Dear list,
I am having a problem with an XPath expression. The program I am using is
Stylus Studio 2007 and I am building an XSLT 1.0 stylesheet. Within the
program you have access to an XPath Query Editor. I used that together
with an XML file to build the following:
/calendar/year/month/day[(_at_)month = 3 and index =
21]/(.|following::day)[(_at_)phase = 2][1]/(.|following::day)[(_at_)weekday =
6][1]
This path will correctly find easter when I execute it in the query
editor. However, if I create a simple stylesheet that uses the path in a
<xsl:value-of select="..."> I get a compilation error.
Using the built-in processor I get the message:
Testing.xsl (5, 2): Expected node test in value-of
Using MSXML6 I get the message:
NodeTest expected here.
/calendar/year/month/day[(_at_)month = 3 and index =
21]/-->(<--.|following::day)[(_at_)phase =
2][1]/(.|following::day)[(_at_)weekday =
6][1]
Using Saxon 6.5.5 I get the message:
com.icl.saxon.expr.XPathException: Error in expression
/calendar/year/month/day[(_at_)month = 3 and index =
21]/(.|following::day)[(_at_)phase = 2][1]/(.|following::day)[(_at_)weekday =
6][1]:
Unexpected token [(] in path expression
Using the .NET XslTransform I get the message:
System.Xml.Xsl.XsltException: '/calendar/year/month/day[(_at_)month = 3 and
index = 21]/(.|following::day)[(_at_)phase =
2][1]/(.|following::day)[(_at_)weekday
= 6][1]' is an invalid XPath expression. --->
System.Xml.XPath.XPathException: Expression must evaluate to a node-set.
From this I gather that it doesn't like the parenthesis. However, if I
remove them I do not get the desired behaviour. Instead, three days are
matched and none of them correctly.
How am I supposed to group the union in such a way that I can apply the
subset rules (within brackets) to it? It would also be interesting to know
why this works in the query editor, but none of the processors.
Any help is appreciated,
Regards,
Lars Rönnbäck
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