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java.lang.Objectcom.caucho.xpath.Expr
com.caucho.xpath.expr.AbstractNumberExpr
public abstract class AbstractNumberExpr
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 |
Constructor Summary | |
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AbstractNumberExpr()
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Method Summary | |
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boolean |
evalBoolean(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluates the expression as a boolean. |
abstract double |
evalNumber(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluates the expression as a number. |
java.lang.Object |
evalObject(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluates the expression as an object. |
java.lang.String |
evalString(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluates the expression as a string. |
Var |
evalVar(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluates to a variable. |
boolean |
isNumber()
true if the expression prefers to return a number. |
Methods inherited from class com.caucho.xpath.Expr |
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addParam, addVar, evalBoolean, evalNodeSet, evalNodeSet, evalNumber, evalObject, evalString, evalString, evalString, getListContext, isBoolean, isNodeSet, isString, setListContext, setVar, stringToNumber, toBoolean, toDouble, toNode, toNodeList, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public AbstractNumberExpr()
Method Detail |
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public boolean isNumber()
Expr
isNumber
in class Expr
public Var evalVar(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalVar
in class Expr
node
- the node to evaluate and use as a context.env
- the variable environment.
XPathException
public abstract double evalNumber(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalNumber
in class Expr
node
- the node to evaluate and use as a context.env
- 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
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