gistfile1.m

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

#ifdef __OBJC__
    #import <Foundation/Foundation.h>
    #import <UIKit/UIKit.h>

    #define nonatomic_retainProperty(prop, value) do { if (prop != value) { [prop release]; prop = [value retain]; } } while(0);
    #define nonatomic_copyProperty(prop, value) do { if (prop != value) { [prop release]; prop = [value copy]; } } while(0);

    #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(k, v) [NSDictionary dictionaryWithObject:v forKey:k]

    #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
    #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...)
    #endif

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

    #define observe(obj, key, keys...) { for (NSString *k in A(key, ## keys)) [obj addObserver:self forKeyPath:k options:NSKeyValueObservingOptionNew context:nil]; }
    #define unobserve(obj, key, keys...) { for (NSString *k in A(key, ## keys)) [obj removeObserver:self forKeyPath:k]; } 

    #define kvo_updater(target) - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { [self performSelector:target withObject:nil]; }
#endif