Re: [xsl] xpath predicate help

Subject: Re: [xsl] xpath predicate help
From: David Carlisle <davidc@xxxxxxxxx>
Date: Thu, 17 Feb 2005 20:45:54 GMT
> This however does work.  If I hard-code the id in below it works, If I use a variable as in above it does not work. 
> Any help would be appreciated.

since teh code is the same  with teh exception that you'd replaced the
variable by '456' then I can only assume the variable doesn't have the
value think it should have (eg it has an extra space or two?)
  [[<xsl:value-of select="$link-target"/>]]
and see what comes out.

A few unrelated observations

		<xsl:variable name="link-target"
			<xsl:value-of select="substring-after(./@linkends,' ')"/>

don't do that here it's just ineffecient but as often comes up you can
get the wrong answer, a result tree fragment isn't needed here you can
just go

		<xsl:variable name="link-target"select="substring-after(./@linkends,' ')"/>

better to do //*[@id=$link-target]/self::grphrim
although // is very slow this is crying out to be done bia a key, see
other threads this week.

				<xsl:variable name="parent_graphic" select="//graphic[grphprim/@id=$link-target]"/>
				<xsl:value-of select="$parent_graphic/@id">

The variable isn't needed, you could just inline the expression (and
again using a key may make orders of magnitude speedup


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