Re: [xml] shell function for XSLT

[cbozeman hiwaay net]

A couple of possible alternatives:
1) Implement the exslt routines parse-date and format-date for libexslt.
2) Implement the exslt routine parse-date and use Jeni Tennison's exslt:function
version of format-date.
3) Parse the date-str variable into xs:date format and then use Jeni Tennison's
format-date function.

I think implementing a shell function would not only be dangerous but difficult
to maintain under the various operating systems supported by libxslt.

Charlie B

Quoting Nic Ferrier <nferrier tapsellferrier co uk>:

> What do people think about the idea of adding a shell function to
> libxml2's xpath? I'm thinking of something that would make this XSLT
> possible:
>
> <xsl:template match="date">
>   <xsl:variable name="date-str">
>       <xsl:value-of select="."/>
>   </xsl:variable>
>   <converted-date>
>     <xsl:value-of select="shell('date --date=$date-str --rfc-2822')"/>
>   </converted-date>
> <xsl:template>
>
> when invoked with the following:
>
>  <date>12 January 2004</date>
>
> this would output:
>
>  <converted-date>Mon, 12 Jan 2004 00:00:00 +0000</converted-date>
>
>
> There would have to be restrictions on the shell command used. 
>
> $ would have to indicate XSLT parameters, not shell params.
>
> quoting would have to be automatic (around xslt paramters for
> example).
>
> entitys would have to be resolved automatically.
>
>
> I'd think about investigating implementation of this if anyone else
> was interested.
>
>
> Alternately does anyone have another way of achieving similar things?
>
>  
> -- 
> Nic Ferrier
> http://www.tapsellferrier.co.uk
>
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