MYSByteCountFormatter.h

//
//  MYSByteCountFormatter.h
//  FirehoseChat
//
//  Created by Adam Kirk on 6/5/14.
//  Copyright (c) 2014 Adam Kirk. All rights reserved.
//

// Taken from Ben Dolman's code used in the Day One Journalling app (with permission)

#import <Foundation/Foundation.h>


typedef enum {
    // Specifies display of file or storage byte counts. The actual behavior for this is platform-specific; on OS X 10.8, this uses the decimal style, but that may change over time.
    DOByteCountFormatterCountStyleFile   = 0,
    // Specifies display of memory byte counts. The actual behavior for this is platform-specific; on OS X 10.8, this uses the binary style, but that may change over time.
    DOByteCountFormatterCountStyleMemory = 1,
    // The following two allow specifying the number of bytes for KB explicitly. It's better to use one of the above values in most cases.
    DOByteCountFormatterCountStyleDecimal = 2,    // 1000 bytes are shown as 1 KB
    DOByteCountFormatterCountStyleBinary  = 3     // 1024 bytes are shown as 1 KB
} DOByteCountFormatterCountStyle;


@interface MYSByteCountFormatter : NSFormatter

@property DOByteCountFormatterCountStyle countStyle;

+ (NSString *)stringFromByteCount:(long long)byteCount countStyle:(DOByteCountFormatterCountStyle)countStyle;

- (NSString *)stringFromByteCount:(long long)byteCount;

@end