Subject: Re: [xsl] Any way to specify diagnostic message for missing stylesheet parameter? From: "Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Wed, 15 Oct 2014 16:58:30 -0000 |
One could extend this requirement to all sorts of other situations, e.g. if parameters are supplied but invalid, the source document is invalid, etc. You're opening a whole new area. It would be wrong to tackle this one example on its own. Michael Kay Saxonica mike@xxxxxxxxxxxx +44 (0) 118 946 5893 On 15 Oct 2014, at 17:19, David Sewell dsewell@xxxxxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Given a stylesheet parameter <xsl:param name="somevar" required="yes"/>, failing to supply a parameter value at run-time results in a boilerplate error message such as "XTDE0050: No value supplied for required parameter somevar". > > It would be helpful to be able to supply a custom error message such as "required: somevar=[true|false|unknown]" to save the user the time it takes to look through the code to figure out what parameter is expected. There's no way to do this in the XSLT spec through 3.0, correct? and no common extensions for doing it? > > If not, would that be a useful feature for others, or are there reasons not to implement something like that as an extension or enhancement? > > David > > -- > David Sewell, Editorial and Technical Manager > ROTUNDA, The University of Virginia Press > PO Box 400314, Charlottesville, VA 22904-4314 USA > Email: dsewell@xxxxxxxxxxxx Tel: +1 434 924 9973 > Web: http://rotunda.upress.virginia.edu/
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