com.caucho.xpath.expr
Class BooleanExpr
java.lang.Object
com.caucho.xpath.Expr
com.caucho.xpath.expr.BooleanExpr
public class BooleanExpr
- extends Expr
Fields inherited from class com.caucho.xpath.Expr |
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 |
Methods inherited from class com.caucho.xpath.Expr |
addParam, addVar, evalBoolean, evalNodeSet, evalNodeSet, evalNumber, evalObject, evalString, evalString, evalString, evalVar, getListContext, isNodeSet, isNumber, isString, setListContext, setVar, stringToNumber, toBoolean, toDouble, toNode, toNodeList, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
BooleanExpr
public BooleanExpr(int code,
Expr left,
Expr right)
BooleanExpr
public BooleanExpr(int code,
Expr expr)
BooleanExpr
public BooleanExpr(boolean value)
BooleanExpr
public BooleanExpr(int code,
java.util.ArrayList args)
isBoolean
public boolean isBoolean()
- Description copied from class:
Expr
- true if the expression prefers to return a boolean.
- Overrides:
isBoolean
in class Expr
evalBoolean
public boolean evalBoolean(org.w3c.dom.Node node,
ExprEnvironment env)
throws XPathException
- Evaluates the expression as a boolean.
- Specified by:
evalBoolean
in class Expr
- Parameters:
node
- current nodeenv
- the environment
- Returns:
- the boolean representation
- Throws:
XPathException
evalNumber
public double evalNumber(org.w3c.dom.Node node,
ExprEnvironment env)
throws XPathException
- Evaluates the expression as a number.
- Specified by:
evalNumber
in class Expr
- Parameters:
node
- current nodeenv
- the environment
- Returns:
- the numeric representation
- Throws:
XPathException
evalString
public java.lang.String evalString(org.w3c.dom.Node node,
ExprEnvironment env)
throws XPathException
- Evaluates the expression as a string.
- Specified by:
evalString
in class Expr
- Parameters:
node
- current nodeenv
- the environment
- Returns:
- the string representation
- Throws:
XPathException
evalObject
public java.lang.Object evalObject(org.w3c.dom.Node node,
ExprEnvironment env)
throws XPathException
- Evaluates the expression as a object.
- Specified by:
evalObject
in class Expr
- Parameters:
node
- current nodeenv
- the environment
- Returns:
- the object representation
- Throws:
XPathException
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object