黑魔法 之 宏定义（持续更新...）

本文大部分是摘取新风做浪博友的宏定义 和 大神sunnyxx ，后续会持续更新。

#ifndef MacroDefinition_h

#define MacroDefinition_h

//-------------------获取设备大小-------------------------

//NavBar高度

#define NavigationBar_HEIGHT44

//获取屏幕宽度、高度

#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)

#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)

//-------------------获取设备大小-------------------------

//-------------------打印日志-------------------------

//DEBUG模式下打印日志,当前行

#ifdef DEBUG

#define DLog(fmt, ...) NSLog((@"%s [Line %d] "fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);

#else

#define DLog(...)

#endif

//重写NSLog,Debug模式下打印日志和当前行数

//#if DEBUG

//#define NSLog(FORMAT, ...) fprintf(stderr,"\nfunction:%s line:%d content:%s\n", __FUNCTION__, __LINE__, [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);

//#else

//#define NSLog(FORMAT, ...) nil

//#endif

//DEBUG模式下打印日志,当前行并弹出一个警告

#ifdef DEBUG

#define ULog(fmt, ...){ UIAlertView *alert = [[UIAlertView alloc]\

initWithTitle:[NSString stringWithFormat:@"%s\n [Line %d] ", __PRETTY_FUNCTION__, __LINE__] essage:[NSString stringWithFormat:fmt, ##__VA_ARGS__]delegate:nil cancelButtonTitle:@"Ok"otherButtonTitles:nil]; [alert show]; }

#else

#define ULog(...)

#endif

#define ITTDEBUG

#define ITTLOGLEVEL_INFO10

#define ITTLOGLEVEL_WARNING3

#define ITTLOGLEVEL_ERROR1

#ifndef ITTMAXLOGLEVEL

#ifdef DEBUG

#define ITTMAXLOGLEVEL ITTLOGLEVEL_INFO

#else

#define ITTMAXLOGLEVEL ITTLOGLEVEL_ERROR

#endif

#endif

// The general purpose logger. This ignores logging levels.

#ifdef ITTDEBUG

#define ITTDPRINT(xx, ...)NSLog(@"%s(%d): "xx, __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)

#else

#define ITTDPRINT(xx, ...)((void)0)

#endif

// Prints the current method's name.

#define ITTDPRINTMETHODNAME() ITTDPRINT(@"%s", __PRETTY_FUNCTION__)

// Log-level based logging macros.

#if ITTLOGLEVEL_ERROR <= ITTMAXLOGLEVEL

#define ITTDERROR(xx, ...)ITTDPRINT(xx, ##__VA_ARGS__)

#else

#define ITTDERROR(xx, ...)((void)0)

#endif

#if ITTLOGLEVEL_WARNING <= ITTMAXLOGLEVEL

#define ITTDWARNING(xx, ...)ITTDPRINT(xx, ##__VA_ARGS__)

#else

#define ITTDWARNING(xx, ...)((void)0)

#endif

#if ITTLOGLEVEL_INFO <= ITTMAXLOGLEVEL

#define ITTDINFO(xx, ...)ITTDPRINT(xx, ##__VA_ARGS__)

#else

#define ITTDINFO(xx, ...)((void)0)

#endif

#ifdef ITTDEBUG

#define ITTDCONDITIONLOG(condition, xx, ...) { if ((condition)) { \

ITTDPRINT(xx, ##__VA_ARGS__); \

} \

} ((void)0)

#else

#define ITTDCONDITIONLOG(condition, xx, ...) ((void)0)

#endif

#define ITTAssert(condition, ...)\

do {\

if (!(condition)) {\

[[NSAssertionHandler currentHandler]\

handleFailureInFunction:[NSString stringWithUTF8String:__PRETTY_FUNCTION__] \

file:[NSString stringWithUTF8String:__FILE__]\

lineNumber:__LINE__\

description:__VA_ARGS__];\

}\

} while(0)

//---------------------打印日志--------------------------

//----------------------系统----------------------------

//获取系统版本

#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]

#define CurrentSystemVersion [[UIDevice currentDevice] systemVersion]

//获取当前语言

#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])

