Subject: [xsl] grouping references so that they only appear once From: "Rick Geimer" <Rick.Geimer@xxxxxxx> Date: Wed, 28 May 2003 16:01:48 -0700 |
Hello, I have a grouping problem that I am hoping someone can help me with. Imagine that I am transforming the following instance, and that I am currently processing the category element with the id "shoes". <?xml version="1.0"?> <doc> <categories> <category id="shoes">Shoes</category> <category id="clothes">Clothing (General)</category> </categories> <makers> <maker id="nike">Nike</maker> <maker id="rebok">Rebok</maker> </makers> <products> <product> <name>Shoe1</name> <categoryRef idref="shoes"/> <categoryRef idref="clothes"/> <makerRef idref="nike"/> </product> <product> <name>Shoe2</name> <categoryRef idref="shoes"/> <categoryRef idref="clothes"/> <makerRef idref="nike"/> </product> <product> <name>Shoe3</name> <categoryRef idref="shoes"/> <categoryRef idref="clothes"/> <makerRef idref="rebok"/> </product> </products> </doc> I want to get a list of all the makers that have products that reference the shoes category, but I don't want a single maker to appear more than once. I have been able to use keys to gather a list of products that reference a category, and from there I can get the makerRefs, and with another set of keys I can then get the makers, but I can't see how to ensure that each maker is only listed once since multiple products reference the same makers. Any help would be appreciated. Rick XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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