level color

include/spdlog/common.h

@@ -80,6 +80,19 @@ static const char* level_names[] { "trace", "debug", "info",  "warning", "error"
 
 static const char* short_level_names[] { "T", "D", "I", "W", "E", "C", "O" };
 
+static const char* level_color[] {
+    "\e[34m",   // trace -> Blue
+    "\e[34m",   // debug -> Blue
+    "\e[96m",   // info -> Light cyan
+    "\e[96m",   // notice -> Light cyan
+    "\e[43m",   // warning -> Yellow
+    "\e[91m",   // error -> Light red
+    "\e[91m",   // critical -> Light red
+    "\e[91m",   // alert -> Light red
+    "\e[91m",   // emerg -> Light red
+    ""
+};
+
 inline const char* to_str(spdlog::level::level_enum l)
 {
     return level_names[l];
@@ -89,6 +102,11 @@ inline const char* to_short_str(spdlog::level::level_enum l)
 {
     return short_level_names[l];
 }
+
+inline const char* get_color(spdlog::level::level_enum l)
+{
+    return level_color[l];
+}
 } //level
 
 

include/spdlog/details/pattern_formatter_impl.h

@@ -440,7 +440,7 @@ class full_formatter:public flag_formatter
         msg.formatted << '[' << *msg.logger_name << "] ";
 #endif
 
-        msg.formatted << '[' << level::to_str(msg.level) << "] ";
+        msg.formatted << '[' << level::get_color(msg.level) << level::to_str(msg.level) << "\e[0m" << "] ";
         msg.formatted << fmt::StringRef(msg.raw.data(), msg.raw.size());
     }
 };