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Diffstat (limited to 'nitrokey-sys/libnitrokey-v3.4.1/libnitrokey/log.h')
-rw-r--r-- | nitrokey-sys/libnitrokey-v3.4.1/libnitrokey/log.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/nitrokey-sys/libnitrokey-v3.4.1/libnitrokey/log.h b/nitrokey-sys/libnitrokey-v3.4.1/libnitrokey/log.h new file mode 100644 index 0000000..2a64bef --- /dev/null +++ b/nitrokey-sys/libnitrokey-v3.4.1/libnitrokey/log.h @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2015-2018 Nitrokey UG + * + * This file is part of libnitrokey. + * + * libnitrokey 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 + * any later version. + * + * libnitrokey 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 General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with libnitrokey. If not, see <http://www.gnu.org/licenses/>. + * + * SPDX-License-Identifier: LGPL-3.0 + */ + +#ifndef LOG_H +#define LOG_H + +#include <string> +#include <functional> + +namespace nitrokey { + namespace log { + +//for MSVC +#ifdef ERROR +#undef ERROR +#endif + + + enum class Loglevel : int { + ERROR, + WARNING, + INFO, + DEBUG_L1, + DEBUG, + DEBUG_L2 + }; + + class LogHandler { + public: + virtual void print(const std::string &, Loglevel lvl) = 0; + protected: + std::string loglevel_to_str(Loglevel); + std::string format_message_to_string(const std::string &str, const Loglevel &lvl); + + }; + + class StdlogHandler : public LogHandler { + public: + virtual void print(const std::string &, Loglevel lvl); + }; + + class FunctionalLogHandler : public LogHandler { + using log_function_type = std::function<void(std::string)>; + log_function_type log_function; + public: + FunctionalLogHandler(log_function_type _log_function); + virtual void print(const std::string &, Loglevel lvl); + + }; + + extern StdlogHandler stdlog_handler; + + class Log { + public: + Log() : mp_loghandler(&stdlog_handler), m_loglevel(Loglevel::WARNING) {} + + static Log &instance() { + if (mp_instance == nullptr) mp_instance = new Log; + return *mp_instance; + } + + void operator()(const std::string &, Loglevel); + void set_loglevel(Loglevel lvl) { m_loglevel = lvl; } + void set_handler(LogHandler *handler) { mp_loghandler = handler; } + + private: + LogHandler *mp_loghandler; + Loglevel m_loglevel; + static std::string prefix; + public: + static void setPrefix(std::string prefix = std::string()); + + private: + + static Log *mp_instance; + }; + } +} + + +#ifdef NO_LOG +#define LOG(string, level) while(false){} +#define LOGD(string) while(false){} +#else +#define LOG(string, level) nitrokey::log::Log::instance()((string), (level)) +#define LOGD1(string) nitrokey::log::Log::instance()((string), (nitrokey::log::Loglevel::DEBUG_L1)) +#define LOGD(string) nitrokey::log::Log::instance()((string), (nitrokey::log::Loglevel::DEBUG_L2)) +#endif + +#endif |