vga_console.h

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// AUTOMATICALLY GENERATED -- DO NOT EDIT!         -*- c++ -*-

#ifndef vga_console_h
#define vga_console_h

#include "types.h"
#include "console.h"

//
// INTERFACE definition follows 
//


class Vga_console : public Console
{
public:

  void clear();

  void scroll( unsigned n );

  Address video_base() const;

  void video_base( Address base );

  Vga_console( Address base, unsigned width = 80, unsigned height = 25, 
               bool light_white = false, bool use_color = false );

  ~Vga_console();

  int write( char const *str, size_t len );

  int getchar( bool blocking = true );

  inline bool const is_working();

private:

  struct VChar {
    char c;
    char a;
  } __attribute__((packed));

  VChar   *_video_base;
  Address  _crtc;
  unsigned _width, _height;
  unsigned _x, _y;
  unsigned _attribute;
  enum {
    MAX_ANSI_ESC_ARGS = 5,
  };

  int ansi_esc_args[MAX_ANSI_ESC_ARGS];
  unsigned num_ansi_esc_args;

  void (Vga_console::*wr)(char const *, size_t, unsigned & );

  bool const _light_white;
  bool const _use_color;
  bool _is_working;

  void blink_cursor( unsigned x, unsigned y );

public:  
  Mword get_attributes() const;

private:  
  inline int seq_6( char const *str, size_t len, unsigned &pos );
  
  inline int seq_1( char const *, size_t, unsigned & );
  
  inline int seq_5( char const *, size_t , unsigned & );
  
  inline void ansi_attrib( int a );
  
  void esc_write( char const *str, size_t len, unsigned &i );
  
  void ansi_esc_write( char const *str, size_t len, unsigned &i );
  
  void normal_write( char const *str, size_t len, unsigned &i );
};

//
// IMPLEMENTATION of inline functions (and needed classes)
//




inline bool const Vga_console::is_working()
{
  return _is_working;
}

#endif // vga_console_h

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