term.h

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/*
Copyright (c) 2026 MrXie1109
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
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 OR COPYRIGHT HOLDERS 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.
*/
 
#pragma once
#include <cstdio>
#include <utility>
 
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN // 排除不常用的 Windows API
#define VC_EXTRALEAN        // 排除某些 MFC 扩展
#define NOCOMM              // 不包含 comm 相关
#define NOCRYPT             // 不包含加密 API
#define NOMCX               // 不包含 Modem 扩展
#define NOSERVICE           // 不包含服务相关
#define NOATOM              // 不包含原子操作
#define NOGDICAPMASKS       // 不包含 GDI 掩码
#define NOMETAFILE          // 不包含 MetaFile
#define NOMINMAX 1          // 不定义 min/max 宏
#define NOMSG               // 不包含消息结构
#define NOOPENFILE          // 不包含 OpenFile
#define NORPC               // 不包含 RPC
#define NOSOUND             // 不包含声音
#define NOSYSCOMMANDS       // 不包含系统命令
#define NOTEXTMETRIC        // 不包含 TEXTMETRIC
#define NOWH                // 不包含 WH_* 钩子
#define NOKANJI             // 不包含日文支持
#define NOHELP              // 不包含帮助
#define NODRAWTEXT          // 不包含 DrawText
#define NOGDI               // 不包含 GDI
#define NOUSER              // 不包含 USER
#define NOKERNEL            // 不包含 KERNEL
#define NOMB                // 不包含 MB_* 宏
#define NOMEMMGR            // 不包含内存管理
#define NOMETAFILE          // 不包含 MetaFile
#define NOMSG               // 不包含消息
#define NOOPENFILE          // 不包含 OpenFile
#define NOSCROLL            // 不包含滚动条
#define NOSHOW              // 不包含 ShowWindow
#define NOSIZE              // 不包含 SIZE
#define NOSOUND             // 不包含声音
#define NOSTRING            // 不包含字符串
#define NOSYSMETRICS        // 不包含系统指标
#define NOTEXTMETRIC        // 不包含 TEXTMETRIC
#define NOWINMESSAGES       // 不包含窗口消息
#define NOWINSTYLES         // 不包含窗口样式
#define NOWINOFFSETS        // 不包含窗口偏移
#define NOSYSCOMMANDS       // 不包含系统命令
#define NOCLIPBOARD         // 不包含剪贴板
#define NOCOLOR             // 不包含颜色
#define NODEFERWINDOWPOS    // 不包含 DeferWindowPos
#define NODRAWTEXT          // 不包含 DrawText
#define NOGDI               // 不包含 GDI
#define NOGDICAPMASKS       // 不包含 GDI 掩码
#define NOHELP              // 不包含帮助
#define NOICONS             // 不包含图标
#define NOMENUS             // 不包含菜单
#define NOMETAFILE          // 不包含 MetaFile
#define NOMSG               // 不包含消息
#define NOOPENFILE          // 不包含 OpenFile
#define NOPROFILER          // 不包含性能分析
#define NORASTEROPS         // 不包含光栅操作
#define NOSCROLL            // 不包含滚动条
#define NOSOUND             // 不包含声音
#define NOSYSCOMMANDS       // 不包含系统命令
#define NOTEXTMETRIC        // 不包含文本度量
#define NOWH                // 不包含 WH_* 钩子
#define NOWINOFFSETS        // 不包含窗口偏移
#define NOMB                // 不包含 MB_* 宏
#include <windows.h>
#endif
 
#ifdef __unix__
#include <sys/ioctl.h> // ioctl, TIOCGWINSZ
#include <unistd.h>    // STDOUT_FILENO
#endif
 
namespace console {
    inline void gotoxy(int x, int y) noexcept {
        printf("\033[%d;%dH", y, x);
    }

    inline void clear() noexcept {
        printf("\033[2J\033[H");
    }

    inline void save_cursor() noexcept {
        printf("\033[s");
    }

    inline void restore_cursor() noexcept {
        printf("\033[u");
    }

    inline void hide_cursor() noexcept {
        printf("\033[?25l");
    }

    inline void show_cursor() noexcept {
        printf("\033[?25h");
    }

    inline std::pair<int, int> get_terminal_size() noexcept {
#ifdef _WIN32
        CONSOLE_SCREEN_BUFFER_INFO csbi;
        HANDLE                     hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
        if (GetConsoleScreenBufferInfo(hConsole, &csbi)) {
            int cols = csbi.srWindow.Right - csbi.srWindow.Left + 1;
            int rows = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
            return {rows, cols};
        }
        return {0, 0};
#elif defined(__unix__) || defined(__APPLE__)
        struct winsize w;
        if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) == 0)
            return {w.ws_row, w.ws_col};
        return {0, 0};
#else
        return {0, 0};
#endif
    }

    inline void reset() noexcept {
        printf("\033[0m\033[?25h");
    }

    inline void clear_line() noexcept {
        printf("\033[2K");
    }

    inline void clear_to_eol() noexcept {
        printf("\033[K");
    }

    inline void movel(int n = 1) noexcept {
        printf("\033[%dD", n);
    }

    inline void mover(int n = 1) noexcept {
        printf("\033[%dC", n);
    }

    inline void moveu(int n = 1) noexcept {
        printf("\033[%dA", n);
    }

    inline void moved(int n = 1) noexcept {
        printf("\033[%dB", n);
    }

    inline void save_screen() noexcept {
        printf("\033[?47h");
    }

    inline void restore_screen() noexcept {
        printf("\033[?47l");
    }

    inline void clear_screen_save() noexcept {
        printf("\033[?47h\033[2J\033[H");
    }
 
#ifdef _WIN32
    inline const bool &init_windows_terminal() noexcept {
        static bool initialized = []() noexcept -> bool {
            HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
            if (hConsole == INVALID_HANDLE_VALUE || hConsole == nullptr)
                return false;
            DWORD mode;
            if (!GetConsoleMode(hConsole, &mode)) return false;
            mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
            mode |= ENABLE_PROCESSED_OUTPUT;
 
            return SetConsoleMode(hConsole, mode) != 0;
        }();
        return initialized;
    }
 
    static const bool &supports_ansi = init_windows_terminal();
#elif defined(__unix__) || defined(__APPLE__)
    static const bool &supports_ansi = true;
#else
    static const bool &supports_ansi = false; 
#endif
}