diff --git a/CMakeLists.txt b/CMakeLists.txt
index 670ed43e4eec6cff3ee43aa8d2ce0899ce1b9b1a..1013fd890de7b90a7e29e14060da8bfb12e7e585 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@ set_target_properties(usgscsm PROPERTIES
)
set(USGSCSM_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/include/usgscsm"
- "${CMAKE_CURRENT_SOURCE_DIR}/include/json")
+ "${CMAKE_CURRENT_SOURCE_DIR}/include/")
target_include_directories(usgscsm
PUBLIC
diff --git a/include/spdlog/async.h b/include/spdlog/async.h
new file mode 100644
index 0000000000000000000000000000000000000000..971becd700023b5abe6db3e74fc8527fa6ef74d6
--- /dev/null
+++ b/include/spdlog/async.h
@@ -0,0 +1,87 @@
+
+//
+// Copyright(c) 2018 Gabi Melman.
+// 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>
+
+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 ®istry_inst = details::registry::instance();
+
+ // create global thread pool if not already exists..
+ std::lock_guard<std::recursive_mutex> tp_lock(registry_inst.tp_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)
+{
+ auto tp = std::make_shared<details::thread_pool>(q_size, thread_count);
+ details::registry::instance().set_tp(std::move(tp));
+}
+
+// get the global thread pool.
+inline std::shared_ptr<spdlog::details::thread_pool> thread_pool()
+{
+ return details::registry::instance().get_tp();
+}
+} // namespace spdlog
diff --git a/include/spdlog/async_logger.h b/include/spdlog/async_logger.h
new file mode 100644
index 0000000000000000000000000000000000000000..a7ecb787377d8de9c431da418aedfea9a10ec10c
--- /dev/null
+++ b/include/spdlog/async_logger.h
@@ -0,0 +1,73 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// Very fast asynchronous logger (millions of logs per second on an average
+// desktop)
+// Uses pre allocated lockfree queue for maximum throughput even under large
+// number of threads.
+// 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)
+// 3. will throw spdlog_ex upon log exceptions
+// Upon destruction, logs all remaining messages in the queue before
+// destructing..
+
+#include "spdlog/common.h"
+#include "spdlog/logger.h"
+
+#include <chrono>
+#include <memory>
+#include <string>
+
+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);
+
+ 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_(details::log_msg &msg) override;
+ void flush_() override;
+
+ void backend_log_(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
+
+#include "details/async_logger_impl.h"
diff --git a/include/spdlog/common.h b/include/spdlog/common.h
new file mode 100644
index 0000000000000000000000000000000000000000..dd9a47853d6017d492302f3024e5ae5b320ab1d2
--- /dev/null
+++ b/include/spdlog/common.h
@@ -0,0 +1,246 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/tweakme.h"
+
+#include <atomic>
+#include <chrono>
+#include <functional>
+#include <initializer_list>
+#include <memory>
+#include <stdexcept>
+#include <string>
+#include <cstring>
+#include <type_traits>
+#include <unordered_map>
+
+#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT)
+#include <codecvt>
+#include <locale>
+#endif
+
+#include "spdlog/details/null_mutex.h"
+
+#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 throw()
+#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
+
+// Get the basename of __FILE__ (at compile time if possible)
+#if FMT_HAS_FEATURE(__builtin_strrchr)
+#define SPDLOG_STRRCHR(str, sep) __builtin_strrchr(str, sep)
+#else
+#define SPDLOG_STRRCHR(str, sep) strrchr(str, sep)
+#endif //__builtin_strrchr not defined
+
+#ifdef _WIN32
+#define SPDLOG_FILE_BASENAME(file) SPDLOG_STRRCHR("\\" file, '\\') + 1
+#else
+#define SPDLOG_FILE_BASENAME(file) SPDLOG_STRRCHR("/" file, '/') + 1
+#endif
+
+#ifndef SPDLOG_FUNCTION
+#define SPDLOG_FUNCTION __FUNCTION__
+#endif
+
+namespace spdlog {
+
+class formatter;
+
+namespace sinks {
+class sink;
+}
+
+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 log_err_handler = std::function<void(const std::string &err_msg)>;
+
+// string_view type - either std::string_view or fmt::string_view (pre c++17)
+#if defined(FMT_USE_STD_STRING_VIEW)
+using string_view_t = std::string_view;
+#else
+using string_view_t = fmt::string_view;
+#endif
+
+#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
+static string_view_t level_string_views[] SPDLOG_LEVEL_NAMES;
+
+#if !defined(SPDLOG_SHORT_LEVEL_NAMES)
+#define SPDLOG_SHORT_LEVEL_NAMES {"T", "D", "I", "W", "E", "C", "O"}
+#endif
+static const char *short_level_names[] SPDLOG_SHORT_LEVEL_NAMES;
+
+inline string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
+{
+ return level_string_views[l];
+}
+
+inline const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT
+{
+ return short_level_names[l];
+}
+
+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;
+}
+
+using level_hasher = std::hash<int>;
+} // namespace level
+
+//
+// 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)
+ : msg_(std::move(msg))
+ {
+ }
+
+ spdlog_ex(const std::string &msg, int last_errno)
+ {
+ fmt::memory_buffer outbuf;
+ fmt::format_system_error(outbuf, last_errno, msg);
+ msg_ = fmt::to_string(outbuf);
+ }
+
+ const char *what() const SPDLOG_NOEXCEPT override
+ {
+ return msg_.c_str();
+ }
+
+private:
+ std::string msg_;
+};
+
+//
+// wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined)
+//
+#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
+using filename_t = std::wstring;
+#else
+using filename_t = std::string;
+#endif
+
+struct source_loc
+{
+ SPDLOG_CONSTEXPR source_loc()
+ : filename{""}
+ , line{0}
+ , funcname{""}
+ {
+ }
+ SPDLOG_CONSTEXPR source_loc(const char *filename_in, int line_in, const char *funcname_in)
+ : filename{filename_in}
+ , line{static_cast<uint32_t>(line_in)}
+ , funcname{funcname_in}
+ {
+ }
+
+ SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT
+ {
+ return line == 0;
+ }
+ const char *filename;
+ uint32_t line;
+ const char *funcname;
+};
+
+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
diff --git a/include/spdlog/details/async_logger_impl.h b/include/spdlog/details/async_logger_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..aafcae6568cd0468dff3d1dc39e9dd1d88738b1e
--- /dev/null
+++ b/include/spdlog/details/async_logger_impl.h
@@ -0,0 +1,110 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// async logger implementation
+// uses a thread pool to perform the actual logging
+
+#include "spdlog/details/thread_pool.h"
+
+#include <chrono>
+#include <memory>
+#include <string>
+
+template<typename It>
+inline spdlog::async_logger::async_logger(
+ std::string logger_name, It begin, It end, std::weak_ptr<details::thread_pool> tp, async_overflow_policy overflow_policy)
+ : logger(std::move(logger_name), begin, end)
+ , thread_pool_(std::move(tp))
+ , overflow_policy_(overflow_policy)
+{
+}
+
+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)
+{
+}
+
+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
+inline void spdlog::async_logger::sink_it_(details::log_msg &msg)
+{
+#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
+ incr_msg_counter_(msg);
+#endif
+ if (auto pool_ptr = thread_pool_.lock())
+ {
+ pool_ptr->post_log(shared_from_this(), msg, overflow_policy_);
+ }
+ else
+ {
+ throw spdlog_ex("async log: thread pool doesn't exist anymore");
+ }
+}
+
+// send flush request to the thread pool
+inline void spdlog::async_logger::flush_()
+{
+ if (auto pool_ptr = thread_pool_.lock())
+ {
+ pool_ptr->post_flush(shared_from_this(), overflow_policy_);
+ }
+ else
+ {
+ throw spdlog_ex("async flush: thread pool doesn't exist anymore");
+ }
+}
+
+//
+// backend functions - called from the thread pool to do the actual job
+//
+inline void spdlog::async_logger::backend_log_(const details::log_msg &incoming_log_msg)
+{
+ try
+ {
+ for (auto &s : sinks_)
+ {
+ if (s->should_log(incoming_log_msg.level))
+ {
+ s->log(incoming_log_msg);
+ }
+ }
+ }
+ SPDLOG_CATCH_AND_HANDLE
+
+ if (should_flush_(incoming_log_msg))
+ {
+ backend_flush_();
+ }
+}
+
+inline void spdlog::async_logger::backend_flush_()
+{
+ try
+ {
+ for (auto &sink : sinks_)
+ {
+ sink->flush();
+ }
+ }
+ SPDLOG_CATCH_AND_HANDLE
+}
+
+inline std::shared_ptr<spdlog::logger> spdlog::async_logger::clone(std::string new_name)
+{
+ auto cloned = std::make_shared<spdlog::async_logger>(std::move(new_name), sinks_.begin(), sinks_.end(), thread_pool_, overflow_policy_);
+
+ cloned->set_level(this->level());
+ cloned->flush_on(this->flush_level());
+ cloned->set_error_handler(this->error_handler());
+ return std::move(cloned);
+}
diff --git a/include/spdlog/details/circular_q.h b/include/spdlog/details/circular_q.h
new file mode 100644
index 0000000000000000000000000000000000000000..b01325bb751604819dab686bcc2a19ad746668bc
--- /dev/null
+++ b/include/spdlog/details/circular_q.h
@@ -0,0 +1,72 @@
+//
+// Copyright(c) 2018 Gabi Melman.
+// 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
+{
+public:
+ using item_type = T;
+
+ explicit circular_q(size_t max_items)
+ : max_items_(max_items + 1) // one item is reserved as marker for full q
+ , v_(max_items_)
+ {
+ }
+
+ // push back, overrun (oldest) item if no room left
+ void push_back(T &&item)
+ {
+ 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_;
+ }
+ }
+
+ // Pop item from front.
+ // If there are no elements in the container, the behavior is undefined.
+ void pop_front(T &popped_item)
+ {
+ popped_item = std::move(v_[head_]);
+ head_ = (head_ + 1) % max_items_;
+ }
+
+ bool empty()
+ {
+ return tail_ == head_;
+ }
+
+ bool full()
+ {
+ // head is ahead of the tail by 1
+ return ((tail_ + 1) % max_items_) == head_;
+ }
+
+ size_t overrun_counter() const
+ {
+ return overrun_counter_;
+ }
+
+private:
+ size_t max_items_;
+ typename std::vector<T>::size_type head_ = 0;
+ typename std::vector<T>::size_type tail_ = 0;
+
+ std::vector<T> v_;
+
+ size_t overrun_counter_ = 0;
+};
+} // namespace details
+} // namespace spdlog
diff --git a/include/spdlog/details/console_globals.h b/include/spdlog/details/console_globals.h
new file mode 100644
index 0000000000000000000000000000000000000000..e2afb6bf0107e7dea4956f20ac811017d70396c3
--- /dev/null
+++ b/include/spdlog/details/console_globals.h
@@ -0,0 +1,74 @@
+#pragma once
+//
+// Copyright(c) 2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#include "spdlog/details/null_mutex.h"
+#include <cstdio>
+#include <mutex>
+
+#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
+
+namespace spdlog {
+namespace details {
+struct console_stdout
+{
+ static std::FILE *stream()
+ {
+ return stdout;
+ }
+#ifdef _WIN32
+ static HANDLE handle()
+ {
+ return ::GetStdHandle(STD_OUTPUT_HANDLE);
+ }
+#endif
+};
+
+struct console_stderr
+{
+ static std::FILE *stream()
+ {
+ return stderr;
+ }
+#ifdef _WIN32
+ static HANDLE handle()
+ {
+ return ::GetStdHandle(STD_ERROR_HANDLE);
+ }
+#endif
+};
+
+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
diff --git a/include/spdlog/details/file_helper.h b/include/spdlog/details/file_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..8c1132d9c5e9ff02fa27b43ceeb2cc9a887f4141
--- /dev/null
+++ b/include/spdlog/details/file_helper.h
@@ -0,0 +1,152 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// 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.
+
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/os.h"
+
+#include <cerrno>
+#include <chrono>
+#include <cstdio>
+#include <string>
+#include <thread>
+#include <tuple>
+
+namespace spdlog {
+namespace details {
+
+class file_helper
+{
+
+public:
+ const int open_tries = 5;
+ const int open_interval = 10;
+
+ explicit file_helper() = default;
+
+ file_helper(const file_helper &) = delete;
+ file_helper &operator=(const file_helper &) = delete;
+
+ ~file_helper()
+ {
+ close();
+ }
+
+ void open(const filename_t &fname, bool truncate = false)
+ {
+ 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);
+ }
+
+ throw spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno);
+ }
+
+ void reopen(bool truncate)
+ {
+ if (_filename.empty())
+ {
+ throw spdlog_ex("Failed re opening file - was not opened before");
+ }
+ open(_filename, truncate);
+ }
+
+ void flush()
+ {
+ std::fflush(fd_);
+ }
+
+ void close()
+ {
+ if (fd_ != nullptr)
+ {
+ std::fclose(fd_);
+ fd_ = nullptr;
+ }
+ }
+
+ void write(const fmt::memory_buffer &buf)
+ {
+ size_t msg_size = buf.size();
+ auto data = buf.data();
+ if (std::fwrite(data, 1, msg_size, fd_) != msg_size)
+ {
+ throw spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno);
+ }
+ }
+
+ size_t size() const
+ {
+ if (fd_ == nullptr)
+ {
+ throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename));
+ }
+ return os::filesize(fd_);
+ }
+
+ const filename_t &filename() const
+ {
+ return _filename;
+ }
+
+ static bool 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")
+ static std::tuple<filename_t, filename_t> split_by_extension(const spdlog::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, spdlog::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, spdlog::filename_t());
+ }
+
+ // finally - return a valid base and extension tuple
+ return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
+ }
+
+private:
+ std::FILE *fd_{nullptr};
+ filename_t _filename;
+};
+} // namespace details
+} // namespace spdlog
diff --git a/include/spdlog/details/fmt_helper.h b/include/spdlog/details/fmt_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..d76aac452c2f6f88195df83594aef949c3e96ecf
--- /dev/null
+++ b/include/spdlog/details/fmt_helper.h
@@ -0,0 +1,122 @@
+//
+// Created by gabi on 6/15/18.
+//
+
+#pragma once
+
+#include <chrono>
+#include <type_traits>
+#include "spdlog/fmt/fmt.h"
+
+// Some fmt helpers to efficiently format and pad ints and strings
+namespace spdlog {
+namespace details {
+namespace fmt_helper {
+
+template<size_t Buffer_Size>
+inline spdlog::string_view_t to_string_view(const fmt::basic_memory_buffer<char, Buffer_Size> &buf) SPDLOG_NOEXCEPT
+{
+ return spdlog::string_view_t(buf.data(), buf.size());
+}
+
+template<size_t Buffer_Size1, size_t Buffer_Size2>
+inline void append_buf(const fmt::basic_memory_buffer<char, Buffer_Size1> &buf, fmt::basic_memory_buffer<char, Buffer_Size2> &dest)
+{
+ auto *buf_ptr = buf.data();
+ dest.append(buf_ptr, buf_ptr + buf.size());
+}
+
+template<size_t Buffer_Size>
+inline void append_string_view(spdlog::string_view_t view, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+ auto *buf_ptr = view.data();
+ if (buf_ptr != nullptr)
+ {
+ dest.append(buf_ptr, buf_ptr + view.size());
+ }
+}
+
+template<typename T, size_t Buffer_Size>
+inline void append_int(T n, fmt::basic_memory_buffer<char, Buffer_Size> &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)));
+}
+
+template<size_t Buffer_Size>
+inline void pad2(int n, fmt::basic_memory_buffer<char, Buffer_Size> &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, size_t Buffer_Size>
+inline void pad_uint(T n, unsigned int width, fmt::basic_memory_buffer<char, Buffer_Size> &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, size_t Buffer_Size>
+inline void pad3(T n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+ pad_uint(n, 3, dest);
+}
+
+template<typename T, size_t Buffer_Size>
+inline void pad6(T n, fmt::basic_memory_buffer<char, Buffer_Size> &dest)
+{
+ pad_uint(n, 6, dest);
+}
+
+template<typename T, size_t Buffer_Size>
+inline void pad9(T n, fmt::basic_memory_buffer<char, Buffer_Size> &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(const 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
diff --git a/include/spdlog/details/log_msg.h b/include/spdlog/details/log_msg.h
new file mode 100644
index 0000000000000000000000000000000000000000..69422ba378a410386904012121a5f4b5cb9bfbe2
--- /dev/null
+++ b/include/spdlog/details/log_msg.h
@@ -0,0 +1,55 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/common.h"
+#include "spdlog/details/os.h"
+
+#include <string>
+#include <utility>
+
+namespace spdlog {
+namespace details {
+struct log_msg
+{
+
+ log_msg(source_loc loc, const std::string *loggers_name, level::level_enum lvl, string_view_t view)
+ : logger_name(loggers_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(view)
+ {
+ }
+
+ log_msg(const std::string *loggers_name, level::level_enum lvl, string_view_t view)
+ : log_msg(source_loc{}, loggers_name, lvl, view)
+ {
+ }
+
+ log_msg(const log_msg &other) = default;
+
+ const std::string *logger_name{nullptr};
+ level::level_enum level{level::off};
+ log_clock::time_point time;
+ size_t thread_id{0};
+ size_t msg_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;
+ const string_view_t payload;
+};
+} // namespace details
+} // namespace spdlog
diff --git a/include/spdlog/details/logger_impl.h b/include/spdlog/details/logger_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..d44652b509d6bc7e34e512f522960455acbf98a3
--- /dev/null
+++ b/include/spdlog/details/logger_impl.h
@@ -0,0 +1,435 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/fmt_helper.h"
+
+#include <memory>
+#include <string>
+
+#define SPDLOG_CATCH_AND_HANDLE \
+ catch (const std::exception &ex) \
+ { \
+ err_handler_(ex.what()); \
+ } \
+ catch (...) \
+ { \
+ err_handler_("Unknown exception in logger"); \
+ }
+
+// create logger with given name, sinks and the default pattern formatter
+// all other ctors will call this one
+template<typename It>
+inline spdlog::logger::logger(std::string logger_name, It begin, It end)
+ : name_(std::move(logger_name))
+ , sinks_(begin, end)
+{
+}
+
+// ctor with sinks as init list
+inline spdlog::logger::logger(std::string logger_name, sinks_init_list sinks_list)
+ : logger(std::move(logger_name), sinks_list.begin(), sinks_list.end())
+{
+}
+
+// ctor with single sink
+inline spdlog::logger::logger(std::string logger_name, spdlog::sink_ptr single_sink)
+ : logger(std::move(logger_name), {std::move(single_sink)})
+{
+}
+
+inline spdlog::logger::~logger() = default;
+
+inline void spdlog::logger::set_formatter(std::unique_ptr<spdlog::formatter> f)
+{
+ for (auto &sink : sinks_)
+ {
+ sink->set_formatter(f->clone());
+ }
+}
+
+inline void spdlog::logger::set_pattern(std::string pattern, pattern_time_type time_type)
+{
+ auto new_formatter = details::make_unique<spdlog::pattern_formatter>(std::move(pattern), time_type);
+ set_formatter(std::move(new_formatter));
+}
+
+template<typename... Args>
+inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const char *fmt, const Args &... args)
+{
+ if (!should_log(lvl))
+ {
+ return;
+ }
+
+ try
+ {
+ using details::fmt_helper::to_string_view;
+ fmt::memory_buffer buf;
+ fmt::format_to(buf, fmt, args...);
+ details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
+ sink_it_(log_msg);
+ }
+ SPDLOG_CATCH_AND_HANDLE
+}
+
+template<typename... Args>
+inline void spdlog::logger::log(level::level_enum lvl, const char *fmt, const Args &... args)
+{
+ log(source_loc{}, lvl, fmt, args...);
+}
+
+inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const char *msg)
+{
+ if (!should_log(lvl))
+ {
+ return;
+ }
+
+ try
+ {
+ details::log_msg log_msg(source, &name_, lvl, spdlog::string_view_t(msg));
+ sink_it_(log_msg);
+ }
+ SPDLOG_CATCH_AND_HANDLE
+}
+
+inline void spdlog::logger::log(level::level_enum lvl, const char *msg)
+{
+ log(source_loc{}, lvl, msg);
+}
+
+template<class T>
+inline void spdlog::logger::log(level::level_enum lvl, const T &msg)
+{
+ log(source_loc{}, lvl, msg);
+}
+
+template<class T, typename std::enable_if<std::is_convertible<T, spdlog::string_view_t>::value, T>::type *>
+inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const T &msg)
+{
+ if (!should_log(lvl))
+ {
+ return;
+ }
+ try
+ {
+ details::log_msg log_msg(source, &name_, lvl, msg);
+ sink_it_(log_msg);
+ }
+ SPDLOG_CATCH_AND_HANDLE
+}
+
+template<class T, typename std::enable_if<!std::is_convertible<T, spdlog::string_view_t>::value, T>::type *>
+inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const T &msg)
+{
+ if (!should_log(lvl))
+ {
+ return;
+ }
+ try
+ {
+ using details::fmt_helper::to_string_view;
+ fmt::memory_buffer buf;
+ fmt::format_to(buf, "{}", msg);
+ details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
+ sink_it_(log_msg);
+ }
+ SPDLOG_CATCH_AND_HANDLE
+}
+
+template<typename... Args>
+inline void spdlog::logger::trace(const char *fmt, const Args &... args)
+{
+ log(level::trace, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::debug(const char *fmt, const Args &... args)
+{
+ log(level::debug, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::info(const char *fmt, const Args &... args)
+{
+ log(level::info, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::warn(const char *fmt, const Args &... args)
+{
+ log(level::warn, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::error(const char *fmt, const Args &... args)
+{
+ log(level::err, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::critical(const char *fmt, const Args &... args)
+{
+ log(level::critical, fmt, args...);
+}
+
+template<typename T>
+inline void spdlog::logger::trace(const T &msg)
+{
+ log(level::trace, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::debug(const T &msg)
+{
+ log(level::debug, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::info(const T &msg)
+{
+ log(level::info, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::warn(const T &msg)
+{
+ log(level::warn, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::error(const T &msg)
+{
+ log(level::err, msg);
+}
+
+template<typename T>
+inline void spdlog::logger::critical(const T &msg)
+{
+ log(level::critical, msg);
+}
+
+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
+
+inline void wbuf_to_utf8buf(const fmt::wmemory_buffer &wbuf, fmt::memory_buffer &target)
+{
+ int wbuf_size = static_cast<int>(wbuf.size());
+ if (wbuf_size == 0)
+ {
+ return;
+ }
+
+ auto result_size = ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, NULL, 0, NULL, NULL);
+
+ if (result_size > 0)
+ {
+ target.resize(result_size);
+ ::WideCharToMultiByte(CP_UTF8, 0, wbuf.data(), wbuf_size, &target.data()[0], result_size, NULL, NULL);
+ }
+ else
+ {
+ throw spdlog::spdlog_ex(fmt::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError()));
+ }
+}
+
+template<typename... Args>
+inline void spdlog::logger::log(source_loc source, level::level_enum lvl, const wchar_t *fmt, const Args &... args)
+{
+ if (!should_log(lvl))
+ {
+ return;
+ }
+
+ try
+ {
+ // format to wmemory_buffer and convert to utf8
+ using details::fmt_helper::to_string_view;
+ fmt::wmemory_buffer wbuf;
+ fmt::format_to(wbuf, fmt, args...);
+ fmt::memory_buffer buf;
+ wbuf_to_utf8buf(wbuf, buf);
+ details::log_msg log_msg(source, &name_, lvl, to_string_view(buf));
+ sink_it_(log_msg);
+ }
+ SPDLOG_CATCH_AND_HANDLE
+}
+
+template<typename... Args>
+inline void spdlog::logger::log(level::level_enum lvl, const wchar_t *fmt, const Args &... args)
+{
+ log(source_loc{}, lvl, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::trace(const wchar_t *fmt, const Args &... args)
+{
+ log(level::trace, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::debug(const wchar_t *fmt, const Args &... args)
+{
+ log(level::debug, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::info(const wchar_t *fmt, const Args &... args)
+{
+ log(level::info, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::warn(const wchar_t *fmt, const Args &... args)
+{
+ log(level::warn, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::error(const wchar_t *fmt, const Args &... args)
+{
+ log(level::err, fmt, args...);
+}
+
+template<typename... Args>
+inline void spdlog::logger::critical(const wchar_t *fmt, const Args &... args)
+{
+ log(level::critical, fmt, args...);
+}
+
+#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
+
+//
+// name and level
+//
+inline const std::string &spdlog::logger::name() const
+{
+ return name_;
+}
+
+inline void spdlog::logger::set_level(spdlog::level::level_enum log_level)
+{
+ level_.store(log_level);
+}
+
+inline void spdlog::logger::set_error_handler(spdlog::log_err_handler err_handler)
+{
+ err_handler_ = std::move(err_handler);
+}
+
+inline spdlog::log_err_handler spdlog::logger::error_handler() const
+{
+ return err_handler_;
+}
+
+inline void spdlog::logger::flush()
+{
+ try
+ {
+ flush_();
+ }
+ SPDLOG_CATCH_AND_HANDLE
+}
+
+inline void spdlog::logger::flush_on(level::level_enum log_level)
+{
+ flush_level_.store(log_level);
+}
+
+inline spdlog::level::level_enum spdlog::logger::flush_level() const
+{
+ return static_cast<spdlog::level::level_enum>(flush_level_.load(std::memory_order_relaxed));
+}
+
+inline bool spdlog::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);
+}
+
+inline spdlog::level::level_enum spdlog::logger::default_level()
+{
+ return static_cast<spdlog::level::level_enum>(SPDLOG_ACTIVE_LEVEL);
+}
+
+inline spdlog::level::level_enum spdlog::logger::level() const
+{
+ return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
+}
+
+inline bool spdlog::logger::should_log(spdlog::level::level_enum msg_level) const
+{
+ return msg_level >= level_.load(std::memory_order_relaxed);
+}
+
+//
+// protected virtual called at end of each user log call (if enabled) by the
+// line_logger
+//
+inline void spdlog::logger::sink_it_(details::log_msg &msg)
+{
+#if defined(SPDLOG_ENABLE_MESSAGE_COUNTER)
+ incr_msg_counter_(msg);
+#endif
+ for (auto &sink : sinks_)
+ {
+ if (sink->should_log(msg.level))
+ {
+ sink->log(msg);
+ }
+ }
+
+ if (should_flush_(msg))
+ {
+ flush_();
+ }
+}
+
+inline void spdlog::logger::flush_()
+{
+ for (auto &sink : sinks_)
+ {
+ sink->flush();
+ }
+}
+
+inline void spdlog::logger::default_err_handler_(const std::string &msg)
+{
+ auto now = time(nullptr);
+ if (now - last_err_time_ < 60)
+ {
+ return;
+ }
+ last_err_time_ = now;
+ auto tm_time = details::os::localtime(now);
+ char date_buf[100];
+ std::strftime(date_buf, sizeof(date_buf), "%Y-%m-%d %H:%M:%S", &tm_time);
+ fmt::print(stderr, "[*** LOG ERROR ***] [{}] [{}] {}\n", date_buf, name(), msg);
+}
+
+inline void spdlog::logger::incr_msg_counter_(details::log_msg &msg)
+{
+ msg.msg_id = msg_counter_.fetch_add(1, std::memory_order_relaxed);
+}
+
+inline const std::vector<spdlog::sink_ptr> &spdlog::logger::sinks() const
+{
+ return sinks_;
+}
+
+inline std::vector<spdlog::sink_ptr> &spdlog::logger::sinks()
+{
+ return sinks_;
+}
+
+inline std::shared_ptr<spdlog::logger> spdlog::logger::clone(std::string logger_name)
+{
+ auto cloned = std::make_shared<spdlog::logger>(std::move(logger_name), sinks_.begin(), sinks_.end());
+ cloned->set_level(this->level());
+ cloned->flush_on(this->flush_level());
+ cloned->set_error_handler(this->error_handler());
+ return cloned;
+}
diff --git a/include/spdlog/details/mpmc_blocking_q.h b/include/spdlog/details/mpmc_blocking_q.h
new file mode 100644
index 0000000000000000000000000000000000000000..ca789fc660e11554410f81e422c519760234e7b2
--- /dev/null
+++ b/include/spdlog/details/mpmc_blocking_q.h
@@ -0,0 +1,121 @@
+#pragma once
+
+//
+// Copyright(c) 2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+// 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;
+ }
+ q_.pop_front(popped_item);
+ }
+ 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;
+ }
+ q_.pop_front(popped_item);
+ 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
diff --git a/include/spdlog/details/null_mutex.h b/include/spdlog/details/null_mutex.h
new file mode 100644
index 0000000000000000000000000000000000000000..3f495bd98a36ad48174a0e0e51acf73f670d9952
--- /dev/null
+++ b/include/spdlog/details/null_mutex.h
@@ -0,0 +1,45 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include <atomic>
+// null, no cost dummy "mutex" and dummy "atomic" int
+
+namespace spdlog {
+namespace details {
+struct null_mutex
+{
+ void lock() {}
+ void unlock() {}
+ bool try_lock()
+ {
+ return true;
+ }
+};
+
+struct null_atomic_int
+{
+ int value;
+ null_atomic_int() = default;
+
+ explicit null_atomic_int(int val)
+ : value(val)
+ {
+ }
+
+ int load(std::memory_order) const
+ {
+ return value;
+ }
+
+ void store(int val)
+ {
+ value = val;
+ }
+};
+
+} // namespace details
+} // namespace spdlog
diff --git a/include/spdlog/details/os.h b/include/spdlog/details/os.h
new file mode 100644
index 0000000000000000000000000000000000000000..646805e608c4563ed2cc73d10c9b3b24d7c71bc7
--- /dev/null
+++ b/include/spdlog/details/os.h
@@ -0,0 +1,421 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+#pragma once
+
+#include "../common.h"
+
+#include <algorithm>
+#include <chrono>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+#include <functional>
+#include <string>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <thread>
+
+#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
+
+#else // unix
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#ifdef __linux__
+#include <sys/syscall.h> //Use gettid() syscall under linux to get thread id
+
+#elif __FreeBSD__
+#include <sys/thr.h> //Use thr_self() syscall under FreeBSD to get thread id
+#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 {
+
+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
+}
+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;
+}
+
+inline std::tm localtime() SPDLOG_NOEXCEPT
+{
+ std::time_t now_t = time(nullptr);
+ return localtime(now_t);
+}
+
+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;
+}
+
+inline std::tm gmtime() SPDLOG_NOEXCEPT
+{
+ std::time_t now_t = time(nullptr);
+ return gmtime(now_t);
+}
+
+// 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
+SPDLOG_CONSTEXPR static const char folder_sep = '\\';
+#else
+SPDLOG_CONSTEXPR static const char folder_sep = '/';
+#endif
+
+inline void prevent_child_fd(FILE *f)
+{
+
+#ifdef _WIN32
+#if !defined(__cplusplus_winrt)
+ auto file_handle = (HANDLE)_get_osfhandle(_fileno(f));
+ if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
+ throw spdlog_ex("SetHandleInformation failed", errno);
+#endif
+#else
+ auto fd = fileno(f);
+ if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
+ {
+ throw spdlog_ex("fcntl with FD_CLOEXEC failed", errno);
+ }
+#endif
+}
+
+// fopen_s on non windows for writing
+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;
+}
+
+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
+}
+
+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 if file exists
+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
+inline size_t filesize(FILE *f)
+{
+ if (f == nullptr)
+ {
+ 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(__FreeBSD__) && !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__)) && !defined(__CYGWIN__)
+ 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
+ throw spdlog_ex("Failed getting file size from fd", errno);
+}
+
+// Return utc offset in minutes or throw spdlog_ex on failure
+inline int utc_minutes_offset(const std::tm &tm = details::os::localtime())
+{
+
+#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)
+ 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)
+inline size_t _thread_id() SPDLOG_NOEXCEPT
+{
+#ifdef _WIN32
+ return static_cast<size_t>(::GetCurrentThreadId());
+#elif __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 __FreeBSD__
+ long tid;
+ thr_self(&tid);
+ return static_cast<size_t>(tid);
+#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)
+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
+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)
+#define SPDLOG_FILENAME_T(s) L##s
+inline std::string filename_to_str(const filename_t &filename)
+{
+ std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> c;
+ return c.to_bytes(filename);
+}
+#else
+#define SPDLOG_FILENAME_T(s) s
+inline std::string filename_to_str(const filename_t &filename)
+{
+ return filename;
+}
+#endif
+
+inline int pid()
+{
+
+#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/
+inline bool is_color_terminal() SPDLOG_NOEXCEPT
+{
+#ifdef _WIN32
+ return true;
+#else
+ static constexpr const char *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/
+inline bool in_terminal(FILE *file) SPDLOG_NOEXCEPT
+{
+
+#ifdef _WIN32
+ return _isatty(_fileno(file)) != 0;
+#else
+ return isatty(fileno(file)) != 0;
+#endif
+}
+} // namespace os
+} // namespace details
+} // namespace spdlog
diff --git a/include/spdlog/details/pattern_formatter.h b/include/spdlog/details/pattern_formatter.h
new file mode 100644
index 0000000000000000000000000000000000000000..c0ad86e8eb9366898db4406888b2c94e935d8523
--- /dev/null
+++ b/include/spdlog/details/pattern_formatter.h
@@ -0,0 +1,1336 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/fmt_helper.h"
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/os.h"
+#include "spdlog/fmt/fmt.h"
+#include "spdlog/formatter.h"
+
+#include <array>
+#include <chrono>
+#include <ctime>
+#include <cctype>
+#include <memory>
+#include <mutex>
+#include <string>
+#include <thread>
+#include <utility>
+#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 scoped_pad
+{
+public:
+ scoped_pad(size_t wrapped_size, padding_info &padinfo, fmt::memory_buffer &dest)
+ : padinfo_(padinfo)
+ , dest_(dest)
+ {
+
+ if (padinfo_.width_ <= wrapped_size)
+ {
+ total_pad_ = 0;
+ return;
+ }
+
+ total_pad_ = padinfo.width_ - wrapped_size;
+ if (padinfo_.side_ == padding_info::left)
+ {
+ pad_it(total_pad_);
+ total_pad_ = 0;
+ }
+ else if (padinfo_.side_ == padding_info::center)
+ {
+ auto half_pad = total_pad_ / 2;
+ auto reminder = total_pad_ & 1;
+ pad_it(half_pad);
+ total_pad_ = half_pad + reminder; // for the right side
+ }
+ }
+
+ scoped_pad(spdlog::string_view_t txt, padding_info &padinfo, fmt::memory_buffer &dest)
+ : scoped_pad(txt.size(), padinfo, dest)
+ {
+ }
+
+ ~scoped_pad()
+ {
+ if (total_pad_)
+ {
+ pad_it(total_pad_);
+ }
+ }
+
+private:
+ void pad_it(size_t count)
+ {
+ // count = std::min(count, spaces_.size());
+ assert(count <= spaces_.size());
+ fmt_helper::append_string_view(string_view_t(spaces_.data(), count), dest_);
+ }
+
+ const padding_info &padinfo_;
+ fmt::memory_buffer &dest_;
+ size_t total_pad_;
+ string_view_t spaces_{" "
+ " ",
+ 128};
+};
+
+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, fmt::memory_buffer &dest) = 0;
+
+protected:
+ padding_info padinfo_;
+};
+
+///////////////////////////////////////////////////////////////////////
+// name & level pattern appender
+///////////////////////////////////////////////////////////////////////
+class name_formatter : public flag_formatter
+{
+public:
+ explicit name_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ if (padinfo_.enabled())
+ {
+ scoped_pad p(*msg.logger_name, padinfo_, dest);
+ fmt_helper::append_string_view(*msg.logger_name, dest);
+ }
+ else
+ {
+ fmt_helper::append_string_view(*msg.logger_name, dest);
+ }
+ }
+};
+
+// log level appender
+class level_formatter : public flag_formatter
+{
+public:
+ explicit level_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ string_view_t &level_name = level::to_string_view(msg.level);
+ if (padinfo_.enabled())
+ {
+ scoped_pad p(level_name, padinfo_, dest);
+ fmt_helper::append_string_view(level_name, dest);
+ }
+ else
+ {
+ fmt_helper::append_string_view(level_name, dest);
+ }
+ }
+};
+
+// short log level appender
+class short_level_formatter : public flag_formatter
+{
+public:
+ explicit short_level_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ string_view_t level_name{level::to_short_c_str(msg.level)};
+ scoped_pad p(level_name, padinfo_, dest);
+ fmt_helper::append_string_view(level_name, dest);
+ }
+};
+
+///////////////////////////////////////////////////////////////////////
+// Date time pattern appenders
+///////////////////////////////////////////////////////////////////////
+
+static const char *ampm(const tm &t)
+{
+ return t.tm_hour >= 12 ? "PM" : "AM";
+}
+
+static int to12h(const tm &t)
+{
+ return t.tm_hour > 12 ? t.tm_hour - 12 : t.tm_hour;
+}
+
+// Abbreviated weekday name
+static const char *days[]{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
+class a_formatter : public flag_formatter
+{
+public:
+ explicit a_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ string_view_t field_value{days[tm_time.tm_wday]};
+ scoped_pad p(field_value, padinfo_, dest);
+ fmt_helper::append_string_view(field_value, dest);
+ }
+};
+
+// Full weekday name
+static const char *full_days[]{"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
+class A_formatter : public flag_formatter
+{
+public:
+ explicit A_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ string_view_t field_value{full_days[tm_time.tm_wday]};
+ scoped_pad p(field_value, padinfo_, dest);
+ fmt_helper::append_string_view(field_value, dest);
+ }
+};
+
+// Abbreviated month
+static const char *months[]{"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sept", "Oct", "Nov", "Dec"};
+class b_formatter : public flag_formatter
+{
+public:
+ explicit b_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ string_view_t field_value{months[tm_time.tm_mon]};
+ scoped_pad p(field_value, padinfo_, dest);
+ fmt_helper::append_string_view(field_value, dest);
+ }
+};
+
+// Full month name
+static const char *full_months[]{
+ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
+class B_formatter : public flag_formatter
+{
+public:
+ explicit B_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ string_view_t field_value{full_months[tm_time.tm_mon]};
+ scoped_pad p(field_value, padinfo_, dest);
+ fmt_helper::append_string_view(field_value, dest);
+ }
+};
+
+// Date and time representation (Thu Aug 23 15:35:46 2014)
+class c_formatter final : public flag_formatter
+{
+public:
+ explicit c_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 24;
+ scoped_pad p(field_size, padinfo_, dest);
+
+ fmt_helper::append_string_view(days[tm_time.tm_wday], dest);
+ dest.push_back(' ');
+ fmt_helper::append_string_view(months[tm_time.tm_mon], dest);
+ dest.push_back(' ');
+ fmt_helper::append_int(tm_time.tm_mday, dest);
+ dest.push_back(' ');
+ // time
+
+ fmt_helper::pad2(tm_time.tm_hour, dest);
+ dest.push_back(':');
+ fmt_helper::pad2(tm_time.tm_min, dest);
+ dest.push_back(':');
+ fmt_helper::pad2(tm_time.tm_sec, dest);
+ dest.push_back(' ');
+ fmt_helper::append_int(tm_time.tm_year + 1900, dest);
+ }
+};
+
+// year - 2 digit
+class C_formatter final : public flag_formatter
+{
+public:
+ explicit C_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 2;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad2(tm_time.tm_year % 100, dest);
+ }
+};
+
+// Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01
+class D_formatter final : public flag_formatter
+{
+public:
+ explicit D_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 10;
+ scoped_pad p(field_size, padinfo_, dest);
+
+ fmt_helper::pad2(tm_time.tm_mon + 1, dest);
+ dest.push_back('/');
+ fmt_helper::pad2(tm_time.tm_mday, dest);
+ dest.push_back('/');
+ fmt_helper::pad2(tm_time.tm_year % 100, dest);
+ }
+};
+
+// year - 4 digit
+class Y_formatter final : public flag_formatter
+{
+public:
+ explicit Y_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 4;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::append_int(tm_time.tm_year + 1900, dest);
+ }
+};
+
+// month 1-12
+class m_formatter final : public flag_formatter
+{
+public:
+ explicit m_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 2;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad2(tm_time.tm_mon + 1, dest);
+ }
+};
+
+// day of month 1-31
+class d_formatter final : public flag_formatter
+{
+public:
+ explicit d_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 2;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad2(tm_time.tm_mday, dest);
+ }
+};
+
+// hours in 24 format 0-23
+class H_formatter final : public flag_formatter
+{
+public:
+ explicit H_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 2;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad2(tm_time.tm_hour, dest);
+ }
+};
+
+// hours in 12 format 1-12
+class I_formatter final : public flag_formatter
+{
+public:
+ explicit I_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 2;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad2(to12h(tm_time), dest);
+ }
+};
+
+// minutes 0-59
+class M_formatter final : public flag_formatter
+{
+public:
+ explicit M_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 2;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad2(tm_time.tm_min, dest);
+ }
+};
+
+// seconds 0-59
+class S_formatter final : public flag_formatter
+{
+public:
+ explicit S_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 2;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad2(tm_time.tm_sec, dest);
+ }
+};
+
+// milliseconds
+class e_formatter final : public flag_formatter
+{
+public:
+ explicit e_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ auto millis = fmt_helper::time_fraction<std::chrono::milliseconds>(msg.time);
+ if (padinfo_.enabled())
+ {
+ const size_t field_size = 3;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad3(static_cast<uint32_t>(millis.count()), dest);
+ }
+ else
+ {
+ fmt_helper::pad3(static_cast<uint32_t>(millis.count()), dest);
+ }
+ }
+};
+
+// microseconds
+class f_formatter final : public flag_formatter
+{
+public:
+ explicit f_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ auto micros = fmt_helper::time_fraction<std::chrono::microseconds>(msg.time);
+ if (padinfo_.enabled())
+ {
+ const size_t field_size = 6;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad6(static_cast<size_t>(micros.count()), dest);
+ }
+ else
+ {
+ fmt_helper::pad6(static_cast<size_t>(micros.count()), dest);
+ }
+ }
+};
+
+// nanoseconds
+class F_formatter final : public flag_formatter
+{
+public:
+ explicit F_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ auto ns = fmt_helper::time_fraction<std::chrono::nanoseconds>(msg.time);
+ if (padinfo_.enabled())
+ {
+ const size_t field_size = 9;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad9(static_cast<size_t>(ns.count()), dest);
+ }
+ else
+ {
+ fmt_helper::pad9(static_cast<size_t>(ns.count()), dest);
+ }
+ }
+};
+
+// seconds since epoch
+class E_formatter final : public flag_formatter
+{
+public:
+ explicit E_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 10;
+ scoped_pad p(field_size, padinfo_, dest);
+ auto duration = msg.time.time_since_epoch();
+ auto seconds = std::chrono::duration_cast<std::chrono::seconds>(duration).count();
+ fmt_helper::append_int(seconds, dest);
+ }
+};
+
+// AM/PM
+class p_formatter final : public flag_formatter
+{
+public:
+ explicit p_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 2;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::append_string_view(ampm(tm_time), dest);
+ }
+};
+
+// 12 hour clock 02:55:02 pm
+class r_formatter final : public flag_formatter
+{
+public:
+ explicit r_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 11;
+ scoped_pad p(field_size, padinfo_, dest);
+
+ fmt_helper::pad2(to12h(tm_time), dest);
+ dest.push_back(':');
+ fmt_helper::pad2(tm_time.tm_min, dest);
+ dest.push_back(':');
+ fmt_helper::pad2(tm_time.tm_sec, dest);
+ dest.push_back(' ');
+ fmt_helper::append_string_view(ampm(tm_time), dest);
+ }
+};
+
+// 24-hour HH:MM time, equivalent to %H:%M
+class R_formatter final : public flag_formatter
+{
+public:
+ explicit R_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 5;
+ scoped_pad p(field_size, padinfo_, dest);
+
+ fmt_helper::pad2(tm_time.tm_hour, dest);
+ dest.push_back(':');
+ fmt_helper::pad2(tm_time.tm_min, dest);
+ }
+};
+
+// ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S
+class T_formatter final : public flag_formatter
+{
+public:
+ explicit T_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 8;
+ scoped_pad p(field_size, padinfo_, dest);
+
+ fmt_helper::pad2(tm_time.tm_hour, dest);
+ dest.push_back(':');
+ fmt_helper::pad2(tm_time.tm_min, dest);
+ dest.push_back(':');
+ fmt_helper::pad2(tm_time.tm_sec, dest);
+ }
+};
+
+// ISO 8601 offset from UTC in timezone (+-HH:MM)
+class z_formatter final : public flag_formatter
+{
+public:
+ explicit z_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ const std::chrono::seconds cache_refresh = std::chrono::seconds(5);
+
+ z_formatter() = default;
+ z_formatter(const z_formatter &) = delete;
+ z_formatter &operator=(const z_formatter &) = delete;
+
+ void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 6;
+ scoped_pad p(field_size, padinfo_, dest);
+
+#ifdef _WIN32
+ int total_minutes = get_cached_offset(msg, tm_time);
+#else
+ // No need to chache under gcc,
+ // it is very fast (already stored in tm.tm_gmtoff)
+ (void)(msg);
+ int total_minutes = os::utc_minutes_offset(tm_time);
+#endif
+ bool is_negative = total_minutes < 0;
+ if (is_negative)
+ {
+ total_minutes = -total_minutes;
+ dest.push_back('-');
+ }
+ else
+ {
+ dest.push_back('+');
+ }
+
+ fmt_helper::pad2(total_minutes / 60, dest); // hours
+ dest.push_back(':');
+ fmt_helper::pad2(total_minutes % 60, dest); // minutes
+ }
+
+private:
+ log_clock::time_point last_update_{std::chrono::seconds(0)};
+#ifdef _WIN32
+ int offset_minutes_{0};
+
+ int get_cached_offset(const log_msg &msg, const std::tm &tm_time)
+ {
+ if (msg.time - last_update_ >= cache_refresh)
+ {
+ offset_minutes_ = os::utc_minutes_offset(tm_time);
+ last_update_ = msg.time;
+ }
+ return offset_minutes_;
+ }
+#endif
+};
+
+// Thread id
+class t_formatter final : public flag_formatter
+{
+public:
+ explicit t_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ if (padinfo_.enabled())
+ {
+ const auto field_size = fmt_helper::count_digits(msg.thread_id);
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::append_int(msg.thread_id, dest);
+ }
+ else
+ {
+ fmt_helper::append_int(msg.thread_id, dest);
+ }
+ }
+};
+
+// Current pid
+class pid_formatter final : public flag_formatter
+{
+public:
+ explicit pid_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ const auto pid = static_cast<uint32_t>(details::os::pid());
+ if (padinfo_.enabled())
+ {
+ auto field_size = fmt_helper::count_digits(pid);
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::append_int(pid, dest);
+ }
+ else
+ {
+ fmt_helper::append_int(pid, dest);
+ }
+ }
+};
+
+// message counter formatter
+class i_formatter final : public flag_formatter
+{
+public:
+ explicit i_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 6;
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::pad6(msg.msg_id, dest);
+ }
+};
+
+class v_formatter final : public flag_formatter
+{
+public:
+ explicit v_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ if (padinfo_.enabled())
+ {
+ scoped_pad p(msg.payload, padinfo_, dest);
+ fmt_helper::append_string_view(msg.payload, dest);
+ }
+ else
+ {
+ fmt_helper::append_string_view(msg.payload, dest);
+ }
+ }
+};
+
+class ch_formatter final : public flag_formatter
+{
+public:
+ explicit ch_formatter(char ch)
+ : ch_(ch)
+ {
+ }
+
+ void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ const size_t field_size = 1;
+ scoped_pad p(field_size, padinfo_, dest);
+ dest.push_back(ch_);
+ }
+
+private:
+ char ch_;
+};
+
+// aggregate user chars to display as is
+class aggregate_formatter final : public flag_formatter
+{
+public:
+ aggregate_formatter() = default;
+
+ void add_ch(char ch)
+ {
+ str_ += ch;
+ }
+ void format(const details::log_msg &, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ fmt_helper::append_string_view(str_, dest);
+ }
+
+private:
+ std::string str_;
+};
+
+// mark the color range. expect it to be in the form of "%^colored text%$"
+class color_start_formatter final : public flag_formatter
+{
+public:
+ explicit color_start_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ msg.color_range_start = dest.size();
+ }
+};
+class color_stop_formatter final : public flag_formatter
+{
+public:
+ explicit color_stop_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ msg.color_range_end = dest.size();
+ }
+};
+
+// print source location
+class source_location_formatter final : public flag_formatter
+{
+public:
+ explicit source_location_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ if (msg.source.empty())
+ {
+ return;
+ }
+ if (padinfo_.enabled())
+ {
+ const auto text_size = std::char_traits<char>::length(msg.source.filename) + fmt_helper::count_digits(msg.source.line) + 1;
+ scoped_pad p(text_size, padinfo_, dest);
+ fmt_helper::append_string_view(msg.source.filename, dest);
+ dest.push_back(':');
+ fmt_helper::append_int(msg.source.line, dest);
+ }
+ else
+ {
+ fmt_helper::append_string_view(msg.source.filename, dest);
+ dest.push_back(':');
+ fmt_helper::append_int(msg.source.line, dest);
+ }
+ }
+};
+// print source filename
+class source_filename_formatter final : public flag_formatter
+{
+public:
+ explicit source_filename_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ if (msg.source.empty())
+ {
+ return;
+ }
+ scoped_pad p(msg.source.filename, padinfo_, dest);
+ fmt_helper::append_string_view(msg.source.filename, dest);
+ }
+};
+
+class source_linenum_formatter final : public flag_formatter
+{
+public:
+ explicit source_linenum_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ if (msg.source.empty())
+ {
+ return;
+ }
+ if (padinfo_.enabled())
+ {
+ auto field_size = fmt_helper::count_digits(msg.source.line);
+ scoped_pad p(field_size, padinfo_, dest);
+ fmt_helper::append_int(msg.source.line, dest);
+ }
+ else
+ {
+ fmt_helper::append_int(msg.source.line, dest);
+ }
+ }
+};
+// print source funcname
+class source_funcname_formatter final : public flag_formatter
+{
+public:
+ explicit source_funcname_formatter(padding_info padinfo)
+ : flag_formatter(padinfo){};
+
+ void format(const details::log_msg &msg, const std::tm &, fmt::memory_buffer &dest) override
+ {
+ if (msg.source.empty())
+ {
+ return;
+ }
+ scoped_pad p(msg.source.funcname, padinfo_, dest);
+ fmt_helper::append_string_view(msg.source.funcname, dest);
+ }
+};
+
+// Full info formatter
+// pattern: [%Y-%m-%d %H:%M:%S.%e] [%n] [%l] %v
+class full_formatter final : public flag_formatter
+{
+public:
+ explicit full_formatter(padding_info padinfo)
+ : flag_formatter(padinfo)
+ {
+ }
+
+ void format(const details::log_msg &msg, const std::tm &tm_time, fmt::memory_buffer &dest) override
+ {
+ using std::chrono::duration_cast;
+ using std::chrono::milliseconds;
+ using std::chrono::seconds;
+
+#ifndef SPDLOG_NO_DATETIME
+
+ // cache the date/time part for the next second.
