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implement a flag (in this case, an enumeration) that allows control over the type; we make it an enum for possible expansions of time abstractions that might make it into the C++ standard in the future (see Howard Hinnant's date/timezone library) or might be usefully-available from the OS at some point in time

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This commit is contained in:
ThePhD
2017-05-30 18:05:25 -04:00
parent 13fb2550c6
commit 5c5080d304
7 changed files with 49 additions and 17 deletions
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34
include/spdlog/details/pattern_formatter_impl.h
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@@ -311,7 +311,15 @@ class R_formatter SPDLOG_FINAL:public flag_formatter
{
void format(details::log_msg& msg, const std::tm& tm_time) override
{
pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, ':');
msg.formatted << (tm_time.tm_year + 1900);
msg.formatted << '-';
msg.formatted << tm_time.tm_mon;
msg.formatted << '-';
msg.formatted << tm_time.tm_mday;
msg.formatted << ' ';
pad_n_join(msg.formatted, tm_time.tm_hour, tm_time.tm_min, ':');
}
};
@@ -324,7 +332,6 @@ class T_formatter SPDLOG_FINAL:public flag_formatter
}
};
// ISO 8601 offset from UTC in timezone (+-HH:MM)
class z_formatter SPDLOG_FINAL:public flag_formatter
{
@@ -495,12 +502,13 @@ class full_formatter SPDLOG_FINAL:public flag_formatter
///////////////////////////////////////////////////////////////////////////////
// pattern_formatter inline impl
///////////////////////////////////////////////////////////////////////////////
inline spdlog::pattern_formatter::pattern_formatter(const std::string& pattern)
inline spdlog::pattern_formatter::pattern_formatter(const std::string& pattern, pattern_time ptime)
: _time(ptime), _pattern(pattern)
{
compile_pattern(pattern);
compile_pattern(_pattern, _time);
}
inline void spdlog::pattern_formatter::compile_pattern(const std::string& pattern)
inline void spdlog::pattern_formatter::compile_pattern(const std::string& pattern, pattern_time ptime)
{
auto end = pattern.end();
std::unique_ptr<details::aggregate_formatter> user_chars;
@@ -670,7 +678,21 @@ inline void spdlog::pattern_formatter::format(details::log_msg& msg)
{
#ifndef SPDLOG_NO_DATETIME
auto tm_time = details::os::localtime(log_clock::to_time_t(msg.time));
auto tm_time = [this, &msg]()
{
switch (_time)
{
// it is always faster to put the most-common/default case first
case (pattern_time::local):
return details::os::localtime(log_clock::to_time_t(msg.time));
case (pattern_time::utc):
return details::os::gmtime(log_clock::to_time_t(msg.time));
default:
return details::os::localtime(log_clock::to_time_t(msg.time));
}
}();
#else
std::tm tm_time;
#endif