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From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: xmlfilter in lua
Date: Thu, 01 Aug 2013 01:41:21 +0200	[thread overview]
Message-ID: <51F9A0A1.1090700@wxs.nl> (raw)
In-Reply-To: <51F97926.7050703@uni-bonn.de>

On 7/31/2013 10:52 PM, Thomas A. Schmitz wrote:
> Gentlemen and noble ladies,
>
> may I rerun this question? It was posted on Sunday and may have escaped
> those of you who celebrated this day in some manner.
>
> Thanks for your attention!
>
> T
>
> On 07/28/2013 02:07 PM, Thomas A. Schmitz wrote:
>> Hi,
>>
>> hope this is comprehensible without a full example: I want to do some
>> operations on my xml, and that's easier to do in Lua. However, I cannot
>> find how to filter my results and pass them on to a command. In TeX, I
>> would do this:
>>
>> \startxmlsetups xml:a
>>    \xmlfilter{#1}{/b/command(xml:command:b)}
>> \stopxmlsetups
>>
>> \startxmlsetups xml:command:b
>>    \xmlconcat{#1}{/}\par
>> \stopxmlsetups
>>
>> How would I do the same thing in Lua? Here's what I tried:
>>
>> function xml.functions.a(t)
>>    local b = lxml.filter(lxml.id(t), "/b")
>>    process(b)
>> end
>>
>> function process(t)
>>    xml.cprint(t)
>> end
>>
>> but that doesn't work yet, I get no results printed. So my question:
>> what would be the right syntax in Lua? (And bonus points for: what is
>> the equivalent of \xmlconcat ?)

- real test file needed
- you use process before you define it

another approach is:

for c in xml.collected(lxml.id(t),"/b") do
	...
end

(see x-mathml, x-cals for examples)

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      reply	other threads:[~2013-07-31 23:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-28 10:59 Thomas A. Schmitz
2013-07-28 12:07 ` Thomas A. Schmitz
2013-07-31 20:52   ` Thomas A. Schmitz
2013-07-31 23:41     ` Hans Hagen [this message]

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