Re: [xsl] best practices for using XSLT modes

["Mukul Gandhi gandhi.mukul@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

Hi Eliot,

On Thu, Dec 5, 2019 at 8:21 PM Eliot Kimber ekimber@xxxxxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> but I would replace the choice that acts on different @val values with
> templates applied to the @val attribute, i.e.:
>
>         <xsl:template match="a">
>           <val><xsl:apply-templates select="@val"/></val>
>        </xsl:template>
>
>      <xsl:template match="@val[. ge 0]">
>         <xsl:value-of select="@val || ': positive'"/>
>     </xsl:template>
>
>      <xsl:template match="@val[. lt  0]">
>         <xsl:value-of select="@val || ': negative"/>
>     </xsl:template>
>

Thanks for suggesting this. It looks intuitive.


> Note that I handle the bug in the original in that it would produce no
> result when @val is "0" (zero).
>

I actually, deliberately didn't include processing for the case @val being
zero (my XML & XSLT codes were merely examples for discussion, and were not
a real use case). But thanks, for pointing this fact.


> The use of templates rather than xsl:choose makes the code cleaner, I
> think, puts the focus at the template level on the @val attribute, which is
> the focus of the business logic
>

I agree.



-- 
Regards,
Mukul Gandhi