Re: [xsl] Sorting and Grouping Alphabetically: Two Levels

Subject: Re: [xsl] Sorting and Grouping Alphabetically: Two Levels
From: David Carlisle <davidc@xxxxxxxxx>
Date: Tue, 8 Jan 2008 17:03:18 GMT
> So sorry. x:node-set() is not available.
blugh which processor are you using?

> I realize that the display I represented requires the
> extra mark-up and I can easily put that in later

the structure of the xslt for text is (or can be) very different.
Consider just one step of your problem adding a blank line between
letters (assuming sorting is done.

If you are just generating text, you don't need to group anything, you
just need to put out a blank line every now and then

<xsl:for-each seelct="*">
<xsl:value-of select="."/>
<xsl:if tests="not(substring(.,1,1)=substring(following-sibling::*[1],1,1))">&#10;</xsl:if>

If however you need to produce markup, say putting all the rows that
start with the same letter in a div then you need to group all the
elements that start with the same letter together
so in xslt 2

<xsl:for-each-group group-by="substring(.,1,1)">
<xsl:copy-of select="current-group()"/>

or, as we used to write it in xslt 1,

<xsl:key name="l1" match="*" use="substring(.,1,1)"/>

<xsl:copy-of select="key('l1',substring(.,1,1))"/>


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