Hello,
I'm using xalan 2.6, and trying to invoke a transformation using XSL
file that contains the function "empty", but I'm getting the below
exception, I think the empty function is a valid XPath function, and
XML Spy can translate docuements using this XSL file without any
problems.
Is it a bug in xalan? I tried 2.7 but I got the same exception.
Any idea what's happening?
javax.xml.trans form.Transforme rException: Could not find function:
empty
at org.apache.xpat h.compiler.XPat hParser.error(X PathParser.java :602)
at
org.apache.xpat h.compiler.XPat hParser.Functio nCall(XPathPars er.java:
1449)
at org.apache.xpat h.compiler.XPat hParser.Primary Expr(XPathParse r.java:
1388)
at org.apache.xpat h.compiler.XPat hParser.FilterE xpr(XPathParser .java:
1287)
at org.apache.xpat h.compiler.XPat hParser.PathExp r(XPathParser.j ava:
1220)
at org.apache.xpat h.compiler.XPat hParser.UnionEx pr(XPathParser. java:
1178)
at org.apache.xpat h.compiler.XPat hParser.UnaryEx pr(XPathParser. java:
1084)
at
org.apache.xpat h.compiler.XPat hParser.Multipl icativeExpr(XPa thParser.java:
1005)
at
org.apache.xpat h.compiler.XPat hParser.Additiv eExpr(XPathPars er.java:
947)
at
org.apache.xpat h.compiler.XPat hParser.Relatio nalExpr(XPathPa rser.java:
872)
5  3696 
Abdelhalim wrote:
Hello,
I'm using xalan 2.6, and trying to invoke a transformation using XSL
file that contains the function "empty",
empty() is an XPath2 function, and xalan implements XSLT 1 and XPath 1.
David
-- http://dpcarlisle.blogspot.com
Abdelhalim,
For someone to be able to answer your question you should prune your
stylesheet down as much as possible to isolate the problem. Then you
should post the XSL code to the newsgroup so that people can examine the
problem. You should be able to get the XSL code down to under 20 lines;
anything more and people will be less inclined to offer comments.
Cheers
Justin Johansson
Abdelhalim wrote:
Hello,
I'm using xalan 2.6, and trying to invoke a transformation using XSL
file that contains the function "empty", but I'm getting the below
exception, I think the empty function is a valid XPath function, and
XML Spy can translate docuements using this XSL file without any
problems.
Is it a bug in xalan? I tried 2.7 but I got the same exception.
Any idea what's happening?
javax.xml.trans form.Transforme rException: Could not find function:
empty
at org.apache.xpat h.compiler.XPat hParser.error(X PathParser.java :602)
at
org.apache.xpat h.compiler.XPat hParser.Functio nCall(XPathPars er.java:
1449)
at org.apache.xpat h.compiler.XPat hParser.Primary Expr(XPathParse r.java:
1388)
at org.apache.xpat h.compiler.XPat hParser.FilterE xpr(XPathParser .java:
1287)
at org.apache.xpat h.compiler.XPat hParser.PathExp r(XPathParser.j ava:
1220)
at org.apache.xpat h.compiler.XPat hParser.UnionEx pr(XPathParser. java:
1178)
at org.apache.xpat h.compiler.XPat hParser.UnaryEx pr(XPathParser. java:
1084)
at
org.apache.xpat h.compiler.XPat hParser.Multipl icativeExpr(XPa thParser.java:
1005)
at
org.apache.xpat h.compiler.XPat hParser.Additiv eExpr(XPathPars er.java:
947)
at
org.apache.xpat h.compiler.XPat hParser.Relatio nalExpr(XPathPa rser.java:
872)
David Carlisle wrote:
empty() is an XPath2 function, and xalan implements XSLT 1 and XPath 1.
However, depending on what you're doing, there are XPath 1 idioms which
will return equivalent values. For example, to get an empty nodeset you
could ask for the parent of the root node, the children of an attribute,
or similar known-empty paths.
--
Joe Kesselman / Beware the fury of a patient man. -- John Dryden
Joseph Kesselman wrote:
David Carlisle wrote:
>empty() is an XPath2 function, and xalan implements XSLT 1 and XPath 1.
However, depending on what you're doing, there are XPath 1 idioms which
will return equivalent values. For example, to get an empty nodeset you
could ask for the parent of the root node, the children of an attribute,
or similar known-empty paths.
According to <http://www.w3.org/TR/xquery-operators/#func-emptythe
function returns true if the sequence is empty and false otherwise so
with XPath 1.0 you could use
count($arg) = 0
to check whether arg is empty.
--
Martin Honnen http://JavaScript.FAQTs.com/
Martin Honnen wrote:
According to <http://www.w3.org/TR/xquery-operators/#func-emptythe
function returns true if the sequence is empty and false otherwise so
with XPath 1.0 you could use
count($arg) = 0
to check whether arg is empty.
or simpler (and possibly more efficient) just $arg (s in a boolean
context a node set coerces to true just if it's non empty.
David
-- http://dpcarlisle.blogspot.com This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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