ITMacResource.m

   1 #import "ITMacResource.h"
   2
   3 @implementation ITMacResource
   4
   5 + (Class)subclassForType:(ITMacResourceType)type {
   6         NSEnumerator *subclassEnumerator = [[self subclasses] objectEnumerator];
   7         Class subclass;
   8
   9         while ((subclass = [subclassEnumerator nextObject])) {
  10                 if ([subclass supportsResourceType:type]) {
  11                         return subclass;
  12                 }
  13         }
  14
  15         return self;
  16 }
  17
  18 + (NSArray *)supportedResourceTypes {
  19         return [NSArray array];
  20 }
  21
  22 + (BOOL)supportsResourceType:(ITMacResourceType)type {
  23         return [[self supportedResourceTypes] containsObject:[NSString stringWithFourCharCode:type]];
  24 }
  25
  26 + (id)resourceWithHandle:(Handle)handle {
  27         return [[[self alloc] initWithHandle:handle] autorelease];
  28 }
  29
  30 - (id)initWithHandle:(Handle)handle {
  31         if (self = [super init]) {
  32                 _handle = handle;
  33         }
  34         return self;
  35 }
  36
  37 - (Handle)handle {
  38         return _handle;
  39 }
  40
  41 - (NSData *)data {
  42         NSData *_data;
  43         HLock(_handle);
  44         _data = [NSData dataWithBytes:(*_handle) length:GetHandleSize(_handle)];
  45         HUnlock(_handle);
  46         return _data;
  47 }
  48
  49 - (ITMacResourceType)type {
  50         short _id;
  51         ResType _type;
  52         Str255 _name;
  53         GetResInfo(_handle, &_id, &_type, _name);
  54         return (ITMacResourceType)_type;
  55 }
  56
  57 - (short)id {
  58         short _id;
  59         ResType _type;
  60         Str255 _name;
  61         GetResInfo(_handle, &_id, &_type, _name);
  62         return _id;
  63 }
  64
  65 - (NSString *)name {
  66         short _id;
  67         ResType _type;
  68         Str255 _name;
  69         GetResInfo(_handle, &_id, &_type, _name);
  70         return [(NSString*)CFStringCreateWithPascalString(NULL,
  71 _name, kCFStringEncodingMacRomanLatin1) autorelease];
  72 }
  73
  74 - (Class)nativeRepresentationClass {
  75         return nil;
  76 }
  77
  78 - (id)nativeRepresentation {
  79         return nil;
  80 }
  81
  82 - (void)dealloc {
  83         if (_handle) {
  84                 ReleaseResource(_handle);
  85         }
  86         [super dealloc];
  87 }
  88
  89 @end