Core/Log: Add type safe formatting

* improves safety and log speed through:
  - variadic templates
  - perfect forwarding
* fixes a newline in db logs
* improve performance of Appender::write by using std::ostringstream && std::move

1 files changed, 34 insertions, 0 deletions

diff --git a/src/server/shared/Utilities/StringFormat.h b/src/server/shared/Utilities/StringFormat.h
new file mode 100644
index 00000000000..70d9aefb14d
--- /dev/null
+++ b/src/server/shared/Utilities/StringFormat.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TRINITYCORE_STRING_FORMAT_H
+#define TRINITYCORE_STRING_FORMAT_H
+
+#include <format.h>
+
+namespace Trinity
+{
+    //! Default TC string format function
+    template<typename... Args>
+    inline std::string StringFormat(const char* fmt, Args const&... args)
+    {
+        return fmt::sprintf(fmt, args...);
+    }
+}
+
+#endif