\xmlfilter is your friend:
\startxmlsetups xml:initialize
\xmlsetsetup{#1}{html}{xml:gen}
\stopxmlsetups
\xmlregistersetup{xml:initialize}
\startxmlsetups xml:gen
\xmlfilter{#1}{/**/span[@class='special']/command(xml:special)}
\stopxmlsetups
\startxmlsetups xml:special
\bgroup\bfd\ssd\xmlflush{#1}\egroup
\stopxmlsetups
Best wishes,
Taco
> On 16 Aug 2020, at 11:02, Pablo Rodriguez <oi...@gmx.es> wrote:
>
> Dear list,
>
> I have the following sample:
>
> \startbuffer[demo]
> <html>
> <body>
> <div class="irrelevant">
> <p>This is <span class="special">Only</span> a paragraph.</p>
> <p>This is another paragraph.</p>
> <p>This is another paragraph.</p>
> <p>This is another paragraph.</p>
> <p>This is another paragraph.</p>
> </div>
> </body>
> </html>
> \stopbuffer
>
> \startxmlsetups xml:initialize
> \xmlsetsetup{#1}{*}{-}
>
> \xmlsetsetup{#1}
> {html|body|div|p}
> {xml:flush}
>
> \xmlsetsetup{#1}
> {html/**/span[@class='special']}
> {xml:special}
> \stopxmlsetups
>
> \xmlregistersetup{xml:initialize}
>
> \startxmlsetups xml:flush
> \xmlflush{#1}
> \stopxmlsetups
>
> \startxmlsetups xml:special
> \bgroup\bfd\ssd\xmlflush{#1}\egroup
> \stopxmlsetups
>
> \starttext
> \xmlprocessbuffer{main}{demo}{}
> \stoptext
>
> How can I select only <span class="special">? I mean, how can I have
> "Only" and nothing more in the output PDF document?
>
> I thought that lpath "html/**/span[@class='special']" would work, but I
> don’t know what I’m missing.
>
> Many thanks for your help,
>
> Pablo
> --
> http://www.ousia.tk
> ___________________________________________________________________________________
> 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://context.aanhet.net
> archive : https://bitbucket.org/phg/context-mirror/commits/
> wiki : http://contextgarden.net
> ___________________________________________________________________________________
Taco Hoekwater
Elvenkind BV
___________________________________________________________________________________
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://context.aanhet.net
archive : https://bitbucket.org/phg/context-mirror/commits/
wiki : http://contextgarden.net
___________________________________________________________________________________
