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Show off, with some variadic templates, for the logger module

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This commit is contained in:
louiz’
2016-06-13 20:46:30 +02:00
parent ad4ccdbbea
commit 5a2e611617
9 changed files with 115 additions and 71 deletions
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louloulibs/logger/logger.hpp
+59 -15
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@@ -33,21 +33,6 @@
# define __FILENAME__ __FILE__
#endif
#define WHERE\
__FILENAME__ << ":" << __LINE__
#define log_debug(text)\
Logger::instance()->get_stream(debug_lvl) << SD_DEBUG << WHERE << ":\t" << text << std::endl
#define log_info(text)\
Logger::instance()->get_stream(info_lvl) << SD_INFO << WHERE << ":\t" << text << std::endl
#define log_warning(text)\
Logger::instance()->get_stream(warning_lvl) << SD_WARNING << WHERE << ":\t" << text << std::endl
#define log_error(text)\
Logger::instance()->get_stream(error_lvl) << SD_ERR << WHERE << ":\t" << text << std::endl
/**
* Juste a structure representing a stream doing nothing with its input.
*/
@@ -79,4 +64,63 @@ private:
std::ostream stream;
};
#define WHERE __FILENAME__, ":", __LINE__, ":\t"
namespace logging_details
{
template <typename T>
void log(std::ostream& os, const T& arg)
{
os << arg << std::endl;
}
template <typename T, typename... U>
void log(std::ostream& os, const T& first, U&&... rest)
{
os << first;
log(os, std::forward<U>(rest)...);
}
template <typename... U>
void log_debug(U&&... args)
{
auto& os = Logger::instance()->get_stream(debug_lvl);
os << SD_DEBUG;
log(os, std::forward<U>(args)...);
}
template <typename... U>
void log_info(U&&... args)
{
auto& os = Logger::instance()->get_stream(info_lvl);
os << SD_INFO;
log(os, std::forward<U>(args)...);
}
template <typename... U>
void log_warning(U&&... args)
{
auto& os = Logger::instance()->get_stream(warning_lvl);
os << SD_WARNING;
log(os, std::forward<U>(args)...);
}
template <typename... U>
void log_error(U&&... args)
{
auto& os = Logger::instance()->get_stream(error_lvl);
os << SD_ERR;
log(os, std::forward<U>(args)...);
}
}
#define log_info(...) logging_details::log_info(WHERE, __VA_ARGS__)
#define log_warning(...) logging_details::log_warning(WHERE, __VA_ARGS__)
#define log_error(...) logging_details::log_error(WHERE, __VA_ARGS__)
#define log_debug(...) logging_details::log_debug(WHERE, __VA_ARGS__)
#endif // LOGGER_INCLUDED