rtLog.h

/*

 rtCore Copyright 2005-2017 John Robinson

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

*/

// rtLog.h

#ifndef RT_LOG_H_
#define RT_LOG_H_
#include <stdint.h>
#ifdef RT_DEBUG
#define RT_LOG rtLog
#else
#define RT_LOG
#endif

#ifndef RT_LOGPREFIX
#define RT_LOGPREFIX "rt:"
#endif

#ifdef __APPLE__
typedef uint64_t rtThreadId;
#define RT_THREADID_FMT PRIu64
#elif defined WIN32
typedef unsigned long rtThreadId;
#define RT_THREADID_FMT "l"
#else
typedef int32_t rtThreadId;
#define RT_THREADID_FMT "d"
#endif

#ifdef __cplusplus
extern "C" {
#endif

typedef enum
{
  RT_LOG_DEBUG = 0,
  RT_LOG_INFO  = 1,
  RT_LOG_WARN  = 2,
  RT_LOG_ERROR = 3,
  RT_LOG_FATAL = 4
} rtLogLevel;

typedef void (*rtLogHandler)(rtLogLevel level, const char* file, int line, int threadId, char* message);

void rtLog_SetLevel(rtLogLevel l);
void rtLogSetLogHandler(rtLogHandler logHandler);
const char* rtLogLevelToString(rtLogLevel level);
rtLogLevel  rtLogLevelFromString(const char* s);
int rtLog_IsLevelEnabled(rtLogLevel level);

rtThreadId rtThreadGetCurrentId();


#ifdef __GNUC__
#define RT_PRINTF_FORMAT(IDX, FIRST) __attribute__ ((format (printf, IDX, FIRST)))
#else
#define RT_PRINTF_FORMAT(IDX, FIRST)
#endif

// TODO would like this for to be hidden/private... something from Igor broke... 
void rtLogPrintf(rtLogLevel level, const char* file, int line, const char* format, ...) RT_PRINTF_FORMAT(4, 5);

#define rtLog(LEVEL, FORMAT, ...) do { rtLogPrintf(LEVEL, __FILE__, __LINE__, FORMAT, ## __VA_ARGS__); } while (0)
#define rtLog_Debug(FORMAT, ...) rtLog(RT_LOG_DEBUG, FORMAT, ## __VA_ARGS__)
#define rtLog_Info(FORMAT, ...) rtLog(RT_LOG_INFO, FORMAT, ## __VA_ARGS__)
#define rtLog_Warn(FORMAT, ...) rtLog(RT_LOG_WARN, FORMAT, ## __VA_ARGS__)
#define rtLog_Error(FORMAT, ...) rtLog(RT_LOG_ERROR, FORMAT, ## __VA_ARGS__)
#define rtLog_Fatal(FORMAT, ...) rtLog(RT_LOG_FATAL, FORMAT, ## __VA_ARGS__)

#ifdef __cplusplus
}
#endif
#endif