Add serialization for unique_ptr and shared_ptr
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@ -14,6 +14,7 @@
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#include <limits>
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#include <list>
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#include <map>
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#include <memory>
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#include <set>
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#include <stdint.h>
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#include <string>
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@ -28,6 +29,20 @@
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static const unsigned int MAX_SIZE = 0x02000000;
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/**
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* Dummy data type to identify deserializing constructors.
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*
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* By convention, a constructor of a type T with signature
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*
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* template <typename Stream> T::T(deserialize_type, Stream& s)
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*
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* is a deserializing constructor, which builds the type by
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* deserializing it from s. If T contains const fields, this
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* is likely the only way to do so.
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*/
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struct deserialize_type {};
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constexpr deserialize_type deserialize {};
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/**
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* Used to bypass the rule against non-const reference to temporary
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* where it makes sense with wrappers such as CFlatData or CTxDB
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@ -543,7 +558,17 @@ template<typename Stream, typename K, typename Pred, typename A> void Unserializ
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template<typename Stream, typename T, typename A> void Serialize(Stream& os, const std::list<T, A>& m);
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template<typename Stream, typename T, typename A> void Unserialize(Stream& is, std::list<T, A>& m);
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/**
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* shared_ptr
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*/
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template<typename Stream, typename T> void Serialize(Stream& os, const std::shared_ptr<const T>& p);
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template<typename Stream, typename T> void Unserialize(Stream& os, std::shared_ptr<const T>& p);
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/**
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* unique_ptr
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*/
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template<typename Stream, typename T> void Serialize(Stream& os, const std::unique_ptr<const T>& p);
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template<typename Stream, typename T> void Unserialize(Stream& os, std::unique_ptr<const T>& p);
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@ -881,6 +906,40 @@ void Unserialize(Stream& is, std::list<T, A>& l)
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/**
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* unique_ptr
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*/
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template<typename Stream, typename T> void
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Serialize(Stream& os, const std::unique_ptr<const T>& p)
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{
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Serialize(os, *p);
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}
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template<typename Stream, typename T>
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void Unserialize(Stream& is, std::unique_ptr<const T>& p)
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{
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p.reset(new T(deserialize, is));
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}
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/**
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* shared_ptr
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*/
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template<typename Stream, typename T> void
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Serialize(Stream& os, const std::shared_ptr<const T>& p)
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{
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Serialize(os, *p);
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}
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template<typename Stream, typename T>
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void Unserialize(Stream& is, std::shared_ptr<const T>& p)
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{
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p = std::make_shared<const T>(deserialize, is);
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}
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/**
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* Support for ADD_SERIALIZE_METHODS and READWRITE macro
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*/
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