LocalizedString.h

#ifndef LocalizedString_H
#define LocalizedString_H
 
class ILocalizedStringImpl
{
  public:
    virtual ~ILocalizedStringImpl() = default;
    virtual void Load(const std::string& sGroup, const std::string& sName) = 0;
    [[nodiscard]] virtual auto GetLocalized() const -> const std::string& = 0;
};
class LocalizedString
{
  public:
    LocalizedString(const std::string& sGroup = "",
                    const std::string& sName = "");
    LocalizedString(LocalizedString const& other);
    ~LocalizedString();
    void Load(const std::string& sGroup, const std::string& sName);
    operator const std::string &() const { return GetValue(); }
    [[nodiscard]] auto GetValue() const -> const std::string&;
 
    using MakeLocalizer = ILocalizedStringImpl* (*)();
    static void RegisterLocalizer(MakeLocalizer pFunc);
 
  private:
    void CreateImpl();
    std::string m_sGroup, m_sName;
    ILocalizedStringImpl* m_pImpl;
    // Swallow up warnings. If they must be used, define them.
    auto operator=(const LocalizedString& rhs) -> LocalizedString& = delete;
};
 
#endif