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Re: [xsl] Does the count() function require access to the whole subtree?

2014-01-12 05:34:58
On 12 January 2014 11:10, Costello, Roger L. <costello(_at_)mitre(_dot_)org> 
wrote:
A couple days ago Michael Kay wrote:

        Inspection operations on an element are operations
        that can be performed while positioned at the start tag.

        Inspection operations include: count(), exists(), name().

        Absorption operations are operations that require access
        to the whole subtree.

        Absorption operations include: string(), data(), xsl:value-of

Michael, doesn't the count() function require access to the whole subtree? 
How would a count be conducted by sitting at the top of a subtree? Perhaps 
you meant to say that the count() function is an absorption operation?

I wondered this too... I'm guessing you could do a look-ahead of the
xml parsing the structure without any text nodes, then you have the
'metadata' without the content.  Will be interesting to find out...



-- 
Andrew Welch
http://andrewjwelch.com

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