/* processor:
* Processes the first packet in the buffer, if any, returning the number
* of bytes eaten.
*/
static int processor (unsigned char *buf, int buf_size)
{
struct input_event *event;
if (buf_size < (int)sizeof(struct input_event))
return 0; /* not enough data */
event = (struct input_event*)buf;
switch (event->type) {
case EV_KEY:
process_key(event);
break;
case EV_REL:
process_rel(event);
break;
case EV_ABS:
process_abs(event);
break;
}
if (current_tool!=no_tool) {
x_axis.out_abs = CLAMP(x_axis.out_min, x_axis.out_abs, x_axis.out_max);
y_axis.out_abs = CLAMP(y_axis.out_min, y_axis.out_abs, y_axis.out_max);
/* There's no range for z */
_mouse_x = x_axis.out_abs;
_mouse_y = y_axis.out_abs;
_mouse_z = z_axis.out_abs;
_mouse_b = button_left + (button_right<<1) + (button_middle<<2);
_handle_mouse_input();
}
/* Returns the size of the data used */
return sizeof(struct input_event);
}
int processOperator(Drawing d, char *op) {
int res = 0;
// Look for which operator it is and then process it
for (int i = 0; i < N_OPS_AVAILABLE; i++) {
if (strlen(op) == strlen(OPS_AVAILABLE[i]) && strcmp(op, OPS_AVAILABLE[i]) == 0) {
switch (i) {
case 0:
res = process_sum(d->stack);
break;
case 1:
res = process_subtraction(d->stack);
break;
case 2:
res = process_multiplication(d->stack);
break;
case 3:
res = process_division(d->stack);
break;
case 4:
res = process_pi(d->stack);
break;
case 5:
res = process_sin(d->stack);
break;
case 6:
res = process_cos(d->stack);
break;
case 7:
res = process_deg(d->stack);
break;
case 8:
res = process_cm(d->stack);
break;
case 9:
res = process_mm(d->stack);
break;
case 10:
res = process_pt(d->stack);
break;
case 11:
res = process_copy(d->stack);
break;
case 12:
res = process_translate(d->stack);
break;
case 13:
res = process_mtranslate(d->stack);
break;
case 14:
res = process_rotate(d->stack);
break;
case 15:
res = process_mrotate(d->stack);
break;
case 16:
res = process_line(d);
break;
case 17:
res = process_circle(d);
break;
case 18:
res = process_fillcircle(d);
break;
case 19:
res = process_show(d->stack);
break;
case 20:
res = process_tan(d->stack);
break;
case 21:
res = process_arcsin(d->stack);
break;
case 22:
res = process_arccos(d->stack);
break;
case 23:
res = process_arctan(d->stack);
break;
case 24:
res = process_eraseline(d);
break;
case 25:
res = process_e(d->stack);
break;
case 26:
res = process_lg(d->stack);
break;
case 27:
res = process_ln(d->stack);
break;
case 28:
res = process_log(d->stack);
break;
case 29:
res = process_abs(d->stack);
break;
default:
res = throw_error(op, PROCESSOR_ERROR_ILEGAL_OP);
break;
}
break;
}
}
return res;
}