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