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-rw-r--r--src/common/uuid.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/common/uuid.h b/src/common/uuid.h
index 0ffa37e7c..2353179d8 100644
--- a/src/common/uuid.h
+++ b/src/common/uuid.h
@@ -5,6 +5,7 @@
#pragma once
#include <string>
+#include <string_view>
#include "common/common_types.h"
@@ -12,12 +13,30 @@ namespace Common {
constexpr u128 INVALID_UUID{{0, 0}};
+/**
+ * Converts a hex string to a 128-bit unsigned integer.
+ *
+ * The hex string can be formatted in lowercase or uppercase, with or without the "0x" prefix.
+ *
+ * This function will assert and return INVALID_UUID under the following conditions:
+ * - If the hex string is more than 32 characters long
+ * - If the hex string contains non-hexadecimal characters
+ *
+ * @param hex_string Hexadecimal string
+ *
+ * @returns A 128-bit unsigned integer if successfully converted, INVALID_UUID otherwise.
+ */
+[[nodiscard]] u128 HexStringToU128(std::string_view hex_string);
+
struct UUID {
// UUIDs which are 0 are considered invalid!
u128 uuid;
UUID() = default;
constexpr explicit UUID(const u128& id) : uuid{id} {}
constexpr explicit UUID(const u64 lo, const u64 hi) : uuid{{lo, hi}} {}
+ explicit UUID(std::string_view hex_string) {
+ uuid = HexStringToU128(hex_string);
+ }
[[nodiscard]] constexpr explicit operator bool() const {
return uuid != INVALID_UUID;
@@ -50,3 +69,14 @@ struct UUID {
static_assert(sizeof(UUID) == 16, "UUID is an invalid size!");
} // namespace Common
+
+namespace std {
+
+template <>
+struct hash<Common::UUID> {
+ size_t operator()(const Common::UUID& uuid) const noexcept {
+ return uuid.uuid[1] ^ uuid.uuid[0];
+ }
+};
+
+} // namespace std