log.h

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/*
 *  log.h
 *  artoolkitX
 *
 *  This file is part of artoolkitX.
 *
 *  This file is part of artoolkitX.
 *
 *  artoolkitX is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  artoolkitX is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with artoolkitX.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  As a special exception, the copyright holders of this library give you
 *  permission to link this library with independent modules to produce an
 *  executable, regardless of the license terms of these independent modules, and to
 *  copy and distribute the resulting executable under terms of your choice,
 *  provided that you also meet, for each linked independent module, the terms and
 *  conditions of the license of that module. An independent module is a module
 *  which is neither derived from nor based on this library. If you modify this
 *  library, you may extend this exception to your version of the library, but you
 *  are not obligated to do so. If you do not wish to do so, delete this exception
 *  statement from your version.
 *
 *  Copyright 2018 Realmax, Inc.
 *  Copyright 2015-2016 Daqri, LLC.
 *  Copyright 2002-2015 ARToolworks, Inc.
 *
 *  Author(s): Hirokazu Kato, Philip Lamb
 *
 */
 
#ifndef __ARUtil_log_h__
#define __ARUtil_log_h__
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#ifndef _WIN32 // errno is defined in stdlib.h on Windows.
#  ifdef EMSCRIPTEN // errno is not in sys/
#    include <errno.h>
#  else
#    include <sys/errno.h>
#  endif
#endif
#include <ARX/ARUtil/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum {
    AR_LOG_LEVEL_DEBUG = 0,
    AR_LOG_LEVEL_INFO,
    AR_LOG_LEVEL_WARN,
    AR_LOG_LEVEL_ERROR,
    AR_LOG_LEVEL_REL_INFO
};
#define AR_LOG_LEVEL_DEFAULT AR_LOG_LEVEL_INFO
 
ARUTIL_EXTERN extern int arLogLevel;
 
ARUTIL_EXTERN void arLog(const char *tag, const int logLevel, const char *format, ...);
ARUTIL_EXTERN void arLogv(const char *tag, const int logLevel, const char *format, va_list ap);
 
typedef void (ARUTIL_CALLBACK *AR_LOG_LOGGER_CALLBACK)(const char *logMessage);
 
ARUTIL_EXTERN void arLogSetLogger(AR_LOG_LOGGER_CALLBACK callback, int callBackOnlyIfOnSameThread);
 
#ifdef DEBUG
#  define ARLOGd(...) arLog(NULL, AR_LOG_LEVEL_DEBUG, __VA_ARGS__)
#else
#  define ARLOGd(...)
#endif
#define ARLOGi(...) arLog(NULL, AR_LOG_LEVEL_INFO, __VA_ARGS__)
#define ARLOGw(...) arLog(NULL, AR_LOG_LEVEL_WARN, __VA_ARGS__)
#define ARLOGe(...) arLog(NULL, AR_LOG_LEVEL_ERROR, __VA_ARGS__)
#define ARLOGperror(s) arLog(NULL, AR_LOG_LEVEL_ERROR, ((s != NULL) ? "%s: %s\n" : "%s%s\n"), ((s != NULL) ? s : ""), strerror(errno))
 
#ifdef __cplusplus
}
#endif
#endif // !__ARUtil_log_h__