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Moved pattern formatter from spdlog/details to spdlog/

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This commit is contained in:
Gabi Melman
2020-03-21 13:33:04 +02:00
parent c6c517431f
commit 752d5685dc
13 changed files with 46 additions and 15 deletions
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33
example/example.cpp
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@@ -18,6 +18,7 @@ void multi_sink_example();
void user_defined_example();
void err_handler_example();
void syslog_example();
void custom_flags_example();
#include "spdlog/spdlog.h"
#include "spdlog/cfg/env.h" // for loading levels from the environment variable
@@ -70,6 +71,7 @@ int main(int, char *[])
user_defined_example();
err_handler_example();
trace_example();
custom_flags_example();
// Flush all *registered* loggers using a worker thread every 3 seconds.
// note: registered loggers *must* be thread safe for this to work correctly!
@@ -250,5 +252,34 @@ void android_example()
auto android_logger = spdlog::android_logger_mt("android", tag);
android_logger->critical("Use \"adb shell logcat\" to view this message.");
}
#endif
// log patterns can now contain custom flags!
// add custom flag '%*' which will be cound to a <my_formatter_flag> instance
#include "spdlog/pattern_formatter.h"
class my_formatter_flag : public spdlog::custom_flag_formatter
{
public:
void format(const spdlog::details::log_msg &, const std::tm &, spdlog::memory_buf_t &dest) override
{
std::string some_txt = "custom-flag";
dest.append(some_txt.data(), some_txt.data() + some_txt.size());
}
std::unique_ptr<custom_flag_formatter> clone() const override
{
return spdlog::details::make_unique<my_formatter_flag>();
}
};
void custom_flags_example()
{
using spdlog::details::make_unique; //for pre c++14
auto formatter = make_unique<spdlog::pattern_formatter>("[%+] [%*]");
formatter->add_flag<my_formatter_flag>('*').recompile();
spdlog::set_formatter(std::move(formatter));
}