Gerrit's solution of using normalize-unicode should work. Another
solution is to do the grouping using a collation that ignores accents.
Unfortunately, collation URIs are processor-dependent - but there are
various ways you can parameterize them if you want portability. In
Saxon, you would use
<xsl:for-each-group
collation="http://saxon.sf.net/collation?ignore-modifiers=yes"; ...
More details of Saxon collation URIs are here:
http://www.saxonica.com/documentation/extensibility/collation.xml
Michael Kay
Saxonica
On 21/04/2012 01:03, Graydon wrote:
So I've got an XML index file, which is too large for some downstream
processing to be entirely pleased with. The requirement is to split the
file up, grouping index entries (index-0 elements; the index element is
the overall container element) by the first character of their child
heading element.
Using XSLT 2.0, this is pretty easy:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet exclude-result-prefixes="xs xd" version="2.0"
xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl";
xmlns:xs="http://www.w3.org/2001/XMLSchema";
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:template match="/wkna-shared-cms/index">
<xsl:for-each-group group-by="substring(heading,1,1)" select="index-0">
<xsl:sort select="./heading"/>
<xsl:result-document
href="eitaindex+Topical_Index_{current-grouping-key()}.xml">
<wkna-shared-cms>
<index area="{/wkna-shared-cms/index/@area}"
xml:lang="{/wkna-shared-cms/index/@xml:lang}">
<num cite="Topical Index {current-grouping-key()}">
<xsl:sequence select="current-grouping-key()"/>
</num>
<xsl:copy-of select="/wkna-shared-cms/index/index-metadata"/>
<xsl:copy-of select="current-group()"/>
</index>
</wkna-shared-cms>
</xsl:result-document>
</xsl:for-each-group>
</xsl:template>
</xsl:stylesheet>
The problem is that some of the initial characters of the headings have
accents, and it's desired that the accented characters and the
unaccented characters group together, so that E and É and Ê, etc. all
group together in a group with a current-grouping-key() of "E".
I can imagine doing this in a painful way with conditional statements
and an exhaustive list of characters, but I'm hoping someone can tell me
there's a better way.
Thanks!
-- Graydon
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