Re: [xsl] mystery #2: testing document() without failure

[Robert Koberg <rob at koberg dot com>]

Hi,

So is it wrong to rely on something like (if processor independence is 
important):

<xsl:variable name="test" select="document('test.xml')/test"/>
<xsl:choose>
   <xsl:when test="boolean($test)">
      <xsl:apply-templates select="$test"/>
   </xsl:when>
   <xsl:otherwise>
      <!-- error display -->
   </xsl:otherwise>
</xsl:choose>

it works in saxon.

best,
-Rob


David Carlisle wrote:

>>The document() function will return a null node set if the referenced
>>file is not found,
>>
>
>It might do that as an allowed recovery option but the default behaviour
>is to issue a (possibly fatal) error. Unfortunately there's no way to
>control that behaviour in XSLT itself.
>
>xalan may have some implementation-specific customisation of this
>though.
>
>David
>
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