I've had a good look at http://www.dpawson.co.uk/xsl/index.html, and
google. Google is hard, because I can't think of good keywords; I may
have missed something in the list archive for that reason too.
I'm trying to write a series of XSLT files to transform an
XHTML+MathML document into new documents that can be shown on 'big
browsers', PDA browsers, WML phones, etc.
I'm planning to manage the MathML thin browsers by converting a block
like this:
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mi>S</mi>
</math>
in my source document, to this in my output document:
<img src="http://i.haus/i/el/mathml_to_png.py?math=%3Cmath++++
xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FM
athML%22%3E%3Cmi%3ES%3C%2Fmi%3E%3C%2Fmath%3E">
(obviously without the line breaks).
Then my python script converts that XML fragment into a PNG, or WBMP,
etc. I've got the server-side part sorted, but am having very great
difficulty trying to convince my xslt engine (xmlspy, xsltproc) to
output what I'd like.
My current attempt looks like:
<xsl:template match="math:math">
<img>
<xsl:attribute name="src">
http://i.haus/cgi-bin/mathmltopng?m=<xsl:value-of select="."/>
</xsl:attribute>
</img>
</xsl:template>
But of course this doesn't work, I just get
[...] src="http://i.haus/cgi-bin/mathmltopng?m=Cost=_n=1_(-1)nn" [...]
as it concatenates together the text nodes, rather than reproducing
the node as a string.
Is what I want to do possible? Should I pre or post-process the file
with a parser of my own, instead of trying to do this with an XSLT
engine? That doesn't seem quite as nice.
Thank you,
Nick
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