From: Philipp Gesang <gesang@stud.uni-heidelberg.de>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Frozen callback.
Date: Tue, 2 Oct 2012 14:13:20 +0200 [thread overview]
Message-ID: <20121002121320.GA7678@phlegethon.router_intern> (raw)
In-Reply-To: <CADVh14U+z+FXVvH=csJSnJnjb2MjdisDv8GyU-n+RDfwh8p6nA@mail.gmail.com>
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···<date: 2012-10-02, Tuesday>···<from: Andre Caldas>···
> > function document.MyCharacterMess(str,filename)
>
> What is this "str"?
The raw file content as a Lua string. You can examine the
arguments you get like so:
·······································································
\startluacode
document.arg_test = function (s, ...)
table.print({...}, "file_content")
return s
end
local textfileactions = resolvers.openers.helpers.textfileactions
utilities.sequencers.appendaction(textfileactions,"system","document.arg_test")
\stopluacode
\starttext
\input ward
\input knuth
\stoptext
·······································································
> > if file.nameonly(filename) == "ward" then
> > str = table.concat(string.totable(str,"."), " + ")
>
> What is this doing?
Split the input at every byte and re-concatenate using "+" as
delimiter. (It’s a bit confusing as string.totable() takes only
one argument ;-) )
> > [...]
> > utilities.sequencers.appendaction(textfileactions,
> > "system","document.MyCharacterMess")
>
> Why is "document.MyCharacterMess" a string?
The sequencers use loadstring() internally (util-seq.lua), so you
need to supply the namespace as a string. This happens all over
the place with action/callbacks.
Regards
Philipp
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next prev parent reply other threads:[~2012-10-02 12:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-01 19:11 Andre Caldas
2012-10-01 20:02 ` Philipp Gesang
2012-10-02 0:30 ` Andre Caldas
2012-10-02 8:05 ` Hans Hagen
2012-10-02 11:31 ` Andre Caldas
2012-10-02 12:02 ` Sietse Brouwer
2012-10-02 12:13 ` Philipp Gesang [this message]
2012-10-02 12:37 ` Hans Hagen
2012-10-10 19:40 ` Andre Caldas
2012-10-02 11:41 ` Andre Caldas
2012-10-02 11:54 ` Wolfgang Schuster
2012-10-02 12:27 ` Hans Hagen
2012-10-01 20:49 ` Hans Hagen
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