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- // 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
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