MTSLog.h

00001 #ifndef MTSLOG_H
00002 #define MTSLOG_H
00003 
00004 #include <string>
00005 
00006 inline const char* className(const std::string& prettyFunction)
00007 {
00008     size_t colons = prettyFunction.find_last_of("::");
00009     if (colons == std::string::npos)
00010         return "";
00011     size_t begin = prettyFunction.substr(0,colons).rfind(" ") + 1;
00012     size_t end = colons - begin;
00013 
00014     return prettyFunction.substr(begin,end).c_str();
00015 }
00016 
00017 #define __CLASSNAME__ className(__PRETTY_FUNCTION__)
00018 
00019 
00020 #ifdef MTS_DEBUG
00021 #define logFatal(format, ...) \
00022     mts::MTSLog::printMessage(mts::MTSLog::FATAL_LEVEL, "%s:%s:%d| [%s] " format "\r\n", __CLASSNAME__, __func__, __LINE__, mts::MTSLog::FATAL_LABEL, ##__VA_ARGS__)
00023 #define logError(format, ...) \
00024     mts::MTSLog::printMessage(mts::MTSLog::ERROR_LEVEL, "%s:%s:%d| [%s] " format "\r\n", __CLASSNAME__, __func__, __LINE__, mts::MTSLog::ERROR_LABEL, ##__VA_ARGS__)
00025 #define logWarning(format, ...) \
00026     mts::MTSLog::printMessage(mts::MTSLog::WARNING_LEVEL, "%s:%s:%d| [%s] " format "\r\n", __CLASSNAME__, __func__, __LINE__, mts::MTSLog::WARNING_LABEL, ##__VA_ARGS__)
00027 #define logInfo(format, ...) \
00028     mts::MTSLog::printMessage(mts::MTSLog::INFO_LEVEL, "%s:%s:%d| [%s] " format "\r\n", __CLASSNAME__, __func__, __LINE__, mts::MTSLog::INFO_LABEL, ##__VA_ARGS__)
00029 #define logDebug(format, ...) \
00030     mts::MTSLog::printMessage(mts::MTSLog::DEBUG_LEVEL, "%s:%s:%d| [%s] " format "\r\n", __CLASSNAME__, __func__, __LINE__, mts::MTSLog::DEBUG_LABEL, ##__VA_ARGS__)
00031 #define logTrace(format, ...) \
00032     mts::MTSLog::printMessage(mts::MTSLog::TRACE_LEVEL, "%s:%s:%d| [%s] " format "\r\n", __CLASSNAME__, __func__, __LINE__, mts::MTSLog::TRACE_LABEL, ##__VA_ARGS__)
00033 #else
00034 #define logFatal(format, ...) \
00035     mts::MTSLog::printMessage(mts::MTSLog::FATAL_LEVEL, "[%s] " format "\r\n", mts::MTSLog::FATAL_LABEL, ##__VA_ARGS__)
00036 #define logError(format, ...) \
00037     mts::MTSLog::printMessage(mts::MTSLog::ERROR_LEVEL, "[%s] " format "\r\n", mts::MTSLog::ERROR_LABEL, ##__VA_ARGS__)
00038 #define logWarning(format, ...) \
00039     mts::MTSLog::printMessage(mts::MTSLog::WARNING_LEVEL, "[%s] " format "\r\n", mts::MTSLog::WARNING_LABEL, ##__VA_ARGS__)
00040 #define logInfo(format, ...) \
00041     mts::MTSLog::printMessage(mts::MTSLog::INFO_LEVEL, "[%s] " format "\r\n", mts::MTSLog::INFO_LABEL, ##__VA_ARGS__)
00042 #define logDebug(format, ...) \
00043     mts::MTSLog::printMessage(mts::MTSLog::DEBUG_LEVEL, "[%s] " format "\r\n", mts::MTSLog::DEBUG_LABEL, ##__VA_ARGS__)
00044 #define logTrace(format, ...) \
00045     mts::MTSLog::printMessage(mts::MTSLog::TRACE_LEVEL, "[%s] " format "\r\n", mts::MTSLog::TRACE_LABEL, ##__VA_ARGS__)
00046 #endif
00047 
00048 namespace mts {
00049 
00050 class MTSLog
00051 {
00052 public:
00053 
00054     /** Enum of log levels.
00055      */
00056     enum logLevel {
00057         NONE_LEVEL = 0,
00058         FATAL_LEVEL = 1,
00059         ERROR_LEVEL = 2,
00060         WARNING_LEVEL = 3,
00061         INFO_LEVEL = 4,
00062         DEBUG_LEVEL = 5,
00063         TRACE_LEVEL = 6
00064     };
00065 
00066     /** Print log message.
00067      */
00068     static void printMessage(int level, const char* format, ...);
00069 
00070     /** Determine if the given level is currently printable.
00071      */
00072     static bool printable(int level);
00073 
00074     /** Set log level
00075      * Messages with lower priority than the current level will not be printed.
00076      * If the level is set to NONE, no messages will print.
00077      */
00078     static void setLogLevel(int level);
00079 
00080     /** Get the current log level.
00081      */
00082     static int getLogLevel();
00083 
00084     /** Get string representation of the current log level.
00085      */
00086     static const char* getLogLevelString();
00087 
00088     static const char* NONE_LABEL;
00089     static const char* FATAL_LABEL;
00090     static const char* ERROR_LABEL;
00091     static const char* WARNING_LABEL;
00092     static const char* INFO_LABEL;
00093     static const char* DEBUG_LABEL;
00094     static const char* TRACE_LABEL;
00095 
00096 private:
00097 
00098     /** Constructor
00099      */
00100     MTSLog();
00101 
00102     static int currentLevel;
00103 
00104 };
00105 
00106 }
00107 
00108 #endif