You can select the first NatureInterestCd = LIEN, using the predicate
AdditionalInterestInfo[NatureInterestCD='LIEN'][1]
In XPath 2.0 you can then exclude this from your result set by using the
"except" operator, and similarly for the other exclusions.
It's harder to do "A except B" in XPath 1.0: EXSLT offers a set:difference()
extension function, or you can use logic based on generate-id() or on the
formula
A[count(.|B) != count(B)]
Alternatively, you can use a predicate such as
AdditionalInterestInfo[not(NatureInterestCD='LIEN' and
not(preceding-sibling::*[NatureInterestCD='LIEN']))]
Michael Kay
-----Original Message-----
From: Dale Earnest
[mailto:dale(_dot_)earnest(_at_)backbaytechnologies(_dot_)com]
Sent: 11 August 2004 01:01
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] XSL Problem
I've run into a difficult xslt problem and I was hoping
someone may have some insight.
I have an XML structure that looks like this (the '...'s
represent nodes that aren't directly relevant to the question
and are omitted):
<PersAutoInsurance>
<PersVeh>
...
<AdditionalInterest>
<AdditionalInterestInfo>
<NatureInterestCd>ADDIN</NatureInterestCd>
</AdditionalInterestInfo>
</AdditionalInterest>
<AdditionalInterest>
...
<AdditionalInterestInfo>
<NatureInterestCd>LIEN</NatureInterestCd>
</AdditionalInterestInfo>
</AdditionalInterest>
<AdditionalInterest>
...
<AdditionalInterestInfo>
<NatureInterestCd>LIEN</NatureInterestCd>
</AdditionalInterestInfo>
</AdditionalInterest>
</PersVeh>
<PersVeh>
<AdditionalInterest>
...
<AdditionalInterestInfo>
<NatureInterestCd>ADDIN</NatureInterestCd>
</AdditionalInterestInfo>
</AdditionalInterest>
<AdditionalInterest>
...
<AdditionalInterestInfo>
<NatureInterestCd>LIEN</NatureInterestCd>
</AdditionalInterestInfo>
</AdditionalInterest>
<AdditionalInterest>
...
<AdditionalInterestInfo>
<NatureInterestCd>AIL</NatureInterestCd>
</AdditionalInterestInfo>
</AdditionalInterest>
</PersVeh>
</PersAutoInsurance>
What I'm trying to do is select NatureInterestCd's based on
the following criteria:
1) I cannot accept the first NatureInterestCd = LIEN for each
vehicle (but may accept any subsequent for processing)
2) I cannot accept the first NatureInterestCd = AIL for each
vehicle (but may accept any subsequent for processing)
2) I can accept any other node
I attempted to use this type of statement to get the nodes
and loop over them:
<xsl:for-each
select="PersAutoInsurance/PersVeh/AdditionalInterest/Additiona
lInterestInfo[not(NatureInterestCd = 'LIEN') and
not(NatureInterestCd = 'AIL')]">
But that eliminates all nodes, not simply the first. I tried
adding in a position() qualifier, but that ended up only
checking the first node in the whole node-set selected.
I tried
generate-id(PersAutoInsurance/PersVeh[1]/AdditionalInterest/Ad
ditionalInterestInfo[NatureInterestCd = 'LIEN'][1]) as that XPATH returns
the LIEN I don't > want (I had to use it in another part of the xsl), but
the ID
it generated wasn't the same as the ID that was being
generated when I looped over the all the NatureInterestCd's,
so I couldn't eliminate the node based on that.
I'm nearing my wits end on this problem and I was hoping that
someone could give some insight into this problem.
Dale Earnest
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