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Add spdlog via conan and not via the vendor/ directory

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This commit is contained in:
Sebastian Messmer 2019-11-02 12:44:28 -07:00 committed by Sebastian Messmer
parent 8e617b1342
commit 4329279163
84 changed files with 4 additions and 17497 deletions
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1
conanfile.py
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@ -4,6 +4,7 @@ class CryFSConan(ConanFile):
settings = "os", "compiler", "build_type", "arch"
requires = [
"range-v3/0.9.1@ericniebler/stable",
"spdlog/1.4.2",
]
generators = "cmake"
default_options = {

1
src/blockstore/implementations/caching/cache/QueueMap.h vendored
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@ -3,6 +3,7 @@
#define MESSMER_BLOCKSTORE_IMPLEMENTATIONS_CACHING_CACHE_QUEUEMAP_H_
#include <memory>
#include <array>
#include <unordered_map>
#include <cassert>
#include <boost/optional.hpp>

2
src/cpp-utils/CMakeLists.txt
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@ -89,7 +89,7 @@ target_link_libraries(${PROJECT_NAME} PUBLIC ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries(${PROJECT_NAME} PUBLIC ${CMAKE_DL_LIBS})
target_link_libraries(${PROJECT_NAME} PUBLIC spdlog cryptopp CONAN_PKG::range-v3)
target_link_libraries(${PROJECT_NAME} PUBLIC CONAN_PKG::spdlog cryptopp CONAN_PKG::range-v3)
target_add_boost(${PROJECT_NAME} filesystem system thread chrono)
target_enable_style_warnings(${PROJECT_NAME})

1
src/cpp-utils/data/FixedSizeData.h
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@ -4,6 +4,7 @@
#include <vendor_cryptopp/hex.h>
#include <string>
#include <array>
#include <cstring>
#include "../assert/assert.h"

1
vendor/CMakeLists.txt vendored
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@ -1,3 +1,2 @@
add_subdirectory(googletest)
add_subdirectory(spdlog)
add_subdirectory(cryptopp)

1
vendor/README vendored
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@ -1,7 +1,6 @@
This directory contains external projects, taken from the following locations:
googletest: https://github.com/google/googletest/tree/release-1.10.0
- changed: https://github.com/google/googletest/pull/2514
spdlog: https://github.com/gabime/spdlog/tree/v1.4.2/include/spdlog
cryptopp: https://github.com/weidai11/cryptopp/tree/CRYPTOPP_8_2_0
- changed: added CMakeLists.txt and cryptopp-config.cmake from https://github.com/noloader/cryptopp-cmake/tree/CRYPTOPP_8_2_0
- changed: commented out line including winapifamily.h in CMakeLists.txt

2
vendor/spdlog/CMakeLists.txt vendored
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@ -1,2 +0,0 @@
add_library(spdlog INTERFACE)
target_include_directories(spdlog SYSTEM INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})

93
vendor/spdlog/spdlog/async.h vendored
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@ -1,93 +0,0 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
//
// Async logging using global thread pool
// All loggers created here share same global thread pool.
// Each log message is pushed to a queue along withe a shared pointer to the
// logger.
// If a logger deleted while having pending messages in the queue, it's actual
// destruction will defer
// until all its messages are processed by the thread pool.
// This is because each message in the queue holds a shared_ptr to the
// originating logger.
#include "spdlog/async_logger.h"
#include "spdlog/details/registry.h"
#include "spdlog/details/thread_pool.h"
#include <memory>
#include <mutex>
#include <functional>
namespace spdlog {
namespace details {
static const size_t default_async_q_size = 8192;
}
// async logger factory - creates async loggers backed with thread pool.
// if a global thread pool doesn't already exist, create it with default queue
// size of 8192 items and single thread.
template<async_overflow_policy OverflowPolicy = async_overflow_policy::block>
struct async_factory_impl
{
template<typename Sink, typename... SinkArgs>
static std::shared_ptr<async_logger> create(std::string logger_name, SinkArgs &&... args)
{
auto &registry_inst = details::registry::instance();
// create global thread pool if not already exists..
auto &mutex = registry_inst.tp_mutex();
std::lock_guard<std::recursive_mutex> tp_lock(mutex);
auto tp = registry_inst.get_tp();
if (tp == nullptr)
{
tp = std::make_shared<details::thread_pool>(details::default_async_q_size, 1);
registry_inst.set_tp(tp);
}
auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
auto new_logger = std::make_shared<async_logger>(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy);
registry_inst.initialize_logger(new_logger);
return new_logger;
}
};
using async_factory = async_factory_impl<async_overflow_policy::block>;
using async_factory_nonblock = async_factory_impl<async_overflow_policy::overrun_oldest>;
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create_async(std::string logger_name, SinkArgs &&... sink_args)
{
return async_factory::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
}
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create_async_nb(std::string logger_name, SinkArgs &&... sink_args)
{
return async_factory_nonblock::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
}
// set global thread pool.
inline void init_thread_pool(size_t q_size, size_t thread_count, std::function<void()> on_thread_start)
{
auto tp = std::make_shared<details::thread_pool>(q_size, thread_count, on_thread_start);
details::registry::instance().set_tp(std::move(tp));
}
// set global thread pool.
inline void init_thread_pool(size_t q_size, size_t thread_count)
{
init_thread_pool(q_size, thread_count, [] {});
}
// get the global thread pool.
inline std::shared_ptr<spdlog::details::thread_pool> thread_pool()
{
return details::registry::instance().get_tp();
}
} // namespace spdlog

92
vendor/spdlog/spdlog/async_logger-inl.h vendored
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@ -1,92 +0,0 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/async_logger.h"
#endif
#include "spdlog/sinks/sink.h"
#include "spdlog/details/thread_pool.h"
#include <memory>
#include <string>
SPDLOG_INLINE spdlog::async_logger::async_logger(
std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy)
{}
SPDLOG_INLINE spdlog::async_logger::async_logger(
std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
: async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy)
{}
// send the log message to the thread pool
SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg)
{
if (auto pool_ptr = thread_pool_.lock())
{
pool_ptr->post_log(shared_from_this(), msg, overflow_policy_);
}
else
{
SPDLOG_THROW(spdlog_ex("async log: thread pool doesn't exist anymore"));
}
}
// send flush request to the thread pool
SPDLOG_INLINE void spdlog::async_logger::flush_()
{
if (auto pool_ptr = thread_pool_.lock())
{
pool_ptr->post_flush(shared_from_this(), overflow_policy_);
}
else
{
SPDLOG_THROW(spdlog_ex("async flush: thread pool doesn't exist anymore"));
}
}
//
// backend functions - called from the thread pool to do the actual job
//
SPDLOG_INLINE void spdlog::async_logger::backend_sink_it_(const details::log_msg &msg)
{
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
{
SPDLOG_TRY
{
sink->log(msg);
}
SPDLOG_LOGGER_CATCH()
}
}
if (should_flush_(msg))
{
backend_flush_();
}
}
SPDLOG_INLINE void spdlog::async_logger::backend_flush_()
{
for (auto &sink : sinks_)
{
SPDLOG_TRY
{
sink->flush();
}
SPDLOG_LOGGER_CATCH()
}
}
SPDLOG_INLINE std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string new_name)
{
auto cloned = std::make_shared<spdlog::async_logger>(*this);
cloned->name_ = std::move(new_name);
return cloned;
}

68
vendor/spdlog/spdlog/async_logger.h vendored
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@ -1,68 +0,0 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Fast asynchronous logger.
// Uses pre allocated queue.
// Creates a single back thread to pop messages from the queue and log them.
//
// Upon each log write the logger:
// 1. Checks if its log level is enough to log the message
// 2. Push a new copy of the message to a queue (or block the caller until
// space is available in the queue)
// Upon destruction, logs all remaining messages in the queue before
// destructing..
#include "spdlog/logger.h"
namespace spdlog {
// Async overflow policy - block by default.
enum class async_overflow_policy
{
block, // Block until message can be enqueued
overrun_oldest // Discard oldest message in the queue if full when trying to
// add new item.
};
namespace details {
class thread_pool;
}
class async_logger final : public std::enable_shared_from_this<async_logger>, public logger
{
friend class details::thread_pool;
public:
template<typename It>
async_logger(std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block)
: logger(std::move(logger_name), begin, end)
, thread_pool_(std::move(tp))
, overflow_policy_(overflow_policy)
{}
async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block);
async_logger(std::string logger_name, sink_ptr single_sink, std::weak_ptr<details::thread_pool> tp,
async_overflow_policy overflow_policy = async_overflow_policy::block);
std::shared_ptr<logger> clone(std::string new_name) override;
protected:
void sink_it_(const details::log_msg &msg) override;
void flush_() override;
void backend_sink_it_(const details::log_msg &incoming_log_msg);
void backend_flush_();
private:
std::weak_ptr<details::thread_pool> thread_pool_;
async_overflow_policy overflow_policy_;
};
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "async_logger-inl.h"
#endif

57
vendor/spdlog/spdlog/common-inl.h vendored
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@ -1,57 +0,0 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/common.h"
#endif
namespace spdlog {
namespace level {
static string_view_t level_string_views[] SPDLOG_LEVEL_NAMES;
static const char *short_level_names[] SPDLOG_SHORT_LEVEL_NAMES;
SPDLOG_INLINE string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
{
return level_string_views[l];
}
SPDLOG_INLINE const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
{
return short_level_names[l];
}
SPDLOG_INLINE spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT
{
int level = 0;
for (const auto &level_str : level_string_views)
{
if (level_str == name)
{
return static_cast<level::level_enum>(level);
}
level++;
}
return level::off;
}
} // namespace level
SPDLOG_INLINE spdlog_ex::spdlog_ex(std::string msg)
: msg_(std::move(msg))
{}
SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno)
{
memory_buf_t outbuf;
fmt::format_system_error(outbuf, last_errno, msg);
msg_ = fmt::to_string(outbuf);
}
SPDLOG_INLINE const char *spdlog_ex::what() const SPDLOG_NOEXCEPT
{
return msg_.c_str();
}
} // namespace spdlog

245
vendor/spdlog/spdlog/common.h vendored
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@ -1,245 +0,0 @@
// 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 _WIN32
#ifndef NOMINMAX
#define NOMINMAX // prevent windows redefining min/max
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif //_WIN32
#ifdef SPDLOG_COMPILED_LIB
#undef SPDLOG_HEADER_ONLY
#define SPDLOG_INLINE
#else
#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 __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,
};
#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
string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT;
const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT;
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_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_;
};
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

74
vendor/spdlog/spdlog/details/backtracer-inl.h vendored
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@ -1,74 +0,0 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/details/backtracer.h"
#endif
namespace spdlog {
namespace details {
SPDLOG_INLINE backtracer::backtracer(const backtracer &other)
{
std::lock_guard<std::mutex> lock(other.mutex_);
enabled_ = other.enabled();
messages_ = other.messages_;
}
SPDLOG_INLINE backtracer::backtracer(backtracer &&other) SPDLOG_NOEXCEPT
{
std::lock_guard<std::mutex> lock(other.mutex_);
enabled_ = other.enabled();
messages_ = std::move(other.messages_);
}
SPDLOG_INLINE backtracer &backtracer::operator=(backtracer other)
{
std::lock_guard<std::mutex> lock(mutex_);
enabled_ = other.enabled();
messages_ = other.messages_;
return *this;
}
SPDLOG_INLINE void backtracer::enable(size_t size)
{
std::lock_guard<std::mutex> lock{mutex_};
enabled_.store(true, std::memory_order_relaxed);
messages_ = circular_q<log_msg_buffer>{size};
}
SPDLOG_INLINE void backtracer::disable()
{
std::lock_guard<std::mutex> lock{mutex_};
enabled_.store(false, std::memory_order_relaxed);
}
SPDLOG_INLINE bool backtracer::enabled() const
{
return enabled_.load(std::memory_order_relaxed);
}
SPDLOG_INLINE backtracer::operator bool() const
{
return enabled();
}
SPDLOG_INLINE void backtracer::push_back(const log_msg &msg)
{
std::lock_guard<std::mutex> lock{mutex_};
messages_.push_back(log_msg_buffer{msg});
}
// pop all items in the q and apply the given fun on each of them.
SPDLOG_INLINE void backtracer::foreach_pop(std::function<void(const details::log_msg &)> fun)
{
std::lock_guard<std::mutex> lock{mutex_};
while (!messages_.empty())
{
auto &front_msg = messages_.front();
fun(front_msg);
messages_.pop_front();
}
}
} // namespace details
} // namespace spdlog

46
vendor/spdlog/spdlog/details/backtracer.h vendored
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@ -1,46 +0,0 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "spdlog/details/log_msg_buffer.h"
#include "spdlog/details/circular_q.h"
#include <atomic>
#include <mutex>
#include <functional>
// Store log messages in circular buffer.
// Useful for storing debug data in case of error/warning happens.
namespace spdlog {
namespace details {
class backtracer
{
mutable std::mutex mutex_;
std::atomic<bool> enabled_{false};
circular_q<log_msg_buffer> messages_;
public:
backtracer() = default;
backtracer(const backtracer &other);
backtracer(backtracer &&other) SPDLOG_NOEXCEPT;
backtracer &operator=(backtracer other);
void enable(size_t size);
void disable();
bool enabled() const;
explicit operator bool() const;
void push_back(const log_msg &msg);
// pop all items in the q and apply the given fun on each of them.
void foreach_pop(std::function<void(const details::log_msg &)> fun);
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "backtracer-inl.h"
#endif

119
vendor/spdlog/spdlog/details/circular_q.h vendored
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@ -1,119 +0,0 @@
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
// cirucal q view of std::vector.
#pragma once
#include <vector>
namespace spdlog {
namespace details {
template<typename T>
class circular_q
{
size_t max_items_ = 0;
typename std::vector<T>::size_type head_ = 0;
typename std::vector<T>::size_type tail_ = 0;
size_t overrun_counter_ = 0;
std::vector<T> v_;
public:
using value_type = T;
// empty ctor - create a disabled queue with no elements allocated at all
circular_q() = default;
explicit circular_q(size_t max_items)
: max_items_(max_items + 1) // one item is reserved as marker for full q
, v_(max_items_)
{}
circular_q(const circular_q &) = default;
circular_q &operator=(const circular_q &) = default;
// move cannot be default,
// since we need to reset head_, tail_, etc to zero in the moved object
circular_q(circular_q &&other) SPDLOG_NOEXCEPT
{
copy_moveable(std::move(other));
}
circular_q &operator=(circular_q &&other) SPDLOG_NOEXCEPT
{
copy_moveable(std::move(other));
return *this;
}
// push back, overrun (oldest) item if no room left
void push_back(T &&item)
{
if (max_items_ > 0)
{
v_[tail_] = std::move(item);
tail_ = (tail_ + 1) % max_items_;
if (tail_ == head_) // overrun last item if full
{
head_ = (head_ + 1) % max_items_;
++overrun_counter_;
}
}
}
// Return reference to the front item.
// If there are no elements in the container, the behavior is undefined.
const T &front() const
{
return v_[head_];
}
T &front()
{
return v_[head_];
}
// Pop item from front.
// If there are no elements in the container, the behavior is undefined.
void pop_front()
{
head_ = (head_ + 1) % max_items_;
}
bool empty() const
{
return tail_ == head_;
}
bool full() const
{
// head is ahead of the tail by 1
if (max_items_ > 0)
{
return ((tail_ + 1) % max_items_) == head_;
}
return false;
}
size_t overrun_counter() const
{
return overrun_counter_;
}
private:
// copy from other&& and reset it to disabled state
void copy_moveable(circular_q &&other) SPDLOG_NOEXCEPT
{
max_items_ = other.max_items_;
head_ = other.head_;
tail_ = other.tail_;
overrun_counter_ = other.overrun_counter_;
v_ = std::move(other.v_);
// put &&other in disabled, but valid state
other.max_items_ = 0;
other.head_ = other.tail_ = 0;
other.overrun_counter_ = 0;
}
};
} // namespace details
} // namespace spdlog

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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 <mutex>
namespace spdlog {
namespace details {
struct console_mutex
{
using mutex_t = std::mutex;
static mutex_t &mutex()
{
static mutex_t s_mutex;
return s_mutex;
}
};
struct console_nullmutex
{
using mutex_t = null_mutex;
static mutex_t &mutex()
{
static mutex_t s_mutex;
return s_mutex;
}
};
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/details/file_helper.h"
#endif
#include "spdlog/details/os.h"
#include "spdlog/common.h"
#include <cerrno>
#include <chrono>
#include <cstdio>
#include <string>
#include <thread>
#include <tuple>
namespace spdlog {
namespace details {
SPDLOG_INLINE file_helper::~file_helper()
{
close();
}
SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate)
{
close();
auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab");
_filename = fname;
for (int tries = 0; tries < open_tries; ++tries)
{
if (!os::fopen_s(&fd_, fname, mode))
{
return;
}
details::os::sleep_for_millis(open_interval);
}
SPDLOG_THROW(spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno));
}
SPDLOG_INLINE void file_helper::reopen(bool truncate)
{
if (_filename.empty())
{
SPDLOG_THROW(spdlog_ex("Failed re opening file - was not opened before"));
}
open(_filename, truncate);
}
SPDLOG_INLINE void file_helper::flush()
{
std::fflush(fd_);
}
SPDLOG_INLINE void file_helper::close()
{
if (fd_ != nullptr)
{
std::fclose(fd_);
fd_ = nullptr;
}
}
SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf)
{
size_t msg_size = buf.size();
auto data = buf.data();
if (std::fwrite(data, 1, msg_size, fd_) != msg_size)
{
SPDLOG_THROW(spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno));
}
}
SPDLOG_INLINE size_t file_helper::size() const
{
if (fd_ == nullptr)
{
SPDLOG_THROW(spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename)));
}
return os::filesize(fd_);
}
SPDLOG_INLINE const filename_t &file_helper::filename() const
{
return _filename;
}
SPDLOG_INLINE bool file_helper::file_exists(const filename_t &fname)
{
return os::file_exists(fname);
}
//
// return file path and its extension:
//
// "mylog.txt" => ("mylog", ".txt")
// "mylog" => ("mylog", "")
// "mylog." => ("mylog.", "")
// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
//
// the starting dot in filenames is ignored (hidden files):
//
// ".mylog" => (".mylog". "")
// "my_folder/.mylog" => ("my_folder/.mylog", "")
// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
SPDLOG_INLINE std::tuple<filename_t, filename_t> file_helper::split_by_extension(const filename_t &fname)
{
auto ext_index = fname.rfind('.');
// no valid extension found - return whole path and empty string as
// extension
if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1)
{
return std::make_tuple(fname, filename_t());
}
// treat casese like "/etc/rc.d/somelogfile or "/abc/.hiddenfile"
auto folder_index = fname.rfind(details::os::folder_sep);
if (folder_index != filename_t::npos && folder_index >= ext_index - 1)
{
return std::make_tuple(fname, filename_t());
}
// finally - return a valid base and extension tuple
return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
}
} // namespace details
} // namespace spdlog

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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/common.h"
#include <tuple>
namespace spdlog {
namespace details {
// Helper class for file sinks.
// When failing to open a file, retry several times(5) with a delay interval(10 ms).
// Throw spdlog_ex exception on errors.
class file_helper
{
public:
explicit file_helper() = default;
file_helper(const file_helper &) = delete;
file_helper &operator=(const file_helper &) = delete;
~file_helper();
void open(const filename_t &fname, bool truncate = false);
void reopen(bool truncate);
void flush();
void close();
void write(const memory_buf_t &buf);
size_t size() const;
const filename_t &filename() const;
static bool file_exists(const filename_t &fname);
//
// return file path and its extension:
//
// "mylog.txt" => ("mylog", ".txt")
// "mylog" => ("mylog", "")
// "mylog." => ("mylog.", "")
// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt")
//
// the starting dot in filenames is ignored (hidden files):
//
// ".mylog" => (".mylog". "")
// "my_folder/.mylog" => ("my_folder/.mylog", "")
// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt")
static std::tuple<filename_t, filename_t> split_by_extension(const filename_t &fname);
private:
const int open_tries = 5;
const int open_interval = 10;
std::FILE *fd_{nullptr};
filename_t _filename;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "file_helper-inl.h"
#endif

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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 <chrono>
#include <type_traits>
#include "spdlog/fmt/fmt.h"
#include "spdlog/common.h"
// Some fmt helpers to efficiently format and pad ints and strings
namespace spdlog {
namespace details {
namespace fmt_helper {
inline spdlog::string_view_t to_string_view(const memory_buf_t &buf) SPDLOG_NOEXCEPT
{
return spdlog::string_view_t{buf.data(), buf.size()};
}
inline void append_string_view(spdlog::string_view_t view, memory_buf_t &dest)
{
auto *buf_ptr = view.data();
if (buf_ptr != nullptr)
{
dest.append(buf_ptr, buf_ptr + view.size());
}
}
template<typename T>
inline void append_int(T n, memory_buf_t &dest)
{
fmt::format_int i(n);
dest.append(i.data(), i.data() + i.size());
}
template<typename T>
inline unsigned count_digits(T n)
{
using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type;
return static_cast<unsigned>(fmt::internal::count_digits(static_cast<count_type>(n)));
}
inline void pad2(int n, memory_buf_t &dest)
{
if (n > 99)
{
append_int(n, dest);
}
else if (n > 9) // 10-99
{
dest.push_back(static_cast<char>('0' + n / 10));
dest.push_back(static_cast<char>('0' + n % 10));
}
else if (n >= 0) // 0-9
{
dest.push_back('0');
dest.push_back(static_cast<char>('0' + n));
}
else // negatives (unlikely, but just in case, let fmt deal with it)
{
fmt::format_to(dest, "{:02}", n);
}
}
template<typename T>
inline void pad_uint(T n, unsigned int width, memory_buf_t &dest)
{
static_assert(std::is_unsigned<T>::value, "pad_uint must get unsigned T");
auto digits = count_digits(n);
if (width > digits)
{
const char *zeroes = "0000000000000000000";
dest.append(zeroes, zeroes + width - digits);
}
append_int(n, dest);
}
template<typename T>
inline void pad3(T n, memory_buf_t &dest)
{
pad_uint(n, 3, dest);
}
template<typename T>
inline void pad6(T n, memory_buf_t &dest)
{
pad_uint(n, 6, dest);
}
template<typename T>
inline void pad9(T n, memory_buf_t &dest)
{
pad_uint(n, 9, dest);
}
// return fraction of a second of the given time_point.
// e.g.
// fraction<std::milliseconds>(tp) -> will return the millis part of the second
template<typename ToDuration>
inline ToDuration time_fraction(log_clock::time_point tp)
{
using std::chrono::duration_cast;
using std::chrono::seconds;
auto duration = tp.time_since_epoch();
auto secs = duration_cast<seconds>(duration);
return duration_cast<ToDuration>(duration) - duration_cast<ToDuration>(secs);
}
} // namespace fmt_helper
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/details/log_msg.h"
#endif
#include "spdlog/details/os.h"
namespace spdlog {
namespace details {
SPDLOG_INLINE log_msg::log_msg(spdlog::source_loc loc, string_view_t logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg)
: logger_name(logger_name)
, level(lvl)
#ifndef SPDLOG_NO_DATETIME
, time(os::now())
#endif
#ifndef SPDLOG_NO_THREAD_ID
, thread_id(os::thread_id())
#endif
, source(loc)
, payload(msg)
{}
SPDLOG_INLINE log_msg::log_msg(string_view_t logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg)
: log_msg(source_loc{}, logger_name, lvl, msg)
{}
} // namespace details
} // namespace spdlog

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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/common.h"
#include <string>
namespace spdlog {
namespace details {
struct log_msg
{
log_msg() = default;
log_msg(source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg);
log_msg(string_view_t logger_name, level::level_enum lvl, string_view_t msg);
log_msg(const log_msg &other) = default;
string_view_t logger_name;
level::level_enum level{level::off};
log_clock::time_point time;
size_t thread_id{0};
// wrapping the formatted text with color (updated by pattern_formatter).
mutable size_t color_range_start{0};
mutable size_t color_range_end{0};
source_loc source;
string_view_t payload;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "log_msg-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/details/log_msg_buffer.h"
#endif
namespace spdlog {
namespace details {
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg &orig_msg)
: log_msg{orig_msg}
{
buffer.append(logger_name.begin(), logger_name.end());
buffer.append(payload.begin(), payload.end());
update_string_views();
}
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg_buffer &other)
: log_msg{other}
{
buffer.append(logger_name.begin(), logger_name.end());
buffer.append(payload.begin(), payload.end());
update_string_views();
}
SPDLOG_INLINE log_msg_buffer::log_msg_buffer(log_msg_buffer &&other)
: log_msg{std::move(other)}
, buffer{std::move(other.buffer)}
{
update_string_views();
}
SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &other)
{
log_msg::operator=(other);
buffer.clear();
buffer.append(other.buffer.data(), other.buffer.data() + other.buffer.size());
update_string_views();
return *this;
}
SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(log_msg_buffer &&other)
{
log_msg::operator=(std::move(other));
buffer = std::move(other.buffer);
update_string_views();
return *this;
}
SPDLOG_INLINE void log_msg_buffer::update_string_views()
{
logger_name = string_view_t{buffer.data(), logger_name.size()};
payload = string_view_t{buffer.data() + logger_name.size(), payload.size()};
}
} // namespace details
} // namespace spdlog

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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/log_msg.h"
namespace spdlog {
namespace details {
// Extend log_msg with internal buffer to store its payload.
// THis is needed since log_msg holds string_views that points to stack data.
class log_msg_buffer : public log_msg
{
memory_buf_t buffer;
void update_string_views();
public:
log_msg_buffer() = default;
explicit log_msg_buffer(const log_msg &orig_msg);
log_msg_buffer(const log_msg_buffer &other);
log_msg_buffer(log_msg_buffer &&other);
log_msg_buffer &operator=(const log_msg_buffer &other);
log_msg_buffer &operator=(log_msg_buffer &&other);
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "log_msg_buffer-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// multi producer-multi consumer blocking queue.
// enqueue(..) - will block until room found to put the new message.
// enqueue_nowait(..) - will return immediately with false if no room left in
// the queue.
// dequeue_for(..) - will block until the queue is not empty or timeout have
// passed.
#include "spdlog/details/circular_q.h"
#include <condition_variable>
#include <mutex>
namespace spdlog {
namespace details {
template<typename T>
class mpmc_blocking_queue
{
public:
using item_type = T;
explicit mpmc_blocking_queue(size_t max_items)
: q_(max_items)
{}
#ifndef __MINGW32__
// try to enqueue and block if no room left
void enqueue(T &&item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
pop_cv_.wait(lock, [this] { return !this->q_.full(); });
q_.push_back(std::move(item));
}
push_cv_.notify_one();
}
// enqueue immediately. overrun oldest message in the queue if no room left.
void enqueue_nowait(T &&item)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.push_back(std::move(item));
}
push_cv_.notify_one();
}
// try to dequeue item. if no item found. wait upto timeout and try again
// Return true, if succeeded dequeue item, false otherwise
bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
{
{
std::unique_lock<std::mutex> lock(queue_mutex_);
if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
{
return false;
}
popped_item = std::move(q_.front());
q_.pop_front();
}
pop_cv_.notify_one();
return true;
}
#else
// apparently mingw deadlocks if the mutex is released before cv.notify_one(),
// so release the mutex at the very end each function.
// try to enqueue and block if no room left
void enqueue(T &&item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
pop_cv_.wait(lock, [this] { return !this->q_.full(); });
q_.push_back(std::move(item));
push_cv_.notify_one();
}
// enqueue immediately. overrun oldest message in the queue if no room left.
void enqueue_nowait(T &&item)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
q_.push_back(std::move(item));
push_cv_.notify_one();
}
// try to dequeue item. if no item found. wait upto timeout and try again
// Return true, if succeeded dequeue item, false otherwise
bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration)
{
std::unique_lock<std::mutex> lock(queue_mutex_);
if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); }))
{
return false;
}
popped_item = std::move(q_.front());
q_.pop_front();
pop_cv_.notify_one();
return true;
}
#endif
size_t overrun_counter()
{
std::unique_lock<std::mutex> lock(queue_mutex_);
return q_.overrun_counter();
}
private:
std::mutex queue_mutex_;
std::condition_variable push_cv_;
std::condition_variable pop_cv_;
spdlog::details::circular_q<T> q_;
};
} // namespace details
} // namespace spdlog

