On 16.02.2011 13:52, Nuno Oliveira wrote:
My name is Nuno Oliveira, and me and my colleagues, we are enrolled in a
project
at University of Minho (Portugal), which consists in finding all the code
related to the
pivot tables (data pilot) operations in the calc tool. Then we want to
extract and isolate
that code to put it into a stand-alone 'tool' so we are able to test the
performance of that
code in several environmental contexts.
That sounds very interesting.
The questions I make are the following:
-- do you ever searched for that code or made similar searches?
-- do you have any method to easily find that or other code (including tools
for slicing or program comprehension in general)?
-- can you give me some pointers, based on your experience, about where to
search for documentation on the pivot code class?
The implementation is mostly in sc/source/core/data, in the files that
start with "dp".
A few starting points:
- The classes in dptabsrc.cxx are the implementation of the
DataPilotSource UNO service for table data. The actual calculation of
the results is in dptabres.cxx.
- ScSheetDPData (dpshttab.cxx) feeds sheet data into the calculation,
ScDatabaseDPData (dpsdbtab.cxx) uses a database connection.
- ScDPObject (dpobject.cxx) is the object that's stored in a spreadsheet
document. It uses ScDPOutput (dpoutput.cxx) to take the results from the
DataPilotSource service and output them into spreadsheet cells.
Niklas
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