+ auto duration = msg.time.time_since_epoch();
+ auto secs = duration_cast<seconds>(duration);
+
+ if (cache_timestamp_ != secs || cached_datetime_.size() == 0)
+ {
+ cached_datetime_.clear();
+ cached_datetime_.push_back('[');
+ fmt_helper::append_int(tm_time.tm_year + 1900, cached_datetime_);
+ cached_datetime_.push_back('-');
+
+ fmt_helper::pad2(tm_time.tm_mon + 1, cached_datetime_);
+ cached_datetime_.push_back('-');
+
+ fmt_helper::pad2(tm_time.tm_mday, cached_datetime_);
+ cached_datetime_.push_back(' ');
+
+ fmt_helper::pad2(tm_time.tm_hour, cached_datetime_);
+ cached_datetime_.push_back(':');
+
+ fmt_helper::pad2(tm_time.tm_min, cached_datetime_);
+ cached_datetime_.push_back(':');
+
+ fmt_helper::pad2(tm_time.tm_sec, cached_datetime_);
+ cached_datetime_.push_back('.');
+
+ cache_timestamp_ = secs;
+ }
+ fmt_helper::append_buf(cached_datetime_, dest);
+
+ auto millis = fmt_helper::time_fraction<milliseconds>(msg.time);
+ fmt_helper::pad3(static_cast<uint32_t>(millis.count()), dest);
+ dest.push_back(']');
+ dest.push_back(' ');
+
+#else // no datetime needed
+ (void)tm_time;
+#endif
+
+#ifndef SPDLOG_NO_NAME
+ if (!msg.logger_name->empty())
+ {
+ dest.push_back('[');
+ // fmt_helper::append_str(*msg.logger_name, dest);
+ fmt_helper::append_string_view(*msg.logger_name, dest);
+ dest.push_back(']');
+ dest.push_back(' ');
+ }
+#endif
+
+ dest.push_back('[');
+ // wrap the level name with color
+ msg.color_range_start = dest.size();
+ // fmt_helper::append_string_view(level::to_c_str(msg.level), dest);
+ fmt_helper::append_string_view(level::to_string_view(msg.level), dest);
+ msg.color_range_end = dest.size();
+ dest.push_back(']');
+ dest.push_back(' ');
+
+ // add source location if present
+ if (!msg.source.empty())
+ {
+ dest.push_back('[');
+ fmt_helper::append_string_view(msg.source.filename, dest);
+ dest.push_back(':');
+ fmt_helper::append_int(msg.source.line, dest);
+ dest.push_back(']');
+ dest.push_back(' ');
+ }
+ // fmt_helper::append_string_view(msg.msg(), dest);
+ fmt_helper::append_string_view(msg.payload, dest);
+ }
+
+private:
+ std::chrono::seconds cache_timestamp_{0};
+ fmt::basic_memory_buffer<char, 128> cached_datetime_;
+};
+
+} // 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)
+ : pattern_(std::move(pattern))
+ , eol_(std::move(eol))
+ , pattern_time_type_(time_type)
+ , last_log_secs_(0)
+ {
+ std::memset(&cached_tm_, 0, sizeof(cached_tm_));
+ compile_pattern_(pattern_);
+ }
+
+ // use by default full formatter for if 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_("%+")
+ , eol_(std::move(eol))
+ , pattern_time_type_(time_type)
+ , last_log_secs_(0)
+ {
+ std::memset(&cached_tm_, 0, sizeof(cached_tm_));
+ formatters_.push_back(details::make_unique<details::full_formatter>(details::padding_info{}));
+ }
+
+ pattern_formatter(const pattern_formatter &other) = delete;
+ pattern_formatter &operator=(const pattern_formatter &other) = delete;
+
+ std::unique_ptr<formatter> clone() const override
+ {
+ return details::make_unique<pattern_formatter>(pattern_, pattern_time_type_, eol_);
+ }
+
+ void format(const details::log_msg &msg, fmt::memory_buffer &dest) override
+ {
+#ifndef SPDLOG_NO_DATETIME
+ auto secs = std::chrono::duration_cast<std::chrono::seconds>(msg.time.time_since_epoch());
+ if (secs != last_log_secs_)
+ {
+ cached_tm_ = get_time_(msg);
+ last_log_secs_ = secs;
+ }
+#endif
+ for (auto &f : formatters_)
+ {
+ f->format(msg, cached_tm_, dest);
+ }
+ // write eol
+ details::fmt_helper::append_string_view(eol_, dest);
+ }
+
+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)
+ {
+ if (pattern_time_type_ == pattern_time_type::local)
+ {
+ return details::os::localtime(log_clock::to_time_t(msg.time));
+ }
+ return details::os::gmtime(log_clock::to_time_t(msg.time));
+ }
+
+ void handle_flag_(char flag, details::padding_info padding)
+ {
+ switch (flag)
+ {
+
+ case ('+'): // default formatter
+ formatters_.push_back(details::make_unique<details::full_formatter>(padding));
+ break;
+
+ case 'n': // logger name
+ formatters_.push_back(details::make_unique<details::name_formatter>(padding));
+ break;
+
+ case 'l': // level
+ formatters_.push_back(details::make_unique<details::level_formatter>(padding));
+ break;
+
+ case 'L': // short level
+ formatters_.push_back(details::make_unique<details::short_level_formatter>(padding));
+ break;
+
+ case ('t'): // thread id
+ formatters_.push_back(details::make_unique<details::t_formatter>(padding));
+ break;
+
+ case ('v'): // the message text
+ formatters_.push_back(details::make_unique<details::v_formatter>(padding));
+ break;
+
+ case ('a'): // weekday
+ formatters_.push_back(details::make_unique<details::a_formatter>(padding));
+ break;
+
+ case ('A'): // short weekday
+ formatters_.push_back(details::make_unique<details::A_formatter>(padding));
+ break;
+
+ case ('b'):
+ case ('h'): // month
+ formatters_.push_back(details::make_unique<details::b_formatter>(padding));
+ break;
+
+ case ('B'): // short month
+ formatters_.push_back(details::make_unique<details::B_formatter>(padding));
+ break;
+
+ case ('c'): // datetime
+ formatters_.push_back(details::make_unique<details::c_formatter>(padding));
+ break;
+
+ case ('C'): // year 2 digits
+ formatters_.push_back(details::make_unique<details::C_formatter>(padding));
+ break;
+
+ case ('Y'): // year 4 digits
+ formatters_.push_back(details::make_unique<details::Y_formatter>(padding));
+ break;
+
+ case ('D'):
+ case ('x'): // datetime MM/DD/YY
+ formatters_.push_back(details::make_unique<details::D_formatter>(padding));
+ break;
+
+ case ('m'): // month 1-12
+ formatters_.push_back(details::make_unique<details::m_formatter>(padding));
+ break;
+
+ case ('d'): // day of month 1-31
+ formatters_.push_back(details::make_unique<details::d_formatter>(padding));
+ break;
+
+ case ('H'): // hours 24
+ formatters_.push_back(details::make_unique<details::H_formatter>(padding));
+ break;
+
+ case ('I'): // hours 12
+ formatters_.push_back(details::make_unique<details::I_formatter>(padding));
+ break;
+
+ case ('M'): // minutes
+ formatters_.push_back(details::make_unique<details::M_formatter>(padding));
+ break;
+
+ case ('S'): // seconds
+ formatters_.push_back(details::make_unique<details::S_formatter>(padding));
+ break;
+
+ case ('e'): // milliseconds
+ formatters_.push_back(details::make_unique<details::e_formatter>(padding));
+ break;
+
+ case ('f'): // microseconds
+ formatters_.push_back(details::make_unique<details::f_formatter>(padding));
+ break;
+
+ case ('F'): // nanoseconds
+ formatters_.push_back(details::make_unique<details::F_formatter>(padding));
+ break;
+
+ case ('E'): // seconds since epoch
+ formatters_.push_back(details::make_unique<details::E_formatter>(padding));
+ break;
+
+ case ('p'): // am/pm
+ formatters_.push_back(details::make_unique<details::p_formatter>(padding));
+ break;
+
+ case ('r'): // 12 hour clock 02:55:02 pm
+ formatters_.push_back(details::make_unique<details::r_formatter>(padding));
+ break;
+
+ case ('R'): // 24-hour HH:MM time
+ formatters_.push_back(details::make_unique<details::R_formatter>(padding));
+ break;
+
+ case ('T'):
+ case ('X'): // ISO 8601 time format (HH:MM:SS)
+ formatters_.push_back(details::make_unique<details::T_formatter>(padding));
+ break;
+
+ case ('z'): // timezone
+ formatters_.push_back(details::make_unique<details::z_formatter>(padding));
+ break;
+
+ case ('P'): // pid
+ formatters_.push_back(details::make_unique<details::pid_formatter>(padding));
+ break;
+
+#ifdef SPDLOG_ENABLE_MESSAGE_COUNTER
+ case ('i'):
+ formatters_.push_back(details::make_unique<details::i_formatter>(padding));
+ break;
+#endif
+ case ('^'): // color range start
+ formatters_.push_back(details::make_unique<details::color_start_formatter>(padding));
+ break;
+
+ case ('$'): // color range end
+ formatters_.push_back(details::make_unique<details::color_stop_formatter>(padding));
+ break;
+
+ case ('@'): // source location (filename:filenumber)
+ formatters_.push_back(details::make_unique<details::source_location_formatter>(padding));
+ break;
+
+ case ('s'): // source filename
+ formatters_.push_back(details::make_unique<details::source_filename_formatter>(padding));
+ break;
+
+ case ('#'): // source line number
+ formatters_.push_back(details::make_unique<details::source_linenum_formatter>(padding));
+ break;
+
+ case ('!'): // source funcname
+ formatters_.push_back(details::make_unique<details::source_funcname_formatter>(padding));
+ break;
+
+ case ('%'): // % char
+ formatters_.push_back(details::make_unique<details::ch_formatter>('%'));
+ break;
+
+ default: // Unknown flag appears as is
+ auto unknown_flag = details::make_unique<details::aggregate_formatter>();
+ unknown_flag->add_ch('%');
+ unknown_flag->add_ch(flag);
+ formatters_.push_back((std::move(unknown_flag)));
+ break;
+ }
+ }
+
+ // 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)
+ {
+ using details::padding_info;
+ using details::scoped_pad;
+ const size_t max_width = 128;
+ if (it == end)
+ {
+ return padding_info{};
+ }
+
+ padding_info::pad_side side;
+ switch (*it)
+ {
+ case '-':
+ side = padding_info::right;
+ ++it;
+ break;
+ case '=':
+ side = padding_info::center;
+ ++it;
+ break;
+ default:
+ side = details::padding_info::left;
+ break;
+ }
+
+ if (it == end || !std::isdigit(static_cast<unsigned char>(*it)))
+ {
+ return padding_info{0, side};
+ }
+
+ auto width = static_cast<size_t>(*it - '0');
+ for (++it; it != end && std::isdigit(static_cast<unsigned char>(*it)); ++it)
+ {
+ auto digit = static_cast<size_t>(*it - '0');
+ width = width * 10 + digit;
+ }
+ return details::padding_info{std::min<size_t>(width, max_width), side};
+ }
+
+ void compile_pattern_(const std::string &pattern)
+ {
+ auto end = pattern.end();
+ std::unique_ptr<details::aggregate_formatter> user_chars;
+ formatters_.clear();
+ for (auto it = pattern.begin(); it != end; ++it)
+ {
+ if (*it == '%')
+ {
+ if (user_chars) // append user chars found so far
+ {
+ formatters_.push_back(std::move(user_chars));
+ }
+
+ auto padding = handle_padspec_(++it, end);
+
+ if (it != end)
+ {
+ handle_flag_(*it, padding);
+ }
+ else
+ {
+ break;
+ }
+ }
+ else // chars not following the % sign should be displayed as is
+ {
+ if (!user_chars)
+ {
+ user_chars = details::make_unique<details::aggregate_formatter>();
+ }
+ user_chars->add_ch(*it);
+ }
+ }
+ if (user_chars) // append raw chars found so far
+ {
+ formatters_.push_back(std::move(user_chars));
+ }
+ }
+};
+} // namespace spdlog
diff --git a/include/spdlog/details/periodic_worker.h b/include/spdlog/details/periodic_worker.h
new file mode 100644
index 0000000000000000000000000000000000000000..fa6488d17d6d0d8f6464432613f64ee7c2e8cc8f
--- /dev/null
+++ b/include/spdlog/details/periodic_worker.h
@@ -0,0 +1,71 @@
+
+//
+// Copyright(c) 2018 Gabi Melman.
+// 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)
+ {
+ 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();
+ }
+ });
+ }
+
+ periodic_worker(const periodic_worker &) = delete;
+ periodic_worker &operator=(const periodic_worker &) = delete;
+
+ // stop the worker thread and join it
+ ~periodic_worker()
+ {
+ if (worker_thread_.joinable())
+ {
+ {
+ std::lock_guard<std::mutex> lock(mutex_);
+ active_ = false;
+ }
+ cv_.notify_one();
+ worker_thread_.join();
+ }
+ }
+
+private:
+ bool active_;
+ std::thread worker_thread_;
+ std::mutex mutex_;
+ std::condition_variable cv_;
+};
+} // namespace details
+} // namespace spdlog
diff --git a/include/spdlog/details/registry.h b/include/spdlog/details/registry.h
new file mode 100644
index 0000000000000000000000000000000000000000..ccd539557dff4b59ff132e46f8dd30f6afc1de0b
--- /dev/null
+++ b/include/spdlog/details/registry.h
@@ -0,0 +1,285 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// Loggers registy of unique name->logger pointer
+// An attempt to create a logger with an already existing name will be ignored
+// If user requests a non existing logger, nullptr will be returned
+// This class is thread safe
+
+#include "spdlog/common.h"
+#include "spdlog/details/periodic_worker.h"
+#include "spdlog/logger.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 {
+class thread_pool;
+
+class registry
+{
+public:
+ registry(const registry &) = delete;
+ registry &operator=(const registry &) = delete;
+
+ void register_logger(std::shared_ptr<logger> new_logger)
+ {
+ std::lock_guard<std::mutex> lock(logger_map_mutex_);
+ register_logger_(std::move(new_logger));
+ }
+
+ void 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 (automatic_registration_)
+ {
+ register_logger_(std::move(new_logger));
+ }
+ }
+
+ std::shared_ptr<logger> 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;
+ }
+
+ std::shared_ptr<logger> 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.
+ logger *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.
+ void 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);
+ }
+
+ void set_tp(std::shared_ptr<thread_pool> tp)
+ {
+ std::lock_guard<std::recursive_mutex> lock(tp_mutex_);
+ tp_ = std::move(tp);
+ }
+
+ std::shared_ptr<thread_pool> 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
+ void 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());
+ }
+ }
+
+ void 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;
+ }
+
+ void 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;
+ }
+
+ void flush_every(std::chrono::seconds interval)
+ {
+ std::lock_guard<std::mutex> lock(flusher_mutex_);
+ std::function<void()> clbk = std::bind(®istry::flush_all, this);
+ periodic_flusher_ = details::make_unique<periodic_worker>(clbk, interval);
+ }
+
+ void set_error_handler(log_err_handler handler)
+ {
+ std::lock_guard<std::mutex> lock(logger_map_mutex_);
+ for (auto &l : loggers_)
+ {
+ l.second->set_error_handler(handler);
+ }
+ err_handler_ = handler;
+ }
+
+ void 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);
+ }
+ }
+
+ void flush_all()
+ {
+ std::lock_guard<std::mutex> lock(logger_map_mutex_);
+ for (auto &l : loggers_)
+ {
+ l.second->flush();
+ }
+ }
+
+ void 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();
+ }
+ }
+
+ void 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
+ void 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();
+ }
+ }
+
+ std::recursive_mutex &tp_mutex()
+ {
+ return tp_mutex_;
+ }
+
+ void set_automatic_registration(bool automatic_regsistration)
+ {
+ std::lock_guard<std::mutex> lock(logger_map_mutex_);
+ automatic_registration_ = automatic_regsistration;
+ }
+
+ static registry &instance()
+ {
+ static registry s_instance;
+ return s_instance;
+ }
+
+private:
+ 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
+ }
+
+ ~registry() = default;
+
+ void throw_if_exists_(const std::string &logger_name)
+ {
+ if (loggers_.find(logger_name) != loggers_.end())
+ {
+ throw spdlog_ex("logger with name '" + logger_name + "' already exists");
+ }
+ }
+
+ void 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);
+ }
+
+ 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_ = spdlog::logger::default_level();
+ level::level_enum flush_level_ = level::off;
+ log_err_handler err_handler_;
+ std::shared_ptr<thread_pool> tp_;
+ std::unique_ptr<periodic_worker> periodic_flusher_;
+ std::shared_ptr<logger> default_logger_;
+ bool automatic_registration_ = true;
+};
+
+} // namespace details
+} // namespace spdlog
diff --git a/include/spdlog/details/thread_pool.h b/include/spdlog/details/thread_pool.h
new file mode 100644
index 0000000000000000000000000000000000000000..35578971ab369cea7317909c2f2049943b6456c0
--- /dev/null
+++ b/include/spdlog/details/thread_pool.h
@@ -0,0 +1,238 @@
+#pragma once
+
+#include "spdlog/details/fmt_helper.h"
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/mpmc_blocking_q.h"
+#include "spdlog/details/os.h"
+
+#include <chrono>
+#include <memory>
+#include <thread>
+#include <vector>
+
+namespace spdlog {
+namespace details {
+
+using async_logger_ptr = std::shared_ptr<spdlog::async_logger>;
+
+enum class async_msg_type
+{
+ log,
+ flush,
+ terminate
+};
+
+// Async msg to move to/from the queue
+// Movable only. should never be copied
+struct async_msg
+{
+ async_msg_type msg_type;
+ level::level_enum level;
+ log_clock::time_point time;
+ size_t thread_id;
+ fmt::basic_memory_buffer<char, 176> raw;
+
+ size_t msg_id;
+ source_loc source;
+ 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) SPDLOG_NOEXCEPT : msg_type(other.msg_type),
+ level(other.level),
+ time(other.time),
+ thread_id(other.thread_id),
+ raw(move(other.raw)),
+ msg_id(other.msg_id),
+ source(other.source),
+ worker_ptr(std::move(other.worker_ptr))
+ {
+ }
+
+ async_msg &operator=(async_msg &&other) SPDLOG_NOEXCEPT
+ {
+ msg_type = other.msg_type;
+ level = other.level;
+ time = other.time;
+ thread_id = other.thread_id;
+ raw = std::move(other.raw);
+ msg_id = other.msg_id;
+ source = other.source;
+ 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, details::log_msg &m)
+ : msg_type(the_type)
+ , level(m.level)
+ , time(m.time)
+ , thread_id(m.thread_id)
+ , msg_id(m.msg_id)
+ , source(m.source)
+ , worker_ptr(std::move(worker))
+ {
+ fmt_helper::append_string_view(m.payload, raw);
+ }
+
+ async_msg(async_logger_ptr &&worker, async_msg_type the_type)
+ : msg_type(the_type)
+ , level(level::off)
+ , time()
+ , thread_id(0)
+ , msg_id(0)
+ , source()
+ , worker_ptr(std::move(worker))
+ {
+ }
+
+ explicit async_msg(async_msg_type the_type)
+ : async_msg(nullptr, the_type)
+ {
+ }
+
+ // copy into log_msg
+ log_msg to_log_msg()
+ {
+ log_msg msg(&worker_ptr->name(), level, string_view_t(raw.data(), raw.size()));
+ msg.time = time;
+ msg.thread_id = thread_id;
+ msg.msg_id = msg_id;
+ msg.source = source;
+ msg.color_range_start = 0;
+ msg.color_range_end = 0;
+ return msg;
+ }
+};
+
+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)
+ : q_(q_max_items)
+ {
+ // std::cout << "thread_pool() q_size_bytes: " << q_size_bytes <<
+ // "\tthreads_n: " << threads_n << std::endl;
+ if (threads_n == 0 || threads_n > 1000)
+ {
+ 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(&thread_pool::worker_loop_, this);
+ }
+ }
+
+ // message all threads to terminate gracefully join them
+ ~thread_pool()
+ {
+ 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();
+ }
+ }
+ catch (...)
+ {
+ }
+ }
+
+ thread_pool(const thread_pool &) = delete;
+ thread_pool &operator=(thread_pool &&) = delete;
+
+ void post_log(async_logger_ptr &&worker_ptr, 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 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 overrun_counter()
+ {
+ return q_.overrun_counter();
+ }
+
+private:
+ q_type q_;
+
+ std::vector<std::thread> threads_;
+
+ void 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 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 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:
+ {
+ auto msg = incoming_async_msg.to_log_msg();
+ incoming_async_msg.worker_ptr->backend_log_(msg);
+ return true;
+ }
+ case async_msg_type::flush:
+ {
+ incoming_async_msg.worker_ptr->backend_flush_();
+ return true;
+ }
+
+ case async_msg_type::terminate:
+ {
+ return false;
+ }
+ }
+ assert(false && "Unexpected async_msg_type");
+ return true;
+ }
+};
+
+} // namespace details
+} // namespace spdlog
diff --git a/include/spdlog/fmt/bin_to_hex.h b/include/spdlog/fmt/bin_to_hex.h
new file mode 100644
index 0000000000000000000000000000000000000000..3523380204e096681830ae22993fd19718976eee
--- /dev/null
+++ b/include/spdlog/fmt/bin_to_hex.h
@@ -0,0 +1,172 @@
+//
+// 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;
+ auto inserter = ctx.begin();
+
+ 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
diff --git a/include/spdlog/fmt/bundled/LICENSE.rst b/include/spdlog/fmt/bundled/LICENSE.rst
new file mode 100644
index 0000000000000000000000000000000000000000..eb6be6503e93cc384f912841c7c7cbc65e5aa709
--- /dev/null
+++ b/include/spdlog/fmt/bundled/LICENSE.rst
@@ -0,0 +1,23 @@
+Copyright (c) 2012 - 2016, Victor Zverovich
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/include/spdlog/fmt/bundled/chrono.h b/include/spdlog/fmt/bundled/chrono.h
new file mode 100644
index 0000000000000000000000000000000000000000..209cdc25adadbce5fc318fc7d385c457eaa14e3e
--- /dev/null
+++ b/include/spdlog/fmt/bundled/chrono.h
@@ -0,0 +1,452 @@
+// 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>
+
+FMT_BEGIN_NAMESPACE
+
+namespace internal{
+
+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)
+ 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 'z':
+ handler.on_utc_offset();
+ break;
+ case 'Z':
+ handler.on_tz_name();
+ break;
+ // Alternative representation:
+ case 'E': {
+ if (ptr == end)
+ 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:
+ throw format_error("invalid format");
+ }
+ break;
+ }
+ case 'O':
+ if (ptr == end)
+ 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:
+ throw format_error("invalid format");
+ }
+ break;
+ default:
+ throw format_error("invalid format");
+ }
+ begin = ptr;
+ }
+ if (begin != ptr)
+ handler.on_text(begin, ptr);
+ return ptr;
+}
+
+struct chrono_format_checker {
+ void report_no_date() { throw format_error("no date"); }
+
+ template <typename Char>
+ void on_text(const Char *, const Char *) {}
+ void on_abbr_weekday() { report_no_date(); }
+ void on_full_weekday() { report_no_date(); }
+ void on_dec0_weekday(numeric_system) { report_no_date(); }
+ void on_dec1_weekday(numeric_system) { report_no_date(); }
+ void on_abbr_month() { report_no_date(); }
+ 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) {}
+ void on_datetime(numeric_system) { report_no_date(); }
+ void on_loc_date(numeric_system) { report_no_date(); }
+ void on_loc_time(numeric_system) { report_no_date(); }
+ void on_us_date() { report_no_date(); }
+ 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_utc_offset() { report_no_date(); }
+ void on_tz_name() { report_no_date(); }
+};
+
+template <typename Int>
+inline int to_int(Int value) {
+ FMT_ASSERT(value >= (std::numeric_limits<int>::min)() &&
+ value <= (std::numeric_limits<int>::max)(), "invalid value");
+ return static_cast<int>(value);
+}
+
+template <typename FormatContext, typename OutputIt>
+struct chrono_formatter {
+ FormatContext &context;
+ OutputIt out;
+ std::chrono::seconds s;
+ std::chrono::milliseconds ms;
+
+ typedef typename FormatContext::char_type char_type;
+
+ explicit chrono_formatter(FormatContext &ctx, OutputIt o)
+ : context(ctx), out(o) {}
+
+ int hour() const { return to_int((s.count() / 3600) % 24); }
+
+ int hour12() const {
+ auto hour = to_int((s.count() / 3600) % 12);
+ return hour > 0 ? hour : 12;
+ }
+
+ int minute() const { return to_int((s.count() / 60) % 60); }
+ int second() const { return to_int(s.count() % 60); }
+
+ std::tm time() const {
+ auto time = std::tm();
+ time.tm_hour = hour();
+ time.tm_min = minute();
+ time.tm_sec = second();
+ return time;
+ }
+
+ void write(int value, int width) {
+ typedef typename int_traits<int>::main_type main_type;
+ main_type n = to_unsigned(value);
+ 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 format_localized(const tm &time, const char *format) {
+ 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 (ns == numeric_system::standard)
+ return write(hour(), 2);
+ auto time = tm();
+ time.tm_hour = hour();
+ format_localized(time, "%OH");
+ }
+
+ void on_12_hour(numeric_system ns) {
+ if (ns == numeric_system::standard)
+ return write(hour12(), 2);
+ auto time = tm();
+ time.tm_hour = hour();
+ format_localized(time, "%OI");
+ }
+
+ void on_minute(numeric_system ns) {
+ if (ns == numeric_system::standard)
+ return write(minute(), 2);
+ auto time = tm();
+ time.tm_min = minute();
+ format_localized(time, "%OM");
+ }
+
+ void on_second(numeric_system ns) {
+ if (ns == numeric_system::standard) {
+ write(second(), 2);
+ if (ms != std::chrono::milliseconds(0)) {
+ *out++ = '.';
+ write(to_int(ms.count()), 3);
+ }
+ return;
+ }
+ auto time = tm();
+ time.tm_sec = second();
+ format_localized(time, "%OS");
+ }
+
+ void on_12_hour_time() { format_localized(time(), "%r"); }
+
+ void on_24_hour_time() {
+ write(hour(), 2);
+ *out++ = ':';
+ write(minute(), 2);
+ }
+
+ void on_iso_time() {
+ on_24_hour_time();
+ *out++ = ':';
+ write(second(), 2);
+ }
+
+ void on_am_pm() { format_localized(time(), "%p"); }
+};
+} // namespace internal
+
+template <typename Period> FMT_CONSTEXPR const char *get_units() {
+ return FMT_NULL;
+}
+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";
+}
+
+template <typename Rep, typename Period, typename Char>
+struct formatter<std::chrono::duration<Rep, Period>, Char> {
+ private:
+ align_spec spec;
+ internal::arg_ref<Char> width_ref;
+ mutable basic_string_view<Char> format_str;
+ typedef std::chrono::duration<Rep, Period> duration;
+
+ struct spec_handler {
+ formatter &f;
+ basic_parse_context<Char> &context;
+
+ typedef internal::arg_ref<Char> arg_ref_type;
+
+ 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(internal::auto_id) {
+ return arg_ref_type(context.next_arg_id());
+ }
+
+ void on_error(const char *msg) { throw format_error(msg); }
+ void on_fill(Char fill) { f.spec.fill_ = fill; }
+ void on_align(alignment align) { f.spec.align_ = align; }
+ void on_width(unsigned width) { f.spec.width_ = width; }
+
+ template <typename Id>
+ void on_dynamic_width(Id arg_id) {
+ f.width_ref = make_arg_ref(arg_id);
+ }
+ };
+
+ public:
+ formatter() : spec() {}
+
+ FMT_CONSTEXPR auto parse(basic_parse_context<Char> &ctx)
+ -> decltype(ctx.begin()) {
+ auto begin = ctx.begin(), end = ctx.end();
+ if (begin == end) return begin;
+ spec_handler handler{*this, ctx};
+ begin = internal::parse_align(begin, end, handler);
+ if (begin == end) return begin;
+ begin = internal::parse_width(begin, end, handler);
+ end = parse_chrono_format(begin, end, internal::chrono_format_checker());
+ format_str = basic_string_view<Char>(&*begin, internal::to_unsigned(end - begin));
+ return end;
+ }
+
+ template <typename FormatContext>
+ auto format(const duration &d, FormatContext &ctx)
+ -> decltype(ctx.out()) {
+ auto begin = format_str.begin(), end = format_str.end();
+ memory_buffer buf;
+ typedef output_range<decltype(ctx.out()), Char> range;
+ basic_writer<range> w(range(ctx.out()));
+ if (begin == end || *begin == '}') {
+ if (const char *unit = get_units<Period>())
+ format_to(buf, "{}{}", d.count(), unit);
+ else if (Period::den == 1)
+ format_to(buf, "{}[{}]s", d.count(), Period::num);
+ else
+ format_to(buf, "{}[{}/{}]s", d.count(), Period::num, Period::den);
+ internal::handle_dynamic_spec<internal::width_checker>(
+ spec.width_, width_ref, ctx);
+ } else {
+ auto out = std::back_inserter(buf);
+ internal::chrono_formatter<FormatContext, decltype(out)> f(ctx, out);
+ f.s = std::chrono::duration_cast<std::chrono::seconds>(d);
+ f.ms = std::chrono::duration_cast<std::chrono::milliseconds>(d - f.s);
+ parse_chrono_format(begin, end, f);
+ }
+ w.write(buf.data(), buf.size(), spec);
+ return w.out();
+ }
+};
+
+FMT_END_NAMESPACE
+
+#endif // FMT_CHRONO_H_
diff --git a/include/spdlog/fmt/bundled/color.h b/include/spdlog/fmt/bundled/color.h
new file mode 100644
index 0000000000000000000000000000000000000000..5db861c9331dbc7b521e0960bc7ac7698780eff9
--- /dev/null
+++ b/include/spdlog/fmt/bundled/color.h
@@ -0,0 +1,577 @@
+// 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
+
+#ifdef FMT_DEPRECATED_COLORS
+
+// color and (v)print_colored are deprecated.
+enum color { black, red, green, yellow, blue, magenta, cyan, white };
+FMT_API void vprint_colored(color c, string_view format, format_args args);
+FMT_API void vprint_colored(color c, wstring_view format, wformat_args args);
+template <typename... Args>
+inline void print_colored(color c, string_view format_str,
+ const Args & ... args) {
+ vprint_colored(c, format_str, make_format_args(args...));
+}
+template <typename... Args>
+inline void print_colored(color c, wstring_view format_str,
+ const Args & ... args) {
+ vprint_colored(c, format_str, make_format_args<wformat_context>(args...));
+}
+
+inline void vprint_colored(color c, string_view format, format_args args) {
+ char escape[] = "\x1b[30m";
+ escape[3] = static_cast<char>('0' + c);
+ std::fputs(escape, stdout);
+ vprint(format, args);
+ std::fputs(internal::data::RESET_COLOR, stdout);
+}
+
+inline void vprint_colored(color c, wstring_view format, wformat_args args) {
+ wchar_t escape[] = L"\x1b[30m";
+ escape[3] = static_cast<wchar_t>('0' + c);
+ std::fputws(escape, stdout);
+ vprint(format, args);
+ std::fputws(internal::data::WRESET_COLOR, stdout);
+}
+
+#else
+
+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 terminal_color
+
+enum class emphasis : uint8_t {
+ bold = 1,
+ italic = 1 << 1,
+ underline = 1 << 2,
+ strikethrough = 1 << 3
+}; // enum class emphasis
+
+// rgb is a struct for red, green and blue colors.
+// We use rgb as name because some editors will show it as color direct in the
+// editor.
+struct rgb {
+ FMT_CONSTEXPR_DECL rgb() : r(0), g(0), b(0) {}
+ FMT_CONSTEXPR_DECL rgb(uint8_t r_, uint8_t g_, uint8_t b_)
+ : r(r_), g(g_), b(b_) {}
+ FMT_CONSTEXPR_DECL rgb(uint32_t hex)
+ : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b((hex) & 0xFF) {}
+ FMT_CONSTEXPR_DECL 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)
+ 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)
+ 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)
+ 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)
+ 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; }
+
+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);
+}
+
+// The following specialiazation disables using std::FILE as a character type,
+// which is needed because or else
+// fmt::print(stderr, fmt::emphasis::bold, "");
+// would take stderr (a std::FILE *) as the format string.
+template <>
+struct is_string<std::FILE *> : std::false_type {};
+template <>
+struct is_string<const std::FILE *> : std::false_type {};
+} // namespace internal
+
+template <
+ typename S, typename Char = typename internal::char_t<S>::type>
+void vprint(std::FILE *f, const text_style &ts, const S &format,
+ basic_format_args<typename buffer_context<Char>::type> 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 String, typename... Args>
+typename std::enable_if<internal::is_string<String>::value>::type print(
+ std::FILE *f, const text_style &ts, const String &format_str,
+ const Args &... args) {
+ internal::check_format_string<Args...>(format_str);
+ typedef typename internal::char_t<String>::type char_t;
+ typedef typename buffer_context<char_t>::type context_t;
+ format_arg_store<context_t, Args...> as{args...};
+ vprint(f, ts, format_str, basic_format_args<context_t>(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 String, typename... Args>
+typename std::enable_if<internal::is_string<String>::value>::type print(
+ const text_style &ts, const String &format_str,
+ const Args &... args) {
+ return print(stdout, ts, format_str, args...);
+}
+
+#endif
+
+FMT_END_NAMESPACE
+
+#endif // FMT_COLOR_H_
diff --git a/include/spdlog/fmt/bundled/core.h b/include/spdlog/fmt/bundled/core.h
new file mode 100644
index 0000000000000000000000000000000000000000..50b79351536e4a23afd824163bb7eb0792c9c004
--- /dev/null
+++ b/include/spdlog/fmt/bundled/core.h
@@ -0,0 +1,1502 @@
+// Formatting library for C++ - the core API
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_CORE_H_
+#define FMT_CORE_H_
+
+#include <cassert>
+#include <cstdio> // std::FILE
+#include <cstring>
+#include <iterator>
+#include <string>
+#include <type_traits>
+
+// The fmt library version in the form major * 10000 + minor * 100 + patch.
+#define FMT_VERSION 50300
+
+#ifdef __has_feature
+# define FMT_HAS_FEATURE(x) __has_feature(x)
+#else
+# define FMT_HAS_FEATURE(x) 0
+#endif
+
+#if defined(__has_include) && !defined(__INTELLISENSE__) && \
+ !(defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1600)
+# define FMT_HAS_INCLUDE(x) __has_include(x)
+#else
+# define FMT_HAS_INCLUDE(x) 0
+#endif
+
+#ifdef __has_cpp_attribute
+# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x)
+#else
+# define FMT_HAS_CPP_ATTRIBUTE(x) 0
+#endif
+
+#if defined(__GNUC__) && !defined(__clang__)
+# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
+#else
+# define FMT_GCC_VERSION 0
+#endif
+
+#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__)
+# define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION
+#else
+# define FMT_HAS_GXX_CXX11 0
+#endif
+
+#ifdef _MSC_VER
+# define FMT_MSC_VER _MSC_VER
+#else
+# define FMT_MSC_VER 0
+#endif
+
+// Check if relaxed C++14 constexpr is supported.
+// GCC doesn't allow throw in constexpr until version 6 (bug 67371).
+#ifndef FMT_USE_CONSTEXPR
+# define FMT_USE_CONSTEXPR \
+ (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || \
+ (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L))
+#endif
+#if FMT_USE_CONSTEXPR
+# define FMT_CONSTEXPR constexpr
+# define FMT_CONSTEXPR_DECL constexpr
+#else
+# define FMT_CONSTEXPR inline
+# define FMT_CONSTEXPR_DECL
+#endif
+
+#ifndef FMT_USE_CONSTEXPR11
+# define FMT_USE_CONSTEXPR11 \
+ (FMT_USE_CONSTEXPR || FMT_GCC_VERSION >= 406 || FMT_MSC_VER >= 1900)
+#endif
+#if FMT_USE_CONSTEXPR11
+# define FMT_CONSTEXPR11 constexpr
+#else
+# define FMT_CONSTEXPR11
+#endif
+
+#ifndef FMT_OVERRIDE
+# if FMT_HAS_FEATURE(cxx_override) || \
+ (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900
+# define FMT_OVERRIDE override
+# else
+# define FMT_OVERRIDE
+# endif
+#endif
+
+#if FMT_HAS_FEATURE(cxx_explicit_conversions) || \
+ FMT_GCC_VERSION >= 405 || FMT_MSC_VER >= 1800
+# define FMT_USE_EXPLICIT 1
+# define FMT_EXPLICIT explicit
+#else
+# define FMT_USE_EXPLICIT 0
+# define FMT_EXPLICIT
+#endif
+
+#ifndef FMT_NULL
+# if FMT_HAS_FEATURE(cxx_nullptr) || \
+ (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1600
+# define FMT_NULL nullptr
+# define FMT_USE_NULLPTR 1
+# else
+# define FMT_NULL NULL
+# endif
+#endif
+#ifndef FMT_USE_NULLPTR
+# define FMT_USE_NULLPTR 0
+#endif
+
+// Check if exceptions are disabled.
+#ifndef FMT_EXCEPTIONS
+# if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \
+ FMT_MSC_VER && !_HAS_EXCEPTIONS
+# define FMT_EXCEPTIONS 0
+# else
+# define FMT_EXCEPTIONS 1
+# endif
+#endif
+
+// Define FMT_USE_NOEXCEPT to make fmt use noexcept (C++11 feature).
+#ifndef FMT_USE_NOEXCEPT
+# define FMT_USE_NOEXCEPT 0
+#endif
+
+#if FMT_USE_NOEXCEPT || FMT_HAS_FEATURE(cxx_noexcept) || \
+ (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900
+# define FMT_DETECTED_NOEXCEPT noexcept
+# define FMT_HAS_CXX11_NOEXCEPT 1
+#else
+# define FMT_DETECTED_NOEXCEPT throw()
+# define FMT_HAS_CXX11_NOEXCEPT 0
+#endif
+
+#ifndef FMT_NOEXCEPT
+# if FMT_EXCEPTIONS || FMT_HAS_CXX11_NOEXCEPT
+# define FMT_NOEXCEPT FMT_DETECTED_NOEXCEPT
+# else
+# define FMT_NOEXCEPT
+# endif
+#endif
+
+#ifndef FMT_BEGIN_NAMESPACE
+# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \
+ FMT_MSC_VER >= 1900
+# define FMT_INLINE_NAMESPACE inline namespace
+# define FMT_END_NAMESPACE }}
+# else
+# define FMT_INLINE_NAMESPACE namespace
+# define FMT_END_NAMESPACE } using namespace v5; }
+# endif
+# define FMT_BEGIN_NAMESPACE namespace fmt { FMT_INLINE_NAMESPACE v5 {
+#endif
+
+#if !defined(FMT_HEADER_ONLY) && defined(_WIN32)
+# ifdef FMT_EXPORT
+# define FMT_API __declspec(dllexport)
+# elif defined(FMT_SHARED)
+# define FMT_API __declspec(dllimport)
+# endif
+#endif
+#ifndef FMT_API
+# define FMT_API
+#endif
+
+#ifndef FMT_ASSERT
+# define FMT_ASSERT(condition, message) assert((condition) && message)
+#endif
+
+// libc++ supports string_view in pre-c++17.
+#if (FMT_HAS_INCLUDE(<string_view>) && \
+ (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \
+ (defined(_MSVC_LANG) && _MSVC_LANG > 201402L && _MSC_VER >= 1910)
+# include <string_view>
+# define FMT_STRING_VIEW std::basic_string_view
+#elif FMT_HAS_INCLUDE(<experimental/string_view>) && __cplusplus >= 201402L
+# include <experimental/string_view>
+# define FMT_STRING_VIEW std::experimental::basic_string_view
+#endif
+
+// std::result_of is defined in <functional> in gcc 4.4.
+#if FMT_GCC_VERSION && FMT_GCC_VERSION <= 404
+# include <functional>
+#endif
+
+FMT_BEGIN_NAMESPACE
+namespace internal {
+
+// An implementation of declval for pre-C++11 compilers such as gcc 4.
+template <typename T>
+typename std::add_rvalue_reference<T>::type declval() FMT_NOEXCEPT;
+
+template <typename>
+struct result_of;
+
+template <typename F, typename... Args>
+struct result_of<F(Args...)> {
+ // A workaround for gcc 4.4 that doesn't allow F to be a reference.
+ typedef typename std::result_of<
+ typename std::remove_reference<F>::type(Args...)>::type type;
+};
+
+// Casts nonnegative integer to unsigned.
+template <typename Int>
+FMT_CONSTEXPR typename std::make_unsigned<Int>::type to_unsigned(Int value) {
+ FMT_ASSERT(value >= 0, "negative value");
+ return static_cast<typename std::make_unsigned<Int>::type>(value);
+}
+
+/** A contiguous memory buffer with an optional growing ability. */
+template <typename T>
+class basic_buffer {
+ private:
+ basic_buffer(const basic_buffer &) = delete;
+ void operator=(const basic_buffer &) = delete;
+
+ T *ptr_;
+ std::size_t size_;
+ std::size_t capacity_;
+
+ protected:
+ // Don't initialize ptr_ since it is not accessed to save a few cycles.
+ basic_buffer(std::size_t sz) FMT_NOEXCEPT: size_(sz), capacity_(sz) {}
+
+ basic_buffer(T *p = FMT_NULL, std::size_t sz = 0, std::size_t cap = 0)
+ FMT_NOEXCEPT: ptr_(p), size_(sz), capacity_(cap) {}
+
+ /** Sets the buffer data and capacity. */
+ void set(T *buf_data, std::size_t buf_capacity) FMT_NOEXCEPT {
+ ptr_ = buf_data;
+ capacity_ = buf_capacity;
+ }
+
+ /** Increases the buffer capacity to hold at least *capacity* elements. */
+ virtual void grow(std::size_t capacity) = 0;
+
+ public:
+ typedef T value_type;
+ typedef const T &const_reference;
+
+ virtual ~basic_buffer() {}
+
+ T *begin() FMT_NOEXCEPT { return ptr_; }
+ T *end() FMT_NOEXCEPT { return ptr_ + size_; }
+
+ /** Returns the size of this buffer. */
+ std::size_t size() const FMT_NOEXCEPT { return size_; }
+
+ /** Returns the capacity of this buffer. */
+ std::size_t capacity() const FMT_NOEXCEPT { return capacity_; }
+
+ /** Returns a pointer to the buffer data. */
+ T *data() FMT_NOEXCEPT { return ptr_; }
+
+ /** Returns a pointer to the buffer data. */
+ const T *data() const FMT_NOEXCEPT { return ptr_; }
+
+ /**
+ Resizes the buffer. If T is a POD type new elements may not be initialized.
+ */
+ void resize(std::size_t new_size) {
+ reserve(new_size);
+ size_ = new_size;
+ }
+
+ /** Clears this buffer. */
+ void clear() { size_ = 0; }
+
+ /** Reserves space to store at least *capacity* elements. */
+ void reserve(std::size_t new_capacity) {
+ if (new_capacity > capacity_)
+ grow(new_capacity);
+ }
+
+ void push_back(const T &value) {
+ reserve(size_ + 1);
+ ptr_[size_++] = value;
+ }
+
+ /** Appends data to the end of the buffer. */
+ template <typename U>
+ void append(const U *begin, const U *end);
+
+ T &operator[](std::size_t index) { return ptr_[index]; }
+ const T &operator[](std::size_t index) const { return ptr_[index]; }
+};
+
+typedef basic_buffer<char> buffer;
+typedef basic_buffer<wchar_t> wbuffer;
+
+// A container-backed buffer.
+template <typename Container>
+class container_buffer : public basic_buffer<typename Container::value_type> {
+ private:
+ Container &container_;
+
+ protected:
+ void grow(std::size_t capacity) FMT_OVERRIDE {
+ container_.resize(capacity);
+ this->set(&container_[0], capacity);
+ }
+
+ public:
+ explicit container_buffer(Container &c)
+ : basic_buffer<typename Container::value_type>(c.size()), container_(c) {}
+};
+
+// Extracts a reference to the container from back_insert_iterator.
+template <typename Container>
+inline Container &get_container(std::back_insert_iterator<Container> it) {
+ typedef std::back_insert_iterator<Container> bi_iterator;
+ struct accessor: bi_iterator {
+ accessor(bi_iterator iter) : bi_iterator(iter) {}
+ using bi_iterator::container;
+ };
+ return *accessor(it).container;
+}
+
+struct error_handler {
+ FMT_CONSTEXPR error_handler() {}
+ FMT_CONSTEXPR error_handler(const error_handler &) {}
+
+ // This function is intentionally not constexpr to give a compile-time error.
+ FMT_API void on_error(const char *message);
+};
+
+template <typename T>
+struct no_formatter_error : std::false_type {};
+} // namespace internal
+
+#if FMT_GCC_VERSION && FMT_GCC_VERSION < 405
+template <typename... T>
+struct is_constructible: std::false_type {};
+#else
+template <typename... T>
+struct is_constructible : std::is_constructible<T...> {};
+#endif
+
+/**
+ An implementation of ``std::basic_string_view`` for pre-C++17. It provides a
+ subset of the API. ``fmt::basic_string_view`` is used for format strings even
+ if ``std::string_view`` is available to prevent issues when a library is
+ compiled with a different ``-std`` option than the client code (which is not
+ recommended).
+ */
+template <typename Char>
+class basic_string_view {
+ private:
+ const Char *data_;
+ size_t size_;
+
+ public:
+ typedef Char char_type;
+ typedef const Char *iterator;
+
+ FMT_CONSTEXPR basic_string_view() FMT_NOEXCEPT : data_(FMT_NULL), size_(0) {}
+
+ /** Constructs a string reference object from a C string and a size. */
+ FMT_CONSTEXPR basic_string_view(const Char *s, size_t count) FMT_NOEXCEPT
+ : data_(s), size_(count) {}
+
+ /**
+ \rst
+ Constructs a string reference object from a C string computing
+ the size with ``std::char_traits<Char>::length``.
+ \endrst
+ */
+ basic_string_view(const Char *s)
+ : data_(s), size_(std::char_traits<Char>::length(s)) {}
+
+ /** Constructs a string reference from a ``std::basic_string`` object. */
+ template <typename Alloc>
+ FMT_CONSTEXPR basic_string_view(
+ const std::basic_string<Char, Alloc> &s) FMT_NOEXCEPT
+ : data_(s.data()), size_(s.size()) {}
+
+#ifdef FMT_STRING_VIEW
+ FMT_CONSTEXPR basic_string_view(FMT_STRING_VIEW<Char> s) FMT_NOEXCEPT
+ : data_(s.data()), size_(s.size()) {}
+#endif
+
+ /** Returns a pointer to the string data. */
+ FMT_CONSTEXPR const Char *data() const { return data_; }
+
+ /** Returns the string size. */
+ FMT_CONSTEXPR size_t size() const { return size_; }
+
+ FMT_CONSTEXPR iterator begin() const { return data_; }
+ FMT_CONSTEXPR iterator end() const { return data_ + size_; }
+
+ FMT_CONSTEXPR void remove_prefix(size_t n) {
+ data_ += n;
+ size_ -= n;
+ }
+
+ // Lexicographically compare this string reference to other.
+ int compare(basic_string_view other) const {
+ size_t str_size = size_ < other.size_ ? size_ : other.size_;
+ int result = std::char_traits<Char>::compare(data_, other.data_, str_size);
+ if (result == 0)
+ result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1);
+ return result;
+ }
+
+ friend bool operator==(basic_string_view lhs, basic_string_view rhs) {
+ return lhs.compare(rhs) == 0;
+ }
+ friend bool operator!=(basic_string_view lhs, basic_string_view rhs) {
+ return lhs.compare(rhs) != 0;
+ }
+ friend bool operator<(basic_string_view lhs, basic_string_view rhs) {
+ return lhs.compare(rhs) < 0;
+ }
+ friend bool operator<=(basic_string_view lhs, basic_string_view rhs) {
+ return lhs.compare(rhs) <= 0;
+ }
+ friend bool operator>(basic_string_view lhs, basic_string_view rhs) {
+ return lhs.compare(rhs) > 0;
+ }
+ friend bool operator>=(basic_string_view lhs, basic_string_view rhs) {
+ return lhs.compare(rhs) >= 0;
+ }
+};
+
+typedef basic_string_view<char> string_view;
+typedef basic_string_view<wchar_t> wstring_view;
+
+/**
+ \rst
+ The function ``to_string_view`` adapts non-intrusively any kind of string or
+ string-like type if the user provides a (possibly templated) overload of
+ ``to_string_view`` which takes an instance of the string class
+ ``StringType<Char>`` and returns a ``fmt::basic_string_view<Char>``.
+ The conversion function must live in the very same namespace as
+ ``StringType<Char>`` to be picked up by ADL. Non-templated string types
+ like f.e. QString must return a ``basic_string_view`` with a fixed matching
+ char type.
