So, start with a stylesheet function to generate the paths
(/a/b/x) using the ancestor-or-self axis:
<xsl:function name="gn:path">
<xsl:param name="node" as="node()"/>
<xsl:for-each select="$node">
<xsl:for-each select="ancestor-or-self::*"><xsl:value-of
select="concat('/', name())"/></xsl:for-each>
</xsl:for-each>
</xsl:function>
Actually that function generates a sequence of text nodes.
My hope was to use it like this in the template that matches "/":
<xsl:for-each-group select="descendant-or-self::*"
group-by="gn:path(.)">
Path: <xsl:value-of select="gn:path(.)"/> - Count:
<xsl:value-of select="count(current-group())"/> </xsl:for-each-group>
Unfortunately, stylesheet functions only return item()*, not
string,
Stylesheet functions return whatever you choose them to return. The simplest
way to return the string you want is
<xsl:function name="gn:path" as="xs:string">
<xsl:param name="node" as="node()"/>
<xsl:sequence select="concat('/', string-join(ancestor-or-self::*/name(),
'/'))"/>
</xsl:function>
Michael Kay
http://www.saxonica.com/
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