER_LT, NUMBER_NEQ, OR, POSITION, QNAME, QUO, ROUND, SELF, SELF_NAME, STARTS_WITH, STRING, STRING_EQ, STRING_LENGTH, STRING_NEQ, SUB, SUBSTRING, SUBSTRING_AFTER, SUBSTRING_BEFORE, SUM, SYSTEM_PROPERTY, TRANSLATE, TRUE |
Method Summary | |
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static Expr |
create(AbstractPattern pattern)
Creates an expr, handling some special cases. |
boolean |
equals(java.lang.Object b)
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boolean |
evalBoolean(org.w3c.dom.Node node,
ExprEnvironment env)
Returns true if there are any patterns matching the pattern. |
NodeIterator |
evalNodeSet(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluate a node-set object, returning an iterator of the node set. |
double |
evalNumber(org.w3c.dom.Node node,
ExprEnvironment env)
Returns the value of the expression as a number. |
java.lang.Object |
evalObject(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluate a node-set object, returning an ArrayList of the node set. |
java.lang.String |
evalString(org.w3c.dom.Node node,
ExprEnvironment env)
Returns the value of the node set expression as a string. |
AbstractPattern |
getPattern()
Returns the underlying pattern. |
boolean |
isNodeSet()
NodeSetExprs prefer to be node sets. |
protected AbstractPattern |
toNodeList()
Convert from an expression to a pattern. |
java.lang.String |
toString()
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Methods inherited from class com.caucho.xpath.Expr |
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addParam, addVar, evalBoolean, evalNodeSet, evalNumber, evalObject, evalString, evalString, evalString, evalVar, getListContext, isBoolean, isNumber, isString, setListContext, setVar, stringToNumber, toBoolean, toDouble, toNode, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Method Detail |
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public static Expr create(AbstractPattern pattern)
public AbstractPattern getPattern()
public boolean isNodeSet()
isNodeSet
in class Expr
public double evalNumber(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalNumber
in class Expr
node
- the current nodeenv
- the variable environment.
XPathException
public boolean evalBoolean(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalBoolean
in class Expr
node
- the current nodeenv
- the variable environment.
XPathException
public java.lang.String evalString(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalString
in class Expr
node
- the current nodeenv
- the variable environment
XPathException
public java.lang.Object evalObject(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalObject
in class Expr
node
- the current nodeenv
- the variable environment
XPathException
public NodeIterator evalNodeSet(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalNodeSet
in class Expr
node
- the current nodeenv
- the variable environment
XPathException
protected AbstractPattern toNodeList()
toNodeList
in class Expr
public boolean equals(java.lang.Object b)
equals
in class java.lang.Object
public java.lang.String toString()
toString
in class java.lang.Object
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