Subject: [xsl] Flat bullets to nested ul From: Emma Burrows <Emma.Burrows@xxxxxxxxxxx> Date: Fri, 1 Jul 2011 16:40:07 +0100 |
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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