Package com.singularsys.jepexamples.consoles

Class BigDecimalConsole

java.lang.Object

com.singularsys.jepexamples.consoles.Console

com.singularsys.jepexamples.consoles.BigDecimalConsole

public class BigDecimalConsole
extends Console

A console using BigDecimal for calculations.

Nested Class Summary

Nested classes/interfaces inherited from class com.singularsys.jepexamples.consoles.Console

Console.JepOutputStream, Console.JepPrintStream, Console.NodeRes, Console.SPEC_ACTION

Field Summary

Fields inherited from class com.singularsys.jepexamples.consoles.Console

altered, doubleFormat, history, jep, showHistory

Constructor Summary

Constructors

Constructor	Description
BigDecimalConsole()

Method Summary

Modifier and Type	Method	Description
String	getPrompt()	Prints the prompt string.
void	initialise()	sets up all the needed objects.
static void	main(String[] args)
void	printHelp()	Print help message.
Console.SPEC_ACTION	testSpecialCommands(String command)	Checks for special commands.

Methods inherited from class com.singularsys.jepexamples.consoles.Console

clearVars, finaliseCommand, getCommand, getHistory, getJep, handleError, inputLoop, parseEvaluate, print, printFunctionEntry, printFuns, printHistory, printIntroText, println, printOps, printStdHelp, printVars, processCommand, processEquation, run, setAlteredCommand, setEvaluator, setFormat, setFormat, setIndexShift, setMonitor, showCalls, showTree, split, toString

Methods inherited from class java.lang.Object

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

Constructor Details

BigDecimalConsole

public BigDecimalConsole()

Method Details

main

public static void main(String[] args)

Parameters:

args -

initialise

public void initialise()

Description copied from class: Console

sets up all the needed objects.

Overrides:

initialise in class Console

getPrompt

public String getPrompt()

Description copied from class: Console

Prints the prompt string.

Overrides:

getPrompt in class Console

testSpecialCommands

public Console.SPEC_ACTION testSpecialCommands(String command)

Description copied from class: Console

Checks for special commands. For example a subclass may have a verbose mode switched on of off using the command

 verbose on
 

This method can be used detected this input, perform required actions and skip normal processing by returning true.

In general subclasses should call the superclass methods to test for special commands that class implements

Overrides:

testSpecialCommands in class Console

Parameters:

command -

Returns:

One of

• SPEC_ACTION.CONTINUE - continue parsing and evaluation this equation,
• SPEC_ACTION.BREAK - stop processing this equation and add it to the history
• SPEC_ACTION.EMPTY - stop processing this equation does not add it to the history
• SPEC_ACTION.ALTERED - the input text has been altered, reprocess the new text
• SPEC_ACTION.EXIT stop the program

See Also:

• Console.split(String)

printHelp

public void printHelp()

Description copied from class: Console

Print help message.

Overrides:

printHelp in class Console