Line data    Source code

       1              : #pragma once
       2              : 
       3              : #include <AH/Error/Error.hpp>
       4              : #include <AH/STL/type_traits>
       5              : #include <Def/Def.hpp>
       6              : #include <stdint.h>
       7              : 
       8              : BEGIN_CS_NAMESPACE
       9              : 
      10              : template <setting_t N> // TODO: check bounds here?
      11              : class Selectable {
      12              :   protected:
      13           38 :     Selectable(setting_t initialSelection = 0)
      14           38 :         : initialSelection(initialSelection) {}
      15              : 
      16              :   public:
      17              :     virtual void select(setting_t setting) = 0;
      18              : 
      19           96 :     static setting_t validateSetting(setting_t setting) {
      20              :         static_assert(std::is_unsigned<setting_t>::value,
      21              :                       "Error: setting_t should be an unsigned integer type.");
      22           96 :         if (setting >= N) {
      23            1 :             ERROR(F("Error: Setting ")
      24              :                       << setting
      25              :                       << F(" is not less than the number of settings (") << N
      26              :                       << ')',
      27              :                   0xFFFE);
      28              :             return N - 1;
      29              :         }
      30           95 :         return setting;
      31              :     }
      32              : 
      33            9 :     setting_t getInitialSelection() const { return initialSelection; }
      34              : 
      35              :     void setInitialSelection(setting_t initialSelection) {
      36              :         this->initialSelection = validateSetting(initialSelection);
      37              :     }
      38              : 
      39              :   private:
      40              :     setting_t initialSelection;
      41              : };
      42              : 
      43              : END_CS_NAMESPACE