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[xsl] Generating embedded XSL stylesheet using XSLT

Subject: [xsl] Generating embedded XSL stylesheet using XSLT
From: petteri.sulonen@xxxxxxxxxxxxx
Date: Sat, 9 Jun 2001 17:58:48 +0300
Hi from a newbie --

I'm trying to create an XSL stylesheet which generates an XML document with an embedded XSL stylesheet. I'm using Cocoon. The problem is that I can't seem to be able to declare the xmlns:xsl namespace _in the generated xsl:stylesheet element_. I'm using xsl:namespace-alias.

My generated XML document has the xmlns:xsl declaration at the root element instead. Cocoon won't process the embedded stylesheet. If I manually move the namespace declaration in the generated document to the xsl:stylesheet element and process it, it works.

I've been able to get around this by constructing the stylesheet with xsl:element (as described in the FAQ), but this generates a weird prefix n0 for it and its children, _and_ I have to construct all of the children with similar xsl:element commands, which is _very_ cumbersome. (These working but very inelegant examples not included.)

My examples:

<?xml version="1.0"?>
<sf:stylesheet version="1.0" xmlns:sf="http://www.w3.org/1999/XSL/Transform"; xmlns:xsl="this_space_intentionally_left_blank">
<sf:namespace-alias stylesheet-prefix="xsl" result-prefix="sf"/>
<sf:template match="/form">
<sf:processing-instruction name="cocoon-
format">type="text/xml"</sf:processing-instruction>
<sf:processing-instruction name="cocoon-
process">type="xslt"</sf:processing-instruction>
<sf:processing-instruction name="xml-
stylesheet">href="#ibnsina" type="text/xsl"</sf:processing-instruction>
<document>
<formdata>
<sf:copy-of select="document('srctest2.xml')"/>
</formdata>
<dummy/>
<xsl:stylesheet id="ibnsina">
<xsl:template match="formdata"/>
<xsl:template match="xsl:stylesheet"/>
<xsl:template match="dummy">
<html>
<head>
<title>Test succeeded!</title>
</head>
<body>
<p><xsl:value-of select="/document/formdata/form/someOtherNode"/></p>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
</document>
</sf:template>
</sf:stylesheet>

Given a very simple root tree and a similarly simple srctest2.xml file, this generates:

[formatted for visual reasons purely]

<?xml version="1.0" encoding="UTF-8"?>
<?cocoon-process type="xslt"?>
<?xml-stylesheet href="#ibnsina" type="text/xsl"?>
<document xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<formdata>
<form>
<someOtherNode>Some other data</someOtherNode>
</form>
</formdata>
<dummy/>
<xsl:stylesheet id="ibnsina">
<xsl:template match="formdata"/>
<xsl:template match="xsl:stylesheet"/>
<xsl:template match="dummy">
<html>
<head>
<title>Test succeeded!</title>
</head>
<body>
<p><xsl:value-of select="/document/formdata/form/someOtherNode"/></p>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
</document>
<!-- This page was served in 199 milliseconds by Cocoon 1.8.2 -->

If I move the xmlns:xsl declaration from the document element to the xsl:stylesheet element, the styelsheet works. Otherwise, it doesn't.

Is there a way for me to force Cocoon to include the declaration in the xsl:stylesheet element? I've tried for three days now, and am getting a bit desperate. Sorry if this has been asked before; I couldn't find it in the FAQ nor by browsing the mailing list archives for the past three months. Other approaches are also appreciated, of course.

Thanks in advance,

Petteri Sulonen


XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list


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