//判断是否Retina屏、设备是否%fhone 5、是否是iPad

#define isRetina ([UIScreen instancesRespondToSelector:@selector(currentMode)] ?\

CGSizeEqualToSize(CGSizeMake(640,960), [[UIScreen mainScreen] currentMode].size) : NO)

#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? \

CGSizeEqualToSize(CGSizeMake(640,1136), [[UIScreen mainScreen] currentMode].size) : NO)

#define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

//判断是真机还是模拟器

#if TARGET_OS_IPHONE

//iPhone Device

#endif

#if TARGET_IPHONE_SIMULATOR

//iPhone Simulator

#endif

//检查系统版本

#define SYSTEM_VERSION_EQUAL_TO(v)([[[UIDevice currentDevice] systemVersion]\

compare:v options:NSNumericSearch] == NSOrderedSame)

#define SYSTEM_VERSION_GREATER_THAN(v)([[[UIDevice currentDevice] systemVersion] \

compare:v options:NSNumericSearch] == NSOrderedDescending)

#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)([[[UIDevice currentDevice] systemVersion]\

compare:v options:NSNumericSearch] != NSOrderedAscending)

#define SYSTEM_VERSION_LESS_THAN(v)([[[UIDevice currentDevice] systemVersion]\

compare:v options:NSNumericSearch] == NSOrderedAscending)

#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)([[[UIDevice currentDevice] systemVersion]\

compare:v options:NSNumericSearch] != NSOrderedDescending)

//----------------------系统----------------------------

//----------------------内存----------------------------

//使用ARC和不使用ARC

#if __has_feature(objc_arc)

//compiling with ARC

#else

// compiling without ARC

#endif

#pragma mark - common functions

#define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }

//释放一个对象

#define SAFE_DELETE(P) if(P) { [P release], P = nil; }

#define SAFE_RELEASE(x) [x release];x=nil

//----------------------内存----------------------------

//----------------------图片----------------------------

//读取本地图片

#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:ext]]

//定义UIImage对象

#define IMAGE(A) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:A ofType:nil]]

//定义UIImage对象

#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer]]

//建议使用前两种宏定义,性能高于后者

//----------------------图片----------------------------

//----------------------颜色类---------------------------

// rgb颜色转换（16进制->10进制）

#define UIColorFromRGB(rgbValue) \

[UIColor colorWithRed:((float)((rgbValue &0xFF0000) >>16))/255.0\

green:((float)((rgbValue &0xFF00) >>8))/255.0\

blue:((float)(rgbValue &0xFF))/255.0alpha:1.0]

//带有RGBA的颜色设置

#define COLOR(R, G, B, A) [UIColor colorWithRed:R/255.0green:G/255.0blue:B/255.0alpha:A]

//获取RGB颜色

#define RGBA(r,g,b,a) [UIColor colorWithRed:r/255.0fgreen:g/255.0fblue:b/255.0falpha:a]

#define RGB(r,g,b) RGBA(r,g,b,1.0f)

//背景色

#define BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0green:236.0/255.0blue:231.0/255.0alpha:1.0]

//清除背景色

#define CLEARCOLOR [UIColor clearColor]

#pragma mark - color functions

#define RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0fgreen:(g)/255.0fblue:(b)/255.0falpha:1]

#define RGBACOLOR(r,g,b,a) [UIColor colorWithRed:(r)/255.0fgreen:(g)/255.0fblue:(b)/255.0falpha:(a)]

//----------------------颜色类--------------------------

//----------------------其他----------------------------

//方正黑体简体字体定义

#define FONT(F) [UIFont fontWithName:@"FZHTJW--GB1-0"size:F]

//定义一个API

#define APIURL@"http://xxxxx/"

//登陆API

#define APILogin[APIURL stringByAppendingString:@"Login"]

//设置View的tag属性

#define VIEWWITHTAG(_OBJECT, _TAG)[_OBJECT viewWithTag : _TAG]

//程序的本地化,引用国际化的文件

#define MyLocal(x, ...) NSLocalizedString(x, nil)

//G－C－D

#define BACK(block) dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0), block)

