//

 //  FileUtils.m

 //  MYUtilities

 //

 //  Created by Jens Alfke on 1/14/08.

 //  Copyright 2008 Jens Alfke. All rights reserved.

 //

 #import "FileUtils.h"

 OSStatus PathToFSRef( NSString *path, FSRef *fsRef )

 {

     NSCParameterAssert(path);

     return FSPathMakeRef((const UInt8 *)[path UTF8String],fsRef,NULL);

 }

 OSStatus FSRefToPath( const FSRef *fsRef, NSString **outPath )

 {

     NSURL *url = (id) CFURLCreateFromFSRef(NULL,fsRef);

     if( ! url )

         return paramErr;

     *outPath = [url path];

     [url release];

     return noErr;

 }

 BOOL CheckOSErr( OSStatus err, NSError **error )

 {

     if( err ) {

         if( error )

             *error = [NSError errorWithDomain: NSOSStatusErrorDomain code: err userInfo: nil];

         return NO;

     } else {

         return YES;

     }

 }

 NSString* AppSupportDirectory()

 {

     static NSString *sPath;

     if( ! sPath ) {

         NSString *dir = [NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory,

                                                              NSUserDomainMask, YES)

                          objectAtIndex: 0];

         dir = [dir stringByAppendingPathComponent: [[NSBundle mainBundle] bundleIdentifier]];

         if( ! [[NSFileManager defaultManager] fileExistsAtPath: dir]

                 && ! [[NSFileManager defaultManager] createDirectoryAtPath: dir attributes: nil] )

             [NSException raise: NSGenericException format: @"Unable to create app support dir %@",dir];

         sPath = [dir copy];

     }

     return sPath;

 }