黑魔法 之 宏定義（持續(xù)更新...）

本文大部分是摘取新風(fēng)做浪博友的宏定義 和 大神sunnyxx ，后續(xù)會(huì)持續(xù)更新。

#ifndef MacroDefinition_h

#define MacroDefinition_h

//-------------------獲取設(shè)備大小-------------------------

//NavBar高度

#define NavigationBar_HEIGHT44

//獲取屏幕寬度、高度

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

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

//-------------------獲取設(shè)備大小-------------------------

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

//DEBUG模式下打印日志,當(dāng)前行

#ifdef DEBUG

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

#else

#define DLog(...)

#endif

//重寫NSLog,Debug模式下打印日志和當(dāng)前行數(shù)

//#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,當(dāng)前行并彈出一個(gè)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--------------------------

//----------------------系統(tǒng)----------------------------

//獲取系統(tǒng)版本

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

#define CurrentSystemVersion [[UIDevice currentDevice] systemVersion]

//獲取當(dāng)前語言

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

//判斷是否Retina屏、設(shè)備是否%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)

//判斷是真機(jī)還是模擬器

#if TARGET_OS_IPHONE

//iPhone Device

#endif

#if TARGET_IPHONE_SIMULATOR

//iPhone Simulator

#endif

//檢查系統(tǒng)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)

//----------------------系統(tǒng)----------------------------

//----------------------內(nèi)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; }

//釋放一個(gè)對象

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

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

//----------------------內(nèi)存----------------------------

//----------------------圖片----------------------------

//讀取本地圖片

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

//定義UIImage對象

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

//定義UIImage對象

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

//建議使用前兩種宏定義,性能高于后者

//----------------------圖片----------------------------

//----------------------顏色類---------------------------

// rgb顏色轉(zhuǎn)換（16進(jìn)制->10進(jìn)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]

//帶有RGBA的顏色設(shè)置

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

//獲取RGB顏色

#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)]

//----------------------顏色類--------------------------

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

//方正黑體簡體字體定義

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

//定義一個(gè)API

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

//登陸API

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

//設(shè)置View的tag屬性

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

//程序的本地化,引用國際化的文件

#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實(shí)例化

#define USER_DEFAULT [NSUserDefaults standardUserDefaults]

//由角度獲取弧度有弧度獲取角度

#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"];

//加鎖

#define onExit \

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

/*

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

[aLock lock];

onExit {

[aLock unlock];//媽媽再也不用擔(dān)心我忘寫后半段了

}

*/

//TODO宏定義

#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 (...) {}

//最終使用下面的宏

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

#endif

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

GCD ?與 ?#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線程上運(yùn)行#defineDISPATCH_ON_MAIN_THREAD(mainQueueBlock)dispatch_async(dispatch_get_main_queue(),mainQueueBlock);//在Global Queue上運(yùn)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);

//主線程上DISPATCH_ON_MAIN_THREAD(^{

? ? ? ?//更新UI

})

//Global QueueDISPATCH_ON_GLOBAL_QUEUE_DEFAULT(^{

? ? ? //異步耗時(shí)任務(wù)

})

//獲取View的屬性

#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的處理方式是把字符串常量的內(nèi)容（在刪除兩邊的雙引號(hào)，并把字符串常量內(nèi)部的\“替換為”，把\替換為\之后）看成是#pragma指令中出現(xiàn)的預(yù)處理器標(biāo)記。 這段代碼的基本流程:

1. push 當(dāng)前警告入棧

2. 忽略我們要消除的警告

3. 執(zhí)行會(huì)產(chǎn)生警告的代碼

4. pop 警告出?！謴?fù)之前的狀態(tài)

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