[NTG-context] Re: self defined conversion in \date

[Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>]

Peter Münster schrieb am 30.05.2024 um 23:22:
> On Thu, May 30 2024, Wolfgang Schuster wrote:
> 
>> The \date mechanism can only use conversions which are defined on the Lua side
> 
> Ok. How please?
> 
> This does not work:
> 
> --8<---------------cut here---------------start------------->8---
> \startluacode
> -- from https://wiki.contextgarden.net/Command/defineconversion:
>    interfaces.implement {
>      name      = "FRdate",
>      public    = true,
>      arguments = "string",
>      actions   =
>          function(s)
>              local n = tonumber(s)
>              if n == 1 then
>                  context"1\\ier"
>              else
>                  context(s)
>              end
>          end
> }
> \stopluacode
> \def\ier{\highordinalstr{er}}
> \mainlanguage[fr]
> \defineconversion[frd][\FRdate]
> \setuplanguage[fr][date={day:frd,\ ,month,\ ,year}]
> \starttext
> Conversion: \convertnumber{frd}{1}, \convertnumber{frd}{2} (OK)\\
> Dates: \date[d=1], \date[d=2] (not OK)
> \stoptext
> --8<---------------cut here---------------end--------------->8---


\startluacode
function converters.peter(n)
     return "X-" .. converters.romannumerals(n)
end
\stopluacode

\starttext

\date[d=1][X-,day:romannumerals]

\date[d=1][day:peter]

\stoptext

Wolfgang
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage  : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive  : https://github.com/contextgarden/context
wiki     : https://wiki.contextgarden.net
___________________________________________________________________________________