unitsPlugins.hpp

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#pragma once
#include "../defs.h"
#include <string>
#include <memory>
#include <functional>
#include <vector>
#include "../optionsForwards.hpp"
namespace icedb {
    namespace units {
        class converter;
        namespace implementations {
            struct Unithandler;
            class converter_provider_registry {};
            class Converter_registry_provider
            {
            public:
                Converter_registry_provider();
                ~Converter_registry_provider();
                typedef registry::const_options_ptr optsType;
                typedef std::function<bool(optsType)> canConvertType;
                canConvertType canConvert;
                typedef std::function<std::shared_ptr<const Unithandler>(optsType)> constructType;
                constructType constructConverter;
                const char* name;
            };
            typedef std::shared_ptr<const Converter_registry_provider> conv_prov_cp;
            typedef std::shared_ptr<const std::vector<conv_prov_cp> > conv_hooks_t;
            conv_hooks_t getHooks();
            struct Unithandler
            {
            protected:
                const char* id;
                Unithandler(const char* id);
            public:
                virtual ~Unithandler() {}
                virtual double convert(double input) const = 0;
                virtual bool isValid() const = 0;
            };
        }
    }
}