在NSDocument中设置行终止符字符串？

NSTextView

grep -c "r" file.txt

r

n

NSDocument

r

n

NSData

r

n

NSDocument

NSData

NSData

NSData

r

NSDocument

 const char *bytes = [data bytes];
 int i, len;
 for (i = 0, len = [data length]; i < len; ++i) {
  NSLog(@"byte %d = %02x", i, bytes[i]);
 }

n

> 2010-12-17 12:45:59.076
> MojiBaker[74929:a0f] byte 0 = 66
> 2010-12-17 12:45:59.076
> MojiBaker[74929:a0f] byte 1 = 6f
> 2010-12-17 12:45:59.076
> MojiBaker[74929:a0f] byte 2 = 6f
> 2010-12-17 12:45:59.077
> MojiBaker[74929:a0f] byte 3 = 0a
> 2010-12-17 12:45:59.077
> MojiBaker[74929:a0f] byte 4 = 62
> 2010-12-17 12:45:59.077
> MojiBaker[74929:a0f] byte 5 = 61
> 2010-12-17 12:45:59.077
> MojiBaker[74929:a0f] byte 6 = 72
> 2010-12-17 12:45:59.077
> MojiBaker[74929:a0f] byte 7 = 0a

NSDocument

NSData

-dataOfType:error:

    -(NSData *)dataOfType:(NSString *)typeName error:(NSError **)outError {
 NSString *string = [textView string];

 // DEBUG CODE...
 NSArray *unixLines = [string componentsSeparatedByString:@"n"];
 NSArray *windowsLines = [string componentsSeparatedByString:@"rn"];
 NSArray *macLines = [string componentsSeparatedByString:@"r"];

 NSLog(@"TextView has %d LF, %d CRLF, %d CR", [unixLines count] - 1, [windowsLines count] - 1, [macLines count] - 1);

 NSData *data = [NSData dataWithBytes:[string cStringUsingEncoding:NSUTF8StringEncoding]
          length:[string lengthOfBytesUsingEncoding:NSUTF8StringEncoding]];

 const char *bytes = [data bytes];
 int i, len;
 for (i = 0, len = [data length]; i < len; ++i) {
  NSLog(@"byte %d = %02x", i, bytes[i]);
 }

 if (data != nil) {
  [textView breakUndoCoalescing];
 }

 return data;
}