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RE: param vs context for passing arguments

Subject: RE: param vs context for passing arguments
From: Piotr Dobrogost <pd@xxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 17 Dec 2009 23:42:47 +0100
RE:  param vs context for passing arguments
Date: Wed, 16 Dec 2009 23:08:50 -0000
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Subject: RE:  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

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