Re: [NTG-context] xml: spurious empty spaces
On 10/19/2016 01:47 PM, Hans Hagen wrote:
\startxmlsetups xml:a
\ignorespaces
\xmlflush{#1}
\removeunwantedspaces
\stopxmlsetups
\startxmlsetups xml:b
\ignorespaces
\xmlfunction{#1}{b}
\removeunwantedspaces
\stopxmlsetups
Ah OK, I had tried applying these within the lua code, but this didn't
work. Thanks a lot Hans, that's cleaner!
Thomas
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Re: [NTG-context] xml: spurious empty spaces
On 10/19/2016 12:07 PM, Thomas A. Schmitz wrote:
Hi all,
below is a slightly silly example that demonstrates a problem I’m having: I
want to process (in Lua) the xml element “b” only when it has an attribute
“display” set. This works, but elements without the attribute leave spurious
spaces in the pdf output. The workaround I’m currently using is
if xml.attribute(e, "./", "display", "") ~= "yes" then
context.unskip()
else
…
but that seems like a kludge. Is this expected behavior, or should this be
fixed?
\startxmlsetups xml:a
\ignorespaces
\xmlflush{#1}
\removeunwantedspaces
\stopxmlsetups
\startxmlsetups xml:b
\ignorespaces
\xmlfunction{#1}{b}
\removeunwantedspaces
\stopxmlsetups
Thanks
Thomas
\startbuffer[test]
test
test
test
test
test
test
test
\stopbuffer
\startxmlsetups xml:testsetups
\xmlsetsetup{\xmldocument}{a|b}{xml:*}
\stopxmlsetups
\xmlregistersetup{xml:testsetups}
\startluacode
function xml.functions.b(e)
xml.strip(e, "/", nolines, anywhere)
if xml.attribute(e, "./", "display", "") == "yes" then
context.space()
context("/")
context.space()
lxml.flush(e)
end
end
\stopluacode
\startxmlsetups xml:a
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:b
\xmlfunction{#1}{b}
\stopxmlsetups
\starttext
\xmlprocessbuffer{main}{test}{}
\stoptext
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[NTG-context] xml: spurious empty spaces
Hi all,
below is a slightly silly example that demonstrates a problem I’m having: I
want to process (in Lua) the xml element “b” only when it has an attribute
“display” set. This works, but elements without the attribute leave spurious
spaces in the pdf output. The workaround I’m currently using is
if xml.attribute(e, "./", "display", "") ~= "yes" then
context.unskip()
else
…
but that seems like a kludge. Is this expected behavior, or should this be
fixed?
Thanks
Thomas
\startbuffer[test]
test
test
test
test
test
test
test
\stopbuffer
\startxmlsetups xml:testsetups
\xmlsetsetup{\xmldocument}{a|b}{xml:*}
\stopxmlsetups
\xmlregistersetup{xml:testsetups}
\startluacode
function xml.functions.b(e)
xml.strip(e, "/", nolines, anywhere)
if xml.attribute(e, "./", "display", "") == "yes" then
context.space()
context("/")
context.space()
lxml.flush(e)
end
end
\stopluacode
\startxmlsetups xml:a
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:b
\xmlfunction{#1}{b}
\stopxmlsetups
\starttext
\xmlprocessbuffer{main}{test}{}
\stoptext
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