xsl:for-each changes the context node, in this case to a node in the result
tree fragment. Path expressions starting with "/" always select nodes within
the tree containing the context node. If you want to select nodes in the
original source tree, create a global variable:
<xsl:variable name="root" select="/"/>
and then select relative to that, e.g. $root/root/foo/bar
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: Alexander Macdonald [mailto:lists(_at_)alexmac(_dot_)cc]
Sent: 16 October 2004 23:54
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] node-set() confusion
I originally posted this question in the xalan-j-users mailinglist
thinking it was a bug in Xalan but after getting the same result with
the saxon xslt processor I'm not too sure...
I'm having problems when using the exslt:node-set() function as well.
I'm not sure if it's related or if I've just missed something
basic but
I'll explain it anyway:
*** here is my xml document:
<root>
<foo>
<bar id="1"/>
<bar id="2"/>
<bar id="3"/>
</foo>
</root>
*** and here is my xslt script:
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:exslt="http://exslt.org/common";>
<xsl:output method="html"/>
<xsl:template match="/">
<xsl:message>correct: <xsl:for-each
select="/root/foo/bar">found! </xsl:for-each></xsl:message>
<xsl:variable name="result-tree-fragment">
<xsl:for-each select="/root/foo/bar">
<bar id="{(_at_)id}"/>
</xsl:for-each>
</xsl:variable>
<xsl:for-each select="/root/foo">
<xsl:message>still correct: <xsl:for-each
select="/root/foo/bar">found! </xsl:for-each></xsl:message>
</xsl:for-each>
<xsl:for-each
select="exslt:node-set($result-tree-fragment)/bar">
<xsl:message>broken: <xsl:for-each
select="/root/foo/bar">found!</xsl:for-each></xsl:message>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
when parsed by xalan the output looks like this:
file:/home/test.xsl; Line #10; Column #-1; correct: found!
found! found!
file:/home/test.xsl; Line #19; Column #-1; still correct:
found! found!
found!
file:/home/test.xsl; Line #23; Column #-1; broken:
file:/home/test.xsl; Line #23; Column #-1; broken:
file:/home/test.xsl; Line #23; Column #-1; broken:
I expected it to look like this:
file:/home/test.xsl; Line #10; Column #-1; correct: found!
found! found!
file:/home/test.xsl; Line #19; Column #-1; still correct:
found! found!
found!
file:/home/test.xsl; Line #23; Column #-1; broken: found!
found! found!
file:/home/test.xsl; Line #23; Column #-1; broken: found!
found! found!
file:/home/test.xsl; Line #23; Column #-1; broken: found!
found! found!
can anybody help?
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