+
+ **Example**::
+
+ namespace my_ns {
+ inline string_view to_string_view(const my_string &s) {
+ return {s.data(), s.length()};
+ }
+ }
+
+ std::string message = fmt::format(my_string("The answer is {}"), 42);
+ \endrst
+ */
+template <typename Char>
+inline basic_string_view<Char>
+ to_string_view(basic_string_view<Char> s) { return s; }
+
+template <typename Char>
+inline basic_string_view<Char>
+ to_string_view(const std::basic_string<Char> &s) { return s; }
+
+template <typename Char>
+inline basic_string_view<Char> to_string_view(const Char *s) { return s; }
+
+#ifdef FMT_STRING_VIEW
+template <typename Char>
+inline basic_string_view<Char>
+ to_string_view(FMT_STRING_VIEW<Char> s) { return s; }
+#endif
+
+// A base class for compile-time strings. It is defined in the fmt namespace to
+// make formatting functions visible via ADL, e.g. format(fmt("{}"), 42).
+struct compile_string {};
+
+template <typename S>
+struct is_compile_string : std::is_base_of<compile_string, S> {};
+
+template <
+ typename S,
+ typename Enable = typename std::enable_if<is_compile_string<S>::value>::type>
+FMT_CONSTEXPR basic_string_view<typename S::char_type>
+ to_string_view(const S &s) { return s; }
+
+template <typename Context>
+class basic_format_arg;
+
+template <typename Context>
+class basic_format_args;
+
+// A formatter for objects of type T.
+template <typename T, typename Char = char, typename Enable = void>
+struct formatter {
+ static_assert(internal::no_formatter_error<T>::value,
+ "don't know how to format the type, include fmt/ostream.h if it provides "
+ "an operator<< that should be used");
+
+ // The following functions are not defined intentionally.
+ template <typename ParseContext>
+ typename ParseContext::iterator parse(ParseContext &);
+ template <typename FormatContext>
+ auto format(const T &val, FormatContext &ctx) -> decltype(ctx.out());
+};
+
+template <typename T, typename Char, typename Enable = void>
+struct convert_to_int: std::integral_constant<
+ bool, !std::is_arithmetic<T>::value && std::is_convertible<T, int>::value> {};
+
+namespace internal {
+
+struct dummy_string_view { typedef void char_type; };
+dummy_string_view to_string_view(...);
+using fmt::v5::to_string_view;
+
+// Specifies whether S is a string type convertible to fmt::basic_string_view.
+template <typename S>
+struct is_string : std::integral_constant<bool, !std::is_same<
+ dummy_string_view, decltype(to_string_view(declval<S>()))>::value> {};
+
+template <typename S>
+struct char_t {
+ typedef decltype(to_string_view(declval<S>())) result;
+ typedef typename result::char_type type;
+};
+
+template <typename Char>
+struct named_arg_base;
+
+template <typename T, typename Char>
+struct named_arg;
+
+enum type {
+ none_type, named_arg_type,
+ // Integer types should go first,
+ int_type, uint_type, long_long_type, ulong_long_type, bool_type, char_type,
+ last_integer_type = char_type,
+ // followed by floating-point types.
+ double_type, long_double_type, last_numeric_type = long_double_type,
+ cstring_type, string_type, pointer_type, custom_type
+};
+
+FMT_CONSTEXPR bool is_integral(type t) {
+ FMT_ASSERT(t != internal::named_arg_type, "invalid argument type");
+ return t > internal::none_type && t <= internal::last_integer_type;
+}
+
+FMT_CONSTEXPR bool is_arithmetic(type t) {
+ FMT_ASSERT(t != internal::named_arg_type, "invalid argument type");
+ return t > internal::none_type && t <= internal::last_numeric_type;
+}
+
+template <typename Char>
+struct string_value {
+ const Char *value;
+ std::size_t size;
+};
+
+template <typename Context>
+struct custom_value {
+ const void *value;
+ void (*format)(const void *arg, Context &ctx);
+};
+
+// A formatting argument value.
+template <typename Context>
+class value {
+ public:
+ typedef typename Context::char_type char_type;
+
+ union {
+ int int_value;
+ unsigned uint_value;
+ long long long_long_value;
+ unsigned long long ulong_long_value;
+ double double_value;
+ long double long_double_value;
+ const void *pointer;
+ string_value<char_type> string;
+ string_value<signed char> sstring;
+ string_value<unsigned char> ustring;
+ custom_value<Context> custom;
+ };
+
+ FMT_CONSTEXPR value(int val = 0) : int_value(val) {}
+ value(unsigned val) { uint_value = val; }
+ value(long long val) { long_long_value = val; }
+ value(unsigned long long val) { ulong_long_value = val; }
+ value(double val) { double_value = val; }
+ value(long double val) { long_double_value = val; }
+ value(const char_type *val) { string.value = val; }
+ value(const signed char *val) {
+ static_assert(std::is_same<char, char_type>::value,
+ "incompatible string types");
+ sstring.value = val;
+ }
+ value(const unsigned char *val) {
+ static_assert(std::is_same<char, char_type>::value,
+ "incompatible string types");
+ ustring.value = val;
+ }
+ value(basic_string_view<char_type> val) {
+ string.value = val.data();
+ string.size = val.size();
+ }
+ value(const void *val) { pointer = val; }
+
+ template <typename T>
+ explicit value(const T &val) {
+ custom.value = &val;
+ custom.format = &format_custom_arg<T>;
+ }
+
+ const named_arg_base<char_type> &as_named_arg() {
+ return *static_cast<const named_arg_base<char_type>*>(pointer);
+ }
+
+ private:
+ // Formats an argument of a custom type, such as a user-defined class.
+ template <typename T>
+ static void format_custom_arg(const void *arg, Context &ctx) {
+ // Get the formatter type through the context to allow different contexts
+ // have different extension points, e.g. `formatter<T>` for `format` and
+ // `printf_formatter<T>` for `printf`.
+ typename Context::template formatter_type<T>::type f;
+ auto &&parse_ctx = ctx.parse_context();
+ parse_ctx.advance_to(f.parse(parse_ctx));
+ ctx.advance_to(f.format(*static_cast<const T*>(arg), ctx));
+ }
+};
+
+// Value initializer used to delay conversion to value and reduce memory churn.
+template <typename Context, typename T, type TYPE>
+struct init {
+ T val;
+ static const type type_tag = TYPE;
+
+ FMT_CONSTEXPR init(const T &v) : val(v) {}
+ FMT_CONSTEXPR operator value<Context>() const { return value<Context>(val); }
+};
+
+template <typename Context, typename T>
+FMT_CONSTEXPR basic_format_arg<Context> make_arg(const T &value);
+
+#define FMT_MAKE_VALUE(TAG, ArgType, ValueType) \
+ template <typename C> \
+ FMT_CONSTEXPR init<C, ValueType, TAG> make_value(ArgType val) { \
+ return static_cast<ValueType>(val); \
+ }
+
+#define FMT_MAKE_VALUE_SAME(TAG, Type) \
+ template <typename C> \
+ FMT_CONSTEXPR init<C, Type, TAG> make_value(Type val) { return val; }
+
+FMT_MAKE_VALUE(bool_type, bool, int)
+FMT_MAKE_VALUE(int_type, short, int)
+FMT_MAKE_VALUE(uint_type, unsigned short, unsigned)
+FMT_MAKE_VALUE_SAME(int_type, int)
+FMT_MAKE_VALUE_SAME(uint_type, unsigned)
+
+// To minimize the number of types we need to deal with, long is translated
+// either to int or to long long depending on its size.
+typedef std::conditional<sizeof(long) == sizeof(int), int, long long>::type
+ long_type;
+FMT_MAKE_VALUE(
+ (sizeof(long) == sizeof(int) ? int_type : long_long_type), long, long_type)
+typedef std::conditional<sizeof(unsigned long) == sizeof(unsigned),
+ unsigned, unsigned long long>::type ulong_type;
+FMT_MAKE_VALUE(
+ (sizeof(unsigned long) == sizeof(unsigned) ? uint_type : ulong_long_type),
+ unsigned long, ulong_type)
+
+FMT_MAKE_VALUE_SAME(long_long_type, long long)
+FMT_MAKE_VALUE_SAME(ulong_long_type, unsigned long long)
+FMT_MAKE_VALUE(int_type, signed char, int)
+FMT_MAKE_VALUE(uint_type, unsigned char, unsigned)
+
+// This doesn't use FMT_MAKE_VALUE because of ambiguity in gcc 4.4.
+template <typename C, typename Char>
+FMT_CONSTEXPR typename std::enable_if<
+ std::is_same<typename C::char_type, Char>::value,
+ init<C, int, char_type>>::type make_value(Char val) { return val; }
+
+template <typename C>
+FMT_CONSTEXPR typename std::enable_if<
+ !std::is_same<typename C::char_type, char>::value,
+ init<C, int, char_type>>::type make_value(char val) { return val; }
+
+FMT_MAKE_VALUE(double_type, float, double)
+FMT_MAKE_VALUE_SAME(double_type, double)
+FMT_MAKE_VALUE_SAME(long_double_type, long double)
+
+// Formatting of wide strings into a narrow buffer and multibyte strings
+// into a wide buffer is disallowed (https://github.com/fmtlib/fmt/pull/606).
+FMT_MAKE_VALUE(cstring_type, typename C::char_type*,
+ const typename C::char_type*)
+FMT_MAKE_VALUE(cstring_type, const typename C::char_type*,
+ const typename C::char_type*)
+
+FMT_MAKE_VALUE(cstring_type, signed char*, const signed char*)
+FMT_MAKE_VALUE_SAME(cstring_type, const signed char*)
+FMT_MAKE_VALUE(cstring_type, unsigned char*, const unsigned char*)
+FMT_MAKE_VALUE_SAME(cstring_type, const unsigned char*)
+FMT_MAKE_VALUE_SAME(string_type, basic_string_view<typename C::char_type>)
+FMT_MAKE_VALUE(string_type,
+ typename basic_string_view<typename C::char_type>::type,
+ basic_string_view<typename C::char_type>)
+FMT_MAKE_VALUE(string_type, const std::basic_string<typename C::char_type>&,
+ basic_string_view<typename C::char_type>)
+FMT_MAKE_VALUE(pointer_type, void*, const void*)
+FMT_MAKE_VALUE_SAME(pointer_type, const void*)
+
+#if FMT_USE_NULLPTR
+FMT_MAKE_VALUE(pointer_type, std::nullptr_t, const void*)
+#endif
+
+// Formatting of arbitrary pointers is disallowed. If you want to output a
+// pointer cast it to "void *" or "const void *". In particular, this forbids
+// formatting of "[const] volatile char *" which is printed as bool by
+// iostreams.
+template <typename C, typename T>
+typename std::enable_if<!std::is_same<T, typename C::char_type>::value>::type
+ make_value(const T *) {
+ static_assert(!sizeof(T), "formatting of non-void pointers is disallowed");
+}
+
+template <typename C, typename T>
+inline typename std::enable_if<
+ std::is_enum<T>::value && convert_to_int<T, typename C::char_type>::value,
+ init<C, int, int_type>>::type
+ make_value(const T &val) { return static_cast<int>(val); }
+
+template <typename C, typename T, typename Char = typename C::char_type>
+inline typename std::enable_if<
+ is_constructible<basic_string_view<Char>, T>::value &&
+ !internal::is_string<T>::value,
+ init<C, basic_string_view<Char>, string_type>>::type
+ make_value(const T &val) { return basic_string_view<Char>(val); }
+
+template <typename C, typename T, typename Char = typename C::char_type>
+inline typename std::enable_if<
+ !convert_to_int<T, Char>::value && !std::is_same<T, Char>::value &&
+ !std::is_convertible<T, basic_string_view<Char>>::value &&
+ !is_constructible<basic_string_view<Char>, T>::value &&
+ !internal::is_string<T>::value,
+ // Implicit conversion to std::string is not handled here because it's
+ // unsafe: https://github.com/fmtlib/fmt/issues/729
+ init<C, const T &, custom_type>>::type
+ make_value(const T &val) { return val; }
+
+template <typename C, typename T>
+init<C, const void*, named_arg_type>
+ make_value(const named_arg<T, typename C::char_type> &val) {
+ basic_format_arg<C> arg = make_arg<C>(val.value);
+ std::memcpy(val.data, &arg, sizeof(arg));
+ return static_cast<const void*>(&val);
+}
+
+template <typename C, typename S>
+FMT_CONSTEXPR11 typename std::enable_if<
+ internal::is_string<S>::value,
+ init<C, basic_string_view<typename C::char_type>, string_type>>::type
+ make_value(const S &val) {
+ // Handle adapted strings.
+ static_assert(std::is_same<
+ typename C::char_type, typename internal::char_t<S>::type>::value,
+ "mismatch between char-types of context and argument");
+ return to_string_view(val);
+}
+
+// Maximum number of arguments with packed types.
+enum { max_packed_args = 15 };
+enum : unsigned long long { is_unpacked_bit = 1ull << 63 };
+
+template <typename Context>
+class arg_map;
+} // namespace internal
+
+// A formatting argument. It is a trivially copyable/constructible type to
+// allow storage in basic_memory_buffer.
+template <typename Context>
+class basic_format_arg {
+ private:
+ internal::value<Context> value_;
+ internal::type type_;
+
+ template <typename ContextType, typename T>
+ friend FMT_CONSTEXPR basic_format_arg<ContextType>
+ internal::make_arg(const T &value);
+
+ template <typename Visitor, typename Ctx>
+ friend FMT_CONSTEXPR typename internal::result_of<Visitor(int)>::type
+ visit_format_arg(Visitor &&vis, const basic_format_arg<Ctx> &arg);
+
+ friend class basic_format_args<Context>;
+ friend class internal::arg_map<Context>;
+
+ typedef typename Context::char_type char_type;
+
+ public:
+ class handle {
+ public:
+ explicit handle(internal::custom_value<Context> custom): custom_(custom) {}
+
+ void format(Context &ctx) const { custom_.format(custom_.value, ctx); }
+
+ private:
+ internal::custom_value<Context> custom_;
+ };
+
+ FMT_CONSTEXPR basic_format_arg() : type_(internal::none_type) {}
+
+ FMT_EXPLICIT operator bool() const FMT_NOEXCEPT {
+ return type_ != internal::none_type;
+ }
+
+ internal::type type() const { return type_; }
+
+ bool is_integral() const { return internal::is_integral(type_); }
+ bool is_arithmetic() const { return internal::is_arithmetic(type_); }
+};
+
+struct monostate {};
+
+/**
+ \rst
+ Visits an argument dispatching to the appropriate visit method based on
+ the argument type. For example, if the argument type is ``double`` then
+ ``vis(value)`` will be called with the value of type ``double``.
+ \endrst
+ */
+template <typename Visitor, typename Context>
+FMT_CONSTEXPR typename internal::result_of<Visitor(int)>::type
+ visit_format_arg(Visitor &&vis, const basic_format_arg<Context> &arg) {
+ typedef typename Context::char_type char_type;
+ switch (arg.type_) {
+ case internal::none_type:
+ break;
+ case internal::named_arg_type:
+ FMT_ASSERT(false, "invalid argument type");
+ break;
+ case internal::int_type:
+ return vis(arg.value_.int_value);
+ case internal::uint_type:
+ return vis(arg.value_.uint_value);
+ case internal::long_long_type:
+ return vis(arg.value_.long_long_value);
+ case internal::ulong_long_type:
+ return vis(arg.value_.ulong_long_value);
+ case internal::bool_type:
+ return vis(arg.value_.int_value != 0);
+ case internal::char_type:
+ return vis(static_cast<char_type>(arg.value_.int_value));
+ case internal::double_type:
+ return vis(arg.value_.double_value);
+ case internal::long_double_type:
+ return vis(arg.value_.long_double_value);
+ case internal::cstring_type:
+ return vis(arg.value_.string.value);
+ case internal::string_type:
+ return vis(basic_string_view<char_type>(
+ arg.value_.string.value, arg.value_.string.size));
+ case internal::pointer_type:
+ return vis(arg.value_.pointer);
+ case internal::custom_type:
+ return vis(typename basic_format_arg<Context>::handle(arg.value_.custom));
+ }
+ return vis(monostate());
+}
+
+// DEPRECATED!
+template <typename Visitor, typename Context>
+FMT_CONSTEXPR typename internal::result_of<Visitor(int)>::type
+ visit(Visitor &&vis, const basic_format_arg<Context> &arg) {
+ return visit_format_arg(std::forward<Visitor>(vis), arg);
+}
+
+// Parsing context consisting of a format string range being parsed and an
+// argument counter for automatic indexing.
+template <typename Char, typename ErrorHandler = internal::error_handler>
+class basic_parse_context : private ErrorHandler {
+ private:
+ basic_string_view<Char> format_str_;
+ int next_arg_id_;
+
+ public:
+ typedef Char char_type;
+ typedef typename basic_string_view<Char>::iterator iterator;
+
+ explicit FMT_CONSTEXPR basic_parse_context(
+ basic_string_view<Char> format_str, ErrorHandler eh = ErrorHandler())
+ : ErrorHandler(eh), format_str_(format_str), next_arg_id_(0) {}
+
+ // Returns an iterator to the beginning of the format string range being
+ // parsed.
+ FMT_CONSTEXPR iterator begin() const FMT_NOEXCEPT {
+ return format_str_.begin();
+ }
+
+ // Returns an iterator past the end of the format string range being parsed.
+ FMT_CONSTEXPR iterator end() const FMT_NOEXCEPT { return format_str_.end(); }
+
+ // Advances the begin iterator to ``it``.
+ FMT_CONSTEXPR void advance_to(iterator it) {
+ format_str_.remove_prefix(internal::to_unsigned(it - begin()));
+ }
+
+ // Returns the next argument index.
+ FMT_CONSTEXPR unsigned next_arg_id();
+
+ FMT_CONSTEXPR bool check_arg_id(unsigned) {
+ if (next_arg_id_ > 0) {
+ on_error("cannot switch from automatic to manual argument indexing");
+ return false;
+ }
+ next_arg_id_ = -1;
+ return true;
+ }
+ void check_arg_id(basic_string_view<Char>) {}
+
+ FMT_CONSTEXPR void on_error(const char *message) {
+ ErrorHandler::on_error(message);
+ }
+
+ FMT_CONSTEXPR ErrorHandler error_handler() const { return *this; }
+};
+
+typedef basic_parse_context<char> format_parse_context;
+typedef basic_parse_context<wchar_t> wformat_parse_context;
+
+// DEPRECATED!
+typedef basic_parse_context<char> parse_context;
+typedef basic_parse_context<wchar_t> wparse_context;
+
+namespace internal {
+// A map from argument names to their values for named arguments.
+template <typename Context>
+class arg_map {
+ private:
+ arg_map(const arg_map &) = delete;
+ void operator=(const arg_map &) = delete;
+
+ typedef typename Context::char_type char_type;
+
+ struct entry {
+ basic_string_view<char_type> name;
+ basic_format_arg<Context> arg;
+ };
+
+ entry *map_;
+ unsigned size_;
+
+ void push_back(value<Context> val) {
+ const internal::named_arg_base<char_type> &named = val.as_named_arg();
+ map_[size_] = entry{named.name, named.template deserialize<Context>()};
+ ++size_;
+ }
+
+ public:
+ arg_map() : map_(FMT_NULL), size_(0) {}
+ void init(const basic_format_args<Context> &args);
+ ~arg_map() { delete [] map_; }
+
+ basic_format_arg<Context> find(basic_string_view<char_type> name) const {
+ // The list is unsorted, so just return the first matching name.
+ for (entry *it = map_, *end = map_ + size_; it != end; ++it) {
+ if (it->name == name)
+ return it->arg;
+ }
+ return {};
+ }
+};
+
+// A type-erased reference to an std::locale to avoid heavy <locale> include.
+class locale_ref {
+ private:
+ const void *locale_; // A type-erased pointer to std::locale.
+ friend class locale;
+
+ public:
+ locale_ref() : locale_(FMT_NULL) {}
+
+ template <typename Locale>
+ explicit locale_ref(const Locale &loc);
+
+ template <typename Locale>
+ Locale get() const;
+};
+
+template <typename OutputIt, typename Context, typename Char>
+class context_base {
+ public:
+ typedef OutputIt iterator;
+
+ private:
+ basic_parse_context<Char> parse_context_;
+ iterator out_;
+ basic_format_args<Context> args_;
+ locale_ref loc_;
+
+ protected:
+ typedef Char char_type;
+ typedef basic_format_arg<Context> format_arg;
+
+ context_base(OutputIt out, basic_string_view<char_type> format_str,
+ basic_format_args<Context> ctx_args,
+ locale_ref loc = locale_ref())
+ : parse_context_(format_str), out_(out), args_(ctx_args), loc_(loc) {}
+
+ // Returns the argument with specified index.
+ format_arg do_get_arg(unsigned arg_id) {
+ format_arg arg = args_.get(arg_id);
+ if (!arg)
+ parse_context_.on_error("argument index out of range");
+ return arg;
+ }
+
+ // Checks if manual indexing is used and returns the argument with
+ // specified index.
+ format_arg get_arg(unsigned arg_id) {
+ return this->parse_context().check_arg_id(arg_id) ?
+ this->do_get_arg(arg_id) : format_arg();
+ }
+
+ public:
+ basic_parse_context<char_type> &parse_context() { return parse_context_; }
+ basic_format_args<Context> args() const { return args_; } // DEPRECATED!
+ basic_format_arg<Context> arg(unsigned id) const { return args_.get(id); }
+
+ internal::error_handler error_handler() {
+ return parse_context_.error_handler();
+ }
+
+ void on_error(const char *message) { parse_context_.on_error(message); }
+
+ // Returns an iterator to the beginning of the output range.
+ iterator out() { return out_; }
+ iterator begin() { return out_; } // deprecated
+
+ // Advances the begin iterator to ``it``.
+ void advance_to(iterator it) { out_ = it; }
+
+ locale_ref locale() { return loc_; }
+};
+
+template <typename Context, typename T>
+struct get_type {
+ typedef decltype(make_value<Context>(
+ declval<typename std::decay<T>::type&>())) value_type;
+ static const type value = value_type::type_tag;
+};
+
+template <typename Context>
+FMT_CONSTEXPR11 unsigned long long get_types() { return 0; }
+
+template <typename Context, typename Arg, typename... Args>
+FMT_CONSTEXPR11 unsigned long long get_types() {
+ return get_type<Context, Arg>::value | (get_types<Context, Args...>() << 4);
+}
+
+template <typename Context, typename T>
+FMT_CONSTEXPR basic_format_arg<Context> make_arg(const T &value) {
+ basic_format_arg<Context> arg;
+ arg.type_ = get_type<Context, T>::value;
+ arg.value_ = make_value<Context>(value);
+ return arg;
+}
+
+template <bool IS_PACKED, typename Context, typename T>
+inline typename std::enable_if<IS_PACKED, value<Context>>::type
+ make_arg(const T &value) {
+ return make_value<Context>(value);
+}
+
+template <bool IS_PACKED, typename Context, typename T>
+inline typename std::enable_if<!IS_PACKED, basic_format_arg<Context>>::type
+ make_arg(const T &value) {
+ return make_arg<Context>(value);
+}
+} // namespace internal
+
+// Formatting context.
+template <typename OutputIt, typename Char>
+class basic_format_context :
+ public internal::context_base<
+ OutputIt, basic_format_context<OutputIt, Char>, Char> {
+ public:
+ /** The character type for the output. */
+ typedef Char char_type;
+
+ // using formatter_type = formatter<T, char_type>;
+ template <typename T>
+ struct formatter_type { typedef formatter<T, char_type> type; };
+
+ private:
+ internal::arg_map<basic_format_context> map_;
+
+ basic_format_context(const basic_format_context &) = delete;
+ void operator=(const basic_format_context &) = delete;
+
+ typedef internal::context_base<OutputIt, basic_format_context, Char> base;
+ typedef typename base::format_arg format_arg;
+ using base::get_arg;
+
+ public:
+ using typename base::iterator;
+
+ /**
+ Constructs a ``basic_format_context`` object. References to the arguments are
+ stored in the object so make sure they have appropriate lifetimes.
+ */
+ basic_format_context(OutputIt out, basic_string_view<char_type> format_str,
+ basic_format_args<basic_format_context> ctx_args,
+ internal::locale_ref loc = internal::locale_ref())
+ : base(out, format_str, ctx_args, loc) {}
+
+ format_arg next_arg() {
+ return this->do_get_arg(this->parse_context().next_arg_id());
+ }
+ format_arg get_arg(unsigned arg_id) { return this->do_get_arg(arg_id); }
+
+ // Checks if manual indexing is used and returns the argument with the
+ // specified name.
+ format_arg get_arg(basic_string_view<char_type> name);
+};
+
+template <typename Char>
+struct buffer_context {
+ typedef basic_format_context<
+ std::back_insert_iterator<internal::basic_buffer<Char>>, Char> type;
+};
+typedef buffer_context<char>::type format_context;
+typedef buffer_context<wchar_t>::type wformat_context;
+
+/**
+ \rst
+ An array of references to arguments. It can be implicitly converted into
+ `~fmt::basic_format_args` for passing into type-erased formatting functions
+ such as `~fmt::vformat`.
+ \endrst
+ */
+template <typename Context, typename ...Args>
+class format_arg_store {
+ private:
+ static const size_t NUM_ARGS = sizeof...(Args);
+
+ // Packed is a macro on MinGW so use IS_PACKED instead.
+ static const bool IS_PACKED = NUM_ARGS < internal::max_packed_args;
+
+ typedef typename std::conditional<IS_PACKED,
+ internal::value<Context>, basic_format_arg<Context>>::type value_type;
+
+ // If the arguments are not packed, add one more element to mark the end.
+ static const size_t DATA_SIZE =
+ NUM_ARGS + (IS_PACKED && NUM_ARGS != 0 ? 0 : 1);
+ value_type data_[DATA_SIZE];
+
+ friend class basic_format_args<Context>;
+
+ static FMT_CONSTEXPR11 unsigned long long get_types() {
+ return IS_PACKED ?
+ internal::get_types<Context, Args...>() :
+ internal::is_unpacked_bit | NUM_ARGS;
+ }
+
+ public:
+#if FMT_USE_CONSTEXPR11
+ static FMT_CONSTEXPR11 unsigned long long TYPES = get_types();
+#else
+ static const unsigned long long TYPES;
+#endif
+
+#if (FMT_GCC_VERSION && FMT_GCC_VERSION <= 405) || \
+ (FMT_MSC_VER && FMT_MSC_VER <= 1800)
+ // Workaround array initialization issues in gcc <= 4.5 and MSVC <= 2013.
+ format_arg_store(const Args &... args) {
+ value_type init[DATA_SIZE] =
+ {internal::make_arg<IS_PACKED, Context>(args)...};
+ std::memcpy(data_, init, sizeof(init));
+ }
+#else
+ format_arg_store(const Args &... args)
+ : data_{internal::make_arg<IS_PACKED, Context>(args)...} {}
+#endif
+};
+
+#if !FMT_USE_CONSTEXPR11
+template <typename Context, typename ...Args>
+const unsigned long long format_arg_store<Context, Args...>::TYPES =
+ get_types();
+#endif
+
+/**
+ \rst
+ Constructs an `~fmt::format_arg_store` object that contains references to
+ arguments and can be implicitly converted to `~fmt::format_args`. `Context`
+ can be omitted in which case it defaults to `~fmt::context`.
+ \endrst
+ */
+template <typename Context = format_context, typename ...Args>
+inline format_arg_store<Context, Args...>
+ make_format_args(const Args &... args) { return {args...}; }
+
+/** Formatting arguments. */
+template <typename Context>
+class basic_format_args {
+ public:
+ typedef unsigned size_type;
+ typedef basic_format_arg<Context> format_arg;
+
+ private:
+ // To reduce compiled code size per formatting function call, types of first
+ // max_packed_args arguments are passed in the types_ field.
+ unsigned long long types_;
+ union {
+ // If the number of arguments is less than max_packed_args, the argument
+ // values are stored in values_, otherwise they are stored in args_.
+ // This is done to reduce compiled code size as storing larger objects
+ // may require more code (at least on x86-64) even if the same amount of
+ // data is actually copied to stack. It saves ~10% on the bloat test.
+ const internal::value<Context> *values_;
+ const format_arg *args_;
+ };
+
+ bool is_packed() const { return (types_ & internal::is_unpacked_bit) == 0; }
+
+ typename internal::type type(unsigned index) const {
+ unsigned shift = index * 4;
+ return static_cast<typename internal::type>(
+ (types_ & (0xfull << shift)) >> shift);
+ }
+
+ friend class internal::arg_map<Context>;
+
+ void set_data(const internal::value<Context> *values) { values_ = values; }
+ void set_data(const format_arg *args) { args_ = args; }
+
+ format_arg do_get(size_type index) const {
+ format_arg arg;
+ if (!is_packed()) {
+ auto num_args = max_size();
+ if (index < num_args)
+ arg = args_[index];
+ return arg;
+ }
+ if (index > internal::max_packed_args)
+ return arg;
+ arg.type_ = type(index);
+ if (arg.type_ == internal::none_type)
+ return arg;
+ internal::value<Context> &val = arg.value_;
+ val = values_[index];
+ return arg;
+ }
+
+ public:
+ basic_format_args() : types_(0) {}
+
+ /**
+ \rst
+ Constructs a `basic_format_args` object from `~fmt::format_arg_store`.
+ \endrst
+ */
+ template <typename... Args>
+ basic_format_args(const format_arg_store<Context, Args...> &store)
+ : types_(static_cast<unsigned long long>(store.TYPES)) {
+ set_data(store.data_);
+ }
+
+ /**
+ \rst
+ Constructs a `basic_format_args` object from a dynamic set of arguments.
+ \endrst
+ */
+ basic_format_args(const format_arg *args, size_type count)
+ : types_(internal::is_unpacked_bit | count) {
+ set_data(args);
+ }
+
+ /** Returns the argument at specified index. */
+ format_arg get(size_type index) const {
+ format_arg arg = do_get(index);
+ if (arg.type_ == internal::named_arg_type)
+ arg = arg.value_.as_named_arg().template deserialize<Context>();
+ return arg;
+ }
+
+ size_type max_size() const {
+ unsigned long long max_packed = internal::max_packed_args;
+ return static_cast<size_type>(
+ is_packed() ? max_packed : types_ & ~internal::is_unpacked_bit);
+ }
+};
+
+/** An alias to ``basic_format_args<context>``. */
+// It is a separate type rather than a typedef to make symbols readable.
+struct format_args : basic_format_args<format_context> {
+ template <typename ...Args>
+ format_args(Args &&... arg)
+ : basic_format_args<format_context>(std::forward<Args>(arg)...) {}
+};
+struct wformat_args : basic_format_args<wformat_context> {
+ template <typename ...Args>
+ wformat_args(Args &&... arg)
+ : basic_format_args<wformat_context>(std::forward<Args>(arg)...) {}
+};
+
+#define FMT_ENABLE_IF_T(B, T) typename std::enable_if<B, T>::type
+
+#ifndef FMT_USE_ALIAS_TEMPLATES
+# define FMT_USE_ALIAS_TEMPLATES FMT_HAS_FEATURE(cxx_alias_templates)
+#endif
+#if FMT_USE_ALIAS_TEMPLATES
+/** String's character type. */
+template <typename S>
+using char_t = FMT_ENABLE_IF_T(
+ internal::is_string<S>::value, typename internal::char_t<S>::type);
+#define FMT_CHAR(S) fmt::char_t<S>
+#else
+template <typename S>
+struct char_t : std::enable_if<
+ internal::is_string<S>::value, typename internal::char_t<S>::type> {};
+#define FMT_CHAR(S) typename char_t<S>::type
+#endif
+
+namespace internal {
+template <typename Char>
+struct named_arg_base {
+ basic_string_view<Char> name;
+
+ // Serialized value<context>.
+ mutable char data[
+ sizeof(basic_format_arg<typename buffer_context<Char>::type>)];
+
+ named_arg_base(basic_string_view<Char> nm) : name(nm) {}
+
+ template <typename Context>
+ basic_format_arg<Context> deserialize() const {
+ basic_format_arg<Context> arg;
+ std::memcpy(&arg, data, sizeof(basic_format_arg<Context>));
+ return arg;
+ }
+};
+
+template <typename T, typename Char>
+struct named_arg : named_arg_base<Char> {
+ const T &value;
+
+ named_arg(basic_string_view<Char> name, const T &val)
+ : named_arg_base<Char>(name), value(val) {}
+};
+
+template <typename... Args, typename S>
+inline typename std::enable_if<!is_compile_string<S>::value>::type
+ check_format_string(const S &) {}
+template <typename... Args, typename S>
+typename std::enable_if<is_compile_string<S>::value>::type
+ check_format_string(S);
+
+template <typename S, typename... Args>
+struct checked_args : format_arg_store<
+ typename buffer_context<FMT_CHAR(S)>::type, Args...> {
+ typedef typename buffer_context<FMT_CHAR(S)>::type context;
+
+ checked_args(const S &format_str, const Args &... args):
+ format_arg_store<context, Args...>(args...) {
+ internal::check_format_string<Args...>(format_str);
+ }
+
+ basic_format_args<context> operator*() const { return *this; }
+};
+
+template <typename Char>
+std::basic_string<Char> vformat(
+ basic_string_view<Char> format_str,
+ basic_format_args<typename buffer_context<Char>::type> args);
+
+template <typename Char>
+typename buffer_context<Char>::type::iterator vformat_to(
+ internal::basic_buffer<Char> &buf, basic_string_view<Char> format_str,
+ basic_format_args<typename buffer_context<Char>::type> args);
+}
+
+/**
+ \rst
+ Returns a named argument to be used in a formatting function.
+
+ **Example**::
+
+ fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23));
+ \endrst
+ */
+template <typename T>
+inline internal::named_arg<T, char> arg(string_view name, const T &arg) {
+ return {name, arg};
+}
+
+template <typename T>
+inline internal::named_arg<T, wchar_t> arg(wstring_view name, const T &arg) {
+ return {name, arg};
+}
+
+// Disable nested named arguments, e.g. ``arg("a", arg("b", 42))``.
+template <typename S, typename T, typename Char>
+void arg(S, internal::named_arg<T, Char>) = delete;
+
+template <typename Container>
+struct is_contiguous: std::false_type {};
+
+template <typename Char>
+struct is_contiguous<std::basic_string<Char> >: std::true_type {};
+
+template <typename Char>
+struct is_contiguous<internal::basic_buffer<Char> >: std::true_type {};
+
+/** Formats a string and writes the output to ``out``. */
+template <typename Container, typename S>
+typename std::enable_if<
+ is_contiguous<Container>::value, std::back_insert_iterator<Container>>::type
+ vformat_to(
+ std::back_insert_iterator<Container> out,
+ const S &format_str,
+ basic_format_args<typename buffer_context<FMT_CHAR(S)>::type> args) {
+ internal::container_buffer<Container> buf(internal::get_container(out));
+ internal::vformat_to(buf, to_string_view(format_str), args);
+ return out;
+}
+
+template <typename Container, typename S, typename... Args>
+inline typename std::enable_if<
+ is_contiguous<Container>::value && internal::is_string<S>::value,
+ std::back_insert_iterator<Container>>::type
+ format_to(std::back_insert_iterator<Container> out, const S &format_str,
+ const Args &... args) {
+ internal::checked_args<S, Args...> ca(format_str, args...);
+ return vformat_to(out, to_string_view(format_str), *ca);
+}
+
+template <typename S, typename Char = FMT_CHAR(S)>
+inline std::basic_string<Char> vformat(
+ const S &format_str,
+ basic_format_args<typename buffer_context<Char>::type> args) {
+ return internal::vformat(to_string_view(format_str), args);
+}
+
+/**
+ \rst
+ Formats arguments and returns the result as a string.
+
+ **Example**::
+
+ #include <fmt/core.h>
+ std::string message = fmt::format("The answer is {}", 42);
+ \endrst
+*/
+template <typename S, typename... Args>
+inline std::basic_string<FMT_CHAR(S)> format(
+ const S &format_str, const Args &... args) {
+ return internal::vformat(
+ to_string_view(format_str),
+ *internal::checked_args<S, Args...>(format_str, args...));
+}
+
+FMT_API void vprint(std::FILE *f, string_view format_str, format_args args);
+FMT_API void vprint(std::FILE *f, wstring_view format_str, wformat_args args);
+
+/**
+ \rst
+ Prints formatted data to the file *f*. For wide format strings,
+ *f* should be in wide-oriented mode set via ``fwide(f, 1)`` or
+ ``_setmode(_fileno(f), _O_U8TEXT)`` on Windows.
+
+ **Example**::
+
+ fmt::print(stderr, "Don't {}!", "panic");
+ \endrst
+ */
+template <typename S, typename... Args>
+inline FMT_ENABLE_IF_T(internal::is_string<S>::value, void)
+ print(std::FILE *f, const S &format_str, const Args &... args) {
+ vprint(f, to_string_view(format_str),
+ internal::checked_args<S, Args...>(format_str, args...));
+}
+
+FMT_API void vprint(string_view format_str, format_args args);
+FMT_API void vprint(wstring_view format_str, wformat_args args);
+
+/**
+ \rst
+ Prints formatted data to ``stdout``.
+
+ **Example**::
+
+ fmt::print("Elapsed time: {0:.2f} seconds", 1.23);
+ \endrst
+ */
+template <typename S, typename... Args>
+inline FMT_ENABLE_IF_T(internal::is_string<S>::value, void)
+ print(const S &format_str, const Args &... args) {
+ vprint(to_string_view(format_str),
+ internal::checked_args<S, Args...>(format_str, args...));
+}
+FMT_END_NAMESPACE
+
+#endif // FMT_CORE_H_
diff --git a/include/spdlog/fmt/bundled/format-inl.h b/include/spdlog/fmt/bundled/format-inl.h
new file mode 100644
index 0000000000000000000000000000000000000000..552c9430331696916c1114170a2a0e085bcc8519
--- /dev/null
+++ b/include/spdlog/fmt/bundled/format-inl.h
@@ -0,0 +1,972 @@
+// Formatting library for C++
+//
+// Copyright (c) 2012 - 2016, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_FORMAT_INL_H_
+#define FMT_FORMAT_INL_H_
+
+#include "format.h"
+
+#include <string.h>
+
+#include <cctype>
+#include <cerrno>
+#include <climits>
+#include <cmath>
+#include <cstdarg>
+#include <cstddef> // for std::ptrdiff_t
+#include <cstring> // for std::memmove
+#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
+# include <locale>
+#endif
+
+#if FMT_USE_WINDOWS_H
+# if !defined(FMT_HEADER_ONLY) && !defined(WIN32_LEAN_AND_MEAN)
+# define WIN32_LEAN_AND_MEAN
+# endif
+# if defined(NOMINMAX) || defined(FMT_WIN_MINMAX)
+# include <windows.h>
+# else
+# define NOMINMAX
+# include <windows.h>
+# undef NOMINMAX
+# endif
+#endif
+
+#if FMT_EXCEPTIONS
+# define FMT_TRY try
+# define FMT_CATCH(x) catch (x)
+#else
+# define FMT_TRY if (true)
+# define FMT_CATCH(x) if (false)
+#endif
+
+#ifdef _MSC_VER
+# pragma warning(push)
+# pragma warning(disable: 4127) // conditional expression is constant
+# pragma warning(disable: 4702) // unreachable code
+// Disable deprecation warning for strerror. The latter is not called but
+// MSVC fails to detect it.
+# pragma warning(disable: 4996)
+#endif
+
+// Dummy implementations of strerror_r and strerror_s called if corresponding
+// system functions are not available.
+inline fmt::internal::null<> strerror_r(int, char *, ...) {
+ return fmt::internal::null<>();
+}
+inline fmt::internal::null<> strerror_s(char *, std::size_t, ...) {
+ return fmt::internal::null<>();
+}
+
+FMT_BEGIN_NAMESPACE
+
+namespace {
+
+#ifndef _MSC_VER
+# define FMT_SNPRINTF snprintf
+#else // _MSC_VER
+inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
+ va_list args;
+ va_start(args, format);
+ int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args);
+ va_end(args);
+ return result;
+}
+# define FMT_SNPRINTF fmt_snprintf
+#endif // _MSC_VER
+
+#if defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
+# define FMT_SWPRINTF snwprintf
+#else
+# define FMT_SWPRINTF swprintf
+#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
+
+typedef void (*FormatFunc)(internal::buffer &, int, string_view);
+
+// Portable thread-safe version of strerror.
+// Sets buffer to point to a string describing the error code.
+// This can be either a pointer to a string stored in buffer,
+// or a pointer to some static immutable string.
+// Returns one of the following values:
+// 0 - success
+// ERANGE - buffer is not large enough to store the error message
+// other - failure
+// Buffer should be at least of size 1.
+int safe_strerror(
+ int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT {
+ FMT_ASSERT(buffer != FMT_NULL && buffer_size != 0, "invalid buffer");
+
+ class dispatcher {
+ private:
+ int error_code_;
+ char *&buffer_;
+ std::size_t buffer_size_;
+
+ // A noop assignment operator to avoid bogus warnings.
+ void operator=(const dispatcher &) {}
+
+ // Handle the result of XSI-compliant version of strerror_r.
+ int handle(int result) {
+ // glibc versions before 2.13 return result in errno.
+ return result == -1 ? errno : result;
+ }
+
+ // Handle the result of GNU-specific version of strerror_r.
+ int handle(char *message) {
+ // If the buffer is full then the message is probably truncated.
+ if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
+ return ERANGE;
+ buffer_ = message;
+ return 0;
+ }
+
+ // Handle the case when strerror_r is not available.
+ int handle(internal::null<>) {
+ return fallback(strerror_s(buffer_, buffer_size_, error_code_));
+ }
+
+ // Fallback to strerror_s when strerror_r is not available.
+ int fallback(int result) {
+ // If the buffer is full then the message is probably truncated.
+ return result == 0 && strlen(buffer_) == buffer_size_ - 1 ?
+ ERANGE : result;
+ }
+
+#if !FMT_MSC_VER
+ // Fallback to strerror if strerror_r and strerror_s are not available.
+ int fallback(internal::null<>) {
+ errno = 0;
+ buffer_ = strerror(error_code_);
+ return errno;
+ }
+#endif
+
+ public:
+ dispatcher(int err_code, char *&buf, std::size_t buf_size)
+ : error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {}
+
+ int run() {
+ return handle(strerror_r(error_code_, buffer_, buffer_size_));
+ }
+ };
+ return dispatcher(error_code, buffer, buffer_size).run();
+}
+
+void format_error_code(internal::buffer &out, int error_code,
+ string_view message) FMT_NOEXCEPT {
+ // Report error code making sure that the output fits into
+ // inline_buffer_size to avoid dynamic memory allocation and potential
+ // bad_alloc.
+ out.resize(0);
+ static const char SEP[] = ": ";
+ static const char ERROR_STR[] = "error ";
+ // Subtract 2 to account for terminating null characters in SEP and ERROR_STR.
+ std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2;
+ typedef internal::int_traits<int>::main_type main_type;
+ main_type abs_value = static_cast<main_type>(error_code);
+ if (internal::is_negative(error_code)) {
+ abs_value = 0 - abs_value;
+ ++error_code_size;
+ }
+ error_code_size += internal::to_unsigned(internal::count_digits(abs_value));
+ writer w(out);
+ if (message.size() <= inline_buffer_size - error_code_size) {
+ w.write(message);
+ w.write(SEP);
+ }
+ w.write(ERROR_STR);
+ w.write(error_code);
+ assert(out.size() <= inline_buffer_size);
+}
+
+void report_error(FormatFunc func, int error_code,
+ string_view message) FMT_NOEXCEPT {
+ memory_buffer full_message;
+ func(full_message, error_code, message);
+ // Use Writer::data instead of Writer::c_str to avoid potential memory
+ // allocation.
+ std::fwrite(full_message.data(), full_message.size(), 1, stderr);
+ std::fputc('\n', stderr);
+}
+} // namespace
+
+FMT_FUNC size_t internal::count_code_points(basic_string_view<char8_t> s) {
+ const char8_t *data = s.data();
+ size_t num_code_points = 0;
+ for (size_t i = 0, size = s.size(); i != size; ++i) {
+ if ((data[i] & 0xc0) != 0x80)
+ ++num_code_points;
+ }
+ return num_code_points;
+}
+
+#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
+namespace internal {
+
+template <typename Locale>
+locale_ref::locale_ref(const Locale &loc) : locale_(&loc) {
+ static_assert(std::is_same<Locale, std::locale>::value, "");
+}
+
+template <typename Locale>
+Locale locale_ref::get() const {
+ static_assert(std::is_same<Locale, std::locale>::value, "");
+ return locale_ ? *static_cast<const std::locale*>(locale_) : std::locale();
+}
+
+template <typename Char>
+FMT_FUNC Char thousands_sep_impl(locale_ref loc) {
+ return std::use_facet<std::numpunct<Char> >(
+ loc.get<std::locale>()).thousands_sep();
+}
+}
+#else
+template <typename Char>
+FMT_FUNC Char internal::thousands_sep_impl(locale_ref) {
+ return FMT_STATIC_THOUSANDS_SEPARATOR;
+}
+#endif
+
+FMT_FUNC void system_error::init(
+ int err_code, string_view format_str, format_args args) {
+ error_code_ = err_code;
+ memory_buffer buffer;
+ format_system_error(buffer, err_code, vformat(format_str, args));
+ std::runtime_error &base = *this;
+ base = std::runtime_error(to_string(buffer));
+}
+
+namespace internal {
+template <typename T>
+int char_traits<char>::format_float(
+ char *buf, std::size_t size, const char *format, int precision, T value) {
+ return precision < 0 ?
+ FMT_SNPRINTF(buf, size, format, value) :
+ FMT_SNPRINTF(buf, size, format, precision, value);
+}
+
+template <typename T>
+int char_traits<wchar_t>::format_float(
+ wchar_t *buf, std::size_t size, const wchar_t *format, int precision,
+ T value) {
+ return precision < 0 ?
+ FMT_SWPRINTF(buf, size, format, value) :
+ FMT_SWPRINTF(buf, size, format, precision, value);
+}
+
+template <typename T>
+const char basic_data<T>::DIGITS[] =
+ "0001020304050607080910111213141516171819"
+ "2021222324252627282930313233343536373839"
+ "4041424344454647484950515253545556575859"
+ "6061626364656667686970717273747576777879"
+ "8081828384858687888990919293949596979899";
+
+#define FMT_POWERS_OF_10(factor) \
+ factor * 10, \
+ factor * 100, \
+ factor * 1000, \
+ factor * 10000, \
+ factor * 100000, \
+ factor * 1000000, \
+ factor * 10000000, \
+ factor * 100000000, \
+ factor * 1000000000
+
+template <typename T>
+const uint32_t basic_data<T>::POWERS_OF_10_32[] = {
+ 1, FMT_POWERS_OF_10(1)
+};
+
+template <typename T>
+const uint32_t basic_data<T>::ZERO_OR_POWERS_OF_10_32[] = {
+ 0, FMT_POWERS_OF_10(1)
+};
+
+template <typename T>
+const uint64_t basic_data<T>::ZERO_OR_POWERS_OF_10_64[] = {
+ 0,
+ FMT_POWERS_OF_10(1),
+ FMT_POWERS_OF_10(1000000000ull),
+ 10000000000000000000ull
+};
+
+// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340.
+// These are generated by support/compute-powers.py.
+template <typename T>
+const uint64_t basic_data<T>::POW10_SIGNIFICANDS[] = {
+ 0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76,
+ 0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df,
+ 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c,
+ 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5,
+ 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57,
+ 0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7,
+ 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e,
+ 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996,
+ 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126,
+ 0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053,
+ 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f,
+ 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b,
+ 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06,
+ 0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb,
+ 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000,
+ 0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984,
+ 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068,
+ 0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8,
+ 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758,
+ 0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85,
+ 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d,
+ 0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25,
+ 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2,
+ 0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a,
+ 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410,
+ 0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129,
+ 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85,
+ 0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841,
+ 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b,
+};
+
+// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding
+// to significands above.
+template <typename T>
+const int16_t basic_data<T>::POW10_EXPONENTS[] = {
+ -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954,
+ -927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661,
+ -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369,
+ -343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77,
+ -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216,
+ 242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508,
+ 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800,
+ 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066
+};
+
+template <typename T> const char basic_data<T>::FOREGROUND_COLOR[] = "\x1b[38;2;";
+template <typename T> const char basic_data<T>::BACKGROUND_COLOR[] = "\x1b[48;2;";
+template <typename T> const char basic_data<T>::RESET_COLOR[] = "\x1b[0m";
+template <typename T> const wchar_t basic_data<T>::WRESET_COLOR[] = L"\x1b[0m";
+
+// A handmade floating-point number f * pow(2, e).
+class fp {
+ private:
+ typedef uint64_t significand_type;
+
+ // All sizes are in bits.
+ static FMT_CONSTEXPR_DECL const int char_size =
+ std::numeric_limits<unsigned char>::digits;
+ // Subtract 1 to account for an implicit most significant bit in the
+ // normalized form.
+ static FMT_CONSTEXPR_DECL const int double_significand_size =
+ std::numeric_limits<double>::digits - 1;
+ static FMT_CONSTEXPR_DECL const uint64_t implicit_bit =
+ 1ull << double_significand_size;
+
+ public:
+ significand_type f;
+ int e;
+
+ static FMT_CONSTEXPR_DECL const int significand_size =
+ sizeof(significand_type) * char_size;
+
+ fp(): f(0), e(0) {}
+ fp(uint64_t f_val, int e_val): f(f_val), e(e_val) {}
+
+ // Constructs fp from an IEEE754 double. It is a template to prevent compile
+ // errors on platforms where double is not IEEE754.
+ template <typename Double>
+ explicit fp(Double d) {
+ // Assume double is in the format [sign][exponent][significand].
