Chris,
This is nice. I was going to suggest a key-based grouping solution, but
this works.
I particularly like the trick of passing the preceding siblings into a
template as a parameter and then filtering from them using another
parameter as a criterion: that technique could be useful....
Cheers,
Wendell
At 01:00 PM 10/16/2003, you wrote:
Figured it out...maybe it can help someone else!
<xsl:template match="/root/element">
<xsl:choose>
<xsl:when test="(following-sibling::element[1][child::flag]) or
(count(following-sibling::element) = 0)"> <!-- only call when it's the last
element in a series-->
<xsl:call-template name="countFlags">
<xsl:with-param name="nodeList" select="preceding-sibling::element"
/>
<xsl:with-param name="followingFlags" select
="count(following-sibling::element[flag])"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise />
</xsl:choose>
</xsl:template>
<xsl:template name="countFlags">
<xsl:param name="nodeList"/>
<xsl:param name="followingFlags"/>
<xsl:value-of select="1 + count
($nodeList[count(following-sibling::element[flag]) = $followingFlags])"/>
</xsl:template>
gives output:
Element A1: 1
Element B4: 4
Element C2: 2
Element D3: 3
<root>
<element number="A1"><!--start a series of 1 -->
<flag/>
</element><!-- only 1 in series, so count is only 1 -->
<element number="B1"><!-- start a series of 4 -->
<flag/>
</element>
<element number="B2"/>
<element number="B3"/>
<element number="B4"/><!-- count the previous 3 elements -->
<element number="C1"><!-- start a series of 2 -->
<flag/>
</element>
<element number="C2"/><!--count the previous 1 element -->
<element number="D1"><!-- start a series of 3 -->
<flag/>
</element>
<element number="D2" />
<element number="D3" /><!-- count the previous 2 elements -->
</root>
======================================================================
Wendell Piez
mailto:wapiez(_at_)mulberrytech(_dot_)com
Mulberry Technologies, Inc. http://www.mulberrytech.com
17 West Jefferson Street Direct Phone: 301/315-9635
Suite 207 Phone: 301/315-9631
Rockville, MD 20850 Fax: 301/315-8285
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