RE: [xsl] param vs context for passing arguments

[Piotr Dobrogost <pd@xxxxxxxxxxxxxxxxxxxxxxxxxx>]

> Date: Wed, 16 Dec 2009 23:08:50 -0000
> From: "Michael Kay" <mike@xxxxxxxxxxxx>
> Subject: RE: [xsl] param vs context for passing arguments
> Message-ID: <3D36050C5F484433B4E46968E6F23627@Sealion>
>
> Your code will be most versatile (reusable) if you write it as a function to
> operate on any string.
>
> > > <xsl:function name="f:ReplaceHyphenWithUnderscore" as="xs:string">
>       <xsl:param name="input" as="xs:string"/>
> > >    <xsl:analyze-string select="$input" regex="-">
> > >      <xsl:matching-substring>
> > >        <xsl:text>_</xsl:text>
> > >      </xsl:matching-substring>
> > >      <xsl:non-matching-substring>
> > >        <xsl:value-of select="."/>
> > >      </xsl:non-matching-substring>
> > >    </xsl:analyze-string>
> > > </xsl:template>

With this I get
"XTTE0780: A sequence of more than one item is not allowed as the result 
of function f:ReplaceHyphenWithUnderscore() ("_", "_", ...)" error.

> Having said that, this particular operation can be achieved by a single call
> of translate():
>
> > > <xsl:function name="f:ReplaceHyphenWithUnderscore" as="xs:string">
>       <xsl:param name="input" as="xs:string"/>
>       <xsl:sequence select="translate($in, '-', '_')"/>
> > > </xsl:template>

This works ok.
Thanks for help.


Regards
Piotr Dobrogost