On Apr 15, 2011, at 11:10, Sean McBride wrote:
> _this_ is a PITA:
>
> - (NSURL*)URLByResolvingSymlinksAndAliases
> {
> NSURL* resultURL = [self URLByResolvingSymlinksInPath];
>
> NSError* error = nil;
> NSNumber* isAliasFile = nil;
> BOOL success = [resultURL getResourceValue:&isAliasFile
>
> forKey:NSURLIsAliasFileKey
>
> error:&error];
> if (success && [isAliasFile boolValue])
> {
> NSData* bookmarkData = [NSURL
> bookmarkDataWithContentsOfURL:resultURL
>
> error:&error];
> if (bookmarkData)
> {
> BOOL isStale = NO;
> NSURLBookmarkResolutionOptions options =
> (NSURLBookmarkResolutionWithoutUI |
>
> NSURLBookmarkResolutionWithoutMounting);
>
> NSURL* resolvedURL = [NSURL
> URLByResolvingBookmarkData:bookmarkData
>
> options:options
>
> relativeToURL:nil
>
> bookmarkDataIsStale:&isStale
>
> error:&error];
> if (resolvedURL)
> {
> resultURL = resolvedURL;
> }
> }
> }
>
> return resultURL;
> }
I'll ask the dumb question: what happens if you invoke
bookmarkDataWithContentsOfURL on a non-alias file? If it correctly detects an
error, your PITA code could be reduced to:
> - (NSURL*)URLByResolvingSymlinksAndAliases
> {
> NSURL* resultURL = [self URLByResolvingSymlinksInPath];
>
> NSData* bookmarkData = [NSURL bookmarkDataWithContentsOfURL:resultURL
> error: NULL];
> if (bookmarkData)
> {
> NSURL* resolvedURL = [NSURL
> URLByResolvingBookmarkData:bookmarkData
>
> options:(NSURLBookmarkResolutionWithoutUI |
> NSURLBookmarkResolutionWithoutMounting)
>
> relativeToURL:nil
>
> bookmarkDataIsStale:NULL
>
> error:NULL];
> if (resolvedURL)
> resultURL = resolvedURL;
>
> }
>
> return resultURL;
> }
which is a *lot* less unpleasant.
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