Subject: RE: [xsl] about using templates From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx> Date: Wed, 12 Jun 2002 10:08:05 +0100 |
> prehap it is easier to explain this with an example... > suppose there are 2 > xsl stylesheet (XSL1 and XSL2) > in XSL1 it contain the following: - > > <xsl:template name="key1">fault/unit=key234HrsWft</xsl:template> > <xsl:template name="key2">data</xsl:template> > <xsl:template name="key3">some key</xsl:template> > > in XSL2 i will call the following template to retrieve the > values store in > the three key template: - > > <xsl:template name="query_str"> > <p><xsl:call-template name="key1"/></ip> and > <p><xsl:call-template name="key2"/></p> and > <p><xsl:call-template name="key3"/></p> and > </xsl:template> > so the output result should be: - > <p>key234HrsWft</p> and <p>data</p> and <p>soome key</p> Actually the first result will be <p>fault/unit=key234HrsWft</p> with this data. > > the problem is, if key2 contain no data (ie <xsl:template > name="key2"></xsl:template>) the output will becoming > <p>key234HrsWft</p> > and <p></p> and <p>soome key</p> > therefore, i was wondering, how could i selectively add the " > and " string > into the output file (e.g. only add the " and " string if key2 is not > empty). It's not clear to me where you want to add the quotation marks. But more importantly, I don't understand why you are using named templates to produce these values rather than variables. If you wrote <xsl:variable name="key2">data</xsl:variable> then the problem would be much easier. If you can't rewrite the templates as variables, then you can achieve the same effect by capturing the result of the template in a variable: <xsl:variable name="key2"> <xsl:call-template name="key2"/> </xsl:variable> And then you can test $key2=''. Michael Kay Software AG home: Michael.H.Kay@xxxxxxxxxxxx work: Michael.Kay@xxxxxxxxxxxxxx XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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