Re: Extending already loaded objects using plugins?
Re: Extending already loaded objects using plugins?
- Subject: Re: Extending already loaded objects using plugins?
- From: Mont Rothstein <email@hidden>
- Date: Sat, 15 Jan 2005 11:11:28 -0800
Where is your category? I assume because you refer to a plugin that it is in a separate bundle.
This bundle (the plugin) needs to link against whatever contains the original MyObject. Usually MyObject would be in a framework, which your application would also link against.
You need to tell you application where to find the bundle using +bundleWithPath: and then to load the bundle using -load.
Hope that helps,
-Mont
On Jan 15, 2005, at 6:53 AM,
עפרי וולפוס wrote:
Hi,
I'm trying to extend an already loaded object with a category from a plugin.
I mean lets assume that the program has an object called MyObject and that it has the method - (void)doSomething.
i want that when my plugin is loaded it will replace the -doSomething method with another one.
now i'm trying to do it like this:
@interface MyObject (Additions)
- (void)doSomething;
@end
@implementation MyObject (Additions)
- (void)doSomething
{
...
}
@end
the problem is that in this way, the plugin wouldn't compile and i'm getting the error "Undefined symbols: .obj_class_name_MyObject" but if i include both "MyObject.h" and "MyObject.m" with the plugin, it simply does nothing and use the original implementation of -doSomething.
what am i doing wrong?
thanks and sorry about my english,
ofri
---------------------------------------
Ofri Wolfus
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