318
+ − 1 #ifndef TOML11_MACROS_HPP
+ − 2 #define TOML11_MACROS_HPP
+ − 3
+ − 4 #define TOML11_STRINGIZE_AUX(x) #x
+ − 5 #define TOML11_STRINGIZE(x) TOML11_STRINGIZE_AUX(x)
+ − 6
+ − 7 #define TOML11_CONCATENATE_AUX(x, y) x##y
+ − 8 #define TOML11_CONCATENATE(x, y) TOML11_CONCATENATE_AUX(x, y)
+ − 9
+ − 10 // ============================================================================
+ − 11 // TOML11_DEFINE_CONVERSION_NON_INTRUSIVE
+ − 12
+ − 13 #ifndef TOML11_WITHOUT_DEFINE_NON_INTRUSIVE
+ − 14
+ − 15 // ----------------------------------------------------------------------------
+ − 16 // TOML11_ARGS_SIZE
+ − 17
+ − 18 #define TOML11_INDEX_RSEQ() \
+ − 19 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, \
+ − 20 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
+ − 21 #define TOML11_ARGS_SIZE_IMPL(\
+ − 22 ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7, ARG8, ARG9, ARG10, \
+ − 23 ARG11, ARG12, ARG13, ARG14, ARG15, ARG16, ARG17, ARG18, ARG19, ARG20, \
+ − 24 ARG21, ARG22, ARG23, ARG24, ARG25, ARG26, ARG27, ARG28, ARG29, ARG30, \
+ − 25 ARG31, ARG32, N, ...) N
+ − 26 #define TOML11_ARGS_SIZE_AUX(...) TOML11_ARGS_SIZE_IMPL(__VA_ARGS__)
+ − 27 #define TOML11_ARGS_SIZE(...) TOML11_ARGS_SIZE_AUX(__VA_ARGS__, TOML11_INDEX_RSEQ())
+ − 28
+ − 29 // ----------------------------------------------------------------------------
+ − 30 // TOML11_FOR_EACH_VA_ARGS
+ − 31
+ − 32 #define TOML11_FOR_EACH_VA_ARGS_AUX_1( FUNCTOR, ARG1 ) FUNCTOR(ARG1)
+ − 33 #define TOML11_FOR_EACH_VA_ARGS_AUX_2( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_1( FUNCTOR, __VA_ARGS__)
+ − 34 #define TOML11_FOR_EACH_VA_ARGS_AUX_3( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_2( FUNCTOR, __VA_ARGS__)
+ − 35 #define TOML11_FOR_EACH_VA_ARGS_AUX_4( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_3( FUNCTOR, __VA_ARGS__)
+ − 36 #define TOML11_FOR_EACH_VA_ARGS_AUX_5( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_4( FUNCTOR, __VA_ARGS__)
+ − 37 #define TOML11_FOR_EACH_VA_ARGS_AUX_6( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_5( FUNCTOR, __VA_ARGS__)
+ − 38 #define TOML11_FOR_EACH_VA_ARGS_AUX_7( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_6( FUNCTOR, __VA_ARGS__)
+ − 39 #define TOML11_FOR_EACH_VA_ARGS_AUX_8( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_7( FUNCTOR, __VA_ARGS__)
+ − 40 #define TOML11_FOR_EACH_VA_ARGS_AUX_9( FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_8( FUNCTOR, __VA_ARGS__)
+ − 41 #define TOML11_FOR_EACH_VA_ARGS_AUX_10(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_9( FUNCTOR, __VA_ARGS__)
+ − 42 #define TOML11_FOR_EACH_VA_ARGS_AUX_11(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_10(FUNCTOR, __VA_ARGS__)
+ − 43 #define TOML11_FOR_EACH_VA_ARGS_AUX_12(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_11(FUNCTOR, __VA_ARGS__)
+ − 44 #define TOML11_FOR_EACH_VA_ARGS_AUX_13(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_12(FUNCTOR, __VA_ARGS__)
+ − 45 #define TOML11_FOR_EACH_VA_ARGS_AUX_14(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_13(FUNCTOR, __VA_ARGS__)
+ − 46 #define TOML11_FOR_EACH_VA_ARGS_AUX_15(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_14(FUNCTOR, __VA_ARGS__)
+ − 47 #define TOML11_FOR_EACH_VA_ARGS_AUX_16(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_15(FUNCTOR, __VA_ARGS__)
+ − 48 #define TOML11_FOR_EACH_VA_ARGS_AUX_17(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_16(FUNCTOR, __VA_ARGS__)
+ − 49 #define TOML11_FOR_EACH_VA_ARGS_AUX_18(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_17(FUNCTOR, __VA_ARGS__)
