[NTG-context] Index items (additional question)

[Hans Hagen]

On 4/19/2015 9:47 AM, Robert Blackstone wrote:
>
> On 16 Apr 2015, at 15:38 , Hans Hagen <pragma at wxs.nl> gave me the following:
>
>> \startluacode
>>
>>      document.indexentries = {
>>          ["rule"]          = [[Rule(s)]],
>>          ["ruleimperfect"] = [[+ \quote{imperfect to perfect, from}]],
>>          ["galilei"]       = [[Galilei, Vincenzo]],
>>      }
>>
>>      function document.getindexentry(n)
>>          context("\\index[%s]{%s}",n,document.indexentries[n] or ("<" ..
>> n .. ">"))
>>      end
>>
>> \stopluacode
>>
>> \unexpanded\def\InEn[#1]%
>>    {\ctxlua{document.getindexentry("#1")}}
>>
>> \starttext
>> That this rule
>> \InEn[rule]
>> \InEn[ruleimperfect] was not applied by everybody is for example shown
>> in {\em Fronimo}%
>> \InEn[galilei]
>>
>> etc etc
>
> Hi Hans,
> sorry to bother you again on this topic.
>
> This code works beautifully in this way, with only a few index entries  at the top of the file, before \starttext.
> But how can I deal with the thousand or more index items in my project, which I have collected in four separate dedicated files with indexentries, like the three shown in the example-code.
>
> I have really no idea  what else should be in these files,  what sort of name they should have, in particular extension,  and how and where I can input them.
> I use TeXShop as my texteditor but that is probably not relevant here.
>
> Can you give me some guidance, please?

\startluacode

     document.indexentries = {
         ["rule"]          = [[Rule(s)]],
         ["ruleimperfect"] = [[+ \quote{imperfect to perfect, from}]],
         ["galilei"]       = [[Galilei, Vincenzo]],
     }

     function document.loadindexentries(filename)
         local fullname = resolvers.findfile(filename)
         if fullname ~= "" then
             local data = io.loaddata(fullname)
             for a, b  in string.gmatch(data,"%s*(%S+)%s+([^\n\r]+)") do
                 document.indexentries[a] = b
             end
         end
     end

     function document.getindexentry(n)
         local ie = document.indexentries[n]
         if not ie then
             logs.report("index","missing entry %a",n)
         end
         context("\\index[%s]{%s}",n,ie or ("<" .. n .. ">"))
     end

\stopluacode

\unexpanded\def\LoadInEn[#1]{\ctxlua{document.loadindexentries("#1")}}
\unexpanded\def\InEn    [#1]{\ctxlua{document.getindexentry("#1")}}

\LoadInEn[whatever.txt]

\starttext
That this rule
\InEn[rule]
\InEn[ruleimperfect] was not applied by everybody is for example shown 
in {\em Fronimo}%
\InEn[galilei]

\InEn[unknown]

etc etc

\InEn[GalileiFronimo]
\InEn[Cadence]
\InEn[CadenceP]
\InEn[PlagalCad]
\index[Fronimo]{{\em Fronimo} (Galilei)} (1584), Vincenzo Galileo's 
treatise on lute playing and the intabulation%
\index[Intabulation]{intabulation}  of vocal music.
\page

whatever.txt:

GalileiFronimo +{\em Fronimo}
Cadence        cadence(s)
CadenceP       + plagal
PlagalCad      plagal cadence


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