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e55480737ec0950fe0eb57bb2ee5853eb3e91008
pilotclient/src/blackmisc/pq/physicalquantity.cpp
Klaus Basan e55480737e Ref T111, lat/lng/angle changes 
* get struct CAngle::DegMinSecFractionalSec to obtain parts
* round to epsilon utility functions and fix (qint64)
2017-09-24 19:51:09 +01:00

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/* Copyright (C) 2013
* swift project Community / Contributors
*
* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
* including this file, may be copied, modified, propagated, or distributed except according to the terms
* contained in the LICENSE file.
*/
#include "blackmisc/comparefunctions.h"
#include "blackmisc/dictionary.h"
#include "blackmisc/pq/measurementunit.h"
#include "blackmisc/pq/physicalquantity.h"
#include "blackmisc/pq/pqstring.h"
#include "blackmisc/propertyindex.h"
#include "blackmisc/propertyindexvariantmap.h"
#include "blackmisc/variant.h"
#include "blackmisc/verify.h"
#include "blackmisc/pq/length.h"
#include "blackmisc/pq/pressure.h"
#include "blackmisc/pq/frequency.h"
#include "blackmisc/pq/mass.h"
#include "blackmisc/pq/temperature.h"
#include "blackmisc/pq/speed.h"
#include "blackmisc/pq/angle.h"
#include "blackmisc/pq/time.h"
#include "blackmisc/pq/acceleration.h"
#include <QCoreApplication>
#include <QDBusArgument>
#include <QHash>
#include <QJsonObject>
#include <QJsonValue>
#include <QList>
#include <QString>
#include <QtGlobal>
#include <limits>
#include <cmath>
namespace BlackMisc
{
namespace PhysicalQuantities
{
template <class MU, class PQ>
MU CPhysicalQuantity<MU, PQ>::getUnit() const
{
return this->m_unit;
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::setUnitBySymbol(const QString &unitName)
{
this->m_unit = CMeasurementUnit::unitFromSymbol<MU>(unitName);
}
template <class MU, class PQ>
QString CPhysicalQuantity<MU, PQ>::getUnitSymbol() const { return this->m_unit.getSymbol(true); }
template <class MU, class PQ>
CPhysicalQuantity<MU, PQ>::CPhysicalQuantity(double value, MU unit) :
m_value(unit.isNull() ? 0.0 : value), m_unit(unit)
{ }
template <class MU, class PQ>
CPhysicalQuantity<MU, PQ>::CPhysicalQuantity(const QString &unitString) :
m_value(0.0), m_unit(MU::nullUnit())
{
this->parseFromString(unitString);
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::operator ==(const CPhysicalQuantity<MU, PQ> &other) const
{
if (this == &other) return true;
if (this->isNull()) return other.isNull();
if (other.isNull()) return false;
double diff = std::abs(this->m_value - other.value(this->m_unit));
return diff <= this->m_unit.getEpsilon();
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::operator !=(const CPhysicalQuantity<MU, PQ> &other) const
{
return !((*this) == other);
}
template <class MU, class PQ>
CPhysicalQuantity<MU, PQ> &CPhysicalQuantity<MU, PQ>::operator +=(const CPhysicalQuantity<MU, PQ> &other)
{
this->m_value += other.value(this->m_unit);
return *this;
}
template <class MU, class PQ>
PQ CPhysicalQuantity<MU, PQ>::operator +(const PQ &other) const
{
PQ copy(other);
copy += *this;
return copy;
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::addValueSameUnit(double value)
{
this->m_value += value;
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::substractValueSameUnit(double value)
{
this->m_value -= value;
}
template <class MU, class PQ>
CPhysicalQuantity<MU, PQ> &CPhysicalQuantity<MU, PQ>::operator -=(const CPhysicalQuantity<MU, PQ> &other)
{
this->m_value -= other.value(this->m_unit);
return *this;
}
template <class MU, class PQ>
PQ CPhysicalQuantity<MU, PQ>::operator -(const PQ &other) const
{
PQ copy = *derived();
copy -= other;
return copy;
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::isZeroEpsilonConsidered() const
{
return this->m_unit.isEpsilon(this->m_value);
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::isPositiveWithEpsilonConsidered() const
{
return !this->isZeroEpsilonConsidered() && this->m_value > 0;
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::isNegativeWithEpsilonConsidered() const
{
return !this->isZeroEpsilonConsidered() && this->m_value < 0;
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::makePositive()
{
if (this->m_value < 0) { this->m_value *= -1.0; }
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::makeNegative()
{
if (this->m_value > 0) { this->m_value *= -1.0; }
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::marshallToDbus(QDBusArgument &argument) const
{
constexpr double NaN = std::numeric_limits<double>::quiet_NaN();
argument << (this->isNull() ? NaN : this->value(UnitClass::defaultUnit()));
