spdlog/include/spdlog/common.h

247 lines
6.8 KiB
C++

// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include <spdlog/tweakme.h>
#include <spdlog/details/null_mutex.h>
#include <atomic>
#include <chrono>
#include <initializer_list>
#include <memory>
#include <exception>
#include <string>
#include <type_traits>
#include <functional>
#ifdef SPDLOG_COMPILED_LIB
#undef SPDLOG_HEADER_ONLY
#if defined(_WIN32) && defined(SPDLOG_SHARED_LIB)
#ifdef spdlog_EXPORTS
#define SPDLOG_API __declspec(dllexport)
#else
#define SPDLOG_API __declspec(dllimport)
#endif
#else
#define SPDLOG_API
#endif
#define SPDLOG_INLINE
#else
#define SPDLOG_API
#define SPDLOG_HEADER_ONLY
#define SPDLOG_INLINE inline
#endif
#include <spdlog/fmt/fmt.h>
// visual studio upto 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 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_ALL()
#else
#define SPDLOG_TRY try
#define SPDLOG_THROW(ex) throw(ex)
#define SPDLOG_CATCH_ALL() catch (...)
#endif
namespace spdlog {
class formatter;
namespace sinks {
class sink;
}
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
using filename_t = std::wstring;
#define SPDLOG_FILENAME_T(s) L##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)>;
using string_view_t = fmt::basic_string_view<char>;
using wstring_view_t = fmt::basic_string_view<wchar_t>;
using memory_buf_t = fmt::basic_memory_buffer<char, 250>;
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#ifndef _WIN32
#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
#else
template<typename T>
struct is_convertible_to_wstring_view : std::is_convertible<T, wstring_view_t>
{};
#endif // _WIN32
#else
template<typename>
struct is_convertible_to_wstring_view : std::false_type
{};
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
#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
{
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
};
#if !defined(SPDLOG_LEVEL_NAMES)
#define SPDLOG_LEVEL_NAMES \
{ \
"trace", "debug", "info", "warning", "error", "critical", "off" \
}
#endif
#if !defined(SPDLOG_SHORT_LEVEL_NAMES)
#define SPDLOG_SHORT_LEVEL_NAMES \
{ \
"T", "D", "I", "W", "E", "C", "O" \
}
#endif
SPDLOG_API 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;
using level_hasher = std::hash<int>;
} // 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_;
};
void throw_spdlog_ex(const std::string &msg, int last_errno);
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};
};
namespace details {
// make_unique support for pre c++14
#if __cplusplus >= 201402L // C++14 and beyond
using std::make_unique;
#else
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
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "common-inl.h"
#endif