Subject: RE: [xsl] sort problem From: "Michael Kay" <mhk@xxxxxxxxx> Date: Sun, 19 Oct 2003 23:33:34 +0100 |
IIRC this is a bug that has been reported before, relating to the use of current() in an xsl:sort expression. Michael Kay > -----Original Message----- > From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of > Edward Maesen > Sent: 19 October 2003 21:30 > To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] sort problem > > > I've run into a sort problem with MSXML4 and wonder if it's a > bug in that processor or expected behavior. Basically, the > problem seems to be related to a sort where the select starts > at the document node. See stylesheet and sample XML below. > > The stylesheet (sortTest.xsl): > ============================== > <?xml version="1.0" encoding="UTF-8"?> > <xsl:stylesheet version="1.0" > xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> > <xsl:template match="/"> > <xsl:value-of select="'
'"/> > <xsl:apply-templates select="test/content/listgroup"/> > </xsl:template> > <xsl:template match="listgroup"> > <xsl:apply-templates select="list"> > <!-- the next sort statement is > supposed to sort by @pos, but has no effect in MSXML4. It > does work as expected in MSXML3, Xalan 1.4 and Saxon 6.5 --> > <xsl:sort > select="/test/data/list[@ref=current()/@id]/@pos"/> > </xsl:apply-templates> > </xsl:template> > <xsl:template match="list"> > <xsl:value-of select="@id"/> - <xsl:value-of > select="/test/data/list[@ref=current()/@id]/@pos"/> - > <xsl:value-of select="."/> > <xsl:value-of select="'
'"/> > </xsl:template> > </xsl:stylesheet> > > > The source XML: > =============== > <?xml version="1.0" encoding="UTF-8"?> > <?xml-stylesheet type="text/xsl" href="sortTest.xsl"?> > <test> > <content> > <!-- this is a static pre-defined content > section, with list elements that can be re-ordered by > user/session preferences. --> > <listgroup> > <list id="a" name="first">first list in > content section</list> > <list id="b" name="second">second list > in content section</list> > <list id="c" name="third">third list in > content section</list> > <list id="d" name="fourth">fourth list > in content section</list> > </listgroup> > </content> > <data> > <!-- this is a session-specific section > (appended by an aggregation step after page request) which > contains the desired order of list elements in the above > content section. --> > <list ref="a" pos="3"/> > <list ref="b" pos="4"/> > <list ref="c" pos="2"/> > <list ref="d" pos="1"/> > </data> > </test> > > Expected output: > ================ > d - 1 - fourth list in content section > c - 2 - third list in content section > a - 3 - first list in content section > b - 4 - second list in content section > > Output in MXSML4: > ================= > a - 3 - first list in content section > b - 4 - second list in content section > c - 2 - third list in content section > d - 1 - fourth list in content section > > > In MSXML4 I get the output in document order, in stead of my > desired/expected output. I rewrote the sort select using keys > but got the same result. > > I tested in MSXML3, Xalan 1.4 and Saxon 6.5, which gave the > desired result. Did I run into an MSXML4 bug or did the older > processors not implement the XSLT spec correctly? From > reading the spec I don't see why my expected result would not > be allowed so I suspect a bug in MSXML4. Can anybody confirm? > Does anyone have a suggestion for a workaround? > > Thanks, > Edward > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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