RE: How to return a node-set from an extension?

["Voytenko, Dimitry" <DV...@SECTORBASE.COM>]

This is how I did it

// Class for node-set function
public class FuncNodeSet extends Function {

  public XObject execute (XPath path, XPathSupport execContext, Node
context, int opPos, Vector args)
      throws org.xml.sax.SAXException {
    if (args.size() < 1) {
      throw new org.xml.sax.SAXException ("Wrong number of parameters for
function \"node-set\"");
    }
    XObject obj = (XObject)args.elementAt(0);
    if (obj instanceof XNodeSet) {
      return (XNodeSet) obj;
    }
    if (obj instanceof XRTreeFrag) {
      XRTreeFrag tree_frag = (XRTreeFrag) obj;
      XNodeSet node_set = new XNodeSet (tree_frag.convertToNodeset());
      return node_set;
    }
    return new XNodeSet();
  }
}

// plug this function
  private static synchronized void addXSLTAddons () {
	.....
    XPath.installFunction ("node-set", new FuncNodeSet());
	.....
  }

That's all

Dmitry E. Voytenko
Sectorbase.com

-----Original Message-----
From: greg keraunen [mailto:gkeraunen@valinux.com]
Sent: Thursday, September 07, 2000 12:42
To: xalan-dev@xml.apache.org; DVoytenko@SECTORBASE.COM
Subject: Re: How to return a node-set from an extension?


"Voytenko, Dimitry" wrote:
> 
> In the Xalan-J XRTreeFrag there is method convertToNodeSet(). It does all
> the work. I just wrote extension function node-set() that calls this
method.
> So now I can use
> <xsl:variable name="subtree">
>         <!-- anything -->
> </xsl:variable>
> <xsl:variable name="psubtree" select="node-set($subtree)"/>
> <xsl:value-of select="$psubtree/......"/>

Is the node-set() extension function available for download?
I really need this functionality too!
-- 
greg keraunen <gk...@valinux.com> 408-542-8600 x8085
web software engineer