304 lines
7.9 KiB
C++
304 lines
7.9 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include "../macros.h"
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#include "../common/Singleton.hpp"
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#include <ctime>
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#include <iomanip>
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#include <sstream>
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#ifndef KGE_LOG
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# ifdef KGE_DEBUG
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# define KGE_LOG(FORMAT, ...) kiwano::Logger::Instance().Messagef((FORMAT ## "\n"), __VA_ARGS__)
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# else
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# define KGE_LOG __noop
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# endif
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#endif
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#ifndef KGE_WARNING_LOG
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# define KGE_WARNING_LOG(FORMAT, ...) kiwano::Logger::Instance().Warningf((FORMAT ## "\n"), __VA_ARGS__)
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#endif
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#ifndef KGE_ERROR_LOG
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# define KGE_ERROR_LOG(FORMAT, ...) kiwano::Logger::Instance().Errorf((FORMAT ## "\n"), __VA_ARGS__)
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#endif
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namespace kiwano
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{
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class KGE_API Logger
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: public Singleton<Logger>
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{
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KGE_DECLARE_SINGLETON(Logger);
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public:
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// 显示或关闭控制台
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void ShowConsole(bool show);
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// 启用 Logger
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void Enable();
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// 禁用 Logger
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void Disable();
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void Printf(const wchar_t* format, ...);
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void Messagef(const wchar_t * format, ...);
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void Warningf(const wchar_t* format, ...);
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void Errorf(const wchar_t* format, ...);
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template <typename ..._Args>
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void Print(_Args&& ... args);
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template <typename ..._Args>
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void Println(_Args&& ... args);
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template <typename ..._Args>
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void Message(_Args&& ... args);
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template <typename ..._Args>
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void Messageln(_Args&& ... args);
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template <typename ..._Args>
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void Warning(_Args&& ... args);
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template <typename ..._Args>
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void Warningln(_Args&& ... args);
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template <typename ..._Args>
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void Error(_Args&& ... args);
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template <typename ..._Args>
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void Errorln(_Args&& ... args);
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std::wstreambuf* RedirectOutputStreamBuffer(std::wstreambuf* buf);
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std::wstreambuf* RedirectErrorStreamBuffer(std::wstreambuf* buf);
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void ResetOutputStream();
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private:
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Logger();
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~Logger();
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void Outputf(std::wostream& os, std::wostream&(*color)(std::wostream&), const wchar_t* prompt, const wchar_t* format, va_list args) const;
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std::wstring MakeOutputStringf(const wchar_t* prompt, const wchar_t* format, va_list args) const;
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template <typename ..._Args>
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void OutputLine(std::wostream& os, std::wostream& (*color)(std::wostream&), const wchar_t* prompt, _Args&& ... args) const;
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template <typename ..._Args>
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void Output(std::wostream& os, std::wostream& (*color)(std::wostream&), const wchar_t* prompt, _Args&& ... args) const;
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template <typename ..._Args>
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std::wstring MakeOutputString(const wchar_t* prompt, _Args&& ... args) const;
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void ResetConsoleColor() const;
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static std::wostream& DefaultOutputColor(std::wostream& out);
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static std::wostream& OutPrefix(std::wostream& out);
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private:
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bool enabled_;
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WORD default_stdout_color_;
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WORD default_stderr_color_;
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std::wostream output_stream_;
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std::wostream error_stream_;
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};
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//
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// details of Logger
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//
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namespace __console_colors
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{
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#define DECLARE_COLOR(COLOR)\
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extern std::wostream&(stdout_##COLOR)(std::wostream&);\
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extern std::wostream&(stderr_##COLOR)(std::wostream&);
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#define DECLARE_BG_COLOR(COLOR)\
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extern std::wostream&(stdout_##COLOR##_bg)(std::wostream&);\
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extern std::wostream&(stderr_##COLOR##_bg)(std::wostream&);
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DECLARE_COLOR(red);
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DECLARE_COLOR(green);
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DECLARE_COLOR(yellow);
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DECLARE_COLOR(blue);
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DECLARE_COLOR(white);
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DECLARE_COLOR(reset);
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DECLARE_BG_COLOR(red);
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DECLARE_BG_COLOR(green);
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DECLARE_BG_COLOR(yellow);
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DECLARE_BG_COLOR(blue);
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DECLARE_BG_COLOR(white);
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#undef DECLARE_COLOR
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#undef DECLARE_BG_COLOR
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}
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inline void Logger::Enable()
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{
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enabled_ = true;
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}
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inline void Logger::Disable()
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{
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enabled_ = false;
