xslt - How do I sort EventTime from xml document? -


i sort eventtime sample xml document have pasted. want display recent eventtime.

my sample xml document

<integration xmlns:msxsl="urn:schemas-microsoft-com:xslt" xmlns:tsg="http://tsgweb.com" xmlns:ixml="http://tsgweb.com" xmlns:cmcodequeryhelper="urn:cmcodequeryhelper" packageid="ixml case notification test" messageid="67085056" xmlns="">     <case internalid="1617090499" id="12125626" xmlns:user="http://tylertechnologies.com">         <caseevent date="05/22/2015" id="160828152" internaleventid="1721879467" xmlns:reslib="urn:reslib">             <eventtime>8:49 am</eventtime>         </caseevent>         <caseevent date="05/28/2015" id="160828600" internaleventid="1721879818" xmlns:reslib="urn:reslib">             <eventtime>1:39 pm</eventtime>         </caseevent>     </case>  </integration>

xsl line of code sort not working

<xsl:sort select="substring-after-last(eventtime)" order="descending"/>

first, there no substring-after-last() function in xslt - not in xslt 3.0. , if there such function, need two arguments: string, , delimiter. , - importantly - don't see how such function of here.

the problem input eventtime values not in format xslt recognizes time. in order avoid interim steps of converting them first valid times , sortable number or string, use like:

<xsl:template match="case">     <xsl:copy>         <xsl:apply-templates select="caseevent">             <!-- 1. before pm -->             <xsl:sort select="substring-after(eventtime, ' ')" data-type="text" order="ascending"/>             <!-- 2. 12th hour comes first -->             <xsl:sort select="number(substring-before(eventtime, ':')='12')" data-type="number" order="descending"/>             <!-- 3. sort hour -->             <xsl:sort select="substring-before(eventtime, ':')" data-type="number" order="ascending"/>             <!-- 4. sort minute -->             <xsl:sort select="substring-before(substring-after(eventtime, ':'), ' ')" data-type="number" order="ascending"/>         </xsl:apply-templates>     </xsl:copy> </xsl:template>

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