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Re: Finding the position of an ancestor

Subject: Re: Finding the position of an ancestor
From: Nicholas Orr <nick@xxxxxxxxxxx>
Date: Wed, 21 Dec 2005 07:58:09 +1100
ancestor position

thanks for that. I think that's the path I'll need to take (Pun intended).w


On 21/12/2005, at 6:19 AM, Xia Li wrote:

I think you need a way to select the sequence of <Step> nodes under each
<StepList> so that you can get the position of a <Step> node in the
sequence via position() function, and then call the template on the node

Something like this,

        <xsl:for-each select=".//StepList">
            <xsl:for-each select="./Step">
                <xsl:variable name="pos"><xsl:value-of
                    <xsl:with-param name="pos"><xsl:value-of

<xsl:template match="Field"> <xsl:param name="pos"></xsl:param> <xsl:value-of select="ancestor::Step[1]/@name" /> <xsl:value-of select="$pos"/>


In this instruction,
<xsl:value-of select="ancestor::Step[1]/ @name" />
the right side expression of the "ancestor::Step[1]/@name" produces the
attribute node of the nodes selected by the "ancestor::Step[1]", while
the right side expression of the expression
"ancestor::Step[1]/position()" yields the integers instead of nodes. I
think that's why the processor throws exception on the instruction
<xsl:value-of select="ancestor::Step[1]/position()"/>


-----Original Message-----
From: Nicholas Orr [mailto:nick@xxxxxxxxxxx]
Sent: Monday, December 19, 2005 6:40 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject:  Finding the position of an ancestor

I was wondering if someone can help me work out a position issue I'm
struggling with.

I've got some XML that has is in it :

                     <Step id="1" name="Perform Script" enable="True">
                                <Chunk type="FieldRef">
                                     <Field id="32867" name="cPref
Server Temp Folder" table="gPrefs" />

Then in the xslt I run a for each loop

                 <xsl:for-each select="/FMPReport/File/
                     <xsl:call-template name="RESULTSET" />

which works fine, and I can get the data I need.  I grab the name
from the Step using :

<xsl:value-of select="ancestor::Step[1]/@name" />

But how do I grab the step number? For example I want to know that
this is step 4 in this script, by counting how many <Step> elements
there are in the current <Script> element. I thought it would just be :

                    <xsl:value-of select="ancestor::Step[1]/position

But that doesn't work, and gives me a parsing error.  Am I maybe
going about the whole thing wrong?


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