ConsoleControl.h

#pragma once
#include <cstdio>
#include <map>
#include <string>

#ifdef _WIN32
#define NOMINMAX
#include <windows.h>
#undef NOMINMAX
#else
#endif

enum ConsoleColor
{
    CONSOLE_COLOR_NONE = -1,
    CONSOLE_COLOR_RED = 4,
    CONSOLE_COLOR_LIGHT_RED = 12,
    CONSOLE_COLOR_GREEN = 2,
    CONSOLE_COLOR_LIGHT_GREEN = 10,
    CONSOLE_COLOR_BLUE = 1,
    CONSOLE_COLOR_LIGHT_BLUE = 9,
    CONSOLE_COLOR_WHITE = 7,
    CONSOLE_COLOR_BLACK = 0,
};

class ConsoleControl
{
private:
    ConsoleControl()
    {
        if (color_map_.empty())
        {
            color_map_ = {
                { CONSOLE_COLOR_NONE, "\\e[0m" },
                { CONSOLE_COLOR_RED, "\\e[0;31m" },
                { CONSOLE_COLOR_LIGHT_RED, "\\e[1;31m" },
                { CONSOLE_COLOR_GREEN, "\\e[0;32m" },
                { CONSOLE_COLOR_LIGHT_GREEN, "\\e[1;32m" },
                { CONSOLE_COLOR_BLUE, "\\e[0;34m" },
                { CONSOLE_COLOR_LIGHT_BLUE, "\\e[1;34m" },
                { CONSOLE_COLOR_WHITE, "\\e[1;37m" },
                { CONSOLE_COLOR_BLACK, "\\e[0;30m" },
            };
#ifdef _WIN32
            CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
            GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbiInfo);
            old_color_ = csbiInfo.wAttributes;
#endif
        }
    }

    unsigned short old_color_;
    std::map<int, std::string> color_map_;

    static ConsoleControl* getInstance()
    {
        static ConsoleControl console_control;
        return &console_control;
    }

private:
    ConsoleControl(ConsoleControl&) = delete;
    ConsoleControl& operator=(ConsoleControl&) = delete;

public:
    static void setColor(ConsoleColor c)
    {
        setColor(static_cast<int>(c));
    }
    static void setColor(int c)
    {
        auto cc = getInstance();
#ifdef _MSC_VER
        if (c != CONSOLE_COLOR_NONE)
        {
            SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), c);
        }
        else
        {
            SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), cc->old_color_);
        }
#else
        fprintf(stderr, "%s", cc->color_map_[c].c_str());
#endif
    }
    static void resetColor()
    {
        setColor(CONSOLE_COLOR_NONE);
    }
    static void moveUp(int l = 1)
    {
#ifdef _MSC_VER
        CONSOLE_SCREEN_BUFFER_INFO info;
        GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &info);
        info.dwCursorPosition.Y -= l;
        SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), info.dwCursorPosition);
#else
        if (l > 0)
        {
            fprintf(stderr, "\e[%dA", l);
        }
        else if (l < 0)
        {
            for (int i = 0; i < -l; i++) { fprintf(stderr, "\n"); }
        }
#endif
    }
    static void moveDown(int l = 1)
    {
        moveUp(-l);
    }
};