On 19 jan. 2014, at 11:53, Kate F <kate@elide.org> wrote:

> Hi,
> 
> I'm trying to glue MkIV XML handling to ConTeXt's tabulation. My
> markup has a HTML-style table model, with an arbitary number of <col>
> elements.
> 
> My problem is to produce the |c|c|c|c| format based on the number of
> <col> elements I have, rather than hardcoding a specific number of
> columns.
> 
> I thought I could do something like this, but unfortunately the string
> produced by \xmlconcat{#1}{col}{\|} seems to be ignored:
> 
>    % in practice this would produce various alignments, not just "c"
>    \startxmlsetups xml:col
>        c
>    \stopxmlsetups
> 
>    \startxmlsetups xml:table
>        \starttabulate[\|\xmlconcat{#1}{col}{\|}\|]
>        \xmlall{#1}{thead|tbody}
>        \stoptabulate
>    \stopxmlsetups
> 
> Whereas this works fine, as I'd expect: \starttabulate[|c|c|c|c|]
> 
> (I'm also confused about the escaping for \| there. I guess the [] is
> a special environment, with | being given a different catcode,
> perhaps?)
> 
> Is there a way to do this, with the number of columns and their
> alignment generated from the input XML?
> 
> Thanks,
> 
> -- 
> Kate
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
> archive  : http://foundry.supelec.fr/projects/contextrev/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________