unitsBackend.hpp

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#pragma once
#include "../icedb/defs.h"
#include <string>
#include <memory>
#include "../icedb/units/units.hpp"
#include "../icedb/units/unitsPlugins.hpp"
namespace icedb {
    namespace units {
        namespace implementations {
            void _init();
            void _registerBackend(const std::string &inUnits, const std::string &outUnits,
                const std::string &family, converter_p);
            converter_p _queryBackend(const std::string &inUnits, const std::string &outUnits,
                const std::string &family);
            struct simpleUnits : public Unithandler {
                static bool canConvert(Converter_registry_provider::optsType opts);
                static std::shared_ptr<const Unithandler> constructConverter(
                    Converter_registry_provider::optsType opts);
                simpleUnits(const std::string &in, const std::string &out, bool init = true);
                bool validLength(const std::string &_inUnits, const std::string &_outUnits);
                bool validFreq(const std::string &_inUnits, const std::string &_outUnits);
                bool validVol(const std::string &_inUnits, const std::string &_outUnits);
                bool validPres(const std::string &in, const std::string &out);
                bool validMass(const std::string &in, const std::string &out);
                bool validTemp(const std::string &in, const std::string &out);
                bool validDens(const std::string &in, const std::string &out);
                virtual ~simpleUnits();
                double _inOffset, _outOffset, _convFactor;
                std::string _inUnits, _outUnits;
                bool _valid;
                virtual bool isValid() const;
                double convert(double inVal) const;
            };

            struct spectralUnits : public implementations::Unithandler {
                static bool canConvert(Converter_registry_provider::optsType opts);
                static std::shared_ptr<const implementations::Unithandler> constructConverter(
                    Converter_registry_provider::optsType opts);
                spectralUnits(const std::string &in, const std::string &out);
                virtual ~spectralUnits();
                std::string _inUnits, _outUnits;
                bool _valid, _Iin, _Iout;
                std::shared_ptr<const implementations::Unithandler> hIn, hOut;
                virtual bool isValid() const;
                virtual double convert(double input) const;
            };
        }
    }
}