[NTG-context] Fwd: Re: Fwd: (again) issue with lpath and conditional

22 Mar 2018


      -------- Forwarded Message --------
Subject: Re: Fwd: [NTG-context] (again) issue with lpath and conditional
Date: Thu, 22 Mar 2018 17:56:54 +0100
From: Hans Hagen 
To: luigi scarso 

On 3/22/2018 9:40 AM, luigi scarso wrote:
...
---------- Forwarded message ----------
From: Pablo Rodriguez 
Date: Wed, Mar 21, 2018 at 8:29 PM
Subject: [NTG-context] (again) issue with lpath and conditional
To: mailing list for ConTeXt users 
Dear list,
I have the following sample:
\startbuffer[demo]
   <doc>
     <pre class="tex typeset fullwidth">
       <code>
         a
       </code>
     </pre>
     <pre class="tex typeset">
       <code>
         b
       </code>
     </pre>
   </doc>
   \stopbuffer
\startxmlsetups xml:initialize
      \xmlsetsetup{#1}{doc}{xml:*}
      \xmlsetsetup{\xmldocument}
         {pre[contains(@class,'typeset')]/code}
         {xml:pre:code}
   \stopxmlsetups
\xmlregistersetup{xml:initialize}
\startxmlsetups xml:doc
      \xmlflush{#1}
   \stopxmlsetups
\startxmlsetups xml:pre:code
     \xmlinfo{#1}
     \xmlpath{#1}
     \xmldoifelse{#1}{../pre[contains(@class,'fullwidth')]}
     %~ \xmldoifelse{#1}{{pre[class*="fullwidth"]}}
       {\startpar Full–width.\stoppar}
       {\startpar Another width.\stoppar}
   \stopxmlsetups
\starttext
      \xmlprocessbuffer{main}{demo}{}
   \stoptext
It is beyond my kmowledge why the lpath
"{../pre[contains(@class,'fullwidth')]}" doesn’t return true, when
\xmlinfo shows "[code]" and \xmlpath is "doc/pre/code" (indices aren’t
relevant here).
Neither does the css selector work.
What am I missing in the lpath and the css selector?
\xmldoifelse {#1} {..[contains(@class,'fullwidth')]}
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