Subject: RE: [xsl] XPath2 preceding / following axis and attributes From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Tue, 10 Jan 2006 10:53:42 -0000 |
I think the results here are correct. The text node "205" is a descendant of the element containing the attribute, but it's not a descendant of the attribute, so it is included in the result. Or have I misunderstood? Michael Kay http://www.saxonica.com/ > -----Original Message----- > From: Dimitre Novatchev [mailto:dnovatchev@xxxxxxxxx] > Sent: 10 January 2006 10:11 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: Re: [xsl] XPath2 preceding / following axis and attributes > > On 1/10/06, Michael Kay <mike@xxxxxxxxxxxx> wrote: > > > In fact, it is easy to see that the following two XPath > expressions > > > are equivalent: > > > > > > someElement/@someAttribute/following::someNodeTest > > > > > > and > > > > > > someElement/following::someNodeTest > > > > No, I don't think that's correct. The former includes descendants of > > someElement, the latter doesn't. > > If so, then Saxon 8.6.1 produces an unexpected result: > > When this transformation: > > <xsl:stylesheet version="2.0" > xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > > > > <xsl:output omit-xml-declaration="yes" indent="yes"/> > > <xsl:template match="/"> > <xsl:sequence select= > "/*/Sample/Data[1]/@category/following::node()" > /> > </xsl:template> > </xsl:stylesheet> > > > is applied with Saxon 8.6.1on this source xml document: > > <Performance> > <Sample timestamp="Wednesday, November 30, 2005 5:10:02 PM"> > <Data category="Memory" counter="Available MBytes" > instance="">205</Data> > <Data category="Process" counter="Private Bytes" > instance="lsass">1.397146E+07</Data> > <Data category="Process" counter="Virtual Bytes" > instance="svchost">6.877594E+07</Data> > <Data category="Process" counter="Virtual Bytes" > instance="winword">5.653791E+08</Data> > </Sample> > <Sample timestamp="Wednesday, November 30, 2005 5:10:04 PM"> > <Data category="Memory" counter="Available MBytes" > instance="">192</Data> > <Data category="Process" counter="Private Bytes" > instance="lsass">1.403699E+07</Data> > <Data category="Process" counter="Virtual Bytes" > instance="svchost">6.877594E+07</Data> > <Data category="Process" counter="Virtual Bytes" > instance="winword">5.653791E+08</Data> > </Sample> > </Performance> > > the following result is produced: > > 205 > <Data category="Process" counter="Private Bytes" > instance="lsass">1.397146E+07</Data>1.397146E+07 > <Data category="Process" counter="Virtual Bytes" > instance="svchost">6.877594E+07</Data>6.877594E+07 > <Data category="Process" counter="Virtual Bytes" > instance="winword">5.653791E+08</Data>5.653791E+08 > > <Sample timestamp="Wednesday, November 30, 2005 5:10:04 PM"> > <Data category="Memory" counter="Available MBytes" > instance="">192</Data> > <Data category="Process" counter="Private Bytes" > instance="lsass">1.403699E+07</Data> > <Data category="Process" counter="Virtual Bytes" > instance="svchost">6.877594E+07</Data> > <Data category="Process" counter="Virtual Bytes" > instance="winword">5.653791E+08</Data> > </Sample> > <Data category="Memory" counter="Available MBytes" > instance="">192</Data>192 > <Data category="Process" counter="Private Bytes" > instance="lsass">1.403699E+07</Data>1.403699E+07 > <Data category="Process" counter="Virtual Bytes" > instance="svchost">6.877594E+07</Data>6.877594E+07 > <Data category="Process" counter="Virtual Bytes" > instance="winword">5.653791E+08</Data>5.653791E+08 > > > So, is this a Saxon 8.6.1 bug in handling the "following" axis? > > -- > Cheers, > Dimitre Novatchev > --------------------------------------- > To avoid situations in which you might make mistakes may be the > biggest mistake of all.
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