jxl.biff.formula
Class StringOperator

java.lang.Object
  |
  +--jxl.biff.formula.ParseItem
        |
        +--jxl.biff.formula.Operator
              |
              +--jxl.biff.formula.StringOperator

Direct Known Subclasses:

Minus, Plus

abstract class StringOperator

extends Operator

Ambiguously defined operator, used as a place holder when parsing string formulas. At this stage it could be either a unary or binary operator - the string parser will deduce which and create the appropriate type

Fields inherited from class jxl.biff.formula.Operator

operands

Fields inherited from class jxl.biff.formula.ParseItem

parent

Constructor Summary

protected

StringOperator() Constructor

Method Summary

(package private) abstract Operator	getBinaryOperator() Abstract method which gets the binary version of this operator
(package private) byte[]	getBytes() Gets the token representation of this item in RPN.
void	getOperands(java.util.Stack s) Gets the operands for this operator from the stack.
(package private) int	getPrecedence() Gets the precedence for this operator.
(package private) void	getString(java.lang.StringBuffer buf) Gets the string representation of this item
(package private) abstract Operator	getUnaryOperator() Abstract method which gets the unary version of this operator

Methods inherited from class jxl.biff.formula.Operator

add, getOperands

Methods inherited from class jxl.biff.formula.ParseItem

setParent

Methods inherited from class java.lang.Object

, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, toString, wait, wait, wait

Constructor Detail

StringOperator

protected StringOperator()

Constructor

Method Detail

getOperands

public void getOperands(java.util.Stack s)

Gets the operands for this operator from the stack. Does nothing here

Overrides:

getOperands in class Operator

getPrecedence

int getPrecedence()

Gets the precedence for this operator. Does nothing here

Overrides:

getPrecedence in class Operator

Returns:

the operator precedence

getBytes

byte[] getBytes()

Gets the token representation of this item in RPN. Does nothing here

Overrides:

getBytes in class ParseItem

Returns:

the bytes applicable to this formula

getString

void getString(java.lang.StringBuffer buf)

Gets the string representation of this item

Overrides:

getString in class ParseItem

Following copied from class: jxl.biff.formula.ParseItem

Parameters:

ws - the workbook settings

getBinaryOperator

abstract Operator getBinaryOperator()

Abstract method which gets the binary version of this operator

getUnaryOperator

abstract Operator getUnaryOperator()

Abstract method which gets the unary version of this operator