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Re: [xsl] xsl:key in a function?

2012-03-05 16:00:37
On 05/03/2012 20:12, ihe onwuka wrote:
As a matter of fact is it even even possible to have xsl:key in a
custom function?

It's not clear what you mean by custom function gere, do you mean an
xsl-defined function using xsl:function, or an extension function?

In the former case, you can use a key, but as in templates they key()
function is used in the function or template, but xsl:key is a top level
declaration that is always a child of xsl:stylesheet.

You also need recall at the top level of a function body there is no
current node, so no current document, so you need to pass a node in as
the third argument of key() or use xsl:for-each or a similar construct within the function body so that there is a current document at the point you call key().

If you mean that you want to write an extension function, then that's not xslt so I'm not sure what using xsl:key would mean at all?


David
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