esc_decoder.h

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#pragma once
#include <b8/type.h>
 
class ImplCEscapeSeqDecoder;
 
enum EscapePAL {
    PAL_0,  
    PAL_1,  
    PAL_2,  
    PAL_3,  
};
 
enum EscapeSeqOpe {
    ESO_ONE_CHAR,                        
    ESO_UP,                              
    ESO_DOWN,                            
    ESO_RIGHT,                           
    ESO_LEFT,                            
    ESO_DEL,                             
    ESO_MOVE_CURSOR,                     
    ESO_SEL_PAL,                         
    ESO_SET_COLOR,                       
    ESO_CLEAR_SCREEN_FROM_CURSOR_DOWN,   
    ESO_CLEAR_SCREEN_FROM_CURSOR_UP,     
    ESO_CLEAR_ENTIRE_SCREEN,             
    ESO_CLEAR_LINE_FROM_CURSOR_RIGHT,    
    ESO_CLEAR_LINE_FROM_CURSOR_LEFT,     
    ESO_CLEAR_ENTIRE_LINE,               
    ESO_ENABLE_SHADOW,                   
    ESO_DISABLE_SHADOW,                  
    ESO_SET_Z,                           
    ESO_NONE                             
};
 
enum AnsiColor {
  ANSI_NULL = 0,
 
  ANSI_COLOR_BLACK   = 30,  // Black   (0, 0, 0)
  ANSI_COLOR_RED,           // Red     (255, 0, 0)
  ANSI_COLOR_GREEN,         // Green   (0, 255, 0)
  ANSI_COLOR_YELLOW,        // Yellow  (255, 255, 0)
  ANSI_COLOR_BLUE,          // Blue    (0, 0, 255)
  ANSI_COLOR_MAGENTA,       // Magenta (255, 0, 255)  // Magenta can also be seen as purple
  ANSI_COLOR_CYAN,          // Cyan    (0, 255, 255)
  ANSI_COLOR_WHITE,         // White   (255, 255, 255)
 
  ANSI_COLOR_BLACK_BG = 40,
  ANSI_COLOR_RED_BG,
  ANSI_COLOR_GREEN_BG,
  ANSI_COLOR_YELLOW_BG,
  ANSI_COLOR_BLUE_BG,
  ANSI_COLOR_MAGENTA_BG,
  ANSI_COLOR_CYAN_BG,
  ANSI_COLOR_WHITE_BG,
 
  ANSI_COLOR_B8_BLACK       = 50, // BEEP-8 Black
  ANSI_COLOR_B8_DARK_BLUE   ,     // BEEP-8 Dark Blue
  ANSI_COLOR_B8_DARK_PURPLE ,     // BEEP-8 Dark Purple
  ANSI_COLOR_B8_DARK_GREEN  ,     // BEEP-8 Dark Green
  ANSI_COLOR_B8_BROWN       ,     // BEEP-8 Brown
  ANSI_COLOR_B8_DARK_GREY   ,     // BEEP-8 Dark Grey
  ANSI_COLOR_B8_LIGHT_GREY  ,     // BEEP-8 Light Grey
  ANSI_COLOR_B8_WHITE       ,     // BEEP-8 White
  ANSI_COLOR_B8_RED         ,     // BEEP-8 Red
  ANSI_COLOR_B8_ORANGE      ,     // BEEP-8 Orange
  ANSI_COLOR_B8_YELLOW      ,     // BEEP-8 Yellow
  ANSI_COLOR_B8_GREEN       ,     // BEEP-8 Green
  ANSI_COLOR_B8_BLUE        ,     // BEEP-8 Blue
  ANSI_COLOR_B8_LAVENDER    ,     // BEEP-8 Lavender
  ANSI_COLOR_B8_PINK        ,     // BEEP-8 Pink
  ANSI_COLOR_B8_LIGHT_PEACH ,     // BEEP-8 Light Peach
 
