-(void)encodeWithCoder:(NSCoder *)aCoder
{
unsigned int count = 0;
Ivar *Ivars = class_copyIvarList([self class], &count);
for (int i = 0; i<count; i++) {
Ivar ivar = Ivars[i];
const char *name = ivar_getName(ivar);
NSString *key = [NSString stringWithUTF8String:name];
id value = [self valueForKey:key];
[aCoder encodeObject:value forKey:key];
}
free(Ivars);
}
- (instancetype)initWithCoder:(NSCoder *)coder
{
self = [super init];
if (self) {
unsigned int count = 0;
Ivar *Ivars = class_copyIvarList([self class], &count);
for (int i = 0; i<count; i++) {
Ivar ivar = Ivars[i];
const char *name = ivar_getName(ivar);
NSString *key = [NSString stringWithUTF8String:name];
id value = [coder decodeObjectForKey:key];
[self setValue:value forKey:key];
}
free(Ivars);
}
return self;
}