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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 <atomic>
#include <utility>
// null, no cost dummy "mutex" and dummy "atomic" int
namespace spdlog {
namespace details {
struct null_mutex
{
void lock() const {}
void unlock() const {}
bool try_lock() const
{
return true;
}
};
struct null_atomic_int
{
int value;
null_atomic_int() = default;
explicit null_atomic_int(int new_value)
: value(new_value)
{}
int load(std::memory_order = std::memory_order_relaxed) const
{
return value;
}
void store(int new_value, std::memory_order = std::memory_order_relaxed)
{
value = new_value;
}
int exchange(int new_value, std::memory_order = std::memory_order_relaxed)
{
std::swap(new_value, value);
return new_value; // return value before the call
}
};
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/details/os.h"
#endif
#include "spdlog/common.h"
#include <algorithm>
#include <chrono>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <string>
#include <thread>
#include <array>
#include <sys/stat.h>
#include <sys/types.h>
#ifdef _WIN32
#ifndef NOMINMAX
#define NOMINMAX // prevent windows redefining min/max
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <io.h> // _get_osfhandle and _isatty support
#include <process.h> // _get_pid support
#include <windows.h>
#ifdef __MINGW32__
#include <share.h>
#endif
#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)
#include <limits>
#endif
#else // unix
#include <fcntl.h>
#include <unistd.h>
#ifdef __linux__
#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
#elif defined(_AIX)
#include <pthread.h> // for pthread_getthreadid_np
#elif defined(__DragonFly__) || defined(__FreeBSD__)
#include <pthread_np.h> // for pthread_getthreadid_np
#elif defined(__NetBSD__)
#include <lwp.h> // for _lwp_self
#elif defined(__sun)
#include <thread.h> // for thr_self
#endif
#endif // unix
#ifndef __has_feature // Clang - feature checking macros.
#define __has_feature(x) 0 // Compatibility with non-clang compilers.
#endif
namespace spdlog {
namespace details {
namespace os {
SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT
{
#if defined __linux__ && defined SPDLOG_CLOCK_COARSE
timespec ts;
::clock_gettime(CLOCK_REALTIME_COARSE, &ts);
return std::chrono::time_point<log_clock, typename log_clock::duration>(
std::chrono::duration_cast<typename log_clock::duration>(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec)));
#else
return log_clock::now();
#endif
}
SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
std::tm tm;
localtime_s(&tm, &time_tt);
#else
std::tm tm;
localtime_r(&time_tt, &tm);
#endif
return tm;
}
SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT
{
std::time_t now_t = time(nullptr);
return localtime(now_t);
}
SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
std::tm tm;
gmtime_s(&tm, &time_tt);
#else
std::tm tm;
gmtime_r(&time_tt, &tm);
#endif
return tm;
}
SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT
{
std::time_t now_t = time(nullptr);
return gmtime(now_t);
}
SPDLOG_INLINE void prevent_child_fd(FILE *f)
{
#ifdef _WIN32
#if !defined(__cplusplus_winrt)
auto file_handle = reinterpret_cast<HANDLE>(_get_osfhandle(_fileno(f)));
if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
SPDLOG_THROW(spdlog_ex("SetHandleInformation failed", errno));
#endif
#else
auto fd = fileno(f);
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
{
SPDLOG_THROW(spdlog_ex("fcntl with FD_CLOEXEC failed", errno));
}
#endif
}
// fopen_s on non windows for writing
SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode)
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
*fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
#else
*fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
#endif
#else // unix
*fp = fopen((filename.c_str()), mode.c_str());
#endif
#ifdef SPDLOG_PREVENT_CHILD_FD
if (*fp != nullptr)
{
prevent_child_fd(*fp);
}
#endif
return *fp == nullptr;
}
SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wremove(filename.c_str());
#else
return std::remove(filename.c_str());
#endif
}
SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT
{
return file_exists(filename) ? remove(filename) : 0;
}
SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT
{
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
return _wrename(filename1.c_str(), filename2.c_str());
#else
return std::rename(filename1.c_str(), filename2.c_str());
#endif
}
// Return true if file exists
SPDLOG_INLINE bool file_exists(const filename_t &filename) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
#ifdef SPDLOG_WCHAR_FILENAMES
auto attribs = GetFileAttributesW(filename.c_str());
#else
auto attribs = GetFileAttributesA(filename.c_str());
#endif
return (attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY));
#else // common linux/unix all have the stat system call
struct stat buffer;
return (::stat(filename.c_str(), &buffer) == 0);
#endif
}
// Return file size according to open FILE* object
SPDLOG_INLINE size_t filesize(FILE *f)
{
if (f == nullptr)
{
SPDLOG_THROW(spdlog_ex("Failed getting file size. fd is null"));
}
#if defined(_WIN32) && !defined(__CYGWIN__)
int fd = _fileno(f);
#if _WIN64 // 64 bits
__int64 ret = _filelengthi64(fd);
if (ret >= 0)
{
return static_cast<size_t>(ret);
}
#else // windows 32 bits
long ret = _filelength(fd);
if (ret >= 0)
{
return static_cast<size_t>(ret);
}
#endif
#else // unix
int fd = fileno(f);
// 64 bits(but not in osx or cygwin, where fstat64 is deprecated)
#if (defined(__linux__) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64))
struct stat64 st;
if (::fstat64(fd, &st) == 0)
{
return static_cast<size_t>(st.st_size);
}
#else // unix 32 bits or cygwin
struct stat st;
if (::fstat(fd, &st) == 0)
{
return static_cast<size_t>(st.st_size);
}
#endif
#endif
SPDLOG_THROW(spdlog_ex("Failed getting file size from fd", errno));
}
// Return utc offset in minutes or throw spdlog_ex on failure
SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm)
{
#ifdef _WIN32
#if _WIN32_WINNT < _WIN32_WINNT_WS08
TIME_ZONE_INFORMATION tzinfo;
auto rv = GetTimeZoneInformation(&tzinfo);
#else
DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
auto rv = GetDynamicTimeZoneInformation(&tzinfo);
#endif
if (rv == TIME_ZONE_ID_INVALID)
SPDLOG_THROW(spdlog::spdlog_ex("Failed getting timezone info. ", errno));
int offset = -tzinfo.Bias;
if (tm.tm_isdst)
{
offset -= tzinfo.DaylightBias;
}
else
{
offset -= tzinfo.StandardBias;
}
return offset;
#else
#if defined(sun) || defined(__sun) || defined(_AIX)
// 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris
struct helper
{
static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime())
{
int local_year = localtm.tm_year + (1900 - 1);
int gmt_year = gmtm.tm_year + (1900 - 1);
long int days = (
// difference in day of year
localtm.tm_yday -
gmtm.tm_yday
// + intervening leap days
+ ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) +
((local_year / 100 >> 2) - (gmt_year / 100 >> 2))
// + difference in years * 365 */
+ (long int)(local_year - gmt_year) * 365);
long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour);
long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min);
long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec);
return secs;
}
};
auto offset_seconds = helper::calculate_gmt_offset(tm);
#else
auto offset_seconds = tm.tm_gmtoff;
#endif
return static_cast<int>(offset_seconds / 60);
#endif
}
// Return current thread id as size_t
// It exists because the std::this_thread::get_id() is much slower(especially
// under VS 2013)
SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return static_cast<size_t>(::GetCurrentThreadId());
#elif defined(__linux__)
#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21)
#define SYS_gettid __NR_gettid
#endif
return static_cast<size_t>(syscall(SYS_gettid));
#elif defined(_AIX) || defined(__DragonFly__) || defined(__FreeBSD__)
return static_cast<size_t>(pthread_getthreadid_np());
#elif defined(__NetBSD__)
return static_cast<size_t>(_lwp_self());
#elif defined(__OpenBSD__)
return static_cast<size_t>(getthrid());
#elif defined(__sun)
return static_cast<size_t>(thr_self());
#elif __APPLE__
uint64_t tid;
pthread_threadid_np(nullptr, &tid);
return static_cast<size_t>(tid);
#else // Default to standard C++11 (other Unix)
return static_cast<size_t>(std::hash<std::thread::id>()(std::this_thread::get_id()));
#endif
}
// Return current thread id as size_t (from thread local storage)
SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT
{
#if defined(SPDLOG_NO_TLS)
return _thread_id();
#else // cache thread id in tls
static thread_local const size_t tid = _thread_id();
return tid;
#endif
}
// This is avoid msvc issue in sleep_for that happens if the clock changes.
// See https://github.com/gabime/spdlog/issues/609
SPDLOG_INLINE void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT
{
#if defined(_WIN32)
::Sleep(milliseconds);
#else
std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
#endif
}
// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
memory_buf_t buf;
wstr_to_utf8buf(filename, buf);
return fmt::to_string(buf);
}
#else
SPDLOG_INLINE std::string filename_to_str(const filename_t &filename)
{
return filename;
}
#endif
SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return static_cast<int>(::GetCurrentProcessId());
#else
return static_cast<int>(::getpid());
#endif
}
// Determine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/
SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return true;
#else
static constexpr std::array<const char *, 14> Terms = {
{"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux", "msys", "putty", "rxvt", "screen", "vt100", "xterm"}};
const char *env_p = std::getenv("TERM");
if (env_p == nullptr)
{
return false;
}
static const bool result =
std::any_of(std::begin(Terms), std::end(Terms), [&](const char *term) { return std::strstr(env_p, term) != nullptr; });
return result;
#endif
}
// Detrmine if the terminal attached
// Source: https://github.com/agauniyal/rang/
SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
{
#ifdef _WIN32
return _isatty(_fileno(file)) != 0;
#else
return isatty(fileno(file)) != 0;
#endif
}
#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target)
{
if (wstr.size() > static_cast<size_t>(std::numeric_limits<int>::max()))
{
SPDLOG_THROW(spdlog::spdlog_ex("UTF-16 string is too big to be converted to UTF-8"));
}
int wstr_size = static_cast<int>(wstr.size());
if (wstr_size == 0)
{
target.resize(0);
return;
}
int result_size = static_cast<int>(target.capacity());
if ((wstr_size + 1) * 2 > result_size)
{
result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL);
}
if (result_size > 0)
{
target.resize(result_size);
result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL);
if (result_size > 0)
{
target.resize(result_size);
return;
}
}
SPDLOG_THROW(spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError())));
}
#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
} // namespace os
} // namespace details
} // namespace spdlog

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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/common.h"
#include <ctime> // std::time_t
namespace spdlog {
namespace details {
namespace os {
spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT;
std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT;
std::tm localtime() SPDLOG_NOEXCEPT;
std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT;
std::tm gmtime() SPDLOG_NOEXCEPT;
// eol definition
#if !defined(SPDLOG_EOL)
#ifdef _WIN32
#define SPDLOG_EOL "\r\n"
#else
#define SPDLOG_EOL "\n"
#endif
#endif
SPDLOG_CONSTEXPR static const char *default_eol = SPDLOG_EOL;
// folder separator
#ifdef _WIN32
const char folder_sep = '\\';
#else
SPDLOG_CONSTEXPR static const char folder_sep = '/';
#endif
void prevent_child_fd(FILE *f);
// fopen_s on non windows for writing
bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode);
// Remove filename. return 0 on success
int remove(const filename_t &filename) SPDLOG_NOEXCEPT;
// Remove file if exists. return 0 on success
// Note: Non atomic (might return failure to delete if concurrently deleted by other process/thread)
int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT;
int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT;
// Return if file exists.
bool file_exists(const filename_t &filename) SPDLOG_NOEXCEPT;
// Return file size according to open FILE* object
size_t filesize(FILE *f);
// Return utc offset in minutes or throw spdlog_ex on failure
int utc_minutes_offset(const std::tm &tm = details::os::localtime());
// Return current thread id as size_t
// It exists because the std::this_thread::get_id() is much slower(especially
// under VS 2013)
size_t _thread_id() SPDLOG_NOEXCEPT;
// Return current thread id as size_t (from thread local storage)
size_t thread_id() SPDLOG_NOEXCEPT;
// This is avoid msvc issue in sleep_for that happens if the clock changes.
// See https://github.com/gabime/spdlog/issues/609
void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT;
std::string filename_to_str(const filename_t &filename);
int pid() SPDLOG_NOEXCEPT;
// Determine if the terminal supports colors
// Source: https://github.com/agauniyal/rang/
bool is_color_terminal() SPDLOG_NOEXCEPT;
// Detrmine if the terminal attached
// Source: https://github.com/agauniyal/rang/
bool in_terminal(FILE *file) SPDLOG_NOEXCEPT;
#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32)
void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target);
#endif
} // namespace os
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "os-inl.h"
#endif

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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/common.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/details/os.h"
#include "spdlog/formatter.h"
#include <chrono>
#include <ctime>
#include <memory>
#include <string>
#include <vector>
namespace spdlog {
namespace details {
// padding information.
struct padding_info
{
enum pad_side
{
left,
right,
center
};
padding_info() = default;
padding_info(size_t width, padding_info::pad_side side)
: width_(width)
, side_(side)
{}
bool enabled() const
{
return width_ != 0;
}
const size_t width_ = 0;
const pad_side side_ = left;
};
class flag_formatter
{
public:
explicit flag_formatter(padding_info padinfo)
: padinfo_(padinfo)
{}
flag_formatter() = default;
virtual ~flag_formatter() = default;
virtual void format(const details::log_msg &msg, const std::tm &tm_time, memory_buf_t &dest) = 0;
protected:
padding_info padinfo_;
};
} // namespace details
class pattern_formatter final : public formatter
{
public:
explicit pattern_formatter(
std::string pattern, pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol);
// use default pattern is not given
explicit pattern_formatter(pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol);
pattern_formatter(const pattern_formatter &other) = delete;
pattern_formatter &operator=(const pattern_formatter &other) = delete;
std::unique_ptr<formatter> clone() const override;
void format(const details::log_msg &msg, memory_buf_t &dest) override;
private:
std::string pattern_;
std::string eol_;
pattern_time_type pattern_time_type_;
std::tm cached_tm_;
std::chrono::seconds last_log_secs_;
std::vector<std::unique_ptr<details::flag_formatter>> formatters_;
std::tm get_time_(const details::log_msg &msg);
template<typename Padder>
void handle_flag_(char flag, details::padding_info padding);
// Extract given pad spec (e.g. %8X)
// Advance the given it pass the end of the padding spec found (if any)
// Return padding.
details::padding_info handle_padspec_(std::string::const_iterator &it, std::string::const_iterator end);
void compile_pattern_(const std::string &pattern);
};
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "pattern_formatter-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/details/periodic_worker.h"
#endif
namespace spdlog {
namespace details {
SPDLOG_INLINE periodic_worker::periodic_worker(const std::function<void()> &callback_fun, std::chrono::seconds interval)
{
active_ = (interval > std::chrono::seconds::zero());
if (!active_)
{
return;
}
worker_thread_ = std::thread([this, callback_fun, interval]() {
for (;;)
{
std::unique_lock<std::mutex> lock(this->mutex_);
if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; }))
{
return; // active_ == false, so exit this thread
}
callback_fun();
}
});
}
// stop the worker thread and join it
SPDLOG_INLINE periodic_worker::~periodic_worker()
{
if (worker_thread_.joinable())
{
{
std::lock_guard<std::mutex> lock(mutex_);
active_ = false;
}
cv_.notify_one();
worker_thread_.join();
}
}
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// periodic worker thread - periodically executes the given callback function.
//
// RAII over the owned thread:
// creates the thread on construction.
// stops and joins the thread on destruction (if the thread is executing a callback, wait for it to finish first).
#include <chrono>
#include <condition_variable>
#include <functional>
#include <mutex>
#include <thread>
namespace spdlog {
namespace details {
class periodic_worker
{
public:
periodic_worker(const std::function<void()> &callback_fun, std::chrono::seconds interval);
periodic_worker(const periodic_worker &) = delete;
periodic_worker &operator=(const periodic_worker &) = delete;
// stop the worker thread and join it
~periodic_worker();
private:
bool active_;
std::thread worker_thread_;
std::mutex mutex_;
std::condition_variable cv_;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "periodic_worker-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/details/registry.h"
#endif
#include "spdlog/common.h"
#include "spdlog/details/periodic_worker.h"
#include "spdlog/logger.h"
#include "spdlog/details/pattern_formatter.h"
#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
// support for the default stdout color logger
#ifdef _WIN32
#include "spdlog/sinks/wincolor_sink.h"
#else
#include "spdlog/sinks/ansicolor_sink.h"
#endif
#endif // SPDLOG_DISABLE_DEFAULT_LOGGER
#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
namespace spdlog {
namespace details {
SPDLOG_INLINE registry::registry()
: formatter_(new pattern_formatter())
{
#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER
// create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows).
#ifdef _WIN32
auto color_sink = std::make_shared<sinks::wincolor_stdout_sink_mt>();
#else
auto color_sink = std::make_shared<sinks::ansicolor_stdout_sink_mt>();
#endif
const char *default_logger_name = "";
default_logger_ = std::make_shared<spdlog::logger>(default_logger_name, std::move(color_sink));
loggers_[default_logger_name] = default_logger_;
#endif // SPDLOG_DISABLE_DEFAULT_LOGGER
}
SPDLOG_INLINE void registry::register_logger(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
register_logger_(std::move(new_logger));
}
SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr<logger> new_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
new_logger->set_formatter(formatter_->clone());
if (err_handler_)
{
new_logger->set_error_handler(err_handler_);
}
new_logger->set_level(level_);
new_logger->flush_on(flush_level_);
if (backtrace_n_messages_ > 0)
{
new_logger->enable_backtrace(backtrace_n_messages_);
}
if (automatic_registration_)
{
register_logger_(std::move(new_logger));
}
}
SPDLOG_INLINE std::shared_ptr<logger> registry::get(const std::string &logger_name)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
auto found = loggers_.find(logger_name);
return found == loggers_.end() ? nullptr : found->second;
}
SPDLOG_INLINE std::shared_ptr<logger> registry::default_logger()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
return default_logger_;
}
// Return raw ptr to the default logger.
// To be used directly by the spdlog default api (e.g. spdlog::info)
// This make the default API faster, but cannot be used concurrently with set_default_logger().
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
SPDLOG_INLINE logger *registry::get_default_raw()
{
return default_logger_.get();
}
// set default logger.
// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
SPDLOG_INLINE void registry::set_default_logger(std::shared_ptr<logger> new_default_logger)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
// remove previous default logger from the map
if (default_logger_ != nullptr)
{
loggers_.erase(default_logger_->name());
}
if (new_default_logger != nullptr)
{
loggers_[new_default_logger->name()] = new_default_logger;
}
default_logger_ = std::move(new_default_logger);
}
SPDLOG_INLINE void registry::set_tp(std::shared_ptr<thread_pool> tp)
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
tp_ = std::move(tp);
}
SPDLOG_INLINE std::shared_ptr<thread_pool> registry::get_tp()
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
return tp_;
}
// Set global formatter. Each sink in each logger will get a clone of this object
SPDLOG_INLINE void registry::set_formatter(std::unique_ptr<formatter> formatter)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
formatter_ = std::move(formatter);
for (auto &l : loggers_)
{
l.second->set_formatter(formatter_->clone());
}
}
SPDLOG_INLINE void registry::enable_backtrace(size_t n_messages)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
backtrace_n_messages_ = n_messages;
for (auto &l : loggers_)
{
l.second->enable_backtrace(n_messages);
}
}
SPDLOG_INLINE void registry::disable_backtrace()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
backtrace_n_messages_ = 0;
for (auto &l : loggers_)
{
l.second->disable_backtrace();
}
}
SPDLOG_INLINE void registry::set_level(level::level_enum log_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->set_level(log_level);
}
level_ = log_level;
}
SPDLOG_INLINE void registry::flush_on(level::level_enum log_level)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->flush_on(log_level);
}
flush_level_ = log_level;
}
SPDLOG_INLINE void registry::flush_every(std::chrono::seconds interval)
{
std::lock_guard<std::mutex> lock(flusher_mutex_);
std::function<void()> clbk = std::bind(&registry::flush_all, this);
periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
}
SPDLOG_INLINE void registry::set_error_handler(void (*handler)(const std::string &msg))
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->set_error_handler(handler);
}
err_handler_ = handler;
}
SPDLOG_INLINE void registry::apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
fun(l.second);
}
}
SPDLOG_INLINE void registry::flush_all()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
for (auto &l : loggers_)
{
l.second->flush();
}
}
SPDLOG_INLINE void registry::drop(const std::string &logger_name)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
loggers_.erase(logger_name);
if (default_logger_ && default_logger_->name() == logger_name)
{
default_logger_.reset();
}
}
SPDLOG_INLINE void registry::drop_all()
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
loggers_.clear();
default_logger_.reset();
}
// clean all resources and threads started by the registry
SPDLOG_INLINE void registry::shutdown()
{
{
std::lock_guard<std::mutex> lock(flusher_mutex_);
periodic_flusher_.reset();
}
drop_all();
{
std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
tp_.reset();
}
}
SPDLOG_INLINE std::recursive_mutex &registry::tp_mutex()
{
return tp_mutex_;
}
SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_regsistration)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
automatic_registration_ = automatic_regsistration;
}
SPDLOG_INLINE registry &registry::instance()
{
static registry s_instance;
return s_instance;
}
SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name)
{
if (loggers_.find(logger_name) != loggers_.end())
{
SPDLOG_THROW(spdlog_ex("logger with name '" + logger_name + "' already exists"));
}
}
SPDLOG_INLINE void registry::register_logger_(std::shared_ptr<logger> new_logger)
{
auto logger_name = new_logger->name();
throw_if_exists_(logger_name);
loggers_[logger_name] = std::move(new_logger);
}
} // namespace details
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Loggers registry of unique name->logger pointer
// An attempt to create a logger with an already existing name will result with spdlog_ex exception.
// If user requests a non existing logger, nullptr will be returned
// This class is thread safe
#include "spdlog/common.h"
#include <chrono>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
#include <mutex>
namespace spdlog {
class logger;
namespace details {
class thread_pool;
class periodic_worker;
class registry
{
public:
registry(const registry &) = delete;
registry &operator=(const registry &) = delete;
void register_logger(std::shared_ptr<logger> new_logger);
void initialize_logger(std::shared_ptr<logger> new_logger);
std::shared_ptr<logger> get(const std::string &logger_name);
std::shared_ptr<logger> default_logger();
// Return raw ptr to the default logger.
// To be used directly by the spdlog default api (e.g. spdlog::info)
// This make the default API faster, but cannot be used concurrently with set_default_logger().
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
logger *get_default_raw();
// set default logger.
// default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map.
void set_default_logger(std::shared_ptr<logger> new_default_logger);
void set_tp(std::shared_ptr<thread_pool> tp);
std::shared_ptr<thread_pool> get_tp();
// Set global formatter. Each sink in each logger will get a clone of this object
void set_formatter(std::unique_ptr<formatter> formatter);
void enable_backtrace(size_t n_messages);
void disable_backtrace();
void set_level(level::level_enum log_level);
void flush_on(level::level_enum log_level);
void flush_every(std::chrono::seconds interval);
void set_error_handler(void (*handler)(const std::string &msg));
void apply_all(const std::function<void(const std::shared_ptr<logger>)> &fun);
void flush_all();
void drop(const std::string &logger_name);
void drop_all();
// clean all resources and threads started by the registry
void shutdown();
std::recursive_mutex &tp_mutex();
void set_automatic_registration(bool automatic_regsistration);
static registry &instance();
private:
registry();
~registry() = default;
void throw_if_exists_(const std::string &logger_name);
void register_logger_(std::shared_ptr<logger> new_logger);
std::mutex logger_map_mutex_, flusher_mutex_;
std::recursive_mutex tp_mutex_;
std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
std::unique_ptr<formatter> formatter_;
level::level_enum level_ = level::info;
level::level_enum flush_level_ = level::off;
void (*err_handler_)(const std::string &msg);
std::shared_ptr<thread_pool> tp_;
std::unique_ptr<periodic_worker> periodic_flusher_;
std::shared_ptr<logger> default_logger_;
bool automatic_registration_ = true;
size_t backtrace_n_messages_ = 0;
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "registry-inl.h"
#endif

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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 "registry.h"
namespace spdlog {
// Default logger factory- creates synchronous loggers
class logger;
struct synchronous_factory
{
template<typename Sink, typename... SinkArgs>
static std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&... args)
{
auto sink = std::make_shared<Sink>(std::forward<SinkArgs>(args)...);
auto new_logger = std::make_shared<spdlog::logger>(std::move(logger_name), std::move(sink));
details::registry::instance().initialize_logger(new_logger);
return new_logger;
}
};
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/details/thread_pool.h"
#endif
#include "spdlog/common.h"
namespace spdlog {
namespace details {
SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start)
: q_(q_max_items)
{
if (threads_n == 0 || threads_n > 1000)
{
SPDLOG_THROW(spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid "
"range is 1-1000)"));
}
for (size_t i = 0; i < threads_n; i++)
{
threads_.emplace_back([this, on_thread_start] {
on_thread_start();
this->thread_pool::worker_loop_();
});
}
}
SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n)
: thread_pool(q_max_items, threads_n, [] {})
{}
// message all threads to terminate gracefully join them
SPDLOG_INLINE thread_pool::~thread_pool()
{
SPDLOG_TRY
{
for (size_t i = 0; i < threads_.size(); i++)
{
post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block);
}
for (auto &t : threads_)
{
t.join();
}
}
SPDLOG_CATCH_ALL() {}
}
void SPDLOG_INLINE thread_pool::post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy)
{
async_msg async_m(std::move(worker_ptr), async_msg_type::log, msg);
post_async_msg_(std::move(async_m), overflow_policy);
}
void SPDLOG_INLINE thread_pool::post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy)
{
post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy);
}
size_t SPDLOG_INLINE thread_pool::overrun_counter()
{
return q_.overrun_counter();
}
void SPDLOG_INLINE thread_pool::post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy)
{
if (overflow_policy == async_overflow_policy::block)
{
q_.enqueue(std::move(new_msg));
}
else
{
q_.enqueue_nowait(std::move(new_msg));
}
}
void SPDLOG_INLINE thread_pool::worker_loop_()
{
while (process_next_msg_()) {};
}
// process next message in the queue
// return true if this thread should still be active (while no terminate msg
// was received)
bool SPDLOG_INLINE thread_pool::process_next_msg_()
{
async_msg incoming_async_msg;
bool dequeued = q_.dequeue_for(incoming_async_msg, std::chrono::seconds(10));
if (!dequeued)
{
return true;
}
switch (incoming_async_msg.msg_type)
{
case async_msg_type::log:
{
incoming_async_msg.worker_ptr->backend_sink_it_(incoming_async_msg);
return true;
}
case async_msg_type::flush:
{
incoming_async_msg.worker_ptr->backend_flush_();
return true;
}
case async_msg_type::terminate:
{
return false;
}
default:
{
assert(false && "Unexpected async_msg_type");
}
}
return true;
}
} // namespace details
} // namespace spdlog

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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/log_msg_buffer.h"
#include "spdlog/details/mpmc_blocking_q.h"
#include "spdlog/details/os.h"
#include <chrono>
#include <memory>
#include <thread>
#include <vector>
#include <functional>
namespace spdlog {
class async_logger;
namespace details {
using async_logger_ptr = std::shared_ptr<spdlog::async_logger>;
enum class async_msg_type
{
log,
flush,
terminate
};
#include "spdlog/details/log_msg_buffer.h"
// Async msg to move to/from the queue
// Movable only. should never be copied
struct async_msg : log_msg_buffer
{
async_msg_type msg_type{async_msg_type::log};
async_logger_ptr worker_ptr;
async_msg() = default;
~async_msg() = default;
// should only be moved in or out of the queue..
async_msg(const async_msg &) = delete;
// support for vs2013 move
#if defined(_MSC_VER) && _MSC_VER <= 1800
async_msg(async_msg &&other)
: log_msg_buffer(std::move(other))
, msg_type(other.msg_type)
, worker_ptr(std::move(other.worker_ptr))
{}
async_msg &operator=(async_msg &&other)
{
*static_cast<log_msg_buffer *>(this) = std::move(other);
msg_type = other.msg_type;
worker_ptr = std::move(other.worker_ptr);
return *this;
}
#else // (_MSC_VER) && _MSC_VER <= 1800
async_msg(async_msg &&) = default;
async_msg &operator=(async_msg &&) = default;
#endif
// construct from log_msg with given type
async_msg(async_logger_ptr &&worker, async_msg_type the_type, const details::log_msg &m)
: log_msg_buffer{m}
, msg_type{the_type}
, worker_ptr{std::move(worker)}
{}
async_msg(async_logger_ptr &&worker, async_msg_type the_type)
: log_msg_buffer{}
, msg_type{the_type}
, worker_ptr{std::move(worker)}
{}
explicit async_msg(async_msg_type the_type)
: async_msg{nullptr, the_type}
{}
};
class thread_pool
{
public:
using item_type = async_msg;
using q_type = details::mpmc_blocking_queue<item_type>;
thread_pool(size_t q_max_items, size_t threads_n, std::function<void()> on_thread_start);
thread_pool(size_t q_max_items, size_t threads_n);
// message all threads to terminate gracefully join them
~thread_pool();
thread_pool(const thread_pool &) = delete;
thread_pool &operator=(thread_pool &&) = delete;
void post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy);
void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy);
size_t overrun_counter();
private:
q_type q_;
std::vector<std::thread> threads_;
void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy);
void worker_loop_();
// process next message in the queue
// return true if this thread should still be active (while no terminate msg
// was received)
bool process_next_msg_();
};
} // namespace details
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "thread_pool-inl.h"
#endif

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// Support for logging binary data as hex
// format flags:
// {:X} - print in uppercase.
// {:s} - don't separate each byte with space.
// {:p} - don't print the position on each line start.
// {:n} - don't split the output to lines.
//
// Examples:
//
// std::vector<char> v(200, 0x0b);
// logger->info("Some buffer {}", spdlog::to_hex(v));
// char buf[128];
// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf)));
namespace spdlog {
namespace details {
template<typename It>
class bytes_range
{
public:
bytes_range(It range_begin, It range_end)
: begin_(range_begin)
, end_(range_end)
{}
It begin() const
{
return begin_;
}
It end() const
{
return end_;
}
private:
It begin_, end_;
};
} // namespace details
// create a bytes_range that wraps the given container
template<typename Container>
inline details::bytes_range<typename Container::const_iterator> to_hex(const Container &container)
{
static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1");
using Iter = typename Container::const_iterator;
return details::bytes_range<Iter>(std::begin(container), std::end(container));
}
// create bytes_range from ranges
template<typename It>
inline details::bytes_range<It> to_hex(const It range_begin, const It range_end)
{
return details::bytes_range<It>(range_begin, range_end);
}
} // namespace spdlog
namespace fmt {
template<typename T>
struct formatter<spdlog::details::bytes_range<T>>
{
const std::size_t line_size = 100;
const char delimiter = ' ';
bool put_newlines = true;
bool put_delimiters = true;
bool use_uppercase = false;
bool put_positions = true; // position on start of each line
// parse the format string flags
template<typename ParseContext>
auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
auto it = ctx.begin();
while (*it && *it != '}')
{
switch (*it)
{
case 'X':
use_uppercase = true;
break;
case 's':
put_delimiters = false;
break;
case 'p':
put_positions = false;
break;
case 'n':
put_newlines = false;
break;
}
++it;
}
return it;
}
// format the given bytes range as hex
template<typename FormatContext, typename Container>
auto format(const spdlog::details::bytes_range<Container> &the_range, FormatContext &ctx) -> decltype(ctx.out())
{
SPDLOG_CONSTEXPR const char *hex_upper = "0123456789ABCDEF";
SPDLOG_CONSTEXPR const char *hex_lower = "0123456789abcdef";
const char *hex_chars = use_uppercase ? hex_upper : hex_lower;
std::size_t pos = 0;
std::size_t column = line_size;
#if FMT_VERSION < 60000
auto inserter = ctx.begin();
#else
auto inserter = ctx.out();
#endif
for (auto &item : the_range)
{
auto ch = static_cast<unsigned char>(item);
pos++;
if (put_newlines && column >= line_size)
{
column = put_newline(inserter, pos);
// put first byte without delimiter in front of it
*inserter++ = hex_chars[(ch >> 4) & 0x0f];
*inserter++ = hex_chars[ch & 0x0f];
column += 2;
continue;
}
if (put_delimiters)
{
*inserter++ = delimiter;
++column;
}
*inserter++ = hex_chars[(ch >> 4) & 0x0f];
*inserter++ = hex_chars[ch & 0x0f];
column += 2;
}
return inserter;
}
// put newline(and position header)
// return the next column
template<typename It>
std::size_t put_newline(It inserter, std::size_t pos)
{
#ifdef _WIN32
*inserter++ = '\r';
#endif
*inserter++ = '\n';
if (put_positions)
{
fmt::format_to(inserter, "{:<04X}: ", pos - 1);
return 7;
}
else
{
return 1;
}
}
};
} // namespace fmt

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Copyright (c) 2012 - present, Victor Zverovich
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- Optional exception to the license ---
As an exception, if, as a result of your compiling your source code, portions
of this Software are embedded into a machine-executable object form of such
source code, you may redistribute such embedded portions in such object form
without including the above copyright and permission notices.

