RE: [xsl] Root when the current node is part of Parameter Result Tree Fragement/Nodelist

["Michael Kay" <mhk@xxxxxxxxx>]

Declare a global variable

<xsl:variable name="main-doc" select="/"/>

And then write the key() call as

$main-doc/key('k', $ObjectName/Name)

Since this is an XPath 2.0 construct, I'd suggest changing your stylesheet
to say version="2.0" so everyone knows it depends on a 2.0 processor. In
1.0, you have to use

<xsl:for-each select="$main-doc">
  .. key('k', $ObjectName/Name)
</xsl:for-each>

Michael Kay 

# -----Original Message-----
# From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx [mailto:owner-xsl-
# list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Colin Toal
# Sent: 09 March 2004 21:45
# To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
# Subject: [xsl] Root when the current node is part of Parameter Result Tree
# Fragement/Nodelist
# 
# Hi all,
# 
# I hope I'm not breaking etiquette, but I could not find an answer to this
# in
# the FAQ or archives.
# 
# I have an XML source document like this:
# 
# <Objects>
#    <Object>
#        <Name>Toothbrush</Name>
#        <Type>Electric</Type>
#        <Colour>White</Type>
#    </Object>
#    <Object>
#       <Name>Soap Dish</Name>
#       <Type>Plastic</Type>
#       <Colour>Blue</Colour>
#    <Object>
# </Objects>
# 
# I process it with a stylesheet like this:
# 
# <?xml version="1.0" encoding="UTF-8"?>
# <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
# version="1.1">
# <xsl:key name="kObject" match="Object" use="Name"/>
# <xsl:param name="ObjectName" />
# <xsl:param name="OtherExpr" />
# 
# <xsl:template match="/Objects">
#    <FoundObject>
#        <xsl:apply-templates select="key('kObject', $ObjectName/Name)"/>
#    </FoundObject>
# </xsl:template>
# 
# <xsl:template match="Object">
#     <xsl:copy-of select="."/>
#     <xsl:apply-templates select="$OtherExpr/ParamColour"/>
# </xsl:template>
# 
# <xsl:template match="ParamColour">
#     <xsl:if test="current() = key('kObject', $ObjectName/Name)/Colour">
#          Is the same colour!
#     </xsl:if>
# </xsl:template>
# 
# I process the XML document with this Stylesheet using SAXON 7.8 in Java,
# and
# I pass a DOMSource object into each of the parameters that looks like the
# following:
# 
# For ObjectName Param
# <Name>Toothbrush</Name>
# 
# For Other Expr Param:
# <ParamColour>White</ParamColour>
# 
# The problem is that - within the context of the ParamColour matching
# template, the key object doesn't seem to be defined - in fact, even root
# of
# this context node ( i.e. <xsl:copy-of select="//" /> is only the Parameter
# contents. This makes me very sad.
# 
# Is there a keyword or expression I can use to get the originally processed
# document while I am in the context of a node from an RTREEFRAG or external
# parameter nodeset ?
# 
# Thanks in advance for your help,
# Colin Toal
# 
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