From: Hans Hagen <pragma@wxs.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: xml syntax for \externalfigure
Date: Sat, 04 Jun 2011 00:24:34 +0200 [thread overview]
Message-ID: <4DE95F22.1080109@wxs.nl> (raw)
In-Reply-To: <87tyc6muke.fsf@micropit.couberia.bzh>
On 4-6-2011 12:14, Peter Münster wrote:
> On Fri, Jun 03 2011, Thomas A. Schmitz wrote:
>
>> Ah, expdoifelse is for "expanded doifelse," right? Any examples for such a lua
>> helper? Sounds good, but I still haven't been able to understand how to mix
>> xml and lua code.
>
> \startluacode
> function my_externalfigure(file, t)
> local args_present
> for k, v in pairs(t) do
> if v == "" then
> t[k] = nil
> else
> args_present = true
> end
> end
> context.externalfigure({file}, args_present and t)
> end
> \stopluacode
>
> \startxmlsetups xml:externalfigure
> \ctxlua{my_externalfigure("\xmlatt{#1}{resource}",
> {width = "\xmlatt{#1}{width}", height = "\xmlatt{#1}{height}"})}
> \stopxmlsetups
>
> My first idea was "\expanded{\externalfigure[...][\doif...]}" but it
> does not work...
you can consider passing #1 and using lxml.att at the lua end or go even
further and pop in your own finalizer
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next prev parent reply other threads:[~2011-06-03 22:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-03 19:23 Thomas A. Schmitz
2011-06-03 19:57 ` Aditya Mahajan
2011-06-03 20:19 ` Thomas A. Schmitz
2011-06-03 20:28 ` Thomas A. Schmitz
2011-06-03 20:50 ` Hans Hagen
2011-06-03 20:56 ` Thomas A. Schmitz
2011-06-03 22:14 ` Peter Münster
2011-06-03 22:24 ` Hans Hagen [this message]
2011-06-04 20:35 ` Thomas A. Schmitz
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