Subject: RE: [xsl] push-pull From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Wed, 19 Mar 2008 09:21:30 -0000 |
> Why error "The context item is not set", when the context is > not set, on something like this: > <xsl:value-of select="if (.) then 'a' else 'b'"/> How else > does one check if the context item is set? > There's no way to test whether the context item is currently set. I think the only case where you can't tell statically is probably within a named template. I think it's probably good practice for a named template to declare a parameter: <xsl:param name="target" select="."/> and within the body of the template to refer to $target rather than ".". The caller must then either pass over a context item, or set the value of $target explicitly. Michael Kay http://www.saxonica.com/
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