[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Problem with selecting nodes
Hi Denis, > In my application user should choose attributes which he wants to be > displayed, e.g. key1 and key3 Than my XSL should select only element > ccc with key="key1" or key="key3" with highest priority. If you have an XSLT processor that supports a max() or highest() function, you could use those functions. For example, with math:highest() from EXSLT (http://www.exslt.org/math/functions/highest - supported by Saxon, 4XSLT, jd.xslt and libxslt), you could use the expression: math:highest(ccc[($key1 and @key = 'key1') or ($key2 and @key = 'key2') or ($key3 and @key = 'key3')]/@priority) /parent::ccc In Saxon, you could alternatively use: saxon:highest(ccc[($key1 and @key = 'key1') or ($key2 and @key = 'key2') or ($key3 and @key = 'key3')], saxon:expression('@priority')) In the absence of extension functions, you could use one of the various methods for getting the node with the maximum value from a the set of nodes you have: * sort all the matching ccc elements by priority and pick the first one * use a recursive template to iterate through the ccc elements in order of priority until you find one that matches * use one of Dimitre's generic templates If you need help with one of these latter approaches, then do say. Cheers, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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