From: intc_ctor@... (Phil Tomson)
Date: 2004-01-09T06:46:40+09:00
Subject: Re: convert a C/C++ array to a Ruby array

elathan@phys.uoa.gr wrote in message news:<1073567518.3ffd571e18e36@webmail.uoa.gr>...
> Quoting nobu.nokada@softhome.net: 
> > > Actually it is part of the functionallity a C++ Class embeds:  
> > >   
> > > Foo::Foo(int n, double *f);  
> > > double * Foo::Get();  
> > >  
> > > Okay, I can grab 'n' from the constructor and use it as the length  
> > > of the Ruby/C array, but I wanted to make sure that there is no   
> > > general way to procceed without messing with the details of the  
> > > C/C++ code.  
> >  
> > If you can get the length from Foo, you can use it. 
>  
> Yes I know. The problem is that I am creating Ruby bindings for a large 
> framework (more than 50 C++ classes) and the bindings code is automagically 
> generated by reading the C++ prototypes, using a handmade Ruby  
> parser/compiler. 
>  
> The generated code is quite readable and can be altered by a human, but 
> I want to eliminate as much as I can the human intervation, so as the majority of the  
> C++ prototypes to be compiled in the Ruby API without human editing. 
>  
<snip>

>  
> I checked SWIG and it returns a special SWIG object in that case... 
>  


I'm just curious, why didn't you use SWIG for this?  Sounds sort of
like you're recreating SWIG.

Phil