+ typedef std::numeric_limits<Double> limits;
+ const int double_size = static_cast<int>(sizeof(Double) * char_size);
+ const int exponent_size =
+ double_size - double_significand_size - 1; // -1 for sign
+ const uint64_t significand_mask = implicit_bit - 1;
+ const uint64_t exponent_mask = (~0ull >> 1) & ~significand_mask;
+ const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1;
+ auto u = bit_cast<uint64_t>(d);
+ auto biased_e = (u & exponent_mask) >> double_significand_size;
+ f = u & significand_mask;
+ if (biased_e != 0)
+ f += implicit_bit;
+ else
+ biased_e = 1; // Subnormals use biased exponent 1 (min exponent).
+ e = static_cast<int>(biased_e - exponent_bias - double_significand_size);
+ }
+
+ // Normalizes the value converted from double and multiplied by (1 << SHIFT).
+ template <int SHIFT = 0>
+ void normalize() {
+ // Handle subnormals.
+ auto shifted_implicit_bit = implicit_bit << SHIFT;
+ while ((f & shifted_implicit_bit) == 0) {
+ f <<= 1;
+ --e;
+ }
+ // Subtract 1 to account for hidden bit.
+ auto offset = significand_size - double_significand_size - SHIFT - 1;
+ f <<= offset;
+ e -= offset;
+ }
+
+ // Compute lower and upper boundaries (m^- and m^+ in the Grisu paper), where
+ // a boundary is a value half way between the number and its predecessor
+ // (lower) or successor (upper). The upper boundary is normalized and lower
+ // has the same exponent but may be not normalized.
+ void compute_boundaries(fp &lower, fp &upper) const {
+ lower = f == implicit_bit ?
+ fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1);
+ upper = fp((f << 1) + 1, e - 1);
+ upper.normalize<1>(); // 1 is to account for the exponent shift above.
+ lower.f <<= lower.e - upper.e;
+ lower.e = upper.e;
+ }
+};
+
+// Returns an fp number representing x - y. Result may not be normalized.
+inline fp operator-(fp x, fp y) {
+ FMT_ASSERT(x.f >= y.f && x.e == y.e, "invalid operands");
+ return fp(x.f - y.f, x.e);
+}
+
+// Computes an fp number r with r.f = x.f * y.f / pow(2, 64) rounded to nearest
+// with half-up tie breaking, r.e = x.e + y.e + 64. Result may not be normalized.
+FMT_API fp operator*(fp x, fp y);
+
+// Returns cached power (of 10) c_k = c_k.f * pow(2, c_k.e) such that its
+// (binary) exponent satisfies min_exponent <= c_k.e <= min_exponent + 3.
+FMT_API fp get_cached_power(int min_exponent, int &pow10_exponent);
+
+FMT_FUNC fp operator*(fp x, fp y) {
+ // Multiply 32-bit parts of significands.
+ uint64_t mask = (1ULL << 32) - 1;
+ uint64_t a = x.f >> 32, b = x.f & mask;
+ uint64_t c = y.f >> 32, d = y.f & mask;
+ uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d;
+ // Compute mid 64-bit of result and round.
+ uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31);
+ return fp(ac + (ad >> 32) + (bc >> 32) + (mid >> 32), x.e + y.e + 64);
+}
+
+FMT_FUNC fp get_cached_power(int min_exponent, int &pow10_exponent) {
+ const double one_over_log2_10 = 0.30102999566398114; // 1 / log2(10)
+ int index = static_cast<int>(std::ceil(
+ (min_exponent + fp::significand_size - 1) * one_over_log2_10));
+ // Decimal exponent of the first (smallest) cached power of 10.
+ const int first_dec_exp = -348;
+ // Difference between 2 consecutive decimal exponents in cached powers of 10.
+ const int dec_exp_step = 8;
+ index = (index - first_dec_exp - 1) / dec_exp_step + 1;
+ pow10_exponent = first_dec_exp + index * dec_exp_step;
+ return fp(data::POW10_SIGNIFICANDS[index], data::POW10_EXPONENTS[index]);
+}
+
+FMT_FUNC bool grisu2_round(
+ char *buf, int &size, int max_digits, uint64_t delta,
+ uint64_t remainder, uint64_t exp, uint64_t diff, int &exp10) {
+ while (remainder < diff && delta - remainder >= exp &&
+ (remainder + exp < diff || diff - remainder > remainder + exp - diff)) {
+ --buf[size - 1];
+ remainder += exp;
+ }
+ if (size > max_digits) {
+ --size;
+ ++exp10;
+ if (buf[size] >= '5')
+ return false;
+ }
+ return true;
+}
+
+// Generates output using Grisu2 digit-gen algorithm.
+FMT_FUNC bool grisu2_gen_digits(
+ char *buf, int &size, uint32_t hi, uint64_t lo, int &exp,
+ uint64_t delta, const fp &one, const fp &diff, int max_digits) {
+ // Generate digits for the most significant part (hi).
+ while (exp > 0) {
+ uint32_t digit = 0;
+ // This optimization by miloyip reduces the number of integer divisions by
+ // one per iteration.
+ switch (exp) {
+ case 10: digit = hi / 1000000000; hi %= 1000000000; break;
+ case 9: digit = hi / 100000000; hi %= 100000000; break;
+ case 8: digit = hi / 10000000; hi %= 10000000; break;
+ case 7: digit = hi / 1000000; hi %= 1000000; break;
+ case 6: digit = hi / 100000; hi %= 100000; break;
+ case 5: digit = hi / 10000; hi %= 10000; break;
+ case 4: digit = hi / 1000; hi %= 1000; break;
+ case 3: digit = hi / 100; hi %= 100; break;
+ case 2: digit = hi / 10; hi %= 10; break;
+ case 1: digit = hi; hi = 0; break;
+ default:
+ FMT_ASSERT(false, "invalid number of digits");
+ }
+ if (digit != 0 || size != 0)
+ buf[size++] = static_cast<char>('0' + digit);
+ --exp;
+ uint64_t remainder = (static_cast<uint64_t>(hi) << -one.e) + lo;
+ if (remainder <= delta || size > max_digits) {
+ return grisu2_round(
+ buf, size, max_digits, delta, remainder,
+ static_cast<uint64_t>(data::POWERS_OF_10_32[exp]) << -one.e,
+ diff.f, exp);
+ }
+ }
+ // Generate digits for the least significant part (lo).
+ for (;;) {
+ lo *= 10;
+ delta *= 10;
+ char digit = static_cast<char>(lo >> -one.e);
+ if (digit != 0 || size != 0)
+ buf[size++] = static_cast<char>('0' + digit);
+ lo &= one.f - 1;
+ --exp;
+ if (lo < delta || size > max_digits) {
+ return grisu2_round(buf, size, max_digits, delta, lo, one.f,
+ diff.f * data::POWERS_OF_10_32[-exp], exp);
+ }
+ }
+}
+
+#if FMT_CLANG_VERSION
+# define FMT_FALLTHROUGH [[clang::fallthrough]];
+#elif FMT_GCC_VERSION >= 700
+# define FMT_FALLTHROUGH [[gnu::fallthrough]];
+#else
+# define FMT_FALLTHROUGH
+#endif
+
+struct gen_digits_params {
+ int num_digits;
+ bool fixed;
+ bool upper;
+ bool trailing_zeros;
+};
+
+struct prettify_handler {
+ char *data;
+ ptrdiff_t size;
+ buffer &buf;
+
+ explicit prettify_handler(buffer &b, ptrdiff_t n)
+ : data(b.data()), size(n), buf(b) {}
+ ~prettify_handler() {
+ assert(buf.size() >= to_unsigned(size));
+ buf.resize(to_unsigned(size));
+ }
+
+ template <typename F>
+ void insert(ptrdiff_t pos, ptrdiff_t n, F f) {
+ std::memmove(data + pos + n, data + pos, to_unsigned(size - pos));
+ f(data + pos);
+ size += n;
+ }
+
+ void insert(ptrdiff_t pos, char c) {
+ std::memmove(data + pos + 1, data + pos, to_unsigned(size - pos));
+ data[pos] = c;
+ ++size;
+ }
+
+ void append(ptrdiff_t n, char c) {
+ std::uninitialized_fill_n(data + size, n, c);
+ size += n;
+ }
+
+ void append(char c) { data[size++] = c; }
+
+ void remove_trailing(char c) {
+ while (data[size - 1] == c) --size;
+ }
+};
+
+// Writes the exponent exp in the form "[+-]d{2,3}" to buffer.
+template <typename Handler>
+FMT_FUNC void write_exponent(int exp, Handler &&h) {
+ FMT_ASSERT(-1000 < exp && exp < 1000, "exponent out of range");
+ if (exp < 0) {
+ h.append('-');
+ exp = -exp;
+ } else {
+ h.append('+');
+ }
+ if (exp >= 100) {
+ h.append(static_cast<char>('0' + exp / 100));
+ exp %= 100;
+ const char *d = data::DIGITS + exp * 2;
+ h.append(d[0]);
+ h.append(d[1]);
+ } else {
+ const char *d = data::DIGITS + exp * 2;
+ h.append(d[0]);
+ h.append(d[1]);
+ }
+}
+
+struct fill {
+ size_t n;
+ void operator()(char *buf) const {
+ buf[0] = '0';
+ buf[1] = '.';
+ std::uninitialized_fill_n(buf + 2, n, '0');
+ }
+};
+
+// The number is given as v = f * pow(10, exp), where f has size digits.
+template <typename Handler>
+FMT_FUNC void grisu2_prettify(const gen_digits_params ¶ms,
+ int size, int exp, Handler &&handler) {
+ if (!params.fixed) {
+ // Insert a decimal point after the first digit and add an exponent.
+ handler.insert(1, '.');
+ exp += size - 1;
+ if (size < params.num_digits)
+ handler.append(params.num_digits - size, '0');
+ handler.append(params.upper ? 'E' : 'e');
+ write_exponent(exp, handler);
+ return;
+ }
+ // pow(10, full_exp - 1) <= v <= pow(10, full_exp).
+ int full_exp = size + exp;
+ const int exp_threshold = 21;
+ if (size <= full_exp && full_exp <= exp_threshold) {
+ // 1234e7 -> 12340000000[.0+]
+ handler.append(full_exp - size, '0');
+ int num_zeros = params.num_digits - full_exp;
+ if (num_zeros > 0 && params.trailing_zeros) {
+ handler.append('.');
+ handler.append(num_zeros, '0');
+ }
+ } else if (full_exp > 0) {
+ // 1234e-2 -> 12.34[0+]
+ handler.insert(full_exp, '.');
+ if (!params.trailing_zeros) {
+ // Remove trailing zeros.
+ handler.remove_trailing('0');
+ } else if (params.num_digits > size) {
+ // Add trailing zeros.
+ ptrdiff_t num_zeros = params.num_digits - size;
+ handler.append(num_zeros, '0');
+ }
+ } else {
+ // 1234e-6 -> 0.001234
+ handler.insert(0, 2 - full_exp, fill{to_unsigned(-full_exp)});
+ }
+}
+
+struct char_counter {
+ ptrdiff_t size;
+
+ template <typename F>
+ void insert(ptrdiff_t, ptrdiff_t n, F) { size += n; }
+ void insert(ptrdiff_t, char) { ++size; }
+ void append(ptrdiff_t n, char) { size += n; }
+ void append(char) { ++size; }
+ void remove_trailing(char) {}
+};
+
+// Converts format specifiers into parameters for digit generation and computes
+// output buffer size for a number in the range [pow(10, exp - 1), pow(10, exp)
+// or 0 if exp == 1.
+FMT_FUNC gen_digits_params process_specs(const core_format_specs &specs,
+ int exp, buffer &buf) {
+ auto params = gen_digits_params();
+ int num_digits = specs.precision >= 0 ? specs.precision : 6;
+ switch (specs.type) {
+ case 'G':
+ params.upper = true;
+ FMT_FALLTHROUGH
+ case '\0': case 'g':
+ params.trailing_zeros = (specs.flags & HASH_FLAG) != 0;
+ if (-4 <= exp && exp < num_digits + 1) {
+ params.fixed = true;
+ if (!specs.type && params.trailing_zeros && exp >= 0)
+ num_digits = exp + 1;
+ }
+ break;
+ case 'F':
+ params.upper = true;
+ FMT_FALLTHROUGH
+ case 'f': {
+ params.fixed = true;
+ params.trailing_zeros = true;
+ int adjusted_min_digits = num_digits + exp;
+ if (adjusted_min_digits > 0)
+ num_digits = adjusted_min_digits;
+ break;
+ }
+ case 'E':
+ params.upper = true;
+ FMT_FALLTHROUGH
+ case 'e':
+ ++num_digits;
+ break;
+ }
+ params.num_digits = num_digits;
+ char_counter counter{num_digits};
+ grisu2_prettify(params, params.num_digits, exp - num_digits, counter);
+ buf.resize(to_unsigned(counter.size));
+ return params;
+}
+
+template <typename Double>
+FMT_FUNC typename std::enable_if<sizeof(Double) == sizeof(uint64_t), bool>::type
+ grisu2_format(Double value, buffer &buf, core_format_specs specs) {
+ FMT_ASSERT(value >= 0, "value is negative");
+ if (value == 0) {
+ gen_digits_params params = process_specs(specs, 1, buf);
+ const size_t size = 1;
+ buf[0] = '0';
+ grisu2_prettify(params, size, 0, prettify_handler(buf, size));
+ return true;
+ }
+
+ fp fp_value(value);
+ fp lower, upper; // w^- and w^+ in the Grisu paper.
+ fp_value.compute_boundaries(lower, upper);
+
+ // Find a cached power of 10 close to 1 / upper and use it to scale upper.
+ const int min_exp = -60; // alpha in Grisu.
+ int cached_exp = 0; // K in Grisu.
+ auto cached_pow = get_cached_power( // \tilde{c}_{-k} in Grisu.
+ min_exp - (upper.e + fp::significand_size), cached_exp);
+ cached_exp = -cached_exp;
+ upper = upper * cached_pow; // \tilde{M}^+ in Grisu.
+ --upper.f; // \tilde{M}^+ - 1 ulp -> M^+_{\downarrow}.
+ fp one(1ull << -upper.e, upper.e);
+ // hi (p1 in Grisu) contains the most significant digits of scaled_upper.
+ // hi = floor(upper / one).
+ uint32_t hi = static_cast<uint32_t>(upper.f >> -one.e);
+ int exp = count_digits(hi); // kappa in Grisu.
+ gen_digits_params params = process_specs(specs, cached_exp + exp, buf);
+ fp_value.normalize();
+ fp scaled_value = fp_value * cached_pow;
+ lower = lower * cached_pow; // \tilde{M}^- in Grisu.
+ ++lower.f; // \tilde{M}^- + 1 ulp -> M^-_{\uparrow}.
+ uint64_t delta = upper.f - lower.f;
+ fp diff = upper - scaled_value; // wp_w in Grisu.
+ // lo (p2 in Grisu) contains the least significants digits of scaled_upper.
+ // lo = supper % one.
+ uint64_t lo = upper.f & (one.f - 1);
+ int size = 0;
+ if (!grisu2_gen_digits(buf.data(), size, hi, lo, exp, delta, one, diff,
+ params.num_digits)) {
+ buf.clear();
+ return false;
+ }
+ grisu2_prettify(params, size, cached_exp + exp, prettify_handler(buf, size));
+ return true;
+}
+
+template <typename Double>
+void sprintf_format(Double value, internal::buffer &buf,
+ core_format_specs spec) {
+ // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail.
+ FMT_ASSERT(buf.capacity() != 0, "empty buffer");
+
+ // Build format string.
+ enum { MAX_FORMAT_SIZE = 10}; // longest format: %#-*.*Lg
+ char format[MAX_FORMAT_SIZE];
+ char *format_ptr = format;
+ *format_ptr++ = '%';
+ if (spec.has(HASH_FLAG))
+ *format_ptr++ = '#';
+ if (spec.precision >= 0) {
+ *format_ptr++ = '.';
+ *format_ptr++ = '*';
+ }
+ if (std::is_same<Double, long double>::value)
+ *format_ptr++ = 'L';
+ *format_ptr++ = spec.type;
+ *format_ptr = '\0';
+
+ // Format using snprintf.
+ char *start = FMT_NULL;
+ for (;;) {
+ std::size_t buffer_size = buf.capacity();
+ start = &buf[0];
+ int result = internal::char_traits<char>::format_float(
+ start, buffer_size, format, spec.precision, value);
+ if (result >= 0) {
+ unsigned n = internal::to_unsigned(result);
+ if (n < buf.capacity()) {
+ buf.resize(n);
+ break; // The buffer is large enough - continue with formatting.
+ }
+ buf.reserve(n + 1);
+ } else {
+ // If result is negative we ask to increase the capacity by at least 1,
+ // but as std::vector, the buffer grows exponentially.
+ buf.reserve(buf.capacity() + 1);
+ }
+ }
+}
+} // namespace internal
+
+#if FMT_USE_WINDOWS_H
+
+FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) {
+ static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16";
+ if (s.size() > INT_MAX)
+ FMT_THROW(windows_error(ERROR_INVALID_PARAMETER, ERROR_MSG));
+ int s_size = static_cast<int>(s.size());
+ if (s_size == 0) {
+ // MultiByteToWideChar does not support zero length, handle separately.
+ buffer_.resize(1);
+ buffer_[0] = 0;
+ return;
+ }
+
+ int length = MultiByteToWideChar(
+ CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0);
+ if (length == 0)
+ FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
+ buffer_.resize(length + 1);
+ length = MultiByteToWideChar(
+ CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, &buffer_[0], length);
+ if (length == 0)
+ FMT_THROW(windows_error(GetLastError(), ERROR_MSG));
+ buffer_[length] = 0;
+}
+
+FMT_FUNC internal::utf16_to_utf8::utf16_to_utf8(wstring_view s) {
+ if (int error_code = convert(s)) {
+ FMT_THROW(windows_error(error_code,
+ "cannot convert string from UTF-16 to UTF-8"));
+ }
+}
+
+FMT_FUNC int internal::utf16_to_utf8::convert(wstring_view s) {
+ if (s.size() > INT_MAX)
+ return ERROR_INVALID_PARAMETER;
+ int s_size = static_cast<int>(s.size());
+ if (s_size == 0) {
+ // WideCharToMultiByte does not support zero length, handle separately.
+ buffer_.resize(1);
+ buffer_[0] = 0;
+ return 0;
+ }
+
+ int length = WideCharToMultiByte(
+ CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL);
+ if (length == 0)
+ return GetLastError();
+ buffer_.resize(length + 1);
+ length = WideCharToMultiByte(
+ CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL);
+ if (length == 0)
+ return GetLastError();
+ buffer_[length] = 0;
+ return 0;
+}
+
+FMT_FUNC void windows_error::init(
+ int err_code, string_view format_str, format_args args) {
+ error_code_ = err_code;
+ memory_buffer buffer;
+ internal::format_windows_error(buffer, err_code, vformat(format_str, args));
+ std::runtime_error &base = *this;
+ base = std::runtime_error(to_string(buffer));
+}
+
+FMT_FUNC void internal::format_windows_error(
+ internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
+ FMT_TRY {
+ wmemory_buffer buf;
+ buf.resize(inline_buffer_size);
+ for (;;) {
+ wchar_t *system_message = &buf[0];
+ int result = FormatMessageW(
+ FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+ FMT_NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ system_message, static_cast<uint32_t>(buf.size()), FMT_NULL);
+ if (result != 0) {
+ utf16_to_utf8 utf8_message;
+ if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
+ writer w(out);
+ w.write(message);
+ w.write(": ");
+ w.write(utf8_message);
+ return;
+ }
+ break;
+ }
+ if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
+ break; // Can't get error message, report error code instead.
+ buf.resize(buf.size() * 2);
+ }
+ } FMT_CATCH(...) {}
+ format_error_code(out, error_code, message);
+}
+
+#endif // FMT_USE_WINDOWS_H
+
+FMT_FUNC void format_system_error(
+ internal::buffer &out, int error_code, string_view message) FMT_NOEXCEPT {
+ FMT_TRY {
+ memory_buffer buf;
+ buf.resize(inline_buffer_size);
+ for (;;) {
+ char *system_message = &buf[0];
+ int result = safe_strerror(error_code, system_message, buf.size());
+ if (result == 0) {
+ writer w(out);
+ w.write(message);
+ w.write(": ");
+ w.write(system_message);
+ return;
+ }
+ if (result != ERANGE)
+ break; // Can't get error message, report error code instead.
+ buf.resize(buf.size() * 2);
+ }
+ } FMT_CATCH(...) {}
+ format_error_code(out, error_code, message);
+}
+
+FMT_FUNC void internal::error_handler::on_error(const char *message) {
+ FMT_THROW(format_error(message));
+}
+
+FMT_FUNC void report_system_error(
+ int error_code, fmt::string_view message) FMT_NOEXCEPT {
+ report_error(format_system_error, error_code, message);
+}
+
+#if FMT_USE_WINDOWS_H
+FMT_FUNC void report_windows_error(
+ int error_code, fmt::string_view message) FMT_NOEXCEPT {
+ report_error(internal::format_windows_error, error_code, message);
+}
+#endif
+
+FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) {
+ memory_buffer buffer;
+ internal::vformat_to(buffer, format_str,
+ basic_format_args<buffer_context<char>::type>(args));
+ std::fwrite(buffer.data(), 1, buffer.size(), f);
+}
+
+FMT_FUNC void vprint(std::FILE *f, wstring_view format_str, wformat_args args) {
+ wmemory_buffer buffer;
+ internal::vformat_to(buffer, format_str, args);
+ std::fwrite(buffer.data(), sizeof(wchar_t), buffer.size(), f);
+}
+
+FMT_FUNC void vprint(string_view format_str, format_args args) {
+ vprint(stdout, format_str, args);
+}
+
+FMT_FUNC void vprint(wstring_view format_str, wformat_args args) {
+ vprint(stdout, format_str, args);
+}
+
+FMT_END_NAMESPACE
+
+#ifdef _MSC_VER
+# pragma warning(pop)
+#endif
+
+#endif // FMT_FORMAT_INL_H_
diff --git a/include/spdlog/fmt/bundled/format.h b/include/spdlog/fmt/bundled/format.h
new file mode 100644
index 0000000000000000000000000000000000000000..1bb24a529687c561c8750c63bc72f57e1b8ddbfa
--- /dev/null
+++ b/include/spdlog/fmt/bundled/format.h
@@ -0,0 +1,3555 @@
+/*
+ Formatting library for C++
+
+ Copyright (c) 2012 - present, Victor Zverovich
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FMT_FORMAT_H_
+#define FMT_FORMAT_H_
+
+#include <algorithm>
+#include <cassert>
+#include <cmath>
+#include <cstring>
+#include <limits>
+#include <memory>
+#include <stdexcept>
+#include <stdint.h>
+
+#ifdef __clang__
+# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__)
+#else
+# define FMT_CLANG_VERSION 0
+#endif
+
+#ifdef __INTEL_COMPILER
+# define FMT_ICC_VERSION __INTEL_COMPILER
+#elif defined(__ICL)
+# define FMT_ICC_VERSION __ICL
+#else
+# define FMT_ICC_VERSION 0
+#endif
+
+#ifdef __NVCC__
+# define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__)
+#else
+# define FMT_CUDA_VERSION 0
+#endif
+
+#include "core.h"
+
+#if FMT_GCC_VERSION >= 406 || FMT_CLANG_VERSION
+# pragma GCC diagnostic push
+
+// Disable the warning about declaration shadowing because it affects too
+// many valid cases.
+# pragma GCC diagnostic ignored "-Wshadow"
+
+// Disable the warning about nonliteral format strings because we construct
+// them dynamically when falling back to snprintf for FP formatting.
+# pragma GCC diagnostic ignored "-Wformat-nonliteral"
+#endif
+
+# if FMT_CLANG_VERSION
+# pragma GCC diagnostic ignored "-Wgnu-string-literal-operator-template"
+# endif
+
+#ifdef _SECURE_SCL
+# define FMT_SECURE_SCL _SECURE_SCL
+#else
+# define FMT_SECURE_SCL 0
+#endif
+
+#if FMT_SECURE_SCL
+# include <iterator>
+#endif
+
+#ifdef __has_builtin
+# define FMT_HAS_BUILTIN(x) __has_builtin(x)
+#else
+# define FMT_HAS_BUILTIN(x) 0
+#endif
+
+#ifdef __GNUC_LIBSTD__
+# define FMT_GNUC_LIBSTD_VERSION (__GNUC_LIBSTD__ * 100 + __GNUC_LIBSTD_MINOR__)
+#endif
+
+#ifndef FMT_THROW
+# if FMT_EXCEPTIONS
+# if FMT_MSC_VER
+FMT_BEGIN_NAMESPACE
+namespace internal {
+template <typename Exception>
+inline void do_throw(const Exception &x) {
+ // Silence unreachable code warnings in MSVC because these are nearly
+ // impossible to fix in a generic code.
+ volatile bool b = true;
+ if (b)
+ throw x;
+}
+}
+FMT_END_NAMESPACE
+# define FMT_THROW(x) fmt::internal::do_throw(x)
+# else
+# define FMT_THROW(x) throw x
+# endif
+# else
+# define FMT_THROW(x) do { static_cast<void>(sizeof(x)); assert(false); } while(false);
+# endif
+#endif
+
+#ifndef FMT_USE_USER_DEFINED_LITERALS
+// For Intel's compiler and NVIDIA's compiler both it and the system gcc/msc
+// must support UDLs.
+# if (FMT_HAS_FEATURE(cxx_user_literals) || \
+ FMT_GCC_VERSION >= 407 || FMT_MSC_VER >= 1900) && \
+ (!(FMT_ICC_VERSION || FMT_CUDA_VERSION) || \
+ FMT_ICC_VERSION >= 1500 || FMT_CUDA_VERSION >= 700)
+# define FMT_USE_USER_DEFINED_LITERALS 1
+# else
+# define FMT_USE_USER_DEFINED_LITERALS 0
+# endif
+#endif
+
+// EDG C++ Front End based compilers (icc, nvcc) do not currently support UDL
+// templates.
+#if FMT_USE_USER_DEFINED_LITERALS && \
+ FMT_ICC_VERSION == 0 && \
+ FMT_CUDA_VERSION == 0 && \
+ ((FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L) || \
+ (defined(FMT_CLANG_VERSION) && FMT_CLANG_VERSION >= 304))
+# define FMT_UDL_TEMPLATE 1
+#else
+# define FMT_UDL_TEMPLATE 0
+#endif
+
+#ifndef FMT_USE_EXTERN_TEMPLATES
+# ifndef FMT_HEADER_ONLY
+# define FMT_USE_EXTERN_TEMPLATES \
+ ((FMT_CLANG_VERSION >= 209 && __cplusplus >= 201103L) || \
+ (FMT_GCC_VERSION >= 303 && FMT_HAS_GXX_CXX11))
+# else
+# define FMT_USE_EXTERN_TEMPLATES 0
+# endif
+#endif
+
+#if FMT_HAS_GXX_CXX11 || FMT_HAS_FEATURE(cxx_trailing_return) || \
+ FMT_MSC_VER >= 1600
+# define FMT_USE_TRAILING_RETURN 1
+#else
+# define FMT_USE_TRAILING_RETURN 0
+#endif
+
+#ifndef FMT_USE_GRISU
+# define FMT_USE_GRISU 0
+//# define FMT_USE_GRISU std::numeric_limits<double>::is_iec559
+#endif
+
+// __builtin_clz is broken in clang with Microsoft CodeGen:
+// https://github.com/fmtlib/fmt/issues/519
+#ifndef _MSC_VER
+# if FMT_GCC_VERSION >= 400 || FMT_HAS_BUILTIN(__builtin_clz)
+# define FMT_BUILTIN_CLZ(n) __builtin_clz(n)
+# endif
+
+# if FMT_GCC_VERSION >= 400 || FMT_HAS_BUILTIN(__builtin_clzll)
+# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n)
+# endif
+#endif
+
+// Some compilers masquerade as both MSVC and GCC-likes or otherwise support
+// __builtin_clz and __builtin_clzll, so only define FMT_BUILTIN_CLZ using the
+// MSVC intrinsics if the clz and clzll builtins are not available.
+#if FMT_MSC_VER && !defined(FMT_BUILTIN_CLZLL) && !defined(_MANAGED)
+# include <intrin.h> // _BitScanReverse, _BitScanReverse64
+
+FMT_BEGIN_NAMESPACE
+namespace internal {
+// Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning.
+# ifndef __clang__
+# pragma intrinsic(_BitScanReverse)
+# endif
+inline uint32_t clz(uint32_t x) {
+ unsigned long r = 0;
+ _BitScanReverse(&r, x);
+
+ assert(x != 0);
+ // Static analysis complains about using uninitialized data
+ // "r", but the only way that can happen is if "x" is 0,
+ // which the callers guarantee to not happen.
+# pragma warning(suppress: 6102)
+ return 31 - r;
+}
+# define FMT_BUILTIN_CLZ(n) fmt::internal::clz(n)
+
+# if defined(_WIN64) && !defined(__clang__)
+# pragma intrinsic(_BitScanReverse64)
+# endif
+
+inline uint32_t clzll(uint64_t x) {
+ unsigned long r = 0;
+# ifdef _WIN64
+ _BitScanReverse64(&r, x);
+# else
+ // Scan the high 32 bits.
+ if (_BitScanReverse(&r, static_cast<uint32_t>(x >> 32)))
+ return 63 - (r + 32);
+
+ // Scan the low 32 bits.
+ _BitScanReverse(&r, static_cast<uint32_t>(x));
+# endif
+
+ assert(x != 0);
+ // Static analysis complains about using uninitialized data
+ // "r", but the only way that can happen is if "x" is 0,
+ // which the callers guarantee to not happen.
+# pragma warning(suppress: 6102)
+ return 63 - r;
+}
+# define FMT_BUILTIN_CLZLL(n) fmt::internal::clzll(n)
+}
+FMT_END_NAMESPACE
+#endif
+
+FMT_BEGIN_NAMESPACE
+namespace internal {
+
+// An equivalent of `*reinterpret_cast<Dest*>(&source)` that doesn't produce
+// undefined behavior (e.g. due to type aliasing).
+// Example: uint64_t d = bit_cast<uint64_t>(2.718);
+template <typename Dest, typename Source>
+inline Dest bit_cast(const Source& source) {
+ static_assert(sizeof(Dest) == sizeof(Source), "size mismatch");
+ Dest dest;
+ std::memcpy(&dest, &source, sizeof(dest));
+ return dest;
+}
+
+// An implementation of begin and end for pre-C++11 compilers such as gcc 4.
+template <typename C>
+FMT_CONSTEXPR auto begin(const C &c) -> decltype(c.begin()) {
+ return c.begin();
+}
+template <typename T, std::size_t N>
+FMT_CONSTEXPR T *begin(T (&array)[N]) FMT_NOEXCEPT { return array; }
+template <typename C>
+FMT_CONSTEXPR auto end(const C &c) -> decltype(c.end()) { return c.end(); }
+template <typename T, std::size_t N>
+FMT_CONSTEXPR T *end(T (&array)[N]) FMT_NOEXCEPT { return array + N; }
+
+// For std::result_of in gcc 4.4.
+template <typename Result>
+struct function {
+ template <typename T>
+ struct result { typedef Result type; };
+};
+
+struct dummy_int {
+ int data[2];
+ operator int() const { return 0; }
+};
+typedef std::numeric_limits<internal::dummy_int> fputil;
+
+// Dummy implementations of system functions called if the latter are not
+// available.
+inline dummy_int isinf(...) { return dummy_int(); }
+inline dummy_int _finite(...) { return dummy_int(); }
+inline dummy_int isnan(...) { return dummy_int(); }
+inline dummy_int _isnan(...) { return dummy_int(); }
+
+template <typename Allocator>
+typename Allocator::value_type *allocate(Allocator& alloc, std::size_t n) {
+#if __cplusplus >= 201103L || FMT_MSC_VER >= 1700
+ return std::allocator_traits<Allocator>::allocate(alloc, n);
+#else
+ return alloc.allocate(n);
+#endif
+}
+
+// A helper function to suppress bogus "conditional expression is constant"
+// warnings.
+template <typename T>
+inline T const_check(T value) { return value; }
+} // namespace internal
+FMT_END_NAMESPACE
+
+namespace std {
+// Standard permits specialization of std::numeric_limits. This specialization
+// is used to resolve ambiguity between isinf and std::isinf in glibc:
+// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48891
+// and the same for isnan.
+template <>
+class numeric_limits<fmt::internal::dummy_int> :
+ public std::numeric_limits<int> {
+ public:
+ // Portable version of isinf.
+ template <typename T>
+ static bool isinfinity(T x) {
+ using namespace fmt::internal;
+ // The resolution "priority" is:
+ // isinf macro > std::isinf > ::isinf > fmt::internal::isinf
+ if (const_check(sizeof(isinf(x)) != sizeof(fmt::internal::dummy_int)))
+ return isinf(x) != 0;
+ return !_finite(static_cast<double>(x));
+ }
+
+ // Portable version of isnan.
+ template <typename T>
+ static bool isnotanumber(T x) {
+ using namespace fmt::internal;
+ if (const_check(sizeof(isnan(x)) != sizeof(fmt::internal::dummy_int)))
+ return isnan(x) != 0;
+ return _isnan(static_cast<double>(x)) != 0;
+ }
+};
+} // namespace std
+
+FMT_BEGIN_NAMESPACE
+template <typename Range>
+class basic_writer;
+
+template <typename OutputIt, typename T = typename OutputIt::value_type>
+class output_range {
+ private:
+ OutputIt it_;
+
+ // Unused yet.
+ typedef void sentinel;
+ sentinel end() const;
+
+ public:
+ typedef OutputIt iterator;
+ typedef T value_type;
+
+ explicit output_range(OutputIt it): it_(it) {}
+ OutputIt begin() const { return it_; }
+};
+
+// A range where begin() returns back_insert_iterator.
+template <typename Container>
+class back_insert_range:
+ public output_range<std::back_insert_iterator<Container>> {
+ typedef output_range<std::back_insert_iterator<Container>> base;
+ public:
+ typedef typename Container::value_type value_type;
+
+ back_insert_range(Container &c): base(std::back_inserter(c)) {}
+ back_insert_range(typename base::iterator it): base(it) {}
+};
+
+typedef basic_writer<back_insert_range<internal::buffer>> writer;
+typedef basic_writer<back_insert_range<internal::wbuffer>> wwriter;
+
+/** A formatting error such as invalid format string. */
+class format_error : public std::runtime_error {
+ public:
+ explicit format_error(const char *message)
+ : std::runtime_error(message) {}
+
+ explicit format_error(const std::string &message)
+ : std::runtime_error(message) {}
+};
+
+namespace internal {
+
+#if FMT_SECURE_SCL
+template <typename T>
+struct checked { typedef stdext::checked_array_iterator<T*> type; };
+
+// Make a checked iterator to avoid warnings on MSVC.
+template <typename T>
+inline stdext::checked_array_iterator<T*> make_checked(T *p, std::size_t size) {
+ return {p, size};
+}
+#else
+template <typename T>
+struct checked { typedef T *type; };
+template <typename T>
+inline T *make_checked(T *p, std::size_t) { return p; }
+#endif
+
+template <typename T>
+template <typename U>
+void basic_buffer<T>::append(const U *begin, const U *end) {
+ std::size_t new_size = size_ + internal::to_unsigned(end - begin);
+ reserve(new_size);
+ std::uninitialized_copy(begin, end,
+ internal::make_checked(ptr_, capacity_) + size_);
+ size_ = new_size;
+}
+} // namespace internal
+
+// C++20 feature test, since r346892 Clang considers char8_t a fundamental
+// type in this mode. If this is the case __cpp_char8_t will be defined.
+#if !defined(__cpp_char8_t)
+// A UTF-8 code unit type.
+enum char8_t: unsigned char {};
+#endif
+
+// A UTF-8 string view.
+class u8string_view : public basic_string_view<char8_t> {
+ public:
+ typedef char8_t char_type;
+
+ u8string_view(const char *s):
+ basic_string_view<char8_t>(reinterpret_cast<const char8_t*>(s)) {}
+ u8string_view(const char *s, size_t count) FMT_NOEXCEPT:
+ basic_string_view<char8_t>(reinterpret_cast<const char8_t*>(s), count) {}
+};
+
+#if FMT_USE_USER_DEFINED_LITERALS
+inline namespace literals {
+inline u8string_view operator"" _u(const char *s, std::size_t n) {
+ return {s, n};
+}
+}
+#endif
+
+// The number of characters to store in the basic_memory_buffer object itself
+// to avoid dynamic memory allocation.
+enum { inline_buffer_size = 500 };
+
+/**
+ \rst
+ A dynamically growing memory buffer for trivially copyable/constructible types
+ with the first ``SIZE`` elements stored in the object itself.
+
+ You can use one of the following typedefs for common character types:
+
+ +----------------+------------------------------+
+ | Type | Definition |
+ +================+==============================+
+ | memory_buffer | basic_memory_buffer<char> |
+ +----------------+------------------------------+
+ | wmemory_buffer | basic_memory_buffer<wchar_t> |
+ +----------------+------------------------------+
+
+ **Example**::
+
+ fmt::memory_buffer out;
+ format_to(out, "The answer is {}.", 42);
+
+ This will append the following output to the ``out`` object:
+
+ .. code-block:: none
+
+ The answer is 42.
+
+ The output can be converted to an ``std::string`` with ``to_string(out)``.
+ \endrst
+ */
+template <typename T, std::size_t SIZE = inline_buffer_size,
+ typename Allocator = std::allocator<T> >
+class basic_memory_buffer: private Allocator, public internal::basic_buffer<T> {
+ private:
+ T store_[SIZE];
+
+ // Deallocate memory allocated by the buffer.
+ void deallocate() {
+ T* data = this->data();
+ if (data != store_) Allocator::deallocate(data, this->capacity());
+ }
+
+ protected:
+ void grow(std::size_t size) FMT_OVERRIDE;
+
+ public:
+ typedef T value_type;
+ typedef const T &const_reference;
+
+ explicit basic_memory_buffer(const Allocator &alloc = Allocator())
+ : Allocator(alloc) {
+ this->set(store_, SIZE);
+ }
+ ~basic_memory_buffer() { deallocate(); }
+
+ private:
+ // Move data from other to this buffer.
+ void move(basic_memory_buffer &other) {
+ Allocator &this_alloc = *this, &other_alloc = other;
+ this_alloc = std::move(other_alloc);
+ T* data = other.data();
+ std::size_t size = other.size(), capacity = other.capacity();
+ if (data == other.store_) {
+ this->set(store_, capacity);
+ std::uninitialized_copy(other.store_, other.store_ + size,
+ internal::make_checked(store_, capacity));
+ } else {
+ this->set(data, capacity);
+ // Set pointer to the inline array so that delete is not called
+ // when deallocating.
+ other.set(other.store_, 0);
+ }
+ this->resize(size);
+ }
+
+ public:
+ /**
+ \rst
+ Constructs a :class:`fmt::basic_memory_buffer` object moving the content
+ of the other object to it.
+ \endrst
+ */
+ basic_memory_buffer(basic_memory_buffer &&other) {
+ move(other);
+ }
+
+ /**
+ \rst
+ Moves the content of the other ``basic_memory_buffer`` object to this one.
+ \endrst
+ */
+ basic_memory_buffer &operator=(basic_memory_buffer &&other) {
+ assert(this != &other);
+ deallocate();
+ move(other);
+ return *this;
+ }
+
+ // Returns a copy of the allocator associated with this buffer.
+ Allocator get_allocator() const { return *this; }
+};
+
+template <typename T, std::size_t SIZE, typename Allocator>
+void basic_memory_buffer<T, SIZE, Allocator>::grow(std::size_t size) {
+ std::size_t old_capacity = this->capacity();
+ std::size_t new_capacity = old_capacity + old_capacity / 2;
+ if (size > new_capacity)
+ new_capacity = size;
+ T *old_data = this->data();
+ T *new_data = internal::allocate<Allocator>(*this, new_capacity);
+ // The following code doesn't throw, so the raw pointer above doesn't leak.
+ std::uninitialized_copy(old_data, old_data + this->size(),
+ internal::make_checked(new_data, new_capacity));
+ this->set(new_data, new_capacity);
+ // deallocate must not throw according to the standard, but even if it does,
+ // the buffer already uses the new storage and will deallocate it in
+ // destructor.
+ if (old_data != store_)
+ Allocator::deallocate(old_data, old_capacity);
+}
+
+typedef basic_memory_buffer<char> memory_buffer;
+typedef basic_memory_buffer<wchar_t> wmemory_buffer;
+
+namespace internal {
+
+template <typename Char>
+struct char_traits;
+
+template <>
+struct char_traits<char> {
+ // Formats a floating-point number.
+ template <typename T>
+ FMT_API static int format_float(char *buffer, std::size_t size,
+ const char *format, int precision, T value);
+};
+
+template <>
+struct char_traits<wchar_t> {
+ template <typename T>
+ FMT_API static int format_float(wchar_t *buffer, std::size_t size,
+ const wchar_t *format, int precision, T value);
+};
+
+#if FMT_USE_EXTERN_TEMPLATES
+extern template int char_traits<char>::format_float<double>(
+ char *buffer, std::size_t size, const char* format, int precision,
+ double value);
+extern template int char_traits<char>::format_float<long double>(
+ char *buffer, std::size_t size, const char* format, int precision,
+ long double value);
+
+extern template int char_traits<wchar_t>::format_float<double>(
+ wchar_t *buffer, std::size_t size, const wchar_t* format, int precision,
+ double value);
+extern template int char_traits<wchar_t>::format_float<long double>(
+ wchar_t *buffer, std::size_t size, const wchar_t* format, int precision,
+ long double value);
+#endif
+
+template <typename Container>
+inline typename std::enable_if<
+ is_contiguous<Container>::value,
+ typename checked<typename Container::value_type>::type>::type
+ reserve(std::back_insert_iterator<Container> &it, std::size_t n) {
+ Container &c = internal::get_container(it);
+ std::size_t size = c.size();
+ c.resize(size + n);
+ return make_checked(&c[size], n);
+}
+
+template <typename Iterator>
+inline Iterator &reserve(Iterator &it, std::size_t) { return it; }
+
+template <typename Char>
+class null_terminating_iterator;
+
+template <typename Char>
+FMT_CONSTEXPR_DECL const Char *pointer_from(null_terminating_iterator<Char> it);
+
+// An output iterator that counts the number of objects written to it and
+// discards them.
+template <typename T>
+class counting_iterator {
+ private:
+ std::size_t count_;
+ mutable T blackhole_;
+
+ public:
+ typedef std::output_iterator_tag iterator_category;
+ typedef T value_type;
+ typedef std::ptrdiff_t difference_type;
+ typedef T* pointer;
+ typedef T& reference;
+ typedef counting_iterator _Unchecked_type; // Mark iterator as checked.
+
+ counting_iterator(): count_(0) {}
+
+ std::size_t count() const { return count_; }
+
+ counting_iterator& operator++() {
+ ++count_;
+ return *this;
+ }
+
+ counting_iterator operator++(int) {
+ auto it = *this;
+ ++*this;
+ return it;
+ }
+
+ T &operator*() const { return blackhole_; }
+};
+
+template <typename OutputIt>
+class truncating_iterator_base {
+ protected:
+ OutputIt out_;
+ std::size_t limit_;
+ std::size_t count_;
+
+ truncating_iterator_base(OutputIt out, std::size_t limit)
+ : out_(out), limit_(limit), count_(0) {}
+
+ public:
+ typedef std::output_iterator_tag iterator_category;
+ typedef void difference_type;
+ typedef void pointer;
+ typedef void reference;
+ typedef truncating_iterator_base _Unchecked_type; // Mark iterator as checked.
+
+ OutputIt base() const { return out_; }
+ std::size_t count() const { return count_; }
+};
+
+// An output iterator that truncates the output and counts the number of objects
+// written to it.
+template <typename OutputIt, typename Enable = typename std::is_void<
+ typename std::iterator_traits<OutputIt>::value_type>::type>
+class truncating_iterator;
+
+template <typename OutputIt>
+class truncating_iterator<OutputIt, std::false_type>:
+ public truncating_iterator_base<OutputIt> {
+ typedef std::iterator_traits<OutputIt> traits;
+
+ mutable typename traits::value_type blackhole_;
+
+ public:
+ typedef typename traits::value_type value_type;
+
+ truncating_iterator(OutputIt out, std::size_t limit)
+ : truncating_iterator_base<OutputIt>(out, limit) {}
+
+ truncating_iterator& operator++() {
+ if (this->count_++ < this->limit_)
+ ++this->out_;
+ return *this;
+ }
+
+ truncating_iterator operator++(int) {
+ auto it = *this;
+ ++*this;
+ return it;
+ }
+
+ value_type& operator*() const {
+ return this->count_ < this->limit_ ? *this->out_ : blackhole_;
+ }
+};
+
+template <typename OutputIt>
+class truncating_iterator<OutputIt, std::true_type>:
+ public truncating_iterator_base<OutputIt> {
+ public:
+ typedef typename OutputIt::container_type::value_type value_type;
+
+ truncating_iterator(OutputIt out, std::size_t limit)
+ : truncating_iterator_base<OutputIt>(out, limit) {}
+
+ truncating_iterator& operator=(value_type val) {
+ if (this->count_++ < this->limit_)
+ this->out_ = val;
+ return *this;
+ }
+
+ truncating_iterator& operator++() { return *this; }
+ truncating_iterator& operator++(int) { return *this; }
+ truncating_iterator& operator*() { return *this; }
+};
+
+// Returns true if value is negative, false otherwise.
+// Same as (value < 0) but doesn't produce warnings if T is an unsigned type.
+template <typename T>
+FMT_CONSTEXPR typename std::enable_if<
+ std::numeric_limits<T>::is_signed, bool>::type is_negative(T value) {
+ return value < 0;
+}
+template <typename T>
+FMT_CONSTEXPR typename std::enable_if<
+ !std::numeric_limits<T>::is_signed, bool>::type is_negative(T) {
+ return false;
+}
+
+template <typename T>
+struct int_traits {
+ // Smallest of uint32_t and uint64_t that is large enough to represent
+ // all values of T.
+ typedef typename std::conditional<
+ std::numeric_limits<T>::digits <= 32, uint32_t, uint64_t>::type main_type;
+};
+
+// Static data is placed in this class template to allow header-only
+// configuration.
+template <typename T = void>
+struct FMT_API basic_data {
+ static const uint32_t POWERS_OF_10_32[];
+ static const uint32_t ZERO_OR_POWERS_OF_10_32[];
+ static const uint64_t ZERO_OR_POWERS_OF_10_64[];
+ static const uint64_t POW10_SIGNIFICANDS[];
+ static const int16_t POW10_EXPONENTS[];
+ static const char DIGITS[];
+ static const char FOREGROUND_COLOR[];
+ static const char BACKGROUND_COLOR[];
+ static const char RESET_COLOR[];
+ static const wchar_t WRESET_COLOR[];
+};
+
+#if FMT_USE_EXTERN_TEMPLATES
+extern template struct basic_data<void>;
+#endif
+
+typedef basic_data<> data;
+
+#ifdef FMT_BUILTIN_CLZLL
+// Returns the number of decimal digits in n. Leading zeros are not counted
+// except for n == 0 in which case count_digits returns 1.
+inline int count_digits(uint64_t n) {
+ // Based on http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog10
+ // and the benchmark https://github.com/localvoid/cxx-benchmark-count-digits.
+ int t = (64 - FMT_BUILTIN_CLZLL(n | 1)) * 1233 >> 12;
+ return t - (n < data::ZERO_OR_POWERS_OF_10_64[t]) + 1;
+}
+#else
+// Fallback version of count_digits used when __builtin_clz is not available.
+inline int count_digits(uint64_t n) {
+ int count = 1;
+ for (;;) {
+ // Integer division is slow so do it for a group of four digits instead
+ // of for every digit. The idea comes from the talk by Alexandrescu
+ // "Three Optimization Tips for C++". See speed-test for a comparison.
+ if (n < 10) return count;
+ if (n < 100) return count + 1;
+ if (n < 1000) return count + 2;
+ if (n < 10000) return count + 3;
+ n /= 10000u;
+ count += 4;
+ }
+}
+#endif
+
+template <typename Char>
+inline size_t count_code_points(basic_string_view<Char> s) { return s.size(); }
+
+// Counts the number of code points in a UTF-8 string.
+FMT_API size_t count_code_points(basic_string_view<char8_t> s);
+
+inline char8_t to_char8_t(char c) { return static_cast<char8_t>(c); }
+
+template <typename InputIt, typename OutChar>
+struct needs_conversion: std::integral_constant<bool,
+ std::is_same<
+ typename std::iterator_traits<InputIt>::value_type, char>::value &&
+ std::is_same<OutChar, char8_t>::value> {};
+
+template <typename OutChar, typename InputIt, typename OutputIt>
+typename std::enable_if<
+ !needs_conversion<InputIt, OutChar>::value, OutputIt>::type
+ copy_str(InputIt begin, InputIt end, OutputIt it) {
+ return std::copy(begin, end, it);
+}
+
+template <typename OutChar, typename InputIt, typename OutputIt>
+typename std::enable_if<
+ needs_conversion<InputIt, OutChar>::value, OutputIt>::type
+ copy_str(InputIt begin, InputIt end, OutputIt it) {
+ return std::transform(begin, end, it, to_char8_t);
+}
+
+#if FMT_HAS_CPP_ATTRIBUTE(always_inline)
+# define FMT_ALWAYS_INLINE __attribute__((always_inline))
+#else
+# define FMT_ALWAYS_INLINE
+#endif
+
+template <typename Handler>
+inline char *lg(uint32_t n, Handler h) FMT_ALWAYS_INLINE;
+
+// Computes g = floor(log10(n)) and calls h.on<g>(n);
+template <typename Handler>
+inline char *lg(uint32_t n, Handler h) {
+ return n < 100 ? n < 10 ? h.template on<0>(n) : h.template on<1>(n)
+ : n < 1000000
+ ? n < 10000 ? n < 1000 ? h.template on<2>(n)
+ : h.template on<3>(n)
+ : n < 100000 ? h.template on<4>(n)
+ : h.template on<5>(n)
+ : n < 100000000 ? n < 10000000 ? h.template on<6>(n)
+ : h.template on<7>(n)
+ : n < 1000000000 ? h.template on<8>(n)
+ : h.template on<9>(n);
+}
+
+// An lg handler that formats a decimal number.
