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DP_S/include/spdlog/common.h

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/details/null_mutex.h>
#include <spdlog/tweakme.h>
#include <atomic>
#include <chrono>
#include <cstdio>
#include <exception>
#include <functional>
#include <initializer_list>
#include <memory>
#include <string>
#include <type_traits>
#ifdef SPDLOG_USE_STD_FORMAT
#include <version>
#if __cpp_lib_format >= 202207L
#include <format>
#else
#include <string_view>
#endif
#endif
#ifdef SPDLOG_COMPILED_LIB
#undef SPDLOG_HEADER_ONLY
#if defined(SPDLOG_SHARED_LIB)
#if defined(_WIN32)
#ifdef spdlog_EXPORTS
#define SPDLOG_API __declspec(dllexport)
#else // !spdlog_EXPORTS
#define SPDLOG_API __declspec(dllimport)
#endif
#else // !defined(_WIN32)
#define SPDLOG_API __attribute__((visibility("default")))
#endif
#else // !defined(SPDLOG_SHARED_LIB)
#define SPDLOG_API
#endif
#define SPDLOG_INLINE
#else // !defined(SPDLOG_COMPILED_LIB)
#define SPDLOG_API
#define SPDLOG_HEADER_ONLY
#define SPDLOG_INLINE inline
#endif // #ifdef SPDLOG_COMPILED_LIB
#include <spdlog/fmt/fmt.h>
#if !defined(SPDLOG_USE_STD_FORMAT) && \
FMT_VERSION >= 80000 // backward compatibility with fmt versions older than 8
#define SPDLOG_FMT_RUNTIME(format_string) fmt::runtime(format_string)
#define SPDLOG_FMT_STRING(format_string) FMT_STRING(format_string)
#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
#include <spdlog/fmt/xchar.h>
#endif
#else
#define SPDLOG_FMT_RUNTIME(format_string) format_string
#define SPDLOG_FMT_STRING(format_string) format_string
#endif
// visual studio up to 2013 does not support noexcept nor constexpr
#if defined(_MSC_VER) && (_MSC_VER < 1900)
#define SPDLOG_NOEXCEPT _NOEXCEPT
#define SPDLOG_CONSTEXPR
#else
#define SPDLOG_NOEXCEPT noexcept
#define SPDLOG_CONSTEXPR constexpr
#endif
// If building with std::format, can just use constexpr, otherwise if building with fmt
// SPDLOG_CONSTEXPR_FUNC needs to be set the same as FMT_CONSTEXPR to avoid situations where
// a constexpr function in spdlog could end up calling a non-constexpr function in fmt
// depending on the compiler
// If fmt determines it can't use constexpr, we should inline the function instead
#ifdef SPDLOG_USE_STD_FORMAT
#define SPDLOG_CONSTEXPR_FUNC constexpr
#else // Being built with fmt
#if FMT_USE_CONSTEXPR
#define SPDLOG_CONSTEXPR_FUNC FMT_CONSTEXPR
#else
#define SPDLOG_CONSTEXPR_FUNC inline
#endif
#endif
#if defined(__GNUC__) || defined(__clang__)
#define SPDLOG_DEPRECATED __attribute__((deprecated))
#elif defined(_MSC_VER)
#define SPDLOG_DEPRECATED __declspec(deprecated)
#else
#define SPDLOG_DEPRECATED
#endif
// disable thread local on msvc 2013
#ifndef SPDLOG_NO_TLS
#if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__cplusplus_winrt)
#define SPDLOG_NO_TLS 1
#endif
#endif
#ifndef SPDLOG_FUNCTION
#define SPDLOG_FUNCTION static_cast<const char *>(__FUNCTION__)
#endif
#ifdef SPDLOG_NO_EXCEPTIONS
#define SPDLOG_TRY
#define SPDLOG_THROW(ex) \
do { \
printf("spdlog fatal error: %s\n", ex.what()); \
std::abort(); \
} while (0)
#define SPDLOG_CATCH_STD
#else
#define SPDLOG_TRY try
#define SPDLOG_THROW(ex) throw(ex)
#define SPDLOG_CATCH_STD \
catch (const std::exception &) { \
}
#endif
namespace spdlog {
class formatter;
namespace sinks {
class sink;
}
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
using filename_t = std::wstring;
// allow macro expansion to occur in SPDLOG_FILENAME_T
#define SPDLOG_FILENAME_T_INNER(s) L##s
#define SPDLOG_FILENAME_T(s) SPDLOG_FILENAME_T_INNER(s)
#else
using filename_t = std::string;
#define SPDLOG_FILENAME_T(s) s
#endif
using log_clock = std::chrono::system_clock;
using sink_ptr = std::shared_ptr<sinks::sink>;
using sinks_init_list = std::initializer_list<sink_ptr>;
using err_handler = std::function<void(const std::string &err_msg)>;
#ifdef SPDLOG_USE_STD_FORMAT
namespace fmt_lib = std;
using string_view_t = std::string_view;
using memory_buf_t = std::string;
template <typename... Args>
#if __cpp_lib_format >= 202207L
using format_string_t = std::format_string<Args...>;
#else
using format_string_t = std::string_view;
#endif
