Subject: Re: [xsl] when to use 'as' attribute on a variable From: David Carlisle <davidc@xxxxxxxxx> Date: Wed, 8 Mar 2006 11:08:38 GMT |
> To store an external XML doc in a variable am I right in saying I should use > document-node() ? yes > To store an nodeset taken from the XML in a variable I should use item()? XPath2 doesn't have node sets (They are the XPath1 datatype) it has sequences. The nearest type to a node set is a sequence of nodes which is node()*. If you need to store a sequence of nodes you can use node()* but if your "nodeset" is just a single top level element then you can use more specific types such as node() or element(). > Then what is the node() see above > type for and how is it different from item()? item() includes atomic types such as integers so 1 (an integer) and "1" (a string) are both of type item() but not of type node() the type item()* is a sequence of items and is the most general type, all XPath2 values match that type. David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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