<section-head> should come only in the first group and should not come in
the second group. When I use position() in outer group I am getting the
correct value of the position but when I use position() in nested/inner
group the value is always 1. How to achieve the correct position value in
the nested/inner group.
Bind a variable to the value of position in the outer loop and refer to the
variable in the inner loop.
<xsl:variable name="pos" select="position()"/>
Regards,
Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay
-----Original Message-----
From: Ganesh Babu N [mailto:nbabuganesh(_at_)gmail(_dot_)com]
Sent: 15 July 2009 07:10
To: XSL
Subject: [xsl] position behavior in nested grouping
Hai,
I am having the input like below:
<articles>
<row>
<col>627</col>
<col>Abstracts of the Series of Fascia Congress -
Part 4</col>
<col>270</col>
</row>
<row>
<col>661</col>
<col>Abstracts of the Series of Fascia Congress -
Part 4</col>
<col>270</col>
</row>
<row>
<col>676</col>
<col>Abstracts of the Series of Fascia Congress -
Part 4</col>
<col>271</col>
</row>
<row>
<col>719</col>
<col>Abstracts of the Series of Fascia Congress -
Part 4</col>
<col>272</col>
</row>
<row>
<col>706</col>
<col>Prevention & Rehabilitation|Editorial</col>
<col>276</col>
</row>
<row>
<col>690</col>
<col>Prevention & Rehabilitation|Editorial</col>
<col>283</col>
</row>
<row>
<col>721</col>
<col>Prevention & Rehabilitation|Learning
Methodology</col>
<col>291</col>
</row>
</articles>
My expected output is as follows:
<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>
<para>
<page>271</page>
</para>
<para>
<page>271</page>
</para>
<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>
My code is as follows:
<xsl:template match="articles">
<sections>
<section-title>Contents</section-title>
<xsl:for-each-group
select="row" group-by="col[2]">
<xsl:variable name="head"
select="substring-before(current-grouping-key(),'|')"/>
<section>
<xsl:choose>
<xsl:when test="contains(current-grouping-key(),'|')">
<xsl:for-each-group select="current-group()"
group-by="substring-after(current-grouping-key(),'|')">
<xsl:if
test="position()=1">
<section-head>
<xsl:value-of select="$head"/>
</section-head>
</xsl:if>
<section-subhead>
<xsl:value-of select="current-grouping-key()"/>
</section-subhead>
<xsl:apply-templates select="current-group()"/>
</xsl:for-each-group>
</xsl:when>
<xsl:otherwise>
<section-head>
<xsl:value-of select="current-grouping-key()"/>
</section-head>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</section>
</xsl:for-each-group>
</sections>
</xsl:template>
The output of this code is as follows:
<sections>
<section>
<section-head>Abstracts of the
Series of Fascia Congress - Part 4</section-head>
<para>
<page>270</page>
</para>
<para>
<page>270</page>
</para>
<para>
<page>271</page>
</para>
<para>
<page>272</page>
</para>
</section>
<section>
<section-head>Prevention &
Rehabilitation</section-head>
<section-subhead>Editorial</section-subhead>
<para>
<page>276</page>
</para>
<para>
<page>283</page>
</para>
</section>
<section>
<section-head>Prevention &
Rehabilitation</section-head>
<section-subhead>Learning
Methodology</section-subhead>
<para>
<page>291</page>
</para>
</section>
</sections>
Problem:
<section-head> should come only in the first group and should
not come in the second group. When I use position() in outer
group I am getting the correct value of the position but when
I use position() in nested/inner group the value is always 1.
How to achieve the correct position value in the nested/inner group.
Regards,
Ganesh
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