[NTG-context] XML xmldoif struggle!

Geert Verhaag verhaaggchm at ziggo.nl
Wed May 1 21:28:57 CEST 2019


Hoi Pablo,

Thanks for your prompt reply!

The output Euro set! is printed always, it doesn't matter whether I put 
EURO or DOLLAR first?!

Also I can't find any clue on the suggested page 49 of xml-mkiv.pdf 
manual, sorry!

By the way, in my document it still doesn't seem to work!

I'm afraid all this is far too complex for me! The documentation simply 
isn't meant for beginners like me, sorry!

Regards,
Gerard


On 01-05-19 13:20, Pablo Rodriguez wrote:
> On 4/30/19 9:58 PM, Geert Verhaag wrote:
>> [...]
>> \startxmlsetups xml:invoice:invoice
>>     \xmlfirst{#1}{currency} \par
>>     \xmldoif{\xmlfirst{#1}{currency}}{contains(text(),'EURO')} {
>>        Euro set! \par
>>     }
>> [...]
>> But the xmldoif command doesn't cause the Euro set be printed?!
>>
>> What's wrong here? The manual xml-mkiv.pdf doesn't give me any hint on
>> how to make this work!
> Hi Geert,
>
> the syntax reads \xmldoif{#1}{lpath}{action}. So your conditional may read:
>
>      \xmldoif{#1}{currency[first() and contains(text(),'EURO')]}
>          {Euro set!}
>
> In a complete sample (with dollar set first [it won’t show the result
> unless you set EURO first]):
>
>    \startbuffer[demo]
>    <doc>
>      <invoice number="194-002" client="RPMB-0012">
>        <currency>DOLLAR</currency>
>        <currency>EURO</currency>
>      </invoice>
>    </doc>
>    \stopbuffer
>
>    \startxmlsetups xml:initialize
>       \xmlsetsetup{#1}{doc}{xml:*}
>    \stopxmlsetups
>
>    \xmlregistersetup{xml:initialize}
>
>    \startxmlsetups xml:doc
>      \xmlfirst{#1}{currency} \par
>      \xmldoif{#1}{currency[first() and contains(text(),'EURO')]}
>          {Euro set!}
>    \stopxmlsetups
>
>    \setuppapersize[A8]
>
>    \starttext
>       \xmlprocessbuffer{main}{demo}{}
>    \stoptext
>
> It is all in xml-mkiv.pdf
> (http://www.pragma-ade.com/general/manuals/xml-mkiv.pdf#page=49). I have
> just discovered it 😉.
>
> Just in case it helps,
>
> Pablo
> --
> http://www.ousia.tk
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