Packet Parser

Packet Parser in Obj-C

-(NSDictionary *)parser:(NSString *)packet:(NSInteger)depth {
	NSMutableArray *partsArr = [NSMutableArray arrayWithArray:[packet componentsSeparatedByString:@"\n\n"]]; // Split by \n\n
	
	NSMutableArray *headArr = [NSMutableArray arrayWithArray:[[partsArr objectAtIndex:0] componentsSeparatedByString:@"\n"]]; // Split by \n
	[partsArr removeObjectAtIndex:0];
	
	NSMutableArray *cmdArr = [NSMutableArray arrayWithArray:[[headArr objectAtIndex:0] componentsSeparatedByString:@" "]];
	[headArr removeObjectAtIndex:0];
	
	NSString *cmd = [cmdArr objectAtIndex:0];
	[cmdArr removeObjectAtIndex:0];
	
	NSString *param = [cmdArr componentsJoinedByString:@" "];
	
	NSDictionary *args = [[NSMutableDictionary alloc] init];
	for (NSInteger i=0; i < [headArr count]; i++) {
		NSMutableArray *valArr = [NSMutableArray arrayWithArray:[[headArr objectAtIndex:i] componentsSeparatedByString:@"="]];
		NSString *key = [valArr objectAtIndex:0];
		[valArr removeObjectAtIndex:0];
		NSString *value = [valArr componentsJoinedByString:@"="];
		[args setValue:value forKey:key];
	}
	
	NSString *body = [partsArr componentsJoinedByString:@"\n\n"];
	NSMutableArray *subArr = [[NSMutableArray alloc] init];
	if ([partsArr count] >= 1) {
		NSInteger j = [partsArr count]-1;
		if(j == 1) {
			[subArr addObject:[self parser:body :depth+1]];
		} else {
			for (j; j>= 0; j--) {
				[subArr addObject:[self parser:[partsArr objectAtIndex:j] :depth+1]];
			}
		}
	}
	
	NSDictionary *packetDict = [[NSMutableDictionary alloc] init];
	
	[packetDict setValue:cmd forKey:@"cmd"];
	[packetDict setValue:param forKey:@"param"];
	[packetDict setValue:args forKey:@"args"];
	[packetDict setValue:body forKey:@"body"];
	[packetDict setValue:subArr forKey:@"sub"];
	[packetDict setValue:packet forKey:@"raw"];
	[args release];
	[subArr release];
	return packetDict;
    [cmd release];
    [param release];
    [body release];
    [packet release];
	[packetDict release];
}