Surely it's much easier to use positional grouping for this?
<xsl:template match="p">
<xsl:for-each-group select="node()" group-adjacent="node-name(.)">
<xsl:choose>
<xsl:when test="self::i">
<i><xsl:apply-templates select="current-group()"/></i>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</
</
</
Regards,
Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay
-----Original Message-----
From: David Sewell [mailto:dsewell(_at_)virginia(_dot_)edu]
Sent: 30 July 2009 02:57
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Combining consecutive siblings
I'm trying to post-process the HTML produced via Adobe
Acrobat's PDF export. (Actually, XHTML via Tidy from
Acrobat's HTML 4.01.) Acrobat does something very funky with
end-of-line hyphens that it deems "soft", namely wrapping the
preceding and following text nodes inside a styled <span> and
removing the hyphen. To simplify the situation, if the input text was
The volumes of the Docu-
mentary History of the Rati-
fication of the Consitution are heavy.
the output would be something like
<p>The volumes of the <i>Docu</i><i>mentary History of the
Rati</i><i>cation of the Constitution</i> are heavy.</p>
Now there are various reasons why it would be nice to
transform these constructs so that all consecutive <i>
elements are wrapped in a single element. I've come up with
the following XSLT 2.0 templates that rely on the '>>'
operator to group consecutive sibling <i>'s for processing.
It works on some sample data, but it is a risky transform
because if the logic is not perfect, there could be dropped
<i>'s. Can anyone see a potential case where this would fail?
<xsl:template match="i">
<xsl:choose>
<xsl:when test="preceding-sibling::node()[1][self::i]">
<!-- omit, the next when-clause handles me -->
</xsl:when>
<xsl:when test="following-sibling::node()[1][self::i]">
<xsl:variable name="stopNode"
select="following-sibling::node()[not(self::i)][1]"/>
<xsl:copy>
<xsl:apply-templates/>
<xsl:apply-templates
select="following-sibling::i[not(.
>> $stopNode)]"
mode="copy"/>
</xsl:copy>
</xsl:when>
<xsl:otherwise>
<xsl:copy><xsl:apply-templates/></xsl:copy>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="i" mode="copy">
<xsl:apply-templates/>
</xsl:template>
DS
--
David Sewell, Editorial and Technical Manager ROTUNDA, The
University of Virginia Press PO Box 801079, Charlottesville,
VA 22904-4318 USA
Courier: 310 Old Ivy Way, Suite 302, Charlottesville VA 22903
Email: dsewell(_at_)virginia(_dot_)edu Tel: +1 434 924 9973
Web: http://rotunda.upress.virginia.edu/
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