common: fs: fs_util: Add more string conversion functions

1 files changed, 23 insertions, 0 deletions

diff --git a/src/common/fs/fs_util.h b/src/common/fs/fs_util.h
index 951df53b6..de452c0f6 100644
--- a/src/common/fs/fs_util.h
+++ b/src/common/fs/fs_util.h
@@ -5,9 +5,12 @@
 #pragma once
 
 #include <concepts>
+#include <span>
 #include <string>
 #include <string_view>
 
+#include "common/common_types.h"
+
 namespace Common::FS {
 
 template <typename T>
@@ -22,4 +25,24 @@ concept IsChar = std::same_as<T, char>;
  */
 [[nodiscard]] std::u8string ToU8String(std::string_view utf8_string);
 
+/**
+ * Converts a buffer of bytes to a UTF8-encoded std::u8string.
+ * This converts from the start of the buffer until the first encountered null-terminator.
+ * If no null-terminator is found, this converts the entire buffer instead.
+ *
+ * @param buffer Buffer of bytes
+ *
+ * @returns UTF-8 encoded std::u8string.
+ */
+[[nodiscard]] std::u8string BufferToU8String(std::span<const u8> buffer);
+
+/**
+ * Converts a std::u8string or std::u8string_view to a UTF-8 encoded std::string.
+ *
+ * @param u8_string UTF-8 encoded u8string
+ *
+ * @returns UTF-8 encoded std::string.
+ */
+[[nodiscard]] std::string ToUTF8String(std::u8string_view u8_string);
+
 } // namespace Common::FS