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RE: XSL to analyse some XML log files

2005-12-04 02:05:43

I would like to do the following and hope that you can help me:

1) Generate another XML file that does not contain logs 
(<log> tag defines a
log) that belong to the test mode (<change> tag with value 
"mode TEST").
That means all log files between the test mode and any other mode.

<xsl:copy-of select="log[not(change='TEST' or (not(change) and
(preceding-sibling::log/change)[last()]='TEST')))]"/>

2) Generate one XML file for each mode, one for "mode TEST", 
one of "mode
A", one for "mode B") with all the logs that belong to each 
mode. That means
e.g. that all the logs after <change>mode B</change> are 
stored into the
"mode B" file, equeally for the others.

This is a classic grouping problem (www.jenitennison.com/xslt/grouping) in
which the grouping key is the most recent CHANGE element, calculated as
above. In XSLT 2.0

<xsl:for-each-group select="log"
group-by="((.|preceding-sibling::log)/change)[last()]"/>


3) Calcuate the time difference in seconds (<time> value is 
also provide in
seconds) between the <useraction>Start</useraction> and the
<useraction>Stop</useraction> of the "mode A".

I'll pass on that one, got to be off to Mass.

Michael Kay
http://www.saxonica.com/



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