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//# BitFlagsEngine.cc: Implementation of helper class.
//# Copyright (C) 2009
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
//# Includes
#include <casacore/tables/DataMan/BitFlagsEngine.h>
#include <casacore/tables/Tables/Table.h>
#include <casacore/tables/Tables/TableColumn.h>
#include <casacore/tables/Tables/TableRecord.h>
#include <casacore/casa/Arrays/Array.h>
#include <casacore/casa/Containers/Record.h>
#include <casacore/casa/BasicSL/String.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
BFEngineMask::BFEngineMask (uInt mask)
: itsMask (mask)
{}
BFEngineMask::BFEngineMask (const Array<String>& keys,
uInt defaultMask)
: itsMaskKeys (keys),
itsMask (defaultMask)
{}
void BFEngineMask::fromRecord (const RecordInterface& spec,
const TableColumn& column,
const String& prefix)
{
String keyName = prefix + "Mask";
if (spec.isDefined (keyName)) {
itsMask = spec.asuInt (keyName);
}
keyName += "Keys";
if (spec.isDefined (keyName)) {
itsMaskKeys = spec.asArrayString (keyName);
makeMask (column);
}
}
void BFEngineMask::toRecord (RecordInterface& spec,
const String& prefix) const
{
spec.define (prefix + "Mask", itsMask);
spec.define (prefix + "MaskKeys", itsMaskKeys);
}
void BFEngineMask::makeMask (const TableColumn& column)
{
if (! itsMaskKeys.empty()) {
if (column.keywordSet().isDefined("FLAGSETS")) {
const RecordInterface& rec = column.keywordSet().asRecord("FLAGSETS");
uInt mask = 0;
Array<String>::const_iterator iterEnd = itsMaskKeys.end();
for (Array<String>::const_iterator iter=itsMaskKeys.begin();
iter!=iterEnd; ++iter) {
if (rec.isDefined(*iter)) {
mask = mask | rec.asuInt (*iter);
}
}
itsMask = mask;
}
}
}
}
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