111 lines
4.0 KiB
C++
111 lines
4.0 KiB
C++
// Copyright(c) 2015-present Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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#ifndef SPDLOG_HEADER_ONLY
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#include "spdlog/sinks/wincolor_sink.h"
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#endif
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#include "spdlog/common.h"
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namespace spdlog {
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namespace sinks {
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template<typename TargetStream, typename ConsoleMutex>
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SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::wincolor_sink()
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: out_handle_(TargetStream::handle())
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, mutex_(ConsoleMutex::mutex())
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{
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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; // red bold
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colors_[level::critical] = BACKGROUND_RED | WHITE | BOLD; // white bold on red background
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colors_[level::off] = 0;
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}
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template<typename TargetStream, typename ConsoleMutex>
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SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::~wincolor_sink()
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{
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this->flush();
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}
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// change the color for the given level
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template<typename TargetStream, typename ConsoleMutex>
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void SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::set_color(level::level_enum level, WORD color)
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{
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std::lock_guard<mutex_t> lock(mutex_);
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colors_[level] = color;
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}
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template<typename TargetStream, typename ConsoleMutex>
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void SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::log(const details::log_msg &msg)
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{
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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 (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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auto orig_attribs = set_console_attribs(colors_[msg.level]);
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print_range_(formatted, msg.color_range_start, msg.color_range_end);
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::SetConsoleTextAttribute(out_handle_,
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orig_attribs); // reset to orig colors
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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 // print without colors if color range is invalid
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{
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print_range_(formatted, 0, formatted.size());
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}
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}
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template<typename TargetStream, typename ConsoleMutex>
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void SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::flush()
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{
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// windows console always flushed?
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}
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template<typename TargetStream, typename ConsoleMutex>
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void SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::set_pattern(const std::string &pattern)
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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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template<typename TargetStream, typename ConsoleMutex>
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void SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::set_formatter(std::unique_ptr<spdlog::formatter> sink_formatter)
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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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// set color and return the orig console attributes (for resetting later)
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template<typename TargetStream, typename ConsoleMutex>
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WORD SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::set_console_attribs(WORD attribs)
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{
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CONSOLE_SCREEN_BUFFER_INFO orig_buffer_info;
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::GetConsoleScreenBufferInfo(out_handle_, &orig_buffer_info);
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WORD back_color = orig_buffer_info.wAttributes;
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// retrieve the current background color
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back_color &= static_cast<WORD>(~(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY));
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// keep the background color unchanged
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::SetConsoleTextAttribute(out_handle_, attribs | back_color);
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return orig_buffer_info.wAttributes; // return orig attribs
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}
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// print a range of formatted message to console
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template<typename TargetStream, typename ConsoleMutex>
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void SPDLOG_INLINE wincolor_sink<TargetStream, ConsoleMutex>::print_range_(const fmt::memory_buffer &formatted, size_t start, size_t end)
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{
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auto size = static_cast<DWORD>(end - start);
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::WriteConsoleA(out_handle_, formatted.data() + start, size, nullptr, nullptr);
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}
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} // namespace sinks
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} // namespace spdlog
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