On Thu, May 13, 2010 at 09:30, Taco Hoekwater <t...@elvenkind.com> wrote:
> Like many of the more complex commands, \processaction does not
> expand totally. If you are using mkiv, you could define \Shape
> like this:
>
> \def\Shape#1%
> {\directlua{
> local known = {square = 'unitsquare', circle = 'unitcircle' }
> tex.sprint(known[#1] or 'unitsquare')}}
Thanks Taco. That does the trick provided you enclose #1 with quotes:
\def\Shape#1%
{\directlua{
local known = {square = 'unitsquare', circle = 'unitcircle' }
tex.sprint(known['#1'] or 'unitsquare')}}
Another, maybe uglier but plain TeX, solution I've come up with is
defining auxiliary macros:
\def\ShapeSSSsquare{unitsquare}
\def\ShapeSSScircle{unitcircle}
\def\Shape#1{\csname ShapeSSS#1\endcsname}
But of course, this does not handle unknown options (though that could
be added).
I'll add this to the wiki.
Vianney
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