gistfile1.m

//
// Prefix header for all source files of the 'Folio' target in the 'Folio' project
//

#ifdef __OBJC__
    #import <Foundation/Foundation.h>
    #import <UIKit/UIKit.h>
    #import <QuartzCore/QuartzCore.h>
    #import <CoreGraphics/CoreGraphics.h>
    #import <CoreText/CoreText.h>
    #import "NSOperationQueue+CommonQueue.h"
    #import "UIApplication+CommonDirectoryExtensions.h"
    #import "BPMainThreadNotificationQueue.h"
    #import "NSObject+BPMainThreadNotificationQueue.h"
    #import "BPUUID.h"

    #define A(obj, objs...) [NSArray arrayWithObjects:obj, ## objs , nil]
    #define F(a) [a objectAtIndex:0]
    #define I(a, i) [a objectAtIndex:i]
    #define R(a) [a subarrayWithRange:NSMakeRange(1, [a length] - 1)]

    #define D(value, key, values...) [NSDictionary dictionaryWithObjectsAndKeys:value, key, ## values , nil]

    #define V(o, k) [o objectForKey:k]

    #define S(v) [v description]

    // Number boxing and unboxing macros
    #define Bb(i) [NSNumber numberWithBool:i]
    #define Bc(i) [NSNumber numberWithChar:i]
    #define Bs(i) [NSNumber numberWithShort:i]
    #define Bi(i) [NSNumber numberWithInteger:i]
    #define Bl(i) [NSNumber numberWithLong:i]
    #define Bll(i) [NSNumber numberWithLongLong:i]
    #define Bf(i) [NSNumber numberWithFloat:i]
    #define Bd(i) [NSNumber numberWithDouble:i]

    #define Ub(n) [n boolValue]
    #define Uc(n) [n charValue]
    #define Us(n) [n shortValue]
    #define Ui(n) [n integerValue]
    #define Ul(n) [n longValue]
    #define Ull(n) [n longLongValue]
    #define Uf(n) [n floatValue]
    #define Ud(n) [n doubleValue]

    #define iPhone() [UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPhone
    #define iPad() [UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad

    static uint32_t iOSCurrentVersion() {
        NSString *versionString = [[UIDevice currentDevice] systemVersion];
        NSArray *versionComponents = [versionString componentsSeparatedByString:@"."];
        
        if ([versionComponents count] > 4)
            versionComponents = [versionComponents subarrayWithRange:NSMakeRange(0, 4)];
        
        uint32_t bits = 24;
        uint32_t accum = 0;
        for (NSString *component in versionComponents) {
            accum |= [component integerValue] << bits;
            bits -= 8;
        }
        
        return accum;
    }

    #define iOS(major, minor, tiny) ((major << 24) | (minor << 16) | (tiny << 8))

    #define Scale() ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] ? [[UIScreen mainScreen] scale] : 1.0)

    #ifdef DEBUG
        #define DebugLog(fmt, args...) NSLog(fmt, ## args)
    #else
        #define DebugLog(fmt, args...) do { } while (0)
    #endif

    #define NilIfEmpty(s) (([s length] > 0) ? s : nil)

    #define NotificationObservationSupport static NSMutableArray *_observedNotificationNames = nil

    #define ObserveNotification(notificationName, aSelector) do { if (_observedNotificationNames == nil) _observedNotificationNames = [NSMutableArray new]; [[NSNotificationCenter defaultCenter] addObserver:self selector:aSelector name:notificationName object:nil]; [_observedNotificationNames addObject:notificationName]; } while (0)
    #define CleanupNotificationObservers do { for (NSString *notificationName in _observedNotificationNames) { [[NSNotificationCenter defaultCenter] removeObserver:self name:notificationName object:nil]; [_observedNotificationNames removeObject:notificationName]; } [_observedNotificationNames release]; _observedNotificationNames = nil; } while (0)

#endif