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// Formatting library for C++ - chrono support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_CHRONO_H_
#define FMT_CHRONO_H_
#include "format.h"
#include "locale.h"
#include <chrono>
#include <ctime>
#include <locale>
#include <sstream>
// enable safe chrono durations, unless explicitly disabled
#ifndef FMT_SAFE_DURATION_CAST
# define FMT_SAFE_DURATION_CAST 1
#endif
#if FMT_SAFE_DURATION_CAST
# include "safe-duration-cast.h"
#endif
FMT_BEGIN_NAMESPACE
// Prevents expansion of a preceding token as a function-style macro.
// Usage: f FMT_NOMACRO()
#define FMT_NOMACRO
namespace internal {
inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); }
inline null<> localtime_s(...) { return null<>(); }
inline null<> gmtime_r(...) { return null<>(); }
inline null<> gmtime_s(...) { return null<>(); }
} // namespace internal
// Thread-safe replacement for std::localtime
inline std::tm localtime(std::time_t time) {
struct dispatcher {
std::time_t time_;
std::tm tm_;
dispatcher(std::time_t t) : time_(t) {}
bool run() {
using namespace fmt::internal;
return handle(localtime_r(&time_, &tm_));
}
bool handle(std::tm* tm) { return tm != nullptr; }
bool handle(internal::null<>) {
using namespace fmt::internal;
return fallback(localtime_s(&tm_, &time_));
}
bool fallback(int res) { return res == 0; }
#if !FMT_MSC_VER
bool fallback(internal::null<>) {
using namespace fmt::internal;
std::tm* tm = std::localtime(&time_);
if (tm) tm_ = *tm;
return tm != nullptr;
}
#endif
};
dispatcher lt(time);
// Too big time values may be unsupported.
if (!lt.run()) FMT_THROW(format_error("time_t value out of range"));
return lt.tm_;
}
// Thread-safe replacement for std::gmtime
inline std::tm gmtime(std::time_t time) {
struct dispatcher {
std::time_t time_;
std::tm tm_;
dispatcher(std::time_t t) : time_(t) {}
bool run() {
using namespace fmt::internal;
return handle(gmtime_r(&time_, &tm_));
}
bool handle(std::tm* tm) { return tm != nullptr; }
bool handle(internal::null<>) {
using namespace fmt::internal;
return fallback(gmtime_s(&tm_, &time_));
}
bool fallback(int res) { return res == 0; }
#if !FMT_MSC_VER
bool fallback(internal::null<>) {
std::tm* tm = std::gmtime(&time_);
if (tm) tm_ = *tm;
return tm != nullptr;
}
#endif
};
dispatcher gt(time);
// Too big time values may be unsupported.
if (!gt.run()) FMT_THROW(format_error("time_t value out of range"));
return gt.tm_;
}
namespace internal {
inline std::size_t strftime(char* str, std::size_t count, const char* format,
const std::tm* time) {
return std::strftime(str, count, format, time);
}
inline std::size_t strftime(wchar_t* str, std::size_t count,
const wchar_t* format, const std::tm* time) {
return std::wcsftime(str, count, format, time);
}
} // namespace internal
template <typename Char> struct formatter<std::tm, Char> {
template <typename ParseContext>
auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
auto it = ctx.begin();
if (it != ctx.end() && *it == ':') ++it;
auto end = it;
while (end != ctx.end() && *end != '}') ++end;
tm_format.reserve(internal::to_unsigned(end - it + 1));
tm_format.append(it, end);
tm_format.push_back('\0');
return end;
}
template <typename FormatContext>
auto format(const std::tm& tm, FormatContext& ctx) -> decltype(ctx.out()) {
basic_memory_buffer<Char> buf;
std::size_t start = buf.size();
for (;;) {
std::size_t size = buf.capacity() - start;
std::size_t count =
internal::strftime(&buf[start], size, &tm_format[0], &tm);
if (count != 0) {
buf.resize(start + count);
break;
}
if (size >= tm_format.size() * 256) {
// If the buffer is 256 times larger than the format string, assume
// that `strftime` gives an empty result. There doesn't seem to be a
// better way to distinguish the two cases:
// https://github.com/fmtlib/fmt/issues/367
break;
}
const std::size_t MIN_GROWTH = 10;
buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH));
}
return std::copy(buf.begin(), buf.end(), ctx.out());
}
basic_memory_buffer<Char> tm_format;
};
namespace internal {
template <typename Period> FMT_CONSTEXPR const char* get_units() {
return nullptr;
}
template <> FMT_CONSTEXPR const char* get_units<std::atto>() { return "as"; }
template <> FMT_CONSTEXPR const char* get_units<std::femto>() { return "fs"; }
template <> FMT_CONSTEXPR const char* get_units<std::pico>() { return "ps"; }
template <> FMT_CONSTEXPR const char* get_units<std::nano>() { return "ns"; }
template <> FMT_CONSTEXPR const char* get_units<std::micro>() { return "µs"; }
template <> FMT_CONSTEXPR const char* get_units<std::milli>() { return "ms"; }
template <> FMT_CONSTEXPR const char* get_units<std::centi>() { return "cs"; }
template <> FMT_CONSTEXPR const char* get_units<std::deci>() { return "ds"; }
template <> FMT_CONSTEXPR const char* get_units<std::ratio<1>>() { return "s"; }
template <> FMT_CONSTEXPR const char* get_units<std::deca>() { return "das"; }
template <> FMT_CONSTEXPR const char* get_units<std::hecto>() { return "hs"; }
template <> FMT_CONSTEXPR const char* get_units<std::kilo>() { return "ks"; }
template <> FMT_CONSTEXPR const char* get_units<std::mega>() { return "Ms"; }
template <> FMT_CONSTEXPR const char* get_units<std::giga>() { return "Gs"; }
template <> FMT_CONSTEXPR const char* get_units<std::tera>() { return "Ts"; }
template <> FMT_CONSTEXPR const char* get_units<std::peta>() { return "Ps"; }
template <> FMT_CONSTEXPR const char* get_units<std::exa>() { return "Es"; }
template <> FMT_CONSTEXPR const char* get_units<std::ratio<60>>() {
return "m";
}
template <> FMT_CONSTEXPR const char* get_units<std::ratio<3600>>() {
return "h";
}
enum class numeric_system {
standard,
// Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale.
alternative
};
// Parses a put_time-like format string and invokes handler actions.
template <typename Char, typename Handler>
FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
const Char* end,
Handler&& handler) {
auto ptr = begin;
while (ptr != end) {
auto c = *ptr;
if (c == '}') break;
if (c != '%') {
++ptr;
continue;
}
if (begin != ptr) handler.on_text(begin, ptr);
++ptr; // consume '%'
if (ptr == end) FMT_THROW(format_error("invalid format"));
c = *ptr++;
switch (c) {
case '%':
handler.on_text(ptr - 1, ptr);
break;
case 'n': {
const char newline[] = "\n";
handler.on_text(newline, newline + 1);
break;
}
case 't': {
const char tab[] = "\t";
handler.on_text(tab, tab + 1);
break;
}
// Day of the week:
case 'a':
handler.on_abbr_weekday();
break;
case 'A':
handler.on_full_weekday();
break;
case 'w':
handler.on_dec0_weekday(numeric_system::standard);
break;
case 'u':
handler.on_dec1_weekday(numeric_system::standard);
break;
// Month:
case 'b':
handler.on_abbr_month();
break;
case 'B':
handler.on_full_month();
break;
// Hour, minute, second:
case 'H':
handler.on_24_hour(numeric_system::standard);
break;
case 'I':
handler.on_12_hour(numeric_system::standard);
break;
case 'M':
handler.on_minute(numeric_system::standard);
break;
case 'S':
handler.on_second(numeric_system::standard);
break;
// Other:
case 'c':
handler.on_datetime(numeric_system::standard);
break;
case 'x':
handler.on_loc_date(numeric_system::standard);
break;
case 'X':
handler.on_loc_time(numeric_system::standard);
break;
case 'D':
handler.on_us_date();
break;
case 'F':
handler.on_iso_date();
break;
case 'r':
handler.on_12_hour_time();
break;
case 'R':
handler.on_24_hour_time();
break;
case 'T':
handler.on_iso_time();
break;
case 'p':
handler.on_am_pm();
break;
case 'Q':
handler.on_duration_value();
break;
case 'q':
handler.on_duration_unit();
break;
case 'z':
handler.on_utc_offset();
break;
case 'Z':
handler.on_tz_name();
break;
// Alternative representation:
case 'E': {
if (ptr == end) FMT_THROW(format_error("invalid format"));
c = *ptr++;
switch (c) {
case 'c':
handler.on_datetime(numeric_system::alternative);
break;
case 'x':
handler.on_loc_date(numeric_system::alternative);
break;
case 'X':
handler.on_loc_time(numeric_system::alternative);
break;
default:
FMT_THROW(format_error("invalid format"));
}
break;
}
case 'O':
if (ptr == end) FMT_THROW(format_error("invalid format"));
c = *ptr++;
switch (c) {
case 'w':
handler.on_dec0_weekday(numeric_system::alternative);
break;
case 'u':
handler.on_dec1_weekday(numeric_system::alternative);
break;
case 'H':
handler.on_24_hour(numeric_system::alternative);
break;
case 'I':
handler.on_12_hour(numeric_system::alternative);
break;
case 'M':
handler.on_minute(numeric_system::alternative);
break;
case 'S':
handler.on_second(numeric_system::alternative);
break;
default:
FMT_THROW(format_error("invalid format"));
}
break;
default:
FMT_THROW(format_error("invalid format"));
}
begin = ptr;
}
if (begin != ptr) handler.on_text(begin, ptr);
return ptr;
}
struct chrono_format_checker {
FMT_NORETURN void report_no_date() { FMT_THROW(format_error("no date")); }
template <typename Char> void on_text(const Char*, const Char*) {}
FMT_NORETURN void on_abbr_weekday() { report_no_date(); }
FMT_NORETURN void on_full_weekday() { report_no_date(); }
FMT_NORETURN void on_dec0_weekday(numeric_system) { report_no_date(); }
FMT_NORETURN void on_dec1_weekday(numeric_system) { report_no_date(); }
FMT_NORETURN void on_abbr_month() { report_no_date(); }
FMT_NORETURN void on_full_month() { report_no_date(); }
void on_24_hour(numeric_system) {}
void on_12_hour(numeric_system) {}
void on_minute(numeric_system) {}
void on_second(numeric_system) {}
FMT_NORETURN void on_datetime(numeric_system) { report_no_date(); }
FMT_NORETURN void on_loc_date(numeric_system) { report_no_date(); }
FMT_NORETURN void on_loc_time(numeric_system) { report_no_date(); }
FMT_NORETURN void on_us_date() { report_no_date(); }
FMT_NORETURN void on_iso_date() { report_no_date(); }
void on_12_hour_time() {}
void on_24_hour_time() {}
void on_iso_time() {}
void on_am_pm() {}
void on_duration_value() {}
void on_duration_unit() {}
FMT_NORETURN void on_utc_offset() { report_no_date(); }
FMT_NORETURN void on_tz_name() { report_no_date(); }
};
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
inline bool isnan(T) {
return false;
}
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
inline bool isnan(T value) {
return std::isnan(value);
}
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
inline bool isfinite(T) {
return true;
}
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
inline bool isfinite(T value) {
return std::isfinite(value);
}
// Convers value to int and checks that it's in the range [0, upper).
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
inline int to_nonnegative_int(T value, int upper) {
FMT_ASSERT(value >= 0 && value <= upper, "invalid value");
(void)upper;
return static_cast<int>(value);
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
inline int to_nonnegative_int(T value, int upper) {
FMT_ASSERT(
std::isnan(value) || (value >= 0 && value <= static_cast<T>(upper)),
"invalid value");
(void)upper;
return static_cast<int>(value);
}
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
inline T mod(T x, int y) {
return x % y;
}
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
inline T mod(T x, int y) {
return std::fmod(x, static_cast<T>(y));
}
// If T is an integral type, maps T to its unsigned counterpart, otherwise
// leaves it unchanged (unlike std::make_unsigned).
template <typename T, bool INTEGRAL = std::is_integral<T>::value>
struct make_unsigned_or_unchanged {
using type = T;
};
template <typename T> struct make_unsigned_or_unchanged<T, true> {
using type = typename std::make_unsigned<T>::type;
};
#if FMT_SAFE_DURATION_CAST
// throwing version of safe_duration_cast
template <typename To, typename FromRep, typename FromPeriod>
To fmt_safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from) {
int ec;
To to = safe_duration_cast::safe_duration_cast<To>(from, ec);
if (ec) FMT_THROW(format_error("cannot format duration"));
return to;
}
#endif
template <typename Rep, typename Period,
FMT_ENABLE_IF(std::is_integral<Rep>::value)>
inline std::chrono::duration<Rep, std::milli> get_milliseconds(
std::chrono::duration<Rep, Period> d) {
// this may overflow and/or the result may not fit in the
// target type.
#if FMT_SAFE_DURATION_CAST
using CommonSecondsType =
typename std::common_type<decltype(d), std::chrono::seconds>::type;
const auto d_as_common = fmt_safe_duration_cast<CommonSecondsType>(d);
const auto d_as_whole_seconds =
fmt_safe_duration_cast<std::chrono::seconds>(d_as_common);
// this conversion should be nonproblematic
const auto diff = d_as_common - d_as_whole_seconds;
const auto ms =
fmt_safe_duration_cast<std::chrono::duration<Rep, std::milli>>(diff);
return ms;
#else
auto s = std::chrono::duration_cast<std::chrono::seconds>(d);
return std::chrono::duration_cast<std::chrono::milliseconds>(d - s);
#endif
}
template <typename Rep, typename Period,
FMT_ENABLE_IF(std::is_floating_point<Rep>::value)>
inline std::chrono::duration<Rep, std::milli> get_milliseconds(
std::chrono::duration<Rep, Period> d) {
using common_type = typename std::common_type<Rep, std::intmax_t>::type;
auto ms = mod(d.count() * static_cast<common_type>(Period::num) /
static_cast<common_type>(Period::den) * 1000,
1000);
return std::chrono::duration<Rep, std::milli>(static_cast<Rep>(ms));
}
template <typename Rep, typename OutputIt>
OutputIt format_chrono_duration_value(OutputIt out, Rep val, int precision) {
if (precision >= 0) return format_to(out, "{:.{}f}", val, precision);
return format_to(out, std::is_floating_point<Rep>::value ? "{:g}" : "{}",
val);
}
template <typename Period, typename OutputIt>
static OutputIt format_chrono_duration_unit(OutputIt out) {
if (const char* unit = get_units<Period>()) return format_to(out, "{}", unit);
if (Period::den == 1) return format_to(out, "[{}]s", Period::num);
return format_to(out, "[{}/{}]s", Period::num, Period::den);
}
template <typename FormatContext, typename OutputIt, typename Rep,
typename Period>
struct chrono_formatter {
FormatContext& context;
OutputIt out;
int precision;
// rep is unsigned to avoid overflow.
using rep =
conditional_t<std::is_integral<Rep>::value && sizeof(Rep) < sizeof(int),
unsigned, typename make_unsigned_or_unchanged<Rep>::type>;
rep val;
using seconds = std::chrono::duration<rep>;
seconds s;
using milliseconds = std::chrono::duration<rep, std::milli>;
bool negative;
using char_type = typename FormatContext::char_type;
explicit chrono_formatter(FormatContext& ctx, OutputIt o,
std::chrono::duration<Rep, Period> d)
: context(ctx), out(o), val(d.count()), negative(false) {
if (d.count() < 0) {
val = 0 - val;
negative = true;
}
// this may overflow and/or the result may not fit in the
// target type.
#if FMT_SAFE_DURATION_CAST
// might need checked conversion (rep!=Rep)
auto tmpval = std::chrono::duration<rep, Period>(val);
s = fmt_safe_duration_cast<seconds>(tmpval);
#else
s = std::chrono::duration_cast<seconds>(
std::chrono::duration<rep, Period>(val));
#endif
}
// returns true if nan or inf, writes to out.
bool handle_nan_inf() {
if (isfinite(val)) {
return false;
}
if (isnan(val)) {
write_nan();
return true;
}
// must be +-inf
if (val > 0) {
write_pinf();
} else {
write_ninf();
}
return true;
}
Rep hour() const { return static_cast<Rep>(mod((s.count() / 3600), 24)); }
Rep hour12() const {
Rep hour = static_cast<Rep>(mod((s.count() / 3600), 12));
return hour <= 0 ? 12 : hour;
}
Rep minute() const { return static_cast<Rep>(mod((s.count() / 60), 60)); }
Rep second() const { return static_cast<Rep>(mod(s.count(), 60)); }
std::tm time() const {
auto time = std::tm();
time.tm_hour = to_nonnegative_int(hour(), 24);
time.tm_min = to_nonnegative_int(minute(), 60);
time.tm_sec = to_nonnegative_int(second(), 60);
return time;
}
void write_sign() {
if (negative) {
*out++ = '-';
negative = false;
}
}
void write(Rep value, int width) {
write_sign();
if (isnan(value)) return write_nan();
uint32_or_64_t<int> n = to_unsigned(
to_nonnegative_int(value, (std::numeric_limits<int>::max)()));
int num_digits = internal::count_digits(n);
if (width > num_digits) out = std::fill_n(out, width - num_digits, '0');
out = format_decimal<char_type>(out, n, num_digits);
}
void write_nan() { std::copy_n("nan", 3, out); }
void write_pinf() { std::copy_n("inf", 3, out); }
void write_ninf() { std::copy_n("-inf", 4, out); }
void format_localized(const tm& time, const char* format) {
if (isnan(val)) return write_nan();
auto locale = context.locale().template get<std::locale>();
auto& facet = std::use_facet<std::time_put<char_type>>(locale);
std::basic_ostringstream<char_type> os;
os.imbue(locale);
facet.put(os, os, ' ', &time, format, format + std::strlen(format));
auto str = os.str();
std::copy(str.begin(), str.end(), out);
}
void on_text(const char_type* begin, const char_type* end) {
std::copy(begin, end, out);
}
// These are not implemented because durations don't have date information.
void on_abbr_weekday() {}
void on_full_weekday() {}
void on_dec0_weekday(numeric_system) {}
void on_dec1_weekday(numeric_system) {}
void on_abbr_month() {}
void on_full_month() {}
void on_datetime(numeric_system) {}
void on_loc_date(numeric_system) {}
void on_loc_time(numeric_system) {}
void on_us_date() {}
void on_iso_date() {}
void on_utc_offset() {}
void on_tz_name() {}
void on_24_hour(numeric_system ns) {
if (handle_nan_inf()) return;
if (ns == numeric_system::standard) return write(hour(), 2);
auto time = tm();
time.tm_hour = to_nonnegative_int(hour(), 24);
format_localized(time, "%OH");
}
void on_12_hour(numeric_system ns) {
if (handle_nan_inf()) return;
if (ns == numeric_system::standard) return write(hour12(), 2);
auto time = tm();
time.tm_hour = to_nonnegative_int(hour12(), 12);
format_localized(time, "%OI");
}
void on_minute(numeric_system ns) {
if (handle_nan_inf()) return;
if (ns == numeric_system::standard) return write(minute(), 2);
auto time = tm();
time.tm_min = to_nonnegative_int(minute(), 60);
format_localized(time, "%OM");
}
void on_second(numeric_system ns) {
if (handle_nan_inf()) return;
if (ns == numeric_system::standard) {
write(second(), 2);
#if FMT_SAFE_DURATION_CAST
// convert rep->Rep
using duration_rep = std::chrono::duration<rep, Period>;
using duration_Rep = std::chrono::duration<Rep, Period>;
auto tmpval = fmt_safe_duration_cast<duration_Rep>(duration_rep{val});
#else
auto tmpval = std::chrono::duration<Rep, Period>(val);
#endif
auto ms = get_milliseconds(tmpval);
if (ms != std::chrono::milliseconds(0)) {
*out++ = '.';
write(ms.count(), 3);
}
return;
}
auto time = tm();
time.tm_sec = to_nonnegative_int(second(), 60);
format_localized(time, "%OS");
}
void on_12_hour_time() {
if (handle_nan_inf()) return;
format_localized(time(), "%r");
}
void on_24_hour_time() {
if (handle_nan_inf()) {
*out++ = ':';
handle_nan_inf();
return;
}
write(hour(), 2);
*out++ = ':';
write(minute(), 2);
}
void on_iso_time() {
on_24_hour_time();
*out++ = ':';
if (handle_nan_inf()) return;
write(second(), 2);
}
void on_am_pm() {
if (handle_nan_inf()) return;
format_localized(time(), "%p");
}
void on_duration_value() {
if (handle_nan_inf()) return;
write_sign();
out = format_chrono_duration_value(out, val, precision);
}
void on_duration_unit() { out = format_chrono_duration_unit<Period>(out); }
};
} // namespace internal
template <typename Rep, typename Period, typename Char>
struct formatter<std::chrono::duration<Rep, Period>, Char> {
private:
basic_format_specs<Char> specs;
int precision;
using arg_ref_type = internal::arg_ref<Char>;
arg_ref_type width_ref;
arg_ref_type precision_ref;
mutable basic_string_view<Char> format_str;
using duration = std::chrono::duration<Rep, Period>;
struct spec_handler {
formatter& f;
basic_parse_context<Char>& context;
basic_string_view<Char> format_str;
template <typename Id> FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) {
context.check_arg_id(arg_id);
return arg_ref_type(arg_id);
}
FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view<Char> arg_id) {
context.check_arg_id(arg_id);
const auto str_val = internal::string_view_metadata(format_str, arg_id);
return arg_ref_type(str_val);
}
FMT_CONSTEXPR arg_ref_type make_arg_ref(internal::auto_id) {
return arg_ref_type(context.next_arg_id());
}
void on_error(const char* msg) { FMT_THROW(format_error(msg)); }
void on_fill(Char fill) { f.specs.fill[0] = fill; }
void on_align(align_t align) { f.specs.align = align; }
void on_width(unsigned width) { f.specs.width = width; }
void on_precision(unsigned precision) { f.precision = precision; }
void end_precision() {}
template <typename Id> void on_dynamic_width(Id arg_id) {
f.width_ref = make_arg_ref(arg_id);
}
template <typename Id> void on_dynamic_precision(Id arg_id) {
f.precision_ref = make_arg_ref(arg_id);
}
};
using iterator = typename basic_parse_context<Char>::iterator;
struct parse_range {
iterator begin;
iterator end;
};
FMT_CONSTEXPR parse_range do_parse(basic_parse_context<Char>& ctx) {
auto begin = ctx.begin(), end = ctx.end();
if (begin == end || *begin == '}') return {begin, begin};
spec_handler handler{*this, ctx, format_str};
begin = internal::parse_align(begin, end, handler);
if (begin == end) return {begin, begin};
begin = internal::parse_width(begin, end, handler);
if (begin == end) return {begin, begin};
if (*begin == '.') {
if (std::is_floating_point<Rep>::value)
begin = internal::parse_precision(begin, end, handler);
else
handler.on_error("precision not allowed for this argument type");
}
end = parse_chrono_format(begin, end, internal::chrono_format_checker());
return {begin, end};
}
public:
formatter() : precision(-1) {}
FMT_CONSTEXPR auto parse(basic_parse_context<Char>& ctx)
-> decltype(ctx.begin()) {
auto range = do_parse(ctx);
format_str = basic_string_view<Char>(
&*range.begin, internal::to_unsigned(range.end - range.begin));
return range.end;
}
template <typename FormatContext>
auto format(const duration& d, FormatContext& ctx) -> decltype(ctx.out()) {
auto begin = format_str.begin(), end = format_str.end();
// As a possible future optimization, we could avoid extra copying if width
// is not specified.
basic_memory_buffer<Char> buf;
auto out = std::back_inserter(buf);
using range = internal::output_range<decltype(ctx.out()), Char>;
internal::basic_writer<range> w(range(ctx.out()));
internal::handle_dynamic_spec<internal::width_checker>(
specs.width, width_ref, ctx, format_str.begin());
internal::handle_dynamic_spec<internal::precision_checker>(
precision, precision_ref, ctx, format_str.begin());
if (begin == end || *begin == '}') {
out = internal::format_chrono_duration_value(out, d.count(), precision);
internal::format_chrono_duration_unit<Period>(out);
} else {
internal::chrono_formatter<FormatContext, decltype(out), Rep, Period> f(
ctx, out, d);
f.precision = precision;
parse_chrono_format(begin, end, f);
}
w.write(buf.data(), buf.size(), specs);
return w.out();
}
};
FMT_END_NAMESPACE
#endif // FMT_CHRONO_H_

