Am Mittwoch, 13. Dezember 2023, 21:57:35 CET schrieb Bruce Horrocks:
>
> > On 13 Dec 2023, at 17:13, Gerion Entrup wrote:
> >
> > Is there a simple way to define a new command/environment and handle
> > the keyword arguments in Lua? For example defining a frontend command
> > like this:
>
> I don't have the answer to your other questions but I do have an example for
> this one.
> It's not mine - I'm fairly sure it came from this list but I can't find who
> that was any more.
>
> \startluacode
> userdata = userdata or { }
>
> function userdata.mycommand(keywords, keyvals, str)
> keyword_options = utilities.parsers.settings_to_array(keywords)
> named_values = utilities.parsers.settings_to_hash(keyvals)
>
> context('First option = ' .. keyword_options[1])
> context('\\par')
> context('Color chosen = ' .. named_values['color'])
> context('\\par')
> context('Curly braces = ' .. str)
> context('\\par')
> end
> \stopluacode
>
> \def\mycommand[#1][#2]#3{\ctxlua{
> userdata.mycommand('#1', '#2', [==[#3]==])}}
>
> \starttext
> \mycommand[top, inmargin, now][color=green, roof=gabled]{Anne of Green
> Gables?}
> \stoptext
Thank you. That helps a lot already!
Gerion
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