On Aug 23, 2010, at 6:57 AM, Olivier Tristan wrote:
> I'm looking for a way to get the hidden attribute of a file using cocoa as my
> applications is going to be ported to 64bits.
> I've took a look to NSFileManager and it do not seems to provide such
> facility.
>
> I used to do this
>
> |FSRef ref;
> OSStatus err = FSPathMakeRefWithOptions(path,
> kFSPathMakeRefDoNotFollowLeafSymlink, &ref, 0);
> if (err == noErr)
> {
> LSItemInfoRecord info;
> err = LSCopyItemInfoForRef(&ref, kLSRequestBasicFlagsOnly, &info);
> if (err == noErr)
> {
> return ((info.flags & kLSItemInfoIsInvisible) != 0);
> }
> }
> return false;|
>
> but this code required Carbon as far as I know.
FSPathMakeRefWithOptions() and LSCopyItemInfoForRef() are both available on
64-bit Mac OS. You can use that code as-is. (How can you tell? Find the
function in the Mac OS SDK documentation. Functions that were dropped for
32-bit say "Availability: Not available to 64-bit applications".)
The Cocoa equivalent might be -[NSURL getResourceValue:forKey:error:], with the
NSURLIsHidden key. I don't know if that's identical to kLSItemInfoIsInvisible,
though.
--
Greg Parker gpar...@apple.com Runtime Wrangler
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