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[(_at_)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.
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