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tamaas/src/core/logger.cpp
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logger.cpp
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/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "logger.hh"
#include <boost/preprocessor/seq.hpp>
#include <boost/preprocessor/stringize.hpp>
#include <cstdlib>
#include <iostream>
/* -------------------------------------------------------------------------- */
namespace tamaas {
/* -------------------------------------------------------------------------- */
LogLevel Logger::current_level = LogLevel::info;
template <LogLevel level>
struct LogLevelTraits;
#define LOGLVLTRAIT(val) \
template <> \
struct LogLevelTraits<LogLevel::val> { \
static constexpr char repr[]{#val}; \
}; \
constexpr char LogLevelTraits<LogLevel::val>::repr[]
LOGLVLTRAIT(debug);
LOGLVLTRAIT(info);
LOGLVLTRAIT(warning);
LOGLVLTRAIT(error);
#undef LOGLVLTRAIT
std::ostream& operator<<(std::ostream& o, const LogLevel& val) {
switch (val) {
#define PRINT_LOGLEVEL(r, data, type) \
case data::type: \
o << LogLevelTraits<data::type>::repr; \
break;
BOOST_PP_SEQ_FOR_EACH(PRINT_LOGLEVEL, LogLevel,
(debug)(info)(warning)(error));
#undef PRINT_LOGLEVEL
}
return o;
}
Logger::~Logger() {
if (wish_level >= current_level) {
std::cerr << stream.str();
std::cerr.flush();
}
}
std::ostream& Logger::get(LogLevel level) {
wish_level = level;
// std::string name;
// stream << level << ": ";
return stream;
}
void Logger::setLevel(LogLevel level) { current_level = level; }
/* -------------------------------------------------------------------------- */
} // namespace tamaas
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