  ANSI_COLOR_B8_BLACK_BG    = 70,
  ANSI_COLOR_B8_DARK_BLUE_BG    ,   
  ANSI_COLOR_B8_DARK_PURPLE_BG  , 
  ANSI_COLOR_B8_DARK_GREEN_BG   ,  
  ANSI_COLOR_B8_BROWN_BG        ,       
  ANSI_COLOR_B8_DARK_GREY_BG    ,    
  ANSI_COLOR_B8_LIGHT_GREY_BG   ,
  ANSI_COLOR_B8_WHITE_BG        ,       
  ANSI_COLOR_B8_RED_BG          ,         
  ANSI_COLOR_B8_ORANGE_BG       ,      
  ANSI_COLOR_B8_YELLOW_BG       ,      
  ANSI_COLOR_B8_GREEN_BG        ,       
  ANSI_COLOR_B8_BLUE_BG         ,        
  ANSI_COLOR_B8_LAVENDER_BG     ,    
  ANSI_COLOR_B8_PINK_BG         ,        
  ANSI_COLOR_B8_LIGHT_PEACH_BG  ,
 
  // High-intensity (Bright) colors
  ANSI_COLOR_BRIGHT_BLACK   = 90, // Bright Black (Gray)     (128, 128, 128)
  ANSI_COLOR_BRIGHT_RED     ,     // Bright Red              (255, 85, 85)
  ANSI_COLOR_BRIGHT_GREEN   ,     // Bright Green            (85, 255, 85)
  ANSI_COLOR_BRIGHT_YELLOW  ,     // Bright Yellow           (255, 255, 85)
  ANSI_COLOR_BRIGHT_BLUE    ,     // Bright Blue             (85, 85, 255)
  ANSI_COLOR_BRIGHT_MAGENTA ,     // Bright Magenta (Purple) (255, 85, 255)
  ANSI_COLOR_BRIGHT_CYAN    ,     // Bright Cyan             (85, 255, 255)
  ANSI_COLOR_BRIGHT_WHITE   ,     // Bright White            (255, 255, 255)
 
  ANSI_COLOR_BRIGHT_BLACK_BG   = 100,
  ANSI_COLOR_BRIGHT_RED_BG     ,
  ANSI_COLOR_BRIGHT_GREEN_BG   ,
  ANSI_COLOR_BRIGHT_YELLOW_BG  ,
  ANSI_COLOR_BRIGHT_BLUE_BG    ,
  ANSI_COLOR_BRIGHT_MAGENTA_BG ,
  ANSI_COLOR_BRIGHT_CYAN_BG    ,
  ANSI_COLOR_BRIGHT_WHITE_BG
};
 
struct EscapeOut{
  u16 _code;
  EscapePAL     _EscapePAL;
    EscapeSeqOpe    _Ope;
  s16 _x;
  s16 _y;
  u8  _attr : 4;  // Holds values 0-15 (commonly used range is 0-9 for terminal attributes)
  AnsiColor _fg;  // Supports ANSI standard colors (0-15 for basic colors)
  AnsiColor _bg;
  u16 _otz;
 
  void  ResetSetColor(){
    _Ope = ESO_SET_COLOR;
    _fg = ANSI_COLOR_WHITE;
    _bg = ANSI_NULL;
  }
 
  void  ResetMoveCursor(){
    _Ope = ESO_MOVE_CURSOR;
    _x = _y = 0;
  }
 
  void  ResetZ(){
    _Ope = ESO_SET_Z;
    _otz = 0;
  }
 
  inline  void  ResetAll(){
    _code = 0x0000;
    _EscapePAL = PAL_0;
    _Ope = ESO_NONE;
    _x = 0;
    _y = 0;
    _attr = 0;
    _fg = ANSI_COLOR_WHITE;
    _bg = ANSI_NULL;
    _otz = 0;
  }
 
  EscapeOut(){
    ResetAll();
  }
};
 
class CEscapeSeqDecoder{
  ImplCEscapeSeqDecoder* _impl;
public:
  EscapeOut& Stream( s32 code_ );
  CEscapeSeqDecoder();
  ~CEscapeSeqDecoder();
};
 
extern void EscClearEntireScreen(FILE* fp);
 
extern void EscMoveCursor(FILE* fp, s32 x_, s32 y_);