Re: [Chicken-users] format-modular feature request: defining one's own multi-part formats

[Robin Lee Powell]

On Fri, Mar 07, 2008 at 02:27:55PM -0800, Robin Lee Powell wrote:
> On Fri, Mar 07, 2008 at 01:39:02PM -0800, Kon Lovett wrote:
> > You can override the existing semantics by supplying your own
> > procedures. However access to the state object is very
> > restricted to the public. So not all functionality that the
> > *formatter-foo* provide can be reproduced by an external
> > formatter. And the public cannot extend the state object, which
> > might be necessary to implement own  "before-and-after escape
> > sequences".
> 
> Right; that's exactly what I was asking for as a feature request.
> 
> > But that doesn't mean you cannot override the existing
> > semantics. You  just cannot do everything.
> >
> > (define (formatter-open state start params colon atsign) ... )
> >
> > (define (formatter-close state start params colon atsign) ... )
> 
> OK, so having done that (and the other stuff you snipped) how do I
> get access to everything between ~( and ~), and replace all of it
> in the formatted output?  As far as I know, I can't do that
> without some form of access to the state object.

Or, I can just save the "start" values and mash up the string
myself.  I think I'll do that.  :)

-Robin

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