added trace log level

example/example.cpp

@@ -21,8 +21,9 @@ int main(int argc, char* argv[])
     const unsigned int howmany = argc <= 1 ? 1000000:atoi(argv[1]);
 
     logger cout_logger ("", sinks::stdout_sink());
+	cout_logger.set_min_level(c11log::level::TRACE);
     cout_logger.info() << "Hello " << "man" << 123;
-	cout_logger.info("This is very nice! ") << "Yes gabi.." << ":)";
+	cout_logger.trace("This is very nice! ") << "Yes gabi.." << ":)";
 
     auto fsink = std::make_shared<sinks::rotating_file_sink>("log", "txt", 1024*1024*50 , 5, 0);	
 	auto nullsink = sinks::null_sink::get();

include/c11log/common_types.h

@@ -12,6 +12,7 @@ namespace level
 {
 typedef enum
 {
+	TRACE,
     DEBUG,
     INFO,
     WARNING,
@@ -21,7 +22,7 @@ typedef enum
     NONE = 99
 } level_enum;
 
-static const char* level_names[] { "debug", "info", "warning", "error", "critical", "fatal" };
+static const char* level_names[] { "trace", "debug", "info", "warning", "error", "critical", "fatal" };
 inline const char* to_str(c11log::level::level_enum l)
 {
     return level_names[l];

include/c11log/logger.h

@@ -50,6 +50,7 @@ public:
     const std::string& get_name() const;
     bool should_log(c11log::level::level_enum) const;
 
+	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 warn(const T&);
@@ -57,6 +58,8 @@ public:
 	template<typename T> details::line_logger critical(const T&);
 	template<typename T> details::line_logger fatal(const T&);
 
+
+	details::line_logger trace();
 	details::line_logger debug();
 	details::line_logger info();
 	details::line_logger warn();
@@ -106,6 +109,14 @@ inline c11log::logger::logger(const std::string& name, sink_ptr sink, formatter_
 
 
 
+template<typename T>
+inline c11log::details::line_logger c11log::logger::trace(const T& msg)
+{
+	details::line_logger l(this, level::TRACE, should_log(level::TRACE));
+	l.write(msg);
+	return l;
+}
+
 template<typename T>
 inline c11log::details::line_logger c11log::logger::debug(const T& msg)
 {
@@ -146,6 +157,12 @@ inline c11log::details::line_logger c11log::logger::fatal(const T& msg)
 	return l;
 }
 
+
+inline c11log::details::line_logger c11log::logger::trace()
+{
+	return details::line_logger(this, level::TRACE, should_log(level::TRACE));
+}
+
 inline c11log::details::line_logger c11log::logger::debug()
 {
 	return details::line_logger(this, level::DEBUG, should_log(level::DEBUG));