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perfect forwarding for logging arguments

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This commit is contained in:
brain5lug 2016-09-16 01:47:38 +03:00
parent f9a5f4955c
commit fee5f959fd
2 changed files with 8 additions and 8 deletions
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2
Log.cpp
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@ -10,7 +10,7 @@
namespace i2p { namespace i2p {
namespace log { namespace log {
Log logger; static Log logger;
/** /**
* @brief Maps our loglevel to their symbolic name * @brief Maps our loglevel to their symbolic name
*/ */

14
Log.h
View File

@ -162,17 +162,17 @@ namespace log {
/** internal usage only -- folding args array to single string */ /** internal usage only -- folding args array to single string */
template<typename TValue> template<typename TValue>
void LogPrint (std::stringstream& s, TValue arg) void LogPrint (std::stringstream& s, TValue&& arg) noexcept
{ {
s << arg; s << std::forward<TValue>(arg);
} }
/** internal usage only -- folding args array to single string */ /** internal usage only -- folding args array to single string */
template<typename TValue, typename... TArgs> template<typename TValue, typename... TArgs>
void LogPrint (std::stringstream& s, TValue arg, TArgs... args) void LogPrint (std::stringstream& s, TValue&& arg, TArgs&&... args) noexcept
{ {
LogPrint (s, arg); LogPrint (s, std::forward<TValue>(arg));
LogPrint (s, args...); LogPrint (s, std::forward<TArgs>(args)...);
} }
/** /**
@ -181,7 +181,7 @@ void LogPrint (std::stringstream& s, TValue arg, TArgs... args)
* @param args Array of message parts * @param args Array of message parts
*/ */
template<typename... TArgs> template<typename... TArgs>
void LogPrint (LogLevel level, TArgs... args) void LogPrint (LogLevel level, TArgs&&... args) noexcept
{ {
i2p::log::Log &log = i2p::log::Logger(); i2p::log::Log &log = i2p::log::Logger();
if (level > log.GetLogLevel ()) if (level > log.GetLogLevel ())
@ -194,7 +194,7 @@ void LogPrint (LogLevel level, TArgs... args)
ss << LOG_COLOR_ERROR; ss << LOG_COLOR_ERROR;
else if (level == eLogWarning) // if log level is WARN color log message yellow else if (level == eLogWarning) // if log level is WARN color log message yellow
ss << LOG_COLOR_WARNING; ss << LOG_COLOR_WARNING;
LogPrint (ss, args ...); LogPrint (ss, std::forward<TArgs>(args)...);
// reset color // reset color
ss << LOG_COLOR_RESET; ss << LOG_COLOR_RESET;