Other/XtrasCreator/NSString+CarbonFSSpecCreation.m

   1 //IconFamily depends heavily upon Carbon calls and thus will only work in Mac OS X
   2 #ifdef MAC_OS_X_VERSION_10_0
   3
   4 #import "NSString+CarbonFSSpecCreation.h"
   5
   6 @implementation NSString (CarbonFSSpecCreation)
   7
   8 - (BOOL) getFSRef:(FSRef*)fsRef createFileIfNecessary:(BOOL)createFile
   9 {
  10     NSFileManager* fileManager = [NSFileManager defaultManager];
  11     CFURLRef urlRef;
  12     Boolean gotFSRef;
  13
  14     // Check whether the file exists already.  If not, create an empty file if requested.
  15     if (![fileManager fileExistsAtPath:self]) {
  16         if (createFile) {
  17             if (![@"" writeToFile:self atomically:YES]) {
  18                 return NO;
  19             }
  20         } else {
  21             return NO;
  22         }
  23     }
  24
  25     // Create a CFURL with the specified POSIX path.
  26     urlRef = CFURLCreateWithFileSystemPath( kCFAllocatorDefault,
  27                                             (CFStringRef) self,
  28                                             kCFURLPOSIXPathStyle,
  29                                             FALSE /* isDirectory */ );
  30     if (urlRef == NULL) {
  31 //        printf( "** Couldn't make a CFURLRef for the file.\n" );
  32         return NO;
  33     }
  34
  35     // Try to create an FSRef from the URL.  (If the specified file doesn't exist, this
  36     // function will return false, but if we've reached this code we've already insured
  37     // that the file exists.)
  38     gotFSRef = CFURLGetFSRef( urlRef, fsRef );
  39     CFRelease( urlRef );
  40
  41     if (!gotFSRef) {
  42 //        printf( "** Couldn't get an FSRef for the file.\n" );
  43         return NO;
  44     }
  45
  46     return YES;
  47 }
  48
  49 - (BOOL) getFSSpec:(FSSpec*)fsSpec createFileIfNecessary:(BOOL)createFile
  50 {
  51     FSRef fsRef;
  52
  53     if (![self getFSRef:&fsRef createFileIfNecessary:createFile])
  54         return NO;
  55
  56     if (FSGetCatalogInfo( &fsRef,
  57                           kFSCatInfoNone,
  58                           NULL,
  59                           NULL,
  60                           fsSpec,
  61                           NULL ) != noErr) {
  62         //        printf( "** Couldn't get an FSSpec for the file.\n" );
  63         return NO;
  64     }
  65
  66     return YES;
  67 }
  68
  69 + (NSString *)pathForFSRef:(FSRef *)object
  70 {
  71         NSString *path = NULL;
  72
  73         UInt8 *pathbuf = malloc(PATH_MAX);
  74         if (pathbuf != NULL) {
  75                 OSStatus err = FSRefMakePath(object, pathbuf, PATH_MAX);
  76
  77                 if (err == noErr) {
  78                         path = [(NSString *)CFStringCreateWithCString(kCFAllocatorDefault, (char *)pathbuf, kCFStringEncodingUTF8) autorelease];
  79                 }
  80
  81                 free(pathbuf);
  82         }
  83
  84         return path;
  85 }
  86
  87 @end
  88
  89 #endif