Embedded Template Library  1.0
enum_type.h
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3 /******************************************************************************
4 The MIT License(MIT)
5 
6 Embedded Template Library.
7 https://github.com/ETLCPP/etl
8 https://www.etlcpp.com
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10 Copyright(c) 2014 jwellbelove
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30 
31 #ifndef ETL_ENUM_TYPE_INCLUDED
32 #define ETL_ENUM_TYPE_INCLUDED
33 
34 #include "platform.h"
35 
81 
82 //*****************************************************************************
83 // The declaration of the member functions and the first section of the 'c_str' function.
84 //*****************************************************************************
85 #define ETL_DECLARE_ENUM_TYPE(TypeName, ValueType) \
86  typedef ValueType value_type; \
87  TypeName() : value(static_cast<enum_type>(value_type())) {} \
88  TypeName(const TypeName &other) : value(other.value) {} \
89  TypeName(enum_type value_) : value(value_) {} \
90  TypeName& operator=(const TypeName &other) {value = other.value; return *this;} \
91  explicit TypeName(value_type value_) : value(static_cast<enum_type>(value_)) {} \
92  operator value_type() const {return static_cast<value_type>(value);} \
93  value_type get_value() const {return static_cast<value_type>(value);} \
94  enum_type get_enum() const {return value;} \
95  const char* c_str() const \
96  { \
97  switch (value) \
98  {
99 
100 //*****************************************************************************
101 // A case in the 'c_str' function's switch statement.
102 //*****************************************************************************
103 #define ETL_ENUM_TYPE(value, name) \
104  case value: \
105  return name; \
106 
107 //*****************************************************************************
108 // The final section of the 'c_str' function and the value declaration.
109 //*****************************************************************************
110 #define ETL_END_ENUM_TYPE \
111  default: \
112  return "?"; \
113  } \
114  } \
115 private: \
116  enum_type value;
117 
118 #endif