363 lines
10 KiB
C++
363 lines
10 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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#include <ctime>
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#include <fstream>
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#include <iostream>
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#include <kiwano/core/Logger.h>
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namespace
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{
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std::streambuf *cin_buffer, *cout_buffer, *cerr_buffer;
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std::fstream console_input, console_output, console_error;
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std::wstreambuf *wcin_buffer, *wcout_buffer, *wcerr_buffer;
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std::wfstream wconsole_input, wconsole_output, wconsole_error;
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void RedirectStdIO()
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{
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cin_buffer = std::cin.rdbuf();
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cout_buffer = std::cout.rdbuf();
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cerr_buffer = std::cerr.rdbuf();
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wcin_buffer = std::wcin.rdbuf();
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wcout_buffer = std::wcout.rdbuf();
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wcerr_buffer = std::wcerr.rdbuf();
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console_input.open("CONIN$", std::ios::in);
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console_output.open("CONOUT$", std::ios::out);
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console_error.open("CONOUT$", std::ios::out);
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wconsole_input.open("CONIN$", std::ios::in);
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wconsole_output.open("CONOUT$", std::ios::out);
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wconsole_error.open("CONOUT$", std::ios::out);
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FILE* dummy;
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freopen_s(&dummy, "CONOUT$", "w+t", stdout);
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freopen_s(&dummy, "CONIN$", "r+t", stdin);
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freopen_s(&dummy, "CONOUT$", "w+t", stderr);
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(void)dummy;
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std::cin.rdbuf(console_input.rdbuf());
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std::cout.rdbuf(console_output.rdbuf());
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std::cerr.rdbuf(console_error.rdbuf());
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std::wcin.rdbuf(wconsole_input.rdbuf());
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std::wcout.rdbuf(wconsole_output.rdbuf());
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std::wcerr.rdbuf(wconsole_error.rdbuf());
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}
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void ResetStdIO()
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{
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console_input.close();
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console_output.close();
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console_error.close();
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wconsole_input.close();
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wconsole_output.close();
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wconsole_error.close();
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std::cin.rdbuf(cin_buffer);
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std::cout.rdbuf(cout_buffer);
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std::cerr.rdbuf(cerr_buffer);
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std::wcin.rdbuf(wcin_buffer);
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std::wcout.rdbuf(wcout_buffer);
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std::wcerr.rdbuf(wcerr_buffer);
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fclose(stdout);
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fclose(stdin);
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fclose(stderr);
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cin_buffer = nullptr;
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cout_buffer = nullptr;
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cerr_buffer = nullptr;
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wcin_buffer = nullptr;
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wcout_buffer = nullptr;
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wcerr_buffer = nullptr;
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}
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HWND allocated_console = nullptr;
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HWND AllocateConsole()
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{
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if (::AllocConsole())
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{
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allocated_console = ::GetConsoleWindow();
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if (allocated_console)
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{
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RedirectStdIO();
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}
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}
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return allocated_console;
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}
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void FreeAllocatedConsole()
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{
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if (allocated_console)
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{
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ResetStdIO();
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::FreeConsole();
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allocated_console = nullptr;
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}
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}
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HWND GetAllocatedConsole()
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{
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return allocated_console;
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}
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} // namespace
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namespace kiwano
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{
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namespace console_colors
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{
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const WORD blue = FOREGROUND_BLUE | FOREGROUND_INTENSITY;
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const WORD green = FOREGROUND_GREEN | FOREGROUND_INTENSITY;
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const WORD red = FOREGROUND_RED | FOREGROUND_INTENSITY;
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const WORD yellow = FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY;
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const WORD white = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY;
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const WORD blue_bg = white | BACKGROUND_BLUE | BACKGROUND_INTENSITY;
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const WORD green_bg = white | BACKGROUND_GREEN | BACKGROUND_INTENSITY;
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const WORD red_bg = white | BACKGROUND_RED | BACKGROUND_INTENSITY;
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const WORD yellow_bg = BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY;
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const WORD white_bg = BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY;
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const WORD Reset = white;
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} // namespace console_colors
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#define DECLARE_HANDLE_COLOR(NAME, HANDLE_NAME, COLOR) \
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inline OutputStream&(NAME)(OutputStream & _out) \
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{ \
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::SetConsoleTextAttribute(::GetStdHandle(HANDLE_NAME), console_colors::##COLOR); \
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return _out; \
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}
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#define DECLARE_COLOR(COLOR) \
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DECLARE_HANDLE_COLOR(stdout_##COLOR, STD_OUTPUT_HANDLE, COLOR) \
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DECLARE_HANDLE_COLOR(stderr_##COLOR, STD_ERROR_HANDLE, COLOR)
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#define DECLARE_BG_COLOR(COLOR) \
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DECLARE_HANDLE_COLOR(stdout_##COLOR##_bg, STD_OUTPUT_HANDLE, COLOR##_bg) \
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DECLARE_HANDLE_COLOR(stderr_##COLOR##_bg, STD_ERROR_HANDLE, COLOR##_bg)
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namespace console_colors
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{
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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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} // namespace console_colors
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Logger::Logger()
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: enabled_(true)
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, default_stdout_color_(0)
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, default_stderr_color_(0)
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, output_stream_(std::cout.rdbuf())
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, error_stream_(std::cerr.rdbuf())
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{
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ResetOutputStream();
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}
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Logger::~Logger()
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{
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FreeAllocatedConsole();
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}
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void Logger::Printf(Level level, const char* format, ...)