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@ -1,585 +0,0 @@
// Formatting library for C++ - color support
//
// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_COLOR_H_
#define FMT_COLOR_H_
#include "format.h"
FMT_BEGIN_NAMESPACE
enum class color : uint32_t {
alice_blue = 0xF0F8FF, // rgb(240,248,255)
antique_white = 0xFAEBD7, // rgb(250,235,215)
aqua = 0x00FFFF, // rgb(0,255,255)
aquamarine = 0x7FFFD4, // rgb(127,255,212)
azure = 0xF0FFFF, // rgb(240,255,255)
beige = 0xF5F5DC, // rgb(245,245,220)
bisque = 0xFFE4C4, // rgb(255,228,196)
black = 0x000000, // rgb(0,0,0)
blanched_almond = 0xFFEBCD, // rgb(255,235,205)
blue = 0x0000FF, // rgb(0,0,255)
blue_violet = 0x8A2BE2, // rgb(138,43,226)
brown = 0xA52A2A, // rgb(165,42,42)
burly_wood = 0xDEB887, // rgb(222,184,135)
cadet_blue = 0x5F9EA0, // rgb(95,158,160)
chartreuse = 0x7FFF00, // rgb(127,255,0)
chocolate = 0xD2691E, // rgb(210,105,30)
coral = 0xFF7F50, // rgb(255,127,80)
cornflower_blue = 0x6495ED, // rgb(100,149,237)
cornsilk = 0xFFF8DC, // rgb(255,248,220)
crimson = 0xDC143C, // rgb(220,20,60)
cyan = 0x00FFFF, // rgb(0,255,255)
dark_blue = 0x00008B, // rgb(0,0,139)
dark_cyan = 0x008B8B, // rgb(0,139,139)
dark_golden_rod = 0xB8860B, // rgb(184,134,11)
dark_gray = 0xA9A9A9, // rgb(169,169,169)
dark_green = 0x006400, // rgb(0,100,0)
dark_khaki = 0xBDB76B, // rgb(189,183,107)
dark_magenta = 0x8B008B, // rgb(139,0,139)
dark_olive_green = 0x556B2F, // rgb(85,107,47)
dark_orange = 0xFF8C00, // rgb(255,140,0)
dark_orchid = 0x9932CC, // rgb(153,50,204)
dark_red = 0x8B0000, // rgb(139,0,0)
dark_salmon = 0xE9967A, // rgb(233,150,122)
dark_sea_green = 0x8FBC8F, // rgb(143,188,143)
dark_slate_blue = 0x483D8B, // rgb(72,61,139)
dark_slate_gray = 0x2F4F4F, // rgb(47,79,79)
dark_turquoise = 0x00CED1, // rgb(0,206,209)
dark_violet = 0x9400D3, // rgb(148,0,211)
deep_pink = 0xFF1493, // rgb(255,20,147)
deep_sky_blue = 0x00BFFF, // rgb(0,191,255)
dim_gray = 0x696969, // rgb(105,105,105)
dodger_blue = 0x1E90FF, // rgb(30,144,255)
fire_brick = 0xB22222, // rgb(178,34,34)
floral_white = 0xFFFAF0, // rgb(255,250,240)
forest_green = 0x228B22, // rgb(34,139,34)
fuchsia = 0xFF00FF, // rgb(255,0,255)
gainsboro = 0xDCDCDC, // rgb(220,220,220)
ghost_white = 0xF8F8FF, // rgb(248,248,255)
gold = 0xFFD700, // rgb(255,215,0)
golden_rod = 0xDAA520, // rgb(218,165,32)
gray = 0x808080, // rgb(128,128,128)
green = 0x008000, // rgb(0,128,0)
green_yellow = 0xADFF2F, // rgb(173,255,47)
honey_dew = 0xF0FFF0, // rgb(240,255,240)
hot_pink = 0xFF69B4, // rgb(255,105,180)
indian_red = 0xCD5C5C, // rgb(205,92,92)
indigo = 0x4B0082, // rgb(75,0,130)
ivory = 0xFFFFF0, // rgb(255,255,240)
khaki = 0xF0E68C, // rgb(240,230,140)
lavender = 0xE6E6FA, // rgb(230,230,250)
lavender_blush = 0xFFF0F5, // rgb(255,240,245)
lawn_green = 0x7CFC00, // rgb(124,252,0)
lemon_chiffon = 0xFFFACD, // rgb(255,250,205)
light_blue = 0xADD8E6, // rgb(173,216,230)
light_coral = 0xF08080, // rgb(240,128,128)
light_cyan = 0xE0FFFF, // rgb(224,255,255)
light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210)
light_gray = 0xD3D3D3, // rgb(211,211,211)
light_green = 0x90EE90, // rgb(144,238,144)
light_pink = 0xFFB6C1, // rgb(255,182,193)
light_salmon = 0xFFA07A, // rgb(255,160,122)
light_sea_green = 0x20B2AA, // rgb(32,178,170)
light_sky_blue = 0x87CEFA, // rgb(135,206,250)
light_slate_gray = 0x778899, // rgb(119,136,153)
light_steel_blue = 0xB0C4DE, // rgb(176,196,222)
light_yellow = 0xFFFFE0, // rgb(255,255,224)
lime = 0x00FF00, // rgb(0,255,0)
lime_green = 0x32CD32, // rgb(50,205,50)
linen = 0xFAF0E6, // rgb(250,240,230)
magenta = 0xFF00FF, // rgb(255,0,255)
maroon = 0x800000, // rgb(128,0,0)
medium_aquamarine = 0x66CDAA, // rgb(102,205,170)
medium_blue = 0x0000CD, // rgb(0,0,205)
medium_orchid = 0xBA55D3, // rgb(186,85,211)
medium_purple = 0x9370DB, // rgb(147,112,219)
medium_sea_green = 0x3CB371, // rgb(60,179,113)
medium_slate_blue = 0x7B68EE, // rgb(123,104,238)
medium_spring_green = 0x00FA9A, // rgb(0,250,154)
medium_turquoise = 0x48D1CC, // rgb(72,209,204)
medium_violet_red = 0xC71585, // rgb(199,21,133)
midnight_blue = 0x191970, // rgb(25,25,112)
mint_cream = 0xF5FFFA, // rgb(245,255,250)
misty_rose = 0xFFE4E1, // rgb(255,228,225)
moccasin = 0xFFE4B5, // rgb(255,228,181)
navajo_white = 0xFFDEAD, // rgb(255,222,173)
navy = 0x000080, // rgb(0,0,128)
old_lace = 0xFDF5E6, // rgb(253,245,230)
olive = 0x808000, // rgb(128,128,0)
olive_drab = 0x6B8E23, // rgb(107,142,35)
orange = 0xFFA500, // rgb(255,165,0)
orange_red = 0xFF4500, // rgb(255,69,0)
orchid = 0xDA70D6, // rgb(218,112,214)
pale_golden_rod = 0xEEE8AA, // rgb(238,232,170)
pale_green = 0x98FB98, // rgb(152,251,152)
pale_turquoise = 0xAFEEEE, // rgb(175,238,238)
pale_violet_red = 0xDB7093, // rgb(219,112,147)
papaya_whip = 0xFFEFD5, // rgb(255,239,213)
peach_puff = 0xFFDAB9, // rgb(255,218,185)
peru = 0xCD853F, // rgb(205,133,63)
pink = 0xFFC0CB, // rgb(255,192,203)
plum = 0xDDA0DD, // rgb(221,160,221)
powder_blue = 0xB0E0E6, // rgb(176,224,230)
purple = 0x800080, // rgb(128,0,128)
rebecca_purple = 0x663399, // rgb(102,51,153)
red = 0xFF0000, // rgb(255,0,0)
rosy_brown = 0xBC8F8F, // rgb(188,143,143)
royal_blue = 0x4169E1, // rgb(65,105,225)
saddle_brown = 0x8B4513, // rgb(139,69,19)
salmon = 0xFA8072, // rgb(250,128,114)
sandy_brown = 0xF4A460, // rgb(244,164,96)
sea_green = 0x2E8B57, // rgb(46,139,87)
sea_shell = 0xFFF5EE, // rgb(255,245,238)
sienna = 0xA0522D, // rgb(160,82,45)
silver = 0xC0C0C0, // rgb(192,192,192)
sky_blue = 0x87CEEB, // rgb(135,206,235)
slate_blue = 0x6A5ACD, // rgb(106,90,205)
slate_gray = 0x708090, // rgb(112,128,144)
snow = 0xFFFAFA, // rgb(255,250,250)
spring_green = 0x00FF7F, // rgb(0,255,127)
steel_blue = 0x4682B4, // rgb(70,130,180)
tan = 0xD2B48C, // rgb(210,180,140)
teal = 0x008080, // rgb(0,128,128)
thistle = 0xD8BFD8, // rgb(216,191,216)
tomato = 0xFF6347, // rgb(255,99,71)
turquoise = 0x40E0D0, // rgb(64,224,208)
violet = 0xEE82EE, // rgb(238,130,238)
wheat = 0xF5DEB3, // rgb(245,222,179)
white = 0xFFFFFF, // rgb(255,255,255)
white_smoke = 0xF5F5F5, // rgb(245,245,245)
yellow = 0xFFFF00, // rgb(255,255,0)
yellow_green = 0x9ACD32 // rgb(154,205,50)
}; // enum class color
enum class terminal_color : uint8_t {
black = 30,
red,
green,
yellow,
blue,
magenta,
cyan,
white,
bright_black = 90,
bright_red,
bright_green,
bright_yellow,
bright_blue,
bright_magenta,
bright_cyan,
bright_white
};
enum class emphasis : uint8_t {
bold = 1,
italic = 1 << 1,
underline = 1 << 2,
strikethrough = 1 << 3
};
// rgb is a struct for red, green and blue colors.
// Using the name "rgb" makes some editors show the color in a tooltip.
struct rgb {
FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {}
FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {}
FMT_CONSTEXPR rgb(uint32_t hex)
: r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {}
FMT_CONSTEXPR rgb(color hex)
: r((uint32_t(hex) >> 16) & 0xFF),
g((uint32_t(hex) >> 8) & 0xFF),
b(uint32_t(hex) & 0xFF) {}
uint8_t r;
uint8_t g;
uint8_t b;
};
namespace internal {
// color is a struct of either a rgb color or a terminal color.
struct color_type {
FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {}
FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true),
value{} {
value.rgb_color = static_cast<uint32_t>(rgb_color);
}
FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} {
value.rgb_color = (static_cast<uint32_t>(rgb_color.r) << 16) |
(static_cast<uint32_t>(rgb_color.g) << 8) | rgb_color.b;
}
FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(),
value{} {
value.term_color = static_cast<uint8_t>(term_color);
}
bool is_rgb;
union color_union {
uint8_t term_color;
uint32_t rgb_color;
} value;
};
} // namespace internal
// Experimental text formatting support.
class text_style {
public:
FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT
: set_foreground_color(),
set_background_color(),
ems(em) {}
FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
} else if (rhs.set_foreground_color) {
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
FMT_THROW(format_error("can't OR a terminal color"));
foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color;
}
if (!set_background_color) {
set_background_color = rhs.set_background_color;
background_color = rhs.background_color;
} else if (rhs.set_background_color) {
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
FMT_THROW(format_error("can't OR a terminal color"));
background_color.value.rgb_color |= rhs.background_color.value.rgb_color;
}
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) |
static_cast<uint8_t>(rhs.ems));
return *this;
}
friend FMT_CONSTEXPR text_style operator|(text_style lhs,
const text_style& rhs) {
return lhs |= rhs;
}
FMT_CONSTEXPR text_style& operator&=(const text_style& rhs) {
if (!set_foreground_color) {
set_foreground_color = rhs.set_foreground_color;
foreground_color = rhs.foreground_color;
} else if (rhs.set_foreground_color) {
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
FMT_THROW(format_error("can't AND a terminal color"));
foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color;
}
if (!set_background_color) {
set_background_color = rhs.set_background_color;
background_color = rhs.background_color;
} else if (rhs.set_background_color) {
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
FMT_THROW(format_error("can't AND a terminal color"));
background_color.value.rgb_color &= rhs.background_color.value.rgb_color;
}
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) &
static_cast<uint8_t>(rhs.ems));
return *this;
}
friend FMT_CONSTEXPR text_style operator&(text_style lhs,
const text_style& rhs) {
return lhs &= rhs;
}
FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT {
return set_foreground_color;
}
FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT {
return set_background_color;
}
FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT {
return static_cast<uint8_t>(ems) != 0;
}
FMT_CONSTEXPR internal::color_type get_foreground() const FMT_NOEXCEPT {
assert(has_foreground() && "no foreground specified for this style");
return foreground_color;
}
FMT_CONSTEXPR internal::color_type get_background() const FMT_NOEXCEPT {
assert(has_background() && "no background specified for this style");
return background_color;
}
FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT {
assert(has_emphasis() && "no emphasis specified for this style");
return ems;
}
private:
FMT_CONSTEXPR text_style(bool is_foreground,
internal::color_type text_color) FMT_NOEXCEPT
: set_foreground_color(),
set_background_color(),
ems() {
if (is_foreground) {
foreground_color = text_color;
set_foreground_color = true;
} else {
background_color = text_color;
set_background_color = true;
}
}
friend FMT_CONSTEXPR_DECL text_style fg(internal::color_type foreground)
FMT_NOEXCEPT;
friend FMT_CONSTEXPR_DECL text_style bg(internal::color_type background)
FMT_NOEXCEPT;
internal::color_type foreground_color;
internal::color_type background_color;
bool set_foreground_color;
bool set_background_color;
emphasis ems;
};
FMT_CONSTEXPR text_style fg(internal::color_type foreground) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/true, foreground);
}
FMT_CONSTEXPR text_style bg(internal::color_type background) FMT_NOEXCEPT {
return text_style(/*is_foreground=*/false, background);
}
FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT {
return text_style(lhs) | rhs;
}
namespace internal {
template <typename Char> struct ansi_color_escape {
FMT_CONSTEXPR ansi_color_escape(internal::color_type text_color,
const char* esc) FMT_NOEXCEPT {
// If we have a terminal color, we need to output another escape code
// sequence.
if (!text_color.is_rgb) {
bool is_background = esc == internal::data::background_color;
uint32_t value = text_color.value.term_color;
// Background ASCII codes are the same as the foreground ones but with
// 10 more.
if (is_background) value += 10u;
std::size_t index = 0;
buffer[index++] = static_cast<Char>('\x1b');
buffer[index++] = static_cast<Char>('[');
if (value >= 100u) {
buffer[index++] = static_cast<Char>('1');
value %= 100u;
}
buffer[index++] = static_cast<Char>('0' + value / 10u);
buffer[index++] = static_cast<Char>('0' + value % 10u);
buffer[index++] = static_cast<Char>('m');
buffer[index++] = static_cast<Char>('\0');
return;
}
for (int i = 0; i < 7; i++) {
buffer[i] = static_cast<Char>(esc[i]);
}
rgb color(text_color.value.rgb_color);
to_esc(color.r, buffer + 7, ';');
to_esc(color.g, buffer + 11, ';');
to_esc(color.b, buffer + 15, 'm');
buffer[19] = static_cast<Char>(0);
}
FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT {
uint8_t em_codes[4] = {};
uint8_t em_bits = static_cast<uint8_t>(em);
if (em_bits & static_cast<uint8_t>(emphasis::bold)) em_codes[0] = 1;
if (em_bits & static_cast<uint8_t>(emphasis::italic)) em_codes[1] = 3;
if (em_bits & static_cast<uint8_t>(emphasis::underline)) em_codes[2] = 4;
if (em_bits & static_cast<uint8_t>(emphasis::strikethrough))
em_codes[3] = 9;
std::size_t index = 0;
for (int i = 0; i < 4; ++i) {
if (!em_codes[i]) continue;
buffer[index++] = static_cast<Char>('\x1b');
buffer[index++] = static_cast<Char>('[');
buffer[index++] = static_cast<Char>('0' + em_codes[i]);
buffer[index++] = static_cast<Char>('m');
}
buffer[index++] = static_cast<Char>(0);
}
FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; }
FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; }
FMT_CONSTEXPR const Char* end() const FMT_NOEXCEPT {
return buffer + std::strlen(buffer);
}
private:
Char buffer[7u + 3u * 4u + 1u];
static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out,
char delimiter) FMT_NOEXCEPT {
out[0] = static_cast<Char>('0' + c / 100);
out[1] = static_cast<Char>('0' + c / 10 % 10);
out[2] = static_cast<Char>('0' + c % 10);
out[3] = static_cast<Char>(delimiter);
}
};
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char> make_foreground_color(
internal::color_type foreground) FMT_NOEXCEPT {
return ansi_color_escape<Char>(foreground, internal::data::foreground_color);
}
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char> make_background_color(
internal::color_type background) FMT_NOEXCEPT {
return ansi_color_escape<Char>(background, internal::data::background_color);
}
template <typename Char>
FMT_CONSTEXPR ansi_color_escape<Char> make_emphasis(emphasis em) FMT_NOEXCEPT {
return ansi_color_escape<Char>(em);
}
template <typename Char>
inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT {
std::fputs(chars, stream);
}
template <>
inline void fputs<wchar_t>(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT {
std::fputws(chars, stream);
}
template <typename Char> inline void reset_color(FILE* stream) FMT_NOEXCEPT {
fputs(internal::data::reset_color, stream);
}
template <> inline void reset_color<wchar_t>(FILE* stream) FMT_NOEXCEPT {
fputs(internal::data::wreset_color, stream);
}
template <typename Char>
inline void reset_color(basic_memory_buffer<Char>& buffer) FMT_NOEXCEPT {
const char* begin = data::reset_color;
const char* end = begin + sizeof(data::reset_color) - 1;
buffer.append(begin, end);
}
template <typename Char>
std::basic_string<Char> vformat(const text_style& ts,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char> > args) {
basic_memory_buffer<Char> buffer;
bool has_style = false;
if (ts.has_emphasis()) {
has_style = true;
ansi_color_escape<Char> escape = make_emphasis<Char>(ts.get_emphasis());
buffer.append(escape.begin(), escape.end());
}
if (ts.has_foreground()) {
has_style = true;
ansi_color_escape<Char> escape =
make_foreground_color<Char>(ts.get_foreground());
buffer.append(escape.begin(), escape.end());
}
if (ts.has_background()) {
has_style = true;
ansi_color_escape<Char> escape =
make_background_color<Char>(ts.get_background());
buffer.append(escape.begin(), escape.end());
}
internal::vformat_to(buffer, format_str, args);
if (has_style) {
reset_color<Char>(buffer);
}
return fmt::to_string(buffer);
}
} // namespace internal
template <typename S, typename Char = char_t<S> >
void vprint(std::FILE* f, const text_style& ts, const S& format,
basic_format_args<buffer_context<Char> > args) {
bool has_style = false;
if (ts.has_emphasis()) {
has_style = true;
internal::fputs<Char>(internal::make_emphasis<Char>(ts.get_emphasis()), f);
}
if (ts.has_foreground()) {
has_style = true;
internal::fputs<Char>(
internal::make_foreground_color<Char>(ts.get_foreground()), f);
}
if (ts.has_background()) {
has_style = true;
internal::fputs<Char>(
internal::make_background_color<Char>(ts.get_background()), f);
}
vprint(f, format, args);
if (has_style) {
internal::reset_color<Char>(f);
}
}
/**
Formats a string and prints it to the specified file stream using ANSI
escape sequences to specify text formatting.
Example:
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
"Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(internal::is_string<S>::value)>
void print(std::FILE* f, const text_style& ts, const S& format_str,
const Args&... args) {
internal::check_format_string<Args...>(format_str);
using context = buffer_context<char_t<S> >;
format_arg_store<context, Args...> as{args...};
vprint(f, ts, format_str, basic_format_args<context>(as));
}
/**
Formats a string and prints it to stdout using ANSI escape sequences to
specify text formatting.
Example:
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
"Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(internal::is_string<S>::value)>
void print(const text_style& ts, const S& format_str, const Args&... args) {
return print(stdout, ts, format_str, args...);
}
template <typename S, typename Char = char_t<S> >
inline std::basic_string<Char> vformat(
const text_style& ts, const S& format_str,
basic_format_args<buffer_context<Char> > args) {
return internal::vformat(ts, to_string_view(format_str), args);
}
/**
\rst
Formats arguments and returns the result as a string using ANSI
escape sequences to specify text formatting.
**Example**::
#include <fmt/color.h>
std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red),
"The answer is {}", 42);
\endrst
*/
template <typename S, typename... Args, typename Char = char_t<S> >
inline std::basic_string<Char> format(const text_style& ts, const S& format_str,
const Args&... args) {
return internal::vformat(ts, to_string_view(format_str),
{internal::make_args_checked(format_str, args...)});
}
FMT_END_NAMESPACE
#endif // FMT_COLOR_H_

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@ -1,466 +0,0 @@
// Formatting library for C++ - experimental format string compilation
//
// Copyright (c) 2012 - present, Victor Zverovich and fmt contributors
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_COMPILE_H_
#define FMT_COMPILE_H_
#include <vector>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace internal {
template <typename Char> struct format_part {
public:
struct named_argument_id {
FMT_CONSTEXPR named_argument_id(internal::string_view_metadata id)
: id(id) {}
internal::string_view_metadata id;
};
struct argument_id {
FMT_CONSTEXPR argument_id() : argument_id(0u) {}
FMT_CONSTEXPR argument_id(unsigned id)
: which(which_arg_id::index), val(id) {}
FMT_CONSTEXPR argument_id(internal::string_view_metadata id)
: which(which_arg_id::named_index), val(id) {}
enum class which_arg_id { index, named_index };
which_arg_id which;
union value {
FMT_CONSTEXPR value() : index(0u) {}
FMT_CONSTEXPR value(unsigned id) : index(id) {}
FMT_CONSTEXPR value(internal::string_view_metadata id)
: named_index(id) {}
unsigned index;
internal::string_view_metadata named_index;
} val;
};
struct specification {
FMT_CONSTEXPR specification() : arg_id(0u) {}
FMT_CONSTEXPR specification(unsigned id) : arg_id(id) {}
FMT_CONSTEXPR specification(internal::string_view_metadata id)
: arg_id(id) {}
argument_id arg_id;
internal::dynamic_format_specs<Char> parsed_specs;
};
FMT_CONSTEXPR format_part()
: which(kind::argument_id), end_of_argument_id(0u), val(0u) {}
FMT_CONSTEXPR format_part(internal::string_view_metadata text)
: which(kind::text), end_of_argument_id(0u), val(text) {}
FMT_CONSTEXPR format_part(unsigned id)
: which(kind::argument_id), end_of_argument_id(0u), val(id) {}
FMT_CONSTEXPR format_part(named_argument_id arg_id)
: which(kind::named_argument_id), end_of_argument_id(0u), val(arg_id) {}
FMT_CONSTEXPR format_part(specification spec)
: which(kind::specification), end_of_argument_id(0u), val(spec) {}
enum class kind { argument_id, named_argument_id, text, specification };
kind which;
std::size_t end_of_argument_id;
union value {
FMT_CONSTEXPR value() : arg_id(0u) {}
FMT_CONSTEXPR value(unsigned id) : arg_id(id) {}
FMT_CONSTEXPR value(named_argument_id named_id)
: named_arg_id(named_id.id) {}
FMT_CONSTEXPR value(internal::string_view_metadata t) : text(t) {}
FMT_CONSTEXPR value(specification s) : spec(s) {}
unsigned arg_id;
internal::string_view_metadata named_arg_id;
internal::string_view_metadata text;
specification spec;
} val;
};
template <typename Char, typename PartsContainer>
class format_preparation_handler : public internal::error_handler {
private:
using part = format_part<Char>;
public:
using iterator = typename basic_string_view<Char>::iterator;
FMT_CONSTEXPR format_preparation_handler(basic_string_view<Char> format,
PartsContainer& parts)
: parts_(parts), format_(format), parse_context_(format) {}
FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
if (begin == end) return;
const auto offset = begin - format_.data();
const auto size = end - begin;
parts_.push_back(part(string_view_metadata(offset, size)));
}
FMT_CONSTEXPR void on_arg_id() {
parts_.push_back(part(parse_context_.next_arg_id()));
}
FMT_CONSTEXPR void on_arg_id(unsigned id) {
parse_context_.check_arg_id(id);
parts_.push_back(part(id));
}
FMT_CONSTEXPR void on_arg_id(basic_string_view<Char> id) {
const auto view = string_view_metadata(format_, id);
const auto arg_id = typename part::named_argument_id(view);
parts_.push_back(part(arg_id));
}
FMT_CONSTEXPR void on_replacement_field(const Char* ptr) {
parts_.back().end_of_argument_id = ptr - format_.begin();
}
FMT_CONSTEXPR const Char* on_format_specs(const Char* begin,
const Char* end) {
const auto specs_offset = to_unsigned(begin - format_.begin());
using parse_context = basic_parse_context<Char>;
internal::dynamic_format_specs<Char> parsed_specs;
dynamic_specs_handler<parse_context> handler(parsed_specs, parse_context_);
begin = parse_format_specs(begin, end, handler);
if (*begin != '}') on_error("missing '}' in format string");
auto& last_part = parts_.back();
auto specs = last_part.which == part::kind::argument_id
? typename part::specification(last_part.val.arg_id)
: typename part::specification(last_part.val.named_arg_id);
specs.parsed_specs = parsed_specs;
last_part = part(specs);
last_part.end_of_argument_id = specs_offset;
return begin;
}
private:
PartsContainer& parts_;
basic_string_view<Char> format_;
basic_parse_context<Char> parse_context_;
};
template <typename Format, typename PreparedPartsProvider, typename... Args>
class prepared_format {
public:
using char_type = char_t<Format>;
using format_part_t = format_part<char_type>;
constexpr prepared_format(Format f)
: format_(std::move(f)), parts_provider_(to_string_view(format_)) {}
prepared_format() = delete;
using context = buffer_context<char_type>;
template <typename Range, typename Context>
auto vformat_to(Range out, basic_format_args<Context> args) const ->
typename Context::iterator {
const auto format_view = internal::to_string_view(format_);
basic_parse_context<char_type> parse_ctx(format_view);
Context ctx(out.begin(), args);
const auto& parts = parts_provider_.parts();
for (auto part_it = parts.begin(); part_it != parts.end(); ++part_it) {
const auto& part = *part_it;
const auto& value = part.val;
switch (part.which) {
case format_part_t::kind::text: {
const auto text = value.text.to_view(format_view.data());
auto output = ctx.out();
auto&& it = internal::reserve(output, text.size());
it = std::copy_n(text.begin(), text.size(), it);
ctx.advance_to(output);
} break;
case format_part_t::kind::argument_id: {
advance_parse_context_to_specification(parse_ctx, part);
format_arg<Range>(parse_ctx, ctx, value.arg_id);
} break;
case format_part_t::kind::named_argument_id: {
advance_parse_context_to_specification(parse_ctx, part);
const auto named_arg_id =
value.named_arg_id.to_view(format_view.data());
format_arg<Range>(parse_ctx, ctx, named_arg_id);
} break;
case format_part_t::kind::specification: {
const auto& arg_id_value = value.spec.arg_id.val;
const auto arg = value.spec.arg_id.which ==
format_part_t::argument_id::which_arg_id::index
? ctx.arg(arg_id_value.index)
: ctx.arg(arg_id_value.named_index.to_view(
to_string_view(format_).data()));
auto specs = value.spec.parsed_specs;
handle_dynamic_spec<internal::width_checker>(
specs.width, specs.width_ref, ctx, format_view.begin());
handle_dynamic_spec<internal::precision_checker>(
specs.precision, specs.precision_ref, ctx, format_view.begin());
check_prepared_specs(specs, arg.type());
advance_parse_context_to_specification(parse_ctx, part);
ctx.advance_to(
visit_format_arg(arg_formatter<Range>(ctx, nullptr, &specs), arg));
} break;
}
}
return ctx.out();
}
private:
void advance_parse_context_to_specification(
basic_parse_context<char_type>& parse_ctx,
const format_part_t& part) const {
const auto view = to_string_view(format_);
const auto specification_begin = view.data() + part.end_of_argument_id;
advance_to(parse_ctx, specification_begin);
}
template <typename Range, typename Context, typename Id>
void format_arg(basic_parse_context<char_type>& parse_ctx, Context& ctx,
Id arg_id) const {
parse_ctx.check_arg_id(arg_id);
const auto stopped_at =
visit_format_arg(arg_formatter<Range>(ctx), ctx.arg(arg_id));
ctx.advance_to(stopped_at);
}
template <typename Char>
void check_prepared_specs(const basic_format_specs<Char>& specs,
internal::type arg_type) const {
internal::error_handler h;
numeric_specs_checker<internal::error_handler> checker(h, arg_type);
if (specs.align == align::numeric) checker.require_numeric_argument();
if (specs.sign != sign::none) checker.check_sign();
if (specs.alt) checker.require_numeric_argument();
if (specs.precision >= 0) checker.check_precision();
}
private:
Format format_;
PreparedPartsProvider parts_provider_;
};
template <typename Char> struct part_counter {
unsigned num_parts = 0;
FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) {
if (begin != end) ++num_parts;
}
FMT_CONSTEXPR void on_arg_id() { ++num_parts; }
FMT_CONSTEXPR void on_arg_id(unsigned) { ++num_parts; }
FMT_CONSTEXPR void on_arg_id(basic_string_view<Char>) { ++num_parts; }
FMT_CONSTEXPR void on_replacement_field(const Char*) {}
FMT_CONSTEXPR const Char* on_format_specs(const Char* begin,
const Char* end) {
// Find the matching brace.
unsigned braces_counter = 0;
for (; begin != end; ++begin) {
if (*begin == '{') {
++braces_counter;
} else if (*begin == '}') {
if (braces_counter == 0u) break;
--braces_counter;
}
}
return begin;
}
FMT_CONSTEXPR void on_error(const char*) {}
};
template <typename Format> class compiletime_prepared_parts_type_provider {
private:
using char_type = char_t<Format>;
static FMT_CONSTEXPR unsigned count_parts() {
FMT_CONSTEXPR_DECL const auto text = to_string_view(Format{});
part_counter<char_type> counter;
internal::parse_format_string</*IS_CONSTEXPR=*/true>(text, counter);
return counter.num_parts;
}
// Workaround for old compilers. Compiletime parts preparation will not be
// performed with them anyway.
#if FMT_USE_CONSTEXPR
static FMT_CONSTEXPR_DECL const unsigned number_of_format_parts =
compiletime_prepared_parts_type_provider::count_parts();
#else
static const unsigned number_of_format_parts = 0u;
#endif
public:
template <unsigned N> struct format_parts_array {
using value_type = format_part<char_type>;
FMT_CONSTEXPR format_parts_array() : arr{} {}
FMT_CONSTEXPR value_type& operator[](unsigned ind) { return arr[ind]; }
FMT_CONSTEXPR const value_type* begin() const { return arr; }
FMT_CONSTEXPR const value_type* end() const { return begin() + N; }
private:
value_type arr[N];
};
struct empty {
// Parts preparator will search for it
using value_type = format_part<char_type>;
};
using type = conditional_t<number_of_format_parts != 0,
format_parts_array<number_of_format_parts>, empty>;
};
template <typename Parts> class compiletime_prepared_parts_collector {
private:
using format_part = typename Parts::value_type;
public:
FMT_CONSTEXPR explicit compiletime_prepared_parts_collector(Parts& parts)
: parts_{parts}, counter_{0u} {}
FMT_CONSTEXPR void push_back(format_part part) { parts_[counter_++] = part; }
FMT_CONSTEXPR format_part& back() { return parts_[counter_ - 1]; }
private:
Parts& parts_;
unsigned counter_;
};
template <typename PartsContainer, typename Char>
FMT_CONSTEXPR PartsContainer prepare_parts(basic_string_view<Char> format) {
PartsContainer parts;
internal::parse_format_string</*IS_CONSTEXPR=*/false>(
format, format_preparation_handler<Char, PartsContainer>(format, parts));
return parts;
}
template <typename PartsContainer, typename Char>
FMT_CONSTEXPR PartsContainer
prepare_compiletime_parts(basic_string_view<Char> format) {
using collector = compiletime_prepared_parts_collector<PartsContainer>;
PartsContainer parts;
collector c(parts);
internal::parse_format_string</*IS_CONSTEXPR=*/true>(
format, format_preparation_handler<Char, collector>(format, c));
return parts;
}
template <typename PartsContainer> class runtime_parts_provider {
public:
runtime_parts_provider() = delete;
template <typename Char>
runtime_parts_provider(basic_string_view<Char> format)
: parts_(prepare_parts<PartsContainer>(format)) {}
const PartsContainer& parts() const { return parts_; }
private:
PartsContainer parts_;
};
template <typename Format, typename PartsContainer>
struct compiletime_parts_provider {
compiletime_parts_provider() = delete;
template <typename Char>
FMT_CONSTEXPR compiletime_parts_provider(basic_string_view<Char>) {}
const PartsContainer& parts() const {
static FMT_CONSTEXPR_DECL const PartsContainer prepared_parts =
prepare_compiletime_parts<PartsContainer>(
internal::to_string_view(Format{}));
return prepared_parts;
}
};
} // namespace internal
#if FMT_USE_CONSTEXPR
template <typename... Args, typename S,
FMT_ENABLE_IF(is_compile_string<S>::value)>
FMT_CONSTEXPR auto compile(S format_str) -> internal::prepared_format<
S,
internal::compiletime_parts_provider<
S,
typename internal::compiletime_prepared_parts_type_provider<S>::type>,
Args...> {
return format_str;
}
#endif
template <typename... Args, typename Char, size_t N>
auto compile(const Char (&format_str)[N]) -> internal::prepared_format<
std::basic_string<Char>,
internal::runtime_parts_provider<std::vector<internal::format_part<Char>>>,
Args...> {
return std::basic_string<Char>(format_str, N - 1);
}
template <typename CompiledFormat, typename... Args,
typename Char = typename CompiledFormat::char_type>
std::basic_string<Char> format(const CompiledFormat& cf, const Args&... args) {
basic_memory_buffer<Char> buffer;
using range = internal::buffer_range<Char>;
using context = buffer_context<Char>;
cf.template vformat_to<range, context>(range(buffer),
{make_format_args<context>(args...)});
return to_string(buffer);
}
template <typename OutputIt, typename CompiledFormat, typename... Args>
OutputIt format_to(OutputIt out, const CompiledFormat& cf,
const Args&... args) {
using char_type = typename CompiledFormat::char_type;
using range = internal::output_range<OutputIt, char_type>;
using context = format_context_t<OutputIt, char_type>;
return cf.template vformat_to<range, context>(
range(out), {make_format_args<context>(args...)});
}
template <typename OutputIt, typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value)>
format_to_n_result<OutputIt> format_to_n(OutputIt out, size_t n,
const CompiledFormat& cf,
const Args&... args) {
auto it =
format_to(internal::truncating_iterator<OutputIt>(out, n), cf, args...);
return {it.base(), it.count()};
}
template <typename CompiledFormat, typename... Args>
std::size_t formatted_size(const CompiledFormat& cf, const Args&... args) {
return fmt::format_to(
internal::counting_iterator<typename CompiledFormat::char_type>(),
cf, args...)
.count();
}
FMT_END_NAMESPACE
#endif // FMT_COMPILE_H_

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// Formatting library for C++ - std::locale support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_LOCALE_H_
#define FMT_LOCALE_H_
#include <locale>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace internal {
template <typename Char>
typename buffer_context<Char>::iterator vformat_to(
const std::locale& loc, buffer<Char>& buf,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char>> args) {
using range = buffer_range<Char>;
return vformat_to<arg_formatter<range>>(buf, to_string_view(format_str), args,
internal::locale_ref(loc));
}
template <typename Char>
std::basic_string<Char> vformat(const std::locale& loc,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char>> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(loc, buffer, format_str, args);
return fmt::to_string(buffer);
}
} // namespace internal
template <typename S, typename Char = char_t<S>>
inline std::basic_string<Char> vformat(
const std::locale& loc, const S& format_str,
basic_format_args<buffer_context<Char>> args) {
return internal::vformat(loc, to_string_view(format_str), args);
}
template <typename S, typename... Args, typename Char = char_t<S>>
inline std::basic_string<Char> format(const std::locale& loc,
const S& format_str, Args&&... args) {
return internal::vformat(
loc, to_string_view(format_str),
{internal::make_args_checked<Args...>(format_str, args...)});
}
template <typename S, typename OutputIt, typename... Args,
typename Char = enable_if_t<
internal::is_output_iterator<OutputIt>::value, char_t<S>>>
inline OutputIt vformat_to(OutputIt out, const std::locale& loc,
const S& format_str,
format_args_t<OutputIt, Char> args) {
using range = internal::output_range<OutputIt, Char>;
return vformat_to<arg_formatter<range>>(
range(out), to_string_view(format_str), args, internal::locale_ref(loc));
}
template <typename OutputIt, typename S, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value&&
internal::is_string<S>::value)>
inline OutputIt format_to(OutputIt out, const std::locale& loc,
const S& format_str, Args&&... args) {
internal::check_format_string<Args...>(format_str);
using context = format_context_t<OutputIt, char_t<S>>;
format_arg_store<context, Args...> as{args...};
return vformat_to(out, loc, to_string_view(format_str),
basic_format_args<context>(as));
}
FMT_END_NAMESPACE
#endif // FMT_LOCALE_H_

