Hi,
I need to process URLs in XML documents differently depending on the target.
Thanks to Hans and Thomas I can now deal with the attributes.
Now I need to prefix certain kind of targets with a certain URL (a web viewer
for IIIF images in this particular case). The prefix contains a #, which, as a
special character seems to cause an error. Adding a double hash seems to work,
but those ## will end up in the link URL. How can I properly escape a single #?
I've already tried using \Ux{23}, but that won't work either.
Best,
Denis
\setupinteraction[state=start]
\startxmlsetups xml:test
\xmlsetsetup{#1}{*}{-}
\xmlsetsetup{#1}{doc|element}{xml:*}
\stopxmlsetups
\xmlregisterdocumentsetup{test}{xml:test}
\startxmlsetups xml:doc
\xmlflush{#1}
\stopxmlsetups
\startluacode
function xml.finalizers.tex.url(e,a)
local u = #e > 0 and e[1].at[a]
local s = u and lpeg.match(lpeg.patterns.urlunescaper,u)
context(s)
end
\stopluacode
\startxmlsetups xml:element
\xmldoifelse{#1}{.[@href and contains(@href,'https://iiif.ub.unibe.ch')]}
{\goto{\xmlflush{#1}}[url(https://uv-v4.netlify.app/##?manifest=\xmlatt{#1}{href})]}
% gives me two hashes in the Link
%{\goto{\xmlflush{#1}}[url(https://uv-v4.netlify.app/#?manifest=\xmlatt{#1}{xlink:href})]}
\par % does not work
{\goto{\xmlflush{#1}}[url(\xmlatt{#1}{href})]}
\stopxmlsetups
\startbuffer[test]
<?xml version="1.0" encoding="UTF-8"?>
<doc>
<element
href="https://iiif.ub.unibe.ch/presentation/v2.1/berner-inkunabeln/manifest/Inc%20I%20104%20fol%20a1r";>IIIF-Link</element>
<element href="https://wiki.contextgarden.net/";>Other Link</element>
</doc>
\stopbuffer
\starttext
\xmlprocessbuffer{test}{test}{}
\stoptext
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