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{
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if (!enabled_)
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return;
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StringStream sstream;
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Prepare(level, sstream);
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// Format message
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if (format)
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{
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va_list args = nullptr;
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va_start(args, format);
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static char temp_buffer[1024 * 3 + 1];
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const auto len = ::_vscprintf(format, args) + 1;
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::_vsnprintf_s(temp_buffer, len, len, format, args);
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sstream << ' ' << temp_buffer << "\r\n";
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va_end(args);
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}
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Output(level, sstream);
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}
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void Logger::Prepare(Level level, StringStream& sstream)
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{
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String prefix;
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switch (level)
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{
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case Level::Info:
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prefix = "[INFO] ";
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break;
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case Level::System:
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prefix = "[SYSTEM] ";
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break;
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case Level::Warning:
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prefix = "[WARN] ";
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break;
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case Level::Error:
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prefix = "[ERROR] ";
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break;
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}
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// Timestamp
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time_t unix = std::time(nullptr);
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std::tm tmbuf;
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localtime_s(&tmbuf, &unix);
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sstream << prefix << std::put_time(&tmbuf, "%H:%M:%S ");
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}
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void Logger::Output(Level level, StringStream& sstream)
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{
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using ConsoleColor = Function<OutputStream&(OutputStream&)>;
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OutputStream* ostream = nullptr;
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ConsoleColor color = nullptr;
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switch (level)
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{
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case Level::Info:
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ostream = &output_stream_;
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color = Closure(this, &Logger::DefaultOutputColor);
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break;
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case Level::System:
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ostream = &output_stream_;
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color = console_colors::stdout_blue;
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break;
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case Level::Warning:
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ostream = &output_stream_;
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color = console_colors::stdout_yellow_bg;
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break;
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case Level::Error:
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ostream = &error_stream_;
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color = console_colors::stderr_red_bg;
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break;
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}
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// Printing
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if (ostream)
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{
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auto output = sstream.str();
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color(*ostream) << output << std::flush;
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::OutputDebugStringA(output.c_str());
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ResetConsoleColor();
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}
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}
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void Logger::ResetOutputStream()
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{
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bool has_console = ::GetConsoleWindow() != nullptr;
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if (has_console)
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{
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default_stdout_color_ = default_stderr_color_ =
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FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY;
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CONSOLE_SCREEN_BUFFER_INFO stdout_info;
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if (::GetConsoleScreenBufferInfo(::GetStdHandle(STD_OUTPUT_HANDLE), &stdout_info))
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{
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default_stdout_color_ = stdout_info.wAttributes;
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}
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CONSOLE_SCREEN_BUFFER_INFO stderr_info;
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if (::GetConsoleScreenBufferInfo(::GetStdHandle(STD_ERROR_HANDLE), &stderr_info))
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{
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default_stderr_color_ = stderr_info.wAttributes;
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}
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// replace the C++ global locale with the user-preferred locale
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(void)std::locale::global(std::locale(""));
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(void)std::cout.imbue(std::locale());
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(void)std::cerr.imbue(std::locale());
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RedirectOutputStreamBuffer(std::cout.rdbuf());
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RedirectErrorStreamBuffer(std::cerr.rdbuf());
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}
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}
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std::streambuf* Logger::RedirectOutputStreamBuffer(std::streambuf* buf)
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{
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return output_stream_.rdbuf(buf);
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}
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std::streambuf* Logger::RedirectErrorStreamBuffer(std::streambuf* buf)
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{
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return error_stream_.rdbuf(buf);
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}
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void Logger::ShowConsole(bool show)
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{
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HWND current_console = ::GetConsoleWindow();
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if (show)
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{
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if (current_console)
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{
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::ShowWindow(current_console, SW_SHOW);
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}
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else
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{
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HWND console = ::AllocateConsole();
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if (!console)
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{
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KGE_WARN("AllocConsole failed");
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}
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else
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{
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// disable the close button of console
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HMENU hmenu = ::GetSystemMenu(console, FALSE);
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::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
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}
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}
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}
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else
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{
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if (current_console)
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{
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if (current_console == GetAllocatedConsole())
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{
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FreeAllocatedConsole();
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}
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else
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{
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::ShowWindow(current_console, SW_HIDE);
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}
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}
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}
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ResetOutputStream();
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}
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} // namespace kiwano
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