Added support for logger->info(const T&) call style

include/spdlog/details/logger_impl.h

@@ -85,9 +85,17 @@ inline spdlog::details::line_logger spdlog::logger::_log_if_enabled(level::level
     return details::line_logger(this, lvl, should_log(lvl));
 }
 
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::_log_if_enabled(level::level_enum lvl, const T& msg)
+{
+    bool msg_enabled = should_log(lvl);
+    details::line_logger l(this, lvl, msg_enabled);
+    l << msg;
+    return l;
+}
 
 //
-// following functions will log only if at the right level
+// logger.info(cppformat_string, arg1, arg2, arg3, ...) call style
 //
 template <typename... Args>
 inline spdlog::details::line_logger spdlog::logger::trace(const char* fmt, const Args&... args)
@@ -143,19 +151,75 @@ inline spdlog::details::line_logger spdlog::logger::emerg(const char* fmt, const
     return _log_if_enabled(level::emerg, fmt, args...);
 }
 
-
 //
-// support logger.info() << ".." calls
+// logger.info(msg) << ".." call style
 //
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::trace(const T& msg)
+{
+    return _log_if_enabled(level::trace, msg);
+}
 
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::debug(const T& msg)
+{
+    return _log_if_enabled(level::debug, msg);
+}
 
 
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::info(const T& msg)
+{
+    return _log_if_enabled(level::info, msg);
+}
+
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::notice(const T& msg)
+{
+    return _log_if_enabled(level::notice, msg);
+}
+
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::warn(const T& msg)
+{
+    return _log_if_enabled(level::warn, msg);
+}
+
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::error(const T& msg)
+{
+    return _log_if_enabled(level::err, msg);
+}
+
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::critical(const T& msg)
+{
+    return _log_if_enabled(level::critical, msg);
+}
+
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::alert(const T& msg)
+{
+    return _log_if_enabled(level::alert, msg);
+}
+
+template<typename T>
+inline spdlog::details::line_logger spdlog::logger::emerg(const T& msg)
+{
+    return _log_if_enabled(level::emerg, msg);
+}
+
+
+
+
+//
+// logger.info() << ".." call  style
+//
 inline spdlog::details::line_logger spdlog::logger::trace()
 {
     return _log_if_enabled(level::trace);
 }
 
-
 inline spdlog::details::line_logger spdlog::logger::debug()
 {
     return _log_if_enabled(level::debug);

include/spdlog/logger.h

@@ -62,34 +62,31 @@ public:
     const std::string& name() const;
     bool should_log(level::level_enum) const;
 
-    template <typename... Args>
-    details::line_logger trace(const char* fmt, const Args&... args);
-
-    template <typename... Args>
-    details::line_logger debug(const char* fmt, const Args&... args);
-
-    template <typename... Args>
-    details::line_logger info(const char* fmt, const Args&... args);
-
-    template <typename... Args>
-    details::line_logger notice(const char* fmt, const Args&... args);
-
-    template <typename... Args>
-    details::line_logger warn(const char* fmt, const Args&... args);
-
-    template <typename... Args>details::line_logger error(const char* fmt, const Args&... args);
-
-    template <typename... Args>
-    details::line_logger critical(const char* fmt, const Args&... args);
-
-    template <typename... Args>
-    details::line_logger alert(const char* fmt, const Args&... args);
-
-    template <typename... Args>
-    details::line_logger emerg(const char* fmt, const Args&... args);
-
-
-    //API to support logger.info() << ".." call  style
+    // logger.info(cppformat_string, arg1, arg2, arg3, ...) call style
+    template <typename... Args> details::line_logger trace(const char* fmt, const Args&... args);
+    template <typename... Args> details::line_logger debug(const char* fmt, const Args&... args);
+    template <typename... Args> details::line_logger info(const char* fmt, const Args&... args);
+    template <typename... Args> details::line_logger notice(const char* fmt, const Args&... args);
+    template <typename... Args> details::line_logger warn(const char* fmt, const Args&... args);
+    template <typename... Args> details::line_logger error(const char* fmt, const Args&... args);
+    template <typename... Args> details::line_logger critical(const char* fmt, const Args&... args);
+    template <typename... Args> details::line_logger alert(const char* fmt, const Args&... args);
+    template <typename... Args> details::line_logger emerg(const char* fmt, const Args&... args);
+
+
+    // logger.info(msg) << ".." call style
+    template <typename T> details::line_logger trace(const T&);
+    template <typename T> details::line_logger debug(const T&);
+    template <typename T> details::line_logger info(const T&);
+    template <typename T> details::line_logger notice(const T&);
+    template <typename T> details::line_logger warn(const T&);
+    template <typename T> details::line_logger error(const T&);
+    template <typename T> details::line_logger critical(const T&);
+    template <typename T> details::line_logger alert(const T&);
+    template <typename T> details::line_logger emerg(const T&);
+
+
+    // logger.info() << ".." call  style
     details::line_logger trace();
     details::line_logger debug();
     details::line_logger info();
@@ -101,6 +98,7 @@ public:
     details::line_logger emerg();
 
 
+
     // Create log message with the given level, no matter what is the actual logger's level
     template <typename... Args>
     details::line_logger force_log(level::level_enum lvl, const char* fmt, const Args&... args);
@@ -117,6 +115,8 @@ protected:
     details::line_logger _log_if_enabled(level::level_enum lvl);
     template <typename... Args>
     details::line_logger _log_if_enabled(level::level_enum lvl, const char* fmt, const Args&... args);
+    template<typename T>
+    inline details::line_logger _log_if_enabled(level::level_enum lvl, const T& msg);
 
 
     friend details::line_logger;