| 1 | #ifndef UICABOODLE_UCSTRING_H |
| 2 | #define UICABOODLE_UCSTRING_H |
| 3 | |
| 4 | #import <Foundation/NSString.h> |
| 5 | |
| 6 | @interface NSString (UIKit) |
| 7 | - (NSString *) stringByAddingPercentEscapes; |
| 8 | - (NSString *) stringByReplacingCharacter:(unsigned short)arg0 withCharacter:(unsigned short)arg1; |
| 9 | @end |
| 10 | |
| 11 | @interface NSString (UICaboodle) |
| 12 | + (NSString *) stringWithDataSize:(double)size; |
| 13 | - (NSString *) stringByAddingPercentEscapesIncludingReserved; |
| 14 | @end |
| 15 | |
| 16 | @implementation NSString (UICaboodle) |
| 17 | |
| 18 | + (NSString *) stringWithDataSize:(double)size { |
| 19 | unsigned power = 0; |
| 20 | while (size > 1024) { |
| 21 | size /= 1024; |
| 22 | ++power; |
| 23 | } |
| 24 | |
| 25 | static const char *powers_[] = {"B", "KiB", "MiB", "GiB"}; |
| 26 | |
| 27 | return [NSString stringWithFormat:@"%.1f%s", size, powers_[power]]; |
| 28 | } |
| 29 | |
| 30 | - (NSString *) stringByAddingPercentEscapesIncludingReserved { |
| 31 | return [(id)CFURLCreateStringByAddingPercentEscapes( |
| 32 | kCFAllocatorDefault, |
| 33 | (CFStringRef) self, |
| 34 | NULL, |
| 35 | CFSTR(";/?:@&=+$,"), |
| 36 | kCFStringEncodingUTF8 |
| 37 | ) autorelease]; |
| 38 | } |
| 39 | |
| 40 | @end |
| 41 | |
| 42 | #endif/*UICABOODLE_UCSTRING_H*/ |