Subject: Re: [xsl] when to use 'as' attribute on a variable From: "tom tom" <tomxsllist@xxxxxxxxxxx> Date: Wed, 08 Mar 2006 13:43:34 +0000 |
To store an external XML doc in a variable am I right in saying I should use document-node() ?yes
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()
From: David Carlisle <davidc@xxxxxxxxx> Reply-To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: Re: [xsl] when to use 'as' attribute on a variable 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
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