RE: [xsl] Select nodes with an attribute but not all the nodes

["Michael Kay" <mike@xxxxxxxxxxxx>]

It's dangerous to use the word "when" in your problem statement because it
suggests you are thinking in terms of order of execution.

What you've got here is a positional grouping problem:

<xsl:for-each-group select="level2"
group-starting-with="*[not(@attachpart)]">
<record>
  <name><xsl:value-of select="name"/></name>
  <attachingPart>
    <xsl:value-of select="current-group()[@attachpart]/number"/>
  </attachingPart>
</record>
</xsl:for-each> 

Michael Kay
http://www.saxonica.com/

> -----Original Message-----
> From: mysrdr-wrk@xxxxxxxxx [mailto:mysrdr-wrk@xxxxxxxxx] 
> Sent: 19 May 2006 17:06
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] Select nodes with an attribute but not all the nodes
> 
> I am making an XML to XML transform using XSLT 2.0 and Saxon 
> 8B.  I need to select certain nodes based on an attribute, 
> but when I find a node without the attribute I want to stop 
> selecting nodes even if subsequent siblings have the attribute.  
>    
>   <level2>
>               <name>box</name>
>               <number>1234</number>
>   </level2>
>   <level2>
>               <name attachpart="1">washer</name>
>               <number>234</number>
>   </level2>
>   <level2>
>               <name attachpart="1">screw</name>
>               <number>345</number>
>   </level2>
>   <level2>
>               <name attachpart="1">bolt</name>
>               <number>456</number>
>   </level2>
>   <level2>
>               <name>nameplate</name>
>               <number>9876</number>
>   </level2>
>   <level2>
>               <name>switch</name>
>               <number>7654</number>
>   </level2>
>   <level2>
>               <name attachpart="1">screw</name>
>               <number>345</number>
>   </level2>
>    
>   The washer screw and bold are attaching parts for the box. 
> I need to output these in an <attachingPart> element.  
>    
>   <record>
>               <name>box</name>
>               <attachingPart>234 345
> 456</attachingPart>
>   </record>
>    
>   Depending on how I approach the code, I get nothing or just 
> the washer or I get *all* of the parts that have the 
> attachpart attribute.  Is there some way to say stop 
> selecting attachpart nodes when a level2 doesn't have the 
> attribute?  It's sounds so simple but I'm not getting 
> anywhere with it. 
>  
> I've been reading both Michael and Jeni and checking the 
> archives.  Some things look close but I get the same results. 
> The answer is probably right in front of my face but I've 
> been looking at it so long I can't see the forest for the trees.
>    
>   Regards,
>   Hermy