"Joris Gillis" <roac@p...> wrote in message news:<opsfeypij8yf9v9r@n...>...
> On 5 Oct 2004 00:56:12 -0700, Martin Pettersson  
> <martinpettersson1974@h...> wrote:
> 
> > I'm trying to multiply parent values in xsl. The thing is that I start
> > with a value down in the xml-structure. From that value (in my case
> > 'qty' value) I check the parent value and later on I will try to
> > multiply these values. When I have found the parent I will multiply
> > with its parent and so on, all the way to the top of the xml-file.
> > Has anyone worked with a similar case? How can I find the 'qty' value
> > for hte parents? Maybe there could be a better way to work with these
> > kind of calculations in xsl (variables or functions ...).
> 
> Hi,
> 
> The following method uses variables and tree-node variables.
> 
> To multiple all ancestor's 'qty' attributes, use:
> 
>    <xsl:call-template name="multiply">
>    <xsl:with-param name="values" select="ancestor::part/*/*[@name='qty']"/>
>    </xsl:call-template>
> 
> This template multiplies all values found in the 'values' parameter.
> It must be included in the XSL.
> 
>    <xsl:template name="multiply">
>   <xsl:param name="values"/>
>    <xsl:param name="product" select="1"/>
>    <xsl:if test="count($values) &gt; 0">
>    <xsl:call-template name="multiply">
>    <xsl:with-param name="product" select="$product * $values[1]"/>
>    <xsl:with-param name="values" select="$values[position() &gt; 1]"/>
>    </xsl:call-template>
>    </xsl:if>
>    <xsl:if test="count($values)=0">
>    <xsl:value-of select="$product"/>
>    </xsl:if>
>    </xsl:template>
> 
> Is this useful?
> 
> Also a little question about your document structure:
> Why not use real attributes in stead of nodes named 'attribute'?
> I mean something like : <attributes @qty="4"/>
> 
> 
> Joris Gillis

Hi Joris,

Finally I tried to incorporate your template with my code. Perfect, it
works fine. Thank you.

I share your view of how the document is structured. Not much I can do
about it =).

Martin Pettersson