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// Formatting library for C++ - std::ostream support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_OSTREAM_H_
#define FMT_OSTREAM_H_
#include <ostream>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace internal {
template <class Char> class formatbuf : public std::basic_streambuf<Char> {
private:
using int_type = typename std::basic_streambuf<Char>::int_type;
using traits_type = typename std::basic_streambuf<Char>::traits_type;
buffer<Char>& buffer_;
public:
formatbuf(buffer<Char>& buf) : buffer_(buf) {}
protected:
// The put-area is actually always empty. This makes the implementation
// simpler and has the advantage that the streambuf and the buffer are always
// in sync and sputc never writes into uninitialized memory. The obvious
// disadvantage is that each call to sputc always results in a (virtual) call
// to overflow. There is no disadvantage here for sputn since this always
// results in a call to xsputn.
int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE {
if (!traits_type::eq_int_type(ch, traits_type::eof()))
buffer_.push_back(static_cast<Char>(ch));
return ch;
}
std::streamsize xsputn(const Char* s, std::streamsize count) FMT_OVERRIDE {
buffer_.append(s, s + count);
return count;
}
};
template <typename Char> struct test_stream : std::basic_ostream<Char> {
private:
struct null;
// Hide all operator<< from std::basic_ostream<Char>.
void operator<<(null);
};
// Checks if T has a user-defined operator<< (e.g. not a member of
// std::ostream).
template <typename T, typename Char> class is_streamable {
private:
template <typename U>
static decltype((void)(std::declval<test_stream<Char>&>()
<< std::declval<U>()),
std::true_type())
test(int);
template <typename> static std::false_type test(...);
using result = decltype(test<T>(0));
public:
static const bool value = result::value;
};
// Write the content of buf to os.
template <typename Char>
void write(std::basic_ostream<Char>& os, buffer<Char>& buf) {
const Char* buf_data = buf.data();
using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
unsigned_streamsize size = buf.size();
unsigned_streamsize max_size =
to_unsigned((std::numeric_limits<std::streamsize>::max)());
do {
unsigned_streamsize n = size <= max_size ? size : max_size;
os.write(buf_data, static_cast<std::streamsize>(n));
buf_data += n;
size -= n;
} while (size != 0);
}
template <typename Char, typename T>
void format_value(buffer<Char>& buf, const T& value) {
formatbuf<Char> format_buf(buf);
std::basic_ostream<Char> output(&format_buf);
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
output << value;
buf.resize(buf.size());
}
// Formats an object of type T that has an overloaded ostream operator<<.
template <typename T, typename Char>
struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
: formatter<basic_string_view<Char>, Char> {
template <typename Context>
auto format(const T& value, Context& ctx) -> decltype(ctx.out()) {
basic_memory_buffer<Char> buffer;
format_value(buffer, value);
basic_string_view<Char> str(buffer.data(), buffer.size());
return formatter<basic_string_view<Char>, Char>::format(str, ctx);
}
};
} // namespace internal
template <typename Char>
void vprint(std::basic_ostream<Char>& os, basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char>> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(buffer, format_str, args);
internal::write(os, buffer);
}
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fmt::print(cerr, "Don't {}!", "panic");
\endrst
*/
template <typename S, typename... Args,
typename Char = enable_if_t<internal::is_string<S>::value, char_t<S>>>
void print(std::basic_ostream<Char>& os, const S& format_str, Args&&... args) {
vprint(os, to_string_view(format_str),
{internal::make_args_checked<Args...>(format_str, args...)});
}
FMT_END_NAMESPACE
#endif // FMT_OSTREAM_H_

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// A C++ interface to POSIX functions.
//
// Copyright (c) 2012 - 2016, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_POSIX_H_
#define FMT_POSIX_H_
#if defined(__MINGW32__) || defined(__CYGWIN__)
// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
# undef __STRICT_ANSI__
#endif
#include <errno.h>
#include <fcntl.h> // for O_RDONLY
#include <locale.h> // for locale_t
#include <stdio.h>
#include <stdlib.h> // for strtod_l
#include <cstddef>
#if defined __APPLE__ || defined(__FreeBSD__)
# include <xlocale.h> // for LC_NUMERIC_MASK on OS X
#endif
#include "format.h"
#ifndef FMT_POSIX
# if defined(_WIN32) && !defined(__MINGW32__)
// Fix warnings about deprecated symbols.
# define FMT_POSIX(call) _##call
# else
# define FMT_POSIX(call) call
# endif
#endif
// Calls to system functions are wrapped in FMT_SYSTEM for testability.
#ifdef FMT_SYSTEM
# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
#else
# define FMT_SYSTEM(call) call
# ifdef _WIN32
// Fix warnings about deprecated symbols.
# define FMT_POSIX_CALL(call) ::_##call
# else
# define FMT_POSIX_CALL(call) ::call
# endif
#endif
// Retries the expression while it evaluates to error_result and errno
// equals to EINTR.
#ifndef _WIN32
# define FMT_RETRY_VAL(result, expression, error_result) \
do { \
result = (expression); \
} while (result == error_result && errno == EINTR)
#else
# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
#endif
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
FMT_BEGIN_NAMESPACE
/**
\rst
A reference to a null-terminated string. It can be constructed from a C
string or ``std::string``.
You can use one of the following type aliases for common character types:
+---------------+-----------------------------+
| Type | Definition |
+===============+=============================+
| cstring_view | basic_cstring_view<char> |
+---------------+-----------------------------+
| wcstring_view | basic_cstring_view<wchar_t> |
+---------------+-----------------------------+
This class is most useful as a parameter type to allow passing
different types of strings to a function, for example::
template <typename... Args>
std::string format(cstring_view format_str, const Args & ... args);
format("{}", 42);
format(std::string("{}"), 42);
\endrst
*/
template <typename Char> class basic_cstring_view {
private:
const Char* data_;
public:
/** Constructs a string reference object from a C string. */
basic_cstring_view(const Char* s) : data_(s) {}
/**
\rst
Constructs a string reference from an ``std::string`` object.
\endrst
*/
basic_cstring_view(const std::basic_string<Char>& s) : data_(s.c_str()) {}
/** Returns the pointer to a C string. */
const Char* c_str() const { return data_; }
};
using cstring_view = basic_cstring_view<char>;
using wcstring_view = basic_cstring_view<wchar_t>;
// An error code.
class error_code {
private:
int value_;
public:
explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
int get() const FMT_NOEXCEPT { return value_; }
};
// A buffered file.
class buffered_file {
private:
FILE* file_;
friend class file;
explicit buffered_file(FILE* f) : file_(f) {}
public:
// Constructs a buffered_file object which doesn't represent any file.
buffered_file() FMT_NOEXCEPT : file_(nullptr) {}
// Destroys the object closing the file it represents if any.
FMT_API ~buffered_file() FMT_NOEXCEPT;
private:
buffered_file(const buffered_file&) = delete;
void operator=(const buffered_file&) = delete;
public:
buffered_file(buffered_file&& other) FMT_NOEXCEPT : file_(other.file_) {
other.file_ = nullptr;
}
buffered_file& operator=(buffered_file&& other) {
close();
file_ = other.file_;
other.file_ = nullptr;
return *this;
}
// Opens a file.
FMT_API buffered_file(cstring_view filename, cstring_view mode);
// Closes the file.
FMT_API void close();
// Returns the pointer to a FILE object representing this file.
FILE* get() const FMT_NOEXCEPT { return file_; }
// We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro.
FMT_API int(fileno)() const;
void vprint(string_view format_str, format_args args) {
fmt::vprint(file_, format_str, args);
}
template <typename... Args>
inline void print(string_view format_str, const Args&... args) {
vprint(format_str, make_format_args(args...));
}
};
// A file. Closed file is represented by a file object with descriptor -1.
// Methods that are not declared with FMT_NOEXCEPT may throw
// fmt::system_error in case of failure. Note that some errors such as
// closing the file multiple times will cause a crash on Windows rather
// than an exception. You can get standard behavior by overriding the
// invalid parameter handler with _set_invalid_parameter_handler.
class file {
private:
int fd_; // File descriptor.
// Constructs a file object with a given descriptor.
explicit file(int fd) : fd_(fd) {}
public:
// Possible values for the oflag argument to the constructor.
enum {
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
};
// Constructs a file object which doesn't represent any file.
file() FMT_NOEXCEPT : fd_(-1) {}
// Opens a file and constructs a file object representing this file.
FMT_API file(cstring_view path, int oflag);
private:
file(const file&) = delete;
void operator=(const file&) = delete;
public:
file(file&& other) FMT_NOEXCEPT : fd_(other.fd_) { other.fd_ = -1; }
file& operator=(file&& other) {
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
// Destroys the object closing the file it represents if any.
FMT_API ~file() FMT_NOEXCEPT;
// Returns the file descriptor.
int descriptor() const FMT_NOEXCEPT { return fd_; }
// Closes the file.
FMT_API void close();
// Returns the file size. The size has signed type for consistency with
// stat::st_size.
FMT_API long long size() const;
// Attempts to read count bytes from the file into the specified buffer.
FMT_API std::size_t read(void* buffer, std::size_t count);
// Attempts to write count bytes from the specified buffer to the file.
FMT_API std::size_t write(const void* buffer, std::size_t count);
// Duplicates a file descriptor with the dup function and returns
// the duplicate as a file object.
FMT_API static file dup(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd, error_code& ec) FMT_NOEXCEPT;
// Creates a pipe setting up read_end and write_end file objects for reading
// and writing respectively.
FMT_API static void pipe(file& read_end, file& write_end);
// Creates a buffered_file object associated with this file and detaches
// this file object from the file.
FMT_API buffered_file fdopen(const char* mode);
};
// Returns the memory page size.
long getpagesize();
#ifdef FMT_LOCALE
// A "C" numeric locale.
class Locale {
private:
# ifdef _WIN32
using locale_t = _locale_t;
enum { LC_NUMERIC_MASK = LC_NUMERIC };
static locale_t newlocale(int category_mask, const char* locale, locale_t) {
return _create_locale(category_mask, locale);
}
static void freelocale(locale_t locale) { _free_locale(locale); }
static double strtod_l(const char* nptr, char** endptr, _locale_t locale) {
return _strtod_l(nptr, endptr, locale);
}
# endif
locale_t locale_;
Locale(const Locale&) = delete;
void operator=(const Locale&) = delete;
public:
using type = locale_t;
Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", nullptr)) {
if (!locale_) FMT_THROW(system_error(errno, "cannot create locale"));
}
~Locale() { freelocale(locale_); }
type get() const { return locale_; }
// Converts string to floating-point number and advances str past the end
// of the parsed input.
double strtod(const char*& str) const {
char* end = nullptr;
double result = strtod_l(str, &end, locale_);
str = end;
return result;
}
};
#endif // FMT_LOCALE
FMT_END_NAMESPACE
#endif // FMT_POSIX_H_

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// Formatting library for C++
//
// Copyright (c) 2012 - 2016, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
#ifndef FMT_PRINTF_H_
#define FMT_PRINTF_H_
#include <algorithm> // std::fill_n
#include <limits> // std::numeric_limits
#include "ostream.h"
FMT_BEGIN_NAMESPACE
namespace internal {
// A helper function to suppress bogus "conditional expression is constant"
// warnings.
template <typename T> inline T const_check(T value) { return value; }
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned> struct int_checker {
template <typename T> static bool fits_in_int(T value) {
unsigned max = std::numeric_limits<int>::max();
return value <= max;
}
static bool fits_in_int(bool) { return true; }
};
template <> struct int_checker<true> {
template <typename T> static bool fits_in_int(T value) {
return value >= std::numeric_limits<int>::min() &&
value <= std::numeric_limits<int>::max();
}
static bool fits_in_int(int) { return true; }
};
class printf_precision_handler {
public:
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
int operator()(T value) {
if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
FMT_THROW(format_error("number is too big"));
return (std::max)(static_cast<int>(value), 0);
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
int operator()(T) {
FMT_THROW(format_error("precision is not integer"));
return 0;
}
};
// An argument visitor that returns true iff arg is a zero integer.
class is_zero_int {
public:
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
bool operator()(T value) {
return value == 0;
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
bool operator()(T) {
return false;
}
};
template <typename T> struct make_unsigned_or_bool : std::make_unsigned<T> {};
template <> struct make_unsigned_or_bool<bool> { using type = bool; };
template <typename T, typename Context> class arg_converter {
private:
using char_type = typename Context::char_type;
basic_format_arg<Context>& arg_;
char_type type_;
public:
arg_converter(basic_format_arg<Context>& arg, char_type type)
: arg_(arg), type_(type) {}
void operator()(bool value) {
if (type_ != 's') operator()<bool>(value);
}
template <typename U, FMT_ENABLE_IF(std::is_integral<U>::value)>
void operator()(U value) {
bool is_signed = type_ == 'd' || type_ == 'i';
using target_type = conditional_t<std::is_same<T, void>::value, U, T>;
if (const_check(sizeof(target_type) <= sizeof(int))) {
// Extra casts are used to silence warnings.
if (is_signed) {
arg_ = internal::make_arg<Context>(
static_cast<int>(static_cast<target_type>(value)));
} else {
using unsigned_type = typename make_unsigned_or_bool<target_type>::type;
arg_ = internal::make_arg<Context>(
static_cast<unsigned>(static_cast<unsigned_type>(value)));
}
} else {
if (is_signed) {
// glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB.
arg_ = internal::make_arg<Context>(static_cast<long long>(value));
} else {
arg_ = internal::make_arg<Context>(
static_cast<typename make_unsigned_or_bool<U>::type>(value));
}
}
}
template <typename U, FMT_ENABLE_IF(!std::is_integral<U>::value)>
void operator()(U) {} // No conversion needed for non-integral types.
};
// Converts an integer argument to T for printf, if T is an integral type.
// If T is void, the argument is converted to corresponding signed or unsigned
// type depending on the type specifier: 'd' and 'i' - signed, other -
// unsigned).
template <typename T, typename Context, typename Char>
void convert_arg(basic_format_arg<Context>& arg, Char type) {
visit_format_arg(arg_converter<T, Context>(arg, type), arg);
}
// Converts an integer argument to char for printf.
template <typename Context> class char_converter {
private:
basic_format_arg<Context>& arg_;
public:
explicit char_converter(basic_format_arg<Context>& arg) : arg_(arg) {}
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
void operator()(T value) {
arg_ = internal::make_arg<Context>(
static_cast<typename Context::char_type>(value));
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
void operator()(T) {} // No conversion needed for non-integral types.
};
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
template <typename Char> class printf_width_handler {
private:
using format_specs = basic_format_specs<Char>;
format_specs& specs_;
public:
explicit printf_width_handler(format_specs& specs) : specs_(specs) {}
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
unsigned operator()(T value) {
auto width = static_cast<uint32_or_64_t<T>>(value);
if (internal::is_negative(value)) {
specs_.align = align::left;
width = 0 - width;
}
unsigned int_max = std::numeric_limits<int>::max();
if (width > int_max) FMT_THROW(format_error("number is too big"));
return static_cast<unsigned>(width);
}
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
unsigned operator()(T) {
FMT_THROW(format_error("width is not integer"));
return 0;
}
};
template <typename Char, typename Context>
void printf(buffer<Char>& buf, basic_string_view<Char> format,
basic_format_args<Context> args) {
Context(std::back_inserter(buf), format, args).format();
}
template <typename OutputIt, typename Char, typename Context>
internal::truncating_iterator<OutputIt> printf(
internal::truncating_iterator<OutputIt> it, basic_string_view<Char> format,
basic_format_args<Context> args) {
return Context(it, format, args).format();
}
} // namespace internal
using internal::printf; // For printing into memory_buffer.
template <typename Range> class printf_arg_formatter;
template <typename OutputIt, typename Char> class basic_printf_context;
/**
\rst
The ``printf`` argument formatter.
\endrst
*/
template <typename Range>
class printf_arg_formatter : public internal::arg_formatter_base<Range> {
public:
using iterator = typename Range::iterator;
private:
using char_type = typename Range::value_type;
using base = internal::arg_formatter_base<Range>;
using context_type = basic_printf_context<iterator, char_type>;
context_type& context_;
void write_null_pointer(char) {
this->specs()->type = 0;
this->write("(nil)");
}
void write_null_pointer(wchar_t) {
this->specs()->type = 0;
this->write(L"(nil)");
}
public:
using format_specs = typename base::format_specs;
/**
\rst
Constructs an argument formatter object.
*buffer* is a reference to the output buffer and *specs* contains format
specifier information for standard argument types.
\endrst
*/
printf_arg_formatter(iterator iter, format_specs& specs, context_type& ctx)
: base(Range(iter), &specs, internal::locale_ref()), context_(ctx) {}
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
iterator operator()(T value) {
// MSVC2013 fails to compile separate overloads for bool and char_type so
// use std::is_same instead.
if (std::is_same<T, bool>::value) {
format_specs& fmt_specs = *this->specs();
if (fmt_specs.type != 's') return base::operator()(value ? 1 : 0);
fmt_specs.type = 0;
this->write(value != 0);
} else if (std::is_same<T, char_type>::value) {
format_specs& fmt_specs = *this->specs();
if (fmt_specs.type && fmt_specs.type != 'c')
return (*this)(static_cast<int>(value));
fmt_specs.sign = sign::none;
fmt_specs.alt = false;
fmt_specs.align = align::right;
return base::operator()(value);
} else {
return base::operator()(value);
}
return this->out();
}
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
iterator operator()(T value) {
return base::operator()(value);
}
/** Formats a null-terminated C string. */
iterator operator()(const char* value) {
if (value)
base::operator()(value);
else if (this->specs()->type == 'p')
write_null_pointer(char_type());
else
this->write("(null)");
return this->out();
}
/** Formats a null-terminated wide C string. */
iterator operator()(const wchar_t* value) {
if (value)
base::operator()(value);
else if (this->specs()->type == 'p')
write_null_pointer(char_type());
else
this->write(L"(null)");
return this->out();
}
iterator operator()(basic_string_view<char_type> value) {
return base::operator()(value);
}
iterator operator()(monostate value) { return base::operator()(value); }
/** Formats a pointer. */
iterator operator()(const void* value) {
if (value) return base::operator()(value);
this->specs()->type = 0;
write_null_pointer(char_type());
return this->out();
}
/** Formats an argument of a custom (user-defined) type. */
iterator operator()(typename basic_format_arg<context_type>::handle handle) {
handle.format(context_.parse_context(), context_);
return this->out();
}
};
template <typename T> struct printf_formatter {
template <typename ParseContext>
auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) {
internal::format_value(internal::get_container(ctx.out()), value);
return ctx.out();
}
};
/** This template formats data and writes the output to a writer. */
template <typename OutputIt, typename Char> class basic_printf_context {
public:
/** The character type for the output. */
using char_type = Char;
using format_arg = basic_format_arg<basic_printf_context>;
template <typename T> using formatter_type = printf_formatter<T>;
private:
using format_specs = basic_format_specs<char_type>;
OutputIt out_;
basic_format_args<basic_printf_context> args_;
basic_parse_context<Char> parse_ctx_;
static void parse_flags(format_specs& specs, const Char*& it,
const Char* end);
// Returns the argument with specified index or, if arg_index is equal
// to the maximum unsigned value, the next argument.
format_arg get_arg(unsigned arg_index = std::numeric_limits<unsigned>::max());
// Parses argument index, flags and width and returns the argument index.
unsigned parse_header(const Char*& it, const Char* end, format_specs& specs);
public:
/**
\rst
Constructs a ``printf_context`` object. References to the arguments and
the writer are stored in the context object so make sure they have
appropriate lifetimes.
\endrst
*/
basic_printf_context(OutputIt out, basic_string_view<char_type> format_str,
basic_format_args<basic_printf_context> args)
: out_(out), args_(args), parse_ctx_(format_str) {}
OutputIt out() { return out_; }
void advance_to(OutputIt it) { out_ = it; }
format_arg arg(unsigned id) const { return args_.get(id); }
basic_parse_context<Char>& parse_context() { return parse_ctx_; }
FMT_CONSTEXPR void on_error(const char* message) {
parse_ctx_.on_error(message);
}
/** Formats stored arguments and writes the output to the range. */
template <typename ArgFormatter =
printf_arg_formatter<internal::buffer_range<Char>>>
OutputIt format();
};
template <typename OutputIt, typename Char>
void basic_printf_context<OutputIt, Char>::parse_flags(format_specs& specs,
const Char*& it,
const Char* end) {
for (; it != end; ++it) {
switch (*it) {
case '-':
specs.align = align::left;
break;
case '+':
specs.sign = sign::plus;
break;
case '0':
specs.fill[0] = '0';
break;
case ' ':
specs.sign = sign::space;
break;
case '#':
specs.alt = true;
break;
default:
return;
}
}
}
template <typename OutputIt, typename Char>
typename basic_printf_context<OutputIt, Char>::format_arg
basic_printf_context<OutputIt, Char>::get_arg(unsigned arg_index) {
if (arg_index == std::numeric_limits<unsigned>::max())
arg_index = parse_ctx_.next_arg_id();
else
parse_ctx_.check_arg_id(--arg_index);
return internal::get_arg(*this, arg_index);
}
template <typename OutputIt, typename Char>
unsigned basic_printf_context<OutputIt, Char>::parse_header(
const Char*& it, const Char* end, format_specs& specs) {
unsigned arg_index = std::numeric_limits<unsigned>::max();
char_type c = *it;
if (c >= '0' && c <= '9') {
// Parse an argument index (if followed by '$') or a width possibly
// preceded with '0' flag(s).
internal::error_handler eh;
unsigned value = parse_nonnegative_int(it, end, eh);
if (it != end && *it == '$') { // value is an argument index
++it;
arg_index = value;
} else {
if (c == '0') specs.fill[0] = '0';
if (value != 0) {
// Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now.
specs.width = value;
return arg_index;
}
}
}
parse_flags(specs, it, end);
// Parse width.
if (it != end) {
if (*it >= '0' && *it <= '9') {
internal::error_handler eh;
specs.width = parse_nonnegative_int(it, end, eh);
} else if (*it == '*') {
++it;
specs.width = visit_format_arg(
internal::printf_width_handler<char_type>(specs), get_arg());
}
}
return arg_index;
}
template <typename OutputIt, typename Char>
template <typename ArgFormatter>
OutputIt basic_printf_context<OutputIt, Char>::format() {
auto out = this->out();
const Char* start = parse_ctx_.begin();
const Char* end = parse_ctx_.end();
auto it = start;
while (it != end) {
char_type c = *it++;
if (c != '%') continue;
if (it != end && *it == c) {
out = std::copy(start, it, out);
start = ++it;
continue;
}
out = std::copy(start, it - 1, out);
format_specs specs;
specs.align = align::right;
// Parse argument index, flags and width.
unsigned arg_index = parse_header(it, end, specs);
// Parse precision.
if (it != end && *it == '.') {
++it;
c = it != end ? *it : 0;
if ('0' <= c && c <= '9') {
internal::error_handler eh;
specs.precision = static_cast<int>(parse_nonnegative_int(it, end, eh));
} else if (c == '*') {
++it;
specs.precision =
visit_format_arg(internal::printf_precision_handler(), get_arg());
} else {
specs.precision = 0;
}
}
format_arg arg = get_arg(arg_index);
if (specs.alt && visit_format_arg(internal::is_zero_int(), arg))
specs.alt = false;
if (specs.fill[0] == '0') {
if (arg.is_arithmetic())
specs.align = align::numeric;
else
specs.fill[0] = ' '; // Ignore '0' flag for non-numeric types.
}
// Parse length and convert the argument to the required type.
c = it != end ? *it++ : 0;
char_type t = it != end ? *it : 0;
using internal::convert_arg;
switch (c) {
case 'h':
if (t == 'h') {
++it;
t = it != end ? *it : 0;
convert_arg<signed char>(arg, t);
} else {
convert_arg<short>(arg, t);
}
break;
case 'l':
if (t == 'l') {
++it;
t = it != end ? *it : 0;
convert_arg<long long>(arg, t);
} else {
convert_arg<long>(arg, t);
}
break;
case 'j':
convert_arg<intmax_t>(arg, t);
break;
case 'z':
convert_arg<std::size_t>(arg, t);
break;
case 't':
convert_arg<std::ptrdiff_t>(arg, t);
break;
case 'L':
// printf produces garbage when 'L' is omitted for long double, no
// need to do the same.
break;
default:
--it;
convert_arg<void>(arg, c);
}
// Parse type.
if (it == end) FMT_THROW(format_error("invalid format string"));
specs.type = static_cast<char>(*it++);
if (arg.is_integral()) {
// Normalize type.
switch (specs.type) {
case 'i':
case 'u':
specs.type = 'd';
break;
case 'c':
visit_format_arg(internal::char_converter<basic_printf_context>(arg),
arg);
break;
}
}
start = it;
// Format argument.
visit_format_arg(ArgFormatter(out, specs, *this), arg);
}
return std::copy(start, it, out);
}
template <typename Char>
using basic_printf_context_t =
basic_printf_context<std::back_insert_iterator<internal::buffer<Char>>,
Char>;
using printf_context = basic_printf_context_t<char>;
using wprintf_context = basic_printf_context_t<wchar_t>;
using printf_args = basic_format_args<printf_context>;
using wprintf_args = basic_format_args<wprintf_context>;
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::printf_args`.
\endrst
*/
template <typename... Args>
inline format_arg_store<printf_context, Args...> make_printf_args(
const Args&... args) {
return {args...};
}
/**
\rst
Constructs an `~fmt::format_arg_store` object that contains references to
arguments and can be implicitly converted to `~fmt::wprintf_args`.
\endrst
*/
template <typename... Args>
inline format_arg_store<wprintf_context, Args...> make_wprintf_args(
const Args&... args) {
return {args...};
}
template <typename S, typename Char = char_t<S>>
inline std::basic_string<Char> vsprintf(
const S& format, basic_format_args<basic_printf_context_t<Char>> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
return to_string(buffer);
}
/**
\rst
Formats arguments and returns the result as a string.
**Example**::
std::string message = fmt::sprintf("The answer is %d", 42);
\endrst
*/
template <typename S, typename... Args,
typename Char = enable_if_t<internal::is_string<S>::value, char_t<S>>>
inline std::basic_string<Char> sprintf(const S& format, const Args&... args) {
using context = basic_printf_context_t<Char>;
return vsprintf(to_string_view(format), {make_format_args<context>(args...)});
}
template <typename S, typename Char = char_t<S>>
inline int vfprintf(std::FILE* f, const S& format,
basic_format_args<basic_printf_context_t<Char>> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
std::size_t size = buffer.size();
return std::fwrite(buffer.data(), sizeof(Char), size, f) < size
? -1
: static_cast<int>(size);
}
/**
\rst
Prints formatted data to the file *f*.
**Example**::
fmt::fprintf(stderr, "Don't %s!", "panic");
\endrst
*/
template <typename S, typename... Args,
typename Char = enable_if_t<internal::is_string<S>::value, char_t<S>>>
inline int fprintf(std::FILE* f, const S& format, const Args&... args) {
using context = basic_printf_context_t<Char>;
return vfprintf(f, to_string_view(format),
{make_format_args<context>(args...)});
}
template <typename S, typename Char = char_t<S>>
inline int vprintf(const S& format,
basic_format_args<basic_printf_context_t<Char>> args) {
return vfprintf(stdout, to_string_view(format), args);
}
/**
\rst
Prints formatted data to ``stdout``.
**Example**::
fmt::printf("Elapsed time: %.2f seconds", 1.23);
\endrst
*/
template <typename S, typename... Args,
FMT_ENABLE_IF(internal::is_string<S>::value)>
inline int printf(const S& format_str, const Args&... args) {
using context = basic_printf_context_t<char_t<S>>;
return vprintf(to_string_view(format_str),
{make_format_args<context>(args...)});
}
template <typename S, typename Char = char_t<S>>
inline int vfprintf(std::basic_ostream<Char>& os, const S& format,
basic_format_args<basic_printf_context_t<Char>> args) {
basic_memory_buffer<Char> buffer;
printf(buffer, to_string_view(format), args);
internal::write(os, buffer);
return static_cast<int>(buffer.size());
}
/** Formats arguments and writes the output to the range. */
template <typename ArgFormatter, typename Char,
typename Context =
basic_printf_context<typename ArgFormatter::iterator, Char>>
typename ArgFormatter::iterator vprintf(internal::buffer<Char>& out,
basic_string_view<Char> format_str,
basic_format_args<Context> args) {
typename ArgFormatter::iterator iter(out);
Context(iter, format_str, args).template format<ArgFormatter>();
return iter;
}
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
fmt::fprintf(cerr, "Don't %s!", "panic");
\endrst
*/
template <typename S, typename... Args, typename Char = char_t<S>>
inline int fprintf(std::basic_ostream<Char>& os, const S& format_str,
const Args&... args) {
using context = basic_printf_context_t<Char>;
return vfprintf(os, to_string_view(format_str),
{make_format_args<context>(args...)});
}
FMT_END_NAMESPACE
#endif // FMT_PRINTF_H_

