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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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8
include/spdlog/sinks/daily_file_sink.h
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@@ -32,7 +32,7 @@ struct daily_filename_calculator
{
filename_t basename, ext;
std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
return fmt::format(
return fmt_lib::format(
SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
}
};
@@ -49,8 +49,10 @@ struct daily_filename_format_calculator
static filename_t calc_filename(const filename_t &filename, const tm &now_tm)
{
// generate fmt datetime format string, e.g. {:%Y-%m-%d}.
filename_t fmt_filename = fmt::format(SPDLOG_FILENAME_T("{{:{}}}"), filename);
#if defined(_MSC_VER) && defined(SPDLOG_WCHAR_FILENAMES) // for some reason msvc doesnt allow fmt::runtime(..) with wchar here
filename_t fmt_filename = fmt_lib::format(SPDLOG_FILENAME_T("{{:{}}}"), filename);
#if defined(SPDLOG_USE_STD_FORMAT)
return std::vformat(fmt_filename, std::make_format_args(now_tm));
#elif defined(_MSC_VER) && defined(SPDLOG_WCHAR_FILENAMES) // for some reason msvc doesnt allow fmt::runtime(..) with wchar here
return fmt::format(fmt_filename, now_tm);
#else
return fmt::format(SPDLOG_FMT_RUNTIME(fmt_filename), now_tm);

2
include/spdlog/sinks/hourly_file_sink.h
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@@ -31,7 +31,7 @@ struct hourly_filename_calculator
{
filename_t basename, ext;
std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
return fmt::format(SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}_{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1,
return fmt_lib::format(SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}_{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1,
now_tm.tm_mday, now_tm.tm_hour, ext);
}
};

4
include/spdlog/sinks/msvc_sink.h
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@@ -30,7 +30,11 @@ protected:
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
#ifdef SPDLOG_USE_STD_FORMAT
OutputDebugStringA(formatted.c_str());
#else
OutputDebugStringA(fmt::to_string(formatted).c_str());
#endif
}
void flush_() override {}

4
include/spdlog/sinks/ringbuffer_sink.h
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@@ -50,7 +50,11 @@ public:
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(q_.at(i), formatted);
#ifdef SPDLOG_USE_STD_FORMAT
ret.push_back(std::move(formatted));
#else
ret.push_back(fmt::to_string(formatted));
#endif
}
return ret;
}

2
include/spdlog/sinks/rotating_file_sink-inl.h
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@@ -51,7 +51,7 @@ SPDLOG_INLINE filename_t rotating_file_sink<Mutex>::calc_filename(const filename
filename_t basename, ext;
std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
return fmt::format(SPDLOG_FILENAME_T("{}.{}{}"), basename, index, ext);
return fmt_lib::format(SPDLOG_FILENAME_T("{}.{}{}"), basename, index, ext);
}
template<typename Mutex>

33
include/spdlog/sinks/win_eventlog_sink.h
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@@ -47,6 +47,24 @@ namespace win_eventlog {
namespace internal {
struct local_alloc_t
{
HLOCAL hlocal_;
SPDLOG_CONSTEXPR local_alloc_t() SPDLOG_NOEXCEPT : hlocal_(nullptr) {}
local_alloc_t(local_alloc_t const&) = delete;
local_alloc_t& operator=(local_alloc_t const&) = delete;
~local_alloc_t() SPDLOG_NOEXCEPT
{
if (hlocal_)
{
LocalFree(hlocal_);
}
}
};
/** Windows error */
struct win32_error : public spdlog_ex
{
@@ -55,22 +73,17 @@ struct win32_error : public spdlog_ex
{
std::string system_message;
LPSTR format_message_result{};
local_alloc_t format_message_result{};
auto format_message_succeeded =
::FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr,
error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&format_message_result, 0, nullptr);
error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&format_message_result.hlocal_, 0, nullptr);
if (format_message_succeeded && format_message_result)
if (format_message_succeeded && format_message_result.hlocal_)
{
system_message = fmt::format(" ({})", format_message_result);
system_message = fmt_lib::format(" ({})", (LPSTR)format_message_result.hlocal_);
}
if (format_message_result)
{
LocalFree((HLOCAL)format_message_result);
}
return fmt::format("{}: {}{}", user_message, error_code, system_message);
return fmt_lib::format("{}: {}{}", user_message, error_code, system_message);
}
explicit win32_error(std::string const &func_name, DWORD error = GetLastError())