RE: [xsl] sort problem

["Robert Koberg" <rob@xxxxxxxxxx>]

Hi Ed (how are things? Long time no speak :),

As to a work around I would do something like:
...
<xsl:apply-templates select="/test/data/list">
  <xsl:sort select="@pos"/>
</xsl:apply-templates>
...
<xsl:template match="list">
  <xsl:variable name="id" select="@id"/>
  <xsl:apply-templates select="/test/content/listgroup/list[@id=$id]"/>
</xsl:template>

This should work in all...

Best,
-Rob


> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx [mailto:owner-xsl-
> list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Edward Maesen
> Sent: Sunday, October 19, 2003 1:30 PM
> To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx
> 
> 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="'&#x0A;'"/>
> 		<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="'&#x0A;'"/>
> 	</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
> 
> 
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