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/* This file is part of the KDE project
Copyright (C) 1998-2002 The KSpread Team <calligra-devel@kde.org>
Copyright (C) 2006 Brad Hards <bradh@frogmouth.net>
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; only
version 2 of the License.
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; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
// built-in logical functions
#include "BitOpsModule.h"
#include "Function.h"
#include "FunctionModuleRegistry.h"
#include "ValueCalc.h"
#include "ValueConverter.h"
#include <KLocale>
using namespace Calligra::Sheets;
// prototypes (sorted alphabetically)
Value func_bitand(valVector args, ValueCalc *calc, FuncExtra *);
Value func_bitor(valVector args, ValueCalc *calc, FuncExtra *);
Value func_bitxor(valVector args, ValueCalc *calc, FuncExtra *);
Value func_bitlshift(valVector args, ValueCalc *calc, FuncExtra *);
Value func_bitrshift(valVector args, ValueCalc *calc, FuncExtra *);
CALLIGRA_SHEETS_EXPORT_FUNCTION_MODULE("bitops", BitOpsModule)
BitOpsModule::BitOpsModule(QObject* parent, const QVariantList&)
: FunctionModule(parent)
{
Function *f;
f = new Function("BITAND", func_bitand);
f->setParamCount(2);
add(f);
f = new Function("BITOR", func_bitor);
f->setParamCount(2);
add(f);
f = new Function("BITXOR", func_bitxor);
f->setParamCount(2);
add(f);
f = new Function("BITLSHIFT", func_bitlshift);
f->setParamCount(2);
add(f);
f = new Function("BITRSHIFT", func_bitrshift);
f->setParamCount(2);
add(f);
}
QString BitOpsModule::descriptionFileName() const
{
return QString("bitops.xml");
}
// Function: BITAND
Value func_bitand(valVector args, ValueCalc *, FuncExtra *)
{
const quint64 x = args[0].asInteger();
const quint64 y = args[1].asInteger();
return Value(static_cast<qint64>(x & y));
}
// Function: BITOR
Value func_bitor(valVector args, ValueCalc *, FuncExtra *)
{
const quint64 x = args[0].asInteger();
const quint64 y = args[1].asInteger();
return Value(static_cast<qint64>(x | y));
}
// Function: BITXOR
Value func_bitxor(valVector args, ValueCalc *, FuncExtra *)
{
const quint64 x = args[0].asInteger();
const quint64 y = args[1].asInteger();
return Value(static_cast<qint64>(x ^ y));
}
// Function: BITLSHIFT
Value func_bitlshift(valVector args, ValueCalc *, FuncExtra *)
{
const quint64 x = args[0].asInteger();
const int numshift = args[1].asInteger();
if (numshift == 0)
return Value(static_cast<qint64>(x));
else if (numshift > 0)
return Value(static_cast<qint64>(x << numshift));
else // negative left shift, becomes right shift
return Value(static_cast<qint64>(x >>(-1 * numshift)));
}
// Function: BITRSHIFT
Value func_bitrshift(valVector args, ValueCalc *, FuncExtra *)
{
const quint64 x = args[0].asInteger();
const int numshift = args[1].asInteger();
if (numshift == 0)
return Value(static_cast<qint64>(x));
else if (numshift > 0)
return Value(static_cast<qint64>(x >> numshift));
else // negative right shift, becomes left shift
return Value(static_cast<qint64>(x << (-1 * numshift)));
}
#include "BitOpsModule.moc"
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