From 43aeee743fe1376ac93073b30b03849f73d7aba3 Mon Sep 17 00:00:00 2001
From: Vinicius Rangel <me@viniciusrangel.dev>
Date: Tue, 24 Sep 2024 23:56:31 -0300
Subject: [PATCH] custom u8string formatter for fmt library

---
 src/common/logging/formatter.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/common/logging/formatter.h b/src/common/logging/formatter.h
index f80905cc3..2ad481b12 100644
--- a/src/common/logging/formatter.h
+++ b/src/common/logging/formatter.h
@@ -19,3 +19,27 @@ struct fmt::formatter<T, std::enable_if_t<std::is_enum_v<T>, char>>
     }
 };
 #endif
+
+namespace fmt {
+template <typename T = std::string_view>
+struct UTF {
+    T data;
+
+    explicit UTF(const std::u8string_view view) {
+        data = T{(const char*)&view.front(), (const char*)&view.back()};
+    }
+
+    explicit UTF(const std::u8string& str)
+        : UTF(std::u8string_view{str}) {
+    }
+};
+}
+
+template <>
+struct fmt::formatter<fmt::UTF<std::string_view>, char>
+    : formatter<std::string_view> {
+    template <typename FormatContext>
+    auto format(const UTF<std::string_view>& wrapper, FormatContext& ctx) const {
+        return formatter<std::string_view>::format(wrapper.data, ctx);
+    }
+};
\ No newline at end of file