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// Formatting library for C++ - experimental range support
//
// Copyright (c) 2012 - present, Victor Zverovich
// All rights reserved.
//
// For the license information refer to format.h.
//
// Copyright (c) 2018 - present, Remotion (Igor Schulz)
// All Rights Reserved
// {fmt} support for ranges, containers and types tuple interface.
#ifndef FMT_RANGES_H_
#define FMT_RANGES_H_
#include <type_traits>
#include "format.h"
// output only up to N items from the range.
#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
# define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
#endif
FMT_BEGIN_NAMESPACE
template <typename Char> struct formatting_base {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
};
template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char> {
static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the
// range.
Char prefix;
Char delimiter;
Char postfix;
formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char> {
Char prefix;
Char delimiter;
Char postfix;
formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
namespace internal {
template <typename RangeT, typename OutputIterator>
OutputIterator copy(const RangeT& range, OutputIterator out) {
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
return out;
}
template <typename OutputIterator>
OutputIterator copy(const char* str, OutputIterator out) {
while (*str) *out++ = *str++;
return out;
}
template <typename OutputIterator>
OutputIterator copy(char ch, OutputIterator out) {
*out++ = ch;
return out;
}
/// Return true value if T has std::string interface, like std::string_view.
template <typename T> class is_like_std_string {
template <typename U>
static auto check(U* p)
-> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
is_string<T>::value || !std::is_void<decltype(check<T>(nullptr))>::value;
};
template <typename Char>
struct is_like_std_string<fmt::basic_string_view<Char>> : std::true_type {};
template <typename... Ts> struct conditional_helper {};
template <typename T, typename _ = void> struct is_range_ : std::false_type {};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
template <typename T>
struct is_range_<
T, conditional_t<false,
conditional_helper<decltype(std::declval<T>().begin()),
decltype(std::declval<T>().end())>,
void>> : std::true_type {};
#endif
/// tuple_size and tuple_element check.
template <typename T> class is_tuple_like_ {
template <typename U>
static auto check(U* p)
-> decltype(std::tuple_size<U>::value,
(void)std::declval<typename std::tuple_element<0, U>::type>(),
int());
template <typename> static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(nullptr))>::value;
};
// Check for integer_sequence
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template <typename T, T... N>
using integer_sequence = std::integer_sequence<T, N...>;
template <std::size_t... N> using index_sequence = std::index_sequence<N...>;
template <std::size_t N>
using make_index_sequence = std::make_index_sequence<N>;
#else
template <typename T, T... N> struct integer_sequence {
using value_type = T;
static FMT_CONSTEXPR std::size_t size() { return sizeof...(N); }
};
template <std::size_t... N>
using index_sequence = integer_sequence<std::size_t, N...>;
template <typename T, std::size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
template <typename T, T... Ns>
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
template <std::size_t N>
using make_index_sequence = make_integer_sequence<std::size_t, N>;
#endif
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) FMT_NOEXCEPT {
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
(void)_; // blocks warnings
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
T const&) {
return {};
}
template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
}
template <typename Arg, FMT_ENABLE_IF(!is_like_std_string<
typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
return add_space ? " {}" : "{}";
}
template <typename Arg, FMT_ENABLE_IF(is_like_std_string<
typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
return add_space ? L" \"{}\"" : L"\"{}\"";
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
return add_space ? " '{}'" : "'{}'";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
return add_space ? L" '{}'" : L"'{}'";
}
} // namespace internal
template <typename T> struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
private:
// C++11 generic lambda for format()
template <typename FormatContext> struct format_each {
template <typename T> void operator()(const T& v) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
out = internal::copy(formatting.delimiter, out);
}
out = format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), v),
v);
++i;
}
formatting_tuple<Char>& formatting;
std::size_t& i;
typename std::add_lvalue_reference<decltype(
std::declval<FormatContext>().out())>::type out;
};
public:
formatting_tuple<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext = format_context>
auto format(const TupleT& values, FormatContext& ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space) {
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
return ctx.out();
}
};
template <typename T, typename Char> struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_range_<T>::value &&
!internal::is_like_std_string<T>::value &&
!std::is_convertible<T, std::basic_string<Char>>::value;
};
template <typename RangeT, typename Char>
struct formatter<RangeT, Char,
enable_if_t<fmt::is_range<RangeT, Char>::value>> {
formatting_range<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext>
typename FormatContext::iterator format(const RangeT& values,
FormatContext& ctx) {
auto out = internal::copy(formatting.prefix, ctx.out());
std::size_t i = 0;
for (auto it = values.begin(), end = values.end(); it != end; ++it) {
if (i > 0) {
if (formatting.add_prepostfix_space) *out++ = ' ';
out = internal::copy(formatting.delimiter, out);
}
out = format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), *it),
*it);
if (++i > formatting.range_length_limit) {
out = format_to(out, " ... <other elements>");
break;
}
}
if (formatting.add_prepostfix_space) *out++ = ' ';
return internal::copy(formatting.postfix, out);
}
};
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_

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/*
* For conversion between std::chrono::durations without undefined
* behaviour or erroneous results.
* This is a stripped down version of duration_cast, for inclusion in fmt.
* See https://github.com/pauldreik/safe_duration_cast
*
* Copyright Paul Dreik 2019
*
* This file is licensed under the fmt license, see format.h
*/
#include <chrono>
#include <cmath>
#include <limits>
#include <type_traits>
#include "format.h"
FMT_BEGIN_NAMESPACE
namespace safe_duration_cast {
template <typename To, typename From,
FMT_ENABLE_IF(!std::is_same<From, To>::value &&
std::numeric_limits<From>::is_signed ==
std::numeric_limits<To>::is_signed)>
FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) {
ec = 0;
using F = std::numeric_limits<From>;
using T = std::numeric_limits<To>;
static_assert(F::is_integer, "From must be integral");
static_assert(T::is_integer, "To must be integral");
// A and B are both signed, or both unsigned.
if (F::digits <= T::digits) {
// From fits in To without any problem.
} else {
// From does not always fit in To, resort to a dynamic check.
if (from < T::min() || from > T::max()) {
// outside range.
ec = 1;
return {};
}
}
return static_cast<To>(from);
}
/**
* converts From to To, without loss. If the dynamic value of from
* can't be converted to To without loss, ec is set.
*/
template <typename To, typename From,
FMT_ENABLE_IF(!std::is_same<From, To>::value &&
std::numeric_limits<From>::is_signed !=
std::numeric_limits<To>::is_signed)>
FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) {
ec = 0;
using F = std::numeric_limits<From>;
using T = std::numeric_limits<To>;
static_assert(F::is_integer, "From must be integral");
static_assert(T::is_integer, "To must be integral");
if (F::is_signed && !T::is_signed) {
// From may be negative, not allowed!
if (from < 0) {
ec = 1;
return {};
}
// From is positive. Can it always fit in To?
if (F::digits <= T::digits) {
// yes, From always fits in To.
} else {
// from may not fit in To, we have to do a dynamic check
if (from > static_cast<From>(T::max())) {
ec = 1;
return {};
}
}
}
if (!F::is_signed && T::is_signed) {
// can from be held in To?
if (F::digits < T::digits) {
// yes, From always fits in To.
} else {
// from may not fit in To, we have to do a dynamic check
if (from > static_cast<From>(T::max())) {
// outside range.
ec = 1;
return {};
}
}
}
// reaching here means all is ok for lossless conversion.
return static_cast<To>(from);
} // function
template <typename To, typename From,
FMT_ENABLE_IF(std::is_same<From, To>::value)>
FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) {
ec = 0;
return from;
} // function
// clang-format off
/**
* converts From to To if possible, otherwise ec is set.
*
* input | output
* ---------------------------------|---------------
* NaN | NaN
* Inf | Inf
* normal, fits in output | converted (possibly lossy)
* normal, does not fit in output | ec is set
* subnormal | best effort
* -Inf | -Inf
*/
// clang-format on
template <typename To, typename From,
FMT_ENABLE_IF(!std::is_same<From, To>::value)>
FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) {
ec = 0;
using T = std::numeric_limits<To>;
static_assert(std::is_floating_point<From>::value, "From must be floating");
static_assert(std::is_floating_point<To>::value, "To must be floating");
// catch the only happy case
if (std::isfinite(from)) {
if (from >= T::lowest() && from <= T::max()) {
return static_cast<To>(from);
}
// not within range.
ec = 1;
return {};
}
// nan and inf will be preserved
return static_cast<To>(from);
} // function
template <typename To, typename From,
FMT_ENABLE_IF(std::is_same<From, To>::value)>
FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) {
ec = 0;
static_assert(std::is_floating_point<From>::value, "From must be floating");
return from;
}
/**
* safe duration cast between integral durations
*/
template <typename To, typename FromRep, typename FromPeriod,
FMT_ENABLE_IF(std::is_integral<FromRep>::value),
FMT_ENABLE_IF(std::is_integral<typename To::rep>::value)>
To safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from,
int& ec) {
using From = std::chrono::duration<FromRep, FromPeriod>;
ec = 0;
// the basic idea is that we need to convert from count() in the from type
// to count() in the To type, by multiplying it with this:
using Factor = std::ratio_divide<typename From::period, typename To::period>;
static_assert(Factor::num > 0, "num must be positive");
static_assert(Factor::den > 0, "den must be positive");
// the conversion is like this: multiply from.count() with Factor::num
// /Factor::den and convert it to To::rep, all this without
// overflow/underflow. let's start by finding a suitable type that can hold
// both To, From and Factor::num
using IntermediateRep =
typename std::common_type<typename From::rep, typename To::rep,
decltype(Factor::num)>::type;
// safe conversion to IntermediateRep
IntermediateRep count =
lossless_integral_conversion<IntermediateRep>(from.count(), ec);
if (ec) {
return {};
}
// multiply with Factor::num without overflow or underflow
if (Factor::num != 1) {
constexpr auto max1 =
std::numeric_limits<IntermediateRep>::max() / Factor::num;
if (count > max1) {
ec = 1;
return {};
}
constexpr auto min1 =
std::numeric_limits<IntermediateRep>::min() / Factor::num;
if (count < min1) {
ec = 1;
return {};
}
count *= Factor::num;
}
// this can't go wrong, right? den>0 is checked earlier.
if (Factor::den != 1) {
count /= Factor::den;
}
// convert to the to type, safely
using ToRep = typename To::rep;
const ToRep tocount = lossless_integral_conversion<ToRep>(count, ec);
if (ec) {
return {};
}
return To{tocount};
}
/**
* safe duration_cast between floating point durations
*/
template <typename To, typename FromRep, typename FromPeriod,
FMT_ENABLE_IF(std::is_floating_point<FromRep>::value),
FMT_ENABLE_IF(std::is_floating_point<typename To::rep>::value)>
To safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from,
int& ec) {
using From = std::chrono::duration<FromRep, FromPeriod>;
ec = 0;
if (std::isnan(from.count())) {
// nan in, gives nan out. easy.
return To{std::numeric_limits<typename To::rep>::quiet_NaN()};
}
// maybe we should also check if from is denormal, and decide what to do about
// it.
// +-inf should be preserved.
if (std::isinf(from.count())) {
return To{from.count()};
}
// the basic idea is that we need to convert from count() in the from type
// to count() in the To type, by multiplying it with this:
using Factor = std::ratio_divide<typename From::period, typename To::period>;
static_assert(Factor::num > 0, "num must be positive");
static_assert(Factor::den > 0, "den must be positive");
// the conversion is like this: multiply from.count() with Factor::num
// /Factor::den and convert it to To::rep, all this without
// overflow/underflow. let's start by finding a suitable type that can hold
// both To, From and Factor::num
using IntermediateRep =
typename std::common_type<typename From::rep, typename To::rep,
decltype(Factor::num)>::type;
// force conversion of From::rep -> IntermediateRep to be safe,
// even if it will never happen be narrowing in this context.
IntermediateRep count =
safe_float_conversion<IntermediateRep>(from.count(), ec);
if (ec) {
return {};
}
// multiply with Factor::num without overflow or underflow
if (Factor::num != 1) {
constexpr auto max1 = std::numeric_limits<IntermediateRep>::max() /
static_cast<IntermediateRep>(Factor::num);
if (count > max1) {
ec = 1;
return {};
}
constexpr auto min1 = std::numeric_limits<IntermediateRep>::lowest() /
static_cast<IntermediateRep>(Factor::num);
if (count < min1) {
ec = 1;
return {};
}
count *= static_cast<IntermediateRep>(Factor::num);
}
// this can't go wrong, right? den>0 is checked earlier.
if (Factor::den != 1) {
using common_t = typename std::common_type<IntermediateRep, intmax_t>::type;
count /= static_cast<common_t>(Factor::den);
}
// convert to the to type, safely
using ToRep = typename To::rep;
const ToRep tocount = safe_float_conversion<ToRep>(count, ec);
if (ec) {
return {};
}
return To{tocount};
}
} // namespace safe_duration_cast
FMT_END_NAMESPACE

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//
// Copyright(c) 2016-2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// Include a bundled header-only copy of fmtlib or an external one.
// By default spdlog include its own copy.
//
#if !defined(SPDLOG_FMT_EXTERNAL)
#ifdef SPDLOG_HEADER_ONLY
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
#endif
#endif
#ifndef FMT_USE_WINDOWS_H
#define FMT_USE_WINDOWS_H 0
#endif
#include "bundled/core.h"
#include "bundled/format.h"
#else // SPDLOG_FMT_EXTERNAL is defined - use external fmtlib
#include "fmt/core.h"
#include "fmt/format.h"
#endif

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//
// Copyright(c) 2016 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
//
// include bundled or external copy of fmtlib's ostream support
//
#if !defined(SPDLOG_FMT_EXTERNAL)
#ifndef FMT_HEADER_ONLY
#define FMT_HEADER_ONLY
#endif
#include "bundled/ostream.h"
#include "fmt.h"
#else
#include <fmt/ostream.h>
#endif

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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 "fmt/fmt.h"
#include "spdlog/details/log_msg.h"
namespace spdlog {
class formatter
{
public:
virtual ~formatter() = default;
virtual void format(const details::log_msg &msg, memory_buf_t &dest) = 0;
virtual std::unique_ptr<formatter> clone() const = 0;
};
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/logger.h"
#endif
#include "spdlog/sinks/sink.h"
#include "spdlog/details/backtracer.h"
#include "spdlog/details/pattern_formatter.h"
#include <cstdio>
namespace spdlog {
// public methods
SPDLOG_INLINE logger::logger(const logger &other)
: name_(other.name_)
, sinks_(other.sinks_)
, level_(other.level_.load(std::memory_order_relaxed))
, flush_level_(other.flush_level_.load(std::memory_order_relaxed))
, custom_err_handler_(other.custom_err_handler_)
, tracer_(other.tracer_)
{}
SPDLOG_INLINE logger::logger(logger &&other) SPDLOG_NOEXCEPT : name_(std::move(other.name_)),
sinks_(std::move(other.sinks_)),
level_(other.level_.load(std::memory_order_relaxed)),
flush_level_(other.flush_level_.load(std::memory_order_relaxed)),
custom_err_handler_(std::move(other.custom_err_handler_)),
tracer_(std::move(other.tracer_))
{}
SPDLOG_INLINE logger &logger::operator=(logger other) SPDLOG_NOEXCEPT
{
this->swap(other);
return *this;
}
SPDLOG_INLINE void logger::swap(spdlog::logger &other) SPDLOG_NOEXCEPT
{
name_.swap(other.name_);
sinks_.swap(other.sinks_);
// swap level_
auto other_level = other.level_.load();
auto my_level = level_.exchange(other_level);
other.level_.store(my_level);
// swap flush level_
other_level = other.flush_level_.load();
my_level = flush_level_.exchange(other_level);
other.flush_level_.store(my_level);
custom_err_handler_.swap(other.custom_err_handler_);
std::swap(tracer_, other.tracer_);
}
SPDLOG_INLINE void swap(logger &a, logger &b)
{
a.swap(b);
}
SPDLOG_INLINE bool logger::should_log(level::level_enum msg_level) const
{
return msg_level >= level_.load(std::memory_order_relaxed);
}
SPDLOG_INLINE void logger::set_level(level::level_enum log_level)
{
level_.store(log_level);
}
SPDLOG_INLINE level::level_enum logger::level() const
{
return static_cast<level::level_enum>(level_.load(std::memory_order_relaxed));
}
SPDLOG_INLINE const std::string &logger::name() const
{
return name_;
}
// set formatting for the sinks in this logger.
// each sink will get a seperate instance of the formatter object.
SPDLOG_INLINE void logger::set_formatter(std::unique_ptr<formatter> f)
{
for (auto it = sinks_.begin(); it != sinks_.end(); ++it)
{
if (std::next(it) == sinks_.end())
{
// last element - we can be move it.
(*it)->set_formatter(std::move(f));
}
else
{
(*it)->set_formatter(f->clone());
}
}
}
SPDLOG_INLINE void logger::set_pattern(std::string pattern, pattern_time_type time_type)
{
auto new_formatter = details::make_unique<pattern_formatter>(std::move(pattern), time_type);
set_formatter(std::move(new_formatter));
}
// create new backtrace sink and move to it all our child sinks
SPDLOG_INLINE void logger::enable_backtrace(size_t n_messages)
{
tracer_.enable(n_messages);
}
// restore orig sinks and level and delete the backtrace sink
SPDLOG_INLINE void logger::disable_backtrace()
{
tracer_.disable();
}
SPDLOG_INLINE void logger::dump_backtrace()
{
dump_backtrace_();
}
// flush functions
SPDLOG_INLINE void logger::flush()
{
flush_();
}
SPDLOG_INLINE void logger::flush_on(level::level_enum log_level)
{
flush_level_.store(log_level);
}
SPDLOG_INLINE level::level_enum logger::flush_level() const
{
return static_cast<level::level_enum>(flush_level_.load(std::memory_order_relaxed));
}
// sinks
SPDLOG_INLINE const std::vector<sink_ptr> &logger::sinks() const
{
return sinks_;
}
SPDLOG_INLINE std::vector<sink_ptr> &logger::sinks()
{
return sinks_;
}
// error handler
SPDLOG_INLINE void logger::set_error_handler(err_handler handler)
{
custom_err_handler_ = handler;
}
// create new logger with same sinks and configuration.
SPDLOG_INLINE std::shared_ptr<logger> logger::clone(std::string logger_name)
{
auto cloned = std::make_shared<logger>(*this);
cloned->name_ = std::move(logger_name);
return cloned;
}
// protected methods
SPDLOG_INLINE void logger::sink_it_(const details::log_msg &msg)
{
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
{
SPDLOG_TRY
{
sink->log(msg);
}
SPDLOG_LOGGER_CATCH()
}
}
if (should_flush_(msg))
{
flush_();
}
}
SPDLOG_INLINE void logger::flush_()
{
for (auto &sink : sinks_)
{
SPDLOG_TRY
{
sink->flush();
}
SPDLOG_LOGGER_CATCH()
}
}
SPDLOG_INLINE void logger::dump_backtrace_()
{
using details::log_msg;
if (tracer_)
{
sink_it_(log_msg{name(), level::info, "****************** Backtrace Start ******************"});
tracer_.foreach_pop([this](const log_msg &msg) { this->sink_it_(msg); });
sink_it_(log_msg{name(), level::info, "****************** Backtrace End ********************"});
}
}
SPDLOG_INLINE bool logger::should_flush_(const details::log_msg &msg)
{
auto flush_level = flush_level_.load(std::memory_order_relaxed);
return (msg.level >= flush_level) && (msg.level != level::off);
}
SPDLOG_INLINE void logger::err_handler_(const std::string &msg)
{
if (custom_err_handler_)
{
custom_err_handler_(msg);
}
else
{
using std::chrono::system_clock;
static std::mutex mutex;
static std::chrono::system_clock::time_point last_report_time;
static size_t err_counter = 0;
std::lock_guard<std::mutex> lk{mutex};
auto now = system_clock::now();
err_counter++;
if (now - last_report_time < std::chrono::seconds(1))
{
return;
}
last_report_time = now;
auto tm_time = details::os::localtime(system_clock::to_time_t(now));
char date_buf[64];
std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
fprintf(stderr, "[*** LOG ERROR #%04zu ***] [%s] [%s] {%s}\n", err_counter, date_buf, name().c_str(), msg.c_str());
}
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
// Thread safe logger (except for set_error_handler())
// Has name, log level, vector of std::shared sink pointers and formatter
// Upon each log write the logger:
// 1. Checks if its log level is enough to log the message and if yes:
// 2. Call the underlying sinks to do the job.
// 3. Each sink use its own private copy of a formatter to format the message
// and send to its destination.
//
// The use of private formatter per sink provides the opportunity to cache some
// formatted data, and support for different format per sink.
#include "spdlog/common.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/details/backtracer.h"
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#include "spdlog/details/os.h"
#endif
#include <vector>
#ifndef SPDLOG_NO_EXCEPTIONS
#define SPDLOG_LOGGER_CATCH() \
catch (const std::exception &ex) \
{ \
err_handler_(ex.what()); \
} \
catch (...) \
{ \
err_handler_("Unknown exception in logger"); \
}
#else
#define SPDLOG_LOGGER_CATCH()
#endif
namespace spdlog {
class logger
{
public:
// Empty logger
explicit logger(std::string name)
: name_(std::move(name))
, sinks_()
{}
// Logger with range on sinks
template<typename It>
logger(std::string name, It begin, It end)
: name_(std::move(name))
, sinks_(begin, end)
{}
// Logger with single sink
logger(std::string name, sink_ptr single_sink)
: logger(std::move(name), {std::move(single_sink)})
{}
// Logger with sinks init list
logger(std::string name, sinks_init_list sinks)
: logger(std::move(name), sinks.begin(), sinks.end())
{}
virtual ~logger() = default;
logger(const logger &other);
logger(logger &&other) SPDLOG_NOEXCEPT;
logger &operator=(logger other) SPDLOG_NOEXCEPT;
void swap(spdlog::logger &other) SPDLOG_NOEXCEPT;
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, string_view_t fmt, const Args &... args)
{
auto level_enabled = should_log(lvl);
if (!level_enabled && !tracer_)
{
return;
}
SPDLOG_TRY
{
memory_buf_t buf;
fmt::format_to(buf, fmt, args...);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
if (level_enabled)
{
sink_it_(log_msg);
}
if (tracer_)
{
tracer_.push_back(log_msg);
}
}
SPDLOG_LOGGER_CATCH()
}
template<typename... Args>
void log(level::level_enum lvl, string_view_t fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
void trace(string_view_t fmt, const Args &... args)
{
log(level::trace, fmt, args...);
}
template<typename... Args>
void debug(string_view_t fmt, const Args &... args)
{
log(level::debug, fmt, args...);
}
template<typename... Args>
void info(string_view_t fmt, const Args &... args)
{
log(level::info, fmt, args...);
}
template<typename... Args>
void warn(string_view_t fmt, const Args &... args)
{
log(level::warn, fmt, args...);
}
template<typename... Args>
void error(string_view_t fmt, const Args &... args)
{
log(level::err, fmt, args...);
}
template<typename... Args>
void critical(string_view_t fmt, const Args &... args)
{
log(level::critical, fmt, args...);
}
template<typename T>
void log(level::level_enum lvl, const T &msg)
{
log(source_loc{}, lvl, msg);
}
// T can be statically converted to string_view
template<class T, typename std::enable_if<std::is_convertible<const T &, spdlog::string_view_t>::value, T>::type * = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
auto level_enabled = should_log(lvl);
if (!level_enabled && !tracer_)
{
return;
}
SPDLOG_TRY
{
details::log_msg log_msg(loc, name_, lvl, msg);
if (level_enabled)
{
sink_it_(log_msg);
}
if (tracer_)
{
tracer_.push_back(log_msg);
}
}
SPDLOG_LOGGER_CATCH()
}
void log(level::level_enum lvl, string_view_t msg)
{
log(source_loc{}, lvl, msg);
}
// T cannot be statically converted to string_view or wstring_view
template<class T, typename std::enable_if<!std::is_convertible<const T &, spdlog::string_view_t>::value &&
!is_convertible_to_wstring_view<const T &>::value,
T>::type * = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
log(loc, lvl, "{}", msg);
}
template<typename T>
void trace(const T &msg)
{
log(level::trace, msg);
}
template<typename T>
void debug(const T &msg)
{
log(level::debug, msg);
}
template<typename T>
void info(const T &msg)
{
log(level::info, msg);
}
template<typename T>
void warn(const T &msg)
{
log(level::warn, msg);
}
template<typename T>
void error(const T &msg)
{
log(level::err, msg);
}
template<typename T>
void critical(const T &msg)
{
log(level::critical, msg);
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
#ifndef _WIN32
#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
#else
template<typename... Args>
void log(source_loc loc, level::level_enum lvl, wstring_view_t fmt, const Args &... args)
{
auto level_enabled = should_log(lvl);
if (!level_enabled && !tracer_)
{
return;
}
SPDLOG_TRY
{
// format to wmemory_buffer and convert to utf8
fmt::wmemory_buffer wbuf;
fmt::format_to(wbuf, fmt, args...);
memory_buf_t buf;
details::os::wstr_to_utf8buf(wstring_view_t(wbuf.data(), wbuf.size()), buf);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
if (level_enabled)
{
sink_it_(log_msg);
}
if (tracer_)
{
tracer_.push_back(log_msg);
}
}
SPDLOG_LOGGER_CATCH()
}
template<typename... Args>
void log(level::level_enum lvl, wstring_view_t fmt, const Args &... args)
{
log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
void trace(wstring_view_t fmt, const Args &... args)
{
log(level::trace, fmt, args...);
}
template<typename... Args>
void debug(wstring_view_t fmt, const Args &... args)
{
log(level::debug, fmt, args...);
}
template<typename... Args>
void info(wstring_view_t fmt, const Args &... args)
{
log(level::info, fmt, args...);
}
template<typename... Args>
void warn(wstring_view_t fmt, const Args &... args)
{
log(level::warn, fmt, args...);
}
template<typename... Args>
void error(wstring_view_t fmt, const Args &... args)
{
log(level::err, fmt, args...);
}
template<typename... Args>
void critical(wstring_view_t fmt, const Args &... args)
{
log(level::critical, fmt, args...);
}
// T can be statically converted to wstring_view
template<class T, typename std::enable_if<is_convertible_to_wstring_view<const T &>::value, T>::type * = nullptr>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
if (!should_log(lvl))
{
return;
}
try
{
memory_buf_t buf;
details::os::wstr_to_utf8buf(msg, buf);
details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));
sink_it_(log_msg);
}
SPDLOG_LOGGER_CATCH()
}
#endif // _WIN32
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
bool should_log(level::level_enum msg_level) const;
void set_level(level::level_enum log_level);
level::level_enum level() const;
const std::string &name() const;
// set formatting for the sinks in this logger.
// each sink will get a seperate instance of the formatter object.
void set_formatter(std::unique_ptr<formatter> f);
void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local);
// backtrace support.
// efficiently store all debug/trace messages in a circular buffer until needed for debugging.
void enable_backtrace(size_t n_messages);
void disable_backtrace();
void dump_backtrace();
// flush functions
void flush();
void flush_on(level::level_enum log_level);
level::level_enum flush_level() const;
// sinks
const std::vector<sink_ptr> &sinks() const;
std::vector<sink_ptr> &sinks();
// error handler
void set_error_handler(err_handler);
// create new logger with same sinks and configuration.
virtual std::shared_ptr<logger> clone(std::string logger_name);
protected:
std::string name_;
std::vector<sink_ptr> sinks_;
spdlog::level_t level_{level::info};
spdlog::level_t flush_level_{level::off};
err_handler custom_err_handler_{nullptr};
details::backtracer tracer_;
virtual void sink_it_(const details::log_msg &msg);
virtual void flush_();
void dump_backtrace_();
bool should_flush_(const details::log_msg &msg);
// handle errors during logging.
// default handler prints the error to stderr at max rate of 1 message/sec.
void err_handler_(const std::string &msg);
};
void swap(logger &a, logger &b);
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "logger-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifdef __ANDROID__
#include "spdlog/details/fmt_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/details/os.h"
#include "spdlog/sinks/base_sink.h"
#include "spdlog/details/synchronous_factory.h"
#include <android/log.h>
#include <chrono>
#include <mutex>
#include <string>
#include <thread>
#if !defined(SPDLOG_ANDROID_RETRIES)
#define SPDLOG_ANDROID_RETRIES 2
#endif
namespace spdlog {
namespace sinks {
/*
* Android sink (logging using __android_log_write)
*/
template<typename Mutex>
class android_sink final : public base_sink<Mutex>
{
public:
explicit android_sink(std::string tag = "spdlog", bool use_raw_msg = false)
: tag_(std::move(tag))
, use_raw_msg_(use_raw_msg)
{}
protected:
void sink_it_(const details::log_msg &msg) override
{
const android_LogPriority priority = convert_to_android_(msg.level);
memory_buf_t formatted;
if (use_raw_msg_)
{
details::fmt_helper::append_string_view(msg.payload, formatted);
}
else
{
base_sink<Mutex>::formatter_->format(msg, formatted);
}
formatted.push_back('\0');
const char *msg_output = formatted.data();
// See system/core/liblog/logger_write.c for explanation of return value
int ret = __android_log_write(priority, tag_.c_str(), msg_output);
int retry_count = 0;
while ((ret == -11 /*EAGAIN*/) && (retry_count < SPDLOG_ANDROID_RETRIES))
{
details::os::sleep_for_millis(5);
ret = __android_log_write(priority, tag_.c_str(), msg_output);
retry_count++;
}
if (ret < 0)
{
SPDLOG_THROW(spdlog_ex("__android_log_write() failed", ret));
}
}
void flush_() override {}
private:
static android_LogPriority convert_to_android_(spdlog::level::level_enum level)
{
switch (level)
{
case spdlog::level::trace:
return ANDROID_LOG_VERBOSE;
case spdlog::level::debug:
return ANDROID_LOG_DEBUG;
case spdlog::level::info:
return ANDROID_LOG_INFO;
case spdlog::level::warn:
return ANDROID_LOG_WARN;
case spdlog::level::err:
return ANDROID_LOG_ERROR;
case spdlog::level::critical:
return ANDROID_LOG_FATAL;
default:
return ANDROID_LOG_DEFAULT;
}
}
std::string tag_;
bool use_raw_msg_;
};
using android_sink_mt = android_sink<std::mutex>;
using android_sink_st = android_sink<details::null_mutex>;
} // namespace sinks
// Create and register android syslog logger
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> android_logger_mt(const std::string &logger_name, const std::string &tag = "spdlog")
{
return Factory::template create<sinks::android_sink_mt>(logger_name, tag);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> android_logger_st(const std::string &logger_name, const std::string &tag = "spdlog")
{
return Factory::template create<sinks::android_sink_st>(logger_name, tag);
}
} // namespace spdlog
#endif // __ANDROID__

