// // TWTRAssertionMacros.h // TwitterKit // // Created by Kang Chen on 3/5/15. // Copyright (c) 2015 Twitter. All rights reserved. // #import #ifdef __OBJC__ #define TWTRParameterAssertSettingError(condition, errorPointer) \ NSParameterAssert((condition)); \ if (!(condition)) { \ NSLog(@"[TwitterKit] %@ Invalid parameter not satisfying: %s", NSStringFromSelector(_cmd), #condition); \ if (errorPointer != NULL) { \ *errorPointer = [NSError errorWithDomain:TWTRErrorDomain code:TWTRErrorCodeMissingParameter userInfo:@{NSLocalizedDescriptionKey: [NSString stringWithFormat:@"Missing parameter %s", #condition]}]; \ } \ } #define TWTRParameterAssertOrReturnValue(condition, returnValue) \ NSParameterAssert((condition)); \ if (!(condition)) { \ NSLog(@"[TwitterKit] %@ Invalid parameter not satisfying: %s", NSStringFromSelector(_cmd), #condition); \ return returnValue; \ } #define TWTRParameterAssertOrReturnNil(condition) \ NSParameterAssert((condition)); \ if (!(condition)) { \ NSLog(@"[TwitterKit] %@ Invalid parameter not satisfying: %s", NSStringFromSelector(_cmd), #condition); \ return nil; \ } #define TWTRParameterAssertOrReturn(condition) \ NSParameterAssert((condition)); \ if (!(condition)) { \ NSLog(@"[TwitterKit] %@ Invalid parameter not satisfying: %s", NSStringFromSelector(_cmd), #condition); \ return; \ } #define TWTRAssertMainThread() \ if (![NSThread isMainThread]) { \ [NSException raise:NSInternalInconsistencyException format:@"Need to be on the main thread."]; \ return; \ } // Check a single argument, and call a completion block if it's missing #define TWTRCheckArgumentWithCompletion(condition, completion) \ TWTRParameterAssertOrReturn(completion); \ NSError *parameterError; \ TWTRParameterAssertSettingError((condition), ¶meterError); \ if (parameterError) { \ completion(nil, nil, parameterError); \ return; \ } #define TWTRCheckArgumentWithCompletion2(condition, completion) \ TWTRParameterAssertOrReturn(completion); \ NSError *parameterError; \ TWTRParameterAssertSettingError((condition), ¶meterError); \ if (parameterError) { \ completion(nil, parameterError); \ return; \ } #endif