[NTG-context] two questions on lpaths

Hans Hagen pragma at wxs.nl
Tue May 5 12:34:18 CEST 2015


On 5/4/2015 5:51 PM, Pablo Rodriguez wrote:
> Dear list,
>
> I have the following sample:
>
>      \startbuffer[demo]
>      <div>
>      <h1 id="myspecialid">First Title</h1>
>      <p>A paragraph</p>
>      <p></p>
>      <h1>Second Title</h1>
>      <p>A paragraph refered to <a href="#myspecialid">the previous
>      section</a></p>
>      <p></p>
>      </div>
>      \stopbuffer
>
>      \startxmlsetups xml:initialize
>           \xmlsetsetup{#1}{div|h1|p|a}{xml:*}
>      \stopxmlsetups
>
>      \xmlregistersetup{xml:initialize}
>
>      \startxmlsetups xml:div
>           \xmlflush{#1}
>      \stopxmlsetups
>
>      \startxmlsetups xml:h1
>           \section[\xmlatt{#1}{id}]{\xmlflush{#1}}
>      \stopxmlsetups
>
>      \startxmlsetups xml:p
>          \xmlflush{#1}\par
>      \stopxmlsetups
>
>      \startxmlsetups xml:a
>          \about[\xmlatt{#1}{href}]
>      \stopxmlsetups
>
>      \starttext
>           \xmlprocessbuffer{main}{demo}{}
>      \stoptext
>
> The only way to make the link work in XML is to remove the '#' char from
> \xmlatt{#1}{href}.
>
> How could I achieve it without modifying the XML source?
>
> Related to this issue, I also have the following lpath:
>
>      [contains(text()='#')]
>
> Well, how could I make that the text begins (and not only contains) with
> the regular expression "#[a-z]"?
>
> Many thanks for your help,

string.sub('\xmlatt{#1}{href}',2)
idstring('\xmlatt{#1}{href}')



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