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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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30
tests/test_daily_logger.cpp
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@@ -3,7 +3,11 @@
*/
#include "includes.h"
#ifdef SPDLOG_USE_STD_FORMAT
using filename_memory_buf_t = std::basic_string<spdlog::filename_t::value_type>;
#else
using filename_memory_buf_t = fmt::basic_memory_buffer<spdlog::filename_t::value_type, 250>;
#endif
TEST_CASE("daily_logger with dateonly calculator", "[daily_logger]")
{
@@ -15,7 +19,7 @@ TEST_CASE("daily_logger with dateonly calculator", "[daily_logger]")
spdlog::filename_t basename = SPDLOG_FILENAME_T("test_logs/daily_dateonly");
std::tm tm = spdlog::details::os::localtime();
filename_memory_buf_t w;
fmt::format_to(
spdlog::fmt_lib::format_to(
std::back_inserter(w), SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}"), basename, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
auto logger = spdlog::create<sink_type>("logger", basename, 0, 0);
@@ -29,9 +33,17 @@ TEST_CASE("daily_logger with dateonly calculator", "[daily_logger]")
#ifdef SPDLOG_WCHAR_FILENAMES
spdlog::memory_buf_t buf;
spdlog::details::os::wstr_to_utf8buf(fmt::to_string(w), buf);
#ifdef SPDLOG_USE_STD_FORMAT
auto &filename = buf;
#else
auto filename = fmt::to_string(buf);
#endif
#else
#ifdef SPDLOG_USE_STD_FORMAT
auto &filename = w;
#else
auto filename = fmt::to_string(w);
#endif
#endif
require_message_count(filename, 10);
}
@@ -41,9 +53,13 @@ struct custom_daily_file_name_calculator
static spdlog::filename_t calc_filename(const spdlog::filename_t &basename, const tm &now_tm)
{
filename_memory_buf_t w;
fmt::format_to(std::back_inserter(w), SPDLOG_FILENAME_T("{}{:04d}{:02d}{:02d}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1,
spdlog::fmt_lib::format_to(std::back_inserter(w), SPDLOG_FILENAME_T("{}{:04d}{:02d}{:02d}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1,
now_tm.tm_mday);
#ifdef SPDLOG_USE_STD_FORMAT
return w;
#else
return fmt::to_string(w);
#endif
}
};
@@ -57,7 +73,7 @@ TEST_CASE("daily_logger with custom calculator", "[daily_logger]")
spdlog::filename_t basename = SPDLOG_FILENAME_T("test_logs/daily_dateonly");
std::tm tm = spdlog::details::os::localtime();
filename_memory_buf_t w;
fmt::format_to(
spdlog::fmt_lib::format_to(
std::back_inserter(w), SPDLOG_FILENAME_T("{}{:04d}{:02d}{:02d}"), basename, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
auto logger = spdlog::create<sink_type>("logger", basename, 0, 0);
@@ -71,9 +87,17 @@ TEST_CASE("daily_logger with custom calculator", "[daily_logger]")
#ifdef SPDLOG_WCHAR_FILENAMES
spdlog::memory_buf_t buf;
spdlog::details::os::wstr_to_utf8buf(fmt::to_string(w), buf);
#ifdef SPDLOG_USE_STD_FORMAT
auto &filename = buf;
#else
auto filename = fmt::to_string(buf);
#endif
#else
#ifdef SPDLOG_USE_STD_FORMAT
auto &filename = w;
#else
auto filename = fmt::to_string(w);
#endif
#endif
require_message_count(filename, 10);
}