Re: SELinux userspace infrastructure language

[Stephen Bennett <spb@gentoo.org>]

On Fri, 1 Jun 2007 12:40:53 +0100
Stephen Bennett <spb@gentoo.org> wrote:

> On Fri, 01 Jun 2007 00:10:15 -0400
> James Antill <jantill@redhat.com> wrote:
> 
> > > From the library side, C++ has the advantage that it can produce
> > > bindings for any language that C can.
> > 
> >  Do you have a examples of this? From what little I know it's _much_
> > harder to produce usable bindings from C++, the Qt/KDE bindings seem
> > to have been in the works for years now and AIUI only very
> > recently[1] got into KDE's stable branch. With the first non-C++
> > application being written in ... python.
> 
> I know from recent experience that Ruby and Python can be done
> directly without too much trouble. If anything else is needed that
> particularly defies bindings in C++, one can (in principle, and if
> you haven't relied upon too many of the more advanced language
> features) create a C API by turning all object pointers into opaque
> types and wrapping methods in regular function calls, then go from
> that.

The example I had in mind being
http://paludis.pioto.org/trac/browser/trunk -- the ruby/ and python/
directories contain the bindings for those languages. The library
itself is a lot of pretty 'heavy' C++. The Python interface uses the
Boost library for convenience, whereas Ruby uses the Ruby/C API
directly.

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