UICaboodle/UCString.h

   1 #ifndef UICABOODLE_UCSTRING_H
   2 #define UICABOODLE_UCSTRING_H
   3
   4 #import <Foundation/NSString.h>
   5
   6 @interface NSString (UICaboodle)
   7 + (NSString *) stringWithDataSize:(double)size;
   8 @end
   9
  10 @implementation NSString (UICaboodle)
  11
  12 + (NSString *) stringWithDataSize:(double)size {
  13     unsigned power = 0;
  14     while (size > 1024) {
  15         size /= 1024;
  16         ++power;
  17     }
  18
  19     static const char *powers_[] = {"B", "KiB", "MiB", "GiB"};
  20
  21     return [NSString stringWithFormat:@"%.1f%s", size, powers_[power]];
  22 }
  23
  24 @end
  25
  26 #endif/*UICABOODLE_UCSTRING_H*/