Damn, I knew I'd find the solution as soon as I sent this:
<xsl:for-each-group select="node()"
group-adjacent="boolean(self::para[@style='BULLET']|self::para[@style='INDENT']|self::para[@style='BULLINDENT']|para[@style='INDENT2'])">
should of course be
<xsl:for-each-group select="node()"
Group-adjacent="boolean(self::para[@style='BULLET']|self::para[@style='INDENT']|self::para[@style='BULLINDENT']|self::para[@style='INDENT2'])">
*facepalm*
Having said that, suggestions on a scalable solution would be welcome before I
come across the dreaded <para @style='BULLINDENT2'>/<para @style='INDENT3'>
combination. :)
-----Original Message-----
From: Emma Burrows [mailto:Emma(_dot_)Burrows(_at_)rpharms(_dot_)com]
Sent: 01 July 2011 16:40
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Flat bullets to nested ul
I am using XSLT 2.0 with Oxygen 12 and Saxon EE. I am currently working on a
document that features nested bulleted lists with sub-paragraphs, but expressed
as a flat list of paragraph elements. I am converting this to a DITA-compliant
structure. I have had some success getting the first level working, and the
bulleted paragraphs on the second level, but I'm just lacking the extra bit to
get sub-paragraphs included in the second level <li>.
But let me illustrate the problem better.
Here is my input:
<wrapper>
<para style="PLAIN">Normal para not involved in the bullets at all.</para>
<para style="BULLET">bullet level 1</para>
<para style="INDENT">para involved in level 1</para>
<para style="BULLINDENT">bullet level 2</para>
<para style="INDENT2">mixed content</para>
<para style="INDENT2">mixed content</para>
<para style="PLAIN">The list is finished</para>
</wrapper>
Here is the desired output:
<p>Normal para not involved in the bullets at all.</para>
<ul>
<li>bullet level 1
<p>para involved in level 1</para>
<ul>
<li>bullet level 2
<p>mixed content</p>
<p>mixed content</p>
</li>
</ul>
</li>
</ul>
<p>The list is finished</para>
But currently, I get:
<p>Normal para not involved in the bullets at all.</para>
<ul>
<li>bullet level 1
<p>para involved in level 1</para>
<ul>
<li>bullet level 2</li>
</ul>
</li>
</ul>
<p>mixed content</p>
<p>mixed content</p>
<p>The list is finished</para>
So I'm nearly there but not quite. The relevant parts of my template are as
follows:
<xsl:template match="wrapper">
<xsl:for-each-group select="node()"
group-adjacent="boolean(self::para[@style='BULLET']|self::para[@style='INDENT']|self::para[@style='BULLINDENT']|para[@style='INDENT2'])">
<xsl:choose>
<xsl:when test="current-grouping-key()">
<xsl:call-template name="makeList">
<xsl:with-param name="paralist" select="current-group()"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:template>
<xsl:template name="makeList">
<xsl:param name="paralist"/>
<xsl:variable name="firstpara"
select="($paralist/self::para[@style='BULLET'])[1]"/>
<xsl:apply-templates select="$paralist[not(. >> $firstpara)] except
$firstpara"/>
<xsl:if test="$firstpara">
<ul>
<xsl:for-each-group select="$paralist[not($firstpara >> .)]"
group-starting-with="para[not($firstpara/@style ne @style)]">
<li>
<xsl:apply-templates select="current-group()[1]"/>
<xsl:if test="current-group()[2]">
<xsl:call-template name="makeSubList">
<xsl:with-param name="paralist"
select="current-group()[position()!=1]"/>
</xsl:call-template>
</xsl:if>
</li>
</xsl:for-each-group>
</ul>
</xsl:if>
</xsl:template>
<xsl:template name="makeSubList">
<xsl:param name="paralist"/>
<xsl:variable name="firstpara"
select="($paralist/self::para[@style='BULLINDENT'])[1]"/>
<xsl:apply-templates select="$paralist[not(. >> $firstpara)] except
$firstpara"/>
<xsl:if test="$firstpara">
<ul>
<xsl:for-each-group select="$paralist[not($firstpara >> .)]"
group-starting-with="para[not($firstpara/@style ne @style)]">
<li>
<xsl:apply-templates select="current-group()[1]"/>
<xsl:if test="current-group()[2]">
<xsl:call-template name="makeSubList">
<xsl:with-param name="paralist"
select="current-group()[position()!=1]"/>
</xsl:call-template>
</xsl:if>
</li>
</xsl:for-each-group>
</ul>
</xsl:if>
</xsl:template>
It may be that this is completely the wrong way to go about it, so I'm open to
suggestions. I *think* they only have two levels of nesting but I noticed an
INDENT3 in their DTD so I am afraid I may need something more scalable.
Thanks!
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