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Re: behavior of xsl:value-of with empty string
- From: Dimitre Novatchev <dnovatchev at yahoo dot com>
- To: xsl-list at lists dot mulberrytech dot com
- Date: Mon, 30 Sep 2002 21:58:22 -0700 (PDT)
- Subject: [xsl] Re: behavior of xsl:value-of with empty string
- Reply-to: xsl-list at lists dot mulberrytech dot com
--- "Lars Nyman" <larsnyman at 14designs dot com> wrote:
> The XSLT spec says that the xsl:value-of element creates a text node
> in
> the
> result tree, but if the string is empty, no text node should be
> created. I
> have a situation where a rtf is initially bound to a variable, then
> converted to a nodeset using an extension function and I am, thus,
> able
> to
> detect the processor's (lack of) adherence to this rule. And I
> believe
> msxml may not be following the spec. Can someone, please, confirm my
> suspicion or correct my misunderstanding?
>
> If I run the stylesheet below, I get the following output:
>
> test id=1: count(child::node())=1, expected 0
> test id=2: count(child::node())=0, expected 0
> test id=3: count(child::node())=3, expected 1
> test id=4: count(child::node())=2, expected 1
> test id=5: count(child::node())=2, expected 1
> test id=6: count(child::node())=1, expected 1
> test id=7: count(child::node())=1, expected 1
> test id=8: count(child::node())=1, expected 1
> test id=9: count(child::node())=3, expected 2
>
> whereas I had expected to get:
>
> test id=1: count(child::node())=0, expected 0
> test id=2: count(child::node())=0, expected 0
> test id=3: count(child::node())=1, expected 1
> test id=4: count(child::node())=1, expected 1
> test id=5: count(child::node())=1, expected 1
> test id=6: count(child::node())=1, expected 1
> test id=7: count(child::node())=1, expected 1
> test id=8: count(child::node())=1, expected 1
> test id=9: count(child::node())=2, expected 2
>
> Lars
>
>
> <?xml version="1.0"?>
> <xsl:transform version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
> xmlns:msxsl="urn:schemas-microsoft-com:xslt"
> exclude-result-prefixes="msxsl">
>
> <xsl:template match="/">
> <xsl:variable name="tests-rtf">
> <tests>
> <test id="1" children="0"><xsl:value-of select="''"/></test>
> <test id="2" children="0"><xsl:value-of
> select="''"/><xsl:value-of
> select="''"/></test>
> <test id="3" children="1"><xsl:value-of
> select="''"/><element/><xsl:value-of select="''"/></test>
>
> <test id="4" children="1"><xsl:value-of
> select="''"/><xsl:value-of
> select="''"/><element/><xsl:value-of select="''"/></test>
> <test id="5" children="1"><xsl:value-of
> select="''"/><element/><xsl:value-of select="''"/><xsl:value-of
> select="''"/></test>
> <test id="6" children="1"><xsl:value-of
> select="''"/><xsl:value-of
> select="''"/><element/><xsl:value-of select="''"/><xsl:value-of
> select="''"/></test>
>
> <test id="7" children="1"><xsl:value-of
> select="'1'"/><xsl:value-of
> select="''"/></test>
> <test id="8" children="1"><xsl:value-of
> select="'1'"/><xsl:value-of
> select="''"/><xsl:value-of select="''"/></test>
> <test id="9" children="2"><xsl:value-of
> select="'1'"/><xsl:value-of
> select="''"/><element/><xsl:value-of select="''"/></test>
> </tests>
> </xsl:variable>
>
> <xsl:for-each select="msxsl:node-set($tests-rtf)/tests/test">
> test id=<xsl:value-of select="@id"/>:
> count(child::node())=<xsl:value-of select="count(child::node())"/>,
> expected
> <xsl:value-of select="@children"/><br/>
> </xsl:for-each>
> </xsl:template>
Hi Lars,
It seems you're right. The same stylesheet (with just the ext.
namespace set to that of Saxon) when applied with Saxon, produces the
following result:
test id=1:
count(child::node())=0, expected
0
test id=2:
count(child::node())=0, expected
0
test id=3:
count(child::node())=1, expected
1
test id=4:
count(child::node())=1, expected
1
test id=5:
count(child::node())=1, expected
1
test id=6:
count(child::node())=1, expected
1
test id=7:
count(child::node())=1, expected
1
test id=8:
count(child::node())=1, expected
1
test id=9:
count(child::node())=2, expected
2
=====
Cheers,
Dimitre Novatchev.
http://fxsl.sourceforge.net/ -- the home of FXSL
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