RE: how to get total string-length()

> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of J.Pietschmann
> Sent: Thursday, August 01, 2002 3:46 PM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  how to get total string-length()
> 
> 
> 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()">,&nbsp;</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 = $primary]">
>        <xsl:value-of select="."/><xsl:if test="position() !=
>       last()">,&nbsp;</xsl:if>
>     </xsl:for-each>
> </xsl:variable>
> 
> 
> <fo:block margin-right="{concat(string-length($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
> 
> 
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