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Re: how to get total string-length()
Subject: Re: how to get total string-length()
From: "J.Pietschmann" <j3322ptm@xxxxxxxx>
Date: Thu, 01 Aug 2002 21:45:57 +0200
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Matthew L. Avizinis wrote:
Hello all,
If I have the following snippet:
<fo:block margin-right="{concat(NNN*1.5),'mm')}">
--------------------------------^^^
<xsl:call-template name="process-nodes"/>
<xsl:if test="not(@no-pg-num)">
<fo:leader leader-pattern="dots" leader-pattern-width="2.0mm"
leader-alignment="reference-area"/>
</xsl:if>
<xsl:for-each
select="document(concat($libname,'/index.xml'))//index/index-term[@id =
$primary]">
<xsl:value-of select="."/><xsl:if test="position() !=
last()">, </xsl:if>
</xsl:for-each>
</fo:block>
In the for-each line I grab each index-term that has an id that matches the
value in $primary. Thus I could have a line like
the index entry..........123, 234, 345
What I want to be able to do is, using the example in the line above,
calculate the number of characters in "123, 234, 345" and be able to insert
it in the NNN location in the block margin-right location. Obviously I need
to figure this out outside/before the block, but howto, that's the question.
This appears to be really easy: put it into a variable
and use string-length:
<xsl:variable name="page-list">
<xsl:for-each
select="document(concat($libname,
'/index.xml'))//index/index-term[@id = $primary]">
<xsl:value-of select="."/><xsl:if test="position() !=
last()">, </xsl:if>
</xsl:for-each>
</xsl:variable>
<fo:block margin-right="{concat(string-length($page-list)*1.5),'mm')}">
<xsl:call-template name="process-nodes"/>
<xsl:if test="not(@no-pg-num)">
<fo:leader leader-pattern="dots" leader-pattern-width="2.0mm"
leader-alignment="reference-area"/>
</xsl:if>
<xsl:value-of select="$page-list"/>
</fo:block>
If you have any markup in the page number list, like fo:basic-links,
use xsl:copy-of instead of xsl:value-of.
J.Pietschmann
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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