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RE: Testing the number of child elements
- To: "'xsl-list at mulberrytech dot com'" <xsl-list at mulberrytech dot com>
- Subject: RE: Testing the number of child elements
- From: Kay Michael <Michael dot Kay at icl dot com>
- Date: Thu, 10 Feb 2000 16:25:33 -0000
- Reply-To: xsl-list at mulberrytech dot com
You only have one <apply> element with a <plus> child. The <xsl:for-each> is
being applied to the children of that <apply> element other than the first
and last. These are both <apply> elements (one is <apply><power> and the
other is <apply><times>). Both these <apply> elements have 3 children
(each). Therefore the test fails, and the otherwise branch is taken.
test="count(current()/child::*)=1" is correct, but it is a rather
complicated way of saying
test="count(*)=1".
> So I've written <ENTITY InvisibleTimes "&#E89E;">
You should have written <!ENTITY and 
Mike Kay
> -----Original Message-----
> From: Emmanuel Pietriga [mailto:emmanuel.pietriga@xrce.xerox.com]
> Sent: 10 February 2000 13:52
> To: XSL-List@mulberrytech.com
> Subject: Testing the number of child elements
>
>
> Hi.
>
> Here's my problem: I want to test if the current node (plus) has one
> child or more (I don't output the same thing if it has one child
> element or more than one). And I want to do this for all
> elements "plus"
> of "apply" using a for-each.
> I am saying that current node is (plus) because I think it is
> true when
> we are in the for-each loop. Am I right? That is, does current()
> actually returns the "plus" element?
>
> Here is what I do, but it doesn't work (XT always chooses the
> "otherwise" solution)
>
> <xsl:template match="apply[plus]">
> <xsl:for-each select="child::*[position()!=last() and
> position()!=1]">
> <xsl:choose>
> <xsl:when test="count(current()/child::*)=1">
> <xsl:apply-templates select="."/><mo>+</mo>
> </xsl:when>
> <xsl:otherwise>
> <mrow><xsl:apply-templates select="."/></mrow><mo>A</mo>
> </xsl:otherwise>
> </xsl:choose>
> </xsl:for-each>
> </xsl:template>
>
>
>
> The XML source is:
> <apply>
> <eq/>
> <apply>
> <plus/>
> <apply>
> <power/>
> <ci>x</ci>
> <cn>2</cn>
> </apply>
> <apply>
> <times/>
> <cn>4</cn>
> <ci>x</ci>
> </apply>
> <cn>4</cn>
> </apply>
> <cn>0</cn>
> </apply>
>
>
> Emmanuel.
>
> By the way, I have another little question: I've included a DOCTYPE in
> my stylesheet because I define entity references in it.
> One of these entities is InvisibleTimes. I know its unicode is E89E
> So I've written <ENTITY InvisibleTimes "&#E89E;">, but XT tells me
> "character not allowed"
> What can I Do?
>
>
> Thanks.
>
>
> --
> emmanuel.pietriga@xrce.xerox.com | Xerox
> Research Centre Europe
> Document Model and Transformation Technologies | 6, Chemin
> de Maupertuis
> +33 4 76 61 50 32 (direct) | 38240 Meylan, France
> +33 4 76 61 50 50 (switchboard) |
http://www.xrce.xerox.com
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