At 2013-05-13 20:29 -0700, Dimitre Novatchev wrote:
So here is the complete solution to this problem, using XSLT 3.0:
Thank you, Dimitre, for taking the time to polish up the data ... I
didn't have the time.
I implemented the untested code from yesterday and found that Ihe's
use of the descendent:: axis was insufficient to detect differences
between two siblings. That was easily corrected in the XSLT 2.0
solution below that produces the identical serialized result as yours.
I hope this helps readers of the archive.
. . . . . . . . . Ken
T:\ftemp>type ihe.xml
<A>
<!-- start group -->
<B>
<C/>
<D/>
</B>
<B>
<C/>
<D/>
</B>
<!-- end group -->
<B/> *** singleton group
<C/> *** singleton group
<!-- start group -->
<D>
<E/>
<E>
<F/>
</E>
</D>
<D>
<E/>
<E>
<F/>
</E>
</D>
<!-- end group -->
<!-- start group -->
<B>
<C/>
<D/>
</B>
<B>
<C/>
<D/>
</B>
<!-- end group -->
</A>
T:\ftemp>call xslt2 ihe.xml ihe.xsl
<group>
<B>
<C/>
<D/>
</B>
<B>
<C/>
<D/>
</B>
</group>
<group>
<B/>
</group>
<group>
<C/>
</group>
<group>
<D>
<E/>
<E>
<F/>
</E>
</D>
<D>
<E/>
<E>
<F/>
</E>
</D>
</group>
<group>
<B>
<C/>
<D/>
</B>
<B>
<C/>
<D/>
</B>
</group>
T:\ftemp>type ihe.xsl
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output omit-xml-declaration="yes" indent="yes"/>
<xsl:template match="/*">
<xsl:for-each-group select="*"
group-adjacent="string-join(descendant-or-self::*/
concat(local-name(),'$',count(ancestor::*)),' ')">
<group>
<xsl:sequence select="current-group()"/>
</group>
</xsl:for-each-group>
</xsl:template>
</xsl:stylesheet>
T:\ftemp>rem Done!
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