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colored_cout.h
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colored_cout.h
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/*********************************************************************************
* "colored cout" is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* For more information, please refer to:
* - http://unlicense.org/
* - https://github.com/yurablok/colored-cout
********************************************************************************/
#pragma once
#ifndef COLORED_COUT_H
#define COLORED_COUT_H
#include <cstdint>
// usage:
// std::cout << clr::red << " red "
// << clr::yellow << " yellow "
// << clr::green << " green "
// << clr::cyan << " cyan "
// << clr::blue << " blue "
// << clr::magenta << " magenta "
// << clr::grey << " grey "
// << clr::white << " white "
// << clr::reset << " reset\n";
// std::cout << clr::red << clr::on_cyan << " red "
// << clr::yellow << clr::on_blue << " yellow "
// << clr::green << clr::on_magenta << " green "
// << clr::cyan << clr::on_red << " cyan "
// << clr::blue << clr::on_yellow << " blue "
// << clr::magenta << clr::on_green << " magenta "
// << clr::grey << clr::on_white << " grey "
// << clr::white << clr::on_grey << " white "
// << clr::reset << " reset\n";
// std::cout << CLR_RED " red "
// << CLR_YELLOW " yellow "
// << CLR_GREEN " green "
// << CLR_CYAN " cyan "
// << CLR_BLUE " blue "
// << CLR_MAGENTA" magenta "
// << CLR_GREY " grey "
// << CLR_WHITE " white "
// << CLR_RESET " reset\n";
// std::cout << CLR_RED CLR_ON_CYAN " red "
// << CLR_YELLOW CLR_ON_BLUE " yellow "
// << CLR_GREEN CLR_ON_MAGENTA" green "
// << CLR_CYAN CLR_ON_RED " cyan "
// << CLR_BLUE CLR_ON_YELLOW " blue "
// << CLR_MAGENTA CLR_ON_GREEN " magenta "
// << CLR_GREY CLR_ON_WHITE " grey "
// << CLR_WHITE CLR_ON_GREY " white "
// << CLR_RESET " reset\n";
#define CLR_GREY "\033[37m" // 30
#define CLR_RED "\033[91m" // 31
#define CLR_GREEN "\033[92m" // 32
#define CLR_YELLOW "\033[93m" // 33
#define CLR_BLUE "\033[94m" // 34
#define CLR_MAGENTA "\033[95m" // 35
#define CLR_CYAN "\033[96m" // 36
#define CLR_WHITE "\033[97m" // 37
#define CLR_ON_GREY "\033[100m" // 40 47
#define CLR_ON_RED "\033[41m"
#define CLR_ON_GREEN "\033[102m" // 42
#define CLR_ON_YELLOW "\033[103m" // 43
#define CLR_ON_BLUE "\033[44m"
#define CLR_ON_MAGENTA "\033[45m"
#define CLR_ON_CYAN "\033[106m" // 46
#define CLR_ON_WHITE "\033[107m" // 47
#define CLR_RESET "\033[m"
#if defined(_WIN32)
enum class clr : uint8_t {
__FOREGROUND_BLUE = 0x0001,
__FOREGROUND_GREEN = 0x0002,
__FOREGROUND_RED = 0x0004,
__FOREGROUND_INTENSITY = 0x0008,
__BACKGROUND_BLUE = 0x0010,
__BACKGROUND_GREEN = 0x0020,
__BACKGROUND_RED = 0x0040,
__BACKGROUND_INTENSITY = 0x0080,
grey = __FOREGROUND_BLUE | __FOREGROUND_GREEN | __FOREGROUND_RED,
blue = __FOREGROUND_BLUE | __FOREGROUND_INTENSITY,
green = __FOREGROUND_GREEN | __FOREGROUND_INTENSITY,
cyan = __FOREGROUND_BLUE | __FOREGROUND_GREEN | __FOREGROUND_INTENSITY,
red = __FOREGROUND_RED | __FOREGROUND_INTENSITY,
magenta = __FOREGROUND_BLUE | __FOREGROUND_RED | __FOREGROUND_INTENSITY,
yellow = __FOREGROUND_GREEN | __FOREGROUND_RED | __FOREGROUND_INTENSITY,
white = __FOREGROUND_BLUE | __FOREGROUND_GREEN | __FOREGROUND_RED | __FOREGROUND_INTENSITY,
on_blue = __BACKGROUND_BLUE,//| __BACKGROUND_INTENSITY
