Package com.singularsys.extexamples.consoles

Class MatrixConsole

java.lang.Object

com.singularsys.jepexamples.consoles.Console

com.singularsys.extexamples.consoles.MatrixConsole

public class MatrixConsole
extends Console

Console with support for matrix operations.

Author:

Rich Morris Created on 21-Mar-2005

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
MatrixConsole()

Method Summary

Modifier and Type	Method	Description
void	initialise()	sets up all the needed objects.
static void	main(String[] args)	Creates a new Console object and calls run()
void	printHelp()	Print help message.
void	printIntroText()	Prints introductory text.
void	setIndexShift(int i)	Set the index shift for arrays.
Console.SPEC_ACTION	testSpecialCommands(String command)	Checks for special commands.
String	toString(Object o)	Return string representation of object.

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

MatrixConsole

public MatrixConsole()

Method Details

initialise

public void initialise()

Description copied from class: Console

sets up all the needed objects.

Overrides:

initialise in class Console

printIntroText

public void printIntroText()

Description copied from class: Console

Prints introductory text.

Overrides:

printIntroText 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

main

public static void main(String[] args)

Creates a new Console object and calls run()

toString

public String toString(Object o)

Description copied from class: Console

Return string representation of object. Used the doubleFormat if specified.

Overrides:

toString in class Console

Parameters:

o -

Returns:

setIndexShift

public void setIndexShift(int i)

Description copied from class: Console

Set the index shift for arrays.

Overrides:

setIndexShift in class Console

Parameters:

i - the shift, either 0 or 1