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Re: [xsl] Implementing a (fairly) complex business rule

2008-09-30 09:31:19


It's best to say if you want xslt 2 or 1 since for example

if the value of the DOMICILE element is in a list of
values comprising XG, XH, XI, XK, XL, GG, JE and IM
can be expressed in xpath2 as
 s0:DOMICILE=('XG', 'XH', 'XI', 'XK', 'XL', 'GG', 'JE', 'IM')
which makes things look neater


string-length(s0:POSTCODE/text() = 0)"

text nodes always have string length greater than zero (if they are in
a document) If an element has no text then there is no text node not a
text node of zero length.



You haven't given any indication of the form of your input document, or
the current node at the point that you evaluate your posted code, but
I'd guess that this is wrong and perhaps the cause of the problem.

<xsl:if
test="/s0:HesaSqlExplicit_Response/s0:Institution/s0:Student/s0:Instance
/s0:REDUCEDI = '00'">
  <xsl:if test="s0:DOMICILE='XF'

The first test goes back to the root of the document  to find
s0:REDUCEDI, but is the current node the parent of "s0:DOMICILE and
s0:POSTCODE.


in xslt2 I'd write something like

<xsl:if
test="/s0:HesaSqlExplicit_Response/s0:Institution/s0:Student/s0:Instance
/s0:REDUCEDI = '00'">
 <xsl:if test=" s0:DOMICILE=('XG', 'XH', 'XI', 'XK', 'XL', 'GG', 'JE',
'IM')">
  <xsl:copy-of select="s0:POSTCODE"/>
  <xsl:if test="empty(s0:POSTCODE)">
  <POSTCODE ReasonForNull="1"/>
  </xsl:if>
</xsl:if>


But again, it's not possible to say if this is right or not without
knowing what the source looks like.

David


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