Re: dealing with alias files, finding URL to target file
Re: dealing with alias files, finding URL to target file
- Subject: Re: dealing with alias files, finding URL to target file
- From: Sean McBride <email@hidden>
- Date: Fri, 15 Apr 2011 12:16:38 -0400
- Organization: Rogue Research Inc.
On Fri, 15 Apr 2011 10:44:06 -0500, Ken Thomases said:
>> NSOpenPanel helpfully, by default, resolves aliases before it returns
>> the URL to you. But NSPathControl does not and file drops that you get
>> off NSPasteboard also do not. So in many cases I need to manually check
>> if a URL points to an alias file, and find the file it points to. Am I
>> missing an easy/modern way to do this?
>
>Yes. Bookmark data is the modern replacement for alias records. The
>new bookmark APIs are backward compatible with aliases, including alias
>files. See the documentation for +[NSURL
>bookmarkDataWithContentsOfURL:error:]. You'd follow that with -
>URLByResolvingBookmarkData:options:relativeToURL:bookmarkDataIsStale:error:.
Yeah, that works, but is not easy.
I find it quite strange that there is a URLByResolvingSymlinksInPath
method, but no corresponding method to change a URL to an alias file
into a URL to the target file. Seems this is a common operation, much
more so than doing the same with symlinks. The Mac GUI doesn't even let
users create symlinks, but does let them create alias files.
I was hoping I missed something.... but I guess not.
Cheers!
--
____________________________________________________________
Sean McBride, B. Eng email@hidden
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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