Subject: 2 unique lists From: Matthew Cordes <mcorde61@xxxxxxxxx> Date: Mon, 7 Aug 2000 11:41:35 -0400 |
Hello all. This another question about deriving a unique list from xmldata, but I think mine is a little different. I have the following xml: <schedule> <person name="person1"> <date>Feb2000</date> <date>Mar2000</date> <date>Apr2000</date> <date>Feb2000</date> <date>Mar2000</date> <date>Apr2000</date> <date>Feb2000</date> <date>Mar2000</date> <date>Apr2000</date> <date>Feb2000</date> <date>Mar2000</date> <date>Apr2000</date> </person> <person name="person2"> <date>Feb2000</date> <date>Mar2000</date> <date>Apr2000</date> <date>Feb2000</date> <date>Mar2000</date> <date>Apr2000</date> <date>Feb2000</date> <date>Mar2000</date> <date>Apr2000</date> <date>Feb2000</date> <date>Mar2000</date> <date>Apr2000</date> </person> </schedule> and from this I want two unique lists of dates, thus person1: Feb2000, Mar2000, Apr2000. person2: Feb2000, Mar2000, Apr2000. Here is the first stylesheet, using preceding: <xsl:template match="person"> <xsl:value-of select="@name"/><xsl:text>: </xsl:text> <xsl:for-each select="date[ not( . = preceding::date )]"> <xsl:value-of select="."/> <xsl:if test="not(position()=last())">, </xsl:if> </xsl:for-each> </xsl:template> which produces: person1: feb2000, mar2000, Apr2000 person2: I also tried the key method: <xsl:key name="thedate" match="date" use="."/> <xsl:template match="person"> <xsl:value-of select="@name"/><xsl:text>: </xsl:text> <xsl:for-each select="date[generate-id(.) = generate-id(key('thedate',.)[1])]"> <xsl:value-of select="."/> <xsl:if test="not(position()=last())">, </xsl:if> </xsl:for-each> </xsl:template> which produced the same result. Can anyone offer any suggestions? Also I'm not sure I understand what the key method is doing can someone provide a detailed explanation? -matt XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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