template <class T, class Char = char>
struct is_convertible_to_basic_format_string
: std::integral_constant<bool, std::is_convertible<T, std::basic_string_view<Char>>::value> {};
#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
using wstring_view_t = std::wstring_view;
using wmemory_buf_t = std::wstring;
template <typename... Args>
#if __cpp_lib_format >= 202207L
using wformat_string_t = std::wformat_string<Args...>;
#else
using wformat_string_t = std::wstring_view;
#endif
#endif
#define SPDLOG_BUF_TO_STRING(x) x
#else // use fmt lib instead of std::format
namespace fmt_lib = fmt;
using string_view_t = fmt::basic_string_view<char>;
using memory_buf_t = fmt::basic_memory_buffer<char, 250>;
template <typename... Args>
using format_string_t = fmt::format_string<Args...>;
template <class T>
using remove_cvref_t = typename std::remove_cv<typename std::remove_reference<T>::type>::type;
template <typename Char>
#if FMT_VERSION >= 90101
using fmt_runtime_string = fmt::runtime_format_string<Char>;
#else
using fmt_runtime_string = fmt::basic_runtime<Char>;
#endif
// clang doesn't like SFINAE disabled constructor in std::is_convertible<> so have to repeat the
// condition from basic_format_string here, in addition, fmt::basic_runtime<Char> is only
// convertible to basic_format_string<Char> but not basic_string_view<Char>
template <class T, class Char = char>
struct is_convertible_to_basic_format_string
: std::integral_constant<bool,
std::is_convertible<T, fmt::basic_string_view<Char>>::value ||
std::is_same<remove_cvref_t<T>, fmt_runtime_string<Char>>::value> {
};
#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
using wstring_view_t = fmt::basic_string_view<wchar_t>;
using wmemory_buf_t = fmt::basic_memory_buffer<wchar_t, 250>;
template <typename... Args>
using wformat_string_t = fmt::wformat_string<Args...>;
#endif
#define SPDLOG_BUF_TO_STRING(x) fmt::to_string(x)
#endif
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#ifndef _WIN32
#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
#endif // _WIN32
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
template <class T>
struct is_convertible_to_any_format_string
: std::integral_constant<bool,
is_convertible_to_basic_format_string<T, char>::value ||
is_convertible_to_basic_format_string<T, wchar_t>::value> {};
#if defined(SPDLOG_NO_ATOMIC_LEVELS)
using level_t = details::null_atomic_int;
#else
using level_t = std::atomic<int>;
#endif
#define SPDLOG_LEVEL_TRACE 0
#define SPDLOG_LEVEL_DEBUG 1
#define SPDLOG_LEVEL_INFO 2
#define SPDLOG_LEVEL_WARN 3
#define SPDLOG_LEVEL_ERROR 4
#define SPDLOG_LEVEL_CRITICAL 5
#define SPDLOG_LEVEL_OFF 6
#if !defined(SPDLOG_ACTIVE_LEVEL)
#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO
#endif
// Log level enum
namespace level {
enum level_enum : int {
trace = SPDLOG_LEVEL_TRACE,
debug = SPDLOG_LEVEL_DEBUG,
info = SPDLOG_LEVEL_INFO,
warn = SPDLOG_LEVEL_WARN,
err = SPDLOG_LEVEL_ERROR,
critical = SPDLOG_LEVEL_CRITICAL,
off = SPDLOG_LEVEL_OFF,
n_levels
};
#define SPDLOG_LEVEL_NAME_TRACE spdlog::string_view_t("trace", 5)
#define SPDLOG_LEVEL_NAME_DEBUG spdlog::string_view_t("debug", 5)
#define SPDLOG_LEVEL_NAME_INFO spdlog::string_view_t("info", 4)
#define SPDLOG_LEVEL_NAME_WARNING spdlog::string_view_t("warning", 7)
#define SPDLOG_LEVEL_NAME_ERROR spdlog::string_view_t("error", 5)
#define SPDLOG_LEVEL_NAME_CRITICAL spdlog::string_view_t("critical", 8)
#define SPDLOG_LEVEL_NAME_OFF spdlog::string_view_t("off", 3)
#if !defined(SPDLOG_LEVEL_NAMES)
#define SPDLOG_LEVEL_NAMES \
{ \
SPDLOG_LEVEL_NAME_TRACE, SPDLOG_LEVEL_NAME_DEBUG, SPDLOG_LEVEL_NAME_INFO, \
SPDLOG_LEVEL_NAME_WARNING, SPDLOG_LEVEL_NAME_ERROR, SPDLOG_LEVEL_NAME_CRITICAL, \
SPDLOG_LEVEL_NAME_OFF \
}
#endif
#if !defined(SPDLOG_SHORT_LEVEL_NAMES)
#define SPDLOG_SHORT_LEVEL_NAMES \
{ "T", "D", "I", "W", "E", "C", "O" }
#endif
SPDLOG_API const string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT;
SPDLOG_API const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT;
SPDLOG_API spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT;
} // namespace level
//
// Color mode used by sinks with color support.
