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