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/*
* ansi.h
*/
#ifndef COM32_LIB_SYS_ANSI_H
#define COM32_LIB_SYS_ANSI_H
#include <inttypes.h>
#include <stdbool.h>
#define ANSI_MAX_PARMS 16
enum ansi_state {
st_init,
st_esc,
st_csi,
st_tbl,
st_tblc,
};
struct curxy {
uint8_t x, y;
} __attribute__ ((packed));
struct term_state {
enum ansi_state state;
int nparms; /* Number of parameters seen */
int parms[ANSI_MAX_PARMS];
bool pvt; /* Private code? */
struct curxy xy;
struct curxy saved_xy;
uint8_t cindex; /* SOH color index */
uint8_t fg;
uint8_t bg;
uint8_t intensity;
bool vtgraphics; /* VT graphics on/off */
bool underline;
bool blink;
bool reverse;
bool autocr;
bool autowrap;
bool cursor;
};
struct ansi_ops {
void (*erase) (const struct term_state * st, int x0, int y0, int x1,
int y1);
void (*write_char) (int x, int y, uint8_t ch, const struct term_state * st);
void (*showcursor) (const struct term_state * st);
void (*scroll_up) (const struct term_state * st);
void (*set_cursor) (int x, int y, bool visible);
void (*beep) (void);
};
struct term_info {
int rows, cols; /* Screen size */
int disabled;
struct term_state *ts;
const struct ansi_ops *op;
};
void __ansi_init(const struct term_info *ti);
void __ansi_putchar(const struct term_info *ti, uint8_t ch);
void __ansicon_beep(void);
#endif /* COM32_LIB_SYS_ANSI_H */
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