count.uri.path.depth — Count the number of path components in a relative URI
This function counts the number of path components in a relative URI.
<xsl:template name="count.uri.path.depth">
<xsl:param name="filename" select="''"></xsl:param>
<xsl:param name="count" select="0"></xsl:param>
<xsl:choose>
<xsl:when test="contains($filename, '/')">
<xsl:call-template name="count.uri.path.depth">
<xsl:with-param name="filename" select="substring-after($filename, '/')"></xsl:with-param>
<xsl:with-param name="count" select="$count + 1"></xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$count"></xsl:value-of>
</xsl:otherwise>
</xsl:choose>
</xsl:template>