* Need help processing XML in luacode
@ 2020-03-10 19:13 Axel Kielhorn
2020-03-10 19:53 ` mf
0 siblings, 1 reply; 3+ messages in thread
From: Axel Kielhorn @ 2020-03-10 19:13 UTC (permalink / raw)
To: ntg-context
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Hi,
after one year I’m back at a project processing XML with ConTeXt.
Here is what I want to do:
I have an XML file that I want to format with ConTeXt.
I got this working last year.
Now I want to take some information from a second file.
My idea is to read the second file, store the data into a table and
write auxiliary functions to access the data and insert them into the TeX output.
When I process the included files with
context --environment=prozess-style-ecm.tex prozess.xml
I get
[ctxlua]:19: table index is nil
12
13 doc = xml.load(doclistfile, settings)
14
15 for v in xml.collected(doc,"/doclist/psdoc/") do
16 -- print ((xml.filter(v,"//docnr/stripped()")))
17 docnr = (cropstring(xml.filter(v,"/docnr/text()")))
18 docname = (cropstring(xml.filter(v,"/docname/text()")))
19 -- es kann mehrere DOCAN geben!
20 docan = (cropstring(xml.filter(v,"/docan/text()")))
21 docverantwortlich = (cropstring(xml.filter(v,"/docverantwortlich/text()")))
22 >> docstruktur[docnr]={}
The xml.collected works, but the xml.filter returns nil.
What did I miss?
mtx-context | ConTeXt Process Management 1.03
mtx-context |
mtx-context | main context file: /Volumes/Macintosh HD/usr/local/texlive/context-109/tex/texmf-context/tex/context/base/mkiv/context.mkiv
mtx-context | current version: 2020.01.30 14:13
mtx-context | main context file: /Volumes/Macintosh HD/usr/local/texlive/context-109/tex/texmf-context/tex/context/base/mkiv/context.mkxl
mtx-context | current version: 2020.01.30 14:13
The same code works when I use it in a Lua file that I call with
mtxrun --script panalyse.lua
Greetings Axel
[-- Attachment #2: doclist.xml --]
[-- Type: application/xml, Size: 2416 bytes --]
[-- Attachment #3: prozess.xml --]
[-- Type: application/xml, Size: 7304 bytes --]
[-- Attachment #4: prozess-style-ecm.tex --]
[-- Type: application/octet-stream, Size: 2340 bytes --]
% !TEX TS-program = ConTeXt (LuaTeX 1.0.9)
% Copyright 2019 Axel Kielhorn
% Lizenz: CC-BY-SA 4.0 Unported http://creativecommons.org/licenses/by-sa/4.0/deed.de
% Usage:
% context --environment=prozess-style-ecm.tex prozess.xml
\startluacode
settings = {}
docstruktur = {}
doclistfile = "doclist.xml"
cropstring = function(string)
return utilities.strings.striplines(string, "prune and collapse")
end
doc = xml.load(doclistfile, settings)
for v in xml.collected(doc,"/doclist/psdoc/") do
print (v)
print (xml.filter(v,"/docnr/text()"))
docnr = (xml.filter(v,"/docnr/text()"))
print (docnr)
docname = (cropstring(xml.filter(v,"/docname/text()")))
-- es kann mehrere DOCAN geben!
