On Sep 23, 2011, at 5:27 PM, Kyle Sluder wrote: > On Fri, Sep 23, 2011 at 5:01 AM, Sander Stoks <san...@stoks.nl> wrote: >> I think the way this was solved in BeOS was pretty nice. A file had a >> type/creator code there as a special attribute. A file "inherited" from a >> different platform would be sniffed by a low-priority background thread, >> which employed several heuristics to determine the file type - looking at >> magic bytes in the header, or looking at the file extension as a last >> resort. Files which already had the attributes were left alone. > > This is not all that different from how UTIs behave now. Launch > Services employs a few extremely simple heuristics (file extension, > creator code, MIME type) and assigns a UTI to the file. > > The big difference is that the detected UTI isn't recorded. If Launch > Services recorded the last UTI it detected for the file in an xattr on > that file, and if the user had the ability to change that recorded > value, we'd have the system you're referring to, without losing ANY of > the features of UTIs.
Exactly, that'd be cool. Actually, BeOS used MIME types too (couldn't think of the word so I called them type/creator codes). This addition (storing the UTI in an attribute of the file itself) could be added by Apple without breaking the current system, I think..._______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
