And, of course, a solution which doesn't use subsequence() :
for $i in (1 to count($nodelist))
return $nodelist[$i][$nodelist[$i +1] is $mynode]
--
Cheers,
Dimitre Novatchev
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Truly great madness cannot be achieved without significant intelligence.
---------------------------------------
To invent, you need a good imagination and a pile of junk
-------------------------------------
Never fight an inanimate object
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You've achieved success in your field when you don't know whether what
you're doing is work or play
-------------------------------------
Facts do not cease to exist because they are ignored.
On Fri, Apr 22, 2011 at 3:18 AM, Oliver Hallam <oliver(_at_)xqsharp(_dot_)com>
wrote:
A slightly neater formulation of this is
$nodelist[subsequence($nodelist,position() + 1,1) is $mynode]
If you know your nodelist is in document order, then the following would
also work:
$nodelist[. << $mynode][last()]
Oliver Hallam
On 22/04/2011 10:21, Michael Kay wrote:
On 22/04/2011 08:24, David Carlisle wrote:
On 22/04/2011 02:28, Steve Fogel wrote:
Hi, all...
Would appreciate a suggestion:
If:
- I have a node set in the variable $nodelist
- and I have a single node in the variable $mynode
- and the node in $mynode is a member of $nodelist
then in XSLT 2.0, how do I set a variable to contain the node that is
previous to $mynode in $nodelist?
For simplicity and a quick answer, you can assume that all nodes in
$nodelist are siblings, but in reality, $nodelist contains<topicref>s from
a
DITA map, so the previous node could be a sibling, a parent, or the child
of
the previous sibling.
Many thanks
If I had this problem, I think I would want to take a step back: where do
these two variables come from? Is there any possibility that instead of
setting the variable $mynode to be one of the nodes in $nodelist, one could
set a variable $myNodePosition to be the integer position of $mynode in
$nodelist?
However, for the problem as stated, another option is
$nodelist[(1 to count($nodelist))[subsequence($nodelist, ., 1) is $mynode]
- 1]
In 3.0 this is a classic case for some useful higher-order functions.
Michael Kay
Saxonica
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