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d5db7abf JF |
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*/ |