Added primitive logging

1 files changed, 68 insertions, 0 deletions

diff --git a/logging.h b/logging.h
new file mode 100644
index 0000000..5a23303
--- /dev/null
+++ b/logging.h
@@ -0,0 +1,68 @@
+#pragma once
+
+#include <string>
+#include <chrono>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+using namespace std;
+
+string timeStamp()
+{
+	char date[32];
+  	time_t t = time(0);
+  	strftime(date, sizeof(date), "%Y-%m-%d %H:%M:%S", gmtime(&t));
+  	return string(date);
+}
+
+class logger {
+
+	public:
+
+		//
+		enum class Level
+		{
+			CRITICAL,
+			ERROR,
+			WARNING,
+			INFO,
+			DEBUG
+		};
+
+		//
+		logger(string prefix, logger::Level level) : m_prefix(prefix), m_level(level) {
+
+		}
+		~logger() {
+#ifdef CROW_ENABLE_LOGGING
+			cerr << "(" << timeStamp() << ") [" << m_prefix << "] " << m_stringStream.str() << endl;
+#endif
+		}
+
+		//
+		template <typename T>
+		logger& operator<<(T const &value) {
+
+#ifdef CROW_ENABLE_LOGGING
+    		m_stringStream << value;
+#endif
+    		return *this;
+		}
+
+		private:
+
+		//
+		ostringstream m_stringStream;
+		string m_prefix;
+		Level m_level;
+};
+
+#define CROW_LOG_CRITICAL	logger("CRITICAL", logger::Level::CRITICAL)
+#define CROW_LOG_ERROR		logger("ERROR   ", logger::Level::ERROR)
+#define CROW_LOG_WARNING	logger("WARNING ", logger::Level::WARNING)
+#define CROW_LOG_INFO		logger("INFO    ", logger::Level::INFO)
+#define CROW_LOG_DEBUG		logger("DEBUG   ", logger::Level::DEBUG)
+
+
+