// argument << this->m_value;
// argument << this->m_unit;
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::unmarshallFromDbus(const QDBusArgument &argument)
{
argument >> this->m_value;
this->m_unit = UnitClass::defaultUnit();
if (std::isnan(this->m_value))
{
this->setNull();
}
// argument >> this->m_value;
// argument >> this->m_unit;
}
template <class MU, class PQ>
CPhysicalQuantity<MU, PQ> &CPhysicalQuantity<MU, PQ>::operator *=(double factor)
{
this->m_value *= factor;
return *this;
}
template <class MU, class PQ>
PQ CPhysicalQuantity<MU, PQ>::operator *(double factor) const
{
PQ copy = *derived();
copy *= factor;
return copy;
}
template <class MU, class PQ>
CPhysicalQuantity<MU, PQ> &CPhysicalQuantity<MU, PQ>::operator /=(double divisor)
{
this->m_value /= divisor;
return *this;
}
template <class MU, class PQ>
PQ CPhysicalQuantity<MU, PQ>::operator /(double divisor) const
{
PQ copy = *derived();
copy /= divisor;
return copy;
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::operator <(const CPhysicalQuantity<MU, PQ> &other) const
{
if (*this == other) return false;
if (this->isNull() || other.isNull()) return false;
return (this->m_value < other.value(this->m_unit));
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::operator >(const CPhysicalQuantity<MU, PQ> &other) const
{
return other < *this;
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::operator >=(const CPhysicalQuantity<MU, PQ> &other) const
{
if (*this == other) return true;
return *this > other;
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::operator <=(const CPhysicalQuantity<MU, PQ> &other) const
{
if (*this == other) return true;
return *this < other;
}
template <class MU, class PQ>
PQ &CPhysicalQuantity<MU, PQ>::switchUnit(MU newUnit)
{
if (this->m_unit != newUnit)
{
this->m_value = newUnit.convertFrom(this->m_value, this->m_unit);
this->m_unit = newUnit;
}
return *derived();
}
template <class MU, class PQ>
bool CPhysicalQuantity<MU, PQ>::isNull() const
{
return this->m_unit.isNull();
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::setNull()
{
this->m_value = 0;
this->m_unit = MU::nullUnit();
}
template <class MU, class PQ>
double CPhysicalQuantity<MU, PQ>::value() const
{
if (this->isNull()) { return 0.0; }
return this->m_value;
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::setCurrentUnitValue(double value)
{
if (!this->isNull())
{
this->m_value = value;
}
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::setValueSameUnit(double baseValue)
{
this->m_value = baseValue;
}
template <class MU, class PQ>
QString CPhysicalQuantity<MU, PQ>::valueRoundedWithUnit(MU unit, int digits, bool i18n) const
{
Q_ASSERT_X(!unit.isNull(), Q_FUNC_INFO, "Cannot convert to null");
if (this->isNull()) { return this->convertToQString(i18n); }
return unit.makeRoundedQStringWithUnit(this->value(unit), digits, i18n);
}
template <class MU, class PQ>
QString CPhysicalQuantity<MU, PQ>::valueRoundedWithUnit(int digits, bool i18n) const
{
if (this->isNull()) { return this->convertToQString(i18n); }
return this->valueRoundedWithUnit(this->m_unit, digits, i18n);
}
template<class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::roundToEpsilon()
{
if (this->isNull()) { return; }
this->m_value = this->m_unit.roundToEpsilon(this->m_value);
}
template <class MU, class PQ>
double CPhysicalQuantity<MU, PQ>::valueRounded(MU unit, int digits) const
{
Q_ASSERT_X(!unit.isNull(), Q_FUNC_INFO, "Cannot convert to null");
return unit.roundValue(this->value(unit), digits);
}
template <class MU, class PQ>
int CPhysicalQuantity<MU, PQ>::valueInteger(MU unit) const
{
Q_ASSERT_X(!unit.isNull(), Q_FUNC_INFO, "Cannot convert to null");
double v = unit.roundValue(this->value(unit), 0);
return static_cast<int>(v);
}
template <class MU, class PQ>
double CPhysicalQuantity<MU, PQ>::valueRounded(int digits) const
{
return this->valueRounded(this->m_unit, digits);
}
template <class MU, class PQ>
double CPhysicalQuantity<MU, PQ>::value(MU unit) const
{
Q_ASSERT_X(!unit.isNull(), Q_FUNC_INFO, "Cannot convert to null");
return unit.convertFrom(this->m_value, this->m_unit);
}
template <class MU, class PQ>
QString CPhysicalQuantity<MU, PQ>::convertToQString(bool i18n) const
{
if (this->isNull()) { return i18n ? QCoreApplication::translate("CPhysicalQuantity", "undefined") : "undefined"; }
return this->valueRoundedWithUnit(this->getUnit(), -1, i18n);
}
template <class MU, class PQ>
uint CPhysicalQuantity<MU, PQ>::getValueHash() const
{
QList<uint> hashs;
// there is no double qHash
// also unit and rounding has to be considered
