jos/kern/ansi.h

#ifndef _ANSI_H_
#define _ANSI_H_

#include <inc/types.h>

#define ACOL_WRAP(s) "\33[" s "m"
#define ACOL_BLACK  ACOL_WRAP("30")
#define ACOL_RED ACOL_WRAP("31")
#define ACOL_GREEN ACOL_WRAP("32")
#define ACOL_YELLOW ACOL_WRAP("33")
#define ACOL_BLUE ACOL_WRAP("34")
#define ACOL_MAGENTA ACOL_WRAP("35")
#define ACOL_CYAN ACOL_WRAP("36")
#define ACOL_WHITE ACOL_WRAP("37")
#define ACOL_CLEAR ACOL_WRAP("0")

#define ACOL_TAG(c, s) "[" c s ACOL_CLEAR "] "
#define ACOL_NOTE(s) ACOL_TAG(ACOL_WHITE, " Note  ") s
#define ACOL_WARN(s) ACOL_TAG(ACOL_YELLOW, "Warning") s
#define ACOL_ERR(s) ACOL_TAG(ACOL_RED, " Error ") s

struct AttrState {
	uint8_t cattrs;
	uint8_t attrs;
	enum {
		NORMAL,
		ESC,
		BRACKET,
		COLOR_FG,
		COLOR
	} state;
};

void ansi_step(void (*putcf)(int), int c, struct AttrState* s);

#endif