// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. // Distributed under the MIT License (http://opensource.org/licenses/MIT) #pragma once #include <spdlog/cfg/helpers.h> #include <spdlog/details/registry.h> // // Init log levels using each argv entry that starts with "SPDLOG_LEVEL=" // // set all loggers to debug level: // example.exe "SPDLOG_LEVEL=debug" // set logger1 to trace level // example.exe "SPDLOG_LEVEL=logger1=trace" // turn off all logging except for logger1 and logger2: // example.exe "SPDLOG_LEVEL=off,logger1=debug,logger2=info" namespace spdlog { namespace cfg { // search for SPDLOG_LEVEL= in the args and use it to init the levels inline void load_argv_levels(int argc, const char **argv) { const std::string spdlog_level_prefix = "SPDLOG_LEVEL="; for (int i = 1; i < argc; i++) { std::string arg = argv[i]; if (arg.find(spdlog_level_prefix) == 0) { auto levels_string = arg.substr(spdlog_level_prefix.size()); helpers::load_levels(levels_string); } } } inline void load_argv_levels(int argc, char **argv) { load_argv_levels(argc, const_cast<const char **>(argv)); } } // namespace cfg } // namespace spdlog