NSObject+ivars.m

// Simple way of getting a list of ivar names for an Objective-C class.

#import <objc/runtime.h>

@interface NSObject (ivars)
-(NSArray *)ivars {
	unsigned int ivarCount = 0;
	Ivar *ivars = class_copyIvarList([self class], &ivarCount);
	if (ivars && ivarCount) {
		NSMutableArray *array = [NSMutableArray array];
		unsigned int idx = 0;
		for (idx=0; idx < ivarCount; idx++) {
			Ivar ivar = ivars[idx];
			[array addObject:[NSString stringWithUTF8String:ivar_getName(ivar)]];
		}
		free(ivars);
		return array;
	}
	return nil;
}
@end