Re: [xsl] node depth

[Bernie <berniecc@xxxxxxxxx>]

Thanx Abel, I'm a XSL newbie learning.

On 9/7/07, Abel Braaksma <abel.online@xxxxxxxxx> wrote:
> Bernie wrote:
> > Is there any way to find out the depth of the current element in a
> > recursive template? The XML is the following:
> >
>
> The depth of any node in the current tree can be requested with:
> count(ancestor-or-self::*)
>
> Bonus: your stylesheet can be written a bit easier as follows:
>
> <xsl:template match="section">
>         <li>
>             <xsl:apply-templates select="label" />
>         </li>
>         <ul>
>             <xsl:apply-templates select="section" />
>         </ul>
>   </xsl:template>
>
>   <xsl:template match="label">
>      <xsl:apply-templates select="@href[@href != '']" />
>      <xsl:value-of select=".[not(@href) | normalize-space(@href) = '']" />
>   </xsl:template>
>
>    <xsl:template match="label/@href">
>       <a href="{.}"><xsl:value-of select="label" /></a>
>    </xsl:template>
>
>
>
> As a general hint, whenever you are writing an xsl:choose or an xsl:if
> with a node test, consider rewriting it as a matching template/applying
> templates pair. This will undoubtedly make your code more adept to
> change, efficient and easier to understand in the long run. A test for a
> label being empty and then outputting its value is unnecessary. It may
> happen that an empty <a></a> occurs but that still renders the same, if
> you don't like that you can remove it by changing the matching template to:
>
>    <xsl:template match="label[.!='']/@href">
>       <a href="{.}"><xsl:value-of select="label" /></a>
>    </xsl:template>
>
> Cheers,
>
> Abel Braaksma
>
> >
> >
> > <xsl:template match="section">
> >     <xsl:if test="label!=''">
> >       <li>
> >         <xsl:choose>
> >           <xsl:when test="label/@href!=''">
> >             <a>
> >                               <xsl:attribute name="href">
> >                                       <xsl:value-of select="label/@href" />
> >                               </xsl:attribute>
> >                                 <xsl:value-of select="label" />
> >                         </a>
> >           </xsl:when>
> >           <xsl:otherwise>
> >                         <xsl:value-of select="label" />
> >           </xsl:otherwise>
> >         </xsl:choose>
> >       </li>
> >       <ul>
> >               <xsl:apply-templates select="section" />
> >       </ul>
> >     </xsl:if>
> >   </xsl:template>
> > -----------------------------
> >
> > Bernie.