Hey Bernie, I'm a little late to the response on this one - thought I'd
put in my two cents.
Remember that a variable can capture any output data that would usually
be sent to the result document... including output from internal XSLT
elements. You can get a good variety of count and depth combinations
using the <xsl:number/> element; if you put <xsl:number/> in a
<xsl:variable>, the string value of that number will be available for
you to use in the rest of your template.
~ Scott
Date: Fri, 7 Sep 2007 14:04:00 +0200
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
From: Bernie <berniecc(_at_)gmail(_dot_)com>
Subject: Re: [xsl] node depth
Message-ID:
<271da0ec0709070504n2ecbcfadmd73ac9c7314aef7e(_at_)mail(_dot_)gmail(_dot_)com>
Thanx Abel, I'm a XSL newbie learning.
On 9/7/07, Abel Braaksma <abel(_dot_)online(_at_)xs4all(_dot_)nl> 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[(_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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