docan = (cropstring(xml.filter(v,"/docan/text()")))
docverantwortlich = (cropstring(xml.filter(v,"/docverantwortlich/text()")))
docstruktur[docnr]={}
-- docstruktur[docnr]["docname"] = docname
-- docstruktur[docnr]["docan"] = docan
-- docstruktur[docnr]["docverantwortlich"] = docverantwortlich
end
\stopluacode
\language[de]
\setbreakpoints[compound]
\setuphyphenation[method=expanded]
\setuppapersize [A4,landscape][A4,landscape]
\setuplayout [width=middle, backspace=2in, cutspace=1in, leftmargin=1.5in,
height=middle, topspace=0.75in, bottomspace=0.75in]
\setuppagenumbering[location={footer,right}]
\setupheader[text][start]
\setupfooter[text][start]
%\setupheadertexts[][\date]
\setupheadertexts[title][\date]
\setuphead[title]
[placehead=empty,
before=,
after=,
page=,]
\startxmlsetups xml:prozessb
\xmlsetsetup{#1}{*}{-}
\xmlsetsetup{#1}{prozess|pschritt|psindoc|docan|psoutdoc|aschritt|eschritt}{xml:*}
\stopxmlsetups
\xmlregistersetup{xml:prozessb}
\startxmlsetups xml:prozess
\title{\xmltext{#1}{/pnr} \xmltext{#1}{/pname}}
% \setupheadertexts[\bf\xmltext{#1}{/pnr} \xmltext{#1}{/pname}][\date]
{\bTABLE
\setupTABLE[frame=off]
\setupTABLE[offset=1mm]
\setupTABLE[c][1][align=right, width=14cm]
\setupTABLE[c][2][align=left, width=6cm]
\setupTABLE[c][3][align=right, width=4cm]
\bTR \bTD \bfb\xmltext{#1}{/pnr} \eTD \bTD Version: \eTD \bTD \bf\xmltext{#1}{/pversion}\eTD \eTR
\bTR \bTD \bfb\xmltext{#1}{/pname} \eTD \bTD Verantwortlich: \eTD \bTD \bf\xmltext{#1}{/pverantwortlich}\eTD\eTR
\eTABLE}
\blank
\xmlflush{#1}
\stopxmlsetups
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* Re: Need help processing XML in luacode
2020-03-10 19:13 Need help processing XML in luacode Axel Kielhorn
@ 2020-03-10 19:53 ` mf
2020-03-11 8:33 ` Axel Kielhorn
0 siblings, 1 reply; 3+ messages in thread
From: mf @ 2020-03-10 19:53 UTC (permalink / raw)
To: ntg-context
In your tex file, try this:
\startluacode
settings = {}
docstruktur = {}
doclistfile = "doclist.xml"
local striplines = utilities.strings.striplines
local xmltext = xml.text
cropstring = function(s)
-- return striplines(s, "prune and collapse")
return striplines(s)
end
doc = xml.load(doclistfile, settings)
for v in xml.collected(doc,"/doclist/psdoc/") do
-- print (v)
-- print (xml.text(v,"/docnr"))
local docnr = cropstring(xml.text(v,"/docnr"))
print (docnr)
local docname = cropstring(xmltext(v,"/docname"))
-- es kann mehrere DOCAN geben!
local docan = (cropstring(xmltext(v,"/docan")))
local docverantwortlich = (cropstring(xmltext(v,"/docverantwortlich")))
docstruktur[docnr]={
docname = docname,
docan = docan,
docverantwortlich = docverantwortlich
}
-- docstruktur[docnr]["docname"] = docname
-- docstruktur[docnr]["docan"] = docan
-- docstruktur[docnr]["docverantwortlich"] = docverantwortlich
end
\stopluacode
hoping it helps,
Massi
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* Re: Need help processing XML in luacode
2020-03-10 19:53 ` mf
@ 2020-03-11 8:33 ` Axel Kielhorn
0 siblings, 0 replies; 3+ messages in thread
From: Axel Kielhorn @ 2020-03-11 8:33 UTC (permalink / raw)
To: ntg-context
Hello Massi,
thanks for you help.
> Am 10.03.2020 um 20:53 schrieb mf <massifr@fastwebnet.it>:
>
> In your tex file, try this:
>
> \startluacode
> settings = {}
> docstruktur = {}
> doclistfile = "doclist.xml"
>
> local striplines = utilities.strings.striplines
>
> cropstring = function(s)
> -- return striplines(s, "prune and collapse")
> return striplines(s)
> end
Well, with this definition I can actually inline that.
> local xmltext = xml.text
>
> doc = xml.load(doclistfile, settings)
>
> for v in xml.collected(doc,"/doclist/psdoc/") do
> -- print (v)
> -- print (xml.text(v,"/docnr"))
> local docnr = cropstring(xml.text(v,"/docnr"))
> print (docnr)
> local docname = cropstring(xmltext(v,"/docname"))
> -- es kann mehrere DOCAN geben!
> local docan = (cropstring(xmltext(v,"/docan")))
> local docverantwortlich = (cropstring(xmltext(v,"/docverantwortlich")))
> docstruktur[docnr]={
> docname = docname,
> docan = docan,
> docverantwortlich = docverantwortlich
> }
Great, that is even shorter.
> end
> \stopluacode
I’m cleaning up my backend code to make it more Lua like.
Greetings
Axel
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