code_util/cmd.h

#pragma once

// command line utility
//
// created on 2023-02-10
//

#include "base.h"
#include <string>
#include <vector>
#include <algorithm>

#define CONSOLE_COLOR_NONE                  "\033[0m"
#define CONSOLE_COLOR_FRONT_BLACK           "\033[0;30m"
#define CONSOLE_COLOR_FRONT_DARK_GRAY       "\033[1;30m"
#define CONSOLE_COLOR_FRONT_RED             "\033[0;31m"
#define CONSOLE_COLOR_FRONT_LIGHT_RED       "\033[1;31m"
#define CONSOLE_COLOR_FRONT_GREEN           "\033[0;32m"
#define CONSOLE_COLOR_FRONT_LIGHT_GREEN     "\033[1;32m"
#define CONSOLE_COLOR_FRONT_BROWN           "\033[0;33m"
#define CONSOLE_COLOR_FRONT_YELLOW          "\033[1;33m"
#define CONSOLE_COLOR_FRONT_BLUE            "\033[0;34m"
#define CONSOLE_COLOR_FRONT_LIGHT_BLUE      "\033[1;34m"
#define CONSOLE_COLOR_FRONT_PURPLE          "\033[0;35m"
#define CONSOLE_COLOR_FRONT_LIGHT_PURPLE    "\033[1;35m"
#define CONSOLE_COLOR_FRONT_CYAN            "\033[0;36m"
#define CONSOLE_COLOR_FRONT_LIGHT_CYAN      "\033[1;36m"
#define CONSOLE_COLOR_FRONT_LIGHT_GRAY      "\033[0;37m"
#define CONSOLE_COLOR_FRONT_WHITE           "\033[1;37m"

#define CONSOLE_COLOR_BACK_BLACK           "\033[0;40m"
#define CONSOLE_COLOR_BACK_DARK_GRAY       "\033[1;40m"
#define CONSOLE_COLOR_BACK_RED             "\033[0;41m"
#define CONSOLE_COLOR_BACK_LIGHT_RED       "\033[1;41m"
#define CONSOLE_COLOR_BACK_GREEN           "\033[0;42m"
#define CONSOLE_COLOR_BACK_LIGHT_GREEN     "\033[1;42m"
#define CONSOLE_COLOR_BACK_BROWN           "\033[0;43m"
#define CONSOLE_COLOR_BACK_YELLOW          "\033[1;43m"
#define CONSOLE_COLOR_BACK_BLUE            "\033[0;44m"
#define CONSOLE_COLOR_BACK_LIGHT_BLUE      "\033[1;44m"
#define CONSOLE_COLOR_BACK_PURPLE          "\033[0;45m"
#define CONSOLE_COLOR_BACK_LIGHT_PURPLE    "\033[1;45m"
#define CONSOLE_COLOR_BACK_CYAN            "\033[0;46m"
#define CONSOLE_COLOR_BACK_LIGHT_CYAN      "\033[1;46m"
#define CONSOLE_COLOR_BACK_LIGHT_GRAY      "\033[0;47m"
#define CONSOLE_COLOR_BACK_WHITE           "\033[1;47m"


namespace console
{
    // special effects:
    // \033[0m  close all attributes
    // \033[1m  set high-light
    // \033[4m  underline
    // \033[5m  blink
    // \033[7m  reverse(反显)
    // \033[8m  blanking(消隐)
    // \033[30m -- \033[37m set foreground color
    // \033[40m -- \033[47m set background color
    //
    // cursor position:
    // \033[nA      move up n lines
    // \033[nB      move down n lines
    // \033[nC      move right n cols
    // \033[nD      move left n cols
    // \033[y;xH    set cursor position
    // \033[2J      clear screen
    // \033[K       clear the line after cursor position
    // \033[s       save cursor position
    // \033[u       restore cursor position
    // \033[?25l    hide cursor
    // \033[?25h    show cursor
};

class cmd_line : public refer
{
    std::string cmd_line_;
    std::vector<std::string>    arguments_;

protected:
    cmd_line();
    ~cmd_line();

public:
    static cmd_line* from_console(const char* tips);
    static cmd_line* from_command_line(const char* cmdl);

public:
    size_t count(void);
    const char* parameter(int ind);
    const char* parameter(const char* key);
    void remove(int ind);           // remove parameter at ind
    void remove(const char* key);   // remove parameters named 'key' and the next
    std::string to_command_line(void);
};


#define PASTE(a, b)     a##b
#define CONSOLE_ROUTINE(func)   \
    quit_cmd func(cmd_line* cmd, void* param)

enum quit_cmd
{
    QUIT_CMD_NONE = 0,
    QUIT_CMD_QUIT_ME,
    QUIT_CMD_QUIT_ALL,
};
class console_dispatcher : public refer
{
    typedef struct _cmd_routine
    {
        std::string cmd;
        void*       param;
        quit_cmd(*routine)(cmd_line* cmd, void* param);

        bool operator==(const char* command)
        {
            return cmd == command;
        }
        bool operator<(const _cmd_routine& r)
        {
            return cmd.compare(r.cmd) < 0;
        }
    }CMDROUT;
    std::vector<CMDROUT>    cmd_routine_;
    quit_cmd(*un_handle_)(cmd_line*, void*);
    void* un_handle_param_;

    static std::vector<CMDROUT>    super_cmd_routine_;
    
    static void add_command(std::vector<CMDROUT>& routine, const char* cmd, quit_cmd(*handle)(cmd_line*, void*), void* param);
    static quit_cmd unhandled(cmd_line* cmd, void* param);

    quit_cmd dispatch_command(cmd_line* cmd); // return whether continue

public:
    console_dispatcher();
    ~console_dispatcher();

public:
    static void add_supper_command_routine(const char* cmd, quit_cmd(*handle)(cmd_line*, void*), void* param = nullptr);
    static void print_sector(uint8_t* data, size_t bytes, uint64_t addr = 0);

    void add_command_routine(const char* cmd, quit_cmd(*handle)(cmd_line*, void*), void* param = nullptr);
    void set_unhandled_routine(quit_cmd(*handle)(cmd_line*, void*), void* param = nullptr);
    quit_cmd run(const char* tips, const char* cmdl = nullptr);
};