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Nested lists

Subject: Nested lists
From: "Rick Quatro" <rick@xxxxxxxxxxxxxx>
Date: Thu, 31 Oct 2013 16:22:34 -0400
 Nested lists
Hi,

I have this for my input XML:

<body>
  <p class="listintro">ListItem_Bullets:</p>
  <p class="listitembullets">&#8226; Item 1</p>
  <p class="listitembullets">&#8226; Item 2</p>
  <p class="listitembullets">&#8226; Item 3</p>
  <p class="normal">Paragraph within a list.</p>
  <p class="listitembullets">&#8226; Item 4</p>
  <p class="listitembullets">&#8226; Item 5</p>
  <p class="listitemindented">&#8226; Item 1 indented</p>
  <p class="listitemindented">&#8226; Item 2 indented</p>
  <p class="listitembullets">&#8226; Item 6</p>
  <h2>Indented list starts here:</h2>
  <p class="listitemindented">&#8226; Item 1 indented</p>
  <p class="listitemindented">&#8226; Item 2 indented</p>
  <p class="listitemindented">&#8226; Item 3 indented</p>
  <p class="normal">Paragraph within a list.</p>
  <p class="listitemindented">&#8226; Item 4 indented</p>
  <p class="listitemindented">&#8226; Item 5 indented</p>
  <p class="listitemindented">&#8226; Item 6 indented</p>
</body>

I want to get this:

<body>
  <p class="listintro">ListItem_Bullets:</p>
  <ul>
     <li>Item 1</li>
     <li>Item 2</li>
     <li>Item 3</li>
  </ul>
  <p class="normal">Paragraph within a list.</p>
  <ul>
     <li>Item 4</li>
     <li>Item 5</li>
     <ul>
       <li>Item 1 indented</li>
       <li>Item 2 indented</li>
     </ul>
     <li>Item 6</li>
  </ul>
  <h2>Indented list starts here:</h2>
  <ul>
     <li>. Item 1 indented</li>
     <li>. Item 2 indented</li>
     <li>. Item 3 indented</li>
  </ul>
  <p class="normal">Paragraph within a list.</p>
  <ul>
     <li>. Item 4 indented</li>
     <li>. Item 5 indented</li>
     <li>. Item 6 indented</li>
  </ul>
</body>

I am actually getting this:

<body>
  <p class="listintro">ListItem_Bullets:</p>
  <ul>
     <li>Item 1</li>
     <li>Item 2</li>
     <li>Item 3</li>
  </ul>
  <p class="normal">Paragraph within a list.</p>
  <ul>
     <li>Item 4</li>
     <li>Item 5</li>
  </ul>
  <h2>Indented list starts here:</h2>
  <ul>
     <li>. Item 1 indented</li>
     <li>. Item 2 indented</li>
     <li>. Item 3 indented</li>
  </ul>
  <p class="normal">Paragraph within a list.</p>
  <ul>
     <li>. Item 4 indented</li>
     <li>. Item 5 indented</li>
     <li>. Item 6 indented</li>
  </ul>
</body>

The problem is that I have some different list items represented by the
various class attributes. I tried to get cute with keys. It works for all of
the lists except the "listitemindented" lists. Here is my stylesheet. Any
help will be appreciated. (Forget about the bullets; I can solve that
separately.)

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:xhtml="http://www.w3.org/1999/xhtml"
    xmlns="http://www.w3.org/1999/xhtml"
    exclude-result-prefixes="xhtml xsl"
    version="1.0">
     
    <xsl:key name="orderedlists" match="xhtml:p[@class='listitem1' or
@class='listitem2']"
use="generate-id((..|preceding-sibling::*[not(self::xhtml:p[@class='listitem
1' or @class='listitem2'])][1])[last()])"/>
    <xsl:key name="unorderedlists-plain"
match="xhtml:p[@class='listitemunordered']"
use="generate-id((..|preceding-sibling::*[not(self::xhtml:p[@class='listitem
unordered'])][1])[last()])"/>

    <xsl:key name="unorderedlists" match="xhtml:p[@class='listitembullets']"
use="generate-id((..|preceding-sibling::*[not(self::xhtml:p[@class='listitem
bullets'])][1])[last()])"/>
    <xsl:key name="unorderedlists-indented"
match="xhtml:p[@class='listitemindented']"
use="generate-id((..|preceding-sibling::*[not(self::xhtml:p[@class='listitem
indented'])][1])[last()])"/>
    
    <xsl:output indent="yes"/>
     
    <!--this is a construct whose children need to be grouped in separate
lists--> 
    <xsl:template match="xhtml:body">
        <body>
            <xsl:apply-templates mode="group"
select=".|*[not(self::xhtml:p[@class='listitem1' or @class='listitem2' or
@class='listitemunordered' or @class='listitembullets' or
@class='listitemindented'])]"/>
        </body>            
    </xsl:template>
        
    <xsl:template mode="group" match="*">
        <xsl:apply-templates select="self::*[not(self::xhtml:body)]"/>
        <xsl:if test="key('orderedlists',generate-id(.))">
            <ol start="{substring-before(following-sibling::*/node(),'.')}">
                <xsl:apply-templates
select="key('orderedlists',generate-id(.))"/>
            </ol>
        </xsl:if>
        <xsl:if test="key('unorderedlists-plain',generate-id(.))">
            <dl>
                <xsl:apply-templates
select="key('unorderedlists-plain',generate-id(.))"/>
            </dl>
        </xsl:if>
        <xsl:if test="key('unorderedlists-indented',generate-id(.))">
            <ul>
                <xsl:apply-templates
select="key('unorderedlists-indented',generate-id(.))"/>
            </ul>
        </xsl:if>
        <xsl:if test="key('unorderedlists',generate-id(.))">
            <ul>
                <xsl:apply-templates
select="key('unorderedlists',generate-id(.))"/>
            </ul>
        </xsl:if>
    </xsl:template>
    
    <!--the following template rules need no knowledge of grouping-->
    
    <xsl:template match="xhtml:p[@class='listitem1' or @class='listitem2']">
        <li><xsl:apply-templates/></li>
    </xsl:template>
    
    <xsl:template match="xhtml:p[@class='listitem1' or
@class='listitem2']/text()[1]">
        <xsl:value-of select="substring-after(.,'. ')"/>
    </xsl:template>

    <xsl:template match="xhtml:p[@class='listitembullets' or
@class='listitemindented']">
        <li><xsl:apply-templates/></li>
    </xsl:template>
    
    <xsl:template match="xhtml:p[@class='listitemunordered']">
        <dd><xsl:apply-templates/></dd>
    </xsl:template>
    
    <xsl:template match="xhtml:p[@class='listitembullets']/text()[1]">
        <xsl:value-of select="substring-after(.,'&#8226; ')"/>
    </xsl:template>    
    
    <!-- IdentityTransform -->
    <xsl:template match="/ | @* | node()" name="identity">
        <xsl:copy><xsl:apply-templates select="@* | node()" /></xsl:copy>
    </xsl:template>

</xsl:stylesheet>

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