Re: Converting between property names?
Re: Converting between property names?
- Subject: Re: Converting between property names?
- From: Greg Parker <email@hidden>
- Date: Tue, 10 Apr 2012 14:40:29 -0700
On Apr 10, 2012, at 1:49 PM, Rick Mann <email@hidden> wrote:
> Are there functions provided in the Objective-C runtime to convert property names? For example, say I have a key name like "fooKey", and I want to get "FooKey", or the setter name "setFooKey" from it. I could do the name munging myself, but I wonder if there aren't edge cases. For example, "setURL" should covert to "URL", not "uRL".
>
> In my particular case, I'm trying to implement functionality like +keyPathsForValuesAffecting<Key>. It takes a key name (usually something that starts with a lower-case letter) and changes it to start with an upper-case letter, then appends it to "keyPathsForValuesAffecting" to create the selector name.
>
> Are those conversion methods provided anywhere? I looked through the Obj-C runtime and didn't see anything, but I didn't read every single page.
The code to derive the default setter and getter method names from a property name is in the compiler somewhere.
The runtime can tell you the setter and getter and ivar names for a particular class's property, but knows nothing about key paths or name to name conversion.
--
Greg Parker email@hidden Runtime Wrangler
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