jxl.biff.formula
Class UnaryOperator

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

All Implemented Interfaces:

ParsedThing

Direct Known Subclasses:

Percent, UnaryMinus, UnaryPlus

abstract class UnaryOperator

extends Operator

implements ParsedThing

A cell reference in a formula

Fields inherited from class jxl.biff.formula.Operator

operands

Fields inherited from class jxl.biff.formula.ParseItem

parent

Constructor Summary

UnaryOperator()
Constructor

Method Summary

(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
void	getString(java.lang.StringBuffer buf) Gets the string representation of this item
(package private) abstract java.lang.String	getSymbol() Abstract method which gets the binary operator string symbol
(package private) abstract Token	getToken() Abstract method which gets the token for this operator
int	read(byte[] data, int pos) Reads the ptg data from the array starting at the specified position

Methods inherited from class jxl.biff.formula.Operator

add, getOperands, getPrecedence

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

UnaryOperator

public UnaryOperator()

Constructor

Method Detail

read

public int read(byte[] data,
                int pos)

Reads the ptg data from the array starting at the specified position

Specified by:

read in interface ParsedThing

Parameters:

data - the RPN array

pos - the current position in the array, excluding the ptg identifier

Returns:

the number of bytes read

getOperands

public void getOperands(java.util.Stack s)

Gets the operands for this operator from the stack

Overrides:

getOperands in class Operator

getString

public void getString(java.lang.StringBuffer buf)

Description copied from class: ParseItem

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

getBytes

byte[] getBytes()

Gets the token representation of this item in RPN

Overrides:

getBytes in class ParseItem

Returns:

the bytes applicable to this formula

getSymbol

abstract java.lang.String getSymbol()

Abstract method which gets the binary operator string symbol

Returns:

the string symbol for this token

getToken

abstract Token getToken()

Abstract method which gets the token for this operator

Returns:

the string symbol for this token