Subject: Re: [xsl] XPath 1.0 challenge: select all XML Schema element declarations with type string From: "Dimitre Novatchev dnovatchev@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Sun, 19 Jul 2015 21:59:31 -0000 |
And here is a general example xsd schema on which to evaluate the XPath 2.0 expression in the previous message: <schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:ab="http://www.w3.org/2001/XMLSchema"> <element name="shipto"> <complexType> <sequence> <element name="name" type="string"/> <ab:element name="address" type="string"/> <element name="city" type="ab:string"/> <element name="country" type="string"/> </sequence> </complexType> </element> </schema> On Sun, Jul 19, 2015 at 2:32 PM, Dimitre Novatchev <dnovatchev@xxxxxxxxx> wrote: > I believe that in its most general form this problem doesn't have a > pure XPath 1.0 solution (though it is easy if we are allowed to use > XSLT 1.0). > > We either need the feature of range variables, or the feature of being > able to specify a function call as the last location step in a path > expression. > > Here is one XPath 2.0 expression (only the last line of the last > predicate uses XPath 2.0 (the call to name() in the ending location > step): > > > //*[local-name()='element' and > namespace-uri()='http://www.w3.org/2001/XMLSchema' > and > ( > @type[. = 'string' > and (//namespace::*[. = > 'http://www.w3.org/2001/XMLSchema' and not(name())]) > or translate(., > '_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', '')=':' > and substring-after(., ':') = 'string' > and not(substring(.,1,1) = ':') > and substring-before(., ':') = //namespace::*[. = > 'http://www.w3.org/2001/XMLSchema']/name() > ] > ) > ] > > On Sun, Jul 19, 2015 at 12:58 PM, Costello, Roger L. > costello@xxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: >> Hi Folks, >> >> The following XPath expression returns all XML Schema element declarations with @type equal to xs:string: >> >> //xs:element[@type = 'xs:string'] >> >> However, that XPath assumes the schema file is written with a namespace prefix, like this: >> >> <xs:element name="Test" type="xs:string" /> >> >> But the schema file could have been written like this: >> >> <element name="Test" type="string" /> >> >> The above XPath expression would fail to return that element declaration. >> >> Is there a way -- in XPath 1.0 -- to write an XPath expression which returns all element declarations of type string? >> >> /Roger >> > > > > -- > 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? :) > ------------------------------------- > Sanity is madness put to good use. > ------------------------------------- > 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? :) ------------------------------------- Sanity is madness put to good use. ------------------------------------- I finally figured out the only reason to be alive is to enjoy it.
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