bool vis