org.crsh.term.console
Class ViewReader

java.lang.Object
  org.crsh.term.console.ViewReader

public abstract class ViewReader
extends Object

Version:

$Revision$

Author:

Julien Viet

Constructor Summary

ViewReader()

Method Summary

abstract int	del() Delete the char under the cursor or return -1 if no char was deleted.
abstract boolean	moveLeft()
abstract boolean	moveRight()
abstract CharSequence	replace(CharSequence s) Replace all the characters before the cursor by the provided char sequence.
abstract void	write(char c)
abstract void	write(CharSequence s)

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewReader

public ViewReader()

Method Detail

replace

public abstract CharSequence replace(CharSequence s)
                              throws IOException

Replace all the characters before the cursor by the provided char sequence.

Parameters:

s - the new char sequence

Returns:

the l

Throws:

IOException - any IOException

write

public abstract void write(char c)
                    throws IOException

Throws:

IOException

write

public abstract void write(CharSequence s)
                    throws IOException

Throws:

IOException

del

public abstract int del()
                 throws IOException

Delete the char under the cursor or return -1 if no char was deleted.

Returns:

the deleted char

Throws:

IOException - any IOException

moveRight

public abstract boolean moveRight()
                           throws IOException

Throws:

IOException

moveLeft

public abstract boolean moveLeft()
                          throws IOException

Throws:

IOException