Re: [xsl] comparing strings

[Miloslav Nic <nicmila@xxxxxxxxx>]

<xsl:stylesheet
        version="1.0"
        xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>

<xsl:output method="xml" indent="yes"/>

<xsl:param name="start">pac</xsl:param>
<xsl:param name="count">5</xsl:param>

<xsl:template match="/">
  <xsl:apply-templates select="//term[starts-with(.,$start)][1]"/>
</xsl:template>

<xsl:template match="term">
  <xsl:param name="pos" select="1"/>
  <t><xsl:value-of select="."/></t>

  <xsl:if test="$pos &lt; $count">
    <xsl:apply-templates select="following-sibling::term[1]">
      <xsl:with-param name="pos" select="$pos + 1"/>
    </xsl:apply-templates>
  </xsl:if>

</xsl:template>

</xsl:stylesheet>



Oliver Becker wrote:
> 
> Dear friends,
> 
> happy new year to everybody!
> 
> Is there someone out there who can answer my simple question:
> How to compare strings with XPath/XSLT, something like strcmp() in C
> or compareTo() in Java?
> I want a pure XSLT solution without using extensions.
> 
> For those of you who are interested I have a little use case:
> 
> Consider this simplified dictionary:
> <longman>
>    ...
>    <term>oz</term>
>    <term>ozone</term>
>    <term>p</term>
>    <term>pa</term>
>    <term>pace</term>
>    <term>pacemaker</term>
>    <term>pacesetter</term>
>    <term>pachyderm</term>
>    <term>pacific</term>
>    <term>pacifier</term>
>    <term>pacifism</term>
>    <term>pacifist</term>
>    <term>pacify</term>
>    <term>pack</term>
>    <term>package</term>
>    <term>packaged</term>
>    <term>packaging</term>
>    <term>packed</term>
>    <term>packer</term>
>    <term>packet</term>
>    <term>packing</term>
>    <term>pact</term>
>    <term>pad</term>
>    ...
> </longman>
> 
> Question: given an arbitrary input term (e.g. as a parameter), how
> can I display the next 10 terms, starting with my input or the
> term which would follow directly in alphabetical order?
> 
> If I had numbers instead of strings, the following template would
> solve the required task:
> 
> <xsl:param name="input" />
> 
> <xsl:template match="term">
>    <xsl:if test=". >= $input and
>                  not(preceding-sibling::term[10] >= $input)">
>       <!-- display . in some appropriate way -->
>    </xsl:if>
> </xsl:template>
> 
> Regards,
> Oliver
> 
> /-------------------------------------------------------------------\
> |  ob|do        Dipl.Inf. Oliver Becker                             |
> |  --+--        E-Mail: obecker@xxxxxxxxxxxxxxxxxxxxxxx             |
> |  op|qo        WWW:    http://www.informatik.hu-berlin.de/~obecker |
> \-------------------------------------------------------------------/
> 
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<firstName> Miloslav </firstName>    
<surname>   Nic      </surname>     

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