Re: Getting list of classes

FROM : John Hörnkvist
DATE : Tue Jan 15 20:45:44 2002

On mendag, januari 14, 2002, at 08:16 , Drew McCormack wrote:

> Is it possible to get a list of all classes in an application? So, is
> there a method to return an array of all loaded classes?
> I've looked in NSBundle, and NSApplication, and can't find anything.
> Basically, I'm trying to avoid having to make a table of classes
> myself. I thought it would be neat if I could just loop through all the
> classes, sending each a "respondsToSelector:" message to making
> auxiliary lists of classes for specific purposes.

Take a look at /usr/include/objc/objc-runtime.h. (objc_getClassList)

Note that not everything that is a class has to behave like NSObject or
Object; be careful to check that the class is something you know how to
handle before you start sending messages to it.

Regards,
John Hornkvist
--
ToastedMarshmallow, the perfect Cocoa companion
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