ukui-search/libchinese-segmentation/cppjieba/limonp/Logging.hpp

103 lines
2.7 KiB
C++

/*
* The MIT License (MIT)
*
* Copyright (C) 2013 Yanyi Wu
* Copyright (C) 2023, KylinSoft Co., Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef LIMONP_LOGGING_HPP
#define LIMONP_LOGGING_HPP
#include <sstream>
#include <iostream>
#include <cassert>
#include <cstdlib>
#include <ctime>
#ifdef XLOG
#error "XLOG has been defined already"
#endif // XLOG
#ifdef XCHECK
#error "XCHECK has been defined already"
#endif // XCHECK
#define XLOG(level) limonp::Logger(limonp::LL_##level, __FILE__, __LINE__).Stream()
#define XCHECK(exp) if(!(exp)) XLOG(FATAL) << "exp: ["#exp << "] false. "
namespace limonp {
enum {
LL_DEBUG = 0,
LL_INFO = 1,
LL_WARNING = 2,
LL_ERROR = 3,
LL_FATAL = 4,
}; // enum
static const char * LOG_LEVEL_ARRAY[] = {"DEBUG","INFO","WARN","ERROR","FATAL"};
class Logger {
public:
Logger(size_t level, const char* filename, int lineno)
: level_(level) {
#ifdef LOGGING_LEVEL
if (level_ < LOGGING_LEVEL) {
return;
}
#endif
assert(level_ <= sizeof(LOG_LEVEL_ARRAY)/sizeof(*LOG_LEVEL_ARRAY));
char buf[32];
time_t now;
time(&now);
struct tm result;
localtime_r(&now, &result);
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &result);
stream_ << buf
<< " " << filename
<< ":" << lineno
<< " " << LOG_LEVEL_ARRAY[level_]
<< " ";
}
~Logger() {
#ifdef LOGGING_LEVEL
if (level_ < LOGGING_LEVEL) {
return;
}
#endif
std::cerr << stream_.str() << std::endl;
if (level_ == LL_FATAL) {
abort();
}
}
std::ostream& Stream() {
return stream_;
}
private:
std::ostringstream stream_;
size_t level_;
}; // class Logger
} // namespace limonp
#endif // LIMONP_LOGGING_HPP