Subject: [xsl] Saxon versus Xalan implementations of evaluate() extension function? From: "Andrzej Taramina" <andrzej@xxxxxxxxxxx> Date: Wed, 6 Jul 2005 20:02:43 -0400 |
I'm trying to get a large application to run using Saxon 8.4 rather than Xalan, which it uses currently, since a large chunk of cpu is being burned in the xsl transform step. Figured Saxon is usually a lot more efficient than Xalan in that regard. But there seems to be a difference in the functionality of xalan:evaluate versus saxon:evaluate. For example: xalan:evaluate( concat( '$', @varname ) ) works fine. It uses the value of the @varname attribute (say 'xyz' ) and then returns the value of the variable $xyz. Saxon dies on this construct with an exception that looks like: net.sf.saxon.trans.DynamicError: Static error in XPath expression supplied to saxon:evaluate: XPath syntax error at char 10 in $xyz: Similarily, I can do a xalan:evaluate( concat( '$data/', @xpathValue ) ) But Saxon throws the DynamicError exception. Seems that Saxon doesn't support variable bindings in the evaluate call. Strange oversight (IMNSHO) since the exslt dyn:evaluate specifies that it will support variable bindings. Any workarounds? Any plans for Saxon 8.5 to support variable bindings for the evaluate() function? Thanks for any/all advice. If I can't resolve this, it will kill our ability to switch to Saxon. ;-( ....Andrzej Chaeron Corporation http://www.chaeron.com
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