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Starts towards BSON serialisation for all deflectable structs.

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Still to be tackled: arrays, enumerated types should probably be encoded as strings, deserialisation, probably distinguish get and fuzzy_get...
This commit is contained in:
Thomas Harte
2020-05-22 00:31:40 -04:00
parent 74fb697fa6
commit d36e592afb
2 changed files with 179 additions and 10 deletions
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Reflection/Struct.hpp
+14 -10
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@@ -38,6 +38,20 @@ struct Struct {
*/
std::string description() const;
/*!
@returns The BSON serialisation of this struct.
*/
std::vector<uint8_t> serialise() const;
/*!
Applies as many fields as possible from the incoming BSON.
*/
bool deserialise(const std::vector<uint8_t> &bson);
/*!
*/
virtual bool should_serialise(const std::string &key) const { return true; }
private:
void append(std::ostringstream &stream, const std::string &key, const std::type_info *type, size_t offset) const;
};
@@ -105,16 +119,6 @@ template <typename Type> bool get(const Struct &target, const std::string &name,
*/
template <typename Type> Type get(const Struct &target, const std::string &name, size_t offset = 0);
// TODO: move this elsewhere. It's just a sketch anyway.
struct Serialisable {
/// Serialises this object, appending it to @c target.
virtual void serialise(std::vector<uint8_t> &target) = 0;
/// Deserialises this object from @c source.
/// @returns @c true if the deserialisation was successful; @c false otherwise.
virtual bool deserialise(const std::vector<uint8_t> &source) = 0;
};
template <typename Owner> class StructImpl: public Struct {
public:
/*!