Subject: Re: [xsl] [XSLT 2.0] Determining the datatype of the value returned from a function? From: David Carlisle <davidc@xxxxxxxxx> Date: Fri, 17 Jun 2005 17:11:00 +0100 |
> For example, if the function returns > the integer 5 then: > > "$value instance of xs:integer" > > should yield true That will be true automatically: you don't have to declare it. Values always have some type and instance of will check that type (at run time). <xsl:value-of select="$num"/> value-of always generates a text node with string value the serialisation of the value supplied, so you will always lose type information that way. You want xsl:sequence if you want to return values other than text. <xsl:function name="ex:Test"> <xsl:param name="letter"/> <xsl:choose> <xsl:when test="$letter eq 'A'"> <xsl:sequence select="5""/> </xsl:when> <xsl:when test="$letter eq 'B'"> <xsl:sequence select="xsd:decimal(5.0)""/> </xsl:when> ... <xsl:otherwise> <xsl:value-of select="'Error'"/> </xsl:otherwise> </xsl:choose> </xsl:function> David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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