Altova Mailing List Archives

RE: [xsl] a very unusual namespace question

From: "David Jeschke" <david.jeschke@--------->
Date: 5/17/2001 11:50:00 PM
Very clever!  You are textually outputting a DTD which declares the dynamic
namespaces as #FIXED attributes on the root stylesheet element.  The XML
spec states that XML parsers must assume #FIXED attributes are present even
if they are omitted.  Since there doesn't appear to be a way within XSLT to
get them into the tree model you just do an end-run around it with a DTD
hack.  Thanks.

So, can someone tell me definitively that this is impossible to do through
the 'tree model'?  My intention was to generate stylesheet B from A using
MSXML TransformNodeToObject so that B is never actually serialized to text
and reparsed but just exists as an XML DOMDocument object.  My experience
with TransformNodeToObject is it fails if the stylesheet output is not a
well-formed XML document, which your solution isn't because the 'DTD' text
is output before the root element.

-----Original Message-----
From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
[mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Steve Tinney
Sent: Thursday, May 17, 2001 6:07 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [xsl] a very unusual namespace question

Something like this, maybe?


<xsl:stylesheet version="1.0"

<xsl:param name="ns" select="'anyns'"/>
<xsl:param name="ns-uri" select="'http://www.whatever.uri'"/>

<xsl:output method="xml"/>

<xsl:namespace-alias stylesheet-prefix="axsl" result-prefix="xsl"/>

<xsl:template match="/">
  <xsl:text disable-output-escaping="yes">
&lt;!DOCTYPE axsl:stylesheet [
&lt;!ATTLIST axsl:stylesheet xmlns:</xsl:text>
<xsl:value-of select="$ns"/>
<xsl:text> CDATA #FIXED "</xsl:text>
<xsl:value-of select="$ns-uri"/>
<xsl:text> CDATA #FIXED "</xsl:text>
<xsl:value-of select="$ns-uri"/>
<xsl:text disable-output-escaping="yes">
<axsl:stylesheet version="1.0">
  <axsl:template match="{$ns}:*">
    <axsl:element name="{$ns}:node"/>



With Saxon 6.3 (YMMV with other processors in terms of escaping
and line-breaking) this generates (reformatted for aesthetic purposes


<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE axsl:stylesheet [
<!ATTLIST axsl:stylesheet
   xmlns:anyns CDATA #FIXED "http://www.whatever.uri"
   xmlns CDATA #FIXED "http://www.whatever.uri"
<axsl:template match="anyns:*">
  <axsl:element name="anyns:node"/>


If you feed B.xsl this


<anyns:rootNode xmlns:anyns="http://www.whatever.uri"/>

You get back


<?xml version="1.0" encoding="utf-8"?>
<anyns:node xmlns:anyns="http://www.whatever.uri"/>



On Thursday 17 May 2001 07:56 pm, you wrote:
> I have a stylesheet A that is outputting stylesheet B (using
> xsl:namespace-alias'ing).  Stylesheet B will be matching elements from
> namespace N so it must have a namespace declaration for N.  But the
> is that namespace N is not known at the time I construct A and does not
> appear in the input to A.  I would like to pass the prefix and URI for N
> stylesheet A as top-level parameters.  How can I get stylesheet A to
> generate a namespace declaration in B from the parameters?  Thanks!
>  XSL-List info and archive:

 XSL-List info and archive:

 XSL-List info and archive:


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