If you read the rules for value-of, you'll see that adjacent text nodes in
the sequence are concatenated first, before inserting the separator. So if
you have a sequence of text nodes, no separator is inserted. It's important
here to understand the subtle distinction between text nodes and strings.
The difference is necessary to ensure that you get the expected and
traditional result from something like
<xsl:function name...>
<xsl:param name="p" as="xs:string"/>
<xsl:text>(</xsl:text>
<xsl:value-of select="$p"/>
<xsl:text>)</xsl:text>
</xsl:function>
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: Abel Braaksma [mailto:abel(_dot_)online(_at_)xs4all(_dot_)nl]
Sent: 02 February 2007 17:18
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] value-of w/separator and nodes
Hi List,
What I understood from the value-of with the separator
attribute set is that, for each item in the result set from
the select attribute, xpath casting rules are applied, the
separator string is appended and so on. I.e.:
<xsl:value-of select=" ('t', 'e', 's', 't') " separator="|" />
gives: t|e|s|t
When the values 't', 'e' etc, are returned from a function,
it does not work anymore, unless I provide the function with
a type 'xs:string' (or any other atomic type).
<xsl:value-of select="(for $i in 1 to 100 return my:test())"
separator="|" />
<xsl:function name="my:test" as="xs:anyAtomicType">
<xsl:text>1</xsl:text>
</xsl:function>
returns 1|1| etc, but:
<xsl:value-of select="(for $i in 1 to 100 return my:test())"
separator="|" />
<xsl:function name="my:test" >
<xsl:text>1</xsl:text>
</xsl:function>
returns 11111
I suspect it has to do with the result being a node() of type text.
However, still the normal casting rules should apply to each
item, not?
Can someone clarify this a bit for me?
Cheers,
-- Abel Braaksma
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