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101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/* Copyright (C) 2013 VATSIM Community / contributors
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef BLACKMISC_PQSTRING_H
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#define BLACKMISC_PQSTRING_H
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#include "blackmisc/valueobject.h"
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#include <QVariant>
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namespace BlackMisc
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{
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namespace PhysicalQuantities
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{
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/*!
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* \brief Represents a physical quantity by a string
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* \details Used to parse strings into physical quantities, validate strings
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* \sa BlackMisc::PhysicalQuantity
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*/
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class CPqString : public BlackMisc::CValueObject
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{
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public:
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private:
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BLACK_ENABLE_TUPLE_CONVERSION(CPqString)
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QString m_string;
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protected:
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//! \copydoc CValueObject::convertToQString
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virtual QString convertToQString(bool i18n = false) const override;
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//! \copydoc CValueObject::marshallFromDbus()
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virtual void marshallToDbus(QDBusArgument &argument) const override;
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//! \copydoc CValueObject::unmarshallFromDbus()
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virtual void unmarshallFromDbus(const QDBusArgument &argument) override;
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//! \copydoc CValueObject::compareImpl
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virtual int compareImpl(const CValueObject &other) const override;
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//! \copydoc CValueObject::isA
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virtual bool isA(int metaTypeId) const override;
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public:
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//! \brief Default constructor
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CPqString() {}
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/*!
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* \brief Constructor
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* \param value such as 10km/h
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*/
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CPqString(const QString &value) : m_string(value) {}
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//! \copydoc CValueObject::toQVariant
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virtual QVariant toQVariant() const override
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{
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return QVariant::fromValue(*this);
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}
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//! \copydoc CValueObject::getMetaTypeId
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int getMetaTypeId() const override;
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//! \copydoc CValueObject::getValueHash
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virtual uint getValueHash() const override;
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//! \brief Equal operator ==
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bool operator ==(const CPqString &other) const;
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//! \brief Unequal operator !=
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bool operator !=(const CPqString &other) const;
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//! \brief Register metadata
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static void registerMetadata();
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//! \brief parse a string value like "100m", "10.3Mhz"
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static QVariant parse(const QString &value);
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//! \brief parse into concrete type
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template <class PQ> static const PQ parse(const QString &symbol)
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{
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PQ invalid;
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if (symbol.isEmpty()) return invalid;
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QVariant qv = CPqString::parse(symbol);
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if (!qv.isNull() && qv.canConvert<PQ>())
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{
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return qv.value<PQ>();
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}
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return invalid;
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}
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};
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} // namespace
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} // namespace
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BLACK_DECLARE_TUPLE_CONVERSION(BlackMisc::PhysicalQuantities::CPqString, (o.m_string))
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Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CPqString)
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#endif // guard
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