Subject: Re: [xsl] XPath 1.0 challenge: select all XML Schema element declarations with type string From: "David Carlisle d.p.carlisle@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Fri, 24 Jul 2015 22:07:02 -0000 |
> 3. The following two XPath expressions come close to solving the > problem. However, sometimes they return an element which should not be > returned and sometimes they don't return an element which should be > returned. > > (a) //xs:element[(@type = 'string') or (substring-after(@type, ':') = 'string')] > > (b) //xs:element[@type= concat(substring-before(name(),'element'),'string')] > > I must use XPath 1.0. So which of those two XPath expressions would > you recommend I use? I think you are missing the namespace axis, anyway here are three different xpaths that give three different results, take your pick.... (wrapped in XSLT but no XSLT used other than acting as a container for the xpath) ====================== <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsd="http://www.w3.org/2001/XMLSchema" > <xs:element id="a" type="xs:string"/> <xs:element id="b" type="xsd:string"/> <xs:element xmlns:xsd="http://notXMLSchema" id="c" type="xsd:string"/> <xs:element id="d" type="string"/> <xs:element id="e" type="z:string"/> <xs:element id="f" type=" xs:string "/> </xs:schema> =================== <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" > <xsl:output indent="yes"/> <xsl:template match="/"> <x xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <aaaa> <xsl:copy-of select="//xs:element[(@type = 'string') or (substring-after(@type, ':') = 'string')]"/> </aaaa> <bbbb> <xsl:copy-of select="//xs:element[@type= concat(substring-before(name(),'element'),'string')]"/> </bbbb> <cccc> <xsl:copy-of select="//xs:element[ (normalize-space(@type) = 'string') or (substring-after(normalize-space(@type), ':') = 'string' and namespace::*[.='http://www.w3.org/2001/XMLSchema'] [name()=substring-before(normalize-space(../@type), ':')])]"/> </cccc> </x> </xsl:template> ============== producing <aaaa> <xs:element id="a" type="xs:string"/> <xs:element id="b" type="xsd:string"/> <xs:element xmlns:xsd="http://notXMLSchema" id="c" type="xsd:string"/> <xs:element id="d" type="string"/> <xs:element id="e" type="z:string"/> </aaaa> <bbbb> <xs:element id="a" type="xs:string"/> </bbbb> <cccc> <xs:element id="a" type="xs:string"/> <xs:element id="b" type="xsd:string"/> <xs:element id="d" type="string"/> <xs:element id="f" type=" xs:string "/> </cccc> David
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