libuicache.mm

   1 #include <objc/runtime.h>
   2 #include <Foundation/Foundation.h>
   3
   4 @interface MIFileManager
   5 + (MIFileManager *) defaultManager;
   6 - (NSURL *) destinationOfSymbolicLinkAtURL:(NSURL *)url error:(NSError *)error;
   7 @end
   8
   9 static Class $MIFileManager;
  10
  11 static NSArray *(*_MIFileManager$urlsForItemsInDirectoryAtURL$ignoringSymlinks$error$)(MIFileManager *self, SEL _cmd, NSURL *url, BOOL ignoring, NSError *error);
  12
  13 static NSArray *$MIFileManager$urlsForItemsInDirectoryAtURL$ignoringSymlinks$error$(MIFileManager *self, SEL _cmd, NSURL *url, BOOL ignoring, NSError *error) {
  14     MIFileManager *manager(reinterpret_cast<MIFileManager *>([$MIFileManager defaultManager]));
  15     NSURL *destiny([manager destinationOfSymbolicLinkAtURL:url error:NULL]);
  16     if (destiny == nil)
  17         return _MIFileManager$urlsForItemsInDirectoryAtURL$ignoringSymlinks$error$(self, _cmd, url, YES, error);
  18
  19     NSArray *prefix([url pathComponents]);
  20     size_t skip([[destiny pathComponents] count]);
  21     NSMutableArray *items([NSMutableArray array]);
  22     for (NSURL *item in _MIFileManager$urlsForItemsInDirectoryAtURL$ignoringSymlinks$error$(self, _cmd, destiny, YES, error)) {
  23         NSArray *components([item pathComponents]);
  24         [items addObject:[NSURL fileURLWithPathComponents:[prefix arrayByAddingObjectsFromArray:[components subarrayWithRange:NSMakeRange(skip, [components count] - skip)]]]];
  25     }
  26
  27     return items;
  28 }
  29
  30 __attribute__((__constructor__))
  31 static void initialize() {
  32     $MIFileManager = objc_getClass("MIFileManager");
  33     SEL sel(@selector(urlsForItemsInDirectoryAtURL:ignoringSymlinks:error:));
  34     Method method(class_getInstanceMethod($MIFileManager, sel));
  35     _MIFileManager$urlsForItemsInDirectoryAtURL$ignoringSymlinks$error$ = reinterpret_cast<NSArray *(*)(MIFileManager *, SEL, NSURL *, BOOL, NSError *)>(method_getImplementation(method));
  36     method_setImplementation(method, reinterpret_cast<IMP>(&$MIFileManager$urlsForItemsInDirectoryAtURL$ignoringSymlinks$error$));
  37 }