From: Simon Strandgaard <0bz63fz3m1qt3001@...>
Date: 2003-06-06T01:19:41+09:00
Subject: Re: Ruby-SWIG question: wrapping function objects with blocks

On Thu, 05 Jun 2003 17:07:03 +0200, Christian Szegedy wrote:

> In out project, there are a lot of functions which
> take a function object parameter (Apply<T>)
> and call then may call the call method of this
> object. I would like to wrap it with a Ruby code
> which takes a block and the creates a new apply
> object whose call function calls the block.

Do you want something like this ?

/*
* within C.
*/
void my_c_function(HOOK hook) {
    printf("1\n");
    hook();
    printf("3\n");
}


#
# within Ruby.
#
def my_super_hook
   puts "2"
end



If I understand you correct you want to 
supply 'my_super_hook' to 'my_c_funtion'.  Am I right ?

It is possible.. But I don't know how to exactly do this.


I am working on a tutorial about callback between C++ and Ruby, 
which may have your interest. 
http://metaeditor.sf.net/embed/


--
Simon Strandgaard