AW: [xsl] following-sibling on attributes

Subject: AW: [xsl] following-sibling on attributes
From: Markus Abt <abt@xxxxxxxx>
Date: Fri, 5 Sep 2003 15:44:28 +0200
Hi Vidar,

the sibling axes don't contain attributes, attributes hav an axis on their own.
You may try this templates instead:

<xsl:template match="TEXT">
    <xsl:call-template name="att">
      <xsl:with-param name="atts" select="@*"/>
      <xsl:with-param name="cont" select="node()"/>

<xsl:template name="att">
<xsl:param name="atts" select="/.."/>
<xsl:param name="cont" select="/.."/>
    <xsl:when test="$atts">
      <xsl:element name="{name($atts[1])}">
        <xsl:call-template name="att">
          <xsl:with-param name="atts" select="$atts[position()>1]"/>
          <xsl:with-param name="cont" select="$cont"/>
      <xsl:apply-templates select="$cont"/>

Markus Abt
Comet Computer GmbH

Von: 	Vidar S. Ramdal
Gesendet: 	Freitag, 5. September 2003 13:08
An: 	XSL-list
Betreff: 	[xsl] following-sibling on attributes

Hi all, I'm new to this list.

I have an XML fragment like this:
<TEXT i="1" b="1">Lorem ipsum dolor sit amet</TEXT>

The attributes are more or less arbitrary, might also be other 
attributes on this element, like 'u'.
For now, let's suppose that all available attributes have equivalent 
HTML elements (<b>, <i>, <u>).

I want to transform this into something more XHTML-like, so that the 
above fragment should be represented by
<i><b>Lorem ipsum dolor sit amet</b></i>

I have started off with this XSLT:
     <!-- Matches any TEXT that has one or more attributes -->
     <xsl:template match="TEXT[attribute::node()]">
         <xsl:apply-templates select="attribute::node()[1]">
             <xsl:with-param name="content" select="text()"/>

     <!-- Recursive template that deals with attribute nodes -->
     <xsl:template match="TEXT/attribute::node()">
         <xsl:param name="content"/>
         <xsl:variable name="newcontent">
           <xsl:element name="{local-name(.)}">
               <xsl:copy-of select="$content"/>
           <!-- Problem: This is never true -->
           <xsl:when test="preceding-sibling::node()">
              <xsl:apply-templates select="preceding-sibling::node()[1]">
                  <xsl:with-param name="content" select="$newcontent"/>
             <xsl:copy-of select="$newcontent"/>

The first template matches the TEXT element ok, and then applies the 
second template to its first attribute. This works fine.

The purpose of the second template is to create an element with the same 
name as the matching attribute. The result is captured in $newcontent.
Then we should look for other attributes on the same parent element, and 
apply templates to those as well.

The problem is that <xsl:when test="preceding-sibling::node()"> 
apparently never returns true. The same goes for <xsl:apply-templates 
select="preceding-sibling::node()[1]"> which seems to select nothing.

The result I get with the above XML and stylesheet is
<b>Lorem ipsum dolor sit amet</b>
while I want
<i><b>Lorem ipsum dolor sit amet</b></i>


Vidar S. Ramdal <vidar@xxxxxxxx>
Idium AS -
Tlf. +47 22 00 84 31 / Fax: +47 22 00 84 01
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