hashs << qHash(this->valueRoundedWithUnit(MU::defaultUnit()));
return BlackMisc::calculateHash(hashs, "PQ");
}
template <class MU, class PQ>
QJsonObject CPhysicalQuantity<MU, PQ>::toJson() const
{
QJsonObject json;
json.insert("value", QJsonValue(this->m_value));
json.insert("unit", QJsonValue(this->m_unit.getSymbol()));
return json;
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::convertFromJson(const QJsonObject &json)
{
const QJsonValue unit = json.value("unit");
const QJsonValue value = json.value("value");
if (unit.isUndefined()) { throw CJsonException("Missing 'unit'"); }
if (value.isUndefined()) { throw CJsonException("Missing 'value'"); }
this->setUnitBySymbol(unit.toString());
this->m_value = value.toDouble();
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::parseFromString(const QString &value, CPqString::SeparatorMode mode)
{
*this = CPqString::parse<PQ>(value, mode);
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::parseFromString(const QString &value)
{
*this = CPqString::parse<PQ>(value, CPqString::SeparatorsCLocale);
}
template <class MU, class PQ>
CVariant CPhysicalQuantity<MU, PQ>::propertyByIndex(const CPropertyIndex &index) const
{
if (index.isMyself()) { return CVariant::from(*derived()); }
ColumnIndex i = index.frontCasted<ColumnIndex>();
switch (i)
{
case IndexValue:
return CVariant::from(this->m_value);
case IndexUnit:
return CVariant::from(this->m_unit);
case IndexValueRounded0DigitsWithUnit:
return CVariant::from(this->valueRoundedWithUnit(0));
case IndexValueRounded1DigitsWithUnit:
return CVariant::from(this->valueRoundedWithUnit(1));
case IndexValueRounded2DigitsWithUnit:
return CVariant::from(this->valueRoundedWithUnit(2));
case IndexValueRounded3DigitsWithUnit:
return CVariant::from(this->valueRoundedWithUnit(3));
case IndexValueRounded6DigitsWithUnit:
return CVariant::from(this->valueRoundedWithUnit(6));
default:
return Mixin::Index<PQ>::propertyByIndex(index);
}
}
template <class MU, class PQ>
void CPhysicalQuantity<MU, PQ>::setPropertyByIndex(const CPropertyIndex &index, const CVariant &variant)
{
if (index.isMyself()) { (*this) = variant.to<PQ>(); return; }
ColumnIndex i = index.frontCasted<ColumnIndex>();
switch (i)
{
case IndexValue:
this->m_value = variant.toDouble();
break;
case IndexUnit:
this->m_unit = variant.to<MU>();
break;
case IndexValueRounded0DigitsWithUnit:
case IndexValueRounded1DigitsWithUnit:
case IndexValueRounded2DigitsWithUnit:
case IndexValueRounded3DigitsWithUnit:
case IndexValueRounded6DigitsWithUnit:
this->parseFromString(variant.toQString());
break;
default:
Mixin::Index<PQ>::setPropertyByIndex(index, variant);
break;
}
}
template <class MU, class PQ>
int CPhysicalQuantity<MU, PQ>::comparePropertyByIndex(const CPropertyIndex &index, const PQ &pq) const
{
if (index.isMyself()) { return compareImpl(*derived(), pq); }
ColumnIndex i = index.frontCasted<ColumnIndex>();
switch (i)
{
case IndexValue:
return Compare::compare(this->m_value, pq.m_value);
default:
break;
}
BLACK_VERIFY_X(false, Q_FUNC_INFO, qUtf8Printable("No comparison for index " + index.toQString()));
return 0;
}
template <class MU, class PQ>
int CPhysicalQuantity<MU, PQ>::compareImpl(const PQ &a, const PQ &b)
{
if (a.isNull() > b.isNull()) { return -1; }
if (a.isNull() < b.isNull()) { return 1; }
if (a < b) { return -1; }
else if (a > b) { return 1; }
else { return 0; }
}
template <class MU, class PQ>
PQ const *CPhysicalQuantity<MU, PQ>::derived() const
{
return static_cast<PQ const *>(this);
}
template <class MU, class PQ>
PQ *CPhysicalQuantity<MU, PQ>::derived()
{
return static_cast<PQ *>(this);
}
// see here for the reason of thess forward instantiations
// https://isocpp.org/wiki/faq/templates#separate-template-fn-defn-from-decl
//! \cond PRIVATE
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CLengthUnit, CLength>;
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CPressureUnit, CPressure>;
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CFrequencyUnit, CFrequency>;
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CMassUnit, CMass>;
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CTemperatureUnit, CTemperature>;
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CSpeedUnit, CSpeed>;
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CAngleUnit, CAngle>;
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CTimeUnit, CTime>;
template class BLACKMISC_EXPORT_DEFINE_TEMPLATE CPhysicalQuantity<CAccelerationUnit, CAcceleration>;
//! \endcond
} // namespace
} // namespace
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