From: <achim@jander.de>
To: <ntg-context@ntg.nl>
Subject: Access current element in xmlsetsetup via xml.expressions
Date: Tue, 1 Oct 2019 21:24:06 +0200 [thread overview]
Message-ID: <014501d5788d$caf67910$60e36b30$@jander.de> (raw)
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Hello,
I'm trying to build an xmlsetsetup with an own lua function. XML in MKIV
says on pg. 33:
You can also use normal Lua functions as long as you make sure that you pass
the right arguments.
There are a few predefined variables available inside such functions.
list table the list of matches
l number the current index in the list of matches
ll element the current element that matched
order number the position of the root of the path
But I can't figure out how to get access to list, ll etc.
My MWE (only for testing the access, is always true):
\startbuffer[text]
<para>Dies ist <inline style="sup">ein</inline> xxx<inline
style="sub">zwei</inline> noch ein <inline style="sup">sup</inline>
Test<inline style="sub">sub</inline></para>
\stopbuffer
%\enabletrackers[xml.parse,xml.path]
\startluacode
function xml.expressions.nextnodeatt(e)
inspect(e)
inspect(ll)
return('sub')
end
\stopluacode
\startxmlsetups xml:textsetups
\xmlsetsetup{#1}{*}{+}
\xmlsetsetup{#1}{para}{xml:*}
\xmlsetsetup{#1}{inline[@style='sup'][xml.expressions.nextnodeatt(ll)=='sub'
]}{xml:sub}
\stopxmlsetups
\xmlregistersetup{xml:textsetups}
\startxmlsetups xml:para
\xmlflush{#1}\par
\stopxmlsetups
\startxmlsetups xml:sub
\color[red]{\xmlflush{#1}}
\stopxmlsetups
\starttext
\xmlprocessbuffer{main}{text}{}
\stoptext
Thanks in advance,
Achim
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next reply other threads:[~2019-10-01 19:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-01 19:24 achim [this message]
2019-10-02 8:18 ` Taco Hoekwater
2019-10-02 10:32 ` mf
2019-10-02 16:52 ` Hans Hagen
2019-10-02 17:48 ` achim
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