[DGD] Re: My idea for the DGD driver - validate

[kevinc at seaplace.org]

The call_other() override in AUTO, combinded with a function_object()call
to see if the validate() function existed (default if not: allow the call)
would save a lot of coding for routine objects.  Validate() would then
only need to be added to sensitive objects.

I might be missing something, but seems like you could get 100% of what
you want using the above.

Kevin C.

>
> From: "Robert Forshaw" <iouswuoibev at hotmail.com
>
>
>> a function, or all functions. The feature is supposed to allow you to
> decide
>> what objects can call the functions in an object, (or you can in fact
> decide
>> whether the functions can be called on any expression, its entirely up
>> to
>> you what goes in the validate function) in a very compact way, without
> the
>> need to perform individual checks at the beginning of each and every
>> function, which is both tedious and prone to human error.
>
> Couldn't you override call_other in the AUTO to call this security
> function
> of yours and get the same result?  Granted, you'd need to write that
> validate function in each object, and you'd be imposing a small cost on
> all
> call_others (the large majority of which likely won't be giving rise to
> security concerns), but this would meet your requirements, wouldn't it?
>
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