From aaa6e73c8ca6d60e943cb964605536eb78219db2 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Tue, 15 Aug 2023 20:10:04 +0200
Subject: Core/Logging: Switch from fmt::sprintf to fmt::format (c++20 standard
 compatible api)

(cherry picked from commit d791afae1dfcfaf592326f787755ca32d629e4d3)
---
 src/common/Utilities/StringFormat.h | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

(limited to 'src/common/Utilities/StringFormat.h')

diff --git a/src/common/Utilities/StringFormat.h b/src/common/Utilities/StringFormat.h
index da1615575a4..b4d4d9e5743 100644
--- a/src/common/Utilities/StringFormat.h
+++ b/src/common/Utilities/StringFormat.h
@@ -18,22 +18,24 @@
 #ifndef TRINITYCORE_STRING_FORMAT_H
 #define TRINITYCORE_STRING_FORMAT_H
 
-#include "fmt/printf.h"
+#include "fmt/core.h"
 
 namespace Trinity
 {
+    template<typename... Args>
+    using FormatString = std::string_view;
+
     /// Default TC string format function.
-    template<typename Format, typename... Args>
-    inline std::string StringFormat(Format&& fmt, Args&&... args)
+    template<typename... Args>
+    inline std::string StringFormat(FormatString<Args...> fmt, Args&&... args)
     {
         try
         {
-            return fmt::sprintf(std::forward<Format>(fmt), std::forward<Args>(args)...);
+            return fmt::format(fmt, std::forward<Args>(args)...);
         }
-        catch (const fmt::format_error& formatError)
+        catch (std::exception const& formatError)
         {
-            std::string error = "An error occurred formatting string \"" + std::string(fmt) + "\" : " + std::string(formatError.what());
-            return error;
+            return fmt::format("An error occurred formatting string \"{}\" : {}", fmt, formatError.what());
         }
     }
 
@@ -48,6 +50,12 @@ namespace Trinity
     {
         return fmt.empty();
     }
+
+    /// Returns true if the given std::string is empty.
+    inline constexpr bool IsFormatEmptyOrNull(std::string_view fmt)
+    {
+        return fmt.empty();
+    }
 }
 
 #endif
-- 
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