Subject: [xsl] Unique list of elements based in attribute From: Tech Guru <tech_gr@xxxxxxxxx> Date: Wed, 7 Mar 2007 11:59:57 -0800 (PST) |
Hi Group, I am trying to generate stylesheet that would produce elements with unique attribute value. My xml: <category_list> <category id="16277" sort_order="10"> <label language="en">Pianos and keyboard instruments</label> <category_list> <category id="16170" sort_order="10"> <label language="en">Grand pianos</label> <category_list> <category id="16323" sort_order="10"> <label language="en">Silent unit</label> </category> </category_list> </category> <category id="16377" sort_order="10"> <label language="en">Pianos and keyboard instruments</label> <category_list> <category id="16277" sort_order="10"> <label language="en">Grand pianos</label> <category_list> <category id="16323" sort_order="10"> <label language="en">Silent unit</label> </category> </category_list> </category> </category_list> .... ..... Stylesheet: <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/> <xsl:template match="/"> <Category_List> <xsl:apply-templates select="category_list"/> </Category_List> </xsl:template> <!-- Any occurrence of category element in current context is applied --> <xsl:template match="category"> <!-- check whether, category with same id is already processed or not --> <!-- Here I am trying to find any sibling categories with same id or not.--> <xsl:if test ="not($id=preceding-sibling::category/@id)"> <!--xsl:if test="@id!=ancestor::category/@id"--> <Category xmlns:YMIA="urn:schemas-music-yamaha-com:ymia"> <xsl:attribute name="Id"> <xsl:value-of select="@id"/> </xsl:attribute> </Category> </xsl:if> <!-- Selects category list of current category. XSLT logic no worry :) --> <xsl:apply-templates select="category_list"/> </xsl:template> <xsl:if test ="not($id=preceding-sibling::category/@id)"> : This does not seem to work. Any input. -R _____________________________________________________________________________ _______ Finding fabulous fares is fun. Let Yahoo! FareChase search your favorite travel sites to find flight and hotel bargains. http://farechase.yahoo.com/promo-generic-14795097
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