I have not come across a case where it makes sense for a tree-valued
parameter to have any default value other than the empty sequence.
Defaulting it to a node in the principal source document, whether this is
the root node or the outermost element, seems an odd thing to do.
Michael Kay
-----Original Message-----
From: Karl J. Stubsjoen [mailto:karl(_at_)meetscoresonline(_dot_)com]
Sent: 22 July 2004 23:56
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] Infinite Loop when param empty
Thanks for the input on the "Infinite Loop".
Is it good practice to explicitly ask for the top level element in the
select property? So, the xml source being passed in may look like:
<XML_SOURCE>
<XML_DATA/>
<XML_DATA/>
<XML_DATA/>
</XML_SOURCE>
And the parameter looking like:
<xsl:param name="ENTRY_TEMPLATE" select="XML_SOURCE"/>
Karl
-----Original Message-----
From: Michael Kay [mailto:mhk(_at_)mhk(_dot_)me(_dot_)uk]
Sent: Thursday, July 22, 2004 3:02 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] Infinite Loop when param empty
I have a param which is populated with an XML source.
The paramter is declared like this:
<xsl:param name="ENTRY_TEMPLATE" select="/"/>
My top level match is:
<xsl:template match="/">
Within this template rule I apply the following:
<xsl:apply-templates select="$ENTRY_TEMPLATE"/>
If the param ENTRY_TEMPLATE is not set, I end up with an
infinite loop. Is
this normal behaviour? I'm guessing that maybe it is bad
practice to
declare the param as I have.
Yes, the system is behaving correctly - it is doing exactly
what you asked
it to do. And yes, it might be a good idea to ask it to do something
different!
Michael Kay
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