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From Davanum Srinivas <d...@yahoo.com>
Subject RE: [C2][SAXON] NodeIterator/NodeList in SAXON extensions.
Date Tue, 13 Feb 2001 15:49:10 GMT
Mike,

Here's a diff for com\icl\saxon\expr\FunctionProxy.java which allows a NodeList to be used
as a
parameter in extension functions. What should we do next?

Thanks,
dims

D:\saxon\src\com\icl\saxon\expr>diff FunctionProxy.java FunctionProxy.new.java
====================================================================================
465c465,466
<                 params[j++] = arg;
---
>                 //params[j++] = arg;
>                 params[j++] = new NodeSetExtent(((NodeSetValue)arg).enumerate());
====================================================================================


--- Davanum Srinivas <dims@yahoo.com> wrote:
> Mike,
> 
> Included is an stripped-down extension sample which works with Xalan and fails with SAXON.
If we
> could resolve this Cocoon would be able to use SAXON as a replacement for Xalan... Can
you
> please
> help? If we could get SAXON to call either entry point named getParameterSource then
we are all
> set.
> 
> Thanks,
> dims
> 
> PS1: Please look into run.bat for running SAXON and run2.bat for running under Xalan.
> PS2: Here's the stacktrace 
> 
> D:\junk\tryext>java TraxExamples date.xml date.xsl
> >>>> isFactory called:
> Error at xsl:value-of on line 25 of file:/D:/junk/tryext/date.xsl:
>   Argument is of wrong type: argument type mismatch
> EXCEPTION: javax.xml.transform.TransformerException: Argument is of wrong type
> ; SystemID: file:/D:/junk/tryext/date.xsl; Line#: 25; Column#: -1
> javax.xml.transform.TransformerException: Argument is of wrong type
>         at com.icl.saxon.style.StyleElement.styleError(StyleElement.java:784)
>         at com.icl.saxon.style.StyleElement.processChildren(StyleElement.java:613)
>         at com.icl.saxon.style.XSLIf.process(XSLIf.java:77)
>         at com.icl.saxon.style.StyleElement.processChildren(StyleElement.java:611)
>         at com.icl.saxon.style.XSLForEach.process(XSLForEach.java:93)
>         at com.icl.saxon.style.StyleElement.processChildren(StyleElement.java:611)
>         at com.icl.saxon.style.LiteralResultElement.process(LiteralResultElement.java:288)
>         at com.icl.saxon.style.StyleElement.processChildren(StyleElement.java:611)
>         at com.icl.saxon.style.XSLTemplate.realExpand(XSLTemplate.java:195)
>         at com.icl.saxon.style.XSLTemplate.expand(XSLTemplate.java:187)
>         at com.icl.saxon.style.TemplateExpander.start(TemplateExpander.java:35)
>         at com.icl.saxon.Controller.visit(Controller.java:214)
>         at com.icl.saxon.Controller.applyTemplates(Controller.java:259)
>         at com.icl.saxon.Controller.run(Controller.java:176)
>         at com.icl.saxon.Controller.transformDocument(Controller.java:883)
>         at com.icl.saxon.Controller.transform(Controller.java:818)
>         at TraxExamples.exampleSimple1(TraxExamples.java:238)
>         at TraxExamples.main(TraxExamples.java:68)
> ---------
> java.lang.IllegalArgumentException: argument type mismatch
>         at java.lang.reflect.Method.invoke(Native Method)
>         at com.icl.saxon.expr.FunctionProxy.evaluate(FunctionProxy.java:361)
>         at com.icl.saxon.expr.Expression.evaluateAsString(Expression.java:116)
>         at com.icl.saxon.expr.Expression.outputStringValue(Expression.java:127)
>         at com.icl.saxon.style.XSLValueOf.process(XSLValueOf.java:93)
>         at com.icl.saxon.style.StyleElement.processChildren(StyleElement.java:611)
>         at com.icl.saxon.style.XSLIf.process(XSLIf.java:77)
>         at com.icl.saxon.style.StyleElement.processChildren(StyleElement.java:611)
>         at com.icl.saxon.style.XSLForEach.process(XSLForEach.java:93)
>         at com.icl.saxon.style.StyleElement.processChildren(StyleElement.java:611)
>         at com.icl.saxon.style.LiteralResultElement.process(LiteralResultElement.java:288)
>         at com.icl.saxon.style.StyleElement.processChildren(StyleElement.java:611)
>         at com.icl.saxon.style.XSLTemplate.realExpand(XSLTemplate.java:195)
>         at com.icl.saxon.style.XSLTemplate.expand(XSLTemplate.java:187)
>         at com.icl.saxon.style.TemplateExpander.start(TemplateExpander.java:35)
>         at com.icl.saxon.Controller.visit(Controller.java:214)
>         at com.icl.saxon.Controller.applyTemplates(Controller.java:259)
>         at com.icl.saxon.Controller.run(Controller.java:176)
>         at com.icl.saxon.Controller.transformDocument(Controller.java:883)
>         at com.icl.saxon.Controller.transform(Controller.java:818)
>         at TraxExamples.exampleSimple1(TraxExamples.java:238)
>         at TraxExamples.main(TraxExamples.java:68)
> 
> 
> --- Michael Kay <mhkay@iclway.co.uk> wrote:
> > A question about using a DOM NodeIterator to represent an XSLT node-set:
> > what is getRoot() supposed to return?
> > 
> > Mike Kay
> > 
> > > -----Original Message-----
> > > From: Davanum Srinivas [mailto:dims@yahoo.com]
> > > Sent: 08 February 2001 17:54
> > > To: mhkay@iclway.co.uk
> > > Subject: [C2][SAXON] NodeIterator in SAXON extensions.
> > >
> > >
> > > Mike,
> > >
> > > Am an semi-active developer of Apache's Cocoon2 Project. We
> > > currently use Xerces1.2.3 and
> > > Xalan2.0.0. We want to be able to plugin SAXON instead of
> > > Xalan. We have standardized on TRaX so
> > > it should not be too big a problem. But one major problem is
> > > that we have some extensions which
> > > can accept NodeIterator's (see code snippet below). I went
> > > through the sources for Saxon6.2 and
> > > did not find any support for NodeIterator. Is this planned?
> > > Any suggestions are welcome.
> > >
> > > Thanks,
> > > dims
> > >
> > > public class XSLTFactoryLoader implements Loggable {
> > >     ...
> > >     ...
> > >     public String getClassSource(String className, String
> > > prefix, String pattern, NodeIterator
> > > conf)
> > >     throws ClassNotFoundException, InstantiationException,
> > > IllegalAccessException, Exception {
> > >     ...
> > >     }
> > >     ...
> > > }
> > >
> > > =====
> > > Davanum Srinivas, JNI-FAQ Manager
> > > http://www.jGuru.com/faq/JNI
> > >
> > > __________________________________________________
> > > Do You Yahoo!?
> > > Yahoo! Auctions - Buy the things you want at great prices.
> > > http://auctions.yahoo.com/
> > >
> 
> 
> =====
> Davanum Srinivas, JNI-FAQ Manager
> http://www.jGuru.com/faq/JNI
> 
> __________________________________________________
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> ATTACHMENT part 2 application/x-zip-compressed name=tryext.zip



=====
Davanum Srinivas, JNI-FAQ Manager
http://www.jGuru.com/faq/JNI

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