+// Usage: lg(n, decimal_formatter(buffer));
+class decimal_formatter {
+ private:
+ char *buffer_;
+
+ void write_pair(unsigned N, uint32_t index) {
+ std::memcpy(buffer_ + N, data::DIGITS + index * 2, 2);
+ }
+
+ public:
+ explicit decimal_formatter(char *buf) : buffer_(buf) {}
+
+ template <unsigned N> char *on(uint32_t u) {
+ if (N == 0) {
+ *buffer_ = static_cast<char>(u) + '0';
+ } else if (N == 1) {
+ write_pair(0, u);
+ } else {
+ // The idea of using 4.32 fixed-point numbers is based on
+ // https://github.com/jeaiii/itoa
+ unsigned n = N - 1;
+ unsigned a = n / 5 * n * 53 / 16;
+ uint64_t t = ((1ULL << (32 + a)) /
+ data::ZERO_OR_POWERS_OF_10_32[n] + 1 - n / 9);
+ t = ((t * u) >> a) + n / 5 * 4;
+ write_pair(0, t >> 32);
+ for (unsigned i = 2; i < N; i += 2) {
+ t = 100ULL * static_cast<uint32_t>(t);
+ write_pair(i, t >> 32);
+ }
+ if (N % 2 == 0) {
+ buffer_[N] = static_cast<char>(
+ (10ULL * static_cast<uint32_t>(t)) >> 32) + '0';
+ }
+ }
+ return buffer_ += N + 1;
+ }
+};
+
+// An lg handler that formats a decimal number with a terminating null.
+class decimal_formatter_null : public decimal_formatter {
+ public:
+ explicit decimal_formatter_null(char *buf) : decimal_formatter(buf) {}
+
+ template <unsigned N> char *on(uint32_t u) {
+ char *buf = decimal_formatter::on<N>(u);
+ *buf = '\0';
+ return buf;
+ }
+};
+
+#ifdef FMT_BUILTIN_CLZ
+// Optional version of count_digits for better performance on 32-bit platforms.
+inline int count_digits(uint32_t n) {
+ int t = (32 - FMT_BUILTIN_CLZ(n | 1)) * 1233 >> 12;
+ return t - (n < data::ZERO_OR_POWERS_OF_10_32[t]) + 1;
+}
+#endif
+
+// A functor that doesn't add a thousands separator.
+struct no_thousands_sep {
+ typedef char char_type;
+
+ template <typename Char>
+ void operator()(Char *) {}
+
+ enum { size = 0 };
+};
+
+// A functor that adds a thousands separator.
+template <typename Char>
+class add_thousands_sep {
+ private:
+ basic_string_view<Char> sep_;
+
+ // Index of a decimal digit with the least significant digit having index 0.
+ unsigned digit_index_;
+
+ public:
+ typedef Char char_type;
+
+ explicit add_thousands_sep(basic_string_view<Char> sep)
+ : sep_(sep), digit_index_(0) {}
+
+ void operator()(Char *&buffer) {
+ if (++digit_index_ % 3 != 0)
+ return;
+ buffer -= sep_.size();
+ std::uninitialized_copy(sep_.data(), sep_.data() + sep_.size(),
+ internal::make_checked(buffer, sep_.size()));
+ }
+
+ enum { size = 1 };
+};
+
+template <typename Char>
+FMT_API Char thousands_sep_impl(locale_ref loc);
+
+template <typename Char>
+inline Char thousands_sep(locale_ref loc) {
+ return Char(thousands_sep_impl<char>(loc));
+}
+
+template <>
+inline wchar_t thousands_sep(locale_ref loc) {
+ return thousands_sep_impl<wchar_t>(loc);
+}
+
+// Formats a decimal unsigned integer value writing into buffer.
+// thousands_sep is a functor that is called after writing each char to
+// add a thousands separator if necessary.
+template <typename UInt, typename Char, typename ThousandsSep>
+inline Char *format_decimal(Char *buffer, UInt value, int num_digits,
+ ThousandsSep thousands_sep) {
+ FMT_ASSERT(num_digits >= 0, "invalid digit count");
+ buffer += num_digits;
+ Char *end = buffer;
+ while (value >= 100) {
+ // Integer division is slow so do it for a group of two digits instead
+ // of for every digit. The idea comes from the talk by Alexandrescu
+ // "Three Optimization Tips for C++". See speed-test for a comparison.
+ unsigned index = static_cast<unsigned>((value % 100) * 2);
+ value /= 100;
+ *--buffer = static_cast<Char>(data::DIGITS[index + 1]);
+ thousands_sep(buffer);
+ *--buffer = static_cast<Char>(data::DIGITS[index]);
+ thousands_sep(buffer);
+ }
+ if (value < 10) {
+ *--buffer = static_cast<Char>('0' + value);
+ return end;
+ }
+ unsigned index = static_cast<unsigned>(value * 2);
+ *--buffer = static_cast<Char>(data::DIGITS[index + 1]);
+ thousands_sep(buffer);
+ *--buffer = static_cast<Char>(data::DIGITS[index]);
+ return end;
+}
+
+template <typename OutChar, typename UInt, typename Iterator,
+ typename ThousandsSep>
+inline Iterator format_decimal(
+ Iterator out, UInt value, int num_digits, ThousandsSep sep) {
+ FMT_ASSERT(num_digits >= 0, "invalid digit count");
+ typedef typename ThousandsSep::char_type char_type;
+ // Buffer should be large enough to hold all digits (<= digits10 + 1).
+ enum { max_size = std::numeric_limits<UInt>::digits10 + 1 };
+ FMT_ASSERT(ThousandsSep::size <= 1, "invalid separator");
+ char_type buffer[max_size + max_size / 3];
+ auto end = format_decimal(buffer, value, num_digits, sep);
+ return internal::copy_str<OutChar>(buffer, end, out);
+}
+
+template <typename OutChar, typename It, typename UInt>
+inline It format_decimal(It out, UInt value, int num_digits) {
+ return format_decimal<OutChar>(out, value, num_digits, no_thousands_sep());
+}
+
+template <unsigned BASE_BITS, typename Char, typename UInt>
+inline Char *format_uint(Char *buffer, UInt value, int num_digits,
+ bool upper = false) {
+ buffer += num_digits;
+ Char *end = buffer;
+ do {
+ const char *digits = upper ? "0123456789ABCDEF" : "0123456789abcdef";
+ unsigned digit = (value & ((1 << BASE_BITS) - 1));
+ *--buffer = static_cast<Char>(BASE_BITS < 4 ? static_cast<char>('0' + digit)
+ : digits[digit]);
+ } while ((value >>= BASE_BITS) != 0);
+ return end;
+}
+
+template <unsigned BASE_BITS, typename Char, typename It, typename UInt>
+inline It format_uint(It out, UInt value, int num_digits,
+ bool upper = false) {
+ // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1)
+ // and null.
+ char buffer[std::numeric_limits<UInt>::digits / BASE_BITS + 2];
+ format_uint<BASE_BITS>(buffer, value, num_digits, upper);
+ return internal::copy_str<Char>(buffer, buffer + num_digits, out);
+}
+
+#ifndef _WIN32
+# define FMT_USE_WINDOWS_H 0
+#elif !defined(FMT_USE_WINDOWS_H)
+# define FMT_USE_WINDOWS_H 1
+#endif
+
+// Define FMT_USE_WINDOWS_H to 0 to disable use of windows.h.
+// All the functionality that relies on it will be disabled too.
+#if FMT_USE_WINDOWS_H
+// A converter from UTF-8 to UTF-16.
+// It is only provided for Windows since other systems support UTF-8 natively.
+class utf8_to_utf16 {
+ private:
+ wmemory_buffer buffer_;
+
+ public:
+ FMT_API explicit utf8_to_utf16(string_view s);
+ operator wstring_view() const { return wstring_view(&buffer_[0], size()); }
+ size_t size() const { return buffer_.size() - 1; }
+ const wchar_t *c_str() const { return &buffer_[0]; }
+ std::wstring str() const { return std::wstring(&buffer_[0], size()); }
+};
+
+// A converter from UTF-16 to UTF-8.
+// It is only provided for Windows since other systems support UTF-8 natively.
+class utf16_to_utf8 {
+ private:
+ memory_buffer buffer_;
+
+ public:
+ utf16_to_utf8() {}
+ FMT_API explicit utf16_to_utf8(wstring_view s);
+ operator string_view() const { return string_view(&buffer_[0], size()); }
+ size_t size() const { return buffer_.size() - 1; }
+ const char *c_str() const { return &buffer_[0]; }
+ std::string str() const { return std::string(&buffer_[0], size()); }
+
+ // Performs conversion returning a system error code instead of
+ // throwing exception on conversion error. This method may still throw
+ // in case of memory allocation error.
+ FMT_API int convert(wstring_view s);
+};
+
+FMT_API void format_windows_error(fmt::internal::buffer &out, int error_code,
+ fmt::string_view message) FMT_NOEXCEPT;
+#endif
+
+template <typename T = void>
+struct null {};
+} // namespace internal
+
+enum alignment {
+ ALIGN_DEFAULT, ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTER, ALIGN_NUMERIC
+};
+
+// Flags.
+enum { SIGN_FLAG = 1, PLUS_FLAG = 2, MINUS_FLAG = 4, HASH_FLAG = 8 };
+
+// An alignment specifier.
+struct align_spec {
+ unsigned width_;
+ // Fill is always wchar_t and cast to char if necessary to avoid having
+ // two specialization of AlignSpec and its subclasses.
+ wchar_t fill_;
+ alignment align_;
+
+ FMT_CONSTEXPR align_spec() : width_(0), fill_(' '), align_(ALIGN_DEFAULT) {}
+ FMT_CONSTEXPR unsigned width() const { return width_; }
+ FMT_CONSTEXPR wchar_t fill() const { return fill_; }
+ FMT_CONSTEXPR alignment align() const { return align_; }
+};
+
+struct core_format_specs {
+ int precision;
+ uint_least8_t flags;
+ char type;
+
+ FMT_CONSTEXPR core_format_specs() : precision(-1), flags(0), type(0) {}
+ FMT_CONSTEXPR bool has(unsigned f) const { return (flags & f) != 0; }
+};
+
+// Format specifiers.
+template <typename Char>
+struct basic_format_specs : align_spec, core_format_specs {
+ FMT_CONSTEXPR basic_format_specs() {}
+};
+
+typedef basic_format_specs<char> format_specs;
+
+template <typename Char, typename ErrorHandler>
+FMT_CONSTEXPR unsigned basic_parse_context<Char, ErrorHandler>::next_arg_id() {
+ if (next_arg_id_ >= 0)
+ return internal::to_unsigned(next_arg_id_++);
+ on_error("cannot switch from manual to automatic argument indexing");
+ return 0;
+}
+
+namespace internal {
+
+// Formats value using Grisu2 algorithm:
+// https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf
+template <typename Double>
+FMT_API typename std::enable_if<sizeof(Double) == sizeof(uint64_t), bool>::type
+ grisu2_format(Double value, buffer &buf, core_format_specs);
+template <typename Double>
+inline typename std::enable_if<sizeof(Double) != sizeof(uint64_t), bool>::type
+ grisu2_format(Double, buffer &, core_format_specs) { return false; }
+
+template <typename Double>
+void sprintf_format(Double, internal::buffer &, core_format_specs);
+
+template <typename Handler>
+FMT_CONSTEXPR void handle_int_type_spec(char spec, Handler &&handler) {
+ switch (spec) {
+ case 0: case 'd':
+ handler.on_dec();
+ break;
+ case 'x': case 'X':
+ handler.on_hex();
+ break;
+ case 'b': case 'B':
+ handler.on_bin();
+ break;
+ case 'o':
+ handler.on_oct();
+ break;
+ case 'n':
+ handler.on_num();
+ break;
+ default:
+ handler.on_error();
+ }
+}
+
+template <typename Handler>
+FMT_CONSTEXPR void handle_float_type_spec(char spec, Handler &&handler) {
+ switch (spec) {
+ case 0: case 'g': case 'G':
+ handler.on_general();
+ break;
+ case 'e': case 'E':
+ handler.on_exp();
+ break;
+ case 'f': case 'F':
+ handler.on_fixed();
+ break;
+ case 'a': case 'A':
+ handler.on_hex();
+ break;
+ default:
+ handler.on_error();
+ break;
+ }
+}
+
+template <typename Char, typename Handler>
+FMT_CONSTEXPR void handle_char_specs(
+ const basic_format_specs<Char> *specs, Handler &&handler) {
+ if (!specs) return handler.on_char();
+ if (specs->type && specs->type != 'c') return handler.on_int();
+ if (specs->align() == ALIGN_NUMERIC || specs->flags != 0)
+ handler.on_error("invalid format specifier for char");
+ handler.on_char();
+}
+
+template <typename Char, typename Handler>
+FMT_CONSTEXPR void handle_cstring_type_spec(Char spec, Handler &&handler) {
+ if (spec == 0 || spec == 's')
+ handler.on_string();
+ else if (spec == 'p')
+ handler.on_pointer();
+ else
+ handler.on_error("invalid type specifier");
+}
+
+template <typename Char, typename ErrorHandler>
+FMT_CONSTEXPR void check_string_type_spec(Char spec, ErrorHandler &&eh) {
+ if (spec != 0 && spec != 's')
+ eh.on_error("invalid type specifier");
+}
+
+template <typename Char, typename ErrorHandler>
+FMT_CONSTEXPR void check_pointer_type_spec(Char spec, ErrorHandler &&eh) {
+ if (spec != 0 && spec != 'p')
+ eh.on_error("invalid type specifier");
+}
+
+template <typename ErrorHandler>
+class int_type_checker : private ErrorHandler {
+ public:
+ FMT_CONSTEXPR explicit int_type_checker(ErrorHandler eh) : ErrorHandler(eh) {}
+
+ FMT_CONSTEXPR void on_dec() {}
+ FMT_CONSTEXPR void on_hex() {}
+ FMT_CONSTEXPR void on_bin() {}
+ FMT_CONSTEXPR void on_oct() {}
+ FMT_CONSTEXPR void on_num() {}
+
+ FMT_CONSTEXPR void on_error() {
+ ErrorHandler::on_error("invalid type specifier");
+ }
+};
+
+template <typename ErrorHandler>
+class float_type_checker : private ErrorHandler {
+ public:
+ FMT_CONSTEXPR explicit float_type_checker(ErrorHandler eh)
+ : ErrorHandler(eh) {}
+
+ FMT_CONSTEXPR void on_general() {}
+ FMT_CONSTEXPR void on_exp() {}
+ FMT_CONSTEXPR void on_fixed() {}
+ FMT_CONSTEXPR void on_hex() {}
+
+ FMT_CONSTEXPR void on_error() {
+ ErrorHandler::on_error("invalid type specifier");
+ }
+};
+
+template <typename ErrorHandler>
+class char_specs_checker : public ErrorHandler {
+ private:
+ char type_;
+
+ public:
+ FMT_CONSTEXPR char_specs_checker(char type, ErrorHandler eh)
+ : ErrorHandler(eh), type_(type) {}
+
+ FMT_CONSTEXPR void on_int() {
+ handle_int_type_spec(type_, int_type_checker<ErrorHandler>(*this));
+ }
+ FMT_CONSTEXPR void on_char() {}
+};
+
+template <typename ErrorHandler>
+class cstring_type_checker : public ErrorHandler {
+ public:
+ FMT_CONSTEXPR explicit cstring_type_checker(ErrorHandler eh)
+ : ErrorHandler(eh) {}
+
+ FMT_CONSTEXPR void on_string() {}
+ FMT_CONSTEXPR void on_pointer() {}
+};
+
+template <typename Context>
+void arg_map<Context>::init(const basic_format_args<Context> &args) {
+ if (map_)
+ return;
+ map_ = new entry[args.max_size()];
+ if (args.is_packed()) {
+ for (unsigned i = 0;/*nothing*/; ++i) {
+ internal::type arg_type = args.type(i);
+ switch (arg_type) {
+ case internal::none_type:
+ return;
+ case internal::named_arg_type:
+ push_back(args.values_[i]);
+ break;
+ default:
+ break; // Do nothing.
+ }
+ }
+ }
+ for (unsigned i = 0; ; ++i) {
+ switch (args.args_[i].type_) {
+ case internal::none_type:
+ return;
+ case internal::named_arg_type:
+ push_back(args.args_[i].value_);
+ break;
+ default:
+ break; // Do nothing.
+ }
+ }
+}
+
+template <typename Range>
+class arg_formatter_base {
+ public:
+ typedef typename Range::value_type char_type;
+ typedef decltype(internal::declval<Range>().begin()) iterator;
+ typedef basic_format_specs<char_type> format_specs;
+
+ private:
+ typedef basic_writer<Range> writer_type;
+ writer_type writer_;
+ format_specs *specs_;
+
+ struct char_writer {
+ char_type value;
+
+ size_t size() const { return 1; }
+ size_t width() const { return 1; }
+
+ template <typename It>
+ void operator()(It &&it) const { *it++ = value; }
+ };
+
+ void write_char(char_type value) {
+ if (specs_)
+ writer_.write_padded(*specs_, char_writer{value});
+ else
+ writer_.write(value);
+ }
+
+ void write_pointer(const void *p) {
+ format_specs specs = specs_ ? *specs_ : format_specs();
+ specs.flags = HASH_FLAG;
+ specs.type = 'x';
+ writer_.write_int(reinterpret_cast<uintptr_t>(p), specs);
+ }
+
+ protected:
+ writer_type &writer() { return writer_; }
+ format_specs *spec() { return specs_; }
+ iterator out() { return writer_.out(); }
+
+ void write(bool value) {
+ string_view sv(value ? "true" : "false");
+ specs_ ? writer_.write(sv, *specs_) : writer_.write(sv);
+ }
+
+ void write(const char_type *value) {
+ if (!value)
+ FMT_THROW(format_error("string pointer is null"));
+ auto length = std::char_traits<char_type>::length(value);
+ basic_string_view<char_type> sv(value, length);
+ specs_ ? writer_.write(sv, *specs_) : writer_.write(sv);
+ }
+
+ public:
+ arg_formatter_base(Range r, format_specs *s, locale_ref loc)
+ : writer_(r, loc), specs_(s) {}
+
+ iterator operator()(monostate) {
+ FMT_ASSERT(false, "invalid argument type");
+ return out();
+ }
+
+ template <typename T>
+ typename std::enable_if<
+ std::is_integral<T>::value || std::is_same<T, char_type>::value,
+ iterator>::type 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) {
+ if (specs_ && specs_->type)
+ return (*this)(value ? 1 : 0);
+ write(value != 0);
+ } else if (std::is_same<T, char_type>::value) {
+ internal::handle_char_specs(
+ specs_, char_spec_handler(*this, static_cast<char_type>(value)));
+ } else {
+ specs_ ? writer_.write_int(value, *specs_) : writer_.write(value);
+ }
+ return out();
+ }
+
+ template <typename T>
+ typename std::enable_if<std::is_floating_point<T>::value, iterator>::type
+ operator()(T value) {
+ writer_.write_double(value, specs_ ? *specs_ : format_specs());
+ return out();
+ }
+
+ struct char_spec_handler : internal::error_handler {
+ arg_formatter_base &formatter;
+ char_type value;
+
+ char_spec_handler(arg_formatter_base& f, char_type val)
+ : formatter(f), value(val) {}
+
+ void on_int() {
+ if (formatter.specs_)
+ formatter.writer_.write_int(value, *formatter.specs_);
+ else
+ formatter.writer_.write(value);
+ }
+ void on_char() { formatter.write_char(value); }
+ };
+
+ struct cstring_spec_handler : internal::error_handler {
+ arg_formatter_base &formatter;
+ const char_type *value;
+
+ cstring_spec_handler(arg_formatter_base &f, const char_type *val)
+ : formatter(f), value(val) {}
+
+ void on_string() { formatter.write(value); }
+ void on_pointer() { formatter.write_pointer(value); }
+ };
+
+ iterator operator()(const char_type *value) {
+ if (!specs_) return write(value), out();
+ internal::handle_cstring_type_spec(
+ specs_->type, cstring_spec_handler(*this, value));
+ return out();
+ }
+
+ iterator operator()(basic_string_view<char_type> value) {
+ if (specs_) {
+ internal::check_string_type_spec(
+ specs_->type, internal::error_handler());
+ writer_.write(value, *specs_);
+ } else {
+ writer_.write(value);
+ }
+ return out();
+ }
+
+ iterator operator()(const void *value) {
+ if (specs_)
+ check_pointer_type_spec(specs_->type, internal::error_handler());
+ write_pointer(value);
+ return out();
+ }
+};
+
+template <typename Char>
+FMT_CONSTEXPR bool is_name_start(Char c) {
+ return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c;
+}
+
+// Parses the range [begin, end) as an unsigned integer. This function assumes
+// that the range is non-empty and the first character is a digit.
+template <typename Char, typename ErrorHandler>
+FMT_CONSTEXPR unsigned parse_nonnegative_int(
+ const Char *&begin, const Char *end, ErrorHandler &&eh) {
+ assert(begin != end && '0' <= *begin && *begin <= '9');
+ if (*begin == '0') {
+ ++begin;
+ return 0;
+ }
+ unsigned value = 0;
+ // Convert to unsigned to prevent a warning.
+ unsigned max_int = (std::numeric_limits<int>::max)();
+ unsigned big = max_int / 10;
+ do {
+ // Check for overflow.
+ if (value > big) {
+ value = max_int + 1;
+ break;
+ }
+ value = value * 10 + unsigned(*begin - '0');
+ ++begin;
+ } while (begin != end && '0' <= *begin && *begin <= '9');
+ if (value > max_int)
+ eh.on_error("number is too big");
+ return value;
+}
+
+template <typename Char, typename Context>
+class custom_formatter: public function<bool> {
+ private:
+ Context &ctx_;
+
+ public:
+ explicit custom_formatter(Context &ctx): ctx_(ctx) {}
+
+ bool operator()(typename basic_format_arg<Context>::handle h) const {
+ h.format(ctx_);
+ return true;
+ }
+
+ template <typename T>
+ bool operator()(T) const { return false; }
+};
+
+template <typename T>
+struct is_integer {
+ enum {
+ value = std::is_integral<T>::value && !std::is_same<T, bool>::value &&
+ !std::is_same<T, char>::value && !std::is_same<T, wchar_t>::value
+ };
+};
+
+template <typename ErrorHandler>
+class width_checker: public function<unsigned long long> {
+ public:
+ explicit FMT_CONSTEXPR width_checker(ErrorHandler &eh) : handler_(eh) {}
+
+ template <typename T>
+ FMT_CONSTEXPR
+ typename std::enable_if<
+ is_integer<T>::value, unsigned long long>::type operator()(T value) {
+ if (is_negative(value))
+ handler_.on_error("negative width");
+ return static_cast<unsigned long long>(value);
+ }
+
+ template <typename T>
+ FMT_CONSTEXPR typename std::enable_if<
+ !is_integer<T>::value, unsigned long long>::type operator()(T) {
+ handler_.on_error("width is not integer");
+ return 0;
+ }
+
+ private:
+ ErrorHandler &handler_;
+};
+
+template <typename ErrorHandler>
+class precision_checker: public function<unsigned long long> {
+ public:
+ explicit FMT_CONSTEXPR precision_checker(ErrorHandler &eh) : handler_(eh) {}
+
+ template <typename T>
+ FMT_CONSTEXPR typename std::enable_if<
+ is_integer<T>::value, unsigned long long>::type operator()(T value) {
+ if (is_negative(value))
+ handler_.on_error("negative precision");
+ return static_cast<unsigned long long>(value);
+ }
+
+ template <typename T>
+ FMT_CONSTEXPR typename std::enable_if<
+ !is_integer<T>::value, unsigned long long>::type operator()(T) {
+ handler_.on_error("precision is not integer");
+ return 0;
+ }
+
+ private:
+ ErrorHandler &handler_;
+};
+
+// A format specifier handler that sets fields in basic_format_specs.
+template <typename Char>
+class specs_setter {
+ public:
+ explicit FMT_CONSTEXPR specs_setter(basic_format_specs<Char> &specs):
+ specs_(specs) {}
+
+ FMT_CONSTEXPR specs_setter(const specs_setter &other): specs_(other.specs_) {}
+
+ FMT_CONSTEXPR void on_align(alignment align) { specs_.align_ = align; }
+ FMT_CONSTEXPR void on_fill(Char fill) { specs_.fill_ = fill; }
+ FMT_CONSTEXPR void on_plus() { specs_.flags |= SIGN_FLAG | PLUS_FLAG; }
+ FMT_CONSTEXPR void on_minus() { specs_.flags |= MINUS_FLAG; }
+ FMT_CONSTEXPR void on_space() { specs_.flags |= SIGN_FLAG; }
+ FMT_CONSTEXPR void on_hash() { specs_.flags |= HASH_FLAG; }
+
+ FMT_CONSTEXPR void on_zero() {
+ specs_.align_ = ALIGN_NUMERIC;
+ specs_.fill_ = '0';
+ }
+
+ FMT_CONSTEXPR void on_width(unsigned width) { specs_.width_ = width; }
+ FMT_CONSTEXPR void on_precision(unsigned precision) {
+ specs_.precision = static_cast<int>(precision);
+ }
+ FMT_CONSTEXPR void end_precision() {}
+
+ FMT_CONSTEXPR void on_type(Char type) {
+ specs_.type = static_cast<char>(type);
+ }
+
+ protected:
+ basic_format_specs<Char> &specs_;
+};
+
+// A format specifier handler that checks if specifiers are consistent with the
+// argument type.
+template <typename Handler>
+class specs_checker : public Handler {
+ public:
+ FMT_CONSTEXPR specs_checker(const Handler& handler, internal::type arg_type)
+ : Handler(handler), arg_type_(arg_type) {}
+
+ FMT_CONSTEXPR specs_checker(const specs_checker &other)
+ : Handler(other), arg_type_(other.arg_type_) {}
+
+ FMT_CONSTEXPR void on_align(alignment align) {
+ if (align == ALIGN_NUMERIC)
+ require_numeric_argument();
+ Handler::on_align(align);
+ }
+
+ FMT_CONSTEXPR void on_plus() {
+ check_sign();
+ Handler::on_plus();
+ }
+
+ FMT_CONSTEXPR void on_minus() {
+ check_sign();
+ Handler::on_minus();
+ }
+
+ FMT_CONSTEXPR void on_space() {
+ check_sign();
+ Handler::on_space();
+ }
+
+ FMT_CONSTEXPR void on_hash() {
+ require_numeric_argument();
+ Handler::on_hash();
+ }
+
+ FMT_CONSTEXPR void on_zero() {
+ require_numeric_argument();
+ Handler::on_zero();
+ }
+
+ FMT_CONSTEXPR void end_precision() {
+ if (is_integral(arg_type_) || arg_type_ == pointer_type)
+ this->on_error("precision not allowed for this argument type");
+ }
+
+ private:
+ FMT_CONSTEXPR void require_numeric_argument() {
+ if (!is_arithmetic(arg_type_))
+ this->on_error("format specifier requires numeric argument");
+ }
+
+ FMT_CONSTEXPR void check_sign() {
+ require_numeric_argument();
+ if (is_integral(arg_type_) && arg_type_ != int_type &&
+ arg_type_ != long_long_type && arg_type_ != internal::char_type) {
+ this->on_error("format specifier requires signed argument");
+ }
+ }
+
+ internal::type arg_type_;
+};
+
+template <template <typename> class Handler, typename T,
+ typename Context, typename ErrorHandler>
+FMT_CONSTEXPR void set_dynamic_spec(
+ T &value, basic_format_arg<Context> arg, ErrorHandler eh) {
+ unsigned long long big_value =
+ visit_format_arg(Handler<ErrorHandler>(eh), arg);
+ if (big_value > to_unsigned((std::numeric_limits<int>::max)()))
+ eh.on_error("number is too big");
+ value = static_cast<T>(big_value);
+}
+
+struct auto_id {};
+
+// The standard format specifier handler with checking.
+template <typename Context>
+class specs_handler: public specs_setter<typename Context::char_type> {
+ public:
+ typedef typename Context::char_type char_type;
+
+ FMT_CONSTEXPR specs_handler(
+ basic_format_specs<char_type> &specs, Context &ctx)
+ : specs_setter<char_type>(specs), context_(ctx) {}
+
+ template <typename Id>
+ FMT_CONSTEXPR void on_dynamic_width(Id arg_id) {
+ set_dynamic_spec<width_checker>(
+ this->specs_.width_, get_arg(arg_id), context_.error_handler());
+ }
+
+ template <typename Id>
+ FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) {
+ set_dynamic_spec<precision_checker>(
+ this->specs_.precision, get_arg(arg_id), context_.error_handler());
+ }
+
+ void on_error(const char *message) {
+ context_.on_error(message);
+ }
+
+ private:
+ FMT_CONSTEXPR basic_format_arg<Context> get_arg(auto_id) {
+ return context_.next_arg();
+ }
+
+ template <typename Id>
+ FMT_CONSTEXPR basic_format_arg<Context> get_arg(Id arg_id) {
+ context_.parse_context().check_arg_id(arg_id);
+ return context_.get_arg(arg_id);
+ }
+
+ Context &context_;
+};
+
+// An argument reference.
+template <typename Char>
+struct arg_ref {
+ enum Kind { NONE, INDEX, NAME };
+
+ FMT_CONSTEXPR arg_ref() : kind(NONE), index(0) {}
+ FMT_CONSTEXPR explicit arg_ref(unsigned index) : kind(INDEX), index(index) {}
+ explicit arg_ref(basic_string_view<Char> nm) : kind(NAME) {
+ name = {nm.data(), nm.size()};
+ }
+
+ FMT_CONSTEXPR arg_ref &operator=(unsigned idx) {
+ kind = INDEX;
+ index = idx;
+ return *this;
+ }
+
+ Kind kind;
+ union {
+ unsigned index;
+ string_value<Char> name; // This is not string_view because of gcc 4.4.
+ };
+};
+
+// Format specifiers with width and precision resolved at formatting rather
+// than parsing time to allow re-using the same parsed specifiers with
+// differents sets of arguments (precompilation of format strings).
+template <typename Char>
+struct dynamic_format_specs : basic_format_specs<Char> {
+ arg_ref<Char> width_ref;
+ arg_ref<Char> precision_ref;
+};
+
+// Format spec handler that saves references to arguments representing dynamic
+// width and precision to be resolved at formatting time.
+template <typename ParseContext>
+class dynamic_specs_handler :
+ public specs_setter<typename ParseContext::char_type> {
+ public:
+ typedef typename ParseContext::char_type char_type;
+
+ FMT_CONSTEXPR dynamic_specs_handler(
+ dynamic_format_specs<char_type> &specs, ParseContext &ctx)
+ : specs_setter<char_type>(specs), specs_(specs), context_(ctx) {}
+
+ FMT_CONSTEXPR dynamic_specs_handler(const dynamic_specs_handler &other)
+ : specs_setter<char_type>(other),
+ specs_(other.specs_), context_(other.context_) {}
+
+ template <typename Id>
+ FMT_CONSTEXPR void on_dynamic_width(Id arg_id) {
+ specs_.width_ref = make_arg_ref(arg_id);
+ }
+
+ template <typename Id>
+ FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) {
+ specs_.precision_ref = make_arg_ref(arg_id);
+ }
+
+ FMT_CONSTEXPR void on_error(const char *message) {
+ context_.on_error(message);
+ }
+
+ private:
+ typedef arg_ref<char_type> arg_ref_type;
+
+ 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(auto_id) {
+ return arg_ref_type(context_.next_arg_id());
+ }
+
+ dynamic_format_specs<char_type> &specs_;
+ ParseContext &context_;
+};
+
+template <typename Char, typename IDHandler>
+FMT_CONSTEXPR const Char *parse_arg_id(
+ const Char *begin, const Char *end, IDHandler &&handler) {
+ assert(begin != end);
+ Char c = *begin;
+ if (c == '}' || c == ':')
+ return handler(), begin;
+ if (c >= '0' && c <= '9') {
+ unsigned index = parse_nonnegative_int(begin, end, handler);
+ if (begin == end || (*begin != '}' && *begin != ':'))
+ return handler.on_error("invalid format string"), begin;
+ handler(index);
+ return begin;
+ }
+ if (!is_name_start(c))
+ return handler.on_error("invalid format string"), begin;
+ auto it = begin;
+ do {
+ ++it;
+ } while (it != end && (is_name_start(c = *it) || ('0' <= c && c <= '9')));
+ handler(basic_string_view<Char>(begin, to_unsigned(it - begin)));
+ return it;
+}
+
+// Adapts SpecHandler to IDHandler API for dynamic width.
+template <typename SpecHandler, typename Char>
+struct width_adapter {
+ explicit FMT_CONSTEXPR width_adapter(SpecHandler &h) : handler(h) {}
+
+ FMT_CONSTEXPR void operator()() { handler.on_dynamic_width(auto_id()); }
+ FMT_CONSTEXPR void operator()(unsigned id) { handler.on_dynamic_width(id); }
+ FMT_CONSTEXPR void operator()(basic_string_view<Char> id) {
+ handler.on_dynamic_width(id);
+ }
+
+ FMT_CONSTEXPR void on_error(const char *message) {
+ handler.on_error(message);
+ }
+
+ SpecHandler &handler;
+};
+
+// Adapts SpecHandler to IDHandler API for dynamic precision.
+template <typename SpecHandler, typename Char>
+struct precision_adapter {
+ explicit FMT_CONSTEXPR precision_adapter(SpecHandler &h) : handler(h) {}
+
+ FMT_CONSTEXPR void operator()() { handler.on_dynamic_precision(auto_id()); }
+ FMT_CONSTEXPR void operator()(unsigned id) {
+ handler.on_dynamic_precision(id);
+ }
+ FMT_CONSTEXPR void operator()(basic_string_view<Char> id) {
+ handler.on_dynamic_precision(id);
+ }
+
+ FMT_CONSTEXPR void on_error(const char *message) { handler.on_error(message); }
+
+ SpecHandler &handler;
+};
+
+// Parses fill and alignment.
+template <typename Char, typename Handler>
+FMT_CONSTEXPR const Char *parse_align(
+ const Char *begin, const Char *end, Handler &&handler) {
+ FMT_ASSERT(begin != end, "");
+ alignment align = ALIGN_DEFAULT;
+ int i = 0;
+ if (begin + 1 != end) ++i;
+ do {
+ switch (static_cast<char>(begin[i])) {
+ case '<':
+ align = ALIGN_LEFT;
+ break;
+ case '>':
+ align = ALIGN_RIGHT;
+ break;
+ case '=':
+ align = ALIGN_NUMERIC;
+ break;
+ case '^':
+ align = ALIGN_CENTER;
+ break;
+ }
+ if (align != ALIGN_DEFAULT) {
+ if (i > 0) {
+ auto c = *begin;
+ if (c == '{')
+ return handler.on_error("invalid fill character '{'"), begin;
+ begin += 2;
+ handler.on_fill(c);
+ } else ++begin;
+ handler.on_align(align);
+ break;
+ }
+ } while (i-- > 0);
+ return begin;
+}
+
+template <typename Char, typename Handler>
+FMT_CONSTEXPR const Char *parse_width(
+ const Char *begin, const Char *end, Handler &&handler) {
+ FMT_ASSERT(begin != end, "");
+ if ('0' <= *begin && *begin <= '9') {
+ handler.on_width(parse_nonnegative_int(begin, end, handler));
+ } else if (*begin == '{') {
+ ++begin;
+ if (begin != end)
+ begin = parse_arg_id(begin, end, width_adapter<Handler, Char>(handler));
+ if (begin == end || *begin != '}')
+ return handler.on_error("invalid format string"), begin;
+ ++begin;
+ }
+ return begin;
+}
+
+// Parses standard format specifiers and sends notifications about parsed
+// components to handler.
+template <typename Char, typename SpecHandler>
+FMT_CONSTEXPR const Char *parse_format_specs(
+ const Char *begin, const Char *end, SpecHandler &&handler) {
+ if (begin == end || *begin == '}')
+ return begin;
+
+ begin = parse_align(begin, end, handler);
+ if (begin == end) return begin;
+
+ // Parse sign.
+ switch (static_cast<char>(*begin)) {
+ case '+':
+ handler.on_plus();
+ ++begin;
+ break;
+ case '-':
+ handler.on_minus();
+ ++begin;
+ break;
+ case ' ':
+ handler.on_space();
+ ++begin;
+ break;
+ }
+ if (begin == end) return begin;
+
+ if (*begin == '#') {
+ handler.on_hash();
+ if (++begin == end) return begin;
+ }
+
+ // Parse zero flag.
+ if (*begin == '0') {
+ handler.on_zero();
+ if (++begin == end) return begin;
+ }
+
+ begin = parse_width(begin, end, handler);
+ if (begin == end) return begin;
+
+ // Parse precision.
+ if (*begin == '.') {
+ ++begin;
+ auto c = begin != end ? *begin : 0;
+ if ('0' <= c && c <= '9') {
+ handler.on_precision(parse_nonnegative_int(begin, end, handler));
+ } else if (c == '{') {
+ ++begin;
+ if (begin != end) {
+ begin = parse_arg_id(
+ begin, end, precision_adapter<SpecHandler, Char>(handler));
+ }
+ if (begin == end || *begin++ != '}')
+ return handler.on_error("invalid format string"), begin;
+ } else {
+ return handler.on_error("missing precision specifier"), begin;
+ }
+ handler.end_precision();
+ }
+
+ // Parse type.
+ if (begin != end && *begin != '}')
+ handler.on_type(*begin++);
+ return begin;
+}
+
+// Return the result via the out param to workaround gcc bug 77539.
+template <bool IS_CONSTEXPR, typename T, typename Ptr = const T*>
+FMT_CONSTEXPR bool find(Ptr first, Ptr last, T value, Ptr &out) {
+ for (out = first; out != last; ++out) {
+ if (*out == value)
+ return true;
+ }
+ return false;
+}
+
+template <>
+inline bool find<false, char>(
+ const char *first, const char *last, char value, const char *&out) {
+ out = static_cast<const char*>(std::memchr(first, value, internal::to_unsigned(last - first)));
+ return out != FMT_NULL;
+}
+
+template <typename Handler, typename Char>
+struct id_adapter {
+ FMT_CONSTEXPR void operator()() { handler.on_arg_id(); }
+ FMT_CONSTEXPR void operator()(unsigned id) { handler.on_arg_id(id); }
+ FMT_CONSTEXPR void operator()(basic_string_view<Char> id) {
+ handler.on_arg_id(id);
+ }
+ FMT_CONSTEXPR void on_error(const char *message) {
+ handler.on_error(message);
+ }
+ Handler &handler;
+};
+
+template <bool IS_CONSTEXPR, typename Char, typename Handler>
+FMT_CONSTEXPR void parse_format_string(
+ basic_string_view<Char> format_str, Handler &&handler) {
+ struct writer {
+ FMT_CONSTEXPR void operator()(const Char *begin, const Char *end) {
+ if (begin == end) return;
+ for (;;) {
+ const Char *p = FMT_NULL;
+ if (!find<IS_CONSTEXPR>(begin, end, '}', p))
+ return handler_.on_text(begin, end);
+ ++p;
+ if (p == end || *p != '}')
+ return handler_.on_error("unmatched '}' in format string");
+ handler_.on_text(begin, p);
+ begin = p + 1;
+ }
+ }
+ Handler &handler_;
+ } write{handler};
+ auto begin = format_str.data();
+ auto end = begin + format_str.size();
+ while (begin != end) {
+ // Doing two passes with memchr (one for '{' and another for '}') is up to
+ // 2.5x faster than the naive one-pass implementation on big format strings.
+ const Char *p = begin;
+ if (*begin != '{' && !find<IS_CONSTEXPR>(begin, end, '{', p))
+ return write(begin, end);
+ write(begin, p);
+ ++p;
+ if (p == end)
+ return handler.on_error("invalid format string");
+ if (static_cast<char>(*p) == '}') {
+ handler.on_arg_id();
+ handler.on_replacement_field(p);
+ } else if (*p == '{') {
+ handler.on_text(p, p + 1);
+ } else {
+ p = parse_arg_id(p, end, id_adapter<Handler, Char>{handler});
+ Char c = p != end ? *p : Char();
+ if (c == '}') {
+ handler.on_replacement_field(p);
+ } else if (c == ':') {
+ p = handler.on_format_specs(p + 1, end);
+ if (p == end || *p != '}')
+ return handler.on_error("unknown format specifier");
+ } else {
+ return handler.on_error("missing '}' in format string");
+ }
+ }
+ begin = p + 1;
+ }
+}
+
+template <typename T, typename ParseContext>
+FMT_CONSTEXPR const typename ParseContext::char_type *
+ parse_format_specs(ParseContext &ctx) {
+ // GCC 7.2 requires initializer.
+ formatter<T, typename ParseContext::char_type> f{};
+ return f.parse(ctx);
+}
+
+template <typename Char, typename ErrorHandler, typename... Args>
+class format_string_checker {
+ public:
+ explicit FMT_CONSTEXPR format_string_checker(
+ basic_string_view<Char> format_str, ErrorHandler eh)
+ : arg_id_((std::numeric_limits<unsigned>::max)()), context_(format_str, eh),
+ parse_funcs_{&parse_format_specs<Args, parse_context_type>...} {}
+
+ FMT_CONSTEXPR void on_text(const Char *, const Char *) {}
+
+ FMT_CONSTEXPR void on_arg_id() {
+ arg_id_ = context_.next_arg_id();
+ check_arg_id();
+ }
+ FMT_CONSTEXPR void on_arg_id(unsigned id) {
+ arg_id_ = id;
+ context_.check_arg_id(id);
+ check_arg_id();
+ }
+ FMT_CONSTEXPR void on_arg_id(basic_string_view<Char>) {}
+
+ FMT_CONSTEXPR void on_replacement_field(const Char *) {}
+
+ FMT_CONSTEXPR const Char *on_format_specs(const Char *begin, const Char *) {
+ context_.advance_to(begin);
+ return arg_id_ < NUM_ARGS ?
+ parse_funcs_[arg_id_](context_) : begin;
+ }
+
+ FMT_CONSTEXPR void on_error(const char *message) {
+ context_.on_error(message);
+ }
+
+ private:
+ typedef basic_parse_context<Char, ErrorHandler> parse_context_type;
+ enum { NUM_ARGS = sizeof...(Args) };
+
+ FMT_CONSTEXPR void check_arg_id() {
+ if (arg_id_ >= NUM_ARGS)
+ context_.on_error("argument index out of range");
+ }
+
+ // Format specifier parsing function.
+ typedef const Char *(*parse_func)(parse_context_type &);
+
+ unsigned arg_id_;
+ parse_context_type context_;
+ parse_func parse_funcs_[NUM_ARGS > 0 ? NUM_ARGS : 1];
+};
+
+template <typename Char, typename ErrorHandler, typename... Args>
+FMT_CONSTEXPR bool do_check_format_string(
+ basic_string_view<Char> s, ErrorHandler eh = ErrorHandler()) {
+ format_string_checker<Char, ErrorHandler, Args...> checker(s, eh);
+ parse_format_string<true>(s, checker);
+ return true;
+}
+
+template <typename... Args, typename S>
+typename std::enable_if<is_compile_string<S>::value>::type
+ check_format_string(S format_str) {
+ typedef typename S::char_type char_t;
+ FMT_CONSTEXPR_DECL bool invalid_format = internal::do_check_format_string<
+ char_t, internal::error_handler, Args...>(to_string_view(format_str));
+ (void)invalid_format;
+}
+
+// Specifies whether to format T using the standard formatter.
+// It is not possible to use get_type in formatter specialization directly
+// because of a bug in MSVC.
+template <typename Context, typename T>
+struct format_type :
+ std::integral_constant<bool, get_type<Context, T>::value != custom_type> {};
+
+template <template <typename> class Handler, typename Spec, typename Context>
+void handle_dynamic_spec(
+ Spec &value, arg_ref<typename Context::char_type> ref, Context &ctx) {
+ typedef typename Context::char_type char_type;
+ switch (ref.kind) {
+ case arg_ref<char_type>::NONE:
+ break;
+ case arg_ref<char_type>::INDEX:
+ internal::set_dynamic_spec<Handler>(
+ value, ctx.get_arg(ref.index), ctx.error_handler());
+ break;
+ case arg_ref<char_type>::NAME:
+ internal::set_dynamic_spec<Handler>(
+ value, ctx.get_arg({ref.name.value, ref.name.size}),
+ ctx.error_handler());
+ break;
+ }
+}
+} // namespace internal
+
+/** The default argument formatter. */
+template <typename Range>
+class arg_formatter:
+ public internal::function<
+ typename internal::arg_formatter_base<Range>::iterator>,
+ public internal::arg_formatter_base<Range> {
+ private:
+ typedef typename Range::value_type char_type;
+ typedef internal::arg_formatter_base<Range> base;
+ typedef basic_format_context<typename base::iterator, char_type> context_type;
+
+ context_type &ctx_;
+
+ public:
+ typedef Range range;
+ typedef typename base::iterator iterator;
+ typedef typename base::format_specs format_specs;
+
+ /**
+ \rst
+ Constructs an argument formatter object.
+ *ctx* is a reference to the formatting context,
+ *spec* contains format specifier information for standard argument types.
+ \endrst
+ */
+ explicit arg_formatter(context_type &ctx, format_specs *spec = FMT_NULL)
+ : base(Range(ctx.out()), spec, ctx.locale()), ctx_(ctx) {}
+
+ // Deprecated.
+ arg_formatter(context_type &ctx, format_specs &spec)
+ : base(Range(ctx.out()), &spec), ctx_(ctx) {}
+
+ using base::operator();
+
+ /** Formats an argument of a user-defined type. */
+ iterator operator()(typename basic_format_arg<context_type>::handle handle) {
+ handle.format(ctx_);
+ return this->out();
+ }
+};
+
+/**
+ An error returned by an operating system or a language runtime,
+ for example a file opening error.
+*/
+class system_error : public std::runtime_error {
+ private:
+ FMT_API void init(int err_code, string_view format_str, format_args args);
+
+ protected:
+ int error_code_;
+
+ system_error() : std::runtime_error("") {}
+
+ public:
+ /**
+ \rst
+ Constructs a :class:`fmt::system_error` object with a description
+ formatted with `fmt::format_system_error`. *message* and additional
+ arguments passed into the constructor are formatted similarly to
+ `fmt::format`.
+
+ **Example**::
+
+ // This throws a system_error with the description
+ // cannot open file 'madeup': No such file or directory
+ // or similar (system message may vary).
+ const char *filename = "madeup";
+ std::FILE *file = std::fopen(filename, "r");
+ if (!file)
+ throw fmt::system_error(errno, "cannot open file '{}'", filename);
+ \endrst
+ */
+ template <typename... Args>
+ system_error(int error_code, string_view message, const Args &... args)
+ : std::runtime_error("") {
+ init(error_code, message, make_format_args(args...));
+ }
+
+ int error_code() const { return error_code_; }
+};
+
+/**
+ \rst
+ Formats an error returned by an operating system or a language runtime,
+ for example a file opening error, and writes it to *out* in the following
+ form:
+
+ .. parsed-literal::
+ *<message>*: *<system-message>*
+
+ where *<message>* is the passed message and *<system-message>* is
+ the system message corresponding to the error code.
+ *error_code* is a system error code as given by ``errno``.
+ If *error_code* is not a valid error code such as -1, the system message
+ may look like "Unknown error -1" and is platform-dependent.
+ \endrst
+ */
+FMT_API void format_system_error(internal::buffer &out, int error_code,
+ fmt::string_view message) FMT_NOEXCEPT;
+
+/**
+ This template provides operations for formatting and writing data into a
+ character range.
+ */
+template <typename Range>
+class basic_writer {
+ public:
+ typedef typename Range::value_type char_type;
+ typedef decltype(internal::declval<Range>().begin()) iterator;
+ typedef basic_format_specs<char_type> format_specs;
+
+ private:
+ iterator out_; // Output iterator.
+ internal::locale_ref locale_;
+
+ // Attempts to reserve space for n extra characters in the output range.
+ // Returns a pointer to the reserved range or a reference to out_.
+ auto reserve(std::size_t n) -> decltype(internal::reserve(out_, n)) {
+ return internal::reserve(out_, n);
+ }
+
+ // Writes a value in the format
+ // <left-padding><value><right-padding>
+ // where <value> is written by f(it).
+ template <typename F>
+ void write_padded(const align_spec &spec, F &&f) {
+ unsigned width = spec.width(); // User-perceived width (in code points).
+ size_t size = f.size(); // The number of code units.
+ size_t num_code_points = width != 0 ? f.width() : size;
+ if (width <= num_code_points)
+ return f(reserve(size));
+ auto &&it = reserve(width + (size - num_code_points));
+ char_type fill = static_cast<char_type>(spec.fill());
+ std::size_t padding = width - num_code_points;
+ if (spec.align() == ALIGN_RIGHT) {
+ it = std::fill_n(it, padding, fill);
+ f(it);
+ } else if (spec.align() == ALIGN_CENTER) {
+ std::size_t left_padding = padding / 2;
+ it = std::fill_n(it, left_padding, fill);
+ f(it);
+ it = std::fill_n(it, padding - left_padding, fill);
+ } else {
+ f(it);
+ it = std::fill_n(it, padding, fill);
+ }
+ }
+
+ template <typename F>
+ struct padded_int_writer {
+ size_t size_;
+ string_view prefix;
+ char_type fill;
+ std::size_t padding;
+ F f;
+
+ size_t size() const { return size_; }
+ size_t width() const { return size_; }
+
+ template <typename It>
+ void operator()(It &&it) const {
+ if (prefix.size() != 0)
+ it = internal::copy_str<char_type>(prefix.begin(), prefix.end(), it);
+ it = std::fill_n(it, padding, fill);
+ f(it);
+ }
+ };
+
+ // Writes an integer in the format
+ // <left-padding><prefix><numeric-padding><digits><right-padding>
+ // where <digits> are written by f(it).
