Ganesh Babu N wrote:
all those should be clubbed into single section by taking group-adjcent.
The output should be
<sections>
<section-title>Contents</section-title>
<section>
<section-head>Abstracts of the Series
of Fascia Congress - Part
4</section-head>
<para>
<page>270</page>
</para>
</section>
<section>
<section-head/>
<para>
<page>271</page>
</para>
<para>
<page>271</page>
</para>
</section>
<section>
<section-head>Abstracts of the Series
of Fascia Congress - Part
4</section-head>
<para>
<page>272</page>
</para>
</section>
<section>
<section-head>Prevention &
Rehabilitation</section-head>
<section-subhead>Editorial</section-subhead>
<para>
<page>273</page>
</para>
<para>
<page>277</page>
</para>
</section>
<section>
<section-subhead>Learning
Methodology</section-subhead>
<para>
<page>284</page>
</para>
</section>
</sections>
If you know that you want group-adjacent then it is only a slight change
from the earlier stylesheet:
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="2.0">
<xsl:output indent="yes"/>
<xsl:template match="articles">
<sections>
<section-title>Contents</section-title>
<xsl:for-each-group select="row" group-adjacent="if (col[2] = '')
then '' else tokenize(col[2], '\|')[1]">
<xsl:choose>
<xsl:when test="contains(col[2], '|')">
<xsl:variable name="outer-key"
select="current-grouping-key()"/>
<xsl:for-each-group select="current-group()"
group-by="tokenize(col[2], '\|')[2]">
<section>
<xsl:if test="position() eq 1">
<section-head><xsl:value-of
select="$outer-key"/></section-head>
</xsl:if>
<section-subhead><xsl:value-of
select="current-grouping-key()"/></section-subhead>
<xsl:apply-templates select="current-group()"/>
</section>
</xsl:for-each-group>
</xsl:when>
<xsl:otherwise>
<section>
<section-head><xsl:value-of
select="current-grouping-key()"/></section-head>
<xsl:apply-templates select="current-group()"/>
</section>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</sections>
</xsl:template>
<xsl:template match="row">
<para>
<page><xsl:value-of select="col[3]"/></page>
</para>
</xsl:template>
</xsl:stylesheet>
The problem why the previous solution skips the row elements with an
empty col[2] child element is that the tokenize function returns an
empty sequence for the empty string and that does not result in a group.
But group-adjacent="if (col[2] = '') then '' else tokenize(col[2],
'\|')[1]" avoids that problem and simply form a group for those elements
with an empty col[2].
--
Martin Honnen
http://msmvps.com/blogs/martin_honnen/
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