#define MAIN(block) dispatch_async(dispatch_get_main_queue(),block)

//NSUserDefaults实例化

#define USER_DEFAULT [NSUserDefaults standardUserDefaults]

//由角度获取弧度有弧度获取角度

#define degreesToRadian(x) (M_PI * (x) /180.0)

#define radianToDegrees(radian) (radian*180.0)/(M_PI)

#define LITE_RESOURCE_BUNDLE[[ NSBundle mainBundle] pathForResource:\

@"LiteResource"\

ofType:@"bundle"];

//加锁

#define onExit \

__strong void (^block)(void) __attribute__((cleanup(blockCleanUp),unused)) = ^

/*

NSRecursiveLock *aLock = [[NSRecursivewLock alloc] init];

[aLock lock];

onExit {

[aLock unlock];//妈妈再也不用担心我忘写后半段了

}

*/

//TODO宏定义

#define STRINGIFY(S) #S

#define DEFER_STRINGIFY(S) STRINGIFY(S)

#define PRAGMA_MESSAGE(MSG) _Pragma(STRINGIFY(message(MSG)))

#define FORMATTED_MESSAGE(MSG)"[TODO-"DEFER_STRINGIFY(__COUNTER__)"] "MSG" \n"\

DEFER_STRINGIFY(__FILE__)" line "DEFER_STRINGIFY(__LINE__)

#define KEYWORDIFY try {} @catch (...) {}

//最终使用下面的宏

#define TODO(MSG) KEYWORDIFY PRAGMA_MESSAGE(FORMATTED_MESSAGE(MSG))

#endif

----------------------------------------------------------------------------

GCD  与  #define

#define DISPATCH_ONCE_BLOCK(onceBlock) static dispatch_once_t onceToken; dispatch_once(&onceToken, onceBlock);

+ (instancetype)sharedService {staticXXX *sharedService = nil;//直接一行搞定DISPATCH_ONCE_BLOCK(^{        sharedService = [XXXnew];            })returnsharedService;}

----------------------------------------------------------------------------

//在Main线程上运行#defineDISPATCH_ON_MAIN_THREAD(mainQueueBlock)dispatch_async(dispatch_get_main_queue(),mainQueueBlock);//在Global Queue上运行

#defineDISPATCH_ON_GLOBAL_QUEUE_HIGH(globalQueueBlocl)dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH,0),globalQueueBlocl);

#defineDISPATCH_ON_GLOBAL_QUEUE_DEFAULT(globalQueueBlocl)dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0),globalQueueBlocl);

#defineDISPATCH_ON_GLOBAL_QUEUE_LOW(globalQueueBlocl)dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW,0),globalQueueBlocl);

#defineDISPATCH_ON_GLOBAL_QUEUE_BACKGROUND(globalQueueBlocl)dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND,0),globalQueueBlocl);

//主线程上DISPATCH_ON_MAIN_THREAD(^{

       //更新UI

})

//Global QueueDISPATCH_ON_GLOBAL_QUEUE_DEFAULT(^{

      //异步耗时任务

})

//获取View的属性

#defineGetViewWidth(view)view.frame.size.width

#defineGetViewHeight(view)view.frame.size.height

#defineGetViewX(view)view.frame.origin.x

#defineGetViewY(view)view.frame.origin.y

//屏幕常量

#define GetScreenWidth      [[UIScreen mainScreen] bounds].size.width

#define GetScreenHeight    [[UIScreen mainScreen] bounds].size.height

\#defineSuppressPerformSelectorLeakWarning(Stuff)do{\_Pragma("clang diagnostic push")\_Pragma("clang diagnostic ignored\"-Warc-performSelector-leaks\"")Stuff;\_Pragma("clang diagnostic pop")\}while(0)

_Pargma的处理方式是把字符串常量的内容（在删除两边的双引号，并把字符串常量内部的\“替换为”，把\替换为\之后）看成是#pragma指令中出现的预处理器标记。 这段代码的基本流程:

1. push 当前警告入栈

2. 忽略我们要消除的警告

3. 执行会产生警告的代码

4. pop 警告出栈——恢复之前的状态