[Boost-users] Re: Re: Handling "actions" with program_options

From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-02-28 04:04:14

Julio M. Merino Vidal wrote:

>> FWIW, I find this CVS like behaviour (where options mean different things
>> depending on where you use them), to be highly confusing and undesirable.
>> If one option mean the same everywhere, it means the interface much
>> simpler.
> 
> Somewhat yes.  But anyway, I'm not using options in different places
> with different meanings ;)

Then, why does it matter where the option is specified ;-) 

>> > after processing the options, so that argv[0] becomes the name of the
>> > action, and any remaining entries are its arguments.  The same can be
>> > achieved with getopt_long.
>> > 
>> > So... is it there any way to do what I want with the actual
>> > implementation?  Can't see anything relevant in the docs...
>> 
>> Did you try using positional options to parse the 'action' and arguments
>> to it?
> 
> I tried, but I couldn't decipher the documentation.  IMVHO, it lacks
> some info about what "positional options" are, their purpose, and how
> they are intended to be used.

You mean that

   http://www.meta-comm.com/engineering/resources/cs-win32_metacomm/doc/html/program_options/overview.html#id587197

is not sufficiently detailed? I'll try to improve that section, then.

- Volodya