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Thanuja RaoSubject: Trying to access the position of an element based on its attribute value
Author: Thanuja Rao
Date: 28 Apr 2008 11:34 AM
Hi All,

My input XML looks like this where in there can be only one OUT containing SCORE="1" for a given ROOT
<ROOT>
<ANS>
<CH ID="0"/>
<CH ID="2"/>
<CH ID="1"/>
<CH ID="3"/>
</ANS>
<OUT SCORE="0"><COND>"0"</COND></OUT>
<OUT SCORE="1"><COND>"3"</COND></OUT>
<OUT SCORE="0"><COND>"1"</COND></OUT>
<OUT SCORE="0"><COND>"2"</COND></OUT>
</ROOT>

My XSL looks like this

<xsl:template match="OUT">
<xsl:if test="@SCORE='1'">
<xsl:variable name="cond">
<xsl:value-of select="translate(COND,'&quot;','')"/>
</xsl:variable>
<xsl:variable name="pos">
<xsl:if test="../ANS/CH[@ID='$cond']">
<xsl:value-of select="position()"/>
</xsl:if>
</xsl:variable>
<xsl:number value="$pos" format="a"/>
</xsl:if>
</xsl:template>

I want it to display the output as 'd'. Basically, what I am expecting here is the position of the CH element whose ID matches with the COND whose SCORE=1.

Any resolution to this problem at the earliest would be great.
Thank you so very much!
Regards,
Tan

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Tony LavinioSubject: Trying to access the position of an element based on its attribute value
Author: Tony Lavinio
Date: 28 Apr 2008 10:33 PM
1. Which version of Stylus Studio are you using?
2. Is this a real problem, or are we helping you with your homework?
We've had several students asking for help with actual school assignments.
If this is just you learning XSLT, we apologize in advance.

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Thanuja RaoSubject: Trying to access the position of an element based on its attribute value
Author: Thanuja Rao
Date: 29 Apr 2008 12:21 AM
Hi,

I am not a student and I am actually facing this problem at work. This is just a small part of the entire XSL that i have written.

<xsl:template match="OUT">
<xsl:if test="@SCORE='1'">
<xsl:variable name="cond">
<xsl:value-of select="translate(COND,'&quot;','')"/>
</xsl:variable>
<xsl:variable name="pos">
<xsl:if test="../ANS/CH[@ID=$cond]">
<xsl:value-of select="position()"/>
</xsl:if>
</xsl:variable>
<xsl:number value="$pos" format="a"/>
</xsl:if>
</xsl:template>

As of now, this is generating some weird position values which is much greater than the value that I am expecting. Could you please help?

Regards,
Thanuja

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Alberto MassariSubject: Trying to access the position of an element based on its attribute value
Author: Alberto Massari
Date: 29 Apr 2008 06:15 AM
Hi Thanuja,
if I understand it correctly, your "position of the CH element" is just the computation of count(../ANS/CH[@ID='$cond']/preceding-sibling::CH)+1

Alberto

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Thanuja RaoSubject: Trying to access the position of an element based on its attribute value
Author: Thanuja Rao
Date: 29 Apr 2008 06:56 AM
Thank you so much Alberto

It works fine

 
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