+ template <typename Spec, typename F>
+ void write_int(int num_digits, string_view prefix,
+ const Spec &spec, F f) {
+ std::size_t size = prefix.size() + internal::to_unsigned(num_digits);
+ char_type fill = static_cast<char_type>(spec.fill());
+ std::size_t padding = 0;
+ if (spec.align() == ALIGN_NUMERIC) {
+ if (spec.width() > size) {
+ padding = spec.width() - size;
+ size = spec.width();
+ }
+ } else if (spec.precision > num_digits) {
+ size = prefix.size() + internal::to_unsigned(spec.precision);
+ padding = internal::to_unsigned(spec.precision - num_digits);
+ fill = static_cast<char_type>('0');
+ }
+ align_spec as = spec;
+ if (spec.align() == ALIGN_DEFAULT)
+ as.align_ = ALIGN_RIGHT;
+ write_padded(as, padded_int_writer<F>{size, prefix, fill, padding, f});
+ }
+
+ // Writes a decimal integer.
+ template <typename Int>
+ void write_decimal(Int value) {
+ typedef typename internal::int_traits<Int>::main_type main_type;
+ main_type abs_value = static_cast<main_type>(value);
+ bool is_negative = internal::is_negative(value);
+ if (is_negative)
+ abs_value = 0 - abs_value;
+ int num_digits = internal::count_digits(abs_value);
+ auto &&it = reserve((is_negative ? 1 : 0) + static_cast<size_t>(num_digits));
+ if (is_negative)
+ *it++ = static_cast<char_type>('-');
+ it = internal::format_decimal<char_type>(it, abs_value, num_digits);
+ }
+
+ // The handle_int_type_spec handler that writes an integer.
+ template <typename Int, typename Spec>
+ struct int_writer {
+ typedef typename internal::int_traits<Int>::main_type unsigned_type;
+
+ basic_writer<Range> &writer;
+ const Spec &spec;
+ unsigned_type abs_value;
+ char prefix[4];
+ unsigned prefix_size;
+
+ string_view get_prefix() const { return string_view(prefix, prefix_size); }
+
+ // Counts the number of digits in abs_value. BITS = log2(radix).
+ template <unsigned BITS>
+ int count_digits() const {
+ unsigned_type n = abs_value;
+ int num_digits = 0;
+ do {
+ ++num_digits;
+ } while ((n >>= BITS) != 0);
+ return num_digits;
+ }
+
+ int_writer(basic_writer<Range> &w, Int value, const Spec &s)
+ : writer(w), spec(s), abs_value(static_cast<unsigned_type>(value)),
+ prefix_size(0) {
+ if (internal::is_negative(value)) {
+ prefix[0] = '-';
+ ++prefix_size;
+ abs_value = 0 - abs_value;
+ } else if (spec.has(SIGN_FLAG)) {
+ prefix[0] = spec.has(PLUS_FLAG) ? '+' : ' ';
+ ++prefix_size;
+ }
+ }
+
+ struct dec_writer {
+ unsigned_type abs_value;
+ int num_digits;
+
+ template <typename It>
+ void operator()(It &&it) const {
+ it = internal::format_decimal<char_type>(it, abs_value, num_digits);
+ }
+ };
+
+ void on_dec() {
+ int num_digits = internal::count_digits(abs_value);
+ writer.write_int(num_digits, get_prefix(), spec,
+ dec_writer{abs_value, num_digits});
+ }
+
+ struct hex_writer {
+ int_writer &self;
+ int num_digits;
+
+ template <typename It>
+ void operator()(It &&it) const {
+ it = internal::format_uint<4, char_type>(
+ it, self.abs_value, num_digits, self.spec.type != 'x');
+ }
+ };
+
+ void on_hex() {
+ if (spec.has(HASH_FLAG)) {
+ prefix[prefix_size++] = '0';
+ prefix[prefix_size++] = static_cast<char>(spec.type);
+ }
+ int num_digits = count_digits<4>();
+ writer.write_int(num_digits, get_prefix(), spec,
+ hex_writer{*this, num_digits});
+ }
+
+ template <int BITS>
+ struct bin_writer {
+ unsigned_type abs_value;
+ int num_digits;
+
+ template <typename It>
+ void operator()(It &&it) const {
+ it = internal::format_uint<BITS, char_type>(it, abs_value, num_digits);
+ }
+ };
+
+ void on_bin() {
+ if (spec.has(HASH_FLAG)) {
+ prefix[prefix_size++] = '0';
+ prefix[prefix_size++] = static_cast<char>(spec.type);
+ }
+ int num_digits = count_digits<1>();
+ writer.write_int(num_digits, get_prefix(), spec,
+ bin_writer<1>{abs_value, num_digits});
+ }
+
+ void on_oct() {
+ int num_digits = count_digits<3>();
+ if (spec.has(HASH_FLAG) &&
+ spec.precision <= num_digits) {
+ // Octal prefix '0' is counted as a digit, so only add it if precision
+ // is not greater than the number of digits.
+ prefix[prefix_size++] = '0';
+ }
+ writer.write_int(num_digits, get_prefix(), spec,
+ bin_writer<3>{abs_value, num_digits});
+ }
+
+ enum { SEP_SIZE = 1 };
+
+ struct num_writer {
+ unsigned_type abs_value;
+ int size;
+ char_type sep;
+
+ template <typename It>
+ void operator()(It &&it) const {
+ basic_string_view<char_type> s(&sep, SEP_SIZE);
+ it = internal::format_decimal<char_type>(
+ it, abs_value, size, internal::add_thousands_sep<char_type>(s));
+ }
+ };
+
+ void on_num() {
+ int num_digits = internal::count_digits(abs_value);
+ char_type sep = internal::thousands_sep<char_type>(writer.locale_);
+ int size = num_digits + SEP_SIZE * ((num_digits - 1) / 3);
+ writer.write_int(size, get_prefix(), spec,
+ num_writer{abs_value, size, sep});
+ }
+
+ void on_error() {
+ FMT_THROW(format_error("invalid type specifier"));
+ }
+ };
+
+ // Writes a formatted integer.
+ template <typename T, typename Spec>
+ void write_int(T value, const Spec &spec) {
+ internal::handle_int_type_spec(spec.type,
+ int_writer<T, Spec>(*this, value, spec));
+ }
+
+ enum {INF_SIZE = 3}; // This is an enum to workaround a bug in MSVC.
+
+ struct inf_or_nan_writer {
+ char sign;
+ const char *str;
+
+ size_t size() const {
+ return static_cast<std::size_t>(INF_SIZE + (sign ? 1 : 0));
+ }
+ size_t width() const { return size(); }
+
+ template <typename It>
+ void operator()(It &&it) const {
+ if (sign)
+ *it++ = static_cast<char_type>(sign);
+ it = internal::copy_str<char_type>(
+ str, str + static_cast<std::size_t>(INF_SIZE), it);
+ }
+ };
+
+ struct double_writer {
+ size_t n;
+ char sign;
+ internal::buffer &buffer;
+
+ size_t size() const { return buffer.size() + (sign ? 1 : 0); }
+ size_t width() const { return size(); }
+
+ template <typename It>
+ void operator()(It &&it) {
+ if (sign) {
+ *it++ = static_cast<char_type>(sign);
+ --n;
+ }
+ it = internal::copy_str<char_type>(buffer.begin(), buffer.end(), it);
+ }
+ };
+
+ // Formats a floating-point number (double or long double).
+ template <typename T>
+ void write_double(T value, const format_specs &spec);
+
+ template <typename Char>
+ struct str_writer {
+ const Char *s;
+ size_t size_;
+
+ size_t size() const { return size_; }
+ size_t width() const {
+ return internal::count_code_points(basic_string_view<Char>(s, size_));
+ }
+
+ template <typename It>
+ void operator()(It &&it) const {
+ it = internal::copy_str<char_type>(s, s + size_, it);
+ }
+ };
+
+ template <typename Char>
+ friend class internal::arg_formatter_base;
+
+ public:
+ /** Constructs a ``basic_writer`` object. */
+ explicit basic_writer(
+ Range out, internal::locale_ref loc = internal::locale_ref())
+ : out_(out.begin()), locale_(loc) {}
+
+ iterator out() const { return out_; }
+
+ void write(int value) { write_decimal(value); }
+ void write(long value) { write_decimal(value); }
+ void write(long long value) { write_decimal(value); }
+
+ void write(unsigned value) { write_decimal(value); }
+ void write(unsigned long value) { write_decimal(value); }
+ void write(unsigned long long value) { write_decimal(value); }
+
+ /**
+ \rst
+ Formats *value* and writes it to the buffer.
+ \endrst
+ */
+ template <typename T, typename FormatSpec, typename... FormatSpecs>
+ typename std::enable_if<std::is_integral<T>::value, void>::type
+ write(T value, FormatSpec spec, FormatSpecs... specs) {
+ format_specs s(spec, specs...);
+ s.align_ = ALIGN_RIGHT;
+ write_int(value, s);
+ }
+
+ void write(double value) {
+ write_double(value, format_specs());
+ }
+
+ /**
+ \rst
+ Formats *value* using the general format for floating-point numbers
+ (``'g'``) and writes it to the buffer.
+ \endrst
+ */
+ void write(long double value) {
+ write_double(value, format_specs());
+ }
+
+ /** Writes a character to the buffer. */
+ void write(char value) {
+ *reserve(1) = value;
+ }
+ void write(wchar_t value) {
+ static_assert(std::is_same<char_type, wchar_t>::value, "");
+ *reserve(1) = value;
+ }
+
+ /**
+ \rst
+ Writes *value* to the buffer.
+ \endrst
+ */
+ void write(string_view value) {
+ auto &&it = reserve(value.size());
+ it = internal::copy_str<char_type>(value.begin(), value.end(), it);
+ }
+ void write(wstring_view value) {
+ static_assert(std::is_same<char_type, wchar_t>::value, "");
+ auto &&it = reserve(value.size());
+ it = std::copy(value.begin(), value.end(), it);
+ }
+
+ // Writes a formatted string.
+ template <typename Char>
+ void write(const Char *s, std::size_t size, const align_spec &spec) {
+ write_padded(spec, str_writer<Char>{s, size});
+ }
+
+ template <typename Char>
+ void write(basic_string_view<Char> s,
+ const format_specs &spec = format_specs()) {
+ const Char *data = s.data();
+ std::size_t size = s.size();
+ if (spec.precision >= 0 && internal::to_unsigned(spec.precision) < size)
+ size = internal::to_unsigned(spec.precision);
+ write(data, size, spec);
+ }
+
+ template <typename T>
+ typename std::enable_if<std::is_same<T, void>::value>::type
+ write(const T *p) {
+ format_specs specs;
+ specs.flags = HASH_FLAG;
+ specs.type = 'x';
+ write_int(reinterpret_cast<uintptr_t>(p), specs);
+ }
+};
+
+struct float_spec_handler {
+ char type;
+ bool upper;
+
+ explicit float_spec_handler(char t) : type(t), upper(false) {}
+
+ void on_general() {
+ if (type == 'G')
+ upper = true;
+ else
+ type = 'g';
+ }
+
+ void on_exp() {
+ if (type == 'E')
+ upper = true;
+ }
+
+ void on_fixed() {
+ if (type == 'F') {
+ upper = true;
+#if FMT_MSC_VER
+ // MSVC's printf doesn't support 'F'.
+ type = 'f';
+#endif
+ }
+ }
+
+ void on_hex() {
+ if (type == 'A')
+ upper = true;
+ }
+
+ void on_error() {
+ FMT_THROW(format_error("invalid type specifier"));
+ }
+};
+
+template <typename Range>
+template <typename T>
+void basic_writer<Range>::write_double(T value, const format_specs &spec) {
+ // Check type.
+ float_spec_handler handler(static_cast<char>(spec.type));
+ internal::handle_float_type_spec(handler.type, handler);
+
+ char sign = 0;
+ // Use signbit instead of value < 0 because the latter is always
+ // false for NaN.
+ if (std::signbit(value)) {
+ sign = '-';
+ value = -value;
+ } else if (spec.has(SIGN_FLAG)) {
+ sign = spec.has(PLUS_FLAG) ? '+' : ' ';
+ }
+
+ struct write_inf_or_nan_t {
+ basic_writer &writer;
+ format_specs spec;
+ char sign;
+ void operator()(const char *str) const {
+ writer.write_padded(spec, inf_or_nan_writer{sign, str});
+ }
+ } write_inf_or_nan = {*this, spec, sign};
+
+ // Format NaN and ininity ourselves because sprintf's output is not consistent
+ // across platforms.
+ if (internal::fputil::isnotanumber(value))
+ return write_inf_or_nan(handler.upper ? "NAN" : "nan");
+ if (internal::fputil::isinfinity(value))
+ return write_inf_or_nan(handler.upper ? "INF" : "inf");
+
+ memory_buffer buffer;
+ bool use_grisu = FMT_USE_GRISU && sizeof(T) <= sizeof(double) &&
+ spec.type != 'a' && spec.type != 'A' &&
+ internal::grisu2_format(static_cast<double>(value), buffer, spec);
+ if (!use_grisu) {
+ format_specs normalized_spec(spec);
+ normalized_spec.type = handler.type;
+ internal::sprintf_format(value, buffer, normalized_spec);
+ }
+ size_t n = buffer.size();
+ align_spec as = spec;
+ if (spec.align() == ALIGN_NUMERIC) {
+ if (sign) {
+ auto &&it = reserve(1);
+ *it++ = static_cast<char_type>(sign);
+ sign = 0;
+ if (as.width_)
+ --as.width_;
+ }
+ as.align_ = ALIGN_RIGHT;
+ } else {
+ if (spec.align() == ALIGN_DEFAULT)
+ as.align_ = ALIGN_RIGHT;
+ if (sign)
+ ++n;
+ }
+ write_padded(as, double_writer{n, sign, buffer});
+}
+
+// Reports a system error without throwing an exception.
+// Can be used to report errors from destructors.
+FMT_API void report_system_error(int error_code,
+ string_view message) FMT_NOEXCEPT;
+
+#if FMT_USE_WINDOWS_H
+
+/** A Windows error. */
+class windows_error : public system_error {
+ private:
+ FMT_API void init(int error_code, string_view format_str, format_args args);
+
+ public:
+ /**
+ \rst
+ Constructs a :class:`fmt::windows_error` object with the description
+ of the form
+
+ .. parsed-literal::
+ *<message>*: *<system-message>*
+
+ where *<message>* is the formatted message and *<system-message>* is the
+ system message corresponding to the error code.
+ *error_code* is a Windows error code as given by ``GetLastError``.
+ If *error_code* is not a valid error code such as -1, the system message
+ will look like "error -1".
+
+ **Example**::
+
+ // This throws a windows_error with the description
+ // cannot open file 'madeup': The system cannot find the file specified.
+ // or similar (system message may vary).
+ const char *filename = "madeup";
+ LPOFSTRUCT of = LPOFSTRUCT();
+ HFILE file = OpenFile(filename, &of, OF_READ);
+ if (file == HFILE_ERROR) {
+ throw fmt::windows_error(GetLastError(),
+ "cannot open file '{}'", filename);
+ }
+ \endrst
+ */
+ template <typename... Args>
+ windows_error(int error_code, string_view message, const Args &... args) {
+ init(error_code, message, make_format_args(args...));
+ }
+};
+
+// Reports a Windows error without throwing an exception.
+// Can be used to report errors from destructors.
+FMT_API void report_windows_error(int error_code,
+ string_view message) FMT_NOEXCEPT;
+
+#endif
+
+/** Fast integer formatter. */
+class format_int {
+ private:
+ // Buffer should be large enough to hold all digits (digits10 + 1),
+ // a sign and a null character.
+ enum {BUFFER_SIZE = std::numeric_limits<unsigned long long>::digits10 + 3};
+ mutable char buffer_[BUFFER_SIZE];
+ char *str_;
+
+ // Formats value in reverse and returns a pointer to the beginning.
+ char *format_decimal(unsigned long long value) {
+ char *ptr = buffer_ + (BUFFER_SIZE - 1); // Parens to workaround MSVC bug.
+ while (value >= 100) {
+ // Integer division is slow so do it for a group of two digits instead
+ // of for every digit. The idea comes from the talk by Alexandrescu
+ // "Three Optimization Tips for C++". See speed-test for a comparison.
+ unsigned index = static_cast<unsigned>((value % 100) * 2);
+ value /= 100;
+ *--ptr = internal::data::DIGITS[index + 1];
+ *--ptr = internal::data::DIGITS[index];
+ }
+ if (value < 10) {
+ *--ptr = static_cast<char>('0' + value);
+ return ptr;
+ }
+ unsigned index = static_cast<unsigned>(value * 2);
+ *--ptr = internal::data::DIGITS[index + 1];
+ *--ptr = internal::data::DIGITS[index];
+ return ptr;
+ }
+
+ void format_signed(long long value) {
+ unsigned long long abs_value = static_cast<unsigned long long>(value);
+ bool negative = value < 0;
+ if (negative)
+ abs_value = 0 - abs_value;
+ str_ = format_decimal(abs_value);
+ if (negative)
+ *--str_ = '-';
+ }
+
+ public:
+ explicit format_int(int value) { format_signed(value); }
+ explicit format_int(long value) { format_signed(value); }
+ explicit format_int(long long value) { format_signed(value); }
+ explicit format_int(unsigned value) : str_(format_decimal(value)) {}
+ explicit format_int(unsigned long value) : str_(format_decimal(value)) {}
+ explicit format_int(unsigned long long value) : str_(format_decimal(value)) {}
+
+ /** Returns the number of characters written to the output buffer. */
+ std::size_t size() const {
+ return internal::to_unsigned(buffer_ - str_ + BUFFER_SIZE - 1);
+ }
+
+ /**
+ Returns a pointer to the output buffer content. No terminating null
+ character is appended.
+ */
+ const char *data() const { return str_; }
+
+ /**
+ Returns a pointer to the output buffer content with terminating null
+ character appended.
+ */
+ const char *c_str() const {
+ buffer_[BUFFER_SIZE - 1] = '\0';
+ return str_;
+ }
+
+ /**
+ \rst
+ Returns the content of the output buffer as an ``std::string``.
+ \endrst
+ */
+ std::string str() const { return std::string(str_, size()); }
+};
+
+// DEPRECATED!
+// Formats a decimal integer value writing into buffer and returns
+// a pointer to the end of the formatted string. This function doesn't
+// write a terminating null character.
+template <typename T>
+inline void format_decimal(char *&buffer, T value) {
+ typedef typename internal::int_traits<T>::main_type main_type;
+ main_type abs_value = static_cast<main_type>(value);
+ if (internal::is_negative(value)) {
+ *buffer++ = '-';
+ abs_value = 0 - abs_value;
+ }
+ if (abs_value < 100) {
+ if (abs_value < 10) {
+ *buffer++ = static_cast<char>('0' + abs_value);
+ return;
+ }
+ unsigned index = static_cast<unsigned>(abs_value * 2);
+ *buffer++ = internal::data::DIGITS[index];
+ *buffer++ = internal::data::DIGITS[index + 1];
+ return;
+ }
+ int num_digits = internal::count_digits(abs_value);
+ internal::format_decimal<char>(
+ internal::make_checked(buffer, internal::to_unsigned(num_digits)), abs_value, num_digits);
+ buffer += num_digits;
+}
+
+// Formatter of objects of type T.
+template <typename T, typename Char>
+struct formatter<
+ T, Char,
+ typename std::enable_if<internal::format_type<
+ typename buffer_context<Char>::type, T>::value>::type> {
+
+ // Parses format specifiers stopping either at the end of the range or at the
+ // terminating '}'.
+ template <typename ParseContext>
+ FMT_CONSTEXPR typename ParseContext::iterator parse(ParseContext &ctx) {
+ typedef internal::dynamic_specs_handler<ParseContext> handler_type;
+ auto type = internal::get_type<
+ typename buffer_context<Char>::type, T>::value;
+ internal::specs_checker<handler_type>
+ handler(handler_type(specs_, ctx), type);
+ auto it = parse_format_specs(ctx.begin(), ctx.end(), handler);
+ auto type_spec = specs_.type;
+ auto eh = ctx.error_handler();
+ switch (type) {
+ case internal::none_type:
+ case internal::named_arg_type:
+ FMT_ASSERT(false, "invalid argument type");
+ break;
+ case internal::int_type:
+ case internal::uint_type:
+ case internal::long_long_type:
+ case internal::ulong_long_type:
+ case internal::bool_type:
+ handle_int_type_spec(
+ type_spec, internal::int_type_checker<decltype(eh)>(eh));
+ break;
+ case internal::char_type:
+ handle_char_specs(
+ &specs_,
+ internal::char_specs_checker<decltype(eh)>(type_spec, eh));
+ break;
+ case internal::double_type:
+ case internal::long_double_type:
+ handle_float_type_spec(
+ type_spec, internal::float_type_checker<decltype(eh)>(eh));
+ break;
+ case internal::cstring_type:
+ internal::handle_cstring_type_spec(
+ type_spec, internal::cstring_type_checker<decltype(eh)>(eh));
+ break;
+ case internal::string_type:
+ internal::check_string_type_spec(type_spec, eh);
+ break;
+ case internal::pointer_type:
+ internal::check_pointer_type_spec(type_spec, eh);
+ break;
+ case internal::custom_type:
+ // Custom format specifiers should be checked in parse functions of
+ // formatter specializations.
+ break;
+ }
+ return it;
+ }
+
+ template <typename FormatContext>
+ auto format(const T &val, FormatContext &ctx) -> decltype(ctx.out()) {
+ internal::handle_dynamic_spec<internal::width_checker>(
+ specs_.width_, specs_.width_ref, ctx);
+ internal::handle_dynamic_spec<internal::precision_checker>(
+ specs_.precision, specs_.precision_ref, ctx);
+ typedef output_range<typename FormatContext::iterator,
+ typename FormatContext::char_type> range_type;
+ return visit_format_arg(arg_formatter<range_type>(ctx, &specs_),
+ internal::make_arg<FormatContext>(val));
+ }
+
+ private:
+ internal::dynamic_format_specs<Char> specs_;
+};
+
+// A formatter for types known only at run time such as variant alternatives.
+//
+// Usage:
+// typedef std::variant<int, std::string> variant;
+// template <>
+// struct formatter<variant>: dynamic_formatter<> {
+// void format(buffer &buf, const variant &v, context &ctx) {
+// visit([&](const auto &val) { format(buf, val, ctx); }, v);
+// }
+// };
+template <typename Char = char>
+class dynamic_formatter {
+ private:
+ struct null_handler: internal::error_handler {
+ void on_align(alignment) {}
+ void on_plus() {}
+ void on_minus() {}
+ void on_space() {}
+ void on_hash() {}
+ };
+
+ public:
+ template <typename ParseContext>
+ auto parse(ParseContext &ctx) -> decltype(ctx.begin()) {
+ // Checks are deferred to formatting time when the argument type is known.
+ internal::dynamic_specs_handler<ParseContext> handler(specs_, ctx);
+ return parse_format_specs(ctx.begin(), ctx.end(), handler);
+ }
+
+ template <typename T, typename FormatContext>
+ auto format(const T &val, FormatContext &ctx) -> decltype(ctx.out()) {
+ handle_specs(ctx);
+ internal::specs_checker<null_handler>
+ checker(null_handler(), internal::get_type<FormatContext, T>::value);
+ checker.on_align(specs_.align());
+ if (specs_.flags == 0); // Do nothing.
+ else if (specs_.has(SIGN_FLAG))
+ specs_.has(PLUS_FLAG) ? checker.on_plus() : checker.on_space();
+ else if (specs_.has(MINUS_FLAG))
+ checker.on_minus();
+ else if (specs_.has(HASH_FLAG))
+ checker.on_hash();
+ if (specs_.precision != -1)
+ checker.end_precision();
+ typedef output_range<typename FormatContext::iterator,
+ typename FormatContext::char_type> range;
+ visit_format_arg(arg_formatter<range>(ctx, &specs_),
+ internal::make_arg<FormatContext>(val));
+ return ctx.out();
+ }
+
+ private:
+ template <typename Context>
+ void handle_specs(Context &ctx) {
+ internal::handle_dynamic_spec<internal::width_checker>(
+ specs_.width_, specs_.width_ref, ctx);
+ internal::handle_dynamic_spec<internal::precision_checker>(
+ specs_.precision, specs_.precision_ref, ctx);
+ }
+
+ internal::dynamic_format_specs<Char> specs_;
+};
+
+template <typename Range, typename Char>
+typename basic_format_context<Range, Char>::format_arg
+ basic_format_context<Range, Char>::get_arg(
+ basic_string_view<char_type> name) {
+ map_.init(this->args());
+ format_arg arg = map_.find(name);
+ if (arg.type() == internal::none_type)
+ this->on_error("argument not found");
+ return arg;
+}
+
+template <typename ArgFormatter, typename Char, typename Context>
+struct format_handler : internal::error_handler {
+ typedef typename ArgFormatter::range range;
+
+ format_handler(range r, basic_string_view<Char> str,
+ basic_format_args<Context> format_args,
+ internal::locale_ref loc)
+ : context(r.begin(), str, format_args, loc) {}
+
+ void on_text(const Char *begin, const Char *end) {
+ auto size = internal::to_unsigned(end - begin);
+ auto out = context.out();
+ auto &&it = internal::reserve(out, size);
+ it = std::copy_n(begin, size, it);
+ context.advance_to(out);
+ }
+
+ void on_arg_id() { arg = context.next_arg(); }
+ void on_arg_id(unsigned id) {
+ context.parse_context().check_arg_id(id);
+ arg = context.get_arg(id);
+ }
+ void on_arg_id(basic_string_view<Char> id) {
+ arg = context.get_arg(id);
+ }
+
+ void on_replacement_field(const Char *p) {
+ context.parse_context().advance_to(p);
+ internal::custom_formatter<Char, Context> f(context);
+ if (!visit_format_arg(f, arg))
+ context.advance_to(visit_format_arg(ArgFormatter(context), arg));
+ }
+
+ const Char *on_format_specs(const Char *begin, const Char *end) {
+ auto &parse_ctx = context.parse_context();
+ parse_ctx.advance_to(begin);
+ internal::custom_formatter<Char, Context> f(context);
+ if (visit_format_arg(f, arg))
+ return parse_ctx.begin();
+ basic_format_specs<Char> specs;
+ using internal::specs_handler;
+ internal::specs_checker<specs_handler<Context>>
+ handler(specs_handler<Context>(specs, context), arg.type());
+ begin = parse_format_specs(begin, end, handler);
+ if (begin == end || *begin != '}')
+ on_error("missing '}' in format string");
+ parse_ctx.advance_to(begin);
+ context.advance_to(visit_format_arg(ArgFormatter(context, &specs), arg));
+ return begin;
+ }
+
+ Context context;
+ basic_format_arg<Context> arg;
+};
+
+/** Formats arguments and writes the output to the range. */
+template <typename ArgFormatter, typename Char, typename Context>
+typename Context::iterator vformat_to(
+ typename ArgFormatter::range out,
+ basic_string_view<Char> format_str,
+ basic_format_args<Context> args,
+ internal::locale_ref loc = internal::locale_ref()) {
+ format_handler<ArgFormatter, Char, Context> h(out, format_str, args, loc);
+ internal::parse_format_string<false>(format_str, h);
+ return h.context.out();
+}
+
+// Casts ``p`` to ``const void*`` for pointer formatting.
+// Example:
+// auto s = format("{}", ptr(p));
+template <typename T>
+inline const void *ptr(const T *p) { return p; }
+
+template <typename It, typename Char>
+struct arg_join {
+ It begin;
+ It end;
+ basic_string_view<Char> sep;
+
+ arg_join(It begin, It end, basic_string_view<Char> sep)
+ : begin(begin), end(end), sep(sep) {}
+};
+
+template <typename It, typename Char>
+struct formatter<arg_join<It, Char>, Char>:
+ formatter<typename std::iterator_traits<It>::value_type, Char> {
+ template <typename FormatContext>
+ auto format(const arg_join<It, Char> &value, FormatContext &ctx)
+ -> decltype(ctx.out()) {
+ typedef formatter<typename std::iterator_traits<It>::value_type, Char> base;
+ auto it = value.begin;
+ auto out = ctx.out();
+ if (it != value.end) {
+ out = base::format(*it++, ctx);
+ while (it != value.end) {
+ out = std::copy(value.sep.begin(), value.sep.end(), out);
+ ctx.advance_to(out);
+ out = base::format(*it++, ctx);
+ }
+ }
+ return out;
+ }
+};
+
+template <typename It>
+arg_join<It, char> join(It begin, It end, string_view sep) {
+ return arg_join<It, char>(begin, end, sep);
+}
+
+template <typename It>
+arg_join<It, wchar_t> join(It begin, It end, wstring_view sep) {
+ return arg_join<It, wchar_t>(begin, end, sep);
+}
+
+// The following causes ICE in gcc 4.4.
+#if FMT_USE_TRAILING_RETURN && (!FMT_GCC_VERSION || FMT_GCC_VERSION >= 405)
+template <typename Range>
+auto join(const Range &range, string_view sep)
+ -> arg_join<decltype(internal::begin(range)), char> {
+ return join(internal::begin(range), internal::end(range), sep);
+}
+
+template <typename Range>
+auto join(const Range &range, wstring_view sep)
+ -> arg_join<decltype(internal::begin(range)), wchar_t> {
+ return join(internal::begin(range), internal::end(range), sep);
+}
+#endif
+
+/**
+ \rst
+ Converts *value* to ``std::string`` using the default format for type *T*.
+ It doesn't support user-defined types with custom formatters.
+
+ **Example**::
+
+ #include <fmt/format.h>
+
+ std::string answer = fmt::to_string(42);
+ \endrst
+ */
+template <typename T>
+std::string to_string(const T &value) {
+ std::string str;
+ internal::container_buffer<std::string> buf(str);
+ writer(buf).write(value);
+ return str;
+}
+
+/**
+ Converts *value* to ``std::wstring`` using the default format for type *T*.
+ */
+template <typename T>
+std::wstring to_wstring(const T &value) {
+ std::wstring str;
+ internal::container_buffer<std::wstring> buf(str);
+ wwriter(buf).write(value);
+ return str;
+}
+
+template <typename Char, std::size_t SIZE>
+std::basic_string<Char> to_string(const basic_memory_buffer<Char, SIZE> &buf) {
+ return std::basic_string<Char>(buf.data(), buf.size());
+}
+
+template <typename Char>
+typename buffer_context<Char>::type::iterator internal::vformat_to(
+ internal::basic_buffer<Char> &buf, basic_string_view<Char> format_str,
+ basic_format_args<typename buffer_context<Char>::type> args) {
+ typedef back_insert_range<internal::basic_buffer<Char> > range;
+ return vformat_to<arg_formatter<range>>(
+ buf, to_string_view(format_str), args);
+}
+
+template <typename S, typename Char = FMT_CHAR(S)>
+inline typename buffer_context<Char>::type::iterator vformat_to(
+ internal::basic_buffer<Char> &buf, const S &format_str,
+ basic_format_args<typename buffer_context<Char>::type> args) {
+ return internal::vformat_to(buf, to_string_view(format_str), args);
+}
+
+template <
+ typename S, typename... Args,
+ std::size_t SIZE = inline_buffer_size,
+ typename Char = typename internal::char_t<S>::type>
+inline typename buffer_context<Char>::type::iterator format_to(
+ basic_memory_buffer<Char, SIZE> &buf, const S &format_str,
+ const Args &... args) {
+ internal::check_format_string<Args...>(format_str);
+ typedef typename buffer_context<Char>::type context;
+ format_arg_store<context, Args...> as{args...};
+ return internal::vformat_to(buf, to_string_view(format_str),
+ basic_format_args<context>(as));
+}
+
+namespace internal {
+
+// Detect the iterator category of *any* given type in a SFINAE-friendly way.
+// Unfortunately, older implementations of std::iterator_traits are not safe
+// for use in a SFINAE-context.
+
+// the gist of C++17's void_t magic
+template<typename... Ts>
+struct void_ { typedef void type; };
+
+template <typename T, typename Enable = void>
+struct it_category : std::false_type {};
+
+template <typename T>
+struct it_category<T*> { typedef std::random_access_iterator_tag type; };
+
+template <typename T>
+struct it_category<T, typename void_<typename T::iterator_category>::type> {
+ typedef typename T::iterator_category type;
+};
+
+// Detect if *any* given type models the OutputIterator concept.
+template <typename It>
+class is_output_iterator {
+ // Check for mutability because all iterator categories derived from
+ // std::input_iterator_tag *may* also meet the requirements of an
+ // OutputIterator, thereby falling into the category of 'mutable iterators'
+ // [iterator.requirements.general] clause 4.
+ // The compiler reveals this property only at the point of *actually
+ // dereferencing* the iterator!
+ template <typename U>
+ static decltype(*(internal::declval<U>())) test(std::input_iterator_tag);
+ template <typename U>
+ static char& test(std::output_iterator_tag);
+ template <typename U>
+ static const char& test(...);
+
+ typedef decltype(test<It>(typename it_category<It>::type{})) type;
+ typedef typename std::remove_reference<type>::type result;
+ public:
+ static const bool value = !std::is_const<result>::value;
+};
+} // internal
+
+template <typename OutputIt, typename Char = char>
+//using format_context_t = basic_format_context<OutputIt, Char>;
+struct format_context_t { typedef basic_format_context<OutputIt, Char> type; };
+
+template <typename OutputIt, typename Char = char>
+//using format_args_t = basic_format_args<format_context_t<OutputIt, Char>>;
+struct format_args_t {
+ typedef basic_format_args<
+ typename format_context_t<OutputIt, Char>::type> type;
+};
+
+template <typename String, typename OutputIt, typename... Args>
+inline typename std::enable_if<internal::is_output_iterator<OutputIt>::value,
+ OutputIt>::type
+ vformat_to(OutputIt out, const String &format_str,
+ typename format_args_t<OutputIt, FMT_CHAR(String)>::type args) {
+ typedef output_range<OutputIt, FMT_CHAR(String)> range;
+ return vformat_to<arg_formatter<range>>(range(out),
+ to_string_view(format_str), args);
+}
+
+/**
+ \rst
+ Formats arguments, writes the result to the output iterator ``out`` and returns
+ the iterator past the end of the output range.
+
+ **Example**::
+
+ std::vector<char> out;
+ fmt::format_to(std::back_inserter(out), "{}", 42);
+ \endrst
+ */
+template <typename OutputIt, typename S, typename... Args>
+inline FMT_ENABLE_IF_T(
+ internal::is_string<S>::value &&
+ internal::is_output_iterator<OutputIt>::value, OutputIt)
+ format_to(OutputIt out, const S &format_str, const Args &... args) {
+ internal::check_format_string<Args...>(format_str);
+ typedef typename format_context_t<OutputIt, FMT_CHAR(S)>::type context;
+ format_arg_store<context, Args...> as{args...};
+ return vformat_to(out, to_string_view(format_str),
+ basic_format_args<context>(as));
+}
+
+template <typename OutputIt>
+struct format_to_n_result {
+ /** Iterator past the end of the output range. */
+ OutputIt out;
+ /** Total (not truncated) output size. */
+ std::size_t size;
+};
+
+template <typename OutputIt, typename Char = typename OutputIt::value_type>
+struct format_to_n_context :
+ format_context_t<fmt::internal::truncating_iterator<OutputIt>, Char> {};
+
+template <typename OutputIt, typename Char = typename OutputIt::value_type>
+struct format_to_n_args {
+ typedef basic_format_args<
+ typename format_to_n_context<OutputIt, Char>::type> type;
+};
+
+template <typename OutputIt, typename Char, typename ...Args>
+inline format_arg_store<
+ typename format_to_n_context<OutputIt, Char>::type, Args...>
+ make_format_to_n_args(const Args &... args) {
+ return format_arg_store<
+ typename format_to_n_context<OutputIt, Char>::type, Args...>(args...);
+}
+
+template <typename OutputIt, typename Char, typename... Args>
+inline typename std::enable_if<
+ internal::is_output_iterator<OutputIt>::value,
+ format_to_n_result<OutputIt>>::type vformat_to_n(
+ OutputIt out, std::size_t n, basic_string_view<Char> format_str,
+ typename format_to_n_args<OutputIt, Char>::type args) {
+ typedef internal::truncating_iterator<OutputIt> It;
+ auto it = vformat_to(It(out, n), format_str, args);
+ return {it.base(), it.count()};
+}
+
+/**
+ \rst
+ Formats arguments, writes up to ``n`` characters of the result to the output
+ iterator ``out`` and returns the total output size and the iterator past the
+ end of the output range.
+ \endrst
+ */
+template <typename OutputIt, typename S, typename... Args>
+inline FMT_ENABLE_IF_T(
+ internal::is_string<S>::value &&
+ internal::is_output_iterator<OutputIt>::value,
+ format_to_n_result<OutputIt>)
+ format_to_n(OutputIt out, std::size_t n, const S &format_str,
+ const Args &... args) {
+ internal::check_format_string<Args...>(format_str);
+ typedef FMT_CHAR(S) Char;
+ format_arg_store<
+ typename format_to_n_context<OutputIt, Char>::type, Args...> as(args...);
+ return vformat_to_n(out, n, to_string_view(format_str),
+ typename format_to_n_args<OutputIt, Char>::type(as));
+}
+
+template <typename Char>
+inline std::basic_string<Char> internal::vformat(
+ basic_string_view<Char> format_str,
+ basic_format_args<typename buffer_context<Char>::type> args) {
+ basic_memory_buffer<Char> buffer;
+ internal::vformat_to(buffer, format_str, args);
+ return fmt::to_string(buffer);
+}
+
+/**
+ Returns the number of characters in the output of
+ ``format(format_str, args...)``.
+ */
+template <typename... Args>
+inline std::size_t formatted_size(string_view format_str,
+ const Args &... args) {
+ auto it = format_to(internal::counting_iterator<char>(), format_str, args...);
+ return it.count();
+}
+
+#if FMT_USE_USER_DEFINED_LITERALS
+namespace internal {
+
+# if FMT_UDL_TEMPLATE
+template <typename Char, Char... CHARS>
+class udl_formatter {
+ public:
+ template <typename... Args>
+ std::basic_string<Char> operator()(const Args &... args) const {
+ FMT_CONSTEXPR_DECL Char s[] = {CHARS..., '\0'};
+ FMT_CONSTEXPR_DECL bool invalid_format =
+ do_check_format_string<Char, error_handler, Args...>(
+ basic_string_view<Char>(s, sizeof...(CHARS)));
+ (void)invalid_format;
+ return format(s, args...);
+ }
+};
+# else
+template <typename Char>
+struct udl_formatter {
+ const Char *str;
+
+ template <typename... Args>
+ auto operator()(Args &&... args) const
+ -> decltype(format(str, std::forward<Args>(args)...)) {
+ return format(str, std::forward<Args>(args)...);
+ }
+};
+# endif // FMT_UDL_TEMPLATE
+
+template <typename Char>
+struct udl_arg {
+ const Char *str;
+
+ template <typename T>
+ named_arg<T, Char> operator=(T &&value) const {
+ return {str, std::forward<T>(value)};
+ }
+};
+
+} // namespace internal
+
+inline namespace literals {
+
+# if FMT_UDL_TEMPLATE
+template <typename Char, Char... CHARS>
+FMT_CONSTEXPR internal::udl_formatter<Char, CHARS...> operator""_format() {
+ return {};
+}
+# else
+/**
+ \rst
+ User-defined literal equivalent of :func:`fmt::format`.
+
+ **Example**::
+
+ using namespace fmt::literals;
+ std::string message = "The answer is {}"_format(42);
+ \endrst
+ */
+inline internal::udl_formatter<char>
+operator"" _format(const char *s, std::size_t) { return {s}; }
+inline internal::udl_formatter<wchar_t>
+operator"" _format(const wchar_t *s, std::size_t) { return {s}; }
+# endif // FMT_UDL_TEMPLATE
+
+/**
+ \rst
+ User-defined literal equivalent of :func:`fmt::arg`.
+
+ **Example**::
+
+ using namespace fmt::literals;
+ fmt::print("Elapsed time: {s:.2f} seconds", "s"_a=1.23);
+ \endrst
+ */
+inline internal::udl_arg<char>
+operator"" _a(const char *s, std::size_t) { return {s}; }
+inline internal::udl_arg<wchar_t>
+operator"" _a(const wchar_t *s, std::size_t) { return {s}; }
+} // inline namespace literals
+#endif // FMT_USE_USER_DEFINED_LITERALS
+FMT_END_NAMESPACE
+
+#define FMT_STRING(s) [] { \
+ typedef typename std::remove_cv<std::remove_pointer< \
+ typename std::decay<decltype(s)>::type>::type>::type ct; \
+ struct str : fmt::compile_string { \
+ typedef ct char_type; \
+ FMT_CONSTEXPR operator fmt::basic_string_view<ct>() const { \
+ return {s, sizeof(s) / sizeof(ct) - 1}; \
+ } \
+ }; \
+ return str{}; \
+ }()
+
+#if defined(FMT_STRING_ALIAS) && FMT_STRING_ALIAS
+/**
+ \rst
+ Constructs a compile-time format string. This macro is disabled by default to
+ prevent potential name collisions. To enable it define ``FMT_STRING_ALIAS`` to
+ 1 before including ``fmt/format.h``.
+
+ **Example**::
+
+ #define FMT_STRING_ALIAS 1
+ #include <fmt/format.h>
+ // A compile-time error because 'd' is an invalid specifier for strings.
+ std::string s = format(fmt("{:d}"), "foo");
+ \endrst
+ */
+# define fmt(s) FMT_STRING(s)
+#endif
+
+#ifdef FMT_HEADER_ONLY
+# define FMT_FUNC inline
+# include "format-inl.h"
+#else
+# define FMT_FUNC
+#endif
+
+// Restore warnings.
+#if FMT_GCC_VERSION >= 406 || FMT_CLANG_VERSION
+# pragma GCC diagnostic pop
+#endif
+
+#endif // FMT_FORMAT_H_
diff --git a/include/spdlog/fmt/bundled/locale.h b/include/spdlog/fmt/bundled/locale.h
new file mode 100644
index 0000000000000000000000000000000000000000..8e021bc49bf1d619fe86fb36507e891f230bb180
--- /dev/null
+++ b/include/spdlog/fmt/bundled/locale.h
@@ -0,0 +1,77 @@
+// 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 "format.h"
+#include <locale>
+
+FMT_BEGIN_NAMESPACE
+
+namespace internal {
+template <typename Char>
+typename buffer_context<Char>::type::iterator vformat_to(
+ const std::locale &loc, basic_buffer<Char> &buf,
+ basic_string_view<Char> format_str,
+ basic_format_args<typename buffer_context<Char>::type> args) {
+ typedef back_insert_range<basic_buffer<Char> > range;
+ 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<typename buffer_context<Char>::type> args) {
+ basic_memory_buffer<Char> buffer;
+ internal::vformat_to(loc, buffer, format_str, args);
+ return fmt::to_string(buffer);
+}
+}
+
+template <typename S, typename Char = FMT_CHAR(S)>
+inline std::basic_string<Char> vformat(
+ const std::locale &loc, const S &format_str,
+ basic_format_args<typename buffer_context<Char>::type> args) {
+ return internal::vformat(loc, to_string_view(format_str), args);
+}
+
+template <typename S, typename... Args>
+inline std::basic_string<FMT_CHAR(S)> format(
+ const std::locale &loc, const S &format_str, const Args &... args) {
+ return internal::vformat(
+ loc, to_string_view(format_str),
+ *internal::checked_args<S, Args...>(format_str, args...));
+}
+
+template <typename String, typename OutputIt, typename... Args>
+inline typename std::enable_if<internal::is_output_iterator<OutputIt>::value,
+ OutputIt>::type
+ vformat_to(OutputIt out, const std::locale &loc, const String &format_str,
+ typename format_args_t<OutputIt, FMT_CHAR(String)>::type args) {
+ typedef output_range<OutputIt, FMT_CHAR(String)> range;
+ 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>
+inline typename std::enable_if<
+ internal::is_string<S>::value &&
+ internal::is_output_iterator<OutputIt>::value, OutputIt>::type
+ format_to(OutputIt out, const std::locale &loc, const S &format_str,
+ const Args &... args) {
+ internal::check_format_string<Args...>(format_str);
+ typedef typename format_context_t<OutputIt, FMT_CHAR(S)>::type context;
+ 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_
diff --git a/include/spdlog/fmt/bundled/ostream.h b/include/spdlog/fmt/bundled/ostream.h
new file mode 100644
index 0000000000000000000000000000000000000000..84b31cc5547ff8004d962cc308241d6db8dbc36e
--- /dev/null
+++ b/include/spdlog/fmt/bundled/ostream.h
@@ -0,0 +1,153 @@
+// 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 "format.h"
+#include <ostream>
+
+FMT_BEGIN_NAMESPACE
+namespace internal {
+
+template <class Char>
+class formatbuf : public std::basic_streambuf<Char> {
+ private:
+ typedef typename std::basic_streambuf<Char>::int_type int_type;
+ typedef typename std::basic_streambuf<Char>::traits_type traits_type;
+
+ basic_buffer<Char> &buffer_;
+
+ public:
+ formatbuf(basic_buffer<Char> &buffer) : buffer_(buffer) {}
+
+ 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(
+ internal::declval<test_stream<Char>&>()
+ << internal::declval<U>(), std::true_type()) test(int);
+
+ template <typename>
+ static std::false_type test(...);
+
+ typedef decltype(test<T>(0)) result;
+
+ public:
+ static const bool value = result::value;
+};
+
+// Write the content of buf to os.
+template <typename Char>
+void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) {
+ const Char *data = buf.data();
+ typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize;
+ UnsignedStreamSize size = buf.size();
+ UnsignedStreamSize max_size =
+ internal::to_unsigned((std::numeric_limits<std::streamsize>::max)());
+ do {
+ UnsignedStreamSize n = size <= max_size ? size : max_size;
+ os.write(data, static_cast<std::streamsize>(n));
+ data += n;
+ size -= n;
+ } while (size != 0);
+}
+
+template <typename Char, typename T>
+void format_value(basic_buffer<Char> &buffer, const T &value) {
+ internal::formatbuf<Char> format_buf(buffer);
+ std::basic_ostream<Char> output(&format_buf);
+ output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
+ output << value;
+ buffer.resize(buffer.size());
+}
+} // namespace internal
+
+// Disable conversion to int if T has an overloaded operator<< which is a free
+// function (not a member of std::ostream).
+template <typename T, typename Char>
+struct convert_to_int<T, Char, void> {
+ static const bool value =
+ convert_to_int<T, Char, int>::value &&
+ !internal::is_streamable<T, Char>::value;
+};
+
+// Formats an object of type T that has an overloaded ostream operator<<.
+template <typename T, typename Char>
+struct formatter<T, Char,
+ typename std::enable_if<
+ internal::is_streamable<T, Char>::value &&
+ !internal::format_type<
+ typename buffer_context<Char>::type, T>::value>::type>
+ : formatter<basic_string_view<Char>, Char> {
+
+ template <typename Context>
+ auto format(const T &value, Context &ctx) -> decltype(ctx.out()) {
+ basic_memory_buffer<Char> buffer;
+ internal::format_value(buffer, value);
+ basic_string_view<Char> str(buffer.data(), buffer.size());
+ return formatter<basic_string_view<Char>, Char>::format(str, ctx);
+ }
+};
+
+template <typename Char>
+inline void vprint(std::basic_ostream<Char> &os,
+ basic_string_view<Char> format_str,
+ basic_format_args<typename buffer_context<Char>::type> 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>
+inline typename std::enable_if<internal::is_string<S>::value>::type
+print(std::basic_ostream<FMT_CHAR(S)> &os, const S &format_str,
+ const Args & ... args) {
+ internal::checked_args<S, Args...> ca(format_str, args...);
+ vprint(os, to_string_view(format_str), *ca);
+}
+FMT_END_NAMESPACE
+
+#endif // FMT_OSTREAM_H_
diff --git a/include/spdlog/fmt/bundled/posix.h b/include/spdlog/fmt/bundled/posix.h
new file mode 100644
index 0000000000000000000000000000000000000000..f4e3fad7ef7bde38d780c539221d15ccc94a7b59
--- /dev/null
+++ b/include/spdlog/fmt/bundled/posix.h
@@ -0,0 +1,324 @@
+// 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 typedefs 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_; }
+};
+
+typedef basic_cstring_view<char> cstring_view;
+typedef basic_cstring_view<wchar_t> wcstring_view;
+
+// 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_(FMT_NULL) {}
+
+ // 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_ = FMT_NULL;
+ }
+
+ buffered_file& operator=(buffered_file &&other) {
+ close();
+ file_ = other.file_;
+ other.file_ = FMT_NULL;
+ 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();
+
+#if (defined(LC_NUMERIC_MASK) || defined(_MSC_VER)) && \
+ !defined(__ANDROID__) && !defined(__CYGWIN__) && !defined(__OpenBSD__) && \
+ !defined(__NEWLIB_H__)
+# define FMT_LOCALE
+#endif
+
+#ifdef FMT_LOCALE
+// A "C" numeric locale.
+class Locale {
+ private:
+# ifdef _MSC_VER
+ typedef _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:
+ typedef locale_t Type;
+
+ Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", FMT_NULL)) {
+ 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 = FMT_NULL;
+ double result = strtod_l(str, &end, locale_);
+ str = end;
+ return result;
+ }
+};
+#endif // FMT_LOCALE
+FMT_END_NAMESPACE
+
+#endif // FMT_POSIX_H_
diff --git a/include/spdlog/fmt/bundled/printf.h b/include/spdlog/fmt/bundled/printf.h
new file mode 100644
index 0000000000000000000000000000000000000000..6f2715d9fe7cb3cfc16ce871d323216d326fe40d
--- /dev/null
+++ b/include/spdlog/fmt/bundled/printf.h
@@ -0,0 +1,855 @@
+// 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 {
+
+// An iterator that produces a null terminator on *end. This simplifies parsing
+// and allows comparing the performance of processing a null-terminated string
+// vs string_view.
