Subject: Re: [xsl] Keys with duplicates should be simple From: Dimitre Novatchev <dnovatchev@xxxxxxxxx> Date: Fri, 31 Jan 2014 12:49:50 -0800 |
Ihe, Once again, I am trying to raise the problem of how a problem should be presented in a non-ambiguous way. Probably this needs to be placed in the FAQs of the mailing list. On Fri, Jan 31, 2014 at 12:36 PM, Ihe Onwuka <ihe.onwuka@xxxxxxxxx> wrote: > Dimitre, > > Thank you for being the first to try out and affirm that the code gave > the desired result. It led me to see that my real problem was in my > interpretation of the data. > > Once again I'm grateful, really. > > Cheers. > > On Fri, Jan 31, 2014 at 8:16 PM, Dimitre Novatchev <dnovatchev@xxxxxxxxx> wrote: >> 1. There is no source XML document provided. >> 2. It isn't clear if any/all "a" element(s) must be a child of a >> "person" element. >> 3. What is "key table" ? I haven't heard of such thing. >> 4. No example of the wanted result (that should be produced when the >> transformation is applied upon the specific provided source XML >> document) is provided. >> 5. The xsl:key declaration name "person" is confusing, because what is >> matched is an "a" element -- not a "person" element >> >> This is obviously ambiguous and rather undefined. >> >> To prevent (wrong) guesses to 1 - 4 above, please enter a >> well-defined, unambiguous question. >> >> Also, please, note that if the solution to a problem is unknown, it is >> better *not* to provide any transformation code -- we know in advance >> that this code doesn't solve the problem. >> >> >> >> On Fri, Jan 31, 2014 at 11:53 AM, Ihe Onwuka <ihe.onwuka@xxxxxxxxx> wrote: >>> <xsl:import href="identity.xsl"/> >>> <xsl:key name="person" match="a" use="@href"/> >>> >>> <xsl:template match="person"> >>> <duplicate> >>> <xsl:apply-templates select="a[key('person',@href)[ >>> 2]]"/> >>> </duplicate> >>> </xsl:template> >>> >>> If it's simple I should be able to describe it simply. Here goes. >>> >>> Copy all a elements that have more than one entry in the key table >>> indexed by their value in the href attribute. >>> >>> or maybe better....... >>> >>> Create a key table using the href from each a element and copy all the >>> entries that occur more than once in it. >>> >>> >>> >>> On Fri, Jan 31, 2014 at 7:34 PM, Dimitre Novatchev <dnovatchev@xxxxxxxxx> wrote: >>>> On Fri, Jan 31, 2014 at 11:28 AM, Ihe Onwuka <ihe.onwuka@xxxxxxxxx> wrote: >>>>> http://www.biglist.com/lists/lists.mulberrytech.com/xsl-list/archives/201211/msg00170.html >>>>> >>>>> OP is using XSLT 2. OP only wants to find what things have duplicates. >>>>> Thats not a grouping problem, it's a problem that a certain variant of >>>>> for-each-group happens to solve but it's not the simplest way of >>>>> solving it. >>>> >>>> "Things that have duplicates" is exactly what we shouldn't be seeing >>>> here -- to ambiguous (things, duplicates). >>>> >>>> And "simple" is also very subjective. Do you mean "short", or what? >>>> Does "simple" also mean efficient? Or should efficiency be of lower >>>> priority? >>>> >>>> As for "Things that have duplicates" -- see this -- just XPath 2 -- >>>> not even XSLT: >>>> >>>> >>>> http://stackoverflow.com/a/287360/36305 >>>> >>>> >>>> >>>> -- >>>> Cheers, >>>> Dimitre Novatchev >>>> --------------------------------------- >>>> Truly great madness cannot be achieved without significant intelligence. >>>> --------------------------------------- >>>> To invent, you need a good imagination and a pile of junk >>>> ------------------------------------- >>>> Never fight an inanimate object >>>> ------------------------------------- >>>> To avoid situations in which you might make mistakes may be the >>>> biggest mistake of all >>>> ------------------------------------ >>>> Quality means doing it right when no one is looking. >>>> ------------------------------------- >>>> You've achieved success in your field when you don't know whether what >>>> you're doing is work or play >>>> ------------------------------------- >>>> To achieve the impossible dream, try going to sleep. >>>> ------------------------------------- >>>> Facts do not cease to exist because they are ignored. >>>> ------------------------------------- >>>> Typing monkeys will write all Shakespeare's works in 200yrs.Will they >>>> write all patents, too? :) >>>> ------------------------------------- >>>> I finally figured out the only reason to be alive is to enjoy it. >>> >> >> >> >> -- >> Cheers, >> Dimitre Novatchev >> --------------------------------------- >> Truly great madness cannot be achieved without significant intelligence. >> --------------------------------------- >> To invent, you need a good imagination and a pile of junk >> ------------------------------------- >> Never fight an inanimate object >> ------------------------------------- >> To avoid situations in which you might make mistakes may be the >> biggest mistake of all >> ------------------------------------ >> Quality means doing it right when no one is looking. >> ------------------------------------- >> You've achieved success in your field when you don't know whether what >> you're doing is work or play >> ------------------------------------- >> To achieve the impossible dream, try going to sleep. >> ------------------------------------- >> Facts do not cease to exist because they are ignored. >> ------------------------------------- >> Typing monkeys will write all Shakespeare's works in 200yrs.Will they >> write all patents, too? :) >> ------------------------------------- >> I finally figured out the only reason to be alive is to enjoy it. > -- Cheers, Dimitre Novatchev --------------------------------------- Truly great madness cannot be achieved without significant intelligence. --------------------------------------- To invent, you need a good imagination and a pile of junk ------------------------------------- Never fight an inanimate object ------------------------------------- To avoid situations in which you might make mistakes may be the biggest mistake of all ------------------------------------ Quality means doing it right when no one is looking. ------------------------------------- You've achieved success in your field when you don't know whether what you're doing is work or play ------------------------------------- To achieve the impossible dream, try going to sleep. ------------------------------------- Facts do not cease to exist because they are ignored. ------------------------------------- Typing monkeys will write all Shakespeare's works in 200yrs.Will they write all patents, too? :) ------------------------------------- I finally figured out the only reason to be alive is to enjoy it.
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