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}
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template <typename ..._Args>
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inline void Logger::Print(_Args&& ... args)
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{
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Output(output_stream_, Logger::DefaultOutputColor, nullptr, std::forward<_Args>(args)...);
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}
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template <typename ..._Args>
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inline void Logger::Println(_Args&& ... args)
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{
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OutputLine(output_stream_, Logger::DefaultOutputColor, nullptr, std::forward<_Args>(args)...);
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}
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template <typename ..._Args>
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inline void Logger::Message(_Args&& ... args)
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{
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using namespace __console_colors;
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Output(output_stream_, stdout_blue, nullptr, std::forward<_Args>(args)...);
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}
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template <typename ..._Args>
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inline void Logger::Messageln(_Args&& ... args)
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{
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using namespace __console_colors;
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OutputLine(output_stream_, stdout_blue, nullptr, std::forward<_Args>(args)...);
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}
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template <typename ..._Args>
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inline void Logger::Warning(_Args&& ... args)
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{
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using namespace __console_colors;
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Output(output_stream_, stdout_yellow_bg, L"Warning:", std::forward<_Args>(args)...);
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}
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template <typename ..._Args>
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inline void Logger::Warningln(_Args&& ... args)
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{
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using namespace __console_colors;
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OutputLine(output_stream_, stdout_yellow_bg, L"Warning:", std::forward<_Args>(args)...);
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}
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template <typename ..._Args>
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inline void Logger::Error(_Args&& ... args)
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{
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using namespace __console_colors;
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Output(error_stream_, stderr_red_bg, L"Error:", std::forward<_Args>(args)...);
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}
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template <typename ..._Args>
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inline void Logger::Errorln(_Args&& ... args)
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{
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using namespace __console_colors;
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OutputLine(error_stream_, stderr_red_bg, L"Error:", std::forward<_Args>(args)...);
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}
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template <typename ..._Args>
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void Logger::OutputLine(std::wostream& os, std::wostream& (*color)(std::wostream&), const wchar_t* prompt, _Args&& ... args) const
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{
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if (enabled_)
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{
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Output(os, color, prompt, std::forward<_Args>(args)...);
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os << std::endl;
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::OutputDebugStringW(L"\r\n");
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}
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}
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template <typename ..._Args>
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void Logger::Output(std::wostream& os, std::wostream& (*color)(std::wostream&), const wchar_t* prompt, _Args&& ... args) const
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{
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if (enabled_)
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{
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std::wstring output = MakeOutputString(prompt, std::forward<_Args>(args)...);
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os << color << output << std::flush;
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::OutputDebugStringW(output.c_str());
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ResetConsoleColor();
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}
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}
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template <typename ..._Args>
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std::wstring Logger::MakeOutputString(const wchar_t* prompt, _Args&& ... args) const
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{
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std::wstringstream ss;
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ss << Logger::OutPrefix;
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if (prompt)
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ss << prompt;
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(void)std::initializer_list<int>{((ss << ' ' << args), 0)...};
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return ss.str();
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}
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inline void Logger::ResetConsoleColor() const
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{
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::SetConsoleTextAttribute(::GetStdHandle(STD_OUTPUT_HANDLE), default_stdout_color_);
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::SetConsoleTextAttribute(::GetStdHandle(STD_ERROR_HANDLE), default_stderr_color_);
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}
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inline std::wostream& Logger::DefaultOutputColor(std::wostream& out)
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{
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::SetConsoleTextAttribute(::GetStdHandle(STD_OUTPUT_HANDLE), Logger::Instance().default_stdout_color_);
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return out;
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}
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}
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//
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// Display stack trace on exception
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//
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#include "../third-party/StackWalker/StackWalker.h"
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namespace kiwano
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{
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inline void ThrowIfFailed(HRESULT hr)
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{
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if (FAILED(hr))
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{
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KGE_ERROR_LOG(L"Fatal error with HRESULT of %08X", hr);
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StackWalker{}.ShowCallstack();
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static char buffer[1024 + 1];
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sprintf_s(buffer, "Fatal error with HRESULT of %08X", hr);
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throw std::runtime_error(buffer);
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}
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}
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}
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