From: Joel VanderWerf <vjoel@...>
Date: 2009-05-26T04:44:09+09:00
Subject: Re: bit-struct and arrays of members?

Markus Fischer wrote:
> Hi,
> 
> I'm using the bit-struct [1] (which is just awesome, btw) and wondering
> how I can realize arrays of members.
> 
> I'm reading binary data from pre-existing files which are based on C
> structs which look similar to this basic example:
> 
> struct {
>   int vector[5];
>   ...
> } vector_t;
> 
> My current solution is to just write:
> 
> class Vector < BitStruct
>   default_options :endian => :little
>   signed vector_1, 32
>   signed vector_2, 32
>   signed vector_3, 32
> ...
> 
> I would prefer to use an array. I couldn't figure out how to do it,
> there's no example with it and I start to think it's not possible ... ?
> 
> thanks,
> - Markus
> 
> [1] http://redshift.sourceforge.net/bit-struct/

Sorry, no support for that (yet). IIRC one of the other libs has 
something for this, maybe it was binstruct or binaryparse.

It's not really too different from the #nest construct, so maybe it 
could be added along those lines, as long as the array length is static. 
Will think about it...

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407