Subject: Re: [xsl] Question about variable definition and types From: Michael Müller-Hillebrand <mmh@xxxxxxxxxxxxx> Date: Fri, 7 Mar 2008 16:02:55 +0100 |
Thanks a lot -- even on Friday afternoon one can learn some interesting XSL!
If you go
<xsl:variable name="a2" as="element()*"> <xsl:sequence select="a"/> </xsl:variable>
Then in both cases the a element nodes are siblings, but
in $a2 they are the original a nodes in the source document (so necessarily siblings as they are selected by the xpath "a" so all children of the current node at that point. In this case $a2 holds these nodes, and they are (still) siblings, but they may have other siblings not contained in the variable, and their parent node is similarly not cotained in the variable.
If I process the content of $a2 I would assume that preceding/ following-sibling axis only "sees" the siblings in the variable. Your explanation makes me thinking (and a quick test with Kernow's sandbox ensures that) this is not true.
<root> <a/> <b/> <a/> <a/> <c/> </root>
<xsl:template match="root"> <xsl:variable name="a2" as="element()*"> <xsl:sequence select="a"/> </xsl:variable> <xsl:copy> <xsl:for-each select="$a2"> <xsl:copy> <xsl:attribute name="pos" select="position()"/> <xsl:attribute name="pre" select="name(preceding-sibling::* [1])"/> </xsl:copy> </xsl:for-each> </xsl:copy> </xsl:template>
<root> <a pos="1" pre=""/> <a pos="2" pre="b"/> <a pos="3" pre="a"/> </root>
How would I access the preceding/following siblings from "inside" the variable with the as attribute?
-- _______________________________________________________________ Michael M|ller-Hillebrand: Dokumentations-Technologie Adobe Certified Expert, FrameMaker Lvsungen und Training, FrameScript, XML/XSL, Unicode <http://cap-studio.de/> -- Tel. +49 (9131) 28747
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