#ifndef ATASCII_H
#define ATASCII_H

#include <stdio.h>
#include <string.h>
#include "atables.h"

#define ATA_MODE_UTF8 0 /* default */
#define ATA_MODE_MAGAZINE 1
/* TODO: #define ATA_MODE_DOTS 2 */

#define ATA_FLAG_NONE 0 /* default */
#define ATA_FLAG_UNDERLINE 1
#define ATA_FLAG_ICS 2
#define ATA_FLAG_TEXTMODE 4
#define ATA_FLAG_STRIP_INVERSE 8

#define ATA_CHR_FINISH -1

extern const char *atascii_inverse_on;
extern const char *atascii_inverse_off;

typedef struct {
	int mode;
	int flags;
	int inv;
	int lines;
	const char **table;
} atascii_ctx;

/* returns true if mode and flags are valid, 0 otherwise. */
extern int atascii_context_init(atascii_ctx *ctx, int mode, int flags);

/* obeys all the flags and modes.
   result goes in dest, which needs to be 9 bytes in utf-8 mode (big
   enough to handle up to 4 bytes of UTF-8 plus 4 bytes of ANSI escape
   code plus a terminating null), or 12 bytes in magazine mode.
	the return value is dest.
 */
extern char *atascii_a2utf(atascii_ctx *ctx, int src, char *dest);

#endif