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/sinks/ansicolor_sink.h"
#endif
#include "spdlog/details/pattern_formatter.h"
#include "spdlog/details/os.h"
namespace spdlog {
namespace sinks {
template<typename ConsoleMutex>
SPDLOG_INLINE ansicolor_sink<ConsoleMutex>::ansicolor_sink(FILE *target_file, color_mode mode)
: target_file_(target_file)
, mutex_(ConsoleMutex::mutex())
, formatter_(details::make_unique<spdlog::pattern_formatter>())
{
set_color_mode(mode);
colors_[level::trace] = white;
colors_[level::debug] = cyan;
colors_[level::info] = green;
colors_[level::warn] = yellow_bold;
colors_[level::err] = red_bold;
colors_[level::critical] = bold_on_red;
colors_[level::off] = reset;
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::set_color(level::level_enum color_level, string_view_t color)
{
std::lock_guard<mutex_t> lock(mutex_);
colors_[color_level] = color;
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::log(const details::log_msg &msg)
{
// Wrap the originally formatted message in color codes.
// If color is not supported in the terminal, log as is instead.
std::lock_guard<mutex_t> lock(mutex_);
memory_buf_t formatted;
formatter_->format(msg, formatted);
if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
{
// before color range
print_range_(formatted, 0, msg.color_range_start);
// in color range
print_ccode_(colors_[msg.level]);
print_range_(formatted, msg.color_range_start, msg.color_range_end);
print_ccode_(reset);
// after color range
print_range_(formatted, msg.color_range_end, formatted.size());
}
else // no color
{
print_range_(formatted, 0, formatted.size());
}
fflush(target_file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::flush()
{
std::lock_guard<mutex_t> lock(mutex_);
fflush(target_file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::set_pattern(const std::string &pattern)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
template<typename ConsoleMutex>
SPDLOG_INLINE bool ansicolor_sink<ConsoleMutex>::should_color()
{
return should_do_colors_;
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::set_color_mode(color_mode mode)
{
switch (mode)
{
case color_mode::always:
should_do_colors_ = true;
return;
case color_mode::automatic:
should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
return;
case color_mode::never:
should_do_colors_ = false;
return;
}
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::print_ccode_(const string_view_t &color_code)
{
fwrite(color_code.data(), sizeof(string_view_t::char_type), color_code.size(), target_file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void ansicolor_sink<ConsoleMutex>::print_range_(const memory_buf_t &formatted, size_t start, size_t end)
{
fwrite(formatted.data() + start, sizeof(char), end - start, target_file_);
}
// ansicolor_stdout_sink
template<typename ConsoleMutex>
SPDLOG_INLINE ansicolor_stdout_sink<ConsoleMutex>::ansicolor_stdout_sink(color_mode mode)
: ansicolor_sink<ConsoleMutex>(stdout, mode)
{}
// ansicolor_stderr_sink
template<typename ConsoleMutex>
SPDLOG_INLINE ansicolor_stderr_sink<ConsoleMutex>::ansicolor_stderr_sink(color_mode mode)
: ansicolor_sink<ConsoleMutex>(stderr, mode)
{}
} // namespace sinks
} // namespace spdlog

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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/console_globals.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/sink.h"
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
namespace spdlog {
namespace sinks {
/**
* This sink prefixes the output with an ANSI escape sequence color code
* depending on the severity
* of the message.
* If no color terminal detected, omit the escape codes.
*/
template<typename ConsoleMutex>
class ansicolor_sink : public sink
{
public:
using mutex_t = typename ConsoleMutex::mutex_t;
ansicolor_sink(FILE *target_file, color_mode mode);
~ansicolor_sink() override = default;
ansicolor_sink(const ansicolor_sink &other) = delete;
ansicolor_sink &operator=(const ansicolor_sink &other) = delete;
void set_color(level::level_enum color_level, string_view_t color);
void set_color_mode(color_mode mode);
bool should_color();
void log(const details::log_msg &msg) override;
void flush() override;
void set_pattern(const std::string &pattern) final;
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override;
// Formatting codes
const string_view_t reset = "\033[m";
const string_view_t bold = "\033[1m";
const string_view_t dark = "\033[2m";
const string_view_t underline = "\033[4m";
const string_view_t blink = "\033[5m";
const string_view_t reverse = "\033[7m";
const string_view_t concealed = "\033[8m";
const string_view_t clear_line = "\033[K";
// Foreground colors
const string_view_t black = "\033[30m";
const string_view_t red = "\033[31m";
const string_view_t green = "\033[32m";
const string_view_t yellow = "\033[33m";
const string_view_t blue = "\033[34m";
const string_view_t magenta = "\033[35m";
const string_view_t cyan = "\033[36m";
const string_view_t white = "\033[37m";
/// Background colors
const string_view_t on_black = "\033[40m";
const string_view_t on_red = "\033[41m";
const string_view_t on_green = "\033[42m";
const string_view_t on_yellow = "\033[43m";
const string_view_t on_blue = "\033[44m";
const string_view_t on_magenta = "\033[45m";
const string_view_t on_cyan = "\033[46m";
const string_view_t on_white = "\033[47m";
/// Bold colors
const string_view_t yellow_bold = "\033[33m\033[1m";
const string_view_t red_bold = "\033[31m\033[1m";
const string_view_t bold_on_red = "\033[1m\033[41m";
private:
FILE *target_file_;
mutex_t &mutex_;
bool should_do_colors_;
std::unique_ptr<spdlog::formatter> formatter_;
std::unordered_map<level::level_enum, string_view_t, level::level_hasher> colors_;
void print_ccode_(const string_view_t &color_code);
void print_range_(const memory_buf_t &formatted, size_t start, size_t end);
};
template<typename ConsoleMutex>
class ansicolor_stdout_sink : public ansicolor_sink<ConsoleMutex>
{
public:
explicit ansicolor_stdout_sink(color_mode mode = color_mode::automatic);
};
template<typename ConsoleMutex>
class ansicolor_stderr_sink : public ansicolor_sink<ConsoleMutex>
{
public:
explicit ansicolor_stderr_sink(color_mode mode = color_mode::automatic);
};
using ansicolor_stdout_sink_mt = ansicolor_stdout_sink<details::console_mutex>;
using ansicolor_stdout_sink_st = ansicolor_stdout_sink<details::console_nullmutex>;
using ansicolor_stderr_sink_mt = ansicolor_stderr_sink<details::console_mutex>;
using ansicolor_stderr_sink_st = ansicolor_stderr_sink<details::console_nullmutex>;
} // namespace sinks
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "ansicolor_sink-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/sinks/base_sink.h"
#endif
#include "spdlog/common.h"
#include "spdlog/details/pattern_formatter.h"
#include <memory>
template<typename Mutex>
SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::base_sink()
: formatter_{details::make_unique<spdlog::pattern_formatter>()}
{}
template<typename Mutex>
SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::base_sink(std::unique_ptr<spdlog::formatter> formatter)
: formatter_{std::move(formatter)}
{}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::log(const details::log_msg &msg)
{
std::lock_guard<Mutex> lock(mutex_);
sink_it_(msg);
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::flush()
{
std::lock_guard<Mutex> lock(mutex_);
flush_();
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_pattern(const std::string &pattern)
{
std::lock_guard<Mutex> lock(mutex_);
set_pattern_(pattern);
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
{
std::lock_guard<Mutex> lock(mutex_);
set_formatter_(std::move(sink_formatter));
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_pattern_(const std::string &pattern)
{
set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
}
template<typename Mutex>
void SPDLOG_INLINE spdlog::sinks::base_sink<Mutex>::set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter)
{
formatter_ = std::move(sink_formatter);
}

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
//
// base sink templated over a mutex (either dummy or real)
// concrete implementation should override the sink_it_() and flush_() methods.
// locking is taken care of in this class - no locking needed by the
// implementers..
//
#include "spdlog/common.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/sinks/sink.h"
namespace spdlog {
namespace sinks {
template<typename Mutex>
class base_sink : public sink
{
public:
base_sink();
explicit base_sink(std::unique_ptr<spdlog::formatter> formatter);
base_sink(const base_sink &) = delete;
base_sink &operator=(const base_sink &) = delete;
void log(const details::log_msg &msg) final;
void flush() final;
void set_pattern(const std::string &pattern) final;
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) final;
protected:
// sink formatter
std::unique_ptr<spdlog::formatter> formatter_;
Mutex mutex_;
virtual void sink_it_(const details::log_msg &msg) = 0;
virtual void flush_() = 0;
virtual void set_pattern_(const std::string &pattern);
virtual void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter);
};
} // namespace sinks
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "base_sink-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/sinks/basic_file_sink.h"
#endif
#include "spdlog/common.h"
#include "spdlog/details/os.h"
namespace spdlog {
namespace sinks {
template<typename Mutex>
SPDLOG_INLINE basic_file_sink<Mutex>::basic_file_sink(const filename_t &filename, bool truncate)
{
file_helper_.open(filename, truncate);
}
template<typename Mutex>
SPDLOG_INLINE const filename_t &basic_file_sink<Mutex>::filename() const
{
return file_helper_.filename();
}
template<typename Mutex>
SPDLOG_INLINE void basic_file_sink<Mutex>::sink_it_(const details::log_msg &msg)
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
file_helper_.write(formatted);
}
template<typename Mutex>
SPDLOG_INLINE void basic_file_sink<Mutex>::flush_()
{
file_helper_.flush();
}
} // namespace sinks
} // namespace spdlog

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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/file_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/base_sink.h"
#include "spdlog/details/synchronous_factory.h"
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* Trivial file sink with single file as target
*/
template<typename Mutex>
class basic_file_sink final : public base_sink<Mutex>
{
public:
explicit basic_file_sink(const filename_t &filename, bool truncate = false);
const filename_t &filename() const;
protected:
void sink_it_(const details::log_msg &msg) override;
void flush_() override;
private:
details::file_helper file_helper_;
};
using basic_file_sink_mt = basic_file_sink<std::mutex>;
using basic_file_sink_st = basic_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> basic_logger_mt(const std::string &logger_name, const filename_t &filename, bool truncate = false)
{
return Factory::template create<sinks::basic_file_sink_mt>(logger_name, filename, truncate);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> basic_logger_st(const std::string &logger_name, const filename_t &filename, bool truncate = false)
{
return Factory::template create<sinks::basic_file_sink_st>(logger_name, filename, truncate);
}
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "basic_file_sink-inl.h"
#endif

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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/common.h"
#include "spdlog/details/file_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/fmt/fmt.h"
#include "spdlog/sinks/base_sink.h"
#include "spdlog/details/os.h"
#include "spdlog/details/synchronous_factory.h"
#include <chrono>
#include <cstdio>
#include <ctime>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* Generator of daily log file names in format basename.YYYY-MM-DD.ext
*/
struct daily_filename_calculator
{
// Create filename for the form basename.YYYY-MM-DD
static filename_t calc_filename(const filename_t &filename, const tm &now_tm)
{
filename_t basename, ext;
std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
return fmt::format(
SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
}
};
/*
* Rotating file sink based on date.
* If truncate != false , the created file will be truncated.
* If max_files > 0, retain only the last max_files and delete previous.
*/
template<typename Mutex, typename FileNameCalc = daily_filename_calculator>
class daily_file_sink final : public base_sink<Mutex>
{
public:
// create daily file sink which rotates on given time
daily_file_sink(filename_t base_filename, int rotation_hour, int rotation_minute, bool truncate = false, uint16_t max_files = 0)
: base_filename_(std::move(base_filename))
, rotation_h_(rotation_hour)
, rotation_m_(rotation_minute)
, truncate_(truncate)
, max_files_(max_files)
, filenames_q_()
{
if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
{
SPDLOG_THROW(spdlog_ex("daily_file_sink: Invalid rotation time in ctor"));
}
auto now = log_clock::now();
auto filename = FileNameCalc::calc_filename(base_filename_, now_tm(now));
file_helper_.open(filename, truncate_);
rotation_tp_ = next_rotation_tp_();
if (max_files_ > 0)
{
filenames_q_ = details::circular_q<filename_t>(static_cast<size_t>(max_files_));
filenames_q_.push_back(std::move(filename));
}
}
const filename_t &filename() const
{
return file_helper_.filename();
}
protected:
void sink_it_(const details::log_msg &msg) override
{
#ifdef SPDLOG_NO_DATETIME
auto time = log_clock::now();
#else
auto time = msg.time;
#endif
bool should_rotate = time >= rotation_tp_;
if (should_rotate)
{
auto filename = FileNameCalc::calc_filename(base_filename_, now_tm(time));
file_helper_.open(filename, truncate_);
rotation_tp_ = next_rotation_tp_();
}
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
file_helper_.write(formatted);
// Do the cleaning ony at the end because it might throw on failure.
if (should_rotate && max_files_ > 0)
{
delete_old_();
}
}
void flush_() override
{
file_helper_.flush();
}
private:
tm now_tm(log_clock::time_point tp)
{
time_t tnow = log_clock::to_time_t(tp);
return spdlog::details::os::localtime(tnow);
}
log_clock::time_point next_rotation_tp_()
{
auto now = log_clock::now();
tm date = now_tm(now);
date.tm_hour = rotation_h_;
date.tm_min = rotation_m_;
date.tm_sec = 0;
auto rotation_time = log_clock::from_time_t(std::mktime(&date));
if (rotation_time > now)
{
return rotation_time;
}
return {rotation_time + std::chrono::hours(24)};
}
// Delete the file N rotations ago.
// Throw spdlog_ex on failure to delete the old file.
void delete_old_()
{
using details::os::filename_to_str;
using details::os::remove_if_exists;
filename_t current_file = filename();
if (filenames_q_.full())
{
auto old_filename = std::move(filenames_q_.front());
filenames_q_.pop_front();
bool ok = remove_if_exists(old_filename) == 0;
if (!ok)
{
filenames_q_.push_back(std::move(current_file));
SPDLOG_THROW(spdlog_ex("Failed removing daily file " + filename_to_str(old_filename), errno));
}
}
filenames_q_.push_back(std::move(current_file));
}
filename_t base_filename_;
int rotation_h_;
int rotation_m_;
log_clock::time_point rotation_tp_;
details::file_helper file_helper_;
bool truncate_;
uint16_t max_files_;
details::circular_q<filename_t> filenames_q_;
};
using daily_file_sink_mt = daily_file_sink<std::mutex>;
using daily_file_sink_st = daily_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> daily_logger_mt(
const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false)
{
return Factory::template create<sinks::daily_file_sink_mt>(logger_name, filename, hour, minute, truncate);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> daily_logger_st(
const std::string &logger_name, const filename_t &filename, int hour = 0, int minute = 0, bool truncate = false)
{
return Factory::template create<sinks::daily_file_sink_st>(logger_name, filename, hour, minute, truncate);
}
} // namespace spdlog

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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 "base_sink.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/details/pattern_formatter.h"
#include <algorithm>
#include <memory>
#include <mutex>
#include <vector>
// Distribution sink (mux). Stores a vector of sinks which get called when log
// is called
namespace spdlog {
namespace sinks {
template<typename Mutex>
class dist_sink : public base_sink<Mutex>
{
public:
dist_sink() = default;
dist_sink(const dist_sink &) = delete;
dist_sink &operator=(const dist_sink &) = delete;
void add_sink(std::shared_ptr<sink> sink)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_.push_back(sink);
}
void remove_sink(std::shared_ptr<sink> sink)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_.erase(std::remove(sinks_.begin(), sinks_.end(), sink), sinks_.end());
}
void set_sinks(std::vector<std::shared_ptr<sink>> sinks)
{
std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
sinks_ = std::move(sinks);
}
std::vector<std::shared_ptr<sink>> &sinks()
{
return sinks_;
}
protected:
void sink_it_(const details::log_msg &msg) override
{
for (auto &sink : sinks_)
{
if (sink->should_log(msg.level))
{
sink->log(msg);
}
}
}
void flush_() override
{
for (auto &sink : sinks_)
{
sink->flush();
}
}
void set_pattern_(const std::string &pattern) override
{
set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
}
void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter) override
{
base_sink<Mutex>::formatter_ = std::move(sink_formatter);
for (auto &sink : sinks_)
{
sink->set_formatter(base_sink<Mutex>::formatter_->clone());
}
}
std::vector<std::shared_ptr<sink>> sinks_;
};
using dist_sink_mt = dist_sink<std::mutex>;
using dist_sink_st = dist_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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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 "dist_sink.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/details/log_msg.h"
#include <mutex>
#include <string>
#include <chrono>
// Duplicate message removal sink.
// Skip the message if previous one is identical and less than "max_skip_duration" have passed
//
// Example:
//
// #include "spdlog/sinks/dup_filter_sink.h"
//
// int main() {
// auto dup_filter = std::make_shared<dup_filter_sink_st>(std::chrono::seconds(5));
// dup_filter->add_sink(std::make_shared<stdout_color_sink_mt>());
// spdlog::logger l("logger", dup_filter);
// l.info("Hello");
// l.info("Hello");
// l.info("Hello");
// l.info("Different Hello");
// }
//
// Will produce:
// [2019-06-25 17:50:56.511] [logger] [info] Hello
// [2019-06-25 17:50:56.512] [logger] [info] Skipped 3 duplicate messages..
// [2019-06-25 17:50:56.512] [logger] [info] Different Hello
#ifdef SPDLOG_NO_DATETIME
#error "spdlog::sinks::dup_filter_sink: cannot work when SPDLOG_NO_DATETIME is defined"
#endif
namespace spdlog {
namespace sinks {
template<typename Mutex>
class dup_filter_sink : public dist_sink<Mutex>
{
public:
template<class Rep, class Period>
explicit dup_filter_sink(std::chrono::duration<Rep, Period> max_skip_duration)
: max_skip_duration_{max_skip_duration}
{}
protected:
std::chrono::microseconds max_skip_duration_;
log_clock::time_point last_msg_time_;
std::string last_msg_payload_;
size_t skip_counter_ = 0;
void sink_it_(const details::log_msg &msg) override
{
bool filtered = filter_(msg);
if (!filtered)
{
skip_counter_ += 1;
return;
}
// log the "skipped.." message
if (skip_counter_ > 0)
{
memory_buf_t buf;
fmt::format_to(buf, "Skipped {} duplicate messages..", skip_counter_);
details::log_msg skipped_msg{msg.logger_name, msg.level, string_view_t{buf.data(), buf.size()}};
dist_sink<Mutex>::sink_it_(skipped_msg);
}
// log current message
dist_sink<Mutex>::sink_it_(msg);
last_msg_time_ = msg.time;
skip_counter_ = 0;
last_msg_payload_.assign(msg.payload.data(), msg.payload.data() + msg.payload.size());
}
// return whether the log msg should be displayed (true) or skipped (false)
bool filter_(const details::log_msg &msg)
{
auto filter_duration = msg.time - last_msg_time_;
return (filter_duration > max_skip_duration_) || (msg.payload != last_msg_payload_);
}
};
using dup_filter_sink_mt = dup_filter_sink<std::mutex>;
using dup_filter_sink_st = dup_filter_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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// Copyright(c) 2016 Alexander Dalshov.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#if defined(_WIN32)
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/base_sink.h"
#include <winbase.h>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
/*
* MSVC sink (logging using OutputDebugStringA)
*/
template<typename Mutex>
class msvc_sink : public base_sink<Mutex>
{
public:
explicit msvc_sink() {}
protected:
void sink_it_(const details::log_msg &msg) override
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
OutputDebugStringA(fmt::to_string(formatted).c_str());
}
void flush_() override {}
};
using msvc_sink_mt = msvc_sink<std::mutex>;
using msvc_sink_st = msvc_sink<details::null_mutex>;
using windebug_sink_mt = msvc_sink_mt;
using windebug_sink_st = msvc_sink_st;
} // namespace sinks
} // namespace spdlog
#endif

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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/sinks/base_sink.h"
#include "spdlog/details/synchronous_factory.h"
#include <mutex>
namespace spdlog {
namespace sinks {
template<typename Mutex>
class null_sink : public base_sink<Mutex>
{
protected:
void sink_it_(const details::log_msg &) override {}
void flush_() override {}
};
using null_sink_mt = null_sink<details::null_mutex>;
using null_sink_st = null_sink<details::null_mutex>;
} // namespace sinks
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> null_logger_mt(const std::string &logger_name)
{
auto null_logger = Factory::template create<sinks::null_sink_mt>(logger_name);
null_logger->set_level(level::off);
return null_logger;
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> null_logger_st(const std::string &logger_name)
{
auto null_logger = Factory::template create<sinks::null_sink_st>(logger_name);
null_logger->set_level(level::off);
return null_logger;
}
} // namespace spdlog

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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/sinks/base_sink.h"
#include <mutex>
#include <ostream>
namespace spdlog {
namespace sinks {
template<typename Mutex>
class ostream_sink final : public base_sink<Mutex>
{
public:
explicit ostream_sink(std::ostream &os, bool force_flush = false)
: ostream_(os)
, force_flush_(force_flush)
{}
ostream_sink(const ostream_sink &) = delete;
ostream_sink &operator=(const ostream_sink &) = delete;
protected:
void sink_it_(const details::log_msg &msg) override
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
ostream_.write(formatted.data(), static_cast<std::streamsize>(formatted.size()));
if (force_flush_)
{
ostream_.flush();
}
}
void flush_() override
{
ostream_.flush();
}
std::ostream &ostream_;
bool force_flush_;
};
using ostream_sink_mt = ostream_sink<std::mutex>;
using ostream_sink_st = ostream_sink<details::null_mutex>;
} // namespace sinks
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/sinks/rotating_file_sink.h"
#endif
#include "spdlog/common.h"
#include "spdlog/details/file_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/fmt/fmt.h"
#include <cerrno>
#include <chrono>
#include <ctime>
#include <mutex>
#include <string>
#include <tuple>
namespace spdlog {
namespace sinks {
template<typename Mutex>
SPDLOG_INLINE rotating_file_sink<Mutex>::rotating_file_sink(
filename_t base_filename, std::size_t max_size, std::size_t max_files, bool rotate_on_open)
: base_filename_(std::move(base_filename))
, max_size_(max_size)
, max_files_(max_files)
{
file_helper_.open(calc_filename(base_filename_, 0));
current_size_ = file_helper_.size(); // expensive. called only once
if (rotate_on_open && current_size_ > 0)
{
rotate_();
}
}
// calc filename according to index and file extension if exists.
// e.g. calc_filename("logs/mylog.txt, 3) => "logs/mylog.3.txt".
template<typename Mutex>
SPDLOG_INLINE filename_t rotating_file_sink<Mutex>::calc_filename(const filename_t &filename, std::size_t index)
{
if (index == 0u)
{
return 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);
}
template<typename Mutex>
SPDLOG_INLINE const filename_t &rotating_file_sink<Mutex>::filename() const
{
return file_helper_.filename();
}
template<typename Mutex>
SPDLOG_INLINE void rotating_file_sink<Mutex>::sink_it_(const details::log_msg &msg)
{
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
current_size_ += formatted.size();
if (current_size_ > max_size_)
{
rotate_();
current_size_ = formatted.size();
}
file_helper_.write(formatted);
}
template<typename Mutex>
SPDLOG_INLINE void rotating_file_sink<Mutex>::flush_()
{
file_helper_.flush();
}
// Rotate files:
// log.txt -> log.1.txt
// log.1.txt -> log.2.txt
// log.2.txt -> log.3.txt
// log.3.txt -> delete
template<typename Mutex>
SPDLOG_INLINE void rotating_file_sink<Mutex>::rotate_()
{
using details::os::filename_to_str;
file_helper_.close();
for (auto i = max_files_; i > 0; --i)
{
filename_t src = calc_filename(base_filename_, i - 1);
if (!details::file_helper::file_exists(src))
{
continue;
}
filename_t target = calc_filename(base_filename_, i);
if (!rename_file(src, target))
{
// if failed try again after a small delay.
// this is a workaround to a windows issue, where very high rotation
// rates can cause the rename to fail with permission denied (because of antivirus?).
details::os::sleep_for_millis(100);
if (!rename_file(src, target))
{
file_helper_.reopen(true); // truncate the log file anyway to prevent it to grow beyond its limit!
current_size_ = 0;
SPDLOG_THROW(
spdlog_ex("rotating_file_sink: failed renaming " + filename_to_str(src) + " to " + filename_to_str(target), errno));
}
}
}
file_helper_.reopen(true);
}
// delete the target if exists, and rename the src file to target
// return true on success, false otherwise.
template<typename Mutex>
SPDLOG_INLINE bool rotating_file_sink<Mutex>::rename_file(const filename_t &src_filename, const filename_t &target_filename)
{
// try to delete the target file in case it already exists.
(void)details::os::remove(target_filename);
return details::os::rename(src_filename, target_filename) == 0;
}
} // namespace sinks
} // namespace spdlog

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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/sinks/base_sink.h"
#include "spdlog/details/file_helper.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/details/synchronous_factory.h"
#include <chrono>
#include <mutex>
#include <string>
namespace spdlog {
namespace sinks {
//
// Rotating file sink based on size
//
template<typename Mutex>
class rotating_file_sink final : public base_sink<Mutex>
{
public:
rotating_file_sink(filename_t base_filename, std::size_t max_size, std::size_t max_files, bool rotate_on_open = false);
static filename_t calc_filename(const filename_t &filename, std::size_t index);
const filename_t &filename() const;
protected:
void sink_it_(const details::log_msg &msg) override;
void flush_() override;
private:
// Rotate files:
// log.txt -> log.1.txt
// log.1.txt -> log.2.txt
// log.2.txt -> log.3.txt
// log.3.txt -> delete
void rotate_();
// delete the target if exists, and rename the src file to target
// return true on success, false otherwise.
bool rename_file(const filename_t &src_filename, const filename_t &target_filename);
filename_t base_filename_;
std::size_t max_size_;
std::size_t max_files_;
std::size_t current_size_;
details::file_helper file_helper_;
};
using rotating_file_sink_mt = rotating_file_sink<std::mutex>;
using rotating_file_sink_st = rotating_file_sink<details::null_mutex>;
} // namespace sinks
//
// factory functions
//
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> rotating_logger_mt(
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open = false)
{
return Factory::template create<sinks::rotating_file_sink_mt>(logger_name, filename, max_file_size, max_files, rotate_on_open);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> rotating_logger_st(
const std::string &logger_name, const filename_t &filename, size_t max_file_size, size_t max_files, bool rotate_on_open = false)
{
return Factory::template create<sinks::rotating_file_sink_st>(logger_name, filename, max_file_size, max_files, rotate_on_open);
}
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "rotating_file_sink-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/sinks/sink.h"
#endif
#include "spdlog/common.h"
SPDLOG_INLINE bool spdlog::sinks::sink::should_log(spdlog::level::level_enum msg_level) const
{
return msg_level >= level_.load(std::memory_order_relaxed);
}
SPDLOG_INLINE void spdlog::sinks::sink::set_level(level::level_enum log_level)
{
level_.store(log_level, std::memory_order_relaxed);
}
SPDLOG_INLINE spdlog::level::level_enum spdlog::sinks::sink::level() const
{
return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
}

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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/log_msg.h"
#include "spdlog/formatter.h"
namespace spdlog {
namespace sinks {
class sink
{
public:
virtual ~sink() = default;
virtual void log(const details::log_msg &msg) = 0;
virtual void flush() = 0;
virtual void set_pattern(const std::string &pattern) = 0;
virtual void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) = 0;
void set_level(level::level_enum log_level);
level::level_enum level() const;
bool should_log(level::level_enum msg_level) const;
protected:
// sink log level - default is all
level_t level_{level::trace};
};
} // namespace sinks
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "sink-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/sinks/stdout_color_sinks.h"
#endif
#include "spdlog/logger.h"
#include "spdlog/common.h"
namespace spdlog {
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stdout_color_mt(const std::string &logger_name, color_mode mode)
{
return Factory::template create<sinks::stdout_color_sink_mt>(logger_name, mode);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stdout_color_st(const std::string &logger_name, color_mode mode)
{
return Factory::template create<sinks::stdout_color_sink_st>(logger_name, mode);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stderr_color_mt(const std::string &logger_name, color_mode mode)
{
return Factory::template create<sinks::stderr_color_sink_mt>(logger_name, mode);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stderr_color_st(const std::string &logger_name, color_mode mode)
{
return Factory::template create<sinks::stderr_color_sink_st>(logger_name, mode);
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifdef _WIN32
#include "spdlog/sinks/wincolor_sink.h"
#else
#include "spdlog/sinks/ansicolor_sink.h"
#endif
#include "spdlog/details/synchronous_factory.h"
namespace spdlog {
namespace sinks {
#ifdef _WIN32
using stdout_color_sink_mt = wincolor_stdout_sink_mt;
using stdout_color_sink_st = wincolor_stdout_sink_st;
using stderr_color_sink_mt = wincolor_stderr_sink_mt;
using stderr_color_sink_st = wincolor_stderr_sink_st;
#else
using stdout_color_sink_mt = ansicolor_stdout_sink_mt;
using stdout_color_sink_st = ansicolor_stdout_sink_st;
using stderr_color_sink_mt = ansicolor_stderr_sink_mt;
using stderr_color_sink_st = ansicolor_stderr_sink_st;
#endif
} // namespace sinks
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stdout_color_mt(const std::string &logger_name, color_mode mode = color_mode::automatic);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stdout_color_st(const std::string &logger_name, color_mode mode = color_mode::automatic);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stderr_color_mt(const std::string &logger_name, color_mode mode = color_mode::automatic);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stderr_color_st(const std::string &logger_name, color_mode mode = color_mode::automatic);
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "stdout_color_sinks-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/sinks/stdout_sinks.h"
#endif
#include "spdlog/details/console_globals.h"
#include "spdlog/details/pattern_formatter.h"
#include <memory>
namespace spdlog {
namespace sinks {
template<typename ConsoleMutex>
SPDLOG_INLINE stdout_sink_base<ConsoleMutex>::stdout_sink_base(FILE *file)
: mutex_(ConsoleMutex::mutex())
, file_(file)
, formatter_(details::make_unique<spdlog::pattern_formatter>())
{}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::log(const details::log_msg &msg)
{
std::lock_guard<mutex_t> lock(mutex_);
memory_buf_t formatted;
formatter_->format(msg, formatted);
fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
fflush(file_); // flush every line to terminal
}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::flush()
{
std::lock_guard<mutex_t> lock(mutex_);
fflush(file_);
}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::set_pattern(const std::string &pattern)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
template<typename ConsoleMutex>
SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
// stdout sink
template<typename ConsoleMutex>
SPDLOG_INLINE stdout_sink<ConsoleMutex>::stdout_sink()
: stdout_sink_base<ConsoleMutex>(stdout)
{}
// stderr sink
template<typename ConsoleMutex>
SPDLOG_INLINE stderr_sink<ConsoleMutex>::stderr_sink()
: stdout_sink_base<ConsoleMutex>(stderr)
{}
} // namespace sinks
// factory methods
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stdout_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_sink_mt>(logger_name);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stdout_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::stdout_sink_st>(logger_name);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stderr_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_sink_mt>(logger_name);
}
template<typename Factory>
SPDLOG_INLINE std::shared_ptr<logger> stderr_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::stderr_sink_st>(logger_name);
}
} // namespace spdlog

