Initial import of Cocoa code

cocoa/NCCurrentCost.h

@@ -0,0 +1,54 @@
+//
+//  CCSerialPort.h
+//  CCSerialPort
+//
+//  Created by Neil on 02/12/2008.
+//  Copyright 2008 Neil Cowburn. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <paths.h>
+#include <termios.h>
+#include <sys/time.h>
+#include <sysexits.h>
+#include <sys/param.h>
+
+// #define CCDEBUG 1
+#define MAX_CC_BUFFER_SIZE 2048
+
+@protocol NCCurrentCostDelegate
+- (void)dataWasReceived:(NSXMLDocument *)newData;
+@end
+
+@interface NCCurrentCost : NSObject {
+	
+id delegate;
+
+@private
+	NSString *bsdPath;
+	int baud;
+	NSString *serviceName;
+	NSString *serviceType;
+	int fd;
+	
+	struct termios * __strong options;
+	struct termios * __strong originalOptions;
+	
+	NSFileHandle *handle;
+}
+
+@property (readonly,retain) id delegate;
+
+- (id)init:(NSString *)path withBaudRate:(int)baudRate;
+- (void)open;
+- (void)close;
+- (void)read;
+- (void)setDelegate:(id)newDelegate;
+
+@end