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Re: Converting <xml> StyleSheet param contents into a

Subject: Re: Converting <xml> StyleSheet param contents into a node set?
From: Jacquo Johnson <genxgeek@xxxxxxxxx>
Date: Wed, 17 Aug 2005 02:40:37 -0600
convert xml to style sheet
Assuming that the xml is valid I guess my only question now is why #1
works and #2 doesn't?

#1 (untested)...works ...with <.>
<xsl:variable name="rtf">
<Node><Value>HI</Value></Node>
</xsl:variable>
<xsl:copy-of select="xalan:nodeset($rtf)/child::*/Value" />

#2 (untested)...doesn't works...with &lt; ...&gt;

<xsl:variable name="rtf">
&lt;Node&gt;&lt;Value&gt;HI&lt;/Value&gt;&lt;/Node&gt;
</xsl:variable>
<xsl:variable name="rtf2" select="xalan:nodeset($rtf)"
disable-output-escaping="yes"/>

<xsl:copy-of select="($rtf2)/child::*/Value"/>

I sincerely appreciate the discussion and help with this, Michael.

On 8/17/05, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> If the parameter arrives as unparsed XML, then at some stage it's going to
> have to be parsed into a tree. You can do that in the application before
> invoking the stylesheet, or you can do it by a call-out from the stylesheet
> to some kind of extension (in Saxon you could use saxon:parse()). I can't
> tell from your description which is likely to be more convenient in your
> case. One approach would be to do it in a URIResolver triggered by the
> document() function, but I don't know if that's appropriate in Xalan-C.
>
> Michael Kay
> http://www.saxonica.com/
>
> > -----Original Message-----
> > From: Jacquo Johnson [mailto:genxgeek@xxxxxxxxx]
> > Sent: 17 August 2005 08:06
> > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> > Subject: Re:  Converting <xml> StyleSheet param contents
> > into a node set?
> >
> > Thanks for the reply, Michael!  The XSLT version is 1.0 and I'm using
> > Xalan v1.5 or v1.6 of the C/C++ for this specific application
> > solution.  I'm testing the raw transform itself  via JEdit using the
> > lastest build of the XSLT plugin for Xalan Java (not sure what version
> > that is).
> >
> > However, I would like to avoid any disk i/o or uri specification for
> > this solution due to high message volume and fault tolerance.  Since I
> > recieve the xml filter specification within a Xerces Dom Document as
> > passed from a server I would like to  take the filter xml contents and
> > pass it into an existing stylesheet as xml contents
> > <Filter>....</Filter> itself.  This is all happening on the client
> > side in mememory and the only way that I can think of adhering to this
> > requirement is parsing the filtered xml node xml contents into an
> > existing stylesheet as a parameter.
> >
> > Thoughts?
> >
> > On 8/17/05, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> > > The way you pass parameters to a stylesheet depends on the
> > API of the XSLT
> > > processor that you are using. Many will allow you to pass a
> > DOM Document
> > > node.
> > >
> > > If you're using Saxon from the command line, the parameter
> > > +Filter=filter.xml causes the file filter.xml to be parsed, and the
> > > resulting document (root) node becomes the value of the parameter.
> > >
> > > Another approach is to pass the URI as the stylesheet
> > parameter, and then
> > > call document() from within the stylesheet.
> > >
> > > Michael Kay
> > > http://www.saxonica.com/
> > >
> > > > -----Original Message-----
> > > > From: Jacquo Johnson [mailto:genxgeek@xxxxxxxxx]
> > > > Sent: 17 August 2005 02:07
> > > > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> > > > Subject:  Converting <xml> StyleSheet param contents
> > > > into a node set?
> > > >
> > > > HI all, can somebody tell me how I can pass <xml> contents into a
> > > > stylesheet param and then convert that <xml> contents
> > into a nodeset?
> > > >
> > > >
> > > > Stylesheet: ( Filter=<Node><Whatever/></Node> )
> > > > ...
> > > > <xsl:param name="Filter" select="string('NULL')" />
> > > >
> > > >    <xsl:copy-of select="$Filter"/>
> > > > ...
> > > > Output:
> > > >    &lt;Node&gt;&lt;Whatever/&gt;&lt;/Node&gt;
> > > >
> > > > However, I want to turn the xml contents above into a
> > node set that I
> > > > can later use in the transform.  Is that possible (is
> > there something
> > > > other than using CDATA)?
> > > >
> > > > Any information would be greatly appreciated.

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