+template <typename Char>
+class null_terminating_iterator {
+ public:
+ typedef std::ptrdiff_t difference_type;
+ typedef Char value_type;
+ typedef const Char* pointer;
+ typedef const Char& reference;
+ typedef std::random_access_iterator_tag iterator_category;
+
+ null_terminating_iterator() : ptr_(0), end_(0) {}
+
+ FMT_CONSTEXPR null_terminating_iterator(const Char *ptr, const Char *end)
+ : ptr_(ptr), end_(end) {}
+
+ template <typename Range>
+ FMT_CONSTEXPR explicit null_terminating_iterator(const Range &r)
+ : ptr_(r.begin()), end_(r.end()) {}
+
+ FMT_CONSTEXPR null_terminating_iterator &operator=(const Char *ptr) {
+ assert(ptr <= end_);
+ ptr_ = ptr;
+ return *this;
+ }
+
+ FMT_CONSTEXPR Char operator*() const {
+ return ptr_ != end_ ? *ptr_ : Char();
+ }
+
+ FMT_CONSTEXPR null_terminating_iterator operator++() {
+ ++ptr_;
+ return *this;
+ }
+
+ FMT_CONSTEXPR null_terminating_iterator operator++(int) {
+ null_terminating_iterator result(*this);
+ ++ptr_;
+ return result;
+ }
+
+ FMT_CONSTEXPR null_terminating_iterator operator--() {
+ --ptr_;
+ return *this;
+ }
+
+ FMT_CONSTEXPR null_terminating_iterator operator+(difference_type n) {
+ return null_terminating_iterator(ptr_ + n, end_);
+ }
+
+ FMT_CONSTEXPR null_terminating_iterator operator-(difference_type n) {
+ return null_terminating_iterator(ptr_ - n, end_);
+ }
+
+ FMT_CONSTEXPR null_terminating_iterator operator+=(difference_type n) {
+ ptr_ += n;
+ return *this;
+ }
+
+ FMT_CONSTEXPR difference_type operator-(
+ null_terminating_iterator other) const {
+ return ptr_ - other.ptr_;
+ }
+
+ FMT_CONSTEXPR bool operator!=(null_terminating_iterator other) const {
+ return ptr_ != other.ptr_;
+ }
+
+ bool operator>=(null_terminating_iterator other) const {
+ return ptr_ >= other.ptr_;
+ }
+
+ // This should be a friend specialization pointer_from<Char> but the latter
+ // doesn't compile by gcc 5.1 due to a compiler bug.
+ template <typename CharT>
+ friend FMT_CONSTEXPR_DECL const CharT *pointer_from(
+ null_terminating_iterator<CharT> it);
+
+ private:
+ const Char *ptr_;
+ const Char *end_;
+};
+
+template <typename T>
+FMT_CONSTEXPR const T *pointer_from(const T *p) { return p; }
+
+template <typename Char>
+FMT_CONSTEXPR const Char *pointer_from(null_terminating_iterator<Char> it) {
+ return it.ptr_;
+}
+
+// DEPRECATED: Parses the input as an unsigned integer. This function assumes
+// that the first character is a digit and presence of a non-digit character at
+// the end.
+// it: an iterator pointing to the beginning of the input range.
+template <typename Iterator, typename ErrorHandler>
+FMT_CONSTEXPR unsigned parse_nonnegative_int(Iterator &it, ErrorHandler &&eh) {
+ assert('0' <= *it && *it <= '9');
+ if (*it == '0') {
+ ++it;
+ return 0;
+ }
+ unsigned value = 0;
+ // Convert to unsigned to prevent a warning.
+ unsigned max_int = (std::numeric_limits<int>::max)();
+ unsigned big = max_int / 10;
+ do {
+ // Check for overflow.
+ if (value > big) {
+ value = max_int + 1;
+ break;
+ }
+ value = value * 10 + unsigned(*it - '0');
+ // Workaround for MSVC "setup_exception stack overflow" error:
+ auto next = it;
+ ++next;
+ it = next;
+ } while ('0' <= *it && *it <= '9');
+ if (value > max_int)
+ eh.on_error("number is too big");
+ 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 function<int> {
+ public:
+ template <typename T>
+ typename std::enable_if<std::is_integral<T>::value, int>::type
+ 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 static_cast<int>(value);
+ }
+
+ template <typename T>
+ typename std::enable_if<!std::is_integral<T>::value, int>::type 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 function<bool> {
+ public:
+ template <typename T>
+ typename std::enable_if<std::is_integral<T>::value, bool>::type
+ operator()(T value) { return value == 0; }
+
+ template <typename T>
+ typename std::enable_if<!std::is_integral<T>::value, bool>::type
+ operator()(T) { return false; }
+};
+
+template <typename T>
+struct make_unsigned_or_bool : std::make_unsigned<T> {};
+
+template <>
+struct make_unsigned_or_bool<bool> {
+ typedef bool type;
+};
+
+template <typename T, typename Context>
+class arg_converter: public function<void> {
+ private:
+ typedef typename Context::char_type Char;
+
+ basic_format_arg<Context> &arg_;
+ typename Context::char_type type_;
+
+ public:
+ arg_converter(basic_format_arg<Context> &arg, Char type)
+ : arg_(arg), type_(type) {}
+
+ void operator()(bool value) {
+ if (type_ != 's')
+ operator()<bool>(value);
+ }
+
+ template <typename U>
+ typename std::enable_if<std::is_integral<U>::value>::type
+ operator()(U value) {
+ bool is_signed = type_ == 'd' || type_ == 'i';
+ typedef typename std::conditional<
+ std::is_same<T, void>::value, U, T>::type TargetType;
+ if (const_check(sizeof(TargetType) <= sizeof(int))) {
+ // Extra casts are used to silence warnings.
+ if (is_signed) {
+ arg_ = internal::make_arg<Context>(
+ static_cast<int>(static_cast<TargetType>(value)));
+ } else {
+ typedef typename make_unsigned_or_bool<TargetType>::type Unsigned;
+ arg_ = internal::make_arg<Context>(
+ static_cast<unsigned>(static_cast<Unsigned>(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>
+ typename std::enable_if<!std::is_integral<U>::value>::type operator()(U) {
+ // No coversion 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: public function<void> {
+ private:
+ basic_format_arg<Context> &arg_;
+
+ public:
+ explicit char_converter(basic_format_arg<Context> &arg) : arg_(arg) {}
+
+ template <typename T>
+ typename std::enable_if<std::is_integral<T>::value>::type
+ operator()(T value) {
+ typedef typename Context::char_type Char;
+ arg_ = internal::make_arg<Context>(static_cast<Char>(value));
+ }
+
+ template <typename T>
+ typename std::enable_if<!std::is_integral<T>::value>::type operator()(T) {
+ // No coversion 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: public function<unsigned> {
+ private:
+ typedef basic_format_specs<Char> format_specs;
+
+ format_specs &spec_;
+
+ public:
+ explicit printf_width_handler(format_specs &spec) : spec_(spec) {}
+
+ template <typename T>
+ typename std::enable_if<std::is_integral<T>::value, unsigned>::type
+ operator()(T value) {
+ typedef typename internal::int_traits<T>::main_type UnsignedType;
+ UnsignedType width = static_cast<UnsignedType>(value);
+ if (internal::is_negative(value)) {
+ spec_.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>
+ typename std::enable_if<!std::is_integral<T>::value, unsigned>::type
+ operator()(T) {
+ FMT_THROW(format_error("width is not integer"));
+ return 0;
+ }
+};
+
+template <typename Char, typename Context>
+void printf(basic_buffer<Char> &buf, basic_string_view<Char> format,
+ basic_format_args<Context> args) {
+ Context(std::back_inserter(buf), 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,
+ typename ArgFormatter =
+ printf_arg_formatter<back_insert_range<internal::basic_buffer<Char>>>>
+class basic_printf_context;
+
+/**
+ \rst
+ The ``printf`` argument formatter.
+ \endrst
+ */
+template <typename Range>
+class printf_arg_formatter:
+ public internal::function<
+ typename internal::arg_formatter_base<Range>::iterator>,
+ public internal::arg_formatter_base<Range> {
+ private:
+ typedef typename Range::value_type char_type;
+ typedef decltype(internal::declval<Range>().begin()) iterator;
+ typedef internal::arg_formatter_base<Range> base;
+ typedef basic_printf_context<iterator, char_type> context_type;
+
+ context_type &context_;
+
+ void write_null_pointer(char) {
+ this->spec()->type = 0;
+ this->write("(nil)");
+ }
+
+ void write_null_pointer(wchar_t) {
+ this->spec()->type = 0;
+ this->write(L"(nil)");
+ }
+
+ public:
+ typedef typename base::format_specs format_specs;
+
+ /**
+ \rst
+ Constructs an argument formatter object.
+ *buffer* is a reference to the output buffer and *spec* contains format
+ specifier information for standard argument types.
+ \endrst
+ */
+ printf_arg_formatter(internal::basic_buffer<char_type> &buffer,
+ format_specs &spec, context_type &ctx)
+ : base(back_insert_range<internal::basic_buffer<char_type>>(buffer), &spec,
+ ctx.locale()),
+ context_(ctx) {}
+
+ template <typename T>
+ typename std::enable_if<std::is_integral<T>::value, iterator>::type
+ 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_spec = *this->spec();
+ if (fmt_spec.type != 's')
+ return base::operator()(value ? 1 : 0);
+ fmt_spec.type = 0;
+ this->write(value != 0);
+ } else if (std::is_same<T, char_type>::value) {
+ format_specs &fmt_spec = *this->spec();
+ if (fmt_spec.type && fmt_spec.type != 'c')
+ return (*this)(static_cast<int>(value));
+ fmt_spec.flags = 0;
+ fmt_spec.align_ = ALIGN_RIGHT;
+ return base::operator()(value);
+ } else {
+ return base::operator()(value);
+ }
+ return this->out();
+ }
+
+ template <typename T>
+ typename std::enable_if<std::is_floating_point<T>::value, iterator>::type
+ 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->spec()->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->spec()->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->spec()->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_);
+ 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, typename ArgFormatter>
+class basic_printf_context :
+ // Inherit publicly as a workaround for the icc bug
+ // https://software.intel.com/en-us/forums/intel-c-compiler/topic/783476.
+ public internal::context_base<
+ OutputIt, basic_printf_context<OutputIt, Char, ArgFormatter>, Char> {
+ public:
+ /** The character type for the output. */
+ typedef Char char_type;
+
+ template <typename T>
+ struct formatter_type { typedef printf_formatter<T> type; };
+
+ private:
+ typedef internal::context_base<OutputIt, basic_printf_context, Char> base;
+ typedef typename base::format_arg format_arg;
+ typedef basic_format_specs<char_type> format_specs;
+ typedef internal::null_terminating_iterator<char_type> iterator;
+
+ void parse_flags(format_specs &spec, iterator &it);
+
+ // Returns the argument with specified index or, if arg_index is equal
+ // to the maximum unsigned value, the next argument.
+ format_arg get_arg(
+ iterator it,
+ unsigned arg_index = (std::numeric_limits<unsigned>::max)());
+
+ // Parses argument index, flags and width and returns the argument index.
+ unsigned parse_header(iterator &it, format_specs &spec);
+
+ 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)
+ : base(out, format_str, args) {}
+
+ using base::parse_context;
+ using base::out;
+ using base::advance_to;
+
+ /** Formats stored arguments and writes the output to the range. */
+ void format();
+};
+
+template <typename OutputIt, typename Char, typename AF>
+void basic_printf_context<OutputIt, Char, AF>::parse_flags(
+ format_specs &spec, iterator &it) {
+ for (;;) {
+ switch (*it++) {
+ case '-':
+ spec.align_ = ALIGN_LEFT;
+ break;
+ case '+':
+ spec.flags |= SIGN_FLAG | PLUS_FLAG;
+ break;
+ case '0':
+ spec.fill_ = '0';
+ break;
+ case ' ':
+ spec.flags |= SIGN_FLAG;
+ break;
+ case '#':
+ spec.flags |= HASH_FLAG;
+ break;
+ default:
+ --it;
+ return;
+ }
+ }
+}
+
+template <typename OutputIt, typename Char, typename AF>
+typename basic_printf_context<OutputIt, Char, AF>::format_arg
+ basic_printf_context<OutputIt, Char, AF>::get_arg(
+ iterator it, unsigned arg_index) {
+ (void)it;
+ if (arg_index == std::numeric_limits<unsigned>::max())
+ return this->do_get_arg(this->parse_context().next_arg_id());
+ return base::get_arg(arg_index - 1);
+}
+
+template <typename OutputIt, typename Char, typename AF>
+unsigned basic_printf_context<OutputIt, Char, AF>::parse_header(
+ iterator &it, format_specs &spec) {
+ 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, eh);
+ if (*it == '$') { // value is an argument index
+ ++it;
+ arg_index = value;
+ } else {
+ if (c == '0')
+ spec.fill_ = '0';
+ if (value != 0) {
+ // Nonzero value means that we parsed width and don't need to
+ // parse it or flags again, so return now.
+ spec.width_ = value;
+ return arg_index;
+ }
+ }
+ }
+ parse_flags(spec, it);
+ // Parse width.
+ if (*it >= '0' && *it <= '9') {
+ internal::error_handler eh;
+ spec.width_ = parse_nonnegative_int(it, eh);
+ } else if (*it == '*') {
+ ++it;
+ spec.width_ = visit_format_arg(
+ internal::printf_width_handler<char_type>(spec), get_arg(it));
+ }
+ return arg_index;
+}
+
+template <typename OutputIt, typename Char, typename AF>
+void basic_printf_context<OutputIt, Char, AF>::format() {
+ auto &buffer = internal::get_container(this->out());
+ auto start = iterator(this->parse_context());
+ auto it = start;
+ using internal::pointer_from;
+ while (*it) {
+ char_type c = *it++;
+ if (c != '%') continue;
+ if (*it == c) {
+ buffer.append(pointer_from(start), pointer_from(it));
+ start = ++it;
+ continue;
+ }
+ buffer.append(pointer_from(start), pointer_from(it) - 1);
+
+ format_specs spec;
+ spec.align_ = ALIGN_RIGHT;
+
+ // Parse argument index, flags and width.
+ unsigned arg_index = parse_header(it, spec);
+
+ // Parse precision.
+ if (*it == '.') {
+ ++it;
+ if ('0' <= *it && *it <= '9') {
+ internal::error_handler eh;
+ spec.precision = static_cast<int>(parse_nonnegative_int(it, eh));
+ } else if (*it == '*') {
+ ++it;
+ spec.precision =
+ visit_format_arg(internal::printf_precision_handler(), get_arg(it));
+ } else {
+ spec.precision = 0;
+ }
+ }
+
+ format_arg arg = get_arg(it, arg_index);
+ if (spec.has(HASH_FLAG) && visit_format_arg(internal::is_zero_int(), arg))
+ spec.flags = static_cast<uint_least8_t>(spec.flags & (~internal::to_unsigned<int>(HASH_FLAG)));
+ if (spec.fill_ == '0') {
+ if (arg.is_arithmetic())
+ spec.align_ = ALIGN_NUMERIC;
+ else
+ spec.fill_ = ' '; // Ignore '0' flag for non-numeric types.
+ }
+
+ // Parse length and convert the argument to the required type.
+ using internal::convert_arg;
+ switch (*it++) {
+ case 'h':
+ if (*it == 'h')
+ convert_arg<signed char>(arg, *++it);
+ else
+ convert_arg<short>(arg, *it);
+ break;
+ case 'l':
+ if (*it == 'l')
+ convert_arg<long long>(arg, *++it);
+ else
+ convert_arg<long>(arg, *it);
+ break;
+ case 'j':
+ convert_arg<intmax_t>(arg, *it);
+ break;
+ case 'z':
+ convert_arg<std::size_t>(arg, *it);
+ break;
+ case 't':
+ convert_arg<std::ptrdiff_t>(arg, *it);
+ 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, *it);
+ }
+
+ // Parse type.
+ if (!*it)
+ FMT_THROW(format_error("invalid format string"));
+ spec.type = static_cast<char>(*it++);
+ if (arg.is_integral()) {
+ // Normalize type.
+ switch (spec.type) {
+ case 'i': case 'u':
+ spec.type = 'd';
+ break;
+ case 'c':
+ // TODO: handle wchar_t better?
+ visit_format_arg(
+ internal::char_converter<basic_printf_context>(arg), arg);
+ break;
+ }
+ }
+
+ start = it;
+
+ // Format argument.
+ visit_format_arg(AF(buffer, spec, *this), arg);
+ }
+ buffer.append(pointer_from(start), pointer_from(it));
+}
+
+template <typename Buffer>
+struct basic_printf_context_t {
+ typedef basic_printf_context<
+ std::back_insert_iterator<Buffer>, typename Buffer::value_type> type;
+};
+
+typedef basic_printf_context_t<internal::buffer>::type printf_context;
+typedef basic_printf_context_t<internal::wbuffer>::type wprintf_context;
+
+typedef basic_format_args<printf_context> printf_args;
+typedef basic_format_args<wprintf_context> wprintf_args;
+
+/**
+ \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 = FMT_CHAR(S)>
+inline std::basic_string<Char>
+vsprintf(const S &format,
+ basic_format_args<typename basic_printf_context_t<
+ internal::basic_buffer<Char>>::type> 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>
+inline FMT_ENABLE_IF_T(
+ internal::is_string<S>::value, std::basic_string<FMT_CHAR(S)>)
+ sprintf(const S &format, const Args & ... args) {
+ internal::check_format_string<Args...>(format);
+ typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
+ typedef typename basic_printf_context_t<buffer>::type context;
+ format_arg_store<context, Args...> as{ args... };
+ return vsprintf(to_string_view(format),
+ basic_format_args<context>(as));
+}
+
+template <typename S, typename Char = FMT_CHAR(S)>
+inline int vfprintf(std::FILE *f, const S &format,
+ basic_format_args<typename basic_printf_context_t<
+ internal::basic_buffer<Char>>::type> 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>
+inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
+ fprintf(std::FILE *f, const S &format, const Args & ... args) {
+ internal::check_format_string<Args...>(format);
+ typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
+ typedef typename basic_printf_context_t<buffer>::type context;
+ format_arg_store<context, Args...> as{ args... };
+ return vfprintf(f, to_string_view(format),
+ basic_format_args<context>(as));
+}
+
+template <typename S, typename Char = FMT_CHAR(S)>
+inline int vprintf(const S &format,
+ basic_format_args<typename basic_printf_context_t<
+ internal::basic_buffer<Char>>::type> 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>
+inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
+ printf(const S &format_str, const Args & ... args) {
+ internal::check_format_string<Args...>(format_str);
+ typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
+ typedef typename basic_printf_context_t<buffer>::type context;
+ format_arg_store<context, Args...> as{ args... };
+ return vprintf(to_string_view(format_str),
+ basic_format_args<context>(as));
+}
+
+template <typename S, typename Char = FMT_CHAR(S)>
+inline int vfprintf(std::basic_ostream<Char> &os,
+ const S &format,
+ basic_format_args<typename basic_printf_context_t<
+ internal::basic_buffer<Char>>::type> args) {
+ basic_memory_buffer<Char> buffer;
+ printf(buffer, to_string_view(format), args);
+ internal::write(os, buffer);
+ return static_cast<int>(buffer.size());
+}
+
+/**
+ \rst
+ Prints formatted data to the stream *os*.
+
+ **Example**::
+
+ fmt::fprintf(cerr, "Don't %s!", "panic");
+ \endrst
+ */
+template <typename S, typename... Args>
+inline FMT_ENABLE_IF_T(internal::is_string<S>::value, int)
+ fprintf(std::basic_ostream<FMT_CHAR(S)> &os,
+ const S &format_str, const Args & ... args) {
+ internal::check_format_string<Args...>(format_str);
+ typedef internal::basic_buffer<FMT_CHAR(S)> buffer;
+ typedef typename basic_printf_context_t<buffer>::type context;
+ format_arg_store<context, Args...> as{ args... };
+ return vfprintf(os, to_string_view(format_str),
+ basic_format_args<context>(as));
+}
+FMT_END_NAMESPACE
+
+#endif // FMT_PRINTF_H_
diff --git a/include/spdlog/fmt/bundled/ranges.h b/include/spdlog/fmt/bundled/ranges.h
new file mode 100644
index 0000000000000000000000000000000000000000..3672d4ca81d0fc6a7787bf92db34f9a8145b9ebe
--- /dev/null
+++ b/include/spdlog/fmt/bundled/ranges.h
@@ -0,0 +1,308 @@
+// Formatting library for C++ - the core API
+//
+// 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 "format.h"
+#include <type_traits>
+
+// 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>
+void copy(const RangeT &range, OutputIterator out) {
+ for (auto it = range.begin(), end = range.end(); it != end; ++it)
+ *out++ = *it;
+}
+
+template <typename OutputIterator>
+void copy(const char *str, OutputIterator out) {
+ const char *p_curr = str;
+ while (*p_curr) {
+ *out++ = *p_curr++;
+ }
+}
+
+template <typename OutputIterator>
+void copy(char ch, OutputIterator out) {
+ *out++ = ch;
+}
+
+/// 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(p->find('a'), p->length(), p->data(), int());
+ template <typename>
+ static void check(...);
+
+ public:
+ static FMT_CONSTEXPR_DECL const bool value =
+ !std::is_void<decltype(check<T>(FMT_NULL))>::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, typename std::conditional<
+ false,
+ conditional_helper<decltype(internal::declval<T>().begin()),
+ decltype(internal::declval<T>().end())>,
+ void>::type> : 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,
+ internal::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>(FMT_NULL))>::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 {
+ typedef T value_type;
+
+ 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_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
+ typename std::enable_if<
+ !is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
+ return add_space ? " {}" : "{}";
+}
+
+template<typename Arg>
+FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&,
+ typename std::enable_if<
+ is_like_std_string<typename std::decay<Arg>::type>::value>::type* = nullptr) {
+ 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,
+ typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type> {
+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++ = ' ';
+ }
+ internal::copy(formatting.delimiter, 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>
+struct is_range {
+ static FMT_CONSTEXPR_DECL const bool value =
+ internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
+};
+
+template <typename RangeT, typename Char>
+struct formatter<RangeT, Char,
+ typename std::enable_if<fmt::is_range<RangeT>::value>::type> {
+
+ 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 = ctx.out();
+ internal::copy(formatting.prefix, 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++ = ' ';
+ }
+ internal::copy(formatting.delimiter, out);
+ }
+ format_to(out,
+ internal::format_str_quoted(
+ (formatting.add_delimiter_spaces && i > 0), *it),
+ *it);
+ if (++i > formatting.range_length_limit) {
+ format_to(out, " ... <other elements>");
+ break;
+ }
+ }
+ if (formatting.add_prepostfix_space) {
+ *out++ = ' ';
+ }
+ internal::copy(formatting.postfix, out);
+ return ctx.out();
+ }
+};
+
+FMT_END_NAMESPACE
+
+#endif // FMT_RANGES_H_
+
diff --git a/include/spdlog/fmt/bundled/time.h b/include/spdlog/fmt/bundled/time.h
new file mode 100644
index 0000000000000000000000000000000000000000..fe798916f18289fb94d5d5950e412b0221812b91
--- /dev/null
+++ b/include/spdlog/fmt/bundled/time.h
@@ -0,0 +1,160 @@
+// Formatting library for C++ - time formatting
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_TIME_H_
+#define FMT_TIME_H_
+
+#include "format.h"
+#include <ctime>
+#include <locale>
+
+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 != FMT_NULL; }
+
+ 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 != FMT_NULL;
+ }
+#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 != FMT_NULL; }
+
+ 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 != FMT_NULL;
+ }
+#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);
+}
+}
+
+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;
+};
+FMT_END_NAMESPACE
+
+#endif // FMT_TIME_H_
diff --git a/include/spdlog/fmt/fmt.h b/include/spdlog/fmt/fmt.h
new file mode 100644
index 0000000000000000000000000000000000000000..616af0cc7812b0554311aec98a79dbd7b3820fdd
--- /dev/null
+++ b/include/spdlog/fmt/fmt.h
@@ -0,0 +1,25 @@
+//
+// 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)
+#ifndef FMT_HEADER_ONLY
+#define FMT_HEADER_ONLY
+#endif
+#ifndef FMT_USE_WINDOWS_H
+#define FMT_USE_WINDOWS_H 0
+#endif
+#include "bundled/core.h"
+#include "bundled/format.h"
+#else // external fmtlib
+#include <fmt/core.h>
+#include <fmt/format.h>
+#endif
diff --git a/include/spdlog/fmt/ostr.h b/include/spdlog/fmt/ostr.h
new file mode 100644
index 0000000000000000000000000000000000000000..9902898f84a80a55739c41edc2dc1602e0d6f573
--- /dev/null
+++ b/include/spdlog/fmt/ostr.h
@@ -0,0 +1,18 @@
+//
+// 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
diff --git a/include/spdlog/formatter.h b/include/spdlog/formatter.h
new file mode 100644
index 0000000000000000000000000000000000000000..a7ef6b8b5ae6f0dd6097875ef0c1cab5d8c648d2
--- /dev/null
+++ b/include/spdlog/formatter.h
@@ -0,0 +1,20 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// 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, fmt::memory_buffer &dest) = 0;
+ virtual std::unique_ptr<formatter> clone() const = 0;
+};
+} // namespace spdlog
diff --git a/include/spdlog/logger.h b/include/spdlog/logger.h
new file mode 100644
index 0000000000000000000000000000000000000000..ec06828fbaad33ec35226edb731730474b7d1e73
--- /dev/null
+++ b/include/spdlog/logger.h
@@ -0,0 +1,183 @@
+//
+// Copyright(c) 2015-2108 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+// Thread safe logger (except for set_pattern(..), set_formatter(..) and
+// 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 customize format per each sink.
+
+#include "spdlog/common.h"
+#include "spdlog/formatter.h"
+#include "spdlog/sinks/sink.h"
+
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace spdlog {
+
+class logger
+{
+public:
+ logger(std::string name, sink_ptr single_sink);
+ logger(std::string name, sinks_init_list sinks);
+
+ template<typename It>
+ logger(std::string name, It begin, It end);
+
+ virtual ~logger();
+
+ logger(const logger &) = delete;
+ logger &operator=(const logger &) = delete;
+
+ template<typename... Args>
+ void log(level::level_enum lvl, const char *fmt, const Args &... args);
+
+ template<typename... Args>
+ void log(source_loc loc, level::level_enum lvl, const char *fmt, const Args &... args);
+
+ void log(level::level_enum lvl, const char *msg);
+
+ void log(source_loc loc, level::level_enum lvl, const char *msg);
+
+ template<typename... Args>
+ void trace(const char *fmt, const Args &... args);
+
+ template<typename... Args>
+ void debug(const char *fmt, const Args &... args);
+
+ template<typename... Args>
+ void info(const char *fmt, const Args &... args);
+
+ template<typename... Args>
+ void warn(const char *fmt, const Args &... args);
+
+ template<typename... Args>
+ void error(const char *fmt, const Args &... args);
+
+ template<typename... Args>
+ void critical(const char *fmt, const Args &... args);
+
+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
+#ifndef _WIN32
+#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
+#else
+ template<typename... Args>
+ void log(level::level_enum lvl, const wchar_t *fmt, const Args &... args);
+
+ template<typename... Args>
+ void log(source_loc source, level::level_enum lvl, const wchar_t *fmt, const Args &... args);
+
+ template<typename... Args>
+ void trace(const wchar_t *fmt, const Args &... args);
+
+ template<typename... Args>
+ void debug(const wchar_t *fmt, const Args &... args);
+
+ template<typename... Args>
+ void info(const wchar_t *fmt, const Args &... args);
+
+ template<typename... Args>
+ void warn(const wchar_t *fmt, const Args &... args);
+
+ template<typename... Args>
+ void error(const wchar_t *fmt, const Args &... args);
+
+ template<typename... Args>
+ void critical(const wchar_t *fmt, const Args &... args);
+#endif // _WIN32
+#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
+
+ template<class T>
+ void log(level::level_enum lvl, const T &);
+
+ // T can be statically converted to string_view
+ template<class T, typename std::enable_if<std::is_convertible<T, spdlog::string_view_t>::value, T>::type * = nullptr>
+ void log(source_loc loc, level::level_enum lvl, const T &);
+
+ // T cannot be statically converted to string_view
+ template<class T, typename std::enable_if<!std::is_convertible<T, spdlog::string_view_t>::value, T>::type * = nullptr>
+ void log(source_loc loc, level::level_enum lvl, const T &);
+
+ template<typename T>
+ void trace(const T &msg);
+
+ template<typename T>
+ void debug(const T &msg);
+
+ template<typename T>
+ void info(const T &msg);
+
+ template<typename T>
+ void warn(const T &msg);
+
+ template<typename T>
+ void error(const T &msg);
+
+ template<typename T>
+ void critical(const T &msg);
+
+ bool should_log(level::level_enum msg_level) const;
+ void set_level(level::level_enum log_level);
+
+ static level::level_enum default_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> formatter);
+ void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local);
+
+ // 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(log_err_handler err_handler);
+ log_err_handler error_handler() const;
+
+ // create new logger with same sinks and configuration.
+ virtual std::shared_ptr<logger> clone(std::string logger_name);
+
+protected:
+ virtual void sink_it_(details::log_msg &msg);
+ virtual void flush_();
+
+ bool should_flush_(const details::log_msg &msg);
+
+ // default error handler.
+ // print the error to stderr with the max rate of 1 message/minute.
+ void default_err_handler_(const std::string &msg);
+
+ // increment the message count (only if defined(SPDLOG_ENABLE_MESSAGE_COUNTER))
+ void incr_msg_counter_(details::log_msg &msg);
+
+ const std::string name_;
+ std::vector<sink_ptr> sinks_;
+ spdlog::level_t level_{spdlog::logger::default_level()};
+ spdlog::level_t flush_level_{level::off};
+ log_err_handler err_handler_{[this](const std::string &msg) { this->default_err_handler_(msg); }};
+ std::atomic<time_t> last_err_time_{0};
+ std::atomic<size_t> msg_counter_{1};
+};
+} // namespace spdlog
+
+#include "details/logger_impl.h"
diff --git a/include/spdlog/sinks/android_sink.h b/include/spdlog/sinks/android_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..ae7f77336804f6afa75b201f9585a08acb72417d
--- /dev/null
+++ b/include/spdlog/sinks/android_sink.h
@@ -0,0 +1,121 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "spdlog/details/fmt_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/details/os.h"
+#include "spdlog/sinks/base_sink.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);
+ fmt::memory_buffer formatted;
+ if (use_raw_msg_)
+ {
+ details::fmt_helper::append_string_view(msg.payload, formatted);
+ }
+ else
+ {
+ sink::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)
+ {
+ 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 = default_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 = default_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
diff --git a/include/spdlog/sinks/ansicolor_sink.h b/include/spdlog/sinks/ansicolor_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..7c5e353901b9aeb1a064e105eaf19090f6b31500
--- /dev/null
+++ b/include/spdlog/sinks/ansicolor_sink.h
@@ -0,0 +1,161 @@
+//
+// Copyright(c) 2017 spdlog authors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "spdlog/details/console_globals.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/details/os.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 TargetStream, class ConsoleMutex>
+class ansicolor_sink final : public sink
+{
+public:
+ using mutex_t = typename ConsoleMutex::mutex_t;
+ ansicolor_sink()
+ : target_file_(TargetStream::stream())
+ , mutex_(ConsoleMutex::mutex())
+
+ {
+ should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
+ 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;
+ }
+
+ ~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, const std::string &color)
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ colors_[color_level] = color;
+ }
+
+ /// Formatting codes
+ const std::string reset = "\033[m";
+ const std::string bold = "\033[1m";
+ const std::string dark = "\033[2m";
+ const std::string underline = "\033[4m";
+ const std::string blink = "\033[5m";
+ const std::string reverse = "\033[7m";
+ const std::string concealed = "\033[8m";
+ const std::string clear_line = "\033[K";
+
+ // Foreground colors
+ const std::string black = "\033[30m";
+ const std::string red = "\033[31m";
+ const std::string green = "\033[32m";
+ const std::string yellow = "\033[33m";
+ const std::string blue = "\033[34m";
+ const std::string magenta = "\033[35m";
+ const std::string cyan = "\033[36m";
+ const std::string white = "\033[37m";
+
+ /// Background colors
+ const std::string on_black = "\033[40m";
+ const std::string on_red = "\033[41m";
+ const std::string on_green = "\033[42m";
+ const std::string on_yellow = "\033[43m";
+ const std::string on_blue = "\033[44m";
+ const std::string on_magenta = "\033[45m";
+ const std::string on_cyan = "\033[46m";
+ const std::string on_white = "\033[47m";
+
+ void log(const details::log_msg &msg) override
+ {
+ // 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_);
+
+ fmt::memory_buffer 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_);
+ }
+
+ void flush() override
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ fflush(target_file_);
+ }
+
+ void set_pattern(const std::string &pattern) final
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
+ }
+
+ void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ formatter_ = std::move(sink_formatter);
+ }
+
+private:
+ void print_ccode_(const std::string &color_code)
+ {
+ fwrite(color_code.data(), sizeof(char), color_code.size(), target_file_);
+ }
+ void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
+ {
+ fwrite(formatted.data() + start, sizeof(char), end - start, target_file_);
+ }
+
+ FILE *target_file_;
+ mutex_t &mutex_;
+
+ bool should_do_colors_;
+ std::unordered_map<level::level_enum, std::string, level::level_hasher> colors_;
+};
+
+using ansicolor_stdout_sink_mt = ansicolor_sink<details::console_stdout, details::console_mutex>;
+using ansicolor_stdout_sink_st = ansicolor_sink<details::console_stdout, details::console_nullmutex>;
+
+using ansicolor_stderr_sink_mt = ansicolor_sink<details::console_stderr, details::console_mutex>;
+using ansicolor_stderr_sink_st = ansicolor_sink<details::console_stderr, details::console_nullmutex>;
+
+} // namespace sinks
+
+} // namespace spdlog
diff --git a/include/spdlog/sinks/base_sink.h b/include/spdlog/sinks/base_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..22595182b3168c6ca1c4da025f48e18fc57c4e5c
--- /dev/null
+++ b/include/spdlog/sinks/base_sink.h
@@ -0,0 +1,69 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// 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/formatter.h"
+#include "spdlog/sinks/sink.h"
+
+namespace spdlog {
+namespace sinks {
+template<typename Mutex>
+class base_sink : public sink
+{
+public:
+ base_sink() = default;
+ base_sink(const base_sink &) = delete;
+ base_sink &operator=(const base_sink &) = delete;
+
+ void log(const details::log_msg &msg) final
+ {
+ std::lock_guard<Mutex> lock(mutex_);
+ sink_it_(msg);
+ }
+
+ void flush() final
+ {
+ std::lock_guard<Mutex> lock(mutex_);
+ flush_();
+ }
+
+ void set_pattern(const std::string &pattern) final
+ {
+ std::lock_guard<Mutex> lock(mutex_);
+ set_pattern_(pattern);
+ }
+
+ void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) final
+ {
+ std::lock_guard<Mutex> lock(mutex_);
+ set_formatter_(std::move(sink_formatter));
+ }
+
+protected:
+ virtual void sink_it_(const details::log_msg &msg) = 0;
+ virtual void flush_() = 0;
+
+ virtual void set_pattern_(const std::string &pattern)
+ {
+ set_formatter_(details::make_unique<spdlog::pattern_formatter>(pattern));
+ }
+
+ virtual void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter)
+ {
+ formatter_ = std::move(sink_formatter);
+ }
+ Mutex mutex_;
+};
+} // namespace sinks
+} // namespace spdlog
diff --git a/include/spdlog/sinks/basic_file_sink.h b/include/spdlog/sinks/basic_file_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..facc7209a4ac653a72e1fb575457112f9ab57b7d
--- /dev/null
+++ b/include/spdlog/sinks/basic_file_sink.h
@@ -0,0 +1,75 @@
+//
+// Copyright(c) 2015-2018 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "spdlog/details/file_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/sinks/base_sink.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)
+ {
+ file_helper_.open(filename, truncate);
+ }
+
+ const filename_t &filename() const
+ {
+ return file_helper_.filename();
+ }
+
+protected:
+ void sink_it_(const details::log_msg &msg) override
+ {
+ fmt::memory_buffer formatted;
+ sink::formatter_->format(msg, formatted);
+ file_helper_.write(formatted);
+ }
+
+ void flush_() override
+ {
+ file_helper_.flush();
+ }
+
+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 = default_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 = default_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
diff --git a/include/spdlog/sinks/daily_file_sink.h b/include/spdlog/sinks/daily_file_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..08392c16ee9e63fa18b3a6ad0472a0ed62e34506
--- /dev/null
+++ b/include/spdlog/sinks/daily_file_sink.h
@@ -0,0 +1,141 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "spdlog/details/file_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/fmt/fmt.h"
+#include "spdlog/sinks/base_sink.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);
+ std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
+ fmt::format_to(
+ w, SPDLOG_FILENAME_T("{}_{:04d}-{:02d}-{:02d}{}"), basename, now_tm.tm_year + 1900, now_tm.tm_mon + 1, now_tm.tm_mday, ext);
+ return fmt::to_string(w);
+ }
+};
+
+/*
+ * Rotating file sink based on date. rotates at midnight
+ */
+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)
+ : base_filename_(std::move(base_filename))
+ , rotation_h_(rotation_hour)
+ , rotation_m_(rotation_minute)
+ , truncate_(truncate)
+ {
+ if (rotation_hour < 0 || rotation_hour > 23 || rotation_minute < 0 || rotation_minute > 59)
+ {
+ throw spdlog_ex("daily_file_sink: Invalid rotation time in ctor");
+ }
+ auto now = log_clock::now();
+ file_helper_.open(FileNameCalc::calc_filename(base_filename_, now_tm(now)), truncate_);
+ rotation_tp_ = next_rotation_tp_();
+ }
+
+ const filename_t &filename() const
+ {
+ return file_helper_.filename();
+ }
+
+protected:
+ void sink_it_(const details::log_msg &msg) override
+ {
+
+ if (msg.time >= rotation_tp_)
+ {
+ file_helper_.open(FileNameCalc::calc_filename(base_filename_, now_tm(msg.time)), truncate_);
+ rotation_tp_ = next_rotation_tp_();
+ }
+ fmt::memory_buffer formatted;
+ sink::formatter_->format(msg, formatted);
+ file_helper_.write(formatted);
+ }
+
+ 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)};
+ }
+
+ filename_t base_filename_;
+ int rotation_h_;
+ int rotation_m_;
+ log_clock::time_point rotation_tp_;
+ details::file_helper file_helper_;
+ bool truncate_;
+};
+
+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 = default_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 = default_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
diff --git a/include/spdlog/sinks/dist_sink.h b/include/spdlog/sinks/dist_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..44de3913f34fc75d80fd66151eea20c4de582bdf
--- /dev/null
+++ b/include/spdlog/sinks/dist_sink.h
@@ -0,0 +1,94 @@
+//
+// Copyright (c) 2015 David Schury, Gabi Melman
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "base_sink.h"
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/null_mutex.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);
+ }
+
+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
diff --git a/include/spdlog/sinks/msvc_sink.h b/include/spdlog/sinks/msvc_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..f06c16c7508eec80f63d308481af62bdb9db70ca
--- /dev/null
+++ b/include/spdlog/sinks/msvc_sink.h
@@ -0,0 +1,54 @@
+//
+// Copyright(c) 2016 Alexander Dalshov.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#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
+ {
+
+ fmt::memory_buffer formatted;
+ sink::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
diff --git a/include/spdlog/sinks/null_sink.h b/include/spdlog/sinks/null_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..54f322c45f121023996852b7242a9883bc8aa35d
--- /dev/null
+++ b/include/spdlog/sinks/null_sink.h
@@ -0,0 +1,49 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/sinks/base_sink.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<std::mutex>;
+using null_sink_st = null_sink<details::null_mutex>;
+
+} // namespace sinks
+
+template<typename Factory = default_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 = default_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
diff --git a/include/spdlog/sinks/ostream_sink.h b/include/spdlog/sinks/ostream_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..22e377b6ef55b5895e203043288d4196dfcb4510
--- /dev/null
+++ b/include/spdlog/sinks/ostream_sink.h
@@ -0,0 +1,57 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#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
+ {
+ fmt::memory_buffer formatted;
+ sink::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
diff --git a/include/spdlog/sinks/rotating_file_sink.h b/include/spdlog/sinks/rotating_file_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..ae0f70f6828e334c86e83f85f70e07efa2abee3b
--- /dev/null
+++ b/include/spdlog/sinks/rotating_file_sink.h
@@ -0,0 +1,164 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "spdlog/details/file_helper.h"
+#include "spdlog/details/null_mutex.h"
+#include "spdlog/fmt/fmt.h"
+#include "spdlog/sinks/base_sink.h"
+
+#include <cerrno>
+#include <chrono>
+#include <ctime>
+#include <mutex>
+#include <string>
+#include <tuple>
+
+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)
+ : 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".
+ static filename_t calc_filename(const filename_t &filename, std::size_t index)
+ {
+ typename std::conditional<std::is_same<filename_t::value_type, char>::value, fmt::memory_buffer, fmt::wmemory_buffer>::type w;
+ if (index != 0u)
+ {
+ filename_t basename, ext;
+ std::tie(basename, ext) = details::file_helper::split_by_extension(filename);
+ fmt::format_to(w, SPDLOG_FILENAME_T("{}.{}{}"), basename, index, ext);
+ }
+ else
+ {
+ fmt::format_to(w, SPDLOG_FILENAME_T("{}"), filename);
+ }
+ return fmt::to_string(w);
+ }
+
+ const filename_t &filename() const
+ {
+ return file_helper_.filename();
+ }
+
+protected:
+ void sink_it_(const details::log_msg &msg) override
+ {
+ fmt::memory_buffer formatted;
+ sink::formatter_->format(msg, formatted);
+ current_size_ += formatted.size();
+ if (current_size_ > max_size_)
+ {
+ rotate_();
+ current_size_ = formatted.size();
+ }
+ file_helper_.write(formatted);
+ }
+
+ void flush_() override
+ {
+ file_helper_.flush();
+ }
+
+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_()
+ {
+ 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;
+ 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.
+ bool 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;
+ }
+
+ 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 = default_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 = default_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
diff --git a/include/spdlog/sinks/sink.h b/include/spdlog/sinks/sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..d83252333c515e63fd57b4d033d7193215bab795
--- /dev/null
+++ b/include/spdlog/sinks/sink.h
@@ -0,0 +1,54 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#include "spdlog/details/log_msg.h"
+#include "spdlog/details/pattern_formatter.h"
+#include "spdlog/formatter.h"
+
+namespace spdlog {
+namespace sinks {
+class sink
+{
+public:
+ sink() = default;
+
+ explicit sink(std::unique_ptr<spdlog::formatter> formatter)
+ : formatter_{std::move(formatter)}
+ {
+ }
+
+ 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;
+
+ bool should_log(level::level_enum msg_level) const
+ {
+ return msg_level >= level_.load(std::memory_order_relaxed);
+ }
+
+ void set_level(level::level_enum log_level)
+ {
+ level_.store(log_level);
+ }
+
+ level::level_enum level() const
+ {
+ return static_cast<spdlog::level::level_enum>(level_.load(std::memory_order_relaxed));
+ }
+
+protected:
+ // sink log level - default is all
+ level_t level_{level::trace};
+
+ // sink formatter - default is full format
+ std::unique_ptr<spdlog::formatter> formatter_{details::make_unique<spdlog::pattern_formatter>()};
+};
+
+} // namespace sinks
+} // namespace spdlog
diff --git a/include/spdlog/sinks/stdout_color_sinks.h b/include/spdlog/sinks/stdout_color_sinks.h
new file mode 100644
index 0000000000000000000000000000000000000000..5accda4474186525abdba6a1f371b805fbdfd399
--- /dev/null
+++ b/include/spdlog/sinks/stdout_color_sinks.h
@@ -0,0 +1,56 @@
+//
+// Copyright(c) 2018 spdlog
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#ifdef _WIN32
+#include "spdlog/sinks/wincolor_sink.h"
+#else
+#include "spdlog/sinks/ansicolor_sink.h"
+#endif
+
+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 = default_factory>
+inline std::shared_ptr<logger> stdout_color_mt(const std::string &logger_name)
+{
+ return Factory::template create<sinks::stdout_color_sink_mt>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stdout_color_st(const std::string &logger_name)
+{
+ return Factory::template create<sinks::stdout_color_sink_st>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stderr_color_mt(const std::string &logger_name)
+{
+ return Factory::template create<sinks::stderr_color_sink_mt>(logger_name);
+}
+
+template<typename Factory = default_factory>
+inline std::shared_ptr<logger> stderr_color_st(const std::string &logger_name)
+{
+ return Factory::template create<sinks::stderr_color_sink_st>(logger_name);
+}
+} // namespace spdlog
diff --git a/include/spdlog/sinks/stdout_sinks.h b/include/spdlog/sinks/stdout_sinks.h
new file mode 100644
index 0000000000000000000000000000000000000000..bf8e9790893e649ff7f53939596cfdca38ecd1ec
--- /dev/null
+++ b/include/spdlog/sinks/stdout_sinks.h
@@ -0,0 +1,102 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "spdlog/details/console_globals.h"
+#include "spdlog/details/null_mutex.h"
+
+#include <cstdio>
+#include <memory>
+#include <mutex>
+
+namespace spdlog {
+
+namespace sinks {
+
+template<typename TargetStream, typename ConsoleMutex>
+class stdout_sink final : public sink
+{
+public:
+ using mutex_t = typename ConsoleMutex::mutex_t;
+ stdout_sink()
+ : mutex_(ConsoleMutex::mutex())
+ , file_(TargetStream::stream())
+ {
+ }
+ ~stdout_sink() override = default;
+
+ stdout_sink(const stdout_sink &other) = delete;
+ stdout_sink &operator=(const stdout_sink &other) = delete;
+
+ void log(const details::log_msg &msg) override
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ fmt::memory_buffer formatted;
+ formatter_->format(msg, formatted);
+ fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
+ fflush(TargetStream::stream());
+ }
+
+ void flush() override
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ fflush(file_);
+ }
+
+ void set_pattern(const std::string &pattern) override
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
+ }
+
+ void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ formatter_ = std::move(sink_formatter);
+ }
+
+private:
+ mutex_t &mutex_;
+ FILE *file_;
+};
+
+using stdout_sink_mt = stdout_sink<details::console_stdout, details::console_mutex>;
+using stdout_sink_st = stdout_sink<details::console_stdout, details::console_nullmutex>;
+
+using stderr_sink_mt = stdout_sink<details::console_stderr, details::console_mutex>;
+using stderr_sink_st = stdout_sink<details::console_stderr, details::console_nullmutex>;
+
+} // namespace sinks
+
+// factory methods
+template<typename Factory = default_factory>
+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 = default_factory>
+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 = default_factory>
+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 = default_factory>
+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
diff --git a/include/spdlog/sinks/syslog_sink.h b/include/spdlog/sinks/syslog_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..c3bcd844af770e2d7c2404d6087f04885980e1d9
--- /dev/null
+++ b/include/spdlog/sinks/syslog_sink.h
@@ -0,0 +1,94 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#include "spdlog/sinks/base_sink.h"
+
+#include <array>
+#include <string>
+#include <syslog.h>
+
+namespace spdlog {
+namespace sinks {
+/**
+ * Sink that write to syslog using the `syscall()` library call.
+ *
+ * Locking is not needed, as `syslog()` itself is thread-safe.
+ */
+template<typename Mutex>
+class syslog_sink : public base_sink<Mutex>
+{
+public:
+ //
+ explicit syslog_sink(std::string ident = "", int syslog_option = 0, int syslog_facility = LOG_USER)
+ : ident_(std::move(ident))
+ {
+ priorities_[static_cast<size_t>(level::trace)] = LOG_DEBUG;
+ priorities_[static_cast<size_t>(level::debug)] = LOG_DEBUG;
+ priorities_[static_cast<size_t>(level::info)] = LOG_INFO;
+ priorities_[static_cast<size_t>(level::warn)] = LOG_WARNING;
+ priorities_[static_cast<size_t>(level::err)] = LOG_ERR;
+ priorities_[static_cast<size_t>(level::critical)] = LOG_CRIT;
+ priorities_[static_cast<size_t>(level::off)] = LOG_INFO;
+
+ // 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
+ {
+ ::syslog(syslog_prio_from_level(msg), "%s", fmt::to_string(msg.payload).c_str());
+ }
+
+ void flush_() override {}
+
+private:
+ std::array<int, 7> priorities_;
+ // 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 priorities_[static_cast<size_t>(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 = (1 << 3))
+{
+ return Factory::template create<sinks::syslog_sink_mt>(logger_name, syslog_ident, syslog_option, syslog_facility);
+}
+
+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 = (1 << 3))
+{
+ return Factory::template create<sinks::syslog_sink_st>(logger_name, syslog_ident, syslog_option, syslog_facility);
+}
+} // namespace spdlog
diff --git a/include/spdlog/sinks/wincolor_sink.h b/include/spdlog/sinks/wincolor_sink.h
new file mode 100644
index 0000000000000000000000000000000000000000..1fdf8c566f25ecfccec71a91f2c015f7a3454a10
--- /dev/null
+++ b/include/spdlog/sinks/wincolor_sink.h
@@ -0,0 +1,143 @@
+//
+// Copyright(c) 2016 spdlog
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#ifndef SPDLOG_H
+#include "spdlog/spdlog.h"
+#endif
+
+#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 OutHandle, 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()
+ : out_handle_(OutHandle::handle())
+ , mutex_(ConsoleMutex::mutex())
+ {
+ 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;
+ }
+
+ ~wincolor_sink() override
+ {
+ this->flush();
+ }
+
+ 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)
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ colors_[level] = color;
+ }
+
+ void log(const details::log_msg &msg) final override
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ fmt::memory_buffer formatted;
+ formatter_->format(msg, formatted);
+ if (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_console_attribs(colors_[msg.level]);
+ print_range_(formatted, msg.color_range_start, msg.color_range_end);
+ ::SetConsoleTextAttribute(out_handle_,
+ orig_attribs); // reset to orig colors
+ // after color range
+ print_range_(formatted, msg.color_range_end, formatted.size());
+ }
+ else // print without colors if color range is invalid
+ {
+ print_range_(formatted, 0, formatted.size());
+ }
+ }
+
+ void flush() final override
+ {
+ // windows console always flushed?
