Subject: Re: [xsl] Collation for dotted decimal? From: David Carlisle <davidc@xxxxxxxxx> Date: Tue, 7 Feb 2006 16:19:10 GMT |
> In order to get this it would be necessary to "left pad" each member of the sequence with zeros. exactly, that's what format-number(number($i),$vPattern) does. In the example I posted I just used a pattern of '000000' so everything got padded to 6 digits, and if any numbers were 7 digits originally it did the wrong thing. Dimitre just modified it to make sure that the list of 000 is sufficiently long (taking a wild over-estimate, actually, bt it doesn't matter). > What I understand this to do is to select the shortest > dotted-decimal in the document, and then create a sequenceby > replacing any non-zero digit or dot with a zero. And that's where > I'm certain I'm lost. I can't picture the "template" it would > produce and how applying that template would produce a left-padding > of zeros. It takes the longest string in all your <x> elements and then creates a string consisting of that many 0's by translating all the digits and decimal points to zero. (You know that is all the content, from the problem description.) so if the longets entry is 11.2.3.4.5 the format-number pattern will be 0000000000 and the sort key for that entry will be 0000000011.0000000002.0000000003.0000000004.0000000005 and the sort keys for every other entry will have identical length and you can do lexicographic rather than numeric sorting. David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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