Re: Calling original functions from overriding Category functions
Re: Calling original functions from overriding Category functions
- Subject: Re: Calling original functions from overriding Category functions
- From: "b.bum" <email@hidden>
- Date: Thu, 18 Mar 2004 13:29:43 -0800
On Mar 18, 2004, at 10:38 AM, Ondra Cada wrote:
I've never tried for myself, but there may be way, by using
Objective-C
low-level runtime functions like:
well, somebody please correct me if I am wrong, but IIRC, category
functionality is (used to be?) implemented by the category
implementation actually *replacing* the original one in the class
tables. Therefore (and unless I am wrong), no luck.
Right.
Either cache the IMP before you load the category....
.... or override the method in a subclass and use +poseAsClass:.
From within a method overridden through posing, [super method...] will
invoke the original implementation.
There are advantages and disadvantages to going either route.
_______________________________________________
cocoa-dev mailing list | email@hidden
Help/Unsubscribe/Archives:
http://www.lists.apple.com/mailman/listinfo/cocoa-dev
Do not post admin requests to the list. They will be ignored.