UnitConversionServerEx.h

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#pragma once
#include <gii/gen/UnitConversionServer.h>
#include <gii/gen/Variable.h>
#include <gii/global.h>
#include <memory>
 
namespace sf
{
 
class _GII_CLASS UnitConversionServerEx final
  : public UnitConversionServer
  , VariableHandler
{
  public:
    UnitConversionServerEx();
 
    ~UnitConversionServerEx() override;
 
    void flush();
 
    void setUnitSystem(int us) override;
 
    bool load(std::istream& is) override;
 
    bool save(std::ostream& os) override;
 
    void setEnable(bool enable);
 
    [[nodiscard]] id_type getEnableId() const;
 
    void setEnableId(id_type);
 
    void convertVariable(const Variable& var, bool regular = false);
 
    void reinitialize();
 
    void setAskHandler(const UnitConversionServerClosure& closure = UnitConversionServerClosure());
 
    [[nodiscard]] static const char* getFollowersSectionName();
 
  protected:
    bool handler(UnitConversionEvent& ev) override;
 
  private:
    void variableEventHandler(EEvent event, const Variable& call_var, Variable& link_var, bool same_inst) override;
 
    void storeConfig(bool save);
 
    class Entry final : VariableHandler
    {
      public:
        explicit Entry(UnitConversionServerEx* owner);
 
        UnitConversionServerEx* _owner;
        Variable _vMaster;
        std::vector<Variable::id_type> _ids;
        std::string _unit;
        std::string _script;
 
        void updateConversion();
 
        bool convertVariable(const Variable& var) const;
 
      private:
        void variableEventHandler(EEvent event, const Variable& call_var, Variable& link_var, bool same_inst) override;
    };
 
    UnitConversionServerClosure _askHandler;
    bool _enabled{false};
    Variable _vEnable;
    std::vector<std::unique_ptr<Entry>> _entries;
    std::map<Variable::id_type, Entry*> _map;
};
 
}// namespace sf