1 files changed, 46 insertions, 0 deletions
diff --git a/src/brussel.common/Uid.hpp b/src/brussel.common/Uid.hpp
new file mode 100644
index 0000000..a691911
--- /dev/null
+++ b/src/brussel.common/Uid.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include "Utils.hpp"
+
+#include <rapidjson/fwd.h>
+#include <cinttypes>
+#include <functional>
+#include <string>
+#include <string_view>
+
+#define BRUSSEL_Uid_SCAN_STR "%" PRIx64 "-%" PRIx64
+#define BRUSSEL_Uid_SCAN_EXPAND(uid) &((uid).upper), &((uid).upper)
+#define BRUSSEL_Uid_FORMAT_STR "%016" PRIx64 "-%016" PRIx64
+#define BRUSSEL_Uid_FORMAT_EXPAND(uid) (uid).upper, (uid).lower
+
+// Serialize Uid object as an array with two elements, instead of the simple string format
+#define BRUSSEL_Uid_WRITE_USE_ARRAY 0
+
+struct Uid {
+	uint64_t upper = 0;
+	uint64_t lower = 0;
+
+	// Generate a random Uid
+	static Uid Create();
+
+	bool IsNull() const;
+
+	void ReadString(std::string_view str);
+	std::string WriteString();
+
+	void Read(const rapidjson::Value& value);
+	void WriteInto(rapidjson::Value& value, rapidjson::Document& root) const;
+	rapidjson::Value Write(rapidjson::Document& root) const;
+
+	auto operator<=>(const Uid&) const = default;
+};
+
+template <>
+struct std::hash<Uid> {
+	size_t operator()(const Uid& uid) const {
+		size_t hash = 0;
+		Utils::HashCombine(hash, uid.upper);
+		Utils::HashCombine(hash, uid.lower);
+		return hash;
+	}
+};