kdelibs/kunitconversion/fuel_efficiency.cpp

/*
 *   Copyright (C) 2009 Petri Damstén <damu@iki.fi>
 *
 *   This program 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, or
 *   (at your option) any later version.
 *
 *   This program 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 General Public License for more details
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this program; if not, write to the
 *   Free Software Foundation, Inc.,
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include "fuel_efficiency.h"
#include "converter.h"
#include <klocale.h>

using namespace KUnitConversion;

class kmpl : public Complex
{
    double toDefault(double value) const { return 100.0 / value; };
    double fromDefault(double value) const { return 100.0 / value; };
};

class mpg : public Complex
{
    double toDefault(double value) const { return 235.2 / value; };
    double fromDefault(double value) const { return 235.2 / value; };
};

class mpgi : public Complex
{
    double toDefault(double value) const { return 282.5 / value; };
    double fromDefault(double value) const { return 282.5 / value; };
};

FuelEfficiency::FuelEfficiency() : UnitCategory(FuelEfficiencyCategory)
{
    setName(i18n("Fuel Efficiency"));
    setSymbolStringFormat(ki18nc("%1 value, %2 unit symbol (fuel efficiency)", "%1 %2"));

    setDefaultUnit(UP(LitersPer100Kilometers, 1,
      i18nc("fuelefficiency unit symbol", "l/100 km"),
      i18nc("unit description in lists", "liters per 100 kilometers"),
      i18nc("unit synonyms for matching user input", "liters per 100 kilometers;liters per 100 kilometers;l/100 km;L/100 km"),
      ki18nc("amount in units (real)", "%1 liters per 100 kilometers"),
      ki18ncp("amount in units (integer)", "%1 liters per 100 kilometers", "%1 liters per 100 kilometers")
    ));
    U(MilePerUsGallon, new mpg(),
      i18nc("fuelefficiency unit symbol", "mpg"),
      i18nc("unit description in lists", "miles per US gallon"),
      i18nc("unit synonyms for matching user input", "mile per US gallon;miles per US gallon;mpg"),
      ki18nc("amount in units (real)", "%1 miles per US gallon"),
      ki18ncp("amount in units (integer)", "%1 mile per US gallon", "%1 miles per US gallon")
    );
    U(MilePerImperialGallon, new mpgi(),
      i18nc("fuelefficiency unit symbol", "mpg (imperial)"),
      i18nc("unit description in lists", "miles per imperial gallon"),
      i18nc("unit synonyms for matching user input", "mile per imperial gallon;miles per imperial gallon;mpg (imperial)"),
      ki18nc("amount in units (real)", "%1 miles per imperial gallon"),
      ki18ncp("amount in units (integer)", "%1 mile per imperial gallon", "%1 miles per imperial gallon")
    );
    U(KilometrePerLitre, new kmpl(),
      i18nc("fuelefficiency unit symbol", "kmpl"),
      i18nc("unit description in lists", "kilometers per liter"),
      i18nc("unit synonyms for matching user input", "kilometer per liter;kilometers per liter;kmpl;km/l"),
      ki18nc("amount in units (real)", "%1 kilometers per liter"),
      ki18ncp("amount in units (integer)", "%1 kilometer per liter", "%1 kilometers per liter")
    );

    setMostCommonUnits(QList<int>() <<
            LitersPer100Kilometers << MilePerUsGallon << MilePerImperialGallon);
}