Small refactoring and support wchar again

include/spdlog/details/fmt_helper.h

@@ -13,6 +13,11 @@ namespace spdlog {
 namespace details {
 namespace fmt_helper {
 
+template<size_t Buffer_Size>
+inline fmt::string_view to_string_view(const fmt::basic_memory_buffer<char, Buffer_Size> &buf) SPDLOG_NOEXCEPT
+{
+    return fmt::string_view(buf.data(), buf.size());
+}
 template<size_t Buffer_Size1, size_t Buffer_Size2>
 inline void append_buf(const fmt::basic_memory_buffer<char, Buffer_Size1> &buf, fmt::basic_memory_buffer<char, Buffer_Size2> &dest)
 {

include/spdlog/details/logger_impl.h

@@ -63,9 +63,10 @@ inline void spdlog::logger::log(level::level_enum lvl, const char *fmt, const Ar
 
     try
     {
+        using details::fmt_helper::to_string_view;
         fmt::memory_buffer buf;
         fmt::format_to(buf, fmt, args...);
-        details::log_msg log_msg(&name_, lvl, fmt::string_view(buf.data(), buf.size()));
+        details::log_msg log_msg(&name_, lvl, to_string_view(buf));
         sink_it_(log_msg);
     }
     SPDLOG_CATCH_AND_HANDLE
@@ -95,9 +96,10 @@ inline void spdlog::logger::log(level::level_enum lvl, const T &msg)
     }
     try
     {
+        using details::fmt_helper::to_string_view;
         fmt::memory_buffer buf;
         fmt::format_to(buf, "{}", msg);
-        details::log_msg log_msg(&name_, lvl, fmt::string_view(buf.data(), buf.size()));
+        details::log_msg log_msg(&name_, lvl, to_string_view(buf));
         sink_it_(log_msg);
     }
     SPDLOG_CATCH_AND_HANDLE
@@ -209,11 +211,14 @@ inline void spdlog::logger::log(level::level_enum lvl, const wchar_t *fmt, const
     try
     {
         // format to wmemory_buffer and convert to utf8
-        details::log_msg log_msg(&name_, lvl);
+        using details::fmt_helper::to_string_view;
         fmt::wmemory_buffer wbuf;
         fmt::format_to(wbuf, fmt, args...);
-        wbuf_to_utf8buf(wbuf, log_msg.raw);
+        fmt::memory_buffer buf;
+        wbuf_to_utf8buf(wbuf, buf);
+        details::log_msg log_msg(&name_, lvl, to_string_view(buf));
         sink_it_(log_msg);
+
     }
     SPDLOG_CATCH_AND_HANDLE
 }

include/spdlog/details/pattern_formatter.h

@@ -83,7 +83,6 @@ class a_formatter : public flag_formatter
 {
     void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
     {
-        // fmt_helper::append_string_view(days[tm_time.tm_wday], dest);
         fmt_helper::append_string_view(days[tm_time.tm_wday], dest);
     }
 };
@@ -94,7 +93,6 @@ class A_formatter : public flag_formatter
 {
     void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
     {
-        // fmt_helper::append_string_view(full_days[tm_time.tm_wday], dest);
         fmt_helper::append_string_view(full_days[tm_time.tm_wday], dest);
     }
 };
@@ -105,7 +103,6 @@ class b_formatter : public flag_formatter
 {
     void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
     {
-        // fmt_helper::append_string_view(months[tm_time.tm_mon], dest);
         fmt_helper::append_string_view(months[tm_time.tm_mon], dest);
     }
 };