Andrew Welch
So basically always type your parameters - if you're expecting a string
that can be empty then you want:
<xsl:param name="foo" as="xs:string?"/>
...and then using test="not($foo)" should be fine.
In the function below, I've typed my $xpath, but still the empty string
was passed to saxon:evaluate and generated the 'Expected node but
received EOF' message from Saxon. When I changed it to check for
string-length, I received my custom error message.
Did I miss something?
<xsl:function name="fk:eval">
<xsl:param name="context" as="node()+"/>
<xsl:param name="xpath" as="xs:string" />
<xsl:param name="msg" as="xs:string" />
<xsl:choose>
<!-- <xsl:when test="not($xpath)"> -->
<xsl:when test="string-length(normalize-space($xpath)) eq 0">
<xsl:text> Custom error message. </xsl:text>
</xsl:when>
<!-- More code removed -->
<xsl:otherwise>
<xsl:sequence select="$context/sax:evaluate($xpath)" />
</xsl:otherwise>
</xsl:choose>
</xsl:function>
Thanks!
Angela
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