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Support C++20 std::format as an alternative to fmtlib

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This commit is contained in:
Charless Milette
2021-11-13 11:29:05 -05:00
parent ff9313e6dd
commit 44a4517e2b
34 changed files with 445 additions and 143 deletions
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103
include/spdlog/logger.h
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@@ -33,7 +33,7 @@
{ \
if(location.filename) \
{ \
err_handler_(fmt::format("{} [{}({})]", ex.what(), location.filename, location.line)); \
err_handler_(fmt_lib::format("{} [{}({})]", ex.what(), location.filename, location.line)); \
} \
else \
{ \
@@ -85,13 +85,13 @@ public:
void swap(spdlog::logger &other) SPDLOG_NOEXCEPT;
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, fmt::format_string<Args...> fmt, Args &&...args)
void log(source_loc loc, level::level_enum lvl, format_string_t<Args...> fmt, Args &&...args)
{
log_(loc, lvl, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void log(level::level_enum lvl, fmt::format_string<Args...> fmt, Args &&...args)
void log(level::level_enum lvl, format_string_t<Args...> fmt, Args &&...args)
{
log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
}
@@ -102,14 +102,7 @@ public:
log(source_loc{}, lvl, msg);
}
// T can be statically converted to string_view
template<class T, typename std::enable_if<std::is_convertible<const T &, spdlog::string_view_t>::value, int>::type = 0>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
log(loc, lvl, string_view_t{msg});
}
// T cannot be statically converted to format string (including string_view)
// T cannot be statically converted to format string (including string_view/wstring_view)
template<class T, typename std::enable_if<!is_convertible_to_any_format_string<const T &>::value, int>::type = 0>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
@@ -148,86 +141,121 @@ public:
}
template<typename... Args>
void trace(fmt::format_string<Args...> fmt, Args &&...args)
void trace(format_string_t<Args...> fmt, Args &&...args)
{
log(level::trace, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void debug(fmt::format_string<Args...> fmt, Args &&...args)
void debug(format_string_t<Args...> fmt, Args &&...args)
{
log(level::debug, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void info(fmt::format_string<Args...> fmt, Args &&...args)
void info(format_string_t<Args...> fmt, Args &&...args)
{
log(level::info, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void warn(fmt::format_string<Args...> fmt, Args &&...args)
void warn(format_string_t<Args...> fmt, Args &&...args)
{
log(level::warn, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void error(fmt::format_string<Args...> fmt, Args &&...args)
void error(format_string_t<Args...> fmt, Args &&...args)
{
log(level::err, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void critical(fmt::format_string<Args...> fmt, Args &&...args)
void critical(format_string_t<Args...> fmt, Args &&...args)
{
log(level::critical, fmt, std::forward<Args>(args)...);
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
template<typename... Args>
void log(level::level_enum lvl, fmt::wformat_string<Args...> fmt, Args &&...args)
{
log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, fmt::wformat_string<Args...> fmt, Args &&...args)
void log(source_loc loc, level::level_enum lvl, wformat_string_t<Args...> fmt, Args &&...args)
{
log_(loc, lvl, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void trace(fmt::wformat_string<Args...> fmt, Args &&...args)
void log(level::level_enum lvl, wformat_string_t<Args...> fmt, Args &&...args)
{
log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);
}
void log(log_clock::time_point log_time, source_loc loc, level::level_enum lvl, wstring_view_t msg)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
memory_buf_t buf;
details::os::wstr_to_utf8buf(wstring_view_t(msg.data(), msg.size()), buf);
details::log_msg log_msg(log_time, loc, name_, lvl, string_view_t(buf.data(), buf.size()));
log_it_(log_msg, log_enabled, traceback_enabled);
}
void log(source_loc loc, level::level_enum lvl, wstring_view_t msg)
{
bool log_enabled = should_log(lvl);
bool traceback_enabled = tracer_.enabled();
if (!log_enabled && !traceback_enabled)
{
return;
}
memory_buf_t buf;
details::os::wstr_to_utf8buf(wstring_view_t(msg.data(), msg.size()), buf);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
log_it_(log_msg, log_enabled, traceback_enabled);
}
void log(level::level_enum lvl, wstring_view_t msg)
{
log(source_loc{}, lvl, msg);
}
template<typename... Args>
void trace(wformat_string_t<Args...> fmt, Args &&...args)
{
log(level::trace, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void debug(fmt::wformat_string<Args...> fmt, Args &&...args)
void debug(wformat_string_t<Args...> fmt, Args &&...args)
{
log(level::debug, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void info(fmt::wformat_string<Args...> fmt, Args &&...args)
void info(wformat_string_t<Args...> fmt, Args &&...args)
{
log(level::info, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void warn(fmt::wformat_string<Args...> fmt, Args &&...args)
void warn(wformat_string_t<Args...> fmt, Args &&...args)
{
log(level::warn, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void error(fmt::wformat_string<Args...> fmt, Args &&...args)
void error(wformat_string_t<Args...> fmt, Args &&...args)
{
log(level::err, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void critical(fmt::wformat_string<Args...> fmt, Args &&...args)
void critical(wformat_string_t<Args...> fmt, Args &&...args)
{
log(level::critical, fmt, std::forward<Args>(args)...);
}
@@ -335,8 +363,12 @@ protected:
}
SPDLOG_TRY
{
#ifdef SPDLOG_USE_STD_FORMAT
memory_buf_t buf = std::vformat(fmt, std::make_format_args(std::forward<Args...>(args)...));
#else
memory_buf_t buf;
fmt::detail::vformat_to(buf, fmt, fmt::make_format_args(args...));
fmt::detail::vformat_to(buf, fmt, fmt::make_format_args(std::forward<Args...>(args)...));
#endif
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
log_it_(log_msg, log_enabled, traceback_enabled);
}
@@ -356,8 +388,13 @@ protected:
SPDLOG_TRY
{
// format to wmemory_buffer and convert to utf8
fmt::wmemory_buffer wbuf;
fmt::detail::vformat_to(wbuf, fmt, fmt::make_format_args<fmt::wformat_context>(args...));
;
#ifdef SPDLOG_USE_STD_FORMAT
wmemory_buf_t wbuf = std::vformat(fmt, std::make_wformat_args(std::forward<Args...>(args)...));
#else
wmemory_buf_t wbuf;
fmt::detail::vformat_to(wbuf, fmt, fmt::make_format_args<fmt::wformat_context>(std::forward<Args...>(args)...));
#endif
memory_buf_t buf;
details::os::wstr_to_utf8buf(wstring_view_t(wbuf.data(), wbuf.size()), buf);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));