//
enum class color_mode { always, automatic, never };
//
// Pattern time - specific time getting to use for pattern_formatter.
// local time by default
//
enum class pattern_time_type {
local, // log localtime
utc // log utc
};
//
// Log exception
//
class SPDLOG_API spdlog_ex : public std::exception {
public:
explicit spdlog_ex(std::string msg);
spdlog_ex(const std::string &msg, int last_errno);
const char *what() const SPDLOG_NOEXCEPT override;
private:
std::string msg_;
};
[[noreturn]] SPDLOG_API void throw_spdlog_ex(const std::string &msg, int last_errno);
[[noreturn]] SPDLOG_API void throw_spdlog_ex(std::string msg);
struct source_loc {
SPDLOG_CONSTEXPR source_loc() = default;
SPDLOG_CONSTEXPR source_loc(const char *filename_in, int line_in, const char *funcname_in)
: filename{filename_in},
line{line_in},
funcname{funcname_in} {}
SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT { return line <= 0; }
const char *filename{nullptr};
int line{0};
const char *funcname{nullptr};
};
struct file_event_handlers {
file_event_handlers()
: before_open(nullptr),
after_open(nullptr),
before_close(nullptr),
after_close(nullptr) {}
std::function<void(const filename_t &filename)> before_open;
std::function<void(const filename_t &filename, std::FILE *file_stream)> after_open;
std::function<void(const filename_t &filename, std::FILE *file_stream)> before_close;
std::function<void(const filename_t &filename)> after_close;
};
namespace details {
// to_string_view
SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(const memory_buf_t &buf)
SPDLOG_NOEXCEPT {
return spdlog::string_view_t{buf.data(), buf.size()};
}
SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(spdlog::string_view_t str)
SPDLOG_NOEXCEPT {
return str;
}
#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(const wmemory_buf_t &buf)
SPDLOG_NOEXCEPT {
return spdlog::wstring_view_t{buf.data(), buf.size()};
}
SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(spdlog::wstring_view_t str)
SPDLOG_NOEXCEPT {
return str;
}
#endif
#ifndef SPDLOG_USE_STD_FORMAT
template <typename T, typename... Args>
inline fmt::basic_string_view<T> to_string_view(fmt::basic_format_string<T, Args...> fmt) {
return fmt;
}
#elif __cpp_lib_format >= 202207L
template <typename T, typename... Args>
SPDLOG_CONSTEXPR_FUNC std::basic_string_view<T> to_string_view(
std::basic_format_string<T, Args...> fmt) SPDLOG_NOEXCEPT {
return fmt.get();
}
#endif
// make_unique support for pre c++14
#if __cplusplus >= 201402L // C++14 and beyond
using std::enable_if_t;
using std::make_unique;
#else
template <bool B, class T = void>
using enable_if_t = typename std::enable_if<B, T>::type;
template <typename T, typename... Args>
std::unique_ptr<T> make_unique(Args &&...args) {
static_assert(!std::is_array<T>::value, "arrays not supported");
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
#endif
// to avoid useless casts (see https://github.com/nlohmann/json/issues/2893#issuecomment-889152324)
template <typename T, typename U, enable_if_t<!std::is_same<T, U>::value, int> = 0>
constexpr T conditional_static_cast(U value) {
return static_cast<T>(value);
}
template <typename T, typename U, enable_if_t<std::is_same<T, U>::value, int> = 0>
constexpr T conditional_static_cast(U value) {
return value;
}
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "common-inl.h"
#endif
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