Create NSObject in runtime from an array of NSDictionary

NSObjectFromNSDictionary.m

- (NSArray *)getRecrodsFromDictionary: (NSDictionary*)dictionary {
	// the following include the array that I want to turn into objects
	NSArray * response = [self parseKey:@"responseDetails" fromDictionary:dictionary];
	NSMutableArray * rows = [[NSMutableArray alloc] init];
	if ([response count] != 0) {
		// 1. get all NSDictionary keys
		NSDictionary * temp = response[0];
		NSArray * keys = [temp allKeys];

		// 2. create a class
		Class ModelClass = objc_allocateClassPair([NSObject class], "WidgetDetailsModel", 0);

		// 3. all class variables with the same name as key retrieved from NSDictionary
		for (NSString * key in keys) {
			const char * name = [key cStringUsingEncoding:NSASCIIStringEncoding];
			class_addIvar(ModelClass, name, sizeof(id), rint(log2(sizeof(id))), @encode(NSString));
		}

		// 4. register a class to be used
		objc_registerClassPair(ModelClass);

		for (NSDictionary * curr in response) {
			// create object
			id MC = [[ModelClass alloc] init];
			for (NSString * key in keys) {
				// set values
				const char * name = [key cStringUsingEncoding:NSASCIIStringEncoding];
				Ivar CurrVar = class_getInstanceVariable(ModelClass, name);
				NSString * newValue = [curr objectForKey: key];
				object_setIvar(MC, CurrVar, newValue);
			}
			// add object to array
			[rows addObject:MC];
		}
	}
	return [rows copy];
}