From: Gerben Wierda <gerben.wierda@rna.nl>
To: Hans Hagen <j.hagen@xs4all.nl>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Reverse traversing of xml.collected()?
Date: Fri, 1 May 2020 14:06:05 +0200 [thread overview]
Message-ID: <1F7C2FBF-C790-4FF9-86AD-01E8A1D0625D@rna.nl> (raw)
In-Reply-To: <c15698b7-e6f1-5555-59d2-f2f7a8200390@xs4all.nl>
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> On 1 May 2020, at 13:30, Hans Hagen <j.hagen@xs4all.nl> wrote:
>
> On 5/1/2020 11:31 AM, Gerben Wierda wrote:
>> I’d like to travese the contents of an xml.collected() in a reverse order. I have
>> for connectionFromXML in xml.collected(viewFromXML,"/connection") do
>> parseXMLConnection( rootFromXML, connectionFromXML, viewFromXML, rootFromOverrideXML)
>> end
>> I tried:
>> local relationTable = xml.collected(viewFromXML,"/connection")
>> for i=#relationTable, 1, -1 do
>> connectionFromXML = relationTable[i]
>> parseXMLConnection( rootFromXML, connectionFromXML, viewFromXML, rootFromOverrideXML)
>> end
>> But apparently my lua knowledge is lacking (severely, I might say) as this ends with “attempt to get length of a function value“
>
> it's an iterator
>
>> What is the correct way to do it?
> xml.all
Tried to find documentation, but failed.
Tried this:
local relationTable = xml.all(viewFromXML,"/connection")
for i=#relationTable, 1, -1 do
connectionFromXML = relationTable[i]
parseXMLConnection( rootFromXML, connectionFromXML, viewFromXML, rootFromOverrideXML)
end
but it fails as well.
G
>
> -----------------------------------------------------------------
> Hans Hagen | PRAGMA ADE
> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------
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next prev parent reply other threads:[~2020-05-01 12:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-01 9:31 Gerben Wierda
2020-05-01 11:30 ` Hans Hagen
2020-05-01 12:06 ` Gerben Wierda [this message]
2020-11-10 14:06 ` Jano Kula
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