Re: [xsl] Count all instances of a named element in a tree

["G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>]

At 2009-05-29 16:48 +0100, W Charlton wrote:
> Does anyone know an elegant solution to counting all elements in an XML
> fragment where the elements to be counted are nested in a tree? An example
> of the XML is below:

Perhaps I'm missing something, but you can just use count() and 
address the nodes you want.  Are you asking, perhaps, about some kind 
of qualification of nodes?

> The count in this case would be 8.

I hope the example below helps.

. . . . . . . Ken

T:\ftemp>type charlton.xml
   <xmltree>
      <countmein>Node1</countmein>
      <nodes>
         <node>
            <countmein>Node2</countmein>
            <level>1</level>
            <nodes>
               <node>
                  <countmein>Node3</countmein>
                  <level>2</level>
                  <nodes>
                     <node>
                        <countmein>Node4</countmein>
                        <level>3</level>
                        <nodes/>
                    </node>
                 </nodes>
              </node>
              <node>
                 <countmein>Node5</countmein>
                 <level>2</level>
                 <nodes/>
              </node>
              <node>
                 <countmein>Node6</countmein>
                 <level>2</level>
                 <nodes/>
              </node>
           </nodes>
        </node>
        <node>
           <countmein>Node7</countmein>
           <level>1</level>
           <nodes>
              <node>
                 <countmein>Node8</countmein>
                 <level>2</level>
                 <nodes/>
              </node>
           </nodes>
        </node>
     </nodes>
   </xmltree>

T:\ftemp>call xslt charlton.xml charlton.xsl
8
T:\ftemp>type charlton.xsl
<?xml version="1.0" encoding="US-ASCII"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
                version="2.0">

<xsl:output method="text"/>

<xsl:template match="/">
  <xsl:value-of select="count(//countmein)"/>
</xsl:template>

</xsl:stylesheet>

T:\ftemp>

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