OpticalMessageListener.m   [plain text]

/*
 * © Copyright 2003 Apple Computer, Inc. All rights reserved.
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 * IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc. (ÒAppleÓ) in 
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 * redistribute this Apple software.
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 * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF NON-
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#import "OpticalMessageListener.h"

@implementation OpticalMessageListener

- ( void ) applicationDidFinishLaunching : ( NSNotification * ) notification
{
	
	[ NSThread detachNewThreadSelector : @selector(startApp:) toTarget: self withObject: nil ];
	
}

- ( void ) startApp: ( id ) ignored
{
	
	NSAutoreleasePool *		pool 	= [ [ NSAutoreleasePool alloc ] init ];
	NSString *				string	= nil;
	NSData *				data	= nil;
	
	task		= [ [ NSTask alloc ] init ];
	pipe		= [ NSPipe pipe ];
	fileHandle	= [ pipe fileHandleForReading ];
	
	string = [ [ [ NSBundle mainBundle ] resourcePath ] stringByAppendingString : @"/OpticalMessageListenerTool" ];
	
	[ task setLaunchPath : string ];
	[ task setArguments: [ NSMutableArray arrayWithCapacity: 0 ] ];
	[ task setStandardOutput : pipe ];
	
	[ task launch ];
	
	data = [ fileHandle availableData ];
	
	while ( ( data != nil ) && ( [ data length] != 0 ) )
	{
		
		NSString *	newString;
		
		newString = [ [ self textView ] string ];
		newString = [ newString stringByAppendingString : [ NSString stringWithCString : [ data bytes ] length: [ data length ] ] ];
		
		[ [ self textView ] setString : newString ];
		[ [ self textView ] setSelectedRange : NSMakeRange ( [ newString length ], 0 ) ];
		[ [ self textView ] scrollRangeToVisible : NSMakeRange ( [ newString length ], 0 ) ];
		
		data = [ fileHandle availableData ];
		
	}
	
	[ pool release ];
	
}


- ( void ) applicationWillTerminate : ( NSNotification * ) notification
{
	
	[ task terminate ];
	[ task release ];
	task = nil;
	
}

- ( id ) textView	{ return textView; }

@end