Re: How to hack the lua files

["Lance Larsen" <lance.c.larsen@gmail.com>]

luigi,

When I started exploring how to map equation references (eq:name) to
equation numbers (4.2), I noticed that the 'tuc' file included the equation
reference (eq:name), but I was not able to identify anywhere where it
indicates the actual equation label specified in the document. Below is an
example of the tuc output. 'eq:DVOL_RVI_17' is equation (4.28) in the
document:

{
  ["metadata"]=142,
  ["numberdata"]=237,
  ["prefixdata"]=11,
  ["references"]={
   ["block"]="bodypart",
   ["internal"]=122,
   ["realpage"]=47,
   ["reference"]="eq:DVOL_RVI_17",
   ["section"]=79,
  },
 }

There is nowhere in the tuc file that contains 4 and 28 near each other. I
checked this for other equations as well and concluded that the tuc file
does not contain the actual equation numbers that are used.

If I am missing something or you have any other suggestions that might help
me to extract this info, I would sure appreciate the help.

-Lance

P.S. Thanks for the tip on using 'context --make' to rebuild the files. I
figured this out by guesswork before I got your response, but I have
appreciated how helpful many of you have been on this list.

------
On Fri, Jun 7, 2013 at 3:00 PM, Lance Larsen <lance.c.larsen at
gmail.com>wrote:

> If I modify a core lua file how do I remake the format file? Is this
> something that is done from mtxrun.exe? I would certainly prefer to use a
> hook rather than modifying a core file, but how do I identify the hooks
> that
> are available? Is there a list of hooks that are available, or a standard
> way that hooks are called from the context code so that I can look for an
> appropriate hook? Where do I place my hook scripts? Is there a guide that
> is
> available that might get me started?
>
> What I trying to do is map equation references to the equation number
> generated by context. So for example, if I have an equation:
>
> \placeformula \startformula
> \NC F = m a \NC  \NR[eq:newtonslaw]
> \stopformula
>

\usemodule[newmath]

\setupformulas[way=bytext,prefix=no]
\setupsubformulas[conversion=romannumerals]

\starttext
\placenamedformula[eq:TEST]{Der einfache Test}
\startformula
c^2 = a^2 + b^2.
\stopformula

\stoptext

and look into the tuc file (it's a lua file)

-- 
luigi

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