[Interest] xsl:variable & QXmlQuery

[Sébastien Le Ray]

Nevermind, this seems to be tied to strange scoping rules (variables are 
"leaking" outside their scope refusing to get their value changed). 
Using named templates + params did the trick


Le 07/12/2016 à 17:17, Sébastien Le Ray a écrit :
>
> Hi list,
>
> I've a strange behavior with xsl:variables and nested scopes.
>
> First, something like :
>
> <xsl:template match="//whatever"> <whatever>
> <xsl:apply-templatesselect="@*"/>
> <xsl:for-eachselect="something">
> <xsl:variablename="localId"select="@local-id"/>
> <xsl:variablename="otherId"select="@other-id"/>
> <xsl:iftest="not(boolean(//no/matter/what/*[@attr=$localId]))">
> <dont-care/>
> </xsl:if>
> </xsl:for-each>
> </whatever>
> </xsl:template>
>
> Does not work under Qt (xsltproc is fine), tracking down the issue it 
> appears that $localId is not set when the XPath get evaluated, not a 
> big deal, I thought, I simply did something like
>
> <xsl:template match="//whatever"> <whatever>
> <xsl:apply-templatesselect="@*"/>
> <xsl:for-eachselect="something">
> <xsl:variablename="localId"select="@local-id"/>
> <xsl:variablename="otherId"select="@other-id"/>
> <xsl:iftest="not(boolean(//no/matter/what/*))"> <xsl:if 
> test="@attr=$localId">
> <dont-care/> </xsl:if>
> </xsl:if>
> </xsl:for-each>
> </whatever>
> </xsl:template>
>
> That doesn't work neither.
>
> Only way to make it work I found until now is to somehow output the 
> variable before using it eg
>
> <xsl:template match="//whatever"> <whatever>
> <xsl:apply-templatesselect="@*"/>
> <xsl:for-eachselect="something">
> <xsl:variablename="localId"select="@local-id"/>
> <xsl:variablename="otherId"select="@other-id"/> <xsl:value-of 
> select="$localId"/>
> <xsl:iftest="not(boolean(//no/matter/what/*[@attr=$localId]))">
> <dont-care/>
> </xsl:if>
> </xsl:for-each>
> </whatever>
> </xsl:template>
>
> This works but pollutes the XML
>
> Is this a known limitation or am I missing something?
>
> Is there a way to achieve the same effect without outputing the variable?
>
> Regards
>
>
>
>
>
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