RE: Date Difference

If you've got tokenize() and subsequence() available then you've also got
XPath 2.0 date arithmetic available. Just write one function to convert your
local date format into ISO dates, and then use the standard XPath 2.0 date
library.

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: thomas.maciejewski@xxxxxxxxx 
> [mailto:thomas.maciejewski@xxxxxxxxx] 
> Sent: 19 December 2005 21:57
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE:  Date Difference
> 
> I wrote this:
> 
>       <xsl:function name="sgfr:IsDateGreater">
>             <xsl:param name="stringDate1"/>
>             <xsl:param name="stringDate2"/>
>             <xsl:variable name="tokenizedDate1"
> select="tokenize($stringDate1, '/')"/>
>             <xsl:variable name="monthPart1"
> select="subsequence(($tokenizedDate1), 1, 1)"/>
>             <xsl:variable name="datePart1"
> select="subsequence(($tokenizedDate1), 2, 1)"/>
>             <xsl:variable name="yearPart1"
> select="subsequence(($tokenizedDate1), 3, 1)"/>
>             <xsl:variable name="tokenizedDate2"
> select="tokenize($stringDate2, '/')"/>
>             <xsl:variable name="monthPart2"
> select="subsequence(($tokenizedDate2), 1, 1)"/>
>             <xsl:variable name="datePart2"
> select="subsequence(($tokenizedDate2), 2, 1)"/>
>             <xsl:variable name="yearPart2"
> select="subsequence(($tokenizedDate2), 3, 1)"/>
>             <xsl:choose>
>                   <xsl:when test="yearPart1>yearPart2"><xsl:value-of
> select="true"/></xsl:when>
>                   <xsl:when test="yearPart1=yearPart2">
>                         <xsl:choose>
>                               <xsl:when test="monthPart1>monthPart2">
>                                     <xsl:value-of select="true"/>
>                               </xsl:when>
>                               <xsl:when test="monthPart1=monthPart2">
>                                     <xsl:choose>
>                                           <xsl:when
> test="datePart1>datePart2"><xsl:value-of select="true"/></xsl:when>
>                                           <xsl:otherwise><xsl:value-of
> select="false"/></xsl:otherwise>
>                                     </xsl:choose>
>                               </xsl:when>
>                               <xsl:otherwise><xsl:value-of
> select="false"/></xsl:otherwise>
>                         </xsl:choose>
>                   </xsl:when>
>                   <xsl:otherwise><xsl:value-of
> select="false"/></xsl:otherwise>
>             </xsl:choose>
>       </xsl:function>
> 
> Will this work?
> Or am I totally missing the point?
> 
> Regards,
> 
> 
> Tom Maciejewski
> 
> 
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