RE: node-set() function in MSXML?

[Andrew Kimball <akimball at microsoft dot com>]

Evan,

I plan to remove the non-conformant implicit cast from RTF to node-set
before RTM, and replace it with an msxsl:node-set() explicit cast function.

~Andy Kimball
MSXSL Dev

-----Original Message-----
From: Evan Lenz [mailto:elenz@xyzfind.com]
Sent: Wednesday, August 02, 2000 9:31 AM
To: xsl-list@mulberrytech.com
Subject: RE: node-set() function in MSXML?



I tried your stylesheet with Saxon and with MSXML3, and it worked for both.
However, I still don't entirely trust it.  Is it really safe to assume that
the processor will not choke on the attempt to access an RTF as a node-set
because it won't come across that code at run-time?  Especially if we're
talking about compiling stylesheets--that's where I'd have my doubts about
this stylesheet's portability.  I'd be particularly interested to hear what
Michael Kay has to say about this.

Thanks,

Evan Lenz
elenz@xyzfind.com

-----Original Message-----
From: owner-xsl-list@mulberrytech.com
[mailto:owner-xsl-list@mulberrytech.com]On Behalf Of Steve Muench
Sent: Tuesday, August 01, 2000 6:53 PM
To: xsl-list@mulberrytech.com
Subject: Re: node-set() function in MSXML?

Not the most elegant in the world, but this stylesheet
is a tweaked example of my earlier one that works on
both MSXSL3 and OracleXSL. Similar strategy could be
used for adding compatibility with other engines like
Saxon, XT, Xalan, etc.

<test xsl:version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
      xmlns:ora="http://www.oracle.com/XSL/Transform/java/"
      xsl:exclude-result-prefixes="ora">
  <xsl:variable name="x">
    <a>
      <b>one</b>
      <b>two</b>
    </a>
  </xsl:variable>
  <xsl:variable name="vendor" select="system-property('xsl:vendor')"/>
  <xsl:choose>
    <!-- Let MSXSL3 coerce RTF in $x to nodeset -->
    <xsl:when test="contains($vendor,'Microsoft')">
      <xsl:for-each select="$x/a/b">
        <c><xsl:value-of select="."/></c>
      </xsl:for-each>
    </xsl:when>
    <!-- Use built-in ora:node-set() extension function -->
    <xsl:when test="contains($vendor,'Oracle')">
      <xsl:for-each select="ora:node-set($x)/a/b">
        <c><xsl:value-of select="."/></c>
      </xsl:for-each>
    </xsl:when>
  </xsl:choose>
</test>

______________________________________________________________
Steve Muench, Lead XML Evangelist & Consulting Product Manager
BC4J & XSQL Servlet Development Teams, Oracle Rep to XSL WG
Author "Building Oracle XML Applications", O'Reilly
http://www.oreilly.com/catalog/orxmlapp/



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