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