Re: NSUnarchiver question

[Richard Frith-Macdonald]

On 2005-09-07 04:13:57 +0100 Lloyd Dupont <lloyd@nova-mind.com> wrote:

> I'm trying to port a MacOSX application to Windows.
> So far it has worked mostly well.
> However I'm trying to read one of our data file.
>
> Which is an old format plist with some NSColor wich was stored as an NSData 
> (on MacOSX) with
> [NSArchiver archivedDataWithRootObject: myColor];
>
> Now I tryed to read it on Windows/GNUstep with
> myColor = (NSColor *) [NSUnarchiver unarchiveObjectWithData: aNSData];
>
> and this fails and pops up a little GNUstep exception message box saying:
> Critical
> NSInternalInconsistencyException: Archive has wrong prefix
>
> Now I wonder:
> 1. is it that GNUstep's NSUnarchiver deosn't support MacOSX NSArchiver 
> format?

Yes ... it's an undocumented proprietory binary format.

We aim to have binary compatility for keyed archives though (reverse 
engineering that was more practicable).