Subject: RE: [xsl] xslt 2.0 castable as From: "Michael Kay" <mhk@xxxxxxxxx> Date: Mon, 2 Feb 2004 12:05:23 -0000 |
> I found, saxon 7.8, that ('non-roman' castable as xs:float) > returns true. Saxon hasn't kept up with the latest specs in this area. The expression ('non-roman' cast as xs:float) will succeed in the current version of Saxon: it will give you NaN, not an error. Therefore, "castable as" returns true. However, the latest specs have aligned casting with XML Schema validation, which means that ('non-roman' cast as xs:float) should fail, and "castable as" should therefore return false. I'll update the software to match. Meanwhile, I suspect that what you really want is "castable as xs:decimal", which should work OK in the current Saxon. Alternatively, you could use a regex to test whether the value is numeric, which might be more efficient anyway ("castable as" in its current implementation involves throwing and catching an exception, which is very expensive in Java). Michael Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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