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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/console_globals.h"
#include "spdlog/details/synchronous_factory.h"
#include "spdlog/sinks/sink.h"
#include <cstdio>
namespace spdlog {
namespace sinks {
template<typename ConsoleMutex>
class stdout_sink_base : public sink
{
public:
using mutex_t = typename ConsoleMutex::mutex_t;
explicit stdout_sink_base(FILE *file);
~stdout_sink_base() override = default;
stdout_sink_base(const stdout_sink_base &other) = delete;
stdout_sink_base &operator=(const stdout_sink_base &other) = delete;
void log(const details::log_msg &msg) override;
void flush() override;
void set_pattern(const std::string &pattern) override;
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override;
protected:
mutex_t &mutex_;
FILE *file_;
std::unique_ptr<spdlog::formatter> formatter_;
};
template<typename ConsoleMutex>
class stdout_sink : public stdout_sink_base<ConsoleMutex>
{
public:
stdout_sink();
};
template<typename ConsoleMutex>
class stderr_sink : public stdout_sink_base<ConsoleMutex>
{
public:
stderr_sink();
};
using stdout_sink_mt = stdout_sink<details::console_mutex>;
using stdout_sink_st = stdout_sink<details::console_nullmutex>;
using stderr_sink_mt = stderr_sink<details::console_mutex>;
using stderr_sink_st = stderr_sink<details::console_nullmutex>;
} // namespace sinks
// factory methods
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stdout_logger_mt(const std::string &logger_name);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stdout_logger_st(const std::string &logger_name);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stderr_logger_mt(const std::string &logger_name);
template<typename Factory = spdlog::synchronous_factory>
std::shared_ptr<logger> stderr_logger_st(const std::string &logger_name);
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "stdout_sinks-inl.h"
#endif

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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/sinks/base_sink.h"
#include "spdlog/details/null_mutex.h"
#include <array>
#include <string>
#include <syslog.h>
namespace spdlog {
namespace sinks {
/**
* Sink that write to syslog using the `syscall()` library call.
*/
template<typename Mutex>
class syslog_sink : public base_sink<Mutex>
{
public:
syslog_sink(std::string ident, int syslog_option, int syslog_facility, bool enable_formatting)
: enable_formatting_{enable_formatting}
, syslog_levels_{{/* spdlog::level::trace */ LOG_DEBUG,
/* spdlog::level::debug */ LOG_DEBUG,
/* spdlog::level::info */ LOG_INFO,
/* spdlog::level::warn */ LOG_WARNING,
/* spdlog::level::err */ LOG_ERR,
/* spdlog::level::critical */ LOG_CRIT,
/* spdlog::level::off */ LOG_INFO}}
, ident_{std::move(ident)}
{
// set ident to be program name if empty
::openlog(ident_.empty() ? nullptr : ident_.c_str(), syslog_option, syslog_facility);
}
~syslog_sink() override
{
::closelog();
}
syslog_sink(const syslog_sink &) = delete;
syslog_sink &operator=(const syslog_sink &) = delete;
protected:
void sink_it_(const details::log_msg &msg) override
{
string_view_t payload;
memory_buf_t formatted;
if (enable_formatting_)
{
base_sink<Mutex>::formatter_->format(msg, formatted);
payload = string_view_t(formatted.data(), formatted.size());
}
else
{
payload = msg.payload;
}
size_t length = payload.size();
// limit to max int
if (length > static_cast<size_t>(std::numeric_limits<int>::max()))
{
length = static_cast<size_t>(std::numeric_limits<int>::max());
}
::syslog(syslog_prio_from_level(msg), "%.*s", static_cast<int>(length), payload.data());
}
void flush_() override {}
bool enable_formatting_ = false;
private:
using levels_array = std::array<int, 7>;
levels_array syslog_levels_;
// must store the ident because the man says openlog might use the pointer as
// is and not a string copy
const std::string ident_;
//
// Simply maps spdlog's log level to syslog priority level.
//
int syslog_prio_from_level(const details::log_msg &msg) const
{
return syslog_levels_.at(static_cast<levels_array::size_type>(msg.level));
}
};
using syslog_sink_mt = syslog_sink<std::mutex>;
using syslog_sink_st = syslog_sink<details::null_mutex>;
} // namespace sinks
// Create and register a syslog logger
template<typename Factory = default_factory>
inline std::shared_ptr<logger> syslog_logger_mt(const std::string &logger_name, const std::string &syslog_ident = "", int syslog_option = 0,
int syslog_facility = LOG_USER, bool enable_formatting = false)
{
return Factory::template create<sinks::syslog_sink_mt>(logger_name, syslog_ident, syslog_option, syslog_facility, enable_formatting);
}
template<typename Factory = default_factory>
inline std::shared_ptr<logger> syslog_logger_st(const std::string &logger_name, const std::string &syslog_ident = "", int syslog_option = 0,
int syslog_facility = LOG_USER, bool enable_formatting = false)
{
return Factory::template create<sinks::syslog_sink_st>(logger_name, syslog_ident, syslog_option, syslog_facility, enable_formatting);
}
} // namespace spdlog

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// Copyright(c) 2019 ZVYAGIN.Alexander@gmail.com
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#include "spdlog/sinks/base_sink.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/details/synchronous_factory.h"
#include <systemd/sd-journal.h>
namespace spdlog {
namespace sinks {
/**
* Sink that write to systemd journal using the `sd_journal_send()` library call.
*
* Locking is not needed, as `sd_journal_send()` itself is thread-safe.
*/
template<typename Mutex>
class systemd_sink : public base_sink<Mutex>
{
public:
//
systemd_sink()
: syslog_levels_{{/* spdlog::level::trace */ LOG_DEBUG,
/* spdlog::level::debug */ LOG_DEBUG,
/* spdlog::level::info */ LOG_INFO,
/* spdlog::level::warn */ LOG_WARNING,
/* spdlog::level::err */ LOG_ERR,
/* spdlog::level::critical */ LOG_CRIT,
/* spdlog::level::off */ LOG_INFO}}
{}
~systemd_sink() override {}
systemd_sink(const systemd_sink &) = delete;
systemd_sink &operator=(const systemd_sink &) = delete;
protected:
using levels_array = std::array<int, 7>;
levels_array syslog_levels_;
void sink_it_(const details::log_msg &msg) override
{
int err;
size_t length = msg.payload.size();
// limit to max int
if (length > static_cast<size_t>(std::numeric_limits<int>::max()))
{
length = static_cast<size_t>(std::numeric_limits<int>::max());
}
// Do not send source location if not available
if (msg.source.empty())
{
// Note: function call inside '()' to avoid macro expansion
err = (sd_journal_send)(
"MESSAGE=%.*s", static_cast<int>(length), msg.payload.data(), "PRIORITY=%d", syslog_level(msg.level), nullptr);
}
else
{
err = (sd_journal_send)("MESSAGE=%.*s", static_cast<int>(length), msg.payload.data(), "PRIORITY=%d", syslog_level(msg.level),
"SOURCE_FILE=%s", msg.source.filename, "SOURCE_LINE=%d", msg.source.line, "SOURCE_FUNC=%s", msg.source.funcname, nullptr);
}
if (err)
{
SPDLOG_THROW(spdlog_ex("Failed writing to systemd", errno));
}
}
int syslog_level(level::level_enum l)
{
return syslog_levels_.at(static_cast<levels_array::size_type>(l));
}
void flush_() override {}
};
using systemd_sink_mt = systemd_sink<std::mutex>;
using systemd_sink_st = systemd_sink<details::null_mutex>;
} // namespace sinks
// Create and register a syslog logger
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> systemd_logger_mt(const std::string &logger_name)
{
return Factory::template create<sinks::systemd_sink_mt>(logger_name);
}
template<typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> systemd_logger_st(const std::string &logger_name)
{
return Factory::template create<sinks::systemd_sink_st>(logger_name);
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/sinks/wincolor_sink.h"
#endif
#include "spdlog/common.h"
#include "spdlog/details/pattern_formatter.h"
namespace spdlog {
namespace sinks {
template<typename ConsoleMutex>
SPDLOG_INLINE wincolor_sink<ConsoleMutex>::wincolor_sink(HANDLE out_handle, color_mode mode)
: out_handle_(out_handle)
, mutex_(ConsoleMutex::mutex())
, formatter_(details::make_unique<spdlog::pattern_formatter>())
{
// check if out_handle is points to the actual console.
// ::GetConsoleMode() should return 0 if it is redirected or not valid console handle.
DWORD console_mode;
in_console_ = ::GetConsoleMode(out_handle, &console_mode) != 0;
set_color_mode(mode);
colors_[level::trace] = WHITE;
colors_[level::debug] = CYAN;
colors_[level::info] = GREEN;
colors_[level::warn] = YELLOW | BOLD;
colors_[level::err] = RED | BOLD; // red bold
colors_[level::critical] = BACKGROUND_RED | WHITE | BOLD; // white bold on red background
colors_[level::off] = 0;
}
template<typename ConsoleMutex>
SPDLOG_INLINE wincolor_sink<ConsoleMutex>::~wincolor_sink()
{
this->flush();
}
// change the color for the given level
template<typename ConsoleMutex>
void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::set_color(level::level_enum level, WORD color)
{
std::lock_guard<mutex_t> lock(mutex_);
colors_[level] = color;
}
template<typename ConsoleMutex>
void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::log(const details::log_msg &msg)
{
std::lock_guard<mutex_t> lock(mutex_);
memory_buf_t formatted;
formatter_->format(msg, formatted);
if (!in_console_)
{
write_to_file_(formatted);
return;
}
if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
{
// before color range
print_range_(formatted, 0, msg.color_range_start);
// in color range
auto orig_attribs = set_foreground_color_(colors_[msg.level]);
print_range_(formatted, msg.color_range_start, msg.color_range_end);
// reset to orig colors
::SetConsoleTextAttribute(out_handle_, orig_attribs);
print_range_(formatted, msg.color_range_end, formatted.size());
}
else // print without colors if color range is invalid (or color is disabled)
{
print_range_(formatted, 0, formatted.size());
}
}
template<typename ConsoleMutex>
void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::flush()
{
// windows console always flushed?
}
template<typename ConsoleMutex>
void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::set_pattern(const std::string &pattern)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
}
template<typename ConsoleMutex>
void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
{
std::lock_guard<mutex_t> lock(mutex_);
formatter_ = std::move(sink_formatter);
}
template<typename ConsoleMutex>
void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::set_color_mode(color_mode mode)
{
switch (mode)
{
case color_mode::always:
case color_mode::automatic:
should_do_colors_ = true;
break;
case color_mode::never:
should_do_colors_ = false;
break;
default:
should_do_colors_ = true;
}
}
// set foreground color and return the orig console attributes (for resetting later)
template<typename ConsoleMutex>
WORD SPDLOG_INLINE wincolor_sink<ConsoleMutex>::set_foreground_color_(WORD attribs)
{
CONSOLE_SCREEN_BUFFER_INFO orig_buffer_info;
::GetConsoleScreenBufferInfo(out_handle_, &orig_buffer_info);
WORD back_color = orig_buffer_info.wAttributes;
// retrieve the current background color
back_color &= static_cast<WORD>(~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY));
// keep the background color unchanged
::SetConsoleTextAttribute(out_handle_, attribs | back_color);
return orig_buffer_info.wAttributes; // return orig attribs
}
// print a range of formatted message to console
template<typename ConsoleMutex>
void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::print_range_(const memory_buf_t &formatted, size_t start, size_t end)
{
auto size = static_cast<DWORD>(end - start);
::WriteConsoleA(out_handle_, formatted.data() + start, size, nullptr, nullptr);
}
template<typename ConsoleMutex>
void SPDLOG_INLINE wincolor_sink<ConsoleMutex>::write_to_file_(const memory_buf_t &formatted)
{
if (out_handle_ == nullptr) // no console and no file redirect
{
return;
}
auto size = static_cast<DWORD>(formatted.size());
if (size == 0)
{
return;
}
DWORD total_written = 0;
do
{
DWORD bytes_written = 0;
bool ok = ::WriteFile(out_handle_, formatted.data() + total_written, size - total_written, &bytes_written, nullptr) != 0;
if (!ok || bytes_written == 0)
{
SPDLOG_THROW(spdlog_ex("wincolor_sink: write_to_file_ failed. GetLastError(): " + std::to_string(::GetLastError())));
}
total_written += bytes_written;
} while (total_written < size);
}
// wincolor_stdout_sink
template<typename ConsoleMutex>
SPDLOG_INLINE wincolor_stdout_sink<ConsoleMutex>::wincolor_stdout_sink(color_mode mode)
: wincolor_sink<ConsoleMutex>(::GetStdHandle(STD_OUTPUT_HANDLE), mode)
{}
// wincolor_stderr_sink
template<typename ConsoleMutex>
SPDLOG_INLINE wincolor_stderr_sink<ConsoleMutex>::wincolor_stderr_sink(color_mode mode)
: wincolor_sink<ConsoleMutex>(::GetStdHandle(STD_ERROR_HANDLE), mode)
{}
} // namespace sinks
} // namespace spdlog

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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/common.h"
#include "spdlog/details/console_globals.h"
#include "spdlog/details/null_mutex.h"
#include "spdlog/sinks/sink.h"
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
#include <wincon.h>
namespace spdlog {
namespace sinks {
/*
* Windows color console sink. Uses WriteConsoleA to write to the console with
* colors
*/
template<typename ConsoleMutex>
class wincolor_sink : public sink
{
public:
const WORD BOLD = FOREGROUND_INTENSITY;
const WORD RED = FOREGROUND_RED;
const WORD GREEN = FOREGROUND_GREEN;
const WORD CYAN = FOREGROUND_GREEN | FOREGROUND_BLUE;
const WORD WHITE = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
const WORD YELLOW = FOREGROUND_RED | FOREGROUND_GREEN;
wincolor_sink(HANDLE out_handle, color_mode mode);
~wincolor_sink() override;
wincolor_sink(const wincolor_sink &other) = delete;
wincolor_sink &operator=(const wincolor_sink &other) = delete;
// change the color for the given level
void set_color(level::level_enum level, WORD color);
void log(const details::log_msg &msg) final override;
void flush() final override;
void set_pattern(const std::string &pattern) override final;
void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override final;
void set_color_mode(color_mode mode);
protected:
using mutex_t = typename ConsoleMutex::mutex_t;
HANDLE out_handle_;
mutex_t &mutex_;
bool in_console_;
bool should_do_colors_;
std::unique_ptr<spdlog::formatter> formatter_;
std::unordered_map<level::level_enum, WORD, level::level_hasher> colors_;
// set foreground color and return the orig console attributes (for resetting later)
WORD set_foreground_color_(WORD attribs);
// print a range of formatted message to console
void print_range_(const memory_buf_t &formatted, size_t start, size_t end);
// in case we are redirected to file (not in console mode)
void write_to_file_(const memory_buf_t &formatted);
};
template<typename ConsoleMutex>
class wincolor_stdout_sink : public wincolor_sink<ConsoleMutex>
{
public:
explicit wincolor_stdout_sink(color_mode mode = color_mode::automatic);
};
template<typename ConsoleMutex>
class wincolor_stderr_sink : public wincolor_sink<ConsoleMutex>
{
public:
explicit wincolor_stderr_sink(color_mode mode = color_mode::automatic);
};
using wincolor_stdout_sink_mt = wincolor_stdout_sink<details::console_mutex>;
using wincolor_stdout_sink_st = wincolor_stdout_sink<details::console_nullmutex>;
using wincolor_stderr_sink_mt = wincolor_stderr_sink<details::console_mutex>;
using wincolor_stderr_sink_st = wincolor_stderr_sink<details::console_nullmutex>;
} // namespace sinks
} // namespace spdlog
#ifdef SPDLOG_HEADER_ONLY
#include "wincolor_sink-inl.h"
#endif

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/spdlog.h"
#endif
#include "spdlog/common.h"
#include "spdlog/details/pattern_formatter.h"
namespace spdlog {
SPDLOG_INLINE void initialize_logger(std::shared_ptr<logger> logger)
{
details::registry::instance().initialize_logger(std::move(logger));
}
SPDLOG_INLINE std::shared_ptr<logger> get(const std::string &name)
{
return details::registry::instance().get(name);
}
SPDLOG_INLINE void set_formatter(std::unique_ptr<spdlog::formatter> formatter)
{
details::registry::instance().set_formatter(std::move(formatter));
}
SPDLOG_INLINE void set_pattern(std::string pattern, pattern_time_type time_type)
{
set_formatter(std::unique_ptr<spdlog::formatter>(new pattern_formatter(std::move(pattern), time_type)));
}
SPDLOG_INLINE void enable_backtrace(size_t n_messages)
{
details::registry::instance().enable_backtrace(n_messages);
}
SPDLOG_INLINE void disable_backtrace()
{
details::registry::instance().disable_backtrace();
}
SPDLOG_INLINE void dump_backtrace()
{
default_logger_raw()->dump_backtrace();
}
SPDLOG_INLINE void set_level(level::level_enum log_level)
{
details::registry::instance().set_level(log_level);
}
SPDLOG_INLINE void flush_on(level::level_enum log_level)
{
details::registry::instance().flush_on(log_level);
}
SPDLOG_INLINE void flush_every(std::chrono::seconds interval)
{
details::registry::instance().flush_every(interval);
}
SPDLOG_INLINE void set_error_handler(void (*handler)(const std::string &msg))
{
details::registry::instance().set_error_handler(handler);
}
SPDLOG_INLINE void register_logger(std::shared_ptr<logger> logger)
{
details::registry::instance().register_logger(std::move(logger));
}
SPDLOG_INLINE void apply_all(const std::function<void(std::shared_ptr<logger>)> &fun)
{
details::registry::instance().apply_all(fun);
}
SPDLOG_INLINE void drop(const std::string &name)
{
details::registry::instance().drop(name);
}
SPDLOG_INLINE void drop_all()
{
details::registry::instance().drop_all();
}
SPDLOG_INLINE void shutdown()
{
details::registry::instance().shutdown();
}
SPDLOG_INLINE void set_automatic_registration(bool automatic_registation)
{
details::registry::instance().set_automatic_registration(automatic_registation);
}
SPDLOG_INLINE std::shared_ptr<spdlog::logger> default_logger()
{
return details::registry::instance().default_logger();
}
SPDLOG_INLINE spdlog::logger *default_logger_raw()
{
return details::registry::instance().get_default_raw();
}
SPDLOG_INLINE void set_default_logger(std::shared_ptr<spdlog::logger> default_logger)
{
details::registry::instance().set_default_logger(std::move(default_logger));
}
} // namespace spdlog

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
// spdlog main header file.
// see example.cpp for usage example
#ifndef SPDLOG_H
#define SPDLOG_H
#pragma once
#include "spdlog/common.h"
#include "spdlog/details/registry.h"
#include "spdlog/logger.h"
#include "spdlog/version.h"
#include "spdlog/details/synchronous_factory.h"
#include <chrono>
#include <functional>
#include <memory>
#include <string>
namespace spdlog {
using default_factory = synchronous_factory;
// Create and register a logger with a templated sink type
// The logger's level, formatter and flush level will be set according the
// global settings.
//
// Example:
// spdlog::create<daily_file_sink_st>("logger_name", "dailylog_filename", 11, 59);
template<typename Sink, typename... SinkArgs>
inline std::shared_ptr<spdlog::logger> create(std::string logger_name, SinkArgs &&... sink_args)
{
return default_factory::create<Sink>(std::move(logger_name), std::forward<SinkArgs>(sink_args)...);
}
// Initialize and register a logger,
// formatter and flush level will be set according the global settings.
//
// NOTE:
// Use this function when creating loggers manually.
//
// Example:
// auto console_sink = std::make_shared<spdlog::sinks::stdout_sink_mt>();
// auto console_logger = std::make_shared<spdlog::logger>("console_logger", console_sink);
// spdlog::initialize_logger(console_logger);
void initialize_logger(std::shared_ptr<logger> logger);
// Return an existing logger or nullptr if a logger with such name doesn't
// exist.
// example: spdlog::get("my_logger")->info("hello {}", "world");
std::shared_ptr<logger> get(const std::string &name);
// Set global formatter. Each sink in each logger will get a clone of this object
void set_formatter(std::unique_ptr<spdlog::formatter> formatter);
// Set global format string.
// example: spdlog::set_pattern("%Y-%m-%d %H:%M:%S.%e %l : %v");
void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local);
// enable global backtrace support
void enable_backtrace(size_t n_messages);
// disable global backtrace support
void disable_backtrace();
// call dump backtrace on default logger
void dump_backtrace();
// Set global logging level
void set_level(level::level_enum log_level);
// Set global flush level
void flush_on(level::level_enum log_level);
// Start/Restart a periodic flusher thread
// Warning: Use only if all your loggers are thread safe!
void flush_every(std::chrono::seconds interval);
// Set global error handler
void set_error_handler(void (*handler)(const std::string &msg));
// Register the given logger with the given name
void register_logger(std::shared_ptr<logger> logger);
// Apply a user defined function on all registered loggers
// Example:
// spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) {l->flush();});
void apply_all(const std::function<void(std::shared_ptr<logger>)> &fun);
// Drop the reference to the given logger
void drop(const std::string &name);
// Drop all references from the registry
void drop_all();
// stop any running threads started by spdlog and clean registry loggers
void shutdown();
// Automatic registration of loggers when using spdlog::create() or spdlog::create_async
void set_automatic_registration(bool automatic_registation);
// API for using default logger (stdout_color_mt),
// e.g: spdlog::info("Message {}", 1);
//
// The default logger object can be accessed using the spdlog::default_logger():
// For example, to add another sink to it:
// spdlog::default_logger()->sinks()->push_back(some_sink);
//
// The default logger can replaced using spdlog::set_default_logger(new_logger).
// For example, to replace it with a file logger.
//
// IMPORTANT:
// The default API is thread safe (for _mt loggers), but:
// set_default_logger() *should not* be used concurrently with the default API.
// e.g do not call set_default_logger() from one thread while calling spdlog::info() from another.
std::shared_ptr<spdlog::logger> default_logger();
spdlog::logger *default_logger_raw();
void set_default_logger(std::shared_ptr<spdlog::logger> default_logger);
template<typename... Args>
inline void log(source_loc source, level::level_enum lvl, string_view_t fmt, const Args &... args)
{
default_logger_raw()->log(source, lvl, fmt, args...);
}
template<typename... Args>
inline void log(level::level_enum lvl, string_view_t fmt, const Args &... args)
{
default_logger_raw()->log(source_loc{}, lvl, fmt, args...);
}
template<typename... Args>
inline void trace(string_view_t fmt, const Args &... args)
{
default_logger_raw()->trace(fmt, args...);
}
template<typename... Args>
inline void debug(string_view_t fmt, const Args &... args)
{
default_logger_raw()->debug(fmt, args...);
}
template<typename... Args>
inline void info(string_view_t fmt, const Args &... args)
{
default_logger_raw()->info(fmt, args...);
}
template<typename... Args>
inline void warn(string_view_t fmt, const Args &... args)
{
default_logger_raw()->warn(fmt, args...);
}
template<typename... Args>
inline void error(string_view_t fmt, const Args &... args)
{
default_logger_raw()->error(fmt, args...);
}
template<typename... Args>
inline void critical(string_view_t fmt, const Args &... args)
{
default_logger_raw()->critical(fmt, args...);
}
template<typename T>
inline void log(source_loc source, level::level_enum lvl, const T &msg)
{
default_logger_raw()->log(source, lvl, msg);
}
template<typename T>
inline void log(level::level_enum lvl, const T &msg)
{
default_logger_raw()->log(lvl, msg);
}
template<typename T>
inline void trace(const T &msg)
{
default_logger_raw()->trace(msg);
}
template<typename T>
inline void debug(const T &msg)
{
default_logger_raw()->debug(msg);
}
template<typename T>
inline void info(const T &msg)
{
default_logger_raw()->info(msg);
}
template<typename T>
inline void warn(const T &msg)
{
default_logger_raw()->warn(msg);
}
template<typename T>
inline void error(const T &msg)
{
default_logger_raw()->error(msg);
}
template<typename T>
inline void critical(const T &msg)
{
default_logger_raw()->critical(msg);
}
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
template<typename... Args>
inline void log(source_loc source, level::level_enum lvl, wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->log(source, lvl, fmt, args...);
}
template<typename... Args>
inline void log(level::level_enum lvl, wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->log(lvl, fmt, args...);
}
template<typename... Args>
inline void trace(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->trace(fmt, args...);
}
template<typename... Args>
inline void debug(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->debug(fmt, args...);
}
template<typename... Args>
inline void info(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->info(fmt, args...);
}
template<typename... Args>
inline void warn(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->warn(fmt, args...);
}
template<typename... Args>
inline void error(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->error(fmt, args...);
}
template<typename... Args>
inline void critical(wstring_view_t fmt, const Args &... args)
{
default_logger_raw()->critical(fmt, args...);
}
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
} // namespace spdlog
//
// enable/disable log calls at compile time according to global level.
//
// define SPDLOG_ACTIVE_LEVEL to one of those (before including spdlog.h):
// SPDLOG_LEVEL_TRACE,
// SPDLOG_LEVEL_DEBUG,
// SPDLOG_LEVEL_INFO,
// SPDLOG_LEVEL_WARN,
// SPDLOG_LEVEL_ERROR,
// SPDLOG_LEVEL_CRITICAL,
// SPDLOG_LEVEL_OFF
//
#define SPDLOG_LOGGER_CALL(logger, level, ...) logger->log(spdlog::source_loc{__FILE__, __LINE__, SPDLOG_FUNCTION}, level, __VA_ARGS__)
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_TRACE
#define SPDLOG_LOGGER_TRACE(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::trace, __VA_ARGS__)
#define SPDLOG_TRACE(...) SPDLOG_LOGGER_TRACE(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_TRACE(logger, ...) (void)0
#define SPDLOG_TRACE(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_DEBUG
#define SPDLOG_LOGGER_DEBUG(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::debug, __VA_ARGS__)
#define SPDLOG_DEBUG(...) SPDLOG_LOGGER_DEBUG(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_DEBUG(logger, ...) (void)0
#define SPDLOG_DEBUG(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_INFO
#define SPDLOG_LOGGER_INFO(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::info, __VA_ARGS__)
#define SPDLOG_INFO(...) SPDLOG_LOGGER_INFO(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_INFO(logger, ...) (void)0
#define SPDLOG_INFO(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_WARN
#define SPDLOG_LOGGER_WARN(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::warn, __VA_ARGS__)
#define SPDLOG_WARN(...) SPDLOG_LOGGER_WARN(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_WARN(logger, ...) (void)0
#define SPDLOG_WARN(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_ERROR
#define SPDLOG_LOGGER_ERROR(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::err, __VA_ARGS__)
#define SPDLOG_ERROR(...) SPDLOG_LOGGER_ERROR(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_ERROR(logger, ...) (void)0
#define SPDLOG_ERROR(...) (void)0
#endif
#if SPDLOG_ACTIVE_LEVEL <= SPDLOG_LEVEL_CRITICAL
#define SPDLOG_LOGGER_CRITICAL(logger, ...) SPDLOG_LOGGER_CALL(logger, spdlog::level::critical, __VA_ARGS__)
#define SPDLOG_CRITICAL(...) SPDLOG_LOGGER_CRITICAL(spdlog::default_logger_raw(), __VA_ARGS__)
#else
#define SPDLOG_LOGGER_CRITICAL(logger, ...) (void)0
#define SPDLOG_CRITICAL(...) (void)0
#endif
#ifdef SPDLOG_HEADER_ONLY
#include "spdlog-inl.h"
#endif
#endif // SPDLOG_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
///////////////////////////////////////////////////////////////////////////////
//
// Edit this file to squeeze more performance, and to customize supported
// features
//
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Under Linux, the much faster CLOCK_REALTIME_COARSE clock can be used.
// This clock is less accurate - can be off by dozens of millis - depending on
// the kernel HZ.
// Uncomment to use it instead of the regular clock.
//
// #define SPDLOG_CLOCK_COARSE
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if date/time logging is not needed and never appear in the log
// pattern.
// This will prevent spdlog from querying the clock on each log call.
//
// WARNING: If the log pattern contains any date/time while this flag is on, the
// result is undefined.
// You must set new pattern(spdlog::set_pattern(..") without any
// date/time in it
//
// #define SPDLOG_NO_DATETIME
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if thread id logging is not needed (i.e. no %t in the log pattern).
// This will prevent spdlog from querying the thread id on each log call.
//
// WARNING: If the log pattern contains thread id (i.e, %t) while this flag is
// on, the result is undefined.
//
// #define SPDLOG_NO_THREAD_ID
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to prevent spdlog from using thread local storage.
//
// WARNING: if your program forks, UNCOMMENT this flag to prevent undefined
// thread ids in the children logs.
//
// #define SPDLOG_NO_TLS
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment if logger name logging is not needed.
// This will prevent spdlog from copying the logger name on each log call.
//
// #define SPDLOG_NO_NAME
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to avoid spdlog's usage of atomic log levels
// Use only if your code never modifies a logger's log levels concurrently by
// different threads.
//
// #define SPDLOG_NO_ATOMIC_LEVELS
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to enable usage of wchar_t for file names on Windows.
//
// #define SPDLOG_WCHAR_FILENAMES
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to override default eol ("\n" or "\r\n" under Linux/Windows)
//
// #define SPDLOG_EOL ";-)\n"
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to use your own copy of the fmt library instead of spdlog's copy.
// In this case spdlog will try to include <fmt/format.h> so set your -I flag
// accordingly.
//
// #define SPDLOG_FMT_EXTERNAL
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to enable wchar_t support (convert to utf8)
//
// #define SPDLOG_WCHAR_TO_UTF8_SUPPORT
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to prevent child processes from inheriting log file descriptors
//
// #define SPDLOG_PREVENT_CHILD_FD
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to customize level names (e.g. "MT TRACE")
//
// #define SPDLOG_LEVEL_NAMES { "MY TRACE", "MY DEBUG", "MY INFO", "MY WARNING",
// "MY ERROR", "MY CRITICAL", "OFF" }
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to customize short level names (e.g. "MT")
// These can be longer than one character.
//
// #define SPDLOG_SHORT_LEVEL_NAMES { "T", "D", "I", "W", "E", "C", "O" }
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment to disable default logger creation.
// This might save some (very) small initialization time if no default logger is needed.
//
// #define SPDLOG_DISABLE_DEFAULT_LOGGER
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment and set to compile time level with zero cost (default is INFO).
// Macros like SPDLOG_DEBUG(..), SPDLOG_INFO(..) will expand to empty statements if not enabled
//
// #define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// Uncomment (and change if desired) macro to use for function names.
// This is compiler dependent.
// __PRETTY_FUNCTION__ might be nicer in clang/gcc, and __FUNCTION__ in msvc.
// Defaults to __FUNCTION__ (should work on all compilers) if not defined.
//
// #define SPDLOG_FUNCTION __PRETTY_FUNCTION__
///////////////////////////////////////////////////////////////////////////////

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// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
#define SPDLOG_VER_MAJOR 1
#define SPDLOG_VER_MINOR 4
#define SPDLOG_VER_PATCH 2
#define SPDLOG_VERSION (SPDLOG_VER_MAJOR * 10000 + SPDLOG_VER_MINOR * 100 + SPDLOG_VER_PATCH)