Re: [xsl] Cast variable to node-set

["David B. Bitton" <david@xxxxxxxxxxxxxx>]

Jeni,
	Some how, it started working.  I think it was case of I was editing the wrong file.  As for setting those
values as xsl:param's, it just gives me some flexibility if I need to pass them in manually.  Thanks.

On Fri, Mar 15, 2002 at 06:39:33PM +0000, Jeni Tennison wrote:
> Hi David,
> 
> > Ok, here is a sample of what's going on (a bit dumbed down for brevity):
> >
> > <xsl:variable name="cr_amt"
> > select="/Transactions/Transaction/CreditAmount"/>
> > <xsl:variable name="cr_under_amt" select="MinAmt/CRUnderMinAmt"/>
> >
> > <td style="text-align:right;">
> >     <xsl:call-template name="displaycurrency">
> >         <xsl:with-param name="node" select="$cr_amt + $cr_under_amt"/>
> >         <xsl:with-param name="total">1</xsl:with-param>
> >     </xsl:call-template>
> > </td>
> >
> > Then inside "displaycurrency":
> >
> > <xsl:variable name="output">
> >     <xsl:value-of select="sum($node)"/>
> > </xsl:variable>
> >
> > The $total xsl:param tells the template to prepend the currency code
> > to the value (we only show currency code for totals). The reason for
> > the sum() is that I can pass either a single node or a node-set. I
> > always want to sum a node-set that is passed to the template. I
> > tried this:
> >
> > select="$cr_amt | $cr_under_amt"
> >
> > But that didn't work.
> 
> Hmm... that's weird. If the call looks like:
> 
>   <xsl:call-template name="displaycurrency">
>     <xsl:with-param name="node" select="$cr_amt | $cr_under_amt"/>
>     <xsl:with-param name="total">1</xsl:with-param>
>   </xsl:call-template>
> 
> then assuming that $cr_amt and $cr_under_amt are node sets containing
> CreditAmount and CRUnderMinAmt elements as you've said, the $node
> parameter should be a node set and the sum($node) function should
> provide you with the sum of those nodes.
> 
> In what way didn't it work? Did you get an error message, or just not
> the result that you expected to see?
> 
> > Also, there is one additional requirement, when I pass a node into
> > the template like this:
> >
> > <td align="right">
> >     <xsl:call-template name="displaycurrency">
> >         <xsl:with-param name="node" select="$cr_under_amt"/>
> >         <xsl:with-param name="total">1</xsl:with-param>
> >     </xsl:call-template>
> > </td>
> >
> > The node has two attributes, @currency_code and @minor_unit (you've
> > seen these in my last thread). What are the chances of getting them
> > into the template without using seperate params? I have them set as
> > xsl:param's now:
> >
> > <xsl:param name="currency_code" select="$node/@currency_code"/>
> > <xsl:param name="minor_unit" select="$node/@minor_unit"/>
> 
> You don't need to set those as parameters -- just use normal
> variables. You're passing the node itself, so you can do anything to
> it you can normally do - get its attributes, children, ancestors,
> whatever you need.
> 
> Cheers,
> 
> Jeni
> 
> ---
> Jeni Tennison
> http://www.jenitennison.com/

-- 

David B. Bitton
david@xxxxxxxxxxxxxx

Diversa ab illis virtute valemus.

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