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Add ser/des for unordered_set #187

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Add ser/des for unordered_set #187

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8324b8a
Load json value from unordered_set.
Mar 7, 2025
cca0012
Merge branch 'master' into sw_loadunorderedset
May 13, 2025
7b48a76
Serialize unordered set to an array
manujtrehan May 15, 2025
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30 changes: 30 additions & 0 deletions include/mujincontrollerclient/mujinjson.h
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
#include <stdexcept>
#include <vector>
#include <unordered_map>
#include <unordered_set>
#include <map>
#include <deque>
#include <iostream>
Expand Down Expand Up @@ -636,6 +637,23 @@ inline void LoadJsonValue(const rapidjson::GenericValue<Encoding, Allocator>& v,
}
}

template <typename U, typename Encoding=rapidjson::UTF8<>, typename Allocator=rapidjson::MemoryPoolAllocator<> >
inline void LoadJsonValue(const rapidjson::GenericValue<Encoding, Allocator>& v, std::unordered_set<U>& t)
{
// to construct an unordered set from an array
if (!v.IsArray()) {
throw MujinJSONException("Cannot convert json type " + GetJsonTypeName(v) + " to unordered_set");
}

// Ensure our output is a blank slate
t.clear();
for (typename rapidjson::GenericValue<Encoding, Allocator>::ConstValueIterator it = v.Begin(); it != v.End(); ++it) {
U value;
LoadJsonValue(*it, value);
t.insert(value);
}
}

template<typename U, typename Encoding=rapidjson::UTF8<>, typename Allocator=rapidjson::MemoryPoolAllocator<> >
inline void LoadJsonValue(const rapidjson::GenericValue<Encoding, Allocator>& v, std::unordered_map<std::string, U>& t) {
// It doesn't make sense to construct an unordered map from anything other
Expand Down Expand Up @@ -841,6 +859,17 @@ inline void SaveJsonValue(rapidjson::GenericValue<Encoding, Allocator>& v, const
}
}

template <typename U, typename Encoding, typename Allocator, typename Allocator2>
inline void SaveJsonValue(rapidjson::GenericValue<Encoding, Allocator>& v, const std::unordered_set<U>& t, Allocator2& alloc) {
v.SetArray();
v.Reserve(t.size(), alloc);
for (typename std::unordered_set<U>::const_iterator it = t.begin(); it != t.end(); ++it) {
rapidjson::GenericValue<Encoding, Allocator> value;
SaveJsonValue(value, *it, alloc);
v.PushBack(value, alloc);
}
}

template<typename U, typename Encoding, typename Allocator, typename Allocator2 >
inline void SaveJsonValue(rapidjson::GenericValue<Encoding, Allocator>& v, const std::unordered_map<std::string, U>& t, Allocator2& alloc) {
v.SetObject();
Expand Down Expand Up @@ -1195,6 +1224,7 @@ inline bool UpdateJsonRecursively(rapidjson::GenericValue<Encoding, Allocator>&
return hasChanged;
}


} // namespace mujinjson

#endif