Re: Making a template, defining a macro

["Wolfgang Schuster" <schuster.wolfgang@googlemail.com>]

On Thu, Jul 31, 2008 at 1:18 AM, Demián Gutierrez <dmi@minotauro.com.ve> wrote:
> Hi,
>
> I have to prepare a template to typeset a document that will have a
> lot of tables of similar kinds repeated across the document. I want to
> put that tables in some kind of templates, so I can use those
> templates over and over. So the idea is to hide to the authors all the
> format details behind the template allowing them to focus on the data
> that has to be filled in those tables (which is the important thing).
>
> So, I would like to define some macros, that allows me to do something like:
>
> \starttableX
>   \startSomeField
>   Some Field Value...
>   \stopSomeField
>
>   \startOtherField
>   Other Field Value...
>   \stopOtherField
> \stoptableX
>
> And the result, should be a table like this:
>
> | Some Field Label:  | Some Field Value...  |
> | Other Field Label: | Other Field Value... |
>
> That way I define a template for each table type I'll have in the document.
>
> I'm not having trouble with the tables, but with the macro definition,
> this is my approximation of what I want (which does not work):
>
> \startsetups crudmain
>   \long\def\startguiname #1 \stopguiname{\setvariables[crudmain][guiname=#1]}
>   \long\def\startclassname #1
> \stopclassname{\setvariables[crudmain][classname=#1]}
>
> GUI Name: \getvariable{crudmain}{guiname}
> Class Name: \getvariable{crudmain}{classname}
> \stopsetups
>
> \definestartstop[crudmain][commands=\setups{crudmain}]
>
> \startcrudmain
>   \startguiname
>   Some name here...
>   \stopguiname
>   \startclassname
>   Other name here...
>   \stopclassname
> \stopcrudmain
>
> At this point I'm getting this error:
>
> ! Use of \startguiname doesn't match its definition.
>
> I want the \long\def\startguiname inside the \startsetups /
> \stopsetups to be sure that it will only be called inside the
> \startcrudmain / \stopcrudmain (Cause other tables of different types
> may have fields with the same name). But even considering the previous
> point, if I move the \long\def\startguiname outside the \startsetups /
> \stopsetups definition it does not works, because the
> \getvariable{crudmain}{guiname} just returns blank.
>
> So is it possible to do what I want or something similar? What would
> be a good way to do it? Any advice on the code I've already written?
> This is really getting me crazy, cause context is not like any other
> programming language I'm used to use ;-)

\def\startcrudmain
  {\bgroup
   \def\startguiname##1\stopguiname
     {\setvalue{crudmain:guiname}{##1}}%
   \def\startclassname##1\stopclassname
     {\setvalue{crudmain:classname}{##1}}}

\def\stopcrudmain
  {\bTABLE[frame=off]%
   \bTR
     \bTD GUI Name: \eTD
     \bTD \getvalue{crudmain:guiname} \eTD
   \eTR
   \bTR
     \bTD Class Name: \eTD
     \bTD \getvalue{crudmain:classname} \eTD
   \eTR
   \eTABLE
   \egroup}

\starttext

\startcrudmain
  \startguiname
  Some name here...
  \stopguiname
  \startclassname
  Other name here...
  \stopclassname
\stopcrudmain

\stoptext

Wolfgang
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