mirror of
https://github.com/OpenDiablo2/OpenDiablo2
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162 lines
5.1 KiB
C++
162 lines
5.1 KiB
C++
//
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// Copyright(c) 2017 spdlog authors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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#pragma once
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#ifndef SPDLOG_H
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#include "spdlog/spdlog.h"
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#endif
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#include "spdlog/details/console_globals.h"
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#include "spdlog/details/null_mutex.h"
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#include "spdlog/details/os.h"
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#include "spdlog/sinks/sink.h"
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#include <memory>
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#include <mutex>
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#include <string>
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#include <unordered_map>
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namespace spdlog {
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namespace sinks {
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/**
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* This sink prefixes the output with an ANSI escape sequence color code
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* depending on the severity
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* of the message.
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* If no color terminal detected, omit the escape codes.
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*/
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template<typename TargetStream, class ConsoleMutex>
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class ansicolor_sink final : public sink
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{
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public:
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using mutex_t = typename ConsoleMutex::mutex_t;
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ansicolor_sink()
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: target_file_(TargetStream::stream())
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, mutex_(ConsoleMutex::mutex())
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{
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should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
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colors_[level::trace] = white;
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colors_[level::debug] = cyan;
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colors_[level::info] = green;
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colors_[level::warn] = yellow + bold;
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colors_[level::err] = red + bold;
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colors_[level::critical] = bold + on_red;
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colors_[level::off] = reset;
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}
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~ansicolor_sink() override = default;
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ansicolor_sink(const ansicolor_sink &other) = delete;
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ansicolor_sink &operator=(const ansicolor_sink &other) = delete;
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void set_color(level::level_enum color_level, const std::string &color)
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{
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std::lock_guard<mutex_t> lock(mutex_);
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colors_[color_level] = color;
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}
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/// Formatting codes
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const std::string reset = "\033[m";
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const std::string bold = "\033[1m";
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const std::string dark = "\033[2m";
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const std::string underline = "\033[4m";
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const std::string blink = "\033[5m";
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const std::string reverse = "\033[7m";
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const std::string concealed = "\033[8m";
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const std::string clear_line = "\033[K";
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// Foreground colors
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const std::string black = "\033[30m";
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const std::string red = "\033[31m";
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const std::string green = "\033[32m";
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const std::string yellow = "\033[33m";
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const std::string blue = "\033[34m";
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const std::string magenta = "\033[35m";
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const std::string cyan = "\033[36m";
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const std::string white = "\033[37m";
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/// Background colors
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const std::string on_black = "\033[40m";
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const std::string on_red = "\033[41m";
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const std::string on_green = "\033[42m";
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const std::string on_yellow = "\033[43m";
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const std::string on_blue = "\033[44m";
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const std::string on_magenta = "\033[45m";
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const std::string on_cyan = "\033[46m";
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const std::string on_white = "\033[47m";
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void log(const details::log_msg &msg) override
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{
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// Wrap the originally formatted message in color codes.
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// If color is not supported in the terminal, log as is instead.
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std::lock_guard<mutex_t> lock(mutex_);
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fmt::memory_buffer formatted;
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formatter_->format(msg, formatted);
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if (should_do_colors_ && msg.color_range_end > msg.color_range_start)
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{
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// before color range
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print_range_(formatted, 0, msg.color_range_start);
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// in color range
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print_ccode_(colors_[msg.level]);
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print_range_(formatted, msg.color_range_start, msg.color_range_end);
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print_ccode_(reset);
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// after color range
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print_range_(formatted, msg.color_range_end, formatted.size());
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}
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else // no color
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{
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print_range_(formatted, 0, formatted.size());
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}
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fflush(target_file_);
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}
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void flush() override
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{
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std::lock_guard<mutex_t> lock(mutex_);
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fflush(target_file_);
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}
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void set_pattern(const std::string &pattern) final
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{
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std::lock_guard<mutex_t> lock(mutex_);
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formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
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}
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void set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter) override
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{
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std::lock_guard<mutex_t> lock(mutex_);
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formatter_ = std::move(sink_formatter);
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}
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private:
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void print_ccode_(const std::string &color_code)
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{
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fwrite(color_code.data(), sizeof(char), color_code.size(), target_file_);
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}
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void print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
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{
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fwrite(formatted.data() + start, sizeof(char), end - start, target_file_);
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}
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FILE *target_file_;
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mutex_t &mutex_;
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bool should_do_colors_;
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std::unordered_map<level::level_enum, std::string, level::level_hasher> colors_;
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};
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using ansicolor_stdout_sink_mt = ansicolor_sink<details::console_stdout, details::console_mutex>;
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using ansicolor_stdout_sink_st = ansicolor_sink<details::console_stdout, details::console_nullmutex>;
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using ansicolor_stderr_sink_mt = ansicolor_sink<details::console_stderr, details::console_mutex>;
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using ansicolor_stderr_sink_st = ansicolor_sink<details::console_stderr, details::console_nullmutex>;
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} // namespace sinks
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} // namespace spdlog
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