Re: [xsl] casting in xpath

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Subject: Re: casting in xpath
From: Abel Braaksma <abel.online@xxxxxxxxx>
Date: Fri, 09 Feb 2007 14:49:05 +0100

Robert C Corsaro wrote:

Is something like this possible?:

//Node[xs:int(@number-att)=$myNum]
My problem is that I don't know if @number-att will be padded with zeros
or not

you mean, I think, xs:integer(@number-att), which is indeed possible. It will fail with an error if the @number-att contains any [^0-9.+-] (with some exceptions). However, there are several ways to prevent this (unrecoverable) error to be raised:

(: number() never fails :)
xs:integer(number(@number-att))

(: more cleanly, gives you more control :)
if (@number-att castable as xs:integer) then xs:integer(@number-att) else 0

etc.

Cheers,
-- Abel Braaksma
  http://xslt.metacarpus.com

Current Thread
casting in xpath Robert C Corsaro - 9 Feb 2007 13:43:53 -0000 Abel Braaksma - 9 Feb 2007 13:58:07 -0000 <= Robert C Corsaro - 9 Feb 2007 14:16:45 -0000

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