Re: [gobo-eiffel-develop] AP_STRING_LIST_OPTION?

[Bernd S. <ber...@in...>]

On Sun, 30 Sep 2007 22:25:58 +0200, Colin Adams  =

<col...@ho...> wrote:
>> I am thinking about adding an optional
>> 'split character' to AP_OPTION_WITH_PARAMETER that make '--foo=3Dx,y'=

>> equivalent to '--foo=3Dx --foo=3Dy'.
>
> I suppose that will do (assuming the split character is configurable).=


After having slept for a night, I think this is design overkill. Just  =

developing a special option type should be sufficient.

>> Also, I have strengthend the preconditions for parsing, and now you  =

>> should
>> have a contract violation if you add "two options with the same short=
 or
>> long form" (it is a little more complicated with alternative options
>> lists). The tag of the exception is currently 'valid_options', which =
is
>> not too good, but difficult to change.
>
> Is it committed yet? I will try it out when it is.

I has been committed and already been reviewed by Eric (thanks, do you  =

never sleep? ;-) )

>> PPS: I still have the request open to have `mutually exclusive option=
s',
>> but I have not found a good solution yet.
>
> Can't you just have references to other options which are to be regard=
ed  =

> as mutually exclusive?

The problem is not the check itself, but

- where to configure it (parser or option)
- how to generate a nice help text format illustrating it

Bernd