Reflection for RapidJSON  0.0.9
Reflection for serializing/deserializing with RapidJSON
traits.h
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1 #ifndef REFLECTIVE_RAPIDJSON_TRAITS
2 #define REFLECTIVE_RAPIDJSON_TRAITS
3 
4 #include <c++utilities/misc/traits.h>
5 
6 #include <map>
7 #include <set>
8 #include <string>
9 #include <unordered_map>
10 #include <unordered_set>
11 
13 
14 namespace Traits = ::CppUtilities::Traits;
15 
16 // define structs and macros to allow treating custom data types as std::map, std::set, ...
18 template <typename T> struct TreatAsMapOrHash : public Traits::Bool<false> {
19 };
21 template <typename T> struct TreatAsMultiMapOrHash : public Traits::Bool<false> {
22 };
24 template <typename T> struct TreatAsSet : public Traits::Bool<false> {
25 };
27 template <typename T> struct TreatAsMultiSet : public Traits::Bool<false> {
28 };
29 
30 #define REFLECTIVE_RAPIDJSON_TREAT_AS_MAP_OR_HASH(T) \
31  template <> struct TreatAsMapOrHash<T> : public Traits::Bool<true> { \
32  }
33 #define REFLECTIVE_RAPIDJSON_TREAT_AS_MULTI_MAP_OR_HASH(T) \
34  template <> struct TreatAsMultiMapOrHash<T> : public Traits::Bool<true> { \
35  }
36 #define REFLECTIVE_RAPIDJSON_TREAT_AS_SET(T) \
37  template <> struct TreatAsSet<T> : public Traits::Bool<true> { \
38  }
39 #define REFLECTIVE_RAPIDJSON_TREAT_AS_MULTI_SET(T) \
40  template <> struct TreatAsMultiSet<T> : public Traits::Bool<true> { \
41  }
42 
43 // define traits to check for arrays, sets and maps
44 template <typename Type>
45 using IsMapOrHash
46  = Traits::Any<Traits::IsSpecializationOf<Type, std::map>, Traits::IsSpecializationOf<Type, std::unordered_map>, TreatAsMapOrHash<Type>>;
47 template <typename Type>
48 using IsMultiMapOrHash = Traits::Any<Traits::IsSpecializationOf<Type, std::multimap>, Traits::IsSpecializationOf<Type, std::unordered_multimap>,
50 template <typename Type>
51 using IsSet = Traits::Any<Traits::IsSpecializationOf<Type, std::set>, Traits::IsSpecializationOf<Type, std::unordered_set>, TreatAsSet<Type>>;
52 template <typename Type>
53 using IsMultiSet
54  = Traits::Any<Traits::IsSpecializationOf<Type, std::multiset>, Traits::IsSpecializationOf<Type, std::unordered_multiset>, TreatAsMultiSet<Type>>;
55 template <typename Type>
56 using IsArrayOrSet = Traits::Any<Traits::All<Traits::IsIteratable<Type>, Traits::Not<Traits::IsSpecializationOf<Type, std::basic_string>>,
57  Traits::Not<IsMapOrHash<Type>>, Traits::Not<IsMultiMapOrHash<Type>>>,
59 template <typename Type>
60 using IsArray = Traits::All<Traits::IsIteratable<Type>, Traits::Not<Traits::IsSpecializationOf<Type, std::basic_string>>,
61  Traits::Not<IsMapOrHash<Type>>, Traits::Not<IsSet<Type>>, Traits::Not<IsMultiSet<Type>>>;
62 template <typename Type>
63 using IsIteratableExceptString = Traits::All<Traits::IsIteratable<Type>, Traits::Not<Traits::IsSpecializationOf<Type, std::basic_string>>>;
64 
65 } // namespace ReflectiveRapidJSON
66 
67 #endif // REFLECTIVE_RAPIDJSON_TRAITS
ReflectiveRapidJSON::TreatAsMultiMapOrHash
The TreatAsMultiMapOrHash class allows treating custom classes as std::multimap or std::unordered_mul...
Definition: traits.h:21
ReflectiveRapidJSON::IsArrayOrSet
Traits::Any< Traits::All< Traits::IsIteratable< Type >, Traits::Not< Traits::IsSpecializationOf< Type, std::basic_string > >, Traits::Not< IsMapOrHash< Type > >, Traits::Not< IsMultiMapOrHash< Type > >>, TreatAsSet< Type >, TreatAsMultiSet< Type > > IsArrayOrSet
Definition: traits.h:58
ReflectiveRapidJSON::IsIteratableExceptString
Traits::All< Traits::IsIteratable< Type >, Traits::Not< Traits::IsSpecializationOf< Type, std::basic_string > >> IsIteratableExceptString
Definition: traits.h:63
ReflectiveRapidJSON::IsMapOrHash
Traits::Any< Traits::IsSpecializationOf< Type, std::map >, Traits::IsSpecializationOf< Type, std::unordered_map >, TreatAsMapOrHash< Type > > IsMapOrHash
Definition: traits.h:46
ReflectiveRapidJSON::IsSet
Traits::Any< Traits::IsSpecializationOf< Type, std::set >, Traits::IsSpecializationOf< Type, std::unordered_set >, TreatAsSet< Type > > IsSet
Definition: traits.h:51
ReflectiveRapidJSON
Definition: traits.h:12
ReflectiveRapidJSON::IsMultiMapOrHash
Traits::Any< Traits::IsSpecializationOf< Type, std::multimap >, Traits::IsSpecializationOf< Type, std::unordered_multimap >, TreatAsMultiMapOrHash< Type > > IsMultiMapOrHash
Definition: traits.h:49
ReflectiveRapidJSON::IsMultiSet
Traits::Any< Traits::IsSpecializationOf< Type, std::multiset >, Traits::IsSpecializationOf< Type, std::unordered_multiset >, TreatAsMultiSet< Type > > IsMultiSet
Definition: traits.h:54
ReflectiveRapidJSON::TreatAsSet
The TreatAsSet class allows treating custom classes as std::set or std::unordered_set.
Definition: traits.h:24
ReflectiveRapidJSON::TreatAsMultiSet
The TreatAsMultiSet class allows treating custom classes as std::multiset or std::unordered_multiset.
Definition: traits.h:27
ReflectiveRapidJSON::JsonType::Bool
ReflectiveRapidJSON::TreatAsMapOrHash
The TreatAsMapOrHash class allows treating custom classes as std::map or std::unordered_map.
Definition: traits.h:18
ReflectiveRapidJSON::IsArray
Traits::All< Traits::IsIteratable< Type >, Traits::Not< Traits::IsSpecializationOf< Type, std::basic_string > >, Traits::Not< IsMapOrHash< Type > >, Traits::Not< IsSet< Type > >, Traits::Not< IsMultiSet< Type > >> IsArray
Definition: traits.h:61