opencv/3rdparty/flann/logger.h

94 lines
2.6 KiB
C++

/***********************************************************************
* Software License Agreement (BSD License)
*
* Copyright 2008-2009 Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
* Copyright 2008-2009 David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
*
* THE BSD LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*************************************************************************/
#ifndef LOGGER_H
#define LOGGER_H
#include <cstdio>
#include <stdarg.h>
#include "common.h"
#include "flann.h"
using namespace std;
namespace cvflann
{
class Logger
{
FILE* stream;
int logLevel;
public:
Logger() : stream(stdout), logLevel(LOG_WARN) {};
~Logger()
{
if (stream!=NULL && stream!=stdout) {
fclose(stream);
}
}
void setDestination(const char* name)
{
if (name==NULL) {
stream = stdout;
}
else {
stream = fopen(name,"w");
if (stream == NULL) {
stream = stdout;
}
}
}
void setLevel(int level) { logLevel = level; }
int log(int level, const char* fmt, ...);
int log(int level, const char* fmt, va_list arglist);
int fatal(const char* fmt, ...);
int error(const char* fmt, ...);
int warn(const char* fmt, ...);
int info(const char* fmt, ...);
};
extern Logger logger;
}
#endif //LOGGER_H