Re: [xsl] XSLT for Extensibility

Subject: Re: [xsl] XSLT for Extensibility
From: Alan Gutierrez <alan-xsl-list@xxxxxxxxx>
Date: Wed, 2 Feb 2005 12:54:54 -0500
* Dimitre Novatchev <dnovatchev@xxxxxxxxx> [2005-01-29 15:32]:
> >    How do you allow the user to plug in new tasks?
> > 
> >    This is a general problem I'm having, how do you create hooks,
> >    callbacks, er, how do you create an XSLT framework?
> > 
> Read about FXSL. It is a system to build and use higher-order
> functions in pure XSLT.

> >    --
> > 
> >    I asked elsewhere, and pipelines were suggested
> This is naturally done in FXSL by functional composition. As result
> otherwise difficlut problems can be solved in a one-liner XPath
> expression.
> Read more about FXSL at:


    For one project I'm opting to use pipelines of sorts. I'll
    generate intermediate files, and transform them further.

    Using this method, I can see how one would create a two step
    process, or three step process, but not how one would create a
    properly recursive process.

    Where I'm using Saxon 8.X, I'll start using FXSL.

    I can see how callbacks, and curried functions could be used to
    define an API, but I'm sure there is a lot to learn in practice. 

    Where can I see examples of an API specified in FXSL? Or is it
    so young that I sould study Haskell for best practice?

    Also, I see no lists for FXSL. Is this the correct forum in
    which to field new user questions?

    Thanks for recommending this. I'm looking forward to finally
    learning functional programming.

Alan Gutierrez - alan@xxxxxxxxx

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