+ }
+
+ void set_pattern(const std::string &pattern) override final
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
+ }
+
+ void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override final
+ {
+ std::lock_guard<mutex_t> lock(mutex_);
+ formatter_ = std::move(sink_formatter);
+ }
+
+private:
+ using mutex_t = typename ConsoleMutex::mutex_t;
+ // set color and return the orig console attributes (for resetting later)
+ WORD set_console_attribs(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
+ void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
+ {
+ auto size = static_cast<DWORD>(end - start);
+ ::WriteConsoleA(out_handle_, formatted.data() + start, size, nullptr, nullptr);
+ }
+
+ HANDLE out_handle_;
+ mutex_t &mutex_;
+ std::unordered_map<level::level_enum, WORD, level::level_hasher> colors_;
+};
+
+using wincolor_stdout_sink_mt = wincolor_sink<details::console_stdout, details::console_mutex>;
+using wincolor_stdout_sink_st = wincolor_sink<details::console_stdout, details::console_nullmutex>;
+
+using wincolor_stderr_sink_mt = wincolor_sink<details::console_stderr, details::console_mutex>;
+using wincolor_stderr_sink_st = wincolor_sink<details::console_stderr, details::console_nullmutex>;
+
+} // namespace sinks
+} // namespace spdlog
diff --git a/include/spdlog/spdlog.h b/include/spdlog/spdlog.h
new file mode 100644
index 0000000000000000000000000000000000000000..20ff24be55f1f2f42d19ee988ffd24c113aaea0e
--- /dev/null
+++ b/include/spdlog/spdlog.h
@@ -0,0 +1,366 @@
+//
+// Copyright(c) 2015-2018 Gabi Melman.
+// 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 <chrono>
+#include <functional>
+#include <memory>
+#include <string>
+
+namespace spdlog {
+
+// Default logger factory- creates synchronous loggers
+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<logger>(std::move(logger_name), std::move(sink));
+ details::registry::instance().initialize_logger(new_logger);
+ return new_logger;
+ }
+};
+
+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)...);
+}
+
+// Return an existing logger or nullptr if a logger with such name doesn't
+// exist.
+// example: spdlog::get("my_logger")->info("hello {}", "world");
+inline std::shared_ptr<logger> get(const std::string &name)
+{
+ return details::registry::instance().get(name);
+}
+
+// Set global formatter. Each sink in each logger will get a clone of this object
+inline void set_formatter(std::unique_ptr<spdlog::formatter> formatter)
+{
+ details::registry::instance().set_formatter(std::move(formatter));
+}
+
+// Set global format string.
+// example: spdlog::set_pattern("%Y-%m-%d %H:%M:%S.%e %l : %v");
+inline void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local)
+{
+ set_formatter(std::unique_ptr<spdlog::formatter>(new pattern_formatter(std::move(pattern), time_type)));
+}
+
+// Set global logging level
+inline void set_level(level::level_enum log_level)
+{
+ details::registry::instance().set_level(log_level);
+}
+
+// Set global flush level
+inline void flush_on(level::level_enum log_level)
+{
+ details::registry::instance().flush_on(log_level);
+}
+
+// Start/Restart a periodic flusher thread
+// Warning: Use only if all your loggers are thread safe!
+inline void flush_every(std::chrono::seconds interval)
+{
+ details::registry::instance().flush_every(interval);
+}
+
+// Set global error handler
+inline void set_error_handler(log_err_handler handler)
+{
+ details::registry::instance().set_error_handler(std::move(handler));
+}
+
+// Register the given logger with the given name
+inline void register_logger(std::shared_ptr<logger> logger)
+{
+ details::registry::instance().register_logger(std::move(logger));
+}
+
+// Apply a user defined function on all registered loggers
+// Example:
+// spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) {l->flush();});
+inline void apply_all(const std::function<void(std::shared_ptr<logger>)> &fun)
+{
+ details::registry::instance().apply_all(fun);
+}
+
+// Drop the reference to the given logger
+inline void drop(const std::string &name)
+{
+ details::registry::instance().drop(name);
+}
+
+// Drop all references from the registry
+inline void drop_all()
+{
+ details::registry::instance().drop_all();
+}
+
+// stop any running threads started by spdlog and clean registry loggers
+inline void shutdown()
+{
+ details::registry::instance().shutdown();
+}
+
+// Automatic registration of loggers when using spdlog::create() or spdlog::create_async
+inline void set_automatic_registration(bool automatic_registation)
+{
+ details::registry::instance().set_automatic_registration(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.
+
+inline std::shared_ptr<spdlog::logger> default_logger()
+{
+ return details::registry::instance().default_logger();
+}
+
+inline spdlog::logger *default_logger_raw()
+{
+ return details::registry::instance().get_default_raw();
+}
+
+inline void set_default_logger(std::shared_ptr<spdlog::logger> default_logger)
+{
+ details::registry::instance().set_default_logger(std::move(default_logger));
+}
+
+template<typename... Args>
+inline void log(source_loc source, level::level_enum lvl, const char *fmt, const Args &... args)
+{
+ default_logger_raw()->log(source, lvl, fmt, args...);
+}
+
+template<typename... Args>
+inline void log(level::level_enum lvl, const char *fmt, const Args &... args)
+{
+ default_logger_raw()->log(source_loc{}, lvl, fmt, args...);
+}
+
+template<typename... Args>
+inline void trace(const char *fmt, const Args &... args)
+{
+ default_logger_raw()->trace(fmt, args...);
+}
+
+template<typename... Args>
+inline void debug(const char *fmt, const Args &... args)
+{
+ default_logger_raw()->debug(fmt, args...);
+}
+
+template<typename... Args>
+inline void info(const char *fmt, const Args &... args)
+{
+ default_logger_raw()->info(fmt, args...);
+}
+
+template<typename... Args>
+inline void warn(const char *fmt, const Args &... args)
+{
+ default_logger_raw()->warn(fmt, args...);
+}
+
+template<typename... Args>
+inline void error(const char *fmt, const Args &... args)
+{
+ default_logger_raw()->error(fmt, args...);
+}
+
+template<typename... Args>
+inline void critical(const char *fmt, const Args &... args)
+{
+ default_logger_raw()->critical(fmt, args...);
+}
+
+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(level::level_enum lvl, const wchar_t *fmt, const Args &... args)
+{
+ default_logger_raw()->log(lvl, fmt, args...);
+}
+
+template<typename... Args>
+inline void trace(const wchar_t *fmt, const Args &... args)
+{
+ default_logger_raw()->trace(fmt, args...);
+}
+
+template<typename... Args>
+inline void debug(const wchar_t *fmt, const Args &... args)
+{
+ default_logger_raw()->debug(fmt, args...);
+}
+
+template<typename... Args>
+inline void info(const wchar_t *fmt, const Args &... args)
+{
+ default_logger_raw()->info(fmt, args...);
+}
+
+template<typename... Args>
+inline void warn(const wchar_t *fmt, const Args &... args)
+{
+ default_logger_raw()->warn(fmt, args...);
+}
+
+template<typename... Args>
+inline void error(const wchar_t *fmt, const Args &... args)
+{
+ default_logger_raw()->error(fmt, args...);
+}
+
+template<typename... Args>
+inline void critical(const wchar_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, ...) \
+ if (logger->should_log(level)) \
+ logger->log(spdlog::source_loc{SPDLOG_FILE_BASENAME(__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
+
+#endif // SPDLOG_H
diff --git a/include/spdlog/tweakme.h b/include/spdlog/tweakme.h
new file mode 100644
index 0000000000000000000000000000000000000000..dfcb09d2582b71964ac660f124f0f1a54b10a3b4
--- /dev/null
+++ b/include/spdlog/tweakme.h
@@ -0,0 +1,152 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// 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 enable the SPDLOG_DEBUG/SPDLOG_TRACE macros.
+//
+// #define SPDLOG_DEBUG_ON
+// #define SPDLOG_TRACE_ON
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// 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 enable message counting feature.
+// Use the %i in the logger pattern to display log message sequence id.
+//
+// #define SPDLOG_ENABLE_MESSAGE_COUNTER
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+// 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__
+///////////////////////////////////////////////////////////////////////////////
diff --git a/include/spdlog/version.h b/include/spdlog/version.h
new file mode 100644
index 0000000000000000000000000000000000000000..87a68bd18cbfca468d4bb4fb5443cebe11585095
--- /dev/null
+++ b/include/spdlog/version.h
@@ -0,0 +1,12 @@
+//
+// Copyright(c) 2015 Gabi Melman.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+//
+
+#pragma once
+
+#define SPDLOG_VER_MAJOR 1
+#define SPDLOG_VER_MINOR 3
+#define SPDLOG_VER_PATCH 1
+
+#define SPDLOG_VERSION (SPDLOG_VER_MAJOR * 10000 + SPDLOG_VER_MINOR * 100 + SPDLOG_VER_PATCH)
diff --git a/include/usgscsm/UsgsAstroFrameSensorModel.h b/include/usgscsm/UsgsAstroFrameSensorModel.h
index 413284324927d28d2701a709dfb30c558a381cb1..28e3e25fc6eb990ed2b4ce5b8084c9043f16ceb2 100644
--- a/include/usgscsm/UsgsAstroFrameSensorModel.h
+++ b/include/usgscsm/UsgsAstroFrameSensorModel.h
@@ -10,7 +10,11 @@
#include "Distortion.h"
#include "Utilities.h"
-#include <json.hpp>
+#include "spdlog/spdlog.h"
+#include "spdlog/sinks/basic_file_sink.h"
+
+#include <json/json.hpp>
+
using json = nlohmann::json;
@@ -57,7 +61,7 @@ class UsgsAstroFrameSensorModel : public csm::RasterGM {
* @return @b vector<double> Returns the body-fixed X,Y,Z coordinates of the intersection.
* If no intersection, returns a 3-element vector of 0's.
*/
- virtual csm::EcefCoord imageToGround(const csm::ImageCoord &imagePt, double height,
+ virtual csm::EcefCoord imageToGround(const csm::ImageCoord &imagePt, double height = 0.0,
double desiredPrecision=0.001, double *achievedPrecision=NULL,
csm::WarningList *warnings=NULL) const;
@@ -308,6 +312,7 @@ class UsgsAstroFrameSensorModel : public csm::RasterGM {
const GeometricModel &comparisonModel,
csm::param::Set pSet = csm::param::VALID,
const GeometricModelList &otherModels = GeometricModelList()) const;
+ virtual std::shared_ptr<spdlog::logger> getLogger();
static const std::string _SENSOR_MODEL_NAME;
@@ -359,6 +364,9 @@ class UsgsAstroFrameSensorModel : public csm::RasterGM {
csm::EcefCoord m_referencePointXyz;
+ std::string m_logFile;
+ std::shared_ptr<spdlog::logger> m_logger;
+
json _state;
static const int _NUM_STATE_KEYWORDS;
static const int NUM_PARAMETERS;
diff --git a/include/usgscsm/UsgsAstroPlugin.h b/include/usgscsm/UsgsAstroPlugin.h
index 8789106f3c83fc343a50bbeec6921d21b7be8821..acdad1a81a846c8f20a7ad8d9b73e5eb99de0cf4 100644
--- a/include/usgscsm/UsgsAstroPlugin.h
+++ b/include/usgscsm/UsgsAstroPlugin.h
@@ -7,7 +7,7 @@
#include <Plugin.h>
#include <Version.h>
-#include <json.hpp>
+#include <json/json.hpp>
using json = nlohmann::json;
class UsgsAstroPlugin : public csm::Plugin {
diff --git a/include/usgscsm/Utilities.h b/include/usgscsm/Utilities.h
index 70ffd3ef752aa193a67d8e6853cacc6706f761f7..3a94c73a3a7551720291114fc37987cc62fc7596 100644
--- a/include/usgscsm/Utilities.h
+++ b/include/usgscsm/Utilities.h
@@ -8,7 +8,7 @@
#include <tuple>
#include <string>
-#include <json.hpp>
+#include <json/json.hpp>
#include <Warning.h>
@@ -60,6 +60,7 @@ std::string getSensorModelName(nlohmann::json isd, csm::WarningList *list=nullpt
std::string getImageId(nlohmann::json isd, csm::WarningList *list=nullptr);
std::string getSensorName(nlohmann::json isd, csm::WarningList *list=nullptr);
std::string getPlatformName(nlohmann::json isd, csm::WarningList *list=nullptr);
+std::string getLogFile(nlohmann::json isd, csm::WarningList *list=nullptr);
int getTotalLines(nlohmann::json isd, csm::WarningList *list=nullptr);
int getTotalSamples(nlohmann::json isd, csm::WarningList *list=nullptr);
double getStartingTime(nlohmann::json isd, csm::WarningList *list=nullptr);
diff --git a/src/ORexSensorModel.cpp b/src/ORexSensorModel.cpp
index 151c7b4e014bcf09044edbd27e4ab3a602d10cd3..6b82862c0710ccfdeb1fd71ad59d6caf6dbb75d6 100644
--- a/src/ORexSensorModel.cpp
+++ b/src/ORexSensorModel.cpp
@@ -5,7 +5,7 @@
#include <sstream>
#include <Error.h>
-#include <json/json.hpp>
+#include <json/json/json.hpp>
using json = nlohmann::json;
using namespace std;
diff --git a/src/UsgsAstroFrameSensorModel.cpp b/src/UsgsAstroFrameSensorModel.cpp
index 843a2367b5c622e1a69e5b6ea5c1800f6e611425..1a5116e4bcc15494f17ead32f1a75aa0c9b82797 100644
--- a/src/UsgsAstroFrameSensorModel.cpp
+++ b/src/UsgsAstroFrameSensorModel.cpp
@@ -4,11 +4,13 @@
#include <iostream>
#include <sstream>
-#include <json.hpp>
+#include <json/json.hpp>
#include <Error.h>
#include <Version.h>
+#define MESSAGE_LOG(logger, ...) if (logger) { logger->info(__VA_ARGS__); }
+
using json = nlohmann::json;
using namespace std;
@@ -57,6 +59,9 @@ void UsgsAstroFrameSensorModel::reset() {
m_currentParameterValue = std::vector<double>(NUM_PARAMETERS, 0.0);
m_currentParameterCovariance = std::vector<double>(NUM_PARAMETERS*NUM_PARAMETERS,0.0);
+ for (int i = 0; i < NUM_PARAMETERS*NUM_PARAMETERS; i += NUM_PARAMETERS+1) {
+ m_currentParameterCovariance[i] = 1;
+ }
m_noAdjustments = std::vector<double>(NUM_PARAMETERS,0.0);
m_ccdCenter = std::vector<double>(2, 0.0);
m_spacecraftVelocity = std::vector<double>(3, 0.0);
@@ -72,6 +77,8 @@ void UsgsAstroFrameSensorModel::reset() {
m_referencePointXyz.x = 0;
m_referencePointXyz.y = 0;
m_referencePointXyz.z = 0;
+ m_logFile = "";
+ m_logger.reset();
}
@@ -90,6 +97,8 @@ csm::ImageCoord UsgsAstroFrameSensorModel::groundToImage(const csm::EcefCoord &g
double desiredPrecision,
double *achievedPrecision,
csm::WarningList *warnings) const {
+ MESSAGE_LOG(this->m_logger, "Computeing groundToImage(No adjustments) for {}, {}, {}, with desired precision {}",
+ groundPt.x, groundPt.y, groundPt.z, desiredPrecision);
return groundToImage(groundPt, m_noAdjustments, desiredPrecision, achievedPrecision, warnings);
}
@@ -112,6 +121,9 @@ csm::ImageCoord UsgsAstroFrameSensorModel::groundToImage(
double* achieved_precision,
csm::WarningList* warnings ) const {
+ MESSAGE_LOG(this->m_logger, "Computeing groundToImage for {}, {}, {}, with desired precision {}",
+ groundPt.x, groundPt.y, groundPt.z, desired_precision);
+
double x = groundPt.x;
double y = groundPt.y;
double z = groundPt.z;
@@ -152,7 +164,8 @@ csm::ImageCoordCovar UsgsAstroFrameSensorModel::groundToImage(const csm::EcefCoo
double desiredPrecision,
double *achievedPrecision,
csm::WarningList *warnings) const {
-
+ MESSAGE_LOG(this->m_logger, "Computeing groundToImage(Covar) for {}, {}, {}, with desired precision {}",
+ groundPt.x, groundPt.y, groundPt.z, desiredPrecision);
csm::EcefCoord gp;
gp.x = groundPt.x;
gp.y = groundPt.y;
@@ -173,12 +186,17 @@ csm::EcefCoord UsgsAstroFrameSensorModel::imageToGround(const csm::ImageCoord &i
double *achievedPrecision,
csm::WarningList *warnings) const {
+ MESSAGE_LOG(this->m_logger, "Computeing imageToGround for {}, {}, {}, with desired precision {}",
+ imagePt.line, imagePt.samp, height, desiredPrecision);
+
double sample = imagePt.samp;
double line = imagePt.line;
// Here is where we should be able to apply an adjustment to opk
double m[3][3];
calcRotationMatrix(m);
+ MESSAGE_LOG(this->m_logger, "Calculated rotation matrix [{}, {}, {}], [{}, {}, {}], [{}, {}, {}]",
+ m[0][0], m[0][1], m[0][2], m[1][0], m[1][1], m[1][2], m[2][0], m[2][1], m[2][2]);
// Apply the principal point offset, assuming the pp is given in pixels
double xl, yl, zl, lo, so;
@@ -197,20 +215,24 @@ csm::EcefCoord UsgsAstroFrameSensorModel::imageToGround(const csm::ImageCoord &i
removeDistortion(x_camera, y_camera, undistortedX, undistortedY,
m_opticalDistCoeffs,
m_distortionType);
+ MESSAGE_LOG(this->m_logger, "Found undistortedX: {}, and undistortedY: {}",
+ undistortedX, undistortedY);
// Now back from distorted mm to pixels
xl = m[0][0] * undistortedX + m[0][1] * undistortedY - m[0][2] * - m_focalLength;
yl = m[1][0] * undistortedX + m[1][1] * undistortedY - m[1][2] * - m_focalLength;
zl = m[2][0] * undistortedX + m[2][1] * undistortedY - m[2][2] * - m_focalLength;
+ MESSAGE_LOG(this->m_logger, "Compute xl, yl, zl as {}, {}, {}", xl, yl, zl);
- double x, y, z;
double xc, yc, zc;
xc = m_currentParameterValue[0];
yc = m_currentParameterValue[1];
zc = m_currentParameterValue[2];
+ MESSAGE_LOG(this->m_logger, "Set xc, yc, zc to {}, {}, {}",
+ m_currentParameterValue[0], m_currentParameterValue[1], m_currentParameterValue[2]);
// Intersect with some height about the ellipsoid.
-
+ double x, y, z;
losEllipsoidIntersect(height, xc, yc, zc, xl, yl, zl, x, y, z);
return csm::EcefCoord(x, y, z);
@@ -221,6 +243,9 @@ csm::EcefCoordCovar UsgsAstroFrameSensorModel::imageToGround(const csm::ImageCoo
double heightVariance, double desiredPrecision,
double *achievedPrecision,
csm::WarningList *warnings) const {
+
+ MESSAGE_LOG(this->m_logger, "Computeing imageToGround(Covar) for {}, {}, {}, with desired precision {}",
+ imagePt.line, imagePt.samp, height, desiredPrecision);
// This is an incomplete implementation to see if SocetGXP needs this method implemented.
csm::EcefCoordCovar result;
return result;
@@ -233,6 +258,8 @@ csm::EcefLocus UsgsAstroFrameSensorModel::imageToProximateImagingLocus(const csm
double *achievedPrecision,
csm::WarningList *warnings) const {
// Ignore the ground point?
+ MESSAGE_LOG(this->m_logger, "Computeing imageToProximateImagingLocus(No ground) for point {}, {}, {}, with desired precision {}",
+ imagePt.line, imagePt.samp, desiredPrecision);
return imageToRemoteImagingLocus(imagePt);
}
@@ -241,6 +268,8 @@ csm::EcefLocus UsgsAstroFrameSensorModel::imageToRemoteImagingLocus(const csm::I
double desiredPrecision,
double *achievedPrecision,
csm::WarningList *warnings) const {
+ MESSAGE_LOG(this->m_logger, "Computeing imageToProximateImagingLocus for {}, {}, {}, with desired precision {}",
+ imagePt.line, imagePt.samp, desiredPrecision);
// Find the line,sample on the focal plane (mm)
// CSM center = 0.5, MDIS IK center = 1.0
double row = imagePt.line - m_ccdCenter[0];
@@ -280,6 +309,8 @@ csm::EcefLocus UsgsAstroFrameSensorModel::imageToRemoteImagingLocus(const csm::I
csm::ImageCoord UsgsAstroFrameSensorModel::getImageStart() const {
+ MESSAGE_LOG(this->m_logger, "Accessing Image Start line: {}, sample: {}",
+ m_startingDetectorLine, m_startingDetectorSample);
csm::ImageCoord start;
start.samp = m_startingDetectorSample;
start.line = m_startingDetectorLine;
@@ -289,6 +320,8 @@ csm::ImageCoord UsgsAstroFrameSensorModel::getImageStart() const {
csm::ImageVector UsgsAstroFrameSensorModel::getImageSize() const {
+ MESSAGE_LOG(this->m_logger, "Accessing Image Size line: {}, sample: {}",
+ m_nLines, m_nSamples);
csm::ImageVector size;
size.line = m_nLines;
size.samp = m_nSamples;
@@ -297,6 +330,7 @@ csm::ImageVector UsgsAstroFrameSensorModel::getImageSize() const {
std::pair<csm::ImageCoord, csm::ImageCoord> UsgsAstroFrameSensorModel::getValidImageRange() const {
+ MESSAGE_LOG(this->m_logger, "Accessing Image Range");
csm::ImageCoord min_pt(m_startingDetectorLine, m_startingDetectorSample);
csm::ImageCoord max_pt(m_nLines, m_nSamples);
return std::pair<csm::ImageCoord, csm::ImageCoord>(min_pt, max_pt);
@@ -304,12 +338,16 @@ std::pair<csm::ImageCoord, csm::ImageCoord> UsgsAstroFrameSensorModel::getValidI
std::pair<double, double> UsgsAstroFrameSensorModel::getValidHeightRange() const {
+ MESSAGE_LOG(this->m_logger, "Accessing Image Height min: {}, max: {}",
+ m_minElevation, m_maxElevation);
return std::pair<double, double>(m_minElevation, m_maxElevation);
}
csm::EcefVector UsgsAstroFrameSensorModel::getIlluminationDirection(const csm::EcefCoord &groundPt) const {
// ground (body-fixed) - sun (body-fixed) gives us the illumination direction.
+ MESSAGE_LOG(this->m_logger, "Accessing illumination direction for ground point {}, {}, {}",
+ groundPt.x, groundPt.y, groundPt.z);
return csm::EcefVector {
groundPt.x - m_sunPosition[0],
groundPt.y - m_sunPosition[1],
@@ -319,7 +357,8 @@ csm::EcefVector UsgsAstroFrameSensorModel::getIlluminationDirection(const csm::E
double UsgsAstroFrameSensorModel::getImageTime(const csm::ImageCoord &imagePt) const {
-
+ MESSAGE_LOG(this->m_logger, "Accessing image time for image point {}, {}",
+ imagePt.line, imagePt.samp);
// check if the image point is in range
if (imagePt.samp >= m_startingDetectorSample &&
imagePt.samp <= (m_startingDetectorSample + m_nSamples) &&
@@ -336,7 +375,8 @@ double UsgsAstroFrameSensorModel::getImageTime(const csm::ImageCoord &imagePt) c
csm::EcefCoord UsgsAstroFrameSensorModel::getSensorPosition(const csm::ImageCoord &imagePt) const {
-
+ MESSAGE_LOG(this->m_logger, "Accessing sensor position for image point {}, {}",
+ imagePt.line, imagePt.samp);
// check if the image point is in range
if (imagePt.samp >= m_startingDetectorSample &&
imagePt.samp <= (m_startingDetectorSample + m_nSamples) &&
@@ -358,6 +398,7 @@ csm::EcefCoord UsgsAstroFrameSensorModel::getSensorPosition(const csm::ImageCoor
csm::EcefCoord UsgsAstroFrameSensorModel::getSensorPosition(double time) const {
+ MESSAGE_LOG(this->m_logger, "Accessing sensor position for time {}", time);
if (time == m_ephemerisTime){
csm::EcefCoord sensorPosition;
sensorPosition.x = m_currentParameterValue[0];
@@ -375,6 +416,8 @@ csm::EcefCoord UsgsAstroFrameSensorModel::getSensorPosition(double time) const {
csm::EcefVector UsgsAstroFrameSensorModel::getSensorVelocity(const csm::ImageCoord &imagePt) const {
+ MESSAGE_LOG(this->m_logger, "Accessing sensor velocity for image point {}, {}",
+ imagePt.line, imagePt.samp);
// Make sure the passed coordinate is with the image dimensions.
if (imagePt.samp < 0.0 || imagePt.samp > m_nSamples ||
imagePt.line < 0.0 || imagePt.line > m_nLines) {
@@ -392,6 +435,7 @@ csm::EcefVector UsgsAstroFrameSensorModel::getSensorVelocity(const csm::ImageCoo
csm::EcefVector UsgsAstroFrameSensorModel::getSensorVelocity(double time) const {
+ MESSAGE_LOG(this->m_logger, "Accessing sensor position for time {}", time);
if (time == m_ephemerisTime){
return csm::EcefVector {
m_spacecraftVelocity[0],
@@ -412,6 +456,8 @@ csm::RasterGM::SensorPartials UsgsAstroFrameSensorModel::computeSensorPartials(i
double desiredPrecision,
double *achievedPrecision,
csm::WarningList *warnings) const {
+ MESSAGE_LOG(this->m_logger, "Computing sensor partials image point from ground point {}, {}, {} \
+ and desiredPrecision: {}", groundPt.x, groundPt.y, groundPt.z, desiredPrecision);
csm::ImageCoord img_pt = groundToImage(groundPt, desiredPrecision, achievedPrecision);
@@ -440,7 +486,10 @@ csm::RasterGM::SensorPartials UsgsAstroFrameSensorModel::computeSensorPartials(i
double *achievedPrecision,
csm::WarningList *warnings) const {
-
+ MESSAGE_LOG(this->m_logger, "Computing sensor partials for ground point {}, {}, {}\
+ with point: {}, {}, index: {}, and desiredPrecision: {}",
+ groundPt.x, groundPt.y, groundPt.z, imagePt.line, imagePt.samp,
+ index, desiredPrecision);
const double delta = 1.0;
// Update the parameter
std::vector<double>adj(NUM_PARAMETERS, 0.0);
@@ -464,6 +513,10 @@ std::vector<csm::RasterGM::SensorPartials> UsgsAstroFrameSensorModel::computeAll
double desiredPrecision,
double *achievedPrecision,
csm::WarningList *warnings) const {
+ MESSAGE_LOG(this->m_logger, "Computing all sensor partials for ground point {}, {}, {}\
+ with point: {}, {}, pset: {}, and desiredPrecision: {}",
+ groundPt.x, groundPt.y, groundPt.z, imagePt.line, imagePt.samp,
+ pset, desiredPrecision);
std::vector<int> indices = getParameterSetIndices(pset);
size_t num = indices.size();
std::vector<csm::RasterGM::SensorPartials> partials;
@@ -482,6 +535,8 @@ std::vector<csm::RasterGM::SensorPartials> UsgsAstroFrameSensorModel::computeAll
double desiredPrecision,
double *achievedPrecision,
csm::WarningList *warnings) const {
+ MESSAGE_LOG(this->m_logger, "Computing all sensor partials image point from ground point {}, {}, {} \
+ and desiredPrecision: {}", groundPt.x, groundPt.y, groundPt.z, desiredPrecision);
csm::ImageCoord imagePt = groundToImage(groundPt,
desiredPrecision, achievedPrecision, warnings);
return computeAllSensorPartials(imagePt, groundPt,
@@ -490,6 +545,8 @@ std::vector<csm::RasterGM::SensorPartials> UsgsAstroFrameSensorModel::computeAll
std::vector<double> UsgsAstroFrameSensorModel::computeGroundPartials(const csm::EcefCoord
&groundPt) const {
+ MESSAGE_LOG(this->m_logger, "Computing ground partials for ground point {}, {}, {}",
+ groundPt.x, groundPt.y, groundPt.z);
// Partials of line, sample wrt X, Y, Z
// Uses collinearity equations
std::vector<double> partials(6, 0.0);
@@ -533,11 +590,15 @@ std::vector<double> UsgsAstroFrameSensorModel::computeGroundPartials(const csm::
partials[2] = -fdw * ( upz - udw * wpz );
partials[5] = -fdw * ( vpz - vdw * wpz );
+ MESSAGE_LOG(this->m_logger, "Computing ground partials result line: {}, sample: {}, wrt: {} and x: {}, y: {}, z: {}",
+ partials[0], partials[1], partials[2], partials[3], partials[4], partials[5]);
+
return partials;
}
const csm::CorrelationModel& UsgsAstroFrameSensorModel::getCorrelationModel() const {
+ MESSAGE_LOG(this->m_logger, "Accessing correlation model");
return _no_corr_model;
}
@@ -546,72 +607,88 @@ std::vector<double> UsgsAstroFrameSensorModel::getUnmodeledCrossCovariance(const
const csm::ImageCoord &pt2) const {
// No unmodeled error
+ MESSAGE_LOG(this->m_logger, "Accessing unmodeled cross covar with \
+ point1: {}, {} and point2: {}, {}",
+ pt1.line, pt1.samp, pt2.line, pt2.samp);
return std::vector<double>(4, 0.0);
}
csm::Version UsgsAstroFrameSensorModel::getVersion() const {
+ MESSAGE_LOG(this->m_logger, "Accessing CSM version");
return csm::Version(0,1,0);
}
std::string UsgsAstroFrameSensorModel::getModelName() const {
+ MESSAGE_LOG(this->m_logger, "Accessing CSM name {}", _SENSOR_MODEL_NAME);
return _SENSOR_MODEL_NAME;
}
std::string UsgsAstroFrameSensorModel::getPedigree() const {
+ MESSAGE_LOG(this->m_logger, "Accessing CSM pedigree");
return "USGS_FRAMER";
}
std::string UsgsAstroFrameSensorModel::getImageIdentifier() const {
+ MESSAGE_LOG(this->m_logger, "Accessing image ID {}", m_imageIdentifier);
return m_imageIdentifier;
}
void UsgsAstroFrameSensorModel::setImageIdentifier(const std::string& imageId,
csm::WarningList* warnings) {
+ MESSAGE_LOG(this->m_logger, "Setting image ID to {}", imageId);
m_imageIdentifier = imageId;
}
std::string UsgsAstroFrameSensorModel::getSensorIdentifier() const {
+ MESSAGE_LOG(this->m_logger, "Accessing sensor ID");
return m_sensorName;
}
std::string UsgsAstroFrameSensorModel::getPlatformIdentifier() const {
+ MESSAGE_LOG(this->m_logger, "Accessing platform ID");
return m_platformName;
}
std::string UsgsAstroFrameSensorModel::getCollectionIdentifier() const {
+ MESSAGE_LOG(this->m_logger, "Accessing collection ID");
return m_collectionIdentifier;
}
std::string UsgsAstroFrameSensorModel::getTrajectoryIdentifier() const {
+ MESSAGE_LOG(this->m_logger, "Accessing trajectory ID");
return "";
}
std::string UsgsAstroFrameSensorModel::getSensorType() const {
+ MESSAGE_LOG(this->m_logger, "Accessing sensor type");
return CSM_SENSOR_TYPE_EO;
}
std::string UsgsAstroFrameSensorModel::getSensorMode() const {
+ MESSAGE_LOG(this->m_logger, "Accessing sensor mode");
return CSM_SENSOR_MODE_FRAME;
}
std::string UsgsAstroFrameSensorModel::getReferenceDateAndTime() const {
+ MESSAGE_LOG(this->m_logger, "Accessing reference data and time");
return "";
}
std::string UsgsAstroFrameSensorModel::getModelState() const {
+ MESSAGE_LOG(this->m_logger, "Dumping model state");
json state = {
{"m_modelName", _SENSOR_MODEL_NAME},
{"m_sensorName", m_sensorName},
@@ -654,12 +731,14 @@ std::string UsgsAstroFrameSensorModel::getModelState() const {
{"m_referencePointXyz", {m_referencePointXyz.x,
m_referencePointXyz.y,
m_referencePointXyz.z}},
- {"m_currentParameterCovariance", m_currentParameterCovariance}
+ {"m_currentParameterCovariance", m_currentParameterCovariance},
+ {"m_logFile", m_logFile}
};
return state.dump();
}
bool UsgsAstroFrameSensorModel::isValidModelState(const std::string& stringState, csm::WarningList *warnings) {
+ MESSAGE_LOG(this->m_logger, "Checking if model has valid state");
std::vector<std::string> requiredKeywords = {
"m_modelName",
"m_majorAxis",
@@ -720,6 +799,7 @@ bool UsgsAstroFrameSensorModel::isValidIsd(const std::string& Isd, csm::WarningL
// or rather, it would be a pain to maintain, so just check if
// we can get a valid state from ISD. Once ISD schema is 100% clear
// we can change this.
+ MESSAGE_LOG(this->m_logger, "Building isd to check model state");
try {
std::string state = constructStateFromIsd(Isd, warnings);
return isValidModelState(state, warnings);
@@ -733,6 +813,7 @@ bool UsgsAstroFrameSensorModel::isValidIsd(const std::string& Isd, csm::WarningL
void UsgsAstroFrameSensorModel::replaceModelState(const std::string& stringState) {
json state = json::parse(stringState);
+ MESSAGE_LOG(this->m_logger, "Replaceing model state");
// The json library's .at() will except if key is missing
try {
m_modelName = state.at("m_modelName").get<std::string>();
@@ -758,11 +839,19 @@ void UsgsAstroFrameSensorModel::replaceModelState(const std::string& stringState
m_platformName = state.at("m_platformName").get<std::string>();
m_sensorName = state.at("m_sensorName").get<std::string>();
m_collectionIdentifier = state.at("m_collectionIdentifier").get<std::string>();
- std::vector<double> refpt = state.at("m_referencePointXyz").get<std::vector<double>>();
- m_referencePointXyz.x = refpt[0];
- m_referencePointXyz.y = refpt[1];
- m_referencePointXyz.z = refpt[2];
+ // Set reference point to the center of the image
+ m_referencePointXyz = imageToGround(csm::ImageCoord(m_nLines / 2.0, m_nSamples / 2.0));
m_currentParameterCovariance = state.at("m_currentParameterCovariance").get<std::vector<double>>();
+ m_logFile = state.at("m_logFile").get<std::string>();
+ if (m_logFile.empty()) {
+ m_logger.reset();
+ }
+ else {
+ m_logger = spdlog::get(m_logFile);
+ if (!m_logger) {
+ m_logger = spdlog::basic_logger_mt(m_logFile, m_logFile);
+ }
+ }
// Leaving unused params commented out
@@ -796,6 +885,7 @@ void UsgsAstroFrameSensorModel::replaceModelState(const std::string& stringState
std::string UsgsAstroFrameSensorModel::constructStateFromIsd(const std::string& jsonIsd, csm::WarningList* warnings) {
+ MESSAGE_LOG(this->m_logger, "Constructing state from isd");
json isd = json::parse(jsonIsd);
json state = {};
@@ -811,7 +901,7 @@ std::string UsgsAstroFrameSensorModel::constructStateFromIsd(const std::string&
// get focal length
state["m_focalLength"] = getFocalLength(isd, parsingWarnings);
- state["m_focalLengthEpsilon"] = getFocalLengthEpsilon(isd, parsingWarnings);
+ state["m_focalLengthEpsilon"] = getFocalLengthEpsilon(isd);
state["m_currentParameterValue"] = json();
@@ -919,8 +1009,14 @@ std::string UsgsAstroFrameSensorModel::constructStateFromIsd(const std::string&
state["m_referencePointXyz"] = std::vector<double>(3, 0.0);
state["m_currentParameterCovariance"] = std::vector<double>(NUM_PARAMETERS*NUM_PARAMETERS,0.0);
+ for (int i = 0; i < NUM_PARAMETERS*NUM_PARAMETERS; i += NUM_PARAMETERS+1) {
+ state["m_currentParameterCovariance"][i] = 1;
+ }
state["m_collectionIdentifier"] = "";
+ // Get the optional logging file
+ state["m_logFile"] = getLogFile(isd);
+
if (!parsingWarnings->empty()) {
if (warnings) {
@@ -942,27 +1038,33 @@ std::string UsgsAstroFrameSensorModel::constructStateFromIsd(const std::string&
csm::EcefCoord UsgsAstroFrameSensorModel::getReferencePoint() const {
+ MESSAGE_LOG(this->m_logger, "Accessing reference point x: {}, y: {}, z: {}",
+ m_referencePointXyz.x, m_referencePointXyz.y, m_referencePointXyz.z);
return m_referencePointXyz;
}
void UsgsAstroFrameSensorModel::setReferencePoint(const csm::EcefCoord &groundPt) {
+ MESSAGE_LOG(this->m_logger, "Setting reference point to {}, {}, {}",
+ groundPt.x, groundPt.y, groundPt.z);
m_referencePointXyz = groundPt;
}
int UsgsAstroFrameSensorModel::getNumParameters() const {
+ MESSAGE_LOG(this->m_logger, "Accessing num parameters: {}", NUM_PARAMETERS);
return NUM_PARAMETERS;
}
std::string UsgsAstroFrameSensorModel::getParameterName(int index) const {
+ MESSAGE_LOG(this->m_logger, "Setting parameter name to {}", index);
return m_parameterName[index];
}
std::string UsgsAstroFrameSensorModel::getParameterUnits(int index) const {
-
+ MESSAGE_LOG(this->m_logger, "Accessing parameter units for {}", index);
if (index < 3) {
return "m";
}
@@ -973,11 +1075,13 @@ std::string UsgsAstroFrameSensorModel::getParameterUnits(int index) const {
bool UsgsAstroFrameSensorModel::hasShareableParameters() const {
+ MESSAGE_LOG(this->m_logger, "Checking for shareable parameters");
return false;
}
bool UsgsAstroFrameSensorModel::isParameterShareable(int index) const {
+ MESSAGE_LOG(this->m_logger, "Checking is parameter: {} is shareable", index);
return false;
}
@@ -993,39 +1097,47 @@ csm::SharingCriteria UsgsAstroFrameSensorModel::getParameterSharingCriteria(int
double UsgsAstroFrameSensorModel::getParameterValue(int index) const {
+ MESSAGE_LOG(this->m_logger, "Accessing parameter value {} at index: {}", m_currentParameterValue[index], index);
return m_currentParameterValue[index];
}
void UsgsAstroFrameSensorModel::setParameterValue(int index, double value) {
+ MESSAGE_LOG(this->m_logger, "Setting parameter value: {} at index: {}", value, index);
m_currentParameterValue[index] = value;
}
csm::param::Type UsgsAstroFrameSensorModel::getParameterType(int index) const {
+ MESSAGE_LOG(this->m_logger, "Accessing parameter type: {} at index: {}", m_parameterType[index], index);
return m_parameterType[index];
}
void UsgsAstroFrameSensorModel::setParameterType(int index, csm::param::Type pType) {
+ MESSAGE_LOG(this->m_logger, "Setting parameter type: {} at index: {}", pType, index);
m_parameterType[index] = pType;
}
double UsgsAstroFrameSensorModel::getParameterCovariance(int index1, int index2) const {
int index = UsgsAstroFrameSensorModel::NUM_PARAMETERS * index1 + index2;
+ MESSAGE_LOG(this->m_logger, "Accessing parameter covar: {} between index1: {} and index2: {}", m_currentParameterCovariance[index], index1, index2);
return m_currentParameterCovariance[index];
}
void UsgsAstroFrameSensorModel::setParameterCovariance(int index1, int index2, double covariance) {
+ MESSAGE_LOG(this->m_logger, "Setting parameter covar: {} between index1: {} and index2: {}",
+ covariance, index1, index2);
int index = UsgsAstroFrameSensorModel::NUM_PARAMETERS * index1 + index2;
m_currentParameterCovariance[index] = covariance;
}
int UsgsAstroFrameSensorModel::getNumGeometricCorrectionSwitches() const {
+ MESSAGE_LOG(this->m_logger, "Accessing num geom correction switches");
return 0;
}
@@ -1063,6 +1175,7 @@ std::vector<double> UsgsAstroFrameSensorModel::getCrossCovarianceMatrix(
const GeometricModel &comparisonModel,
csm::param::Set pSet,
const GeometricModelList &otherModels) const {
+ MESSAGE_LOG(this->m_logger, "Accessing cross covariance matrix");
// No correlation between models.
const std::vector<int>& indices = getParameterSetIndices(pSet);
@@ -1076,6 +1189,7 @@ std::vector<double> UsgsAstroFrameSensorModel::getCrossCovarianceMatrix(
void UsgsAstroFrameSensorModel::calcRotationMatrix(
double m[3][3]) const {
+ MESSAGE_LOG(this->m_logger, "Calculating rotation matrix");
// Trigonometric functions for rotation matrix
double w = m_currentParameterValue[3];
double x = m_currentParameterValue[4];
@@ -1096,6 +1210,7 @@ void UsgsAstroFrameSensorModel::calcRotationMatrix(
void UsgsAstroFrameSensorModel::calcRotationMatrix(
double m[3][3], const std::vector<double> &adjustments) const {
+ MESSAGE_LOG(this->m_logger, "Calculating rotation matrix with adjustments");
// Trigonometric functions for rotation matrix
double w = getValue(3, adjustments);
double x = getValue(4, adjustments);
@@ -1126,6 +1241,13 @@ void UsgsAstroFrameSensorModel::losEllipsoidIntersect(
double& y,
double& z ) const
{
+ MESSAGE_LOG(this->m_logger, "Calculating losEllipsoidIntersect with height: {},\n\
+ xc: {}, yc: {}, zc: {}\n\
+ xl: {}, yl: {}, zl: {}\n\
+ x: {}, y: {}, z{}", height,
+ xc, yc, zc,
+ xl, yl, zl,
+ x, y, z);
// Helper function which computes the intersection of the image ray
// with an expanded ellipsoid. All vectors are in earth-centered-fixed
// coordinate system with origin at the center of the earth.
@@ -1169,5 +1291,10 @@ double UsgsAstroFrameSensorModel::getValue(
int index,
const std::vector<double> &adjustments) const
{
+ MESSAGE_LOG(this->m_logger, "Accessing value: {} at index: {}, with adjustments", m_currentParameterValue[index] + adjustments[index], index);
return m_currentParameterValue[index] + adjustments[index];
}
+
+std::shared_ptr<spdlog::logger> UsgsAstroFrameSensorModel::getLogger() {
+ return m_logger;
+}
diff --git a/src/UsgsAstroLsSensorModel.cpp b/src/UsgsAstroLsSensorModel.cpp
index c43da11dc4ca7dc918fb43528335b56677598e11..c2dbdcd06b49be7b6e3ebf57af46f4d1ff160fda 100644
--- a/src/UsgsAstroLsSensorModel.cpp
+++ b/src/UsgsAstroLsSensorModel.cpp
@@ -27,7 +27,7 @@
#include <sstream>
#include <Error.h>
-#include <json.hpp>
+#include <json/json.hpp>
using json = nlohmann::json;
const std::string UsgsAstroLsSensorModel::_SENSOR_MODEL_NAME
diff --git a/src/UsgsAstroPlugin.cpp b/src/UsgsAstroPlugin.cpp
index 563f24de0f80ad90d9cc4f48f843af4f7550a5c0..69f1708511814119865d81e2dacec4602b28a779 100644
--- a/src/UsgsAstroPlugin.cpp
+++ b/src/UsgsAstroPlugin.cpp
@@ -15,7 +15,7 @@
#include <Warning.h>
#include <Version.h>
-#include <json.hpp>
+#include <json/json.hpp>
using json = nlohmann::json;
#ifdef _WIN32
@@ -223,6 +223,9 @@ csm::Model *UsgsAstroPlugin::constructModelFromISD(const csm::Isd &imageSupportD
UsgsAstroFrameSensorModel *model = new UsgsAstroFrameSensorModel();
try {
model->replaceModelState(model->constructStateFromIsd(stringIsd, warnings));
+ if (model->getLogger()) {
+ model->getLogger()->info("Constructed model: {}", modelName);
+ }
}
catch (...) {
csm::Error::ErrorType aErrorType = csm::Error::SENSOR_MODEL_NOT_CONSTRUCTIBLE;
diff --git a/src/Utilities.cpp b/src/Utilities.cpp
index 6a33c34df2a6517c841916d959b26ab041e490f3..5d5efb39697cbbac30d5f3d54bd52d40aea19c71 100644
--- a/src/Utilities.cpp
+++ b/src/Utilities.cpp
@@ -316,6 +316,24 @@ std::string getPlatformName(json isd, csm::WarningList *list) {
return name;
}
+
+std::string getLogFile(nlohmann::json isd, csm::WarningList *list) {
+ std::string file = "";
+ try {
+ file = isd.at("log_file");
+ }
+ catch (...) {
+ if (list) {
+ list->push_back(
+ csm::Warning(
+ csm::Warning::DATA_NOT_AVAILABLE,
+ "Could not parse the log filename.",
+ "Utilities::getLogFile()"));
+ }
+ }
+ return file;
+}
+
int getTotalLines(json isd, csm::WarningList *list) {
int lines = 0;
try {
@@ -695,27 +713,31 @@ double getSemiMinorRadius(json isd, csm::WarningList *list) {
// Gets the type of distortion model from the isd. If none is specified defaults
// to transverse
DistortionType getDistortionModel(json isd, csm::WarningList *list) {
- json distoriton_subset = isd.at("optical_distortion");
+ try {
+ json distoriton_subset = isd.at("optical_distortion");
- json::iterator it = distoriton_subset.begin();
+ json::iterator it = distoriton_subset.begin();
- std::string distortion = (std::string)it.key();
+ std::string distortion = (std::string)it.key();
- if (distortion.compare("transverse") == 0) {
- return DistortionType::TRANSVERSE;
- }
- else if (distortion.compare("radial") == 0) {
- return DistortionType::RADIAL;
+ if (distortion.compare("transverse") == 0) {
+ return DistortionType::TRANSVERSE;
+ }
+ else if (distortion.compare("radial") == 0) {
+ return DistortionType::RADIAL;
+ }
}
-
- if (list) {
- list->push_back(
- csm::Warning(
- csm::Warning::DATA_NOT_AVAILABLE,
- "Could not parse the distortion model.",
- "Utilities::getDistortionModel()"));
+ catch (...) {
+ if (list) {
+ list->push_back(
+ csm::Warning(
+ csm::Warning::DATA_NOT_AVAILABLE,
+ "Could not parse the distortion model.",
+ "Utilities::getDistortionModel()"));
+ }
}
return DistortionType::TRANSVERSE;
+
}
std::vector<double> getDistortionCoeffs(json isd, csm::WarningList *list) {
diff --git a/tests/Fixtures.h b/tests/Fixtures.h
index fdba2fc54e50406cf1e3a32e1c2b9dd36ea88cbc..a020188149cf80a087475773456fa682dd498717 100644
--- a/tests/Fixtures.h
+++ b/tests/Fixtures.h
@@ -5,7 +5,7 @@
#include "UsgsAstroFrameSensorModel.h"
#include "UsgsAstroLsSensorModel.h"
-#include <json.hpp>
+#include <json/json.hpp>
#include <map>
#include <sstream>
diff --git a/tests/FrameCameraTests.cpp b/tests/FrameCameraTests.cpp
index d41b461df1b0b1b769fd6ff81d9e65142a8c4ca7..80bcb8ff6ce8e4f37e6f77c8799f04c7efbe0181 100644
--- a/tests/FrameCameraTests.cpp
+++ b/tests/FrameCameraTests.cpp
@@ -1,7 +1,7 @@
#include "UsgsAstroPlugin.h"
#include "UsgsAstroFrameSensorModel.h"
-#include <json.hpp>
+#include <json/json.hpp>
#include <gtest/gtest.h>
#include "Fixtures.h"
@@ -59,10 +59,12 @@ TEST_F(FrameSensorModel, OffBody3) {
}
TEST_F(FrameSensorModel, getReferencePoint) {
- csm::EcefCoord groundPt = sensorModel->getReferencePoint();
- EXPECT_EQ(groundPt.x, 0.0);
- EXPECT_EQ(groundPt.y, 0.0);
- EXPECT_EQ(groundPt.z, 0.0);
+ csm::ImageCoord imagePt(7.5, 7.5);
+ csm::EcefCoord groundPtCenter = sensorModel->imageToGround(imagePt, 0.0);
+ csm::EcefCoord groundPtRef = sensorModel->getReferencePoint();
+ EXPECT_EQ(groundPtRef.x, groundPtCenter.x);
+ EXPECT_EQ(groundPtRef.y, groundPtCenter.y);
+ EXPECT_EQ(groundPtRef.z, groundPtCenter.z);
}
TEST_F(FrameSensorModel, OffBody4) {
diff --git a/tests/LineScanCameraTests.cpp b/tests/LineScanCameraTests.cpp
index f365d9673a513dcbd2d107968ef7373a4a74c357..6ecfed3408e209a15c61265cf30e7b5d379573c0 100644
--- a/tests/LineScanCameraTests.cpp
+++ b/tests/LineScanCameraTests.cpp
@@ -4,7 +4,7 @@
#include "UsgsAstroPlugin.h"
#include "UsgsAstroLsSensorModel.h"
-#include <json.hpp>
+#include <json/json.hpp>
#include <gtest/gtest.h>
#include <math.h>
diff --git a/tests/UtilitiesTests.cpp b/tests/UtilitiesTests.cpp
index 4e7010cc2e25fa2e4eb084fe921ec7119d105c9f..9750c1f85399d1d5a16d98eea39aa1f1d6777a3f 100644
--- a/tests/UtilitiesTests.cpp
+++ b/tests/UtilitiesTests.cpp
@@ -4,7 +4,7 @@
#include "UsgsAstroPlugin.h"
#include "Utilities.h"
-#include <json.hpp>
+#include <json/json.hpp>
#include <gtest/gtest.h>
#include <math.h>