[oXygen-user] an xslt challenge

[Lou Burnard]

I hope I am not abusing this list in asking occasionally for advice on 
the best way to hack something in xslt.

Today's problem is to output only the first x sentences (string 
terminated by a full stop) of a paragraph such that the total number of 
words (space delimited strings)  is less than some limit (call it 
$maxWords) Since the sentences are of variable length, obviously I don't 
know what x is.

Here's where I got to so far:

<xsl:template match="t:p">
         <xsl:variable name="pString">
             <xsl:value-of select="."/>
         </xsl:variable>
         <xsl:for-each select="tokenize($pString, '\.\s')">
             <xsl:variable name="seq">
                 <xsl:value-of select="string(position())"/>
             </xsl:variable>
             <xsl:variable name="wordsSoFar">
                 <xsl:value-of 
select="string-length(translate(normalize-space
                 (preceding-sibling::text()), ' ', '')) + 1"/>
             </xsl:variable>
           <xsl:if test="$wordsSoFar < $maxWords">

             <s n="{$seq}">
                 <xsl:value-of select="."/>
             </s>

           <xsl:if>

        </xsl:for-each>
     </xsl:template>

But this is not valid because preceding-sibling:: wants a node() not a 
string (even though "text()" *is* a node imho).

Am I going about this entirely the wrong way?




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