+ − 50 #define TOML11_FOR_EACH_VA_ARGS_AUX_19(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_18(FUNCTOR, __VA_ARGS__)
+ − 51 #define TOML11_FOR_EACH_VA_ARGS_AUX_20(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_19(FUNCTOR, __VA_ARGS__)
+ − 52 #define TOML11_FOR_EACH_VA_ARGS_AUX_21(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_20(FUNCTOR, __VA_ARGS__)
+ − 53 #define TOML11_FOR_EACH_VA_ARGS_AUX_22(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_21(FUNCTOR, __VA_ARGS__)
+ − 54 #define TOML11_FOR_EACH_VA_ARGS_AUX_23(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_22(FUNCTOR, __VA_ARGS__)
+ − 55 #define TOML11_FOR_EACH_VA_ARGS_AUX_24(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_23(FUNCTOR, __VA_ARGS__)
+ − 56 #define TOML11_FOR_EACH_VA_ARGS_AUX_25(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_24(FUNCTOR, __VA_ARGS__)
+ − 57 #define TOML11_FOR_EACH_VA_ARGS_AUX_26(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_25(FUNCTOR, __VA_ARGS__)
+ − 58 #define TOML11_FOR_EACH_VA_ARGS_AUX_27(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_26(FUNCTOR, __VA_ARGS__)
+ − 59 #define TOML11_FOR_EACH_VA_ARGS_AUX_28(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_27(FUNCTOR, __VA_ARGS__)
+ − 60 #define TOML11_FOR_EACH_VA_ARGS_AUX_29(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_28(FUNCTOR, __VA_ARGS__)
+ − 61 #define TOML11_FOR_EACH_VA_ARGS_AUX_30(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_29(FUNCTOR, __VA_ARGS__)
+ − 62 #define TOML11_FOR_EACH_VA_ARGS_AUX_31(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_30(FUNCTOR, __VA_ARGS__)
+ − 63 #define TOML11_FOR_EACH_VA_ARGS_AUX_32(FUNCTOR, ARG1, ...) FUNCTOR(ARG1) TOML11_FOR_EACH_VA_ARGS_AUX_31(FUNCTOR, __VA_ARGS__)
+ − 64
+ − 65 #define TOML11_FOR_EACH_VA_ARGS(FUNCTOR, ...)\
+ − 66 TOML11_CONCATENATE(TOML11_FOR_EACH_VA_ARGS_AUX_, TOML11_ARGS_SIZE(__VA_ARGS__))(FUNCTOR, __VA_ARGS__)
+ − 67
+ − 68 // ----------------------------------------------------------------------------
+ − 69 // TOML11_DEFINE_CONVERSION_NON_INTRUSIVE
+ − 70
+ − 71 // use it in the following way.
+ − 72 // ```cpp
+ − 73 // namespace foo
+ − 74 // {
+ − 75 // struct Foo
+ − 76 // {
+ − 77 // std::string s;
+ − 78 // double d;
+ − 79 // int i;
+ − 80 // };
+ − 81 // } // foo
+ − 82 //
+ − 83 // TOML11_DEFINE_CONVERSION_NON_INTRUSIVE(foo::Foo, s, d, i)
+ − 84 // ```
+ − 85 // And then you can use `toml::find<foo::Foo>(file, "foo");`
+ − 86 //
+ − 87 #define TOML11_FIND_MEMBER_VARIABLE_FROM_VALUE(VAR_NAME)\
+ − 88 obj.VAR_NAME = toml::find<decltype(obj.VAR_NAME)>(v, TOML11_STRINGIZE(VAR_NAME));
+ − 89
+ − 90 #define TOML11_ASSIGN_MEMBER_VARIABLE_TO_VALUE(VAR_NAME)\
+ − 91 v[TOML11_STRINGIZE(VAR_NAME)] = obj.VAR_NAME;
+ − 92
+ − 93 #define TOML11_DEFINE_CONVERSION_NON_INTRUSIVE(NAME, ...)\
+ − 94 namespace toml { \
+ − 95 template<> \
+ − 96 struct from<NAME> \
+ − 97 { \
+ − 98 template<typename C, template<typename ...> class T, \
+ − 99 template<typename ...> class A> \
+ − 100 static NAME from_toml(const basic_value<C, T, A>& v) \
+ − 101 { \
+ − 102 NAME obj; \
+ − 103 TOML11_FOR_EACH_VA_ARGS(TOML11_FIND_MEMBER_VARIABLE_FROM_VALUE, __VA_ARGS__) \
+ − 104 return obj; \
+ − 105 } \
+ − 106 }; \
+ − 107 template<> \
+ − 108 struct into<NAME> \
+ − 109 { \
+ − 110 static value into_toml(const NAME& obj) \
+ − 111 { \
+ − 112 ::toml::value v = ::toml::table{}; \
+ − 113 TOML11_FOR_EACH_VA_ARGS(TOML11_ASSIGN_MEMBER_VARIABLE_TO_VALUE, __VA_ARGS__) \
+ − 114 return v; \
+ − 115 } \
+ − 116 }; \
+ − 117 } /* toml */
+ − 118
+ − 119 #endif// TOML11_WITHOUT_DEFINE_NON_INTRUSIVE
+ − 120
+ − 121 #endif// TOML11_MACROS_HPP
