Re: [Dev-C++] Off:Classes Access Restrictions

[Daniel G. <sp...@ho...>]

Are you saying that you will create objects of the class, named Dummies, 
Nerds, and BadBoys and limit their access?

I might suggest using overloaded constructors and setting a member variable 
(a bool) to TRUE when used. For example, you have three overloaded 
constructors.

any (DummyAccess = true);
any (DummyAccess = true, NerdAccess = true);
any (DummyAccess = true, NerdAccess = true, BadBoysAccess = true);

Then in the member functions

void any::very_important_func3( any &ConstructedObject )
{
   if (ConstructedObject.NerdAccess != true)
   {
      return 0;  // escape from the function
   }
   //... Do something
}


What about that?


>From: André Macário Barros <ama...@uo...>
>To: Dev-C++ Mailing List <dev...@li...>
>Subject: [Dev-C++] Off:Classes Access Restrictions
>Date: Mon, 28 Oct 2002 23:06:15 -0200
>
>Gentelmen,
>
>    Sorry about the off-topic question, but let me know if you can help:
>
>    1. Consider the following Class
>        Class any{
>        public:
>           any (int x=0, int y=0, int z=0);
>           void dummy_func1();
>           void not_so_dummy_func2();
>           void very_important_func3();
>           void only_for_bad_boys_func4();
>        private:
>           int x;
>           int y;
>           int z;
>        };
>
>    2. Let suppose 3 different groups of users (supose programmers):
>        "The dummies", "The Nerds", and "The Bad Boys"
>
>    3. I want to restrict the access to the public functions by group,
>that is, dummies programs only accessing func1, nerds programs accessing
>func1 to func3, and badboys programs accessing all the functions;
>
>    4. Is it possible do this, step 3, in C++?
>
>    5. If item 4 is possible, is it possible in Dev-C++? How?
>
>Regards
>André
>
>
>
>
>
>
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