From: "Thomas A. Schmitz" <thomas.schmitz@uni-bonn.de>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Cc: Hans Hagen <pragma@wxs.nl>
Subject: Re: xml cross-references in lua?
Date: Wed, 12 Sep 2012 08:32:53 +0200 [thread overview]
Message-ID: <50502C95.3030606@uni-bonn.de> (raw)
In-Reply-To: <504F806B.4010108@wxs.nl>
On 09/11/2012 08:18 PM, Hans Hagen wrote:
>
> If the number of bib items is not that large hashing does not save
> much. (In x-xfdf.mkiv you can see another example).
>
> \starttext
>
> \startbuffer[demo] <document> <bibitem xml:id="hagen2011">
> <author>Hans Hagen</author> <title>The Meaning of Life Is 42</title>
> <journal>The Rhetoric of Mathematics</journal> <date>2011</date>
> </bibitem> <bibitem xml:id="hagen2012"> <author>Hans Hagen</author>
> <title>The New Meaning is Now 43</title> <journal>High Energy
> Metaphysics</journal> <date>2012</date> </bibitem> <text> <p>This has
> been successfully proven in papers by <bib ref="#hagen2011"/> and
> <bib ref="#hagen2012"/>.</p> </text> </document> \stopbuffer
>
> \startxmlsetups xml:define \xmlsetsetup{#1}{*}{xml:*} \stopxmlsetups
>
> \startxmlsetups xml:document \xmlall{#1}{/text} \stopxmlsetups
> \startxmlsetups xml:text \xmlflush{#1} \stopxmlsetups \startxmlsetups
> xml:p \xmlflush{#1} \par \stopxmlsetups
>
> \startxmlsetups xml:bib \BibAuthor{#1}{\xmlatt{#1}{ref}}
> \stopxmlsetups
>
> \startxmlsetups xml:author [[\xmlflush{#1}]] \stopxmlsetups
>
> \def\BibAuthor#1#2{[1:\xmlfirst{whatever}{/document/bibitem[@xml:id==string.sub('#2',2)]/author}]}
>
>
>
> \xmlregistersetup{xml:define}
>
> \xmlprocessbuffer{whatever}{demo}{}
>
> \startluacode userdata = userdata or { } userdata.bibitems = { }
> \stopluacode
>
> \startxmlsetups xml:document \xmlflush{#1} \stopxmlsetups
>
> \startxmlsetups xml:bibitem
> \ctxlua{userdata.bibitems["\letterhash\xmlatt{#1}{xml:id}"] = "#1"}
> \stopxmlsetups
>
> \def\BibAuthor#1#2{[2:\xmlfirst{\cldcontext{userdata.bibitems['#2']}}{/author}]}
>
>
>
> \xmlprocessbuffer{whatever}{demo}{}
>
> \stoptext
>
> (I ran into a recently introduced side effect of an optimization so
> I'll generate you a new beta. Older versions should work anyway as no
> special trickery is used.)
>
> Hans
>
Ah, wonderful, Hans, I can play with this! Thanks a lot for the swift
reply and for the help, this will get me going!
All best
Thomas
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prev parent reply other threads:[~2012-09-12 6:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-11 17:22 Thomas A. Schmitz
2012-09-11 18:18 ` Hans Hagen
2012-09-12 6:32 ` Thomas A. Schmitz [this message]
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