Re: NSString vs NSPathStore2
Re: NSString vs NSPathStore2
- Subject: Re: NSString vs NSPathStore2
- From: "Clark Cox" <email@hidden>
- Date: Thu, 22 May 2008 15:20:31 -0700
On Thu, May 22, 2008 at 11:19 AM, Sherm Pendley <email@hidden> wrote:
> On Thu, May 22, 2008 at 1:38 PM, <email@hidden> wrote:
>
>>
>> I am then trying to populate an NSTableView with a filename obtained from a
>> NSOpenPanel. The problem is that NSOpenPanel seems to return a NSPathStore2
>> and not an NSString, which seems to be causing problems.
>
>
> How have you determined that it's returning an NSPathStore2 object? What
> were the symptoms of the problems you're having, and what led you to believe
> that the NSPathStore2 object is causing them?
>
> The reason I'm asking this is, NSString is a class cluster. If you're more
> familiar with Java or C++, you can think of it as a pure virtual class for
> the purposes of this discussion, in that you're never going to see an actual
> instance of NSString. Every method that's declared as returning an NSString*
> actually returns an instance of a subclass of NSString, and this is both
> normal and expected.
>
> So, the fact that you're getting an instance NSPathStore2 instead of
> NSString *could* be a symptom of a problem, but it's at least equally likely
> that it isn't - hence the need for clarification.
As you've deduced, NSPathStore2 is a subclass of NSString. Getting an
instance thereof is perfectly normal.
So, to the OP: Pay no attention to the man behind the curtain :)
--
Clark S. Cox III
email@hidden
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