How to: Returning HTML Elements From a Saxon Extension

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Subject: How to: Returning HTML Elements From a Saxon Extension Function (6.5.x)
From: "W. Eliot Kimber" <eliot@xxxxxxxxxx>
Date: Thu, 17 Apr 2003 13:39:22 -0500

I want to make sure I'm thinking about a small XSLT puzzle correctly: my requirement is to provide a Saxon extension function that returns a restult tree (or a string that will become a result tree). What I'm doing is building a navigation bar based on configuration information held in an external file and accessed through an external Java library.

If I just return the markup as a string (e.g., return "<a href="#foo">bar</a>";) then it gets escaped, as you would expect.

Looking through the docs for extension functions, it appears that I need to return a NodeInfo node that contains nodes for the markup. NodeInfo is a Saxon-specific DOM implementation. The Saxon DOM implementation is read-only, and if I'm understanding the docs correctly, I have to use a SAX process to construct new nodes.

This leads to two questions:

1. Is my analysis correct or have I missed some easy way to return this markup?

2. If my analysis is correct, does anyone have an example of doing this sort of off-the-cuff SAX processing I could crib from? I didn't find any examples in the Saxon-supplied samples.

Thanks,

Eliot
--
W. Eliot Kimber, eliot@xxxxxxxxxx
Consultant, ISOGEN International

1016 La Posada Dr., Suite 240
Austin, TX  78752 Phone: 512.656.4139

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

Current Thread
How to: Returning HTML Elements From a Saxon Extension Function (6.5.x) W. Eliot Kimber - Thu, 17 Apr 2003 14:35:08 -0400 (EDT) <= W. Eliot Kimber - Thu, 17 Apr 2003 17:24:00 -0400 (EDT) W. Eliot Kimber - Fri, 18 Apr 2003 11:25:04 -0400 (EDT) Michael Kay - Sat, 19 Apr 2003 06:28:56 -0400 (EDT) Michael Kay - Thu, 17 Apr 2003 17:49:07 -0400 (EDT)

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