ds.ov2.util
Class Commandline

java.lang.Object
  ds.ov2.util.Commandline

public class Commandline
extends Object

Command line instance that adds an index and the notion of the next unprocessed command line element to the string array received in the main method.

CPP Preprocessing

no cpp preprocessing needed

Execution Environment:

host, card

Author:

Hendrik Tews

Version:

$Revision: 1.2 $

Last Commit:

$Date: 2009-06-02 09:56:03 $ by $Author: tews $

Field Summary

private String[]	args The command line as received in the main method.
private int	next_option The index of the next element in the command line.

Constructor Summary

Commandline(String[] args)
Constructor.

Method Summary

boolean	continue_parsing() Return true if not all command-line elements have been processed yet.
boolean	match(String option) Check if the next unprocessed command-line element is equal to option.
String	next_option() Return the next unprocessed command-line element without incrementing the option index next_option.
String	retrieve_option() Return the next command unprocessed line element and increment the option index next_option.

Methods inherited from class java.lang.Object

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

Field Detail

args

private final String[] args

The command line as received in the main method.

next_option

private int next_option

The index of the next element in the command line. Automatically incremented in match and retrieve_option().

Constructor Detail

Commandline

public Commandline(String[] args)

Constructor. Initialize the fields of this instance.

Parameters:

args - the command line as received in the main method

Method Detail

continue_parsing

public boolean continue_parsing()

Return true if not all command-line elements have been processed yet.

Returns:

true if next_option still points to some unprocessed command-line element

next_option

public String next_option()

Return the next unprocessed command-line element without incrementing the option index next_option.

Returns:

next option to be parsed

retrieve_option

public String retrieve_option()

Return the next command unprocessed line element and increment the option index next_option.

Returns:

next command line element, or null if no further element is available

match

public boolean match(String option)

Check if the next unprocessed command-line element is equal to option. If it is, the method returns true and the command-line element is considered to be processed and the index of the next unprocessed command line element next_option is incremented. The actual state changes to record that the option option has been recognized is done in Option.matched.

Parameters:

option - option to check agains the next command line element

Returns:

true if option equals the next command line element