I'm using the following partial XPath expression...:
[name()='RED' or name() = 'GREEN' or name() = 'BLUE']
It's almost always better to use the self:: axis rather than name()
(name() is not really reliable if namespaces are in use)
... in several locations in my stylesheet:
<xsl:for-each select="/*/*[1]/*[name()='RED' or name() = 'GREEN' or
name() = 'BLUE']">
<xsl:for-each select="*[name()='RED' or name() = 'GREEN' or name() =
'BLUE']">
better to do /*/*[1]/*[self::RED or self::GREEN or self::BLUE]
or, if you are using XSLT2 draft,
/*/*[1]/(RED|GREEN|BLUE)
Is it possible to store a fragment of an XPath expression in a
variable
No. Variables store values not expressions so this is not posisble.
If you are selecting the same nodes then of course you can save the
selected node set in a variable, but if you are selecting different
nodes then you can't use a variable.
or is there another method of eliminating redundancy that I'm
not aware of?
XML has a standard macro pre-processor that you can use if you want,
<!DOCTYPE xsl:stylesheet [
<!ENTITY mypath "*[self::RED or self::GREEN or self::BLUE]">
]
<xsl:stylesheet
...
<xsl:for-each select="/*/*[1]/&mypath;">
...
Thanks in advance,
Jason
David
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