[NTG-context] reading attribute from ancestor element in XML

Hans Hagen pragma at wxs.nl
Tue Oct 6 12:46:35 CEST 2015


On 10/6/2015 12:06 PM, massifr at fastwebnet.it wrote:
> Hello list,
> I have an XML fragment like this:
>
> <div id="myid">
>    <p><sup>12</sup> blah blah...</p>
> </div>
>
> In the typeset text I want to substitute the text of the sup element ("12")
> with the id ("myid") in its div grandfather.
>
> The xmlsetup associated to the sup element looks like this:
>
> \startxmlsetups xml:sup
>    \xmlatt{\xmlfirst{#1}{../..}}{id}
> \stopxmlsetups

\xmlattribute{#1}{../..}{id}


> This gives an error (TeX capacity exceeded).
> I'm using ConTeXt version 2015.06.15.
> I've tried \xmlfilter and \xmlall too, with different lpaths.
> Sometimes ConTeXt ends without errors,
> but I've never managed to get the text of that attribute.
>
> What's the right way to backtrack to parent and ancestor nodes?
> ___________________________________________________________________________________
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>
> maillist : ntg-context at ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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> ___________________________________________________________________________________
>


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