Hey Ryan,
Kind of an interesting situation that has several possible solutions.
But from your comments it seems that getting a good grasp of how to
properly use recursion to build nested output is something you are in
seek of. So I gave you an example that uses as much recursion as
possible to help you in your quest :)
I was going to try and comment it a bit but I actually just realized the
time and I need to head out for a bit so I can attend a buddy of mines
bachelor party. But I don?t plan on drinking too much so when I return
Ill look to see if you had any questions. Otherwise, enjoy! I hope you
find this helpful in better understanding how you can use recursion in
multiple ways in XSLT.
Best of luck!
<M:D/>
Heres the XSLT:
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="1.0">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/">
<xsl:element name="sect1">
<xsl:apply-templates select="sect1/para[not(starts-with(.,'* '))]"
mode="normal"/>
</xsl:element>
</xsl:template>
<xsl:template match="para" mode="normal"><!-- no pun intended. I like
X-Files but not so much I name my attribute values to match the shows
focus ;) -->
<xsl:variable name="followingParagraph"
select="following-sibling::para[not(starts-with(., '*'))][1]"/>
<xsl:copy-of select="."/>
<xsl:if test="following-sibling::para[1][starts-with(., '* ')]">
<xsl:element name="itemizedlist">
<xsl:apply-templates
select="following-sibling::para[starts-with(.,'* ') and
not(preceding-sibling::para = $followingParagraph)]" mode="buildList"/>
</xsl:element>
</xsl:if>
</xsl:template>
<xsl:template match="para" mode="buildList">
<xsl:element name="listitem">
<xsl:element name="para">
<xsl:apply-templates select="text() | *"/>
</xsl:element>
</xsl:element>
</xsl:template>
<xsl:template match="text()[starts-with(., '* ')]">
<xsl:value-of select="substring-after(., '* ')"/>
</xsl:template>
<xsl:template match="text() | *">
<xsl:copy-of select="."/>
</xsl:template>
</xsl:stylesheet>
Heres the transformed result of the XML you gave as an example:
<?xml version="1.0" encoding="UTF-8"?>
<sect1>
<para>First Paragraph</para>
<itemizedlist>
<listitem>
<para>First list item</para>
</listitem>
<listitem>
<para>Second list item</para>
</listitem>
<listitem>
<para>Third list item <emphasis>emphasized text</emphasis>
</para>
</listitem>
</itemizedlist>
<para>Second Paragraph</para>
<para>Third paragraph</para>
<itemizedlist>
<listitem>
<para>First list item #2</para>
</listitem>
<listitem>
<para>Second list item #2</para>
</listitem>
</itemizedlist>
<para>Another paragraph</para>
</sect1>
Enjoy! I'm off to get a little loopy 8$ but will return before to long
so don?t hesitate to ask questions... Worst case Ill get back to you in
the morning.
-----Original Message-----
From: Ryan Graham [mailto:Ryan(_dot_)Graham(_at_)apollogrp(_dot_)edu]
Sent: Thursday, June 10, 2004 7:35 PM
To: 'xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com'
Subject: [xsl] Building a hierarchy based on siblings
Hi all,
I am having some trouble getting the correct template matches written to
build a hierarchy.
I have similar to the following input XML:
<sect1>
<para>First Paragraph</para>
<para>* First list item</para>
<para>* Second list item</para>
<para>* Third list item <emphasis>emphasized
text</emphasis></para>
<para>Second Paragraph</para>
<para>Third paragraph</para>
<!-- Start new list-->
<para>* First list item #2</para>
<para>* Second list item #2</para>
<para>Another paragraph</para>
</sect1>
I would like to put all para nodes that begin with "* " into a list
structure and cut off the first two characters when processed, to get
the
following output:
<para>First Paragraph</para>
<itemizedlist>
<listitem>
<para>First list item</para>
</listitem>
<listitem>
<para>Second list item</para>
</listitem>
<listitem>
<para>Third list item <emphasis>emphasized
text</emphasis></para>
<listitem>
</itemizedlist>
<para>Second Paragraph</para>
<para>Third paragraph</para>
<itemizedlist>
<listitem>
<para>First list item #2</para>
</listitem>
<listitem>
<para>Second list item #2</para>
</listitem>
</itemizedlist>
<para>Another paragraph</para>
I was using this to get the <listitems> built:
<xsl:template match="para">
<xsl:choose>
<xsl:when test="substring(node()[1], 0, 3) = '* '>
<itemizedlist>
<listitem>
<xsl:value-of select="substring(node()[1], 3)"/>
<xsl:apply-templates select="node()[position() > 1]"/>
</listitem>
</itemizedlist>
</xsl:when>
<xsl:otherwise>
<para>
<xsl:apply-templates/>
</para>
</xsl:otherwise>
</xsl:template>
But with this match, every <para> that starts with "* " becomes its own
itemizedlist with one listitem. Is there an efficient way to do this
using
a recursive template, without creating duplicate output?
I appreciate any and all suggestions!
Thanks,
Ryan
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