Re: How to tell if file wrapper represents package
Re: How to tell if file wrapper represents package
- Subject: Re: How to tell if file wrapper represents package
- From: Mike Abdullah <email@hidden>
- Date: Sun, 14 Jul 2013 20:39:08 +0100
On 14 Jul 2013, at 17:59, Kyle Sluder <email@hidden> wrote:
> On Jul 14, 2013, at 9:33 AM, Mike Abdullah <email@hidden> wrote:
>
>>
>> On 14 Jul 2013, at 08:40, Shane Stanley <email@hidden> wrote:
>>
>>> On 14/07/2013, at 1:30 PM, Lee Ann Rucker <email@hidden> wrote:
>>>
>>>> Haven't tried it, but [NSWorkspace isFilePackageAtPath:] looks like what you want. If that's not sufficient, there are other things in NSWorkspace that test files.
>>>
>>> The problem, though, is that a file wrapper doesn't have a path.
>>
>> I think you have a couple of options, neither terribly satisfactory:
>>
>> A) Use the .filename property to work your way through the wrappers and build up the expected URL/path of the file. Then query that to know if it's a package.
>
> This sounds like the correct approach to me. Grab the file extension, call UTTypeCreatePreferredIdentifierForTag to convert it to a UTI, then call UTTypeConformsTo (or -[NSWorkspace type:conformsToType:]) to determine if the type confirms to kUTTypePackage.
I have to admit, relying on file extension makes me uncomfortable, but maybe it's good enough.
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