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Re: [xsl] node returned from a user function is no longer a node??

2008-08-11 13:01:20
So it seems that it's being converted to a string for some reason, so I
try to set the function's return type to as="node()" or as="element()"
(don't know the difference) but now the compiler seems to require an
object to always be returned, a case which I don't know how to handle
(returning () causes compiler complaint too).

Probably what you want is:

  element()?

which means that the return type is a sequence of  0 or 1 elements.


-- 
Cheers,
Dimitre Novatchev
---------------------------------------
Truly great madness cannot be achieved without significant intelligence.
---------------------------------------
To invent, you need a good imagination and a pile of junk
-------------------------------------
Never fight an inanimate object
-------------------------------------
You've achieved success in your field when you don't know whether what
you're doing is work or play



On Mon, Aug 11, 2008 at 10:09 AM, Bordeman, Chris
<Chris(_dot_)Bordeman(_at_)wolterskluwer(_dot_)com> wrote:
Consider this variable and the function it calls:

<variable name="buyerfirstaddressnode"
select="fn:getfirstactiveaddressnode(buyer/Addresses)"/>

<xsl:function name="fn:getfirstactiveaddressnode">
 <xsl:param name="addresses"/>
 <xsl:if test="$addresses">
   <xsl:sequence select="addresses/Address[Sequence=1 and
IsActive=1]"/>
 </xsl:if>
</xsl:function>

Now, if I access $buyerfirstaddressnode/StreetName for instance, or any
other member, I get an EMPTY STRING.  However, if I simply output the
$buyerfirstaddressnode variable, I get a string that LOOKS like it
contains the address data I want.

So it seems that it's being converted to a string for some reason, so I
try to set the function's return type to as="node()" or as="element()"
(don't know the difference) but now the compiler seems to require an
object to always be returned, a case which I don't know how to handle
(returning () causes compiler complaint too).

Help please?

Chris

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