Uuid.hpp

#pragma once
 
#include <stdint.h>
#include <string>
 
namespace Grindstone {
    class Uuid {
    public:
        static bool MakeFromString(const std::string& str, Grindstone::Uuid& outUuid);
        static bool MakeFromString(const char* str, Grindstone::Uuid& outUuid);
 
        Uuid();
        void operator=(const Uuid& other);
        std::string ToString() const;
        bool operator==(const Uuid& other) const;
        bool operator!=(const Uuid& other) const;
        bool operator<(const Uuid& other) const;
        bool IsValid() const;
        operator std::string() const;
 
        static Uuid CreateRandom();
 
        union {
            uint8_t asUint8[16];
            uint16_t asUint16[8];
            uint32_t asUint32[4];
            uint64_t asUint64[2];
        };
    };
}
 
template <>
struct std::hash<Grindstone::Uuid>
{
    std::size_t operator()(const Grindstone::Uuid& k) const {
        using std::size_t;
 
        return k.asUint64[0] ^ k.asUint64[1];
    }
};