187 lines
5.6 KiB
C++
187 lines
5.6 KiB
C++
//
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// Copyright(c) 2015 Gabi Melman.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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#pragma once
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#include "spdlog/tweakme.h"
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#include <atomic>
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#include <chrono>
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#include <functional>
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#include <initializer_list>
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#include <memory>
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#include <stdexcept>
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#include <string>
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#include <type_traits>
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#include <unordered_map>
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#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
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#include <codecvt>
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#include <locale>
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#endif
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#include "spdlog/details/null_mutex.h"
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// visual studio upto 2013 does not support noexcept nor constexpr
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#if defined(_MSC_VER) && (_MSC_VER < 1900)
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#define SPDLOG_NOEXCEPT throw()
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#define SPDLOG_CONSTEXPR
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#else
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#define SPDLOG_NOEXCEPT noexcept
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#define SPDLOG_CONSTEXPR constexpr
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#endif
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#if defined(__GNUC__) || defined(__clang__)
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#define SPDLOG_DEPRECATED __attribute__((deprecated))
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#elif defined(_MSC_VER)
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#define SPDLOG_DEPRECATED __declspec(deprecated)
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#else
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#define SPDLOG_DEPRECATED
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#endif
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#include "spdlog/fmt/fmt.h"
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namespace spdlog {
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class formatter;
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namespace sinks {
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class sink;
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}
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using log_clock = std::chrono::system_clock;
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using sink_ptr = std::shared_ptr<sinks::sink>;
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using sinks_init_list = std::initializer_list<sink_ptr>;
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using log_err_handler = std::function<void(const std::string &err_msg)>;
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#if defined(SPDLOG_NO_ATOMIC_LEVELS)
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using level_t = details::null_atomic_int;
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#else
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using level_t = std::atomic<int>;
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#endif
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// Log level enum
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namespace level {
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enum level_enum
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{
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trace = 0,
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debug = 1,
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info = 2,
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warn = 3,
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err = 4,
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critical = 5,
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off = 6
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};
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#if !defined(SPDLOG_LEVEL_NAMES)
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#define SPDLOG_LEVEL_NAMES \
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{ \
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"trace", "debug", "info", "warning", "error", "critical", "off" \
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}
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#endif
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static const char *level_names[] SPDLOG_LEVEL_NAMES;
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static const char *short_level_names[]{"T", "D", "I", "W", "E", "C", "O"};
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inline const char *to_c_str(spdlog::level::level_enum l)
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{
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return level_names[l];
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}
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inline const char *to_short_c_str(spdlog::level::level_enum l)
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{
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return short_level_names[l];
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}
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inline spdlog::level::level_enum from_str(const std::string &name)
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{
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static std::unordered_map<std::string, level_enum> name_to_level = // map string->level
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{{level_names[0], level::trace}, // trace
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{level_names[1], level::debug}, // debug
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{level_names[2], level::info}, // info
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{level_names[3], level::warn}, // warn
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{level_names[4], level::err}, // err
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{level_names[5], level::critical}, // critical
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{level_names[6], level::off}}; // off
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auto lvl_it = name_to_level.find(name);
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return lvl_it != name_to_level.end() ? lvl_it->second : level::off;
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}
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using level_hasher = std::hash<int>;
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} // namespace level
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//
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// Pattern time - specific time getting to use for pattern_formatter.
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// local time by default
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//
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enum class pattern_time_type
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{
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local, // log localtime
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utc // log utc
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};
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//
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// Log exception
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//
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class spdlog_ex : public std::exception
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{
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public:
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explicit spdlog_ex(std::string msg)
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: msg_(std::move(msg))
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{
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}
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spdlog_ex(const std::string &msg, int last_errno)
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{
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fmt::memory_buffer outbuf;
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fmt::format_system_error(outbuf, last_errno, msg);
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msg_ = fmt::to_string(outbuf);
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}
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const char *what() const SPDLOG_NOEXCEPT override
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{
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return msg_.c_str();
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}
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private:
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std::string msg_;
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};
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//
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// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
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//
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#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
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using filename_t = std::wstring;
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#else
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using filename_t = std::string;
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#endif
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#define SPDLOG_CATCH_AND_HANDLE \
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catch (const std::exception &ex) \
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{ \
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err_handler_(ex.what()); \
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} \
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catch (...) \
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{ \
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err_handler_("Unknown exeption in logger"); \
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}
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namespace details {
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// make_unique support for pre c++14
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#if __cplusplus >= 201402L // C++14 and beyond
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using std::make_unique;
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#else
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template<typename T, typename... Args>
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std::unique_ptr<T> make_unique(Args &&... args)
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{
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static_assert(!std::is_array<T>::value, "arrays not supported");
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return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
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}
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#endif
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} // namespace details
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} // namespace spdlog
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