Re: handling key=value sets with lua

[luigi scarso <luigi.scarso@gmail.com>]

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On Sun, Jan 9, 2011 at 11:13 PM, Philipp A. <flying-sheep@web.de> wrote:

> hi list,
>
> skip to the many %%% if you just want to help me ;)
>
> i need to make a macro which consists of ten optional arguments. it
> wouldn’t be too ugly to require to write the following to use it, since it
> outputs a 3×3 matrix with an adjacent tenth item, but tex can’t handle ten
> arguments afaik.
>
>
> syntax idea:
> empty:
> \bigcrafting%
> {}{}{}%
> {}{}{}{}%
> {}{}{}%
>
> partly filled:
> \bigcrafting%
> {}{}{}%
> {planks}{planks}{}{workbench}%
> {planks}{planks}{}%
>
> how it should look:
> [image: CraftingWorkbenchIO.png]
>
> ok, since using empty “required” arguments aren’t elegent, either, i wanted
> to get into key=value sets, but ran into the next problem:
>
> i wanted to instead define bigcrafting to work like this:
> \bigcrafting
>   [21=planks, 22=planks,
>    31=planks, 32=planks]
>   [workbench]
>
> but \getparameters<http://wiki.contextgarden.net/Commands_with_KeyVal_arguments>can’t handle numerical values.
>
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
> As Hans wrote it's possible, but I like the to use "row" for row, "col" for
column and "c" for cell
i.e
\def\BigCrafting[#1]%
{\getparameters[Ph][c11={},c12={},c13={},
c21={},c22={},c23={},c24={},
c31={},c32={},c33={},#1]
\bTABLE
\bTR\bTD\getvalue{Phc11}\eTD\bTD\getvalue{Phc12}\eTD\bTD\getvalue{Phc13}\eTD\eTR
\bTR\bTD\getvalue{Phc21}\eTD\bTD\getvalue{Phc22}\eTD\bTD\getvalue{Phc23}\eTD\bTD\getvalue{Phc24}\eTD\eTR
\bTR\bTD\getvalue{Phc31}\eTD\bTD\getvalue{Phc32}\eTD\bTD\getvalue{Phc33}\eTD\eTR
\eTABLE
}
\starttext
\BigCrafting[c11=FOO,c33=GOO,c22=BOO,c24=Zoo]
\BigCrafting[c11=FOO,c24=GOO]
\stoptext

You can also use a better namespace
\def\BigCrafting[#1]%
\unprotect
\getparameters[flying-sheep@web.de:][c11={},c12={},c13={},
c21={},c22={},c23={},c24={},
c31={},c32={},c33={},#1]
\getvalue{flying-sheep@web.de:c11}%%
\getvalue{flying-sheep@web.de:c12}%% and so on
\protect
}

-- 
luigi

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