http://www.g8production.com/post/41358908279/how-to-get-the-class-of-a-property-with-objective-c HOW TO GET THE CLASS OF A PROPERTY WITH OBJECTIVE-C RUNTIME REFERENCE

gistfile1.m

//# How to get the Class of a Property of a Objective-C Class with Objective-C Runtime Reference.




+ (id)getPropertyClass:(objc_property_t)currentProperty
{
  NSString *currentPropertyAttrs = [NSString stringWithUTF8String:property_getAttributes(currentProperty)];
	
	NSError *error = nil;
	NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"T@\"[a-zA-Z0-9]+\"" options:NSRegularExpressionCaseInsensitive error:&error];
	
	if(error == nil)
	{
		NSRange rangeOfFirstMatch = [regex rangeOfFirstMatchInString:currentPropertyAttrs options:0 range:NSMakeRange(0, [currentPropertyAttrs length])];
		if(rangeOfFirstMatch.length > 0)
		{
			NSString *propertyClassName = [currentPropertyAttrs substringWithRange:NSMakeRange(3, rangeOfFirstMatch.length-1-3)];
			
			id propertyClass = NSClassFromString(propertyClassName);
			return propertyClass;
		}
	}
	return nil;
}

Source from the post: HOW TO GET THE CLASS OF A PROPERTY WITH OBJECTIVE-C RUNTIME REFERENCE

http://www.g8production.com/post/41358908279/how-to-get-the-class-of-a-property-with-objective-c

by Daniele Galiotto