qcmd/term.h

#ifndef __TERM_H
#define __TERM_H

#include <stdint.h>

#define TERM_MAX_PARAMS 2

enum term_state {
	TERM_STATE_GROUND,
	TERM_STATE_ESC,
	TERM_STATE_ESC_INTERMEDIATE,
	TERM_STATE_CSI_ENTRY,
	TERM_STATE_CSI_PARAM,
	TERM_STATE_CSI_INTERMEDIATE,
	TERM_STATE_CSI_IGNORE,
};

struct term_cursor {
	int x;
	int y;
};

struct sgr_attrs {
	int normal;
	uint8_t bg;
	uint8_t fg;
	int bold;
};

struct cell {
	// No unicode support >:(
	char c;
	struct sgr_attrs sgra;
};

struct row {
	struct cell *cells;
};

struct term {
	enum term_state state;
	int num_rows;
	int num_cols;
	int params[TERM_MAX_PARAMS];
	int param_idx;
	struct term_cursor cursor;
	struct row *rows;
	struct sgr_attrs sgra;
	int pango;
};

void term_init(struct term *t, int rows, int cols, int pango);

void term_put(struct term *t, char c);
void term_put_string(struct term *t, char *str);

char *term_to_string(struct term *t);

#endif