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Re: how to select elements based on optional container

Subject: Re: how to select elements based on optional container argument
From: Andreas Kemkes <a5sk4s@xxxxxxxxx>
Date: Wed, 22 Aug 2007 10:30:07 -0700 (PDT)
 Re: how to select elements based on optional container
I'm only subscribed to the digest, so I'm responding to my own message and
hope it will end in the same thread.

Nick, David:

Thanks.  From both your
responses I was able to trace back my troubles to the use of '//container'.
I'm still somewhat unclear on why and would like to understand it better - so
if anyone has a good explanation why

<xsl:for-each
select="lc:container/lc:item[not(../@select) or number(../@select) &gt;=
position()]">
 
works, but 

<xsl:for-each
select="//lc:container/lc:item[not(../@select) or number(../@select) &gt;=
position()]">

does not (i.e., empty set), I would appreciate to hear about
it.

I've used expressions starting with // before, but maybe only in
xsl:apply-templates.  I'll investigate a bit further and if I find anything
interesting I will share.

Thanks again for your time.

Andreas

-----
Original Message ----
From: Andreas Kemkes <a5sk4s@xxxxxxxxx>
To:
xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Sent: Tuesday, August 21, 2007 3:02:37 PM
Subject: how to select elements based on optional container argument

XSLT 1.0
is a constraint.

I'm having trouble with a select expression to select the
marked elements (<!--X-->) in the following XML:

<container select="2">
<item>...</item><!--X-->
  <item>...</item><!--X-->

  <item>...</item>
</container>
<container>

  <item>...</item><!--X-->
<item>...</item><!--X-->


  <item>...</item><!--X-->


</container>
<container select="1">

  <item>...</item><!--X-->
  <item>...</item>
<item>...</item>

  <item>...</item>

</container>

In the case of a no select
attribute all items in the container should be in the node set.
If there is a
attribute select="n", only the first "n" items should be in the node set.
The
expression needs to work across all containers.

There is the additional
constraint that only items with parent container are to be selected.


Where
could I start to look for code examples that solves a similar problem?

Thanks
in advance for your help.
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