Hi,
I actually detect whether a file is an alias this way:
I use a NSString category where self is the filePath.
- (BOOL)IsAliasOld
{
FSRef sourceRef;
OSErr err = [self GetFSRef:&sourceRef];
if(err) return NO;
Boolean isFSDirectory, aliasFileFlag;
err = FSIsAliasFile(&sourceRef, &aliasFileFlag, &isFSDirectory);
if(err) return NO;
else return aliasFileFlag;
}
- (OSErr)GetFSRef:(FSRef*)sourceRef
{
const char *cSrcPath = [[NSFileManager defaultManager]
fileSystemRepresentationWithPath:self];
if(cSrcPath == 0 || *cSrcPath == _NUL) return -1;
OSErr err = FSPathMakeRefWithOptions((UInt8*)cSrcPath,
kFSPathMakeRefDoNotFollowLeafSymlink, sourceRef, NULL);
return err;
}
Since FSIsAliasFile is deprecated (I compile for 10.9) I would now use
- (BOOL)IsAliasNew
{
NSString *type = [[NSWorkspace sharedWorkspace] typeOfFile:self
error:nil];
return [type isEqualToString:@"com.apple.alias-file"];
}
The problem is that the IsAliasNew method is 3.7 times slower than the
IsAliasOld method. Do you know a way to accomplish that with a faster
method?
Regards
-- Leonardo
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