Subject: RE: [xsl] building a hierarchical classification out of flat and redundant data From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Thu, 3 Aug 2006 09:59:40 +0100 |
> Then i changed the match attribute to > "x/document" and erased the "s" of "deep-equals". When i run > this with saxon, i get a list of errors, beginning with > "Exception in thread 'Thread-25' > java.lang.StackOverflowError at > net.sf.saxon.functions.DeepEqual.deepEquals(DeepEqual.java:186)". As you can tell, I have problems remembering whether that function name has a final "s" or not... The stack overflow looks like some simple error in the recursion, or it might be due to a cycle in the data. Programming tree traversals is a lot more complicated if you have to check for cycles as you go. (And the example in my book that attempts it is embarrassingly wrong.) Michael Kay http://www.saxonica.com/
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