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Re: cleaning up ill-structured html

2003-01-23 14:29:36
I can do step 1, but step 2 gives me trouble. To
formalise: how do I convert a structure structure like

    <break/>+ { other+ <break/>+ }*

into

    { <p> other+ </p> }*

I fear the solution is really simple. Any ideas?


I wouldn't say it's simple. The best that I can come up with is this (note: untested), perhaps there is a more elegant solution:

<xsl:template match="break">
<!-- locate the positions of all following breaks, appending a comma after each -->
 <xsl:variable name="following-breaks">
   <xsl:for-each select="following-sibling::*">
<xsl:if test="self::break"><xsl:value-of select="position()"/>,</xsl:if>
   </xsl:for-each>
 </xsl:variable>
  <!-- extract the position of the first break following sibling -->
<xsl:variable name="first-break" select="number(substring-before ($following-breaks, ','))"/>
 <!-- don't do any copies if the next break occurs immediately after us -->
 <xsl:if test="$first-break > 1">
     <p>
     <!-- copy all elements in between us -->
<xsl:copy-of select="following-sibling::*[position() < $first-break]"/>
     </p>
  </xsl:if>
</xsl:template>


Niko Matsakis

--
DataPower technology
http://www.datapower.com


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