on_red = __BACKGROUND_RED,//| __BACKGROUND_INTENSITY
on_magenta = __BACKGROUND_BLUE | __BACKGROUND_RED,//| __BACKGROUND_INTENSITY
on_grey = __BACKGROUND_BLUE | __BACKGROUND_GREEN | __BACKGROUND_RED,
on_green = __BACKGROUND_GREEN | __BACKGROUND_INTENSITY,
on_cyan = __BACKGROUND_BLUE | __BACKGROUND_GREEN | __BACKGROUND_INTENSITY,
on_yellow = __BACKGROUND_GREEN | __BACKGROUND_RED | __BACKGROUND_INTENSITY,
on_white = __BACKGROUND_BLUE | __BACKGROUND_GREEN | __BACKGROUND_RED | __BACKGROUND_INTENSITY,
reset = 0xFF,
};
#elif defined(__unix__) || defined(__APPLE__)
enum class clr : uint8_t {
grey = 37, // 30
red = 91, // 31
green = 92, // 32
yellow = 93, // 33
blue = 94, // 34
magenta = 95, // 35
cyan = 96, // 36
white = 97, // 37
on_grey = 100, // 40 47
on_red = 41,
on_green = 102, // 42
on_yellow = 103, // 43
on_blue = 44,
on_magenta = 45,
on_cyan = 106, // 46
on_white = 107, // 47
reset
};
#else
# error unsupported
#endif
#if defined(_WIN32)
namespace colored_cout_impl {
# ifndef WINBASEAPI
extern "C" {
struct CONSOLE_SCREEN_BUFFER_INFO {
int16_t dwSize_X, dwSize_Y;
int16_t dwCursorPosition_X, dwCursorPosition_Y;
uint16_t wAttributes;
int16_t srWindow_Left, srWindow_Top, srWindow_Right, srWindow_Bottom;
int16_t dwMaximumWindowSize_X, dwMaximumWindowSize_Y;
};
static_assert(sizeof(CONSOLE_SCREEN_BUFFER_INFO) == 22, "");
extern void* __stdcall GetStdHandle(uint32_t nStdHandle);
extern int32_t __stdcall GetConsoleScreenBufferInfo(void* hConsoleOutput,
CONSOLE_SCREEN_BUFFER_INFO* lpConsoleScreenBufferInfo);
extern int32_t __stdcall SetConsoleTextAttribute(void* hConsoleOutput, uint32_t wAttributes);
} // extern "C"
# endif // WINADVAPI
inline uint16_t getConsoleTextAttr() {
# ifndef WINBASEAPI
constexpr uint32_t STD_OUTPUT_HANDLE = -11;
# endif // WINBASEAPI
CONSOLE_SCREEN_BUFFER_INFO buffer_info;
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &buffer_info);
return buffer_info.wAttributes;
}
inline void setConsoleTextAttr(const uint16_t attr) {
# ifndef WINBASEAPI
constexpr uint32_t STD_OUTPUT_HANDLE = -11;
# endif // WINBASEAPI
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), attr);
}
} // namespace colored_cout_impl
#endif
template <typename type>
type& operator<<(type& ostream, const clr color) {
# if defined(_WIN32)
//static const uint16_t initial_attributes = colored_cout_impl::getConsoleTextAttr();
static const uint16_t initial_attributes = static_cast<uint16_t>(clr::grey);
static uint16_t background = initial_attributes & 0x00F0;
static uint16_t foreground = initial_attributes & 0x000F;
# endif
if (color == clr::reset) {
# if defined(_WIN32)
ostream.flush();
colored_cout_impl::setConsoleTextAttr(initial_attributes);
background = initial_attributes & 0x00F0;
foreground = initial_attributes & 0x000F;
# elif defined(__unix__) || defined(__APPLE__)
ostream << "\033[m";
# endif
}
else {
# if defined(_WIN32)
uint16_t set = 0;
const uint16_t colorCode = static_cast<uint16_t>(color);
if (colorCode & 0x00F0) {
background = colorCode;
set = background | foreground;
}
else if (colorCode & 0x000F) {
foreground = colorCode;
set = background | foreground;
}
ostream.flush();
colored_cout_impl::setConsoleTextAttr(set);
# elif defined(__unix__) || defined(__APPLE__)
ostream << "\033[" << static_cast<uint32_t>(color) << "m";
# endif
}
return ostream;
}
#endif // COLORED_COUT_H