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[xsl] Another grouping question
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Subject: [xsl] Another grouping question From: "James Cummings" <cummings.james@xxxxxxxxx> Date: Mon, 25 Feb 2008 13:53:37 +0000 |
Ok, I've finally had time to play with xsl:for-each-group again and
had another question.
Throughout my collection() of documents there are some tei:seg
elements with a @type of 'dMeeting' and a @subtype of 'C'.
I can get a nice list of these that looks like:
<item>25 -- met with mr foo </item>
<item>20 -- met with ms foo </item>
<item>17 -- met with miss blort </item>
By doing something like:
===========
<xsl:variable name="docs" select="collection('../../working/xml/files.xml')"/>
<xsl:variable name="dMeetingC"
select="$docs//tei:text//tei:seg[@type="dMeeting"][@subtype='C']"/>
<xsl:variable name="norm-dMeetingC"
select="$dMeetingC/normalize-space(lower-case(.))"/>
<div>
<head>Frequency List</head>
<list type="unordered">
<xsl:for-each-group select="$norm-dMeetingC" group-by=".">
<xsl:sort select="count(current-group())" data-type="number"
order="descending"/>
<xsl:sort select="current-grouping-key()"/>
<xsl:variable name="count" select="count(current-group())"/>
<xsl:variable name="date">
<!-- what I want to get here is the
./ancestor::tei:p[@type='dDay']//tei:date[1]/substring-before(@when,
'-') from the current tei:seg to form a list of dates on
which the meeting took place. all of these will be
inside a tei:p of this @type. I eventually what to turn each
of these into a link to that paragraph. -->
</xsl:variable>
<item>
<xsl:value-of select="concat($count, ' -- ',
current-grouping-key(), ' -- ', $date)"/>
</item>
</xsl:for-each-group>
</list>
</div>
===========
Is it because I've normalize-space()'d that I can't then traverse up
from the node to get the ancestor::tei:p? What I want to end up with
instead is something like:
<item>25 -- met with mr foo (1804-01-12, 1804-04-15, 1805-03-17,
1805-12-25, etc. etc.) </item>
<item>20 -- met with ms foo (1804-01-13, 1804-04-16, 1805-03-18,
1805-12-26, etc. etc.)</item>
<item>17 -- met with miss blort (1804-01-10, 1804-04-12, 1805-03-14,
1805-12-23, etc. etc.)</item>
(though I'll eventually hide them with css, with an optional display,
and turn them into links to the text.)
How in the middle of an xsl:for-each-group do I traverse up the
hierarchy, yet maintain the comparison in a normalize-space()'d
lower-case() kind of manner? Suggestions for what should go in the
date variable?
Many many thanks,
-James
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