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Thanks Michael for correcting my flawed fix :) -- and it would always avoid
her infinite loop :)
I've scrutinized her code more closely, and I think I've figured out what the OP was intending to do (she was on the right track with <!--<xsl:when test="starts-with($to,$from)">--> but had commented it out). Since the $samePath variable is only used once in the following xsl:choose, the relativeUrl template could be further simplified as: <xsl:template name="relativeUrl"> <xsl:param name="from"/> <xsl:param name="to"/> <xsl:choose> <xsl:when test=" starts-with($to,$from) "> <xsl:value-of select="substring-after(substring-after($to,$from),'/')"/> </xsl:when> <xsl:otherwise> <xsl:variable name="strFrom"> <xsl:call-template name="str">
<xsl:with-param name="from" select="$from"/>
<xsl:with-param name="to" select="$to"/>
</xsl:call-template></xsl:variable> <xsl:variable name="dotdotSlash">
<xsl:call-template name="dotSlash">
<xsl:with-param name="convert" select="$strFrom"/>
</xsl:call-template>
</xsl:variable><xsl:variable name="url"> <xsl:value-of select="$dotdotSlash"/> <xsl:value-of select="substring-after(substring-after($to,substring-before($from,$strFrom)),'/')"/> </xsl:variable> <xsl:value-of select="$url"/> </xsl:otherwise> </xsl:choose> </xsl:template> But that doesn't address the recursion problem with the str template. Looking at this template rule more closely, it appears that all she's trying to do is figure out if the "first" directory in the path is the same, and if so, check the "next" directory, and so-on. Making a few corrections, I came up with this: <xsl:template name="str"> <xsl:param name="from"/> <xsl:param name="to"/> <xsl:variable name="strFromBetweenSlashes" select="substring-before(substring-after($from,'/'),'/')"/> <xsl:variable name="strToBetweenSlashes" select="substring-before(substring-after($to,'/'),'/')"/> <xsl:choose> <xsl:when test=" $strFromBetweenSlashes = $strToBetweenSlashes and contains(substring-after($from,'/'),'/') "> <xsl:call-template name="str"> <xsl:with-param name="from" select="substring-after(substring-after($from,'/'),$strFromBetweenSlashes)"/> <xsl:with-param name="to" select="substring-after(substring-after($to,'/'),$strToBetweenSlashes)"/> </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:value-of select="$from"/> </xsl:otherwise> </xsl:choose> </xsl:template> The above two updates look like they get decent results... Cheers, ...sam ----- Original Message ----- From: "Michael Kay" <mike@xxxxxxxxxxxx> To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx> Sent: Saturday, January 12, 2008 10:18 AM Subject: RE: Overflow on building relative paths for one case only It looks like your problem is associated with setting your variable $samePath to the boolean true() or false(), and then later on checking if $samePath equals the string 'false':
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