Try
<xsl:template match="book">
<book>
<xsl:for-each-group select="*"
group-starting-with="self::a[not(child::text())] |
self::a[not(preceding-sibling::*[1][self::a])] |
*[not(self::a)]">
<xsl:choose>
<xsl:when test="self::a[not(child::text())]">
<a1><xsl:copy-of select="remove(current-group(),1)"/></a1>
</xsl:when>
<xsl:when test="self::a">
<a1><xsl:copy-of select="current-group()"/></a1>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="current-group()"/>
Not tested.
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: Fredrik Geers [mailto:fredrik(_at_)ppzeist(_dot_)nl]
Sent: 20 December 2006 14:48
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Positional grouping with exceptions
I have the following xml:
<book>
<header>title</header>
<a>text</a>
<a>text</a>
<otherelement>title</otherelement>
<a>text</a>
<a>text</a>
<a/>
<a>text</a>
</book>
I want to group each block of consecutive <a> tags inside an
<al> tag, like this:
<book>
<header>title</header>
<al>
<a>text</a>
<a>text</a>
</al>
<otherelement>title</otherelement>
<al>
<a>text</a>
<a>text</a>
</al>
<al>
<a>text</a>
</al>
</book>
And like you can see in the example, I want to start a new
<al> block when an empty <a> tag is found. That's the hard
part. Well, the other part also isn't that easy...
I can't use the technique described on
http://www.dpawson.co.uk/xsl/sect2/N4486.html#d5280e424,
because the <a> nodes are not always preceded by an element
that marks a new group.
What would be the best technique to solve this? I'm using
Saxon 8.7.1 and XSLT 2.0.
--
Fredrik Geers
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