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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Nested grouping question
 At 04:29 PM 1/2/2004, you wrote: I've got an XML file organized in one way that I'm trying to convert to match the organization of other files that I deal with. I want the file hierarchy to be: Cool. The file that I'm trying to convert is organized by user. I can do grouping to determine the states and games, but it seems like I need to do redundant grouping to do the conversion. I'm unsure of what you mean by needing "redundant grouping". But I can give a couple of hints on how to proceed. If you're using keys to retrieve your nodes when grouped, as you probably know <xsl:key name="users-by-state" match="user" use="state"/> will let you retrieve all the <user> elements with a given state as the value of a <state> element child. Similarly, providing each <user> has just one state and one game, you can create a compound key <xsl:key name="users-by-state-game" match="user" use="concat(state, game)"/> which will get you all the users that contain a given state/game combination. To handle what might be the "redundant grouping" problem you allude to, you might also find a key useful to retrieve all the states represented for a given game: <xsl:key name="state-by-game" match="state" use="../game"/> This will give you a way to traverse over the states for each game (the first level of your grouping); within this traversal (of course, you'll have to de-duplicate these sets of nodes as you go, in the usual way), you can use the compound key to get the particular users for each state/game. I hope that's a help. Ask again if I'm being too sketchy. Definitely consult http://www.jenitennison.com under "grouping" if you haven't already; a search for "XSLT two-level grouping" might also turn something up. Cheers, Wendell ====================================================================== Wendell Piez mailto:wapiez@xxxxxxxxxxxxxxxx Mulberry Technologies, Inc. http://www.mulberrytech.com 17 West Jefferson Street Direct Phone: 301/315-9635 Suite 207 Phone: 301/315-9631 Rockville, MD 20850 Fax: 301/315-8285 ---------------------------------------------------------------------- Mulberry Technologies: A Consultancy Specializing in SGML and XML ====================================================================== XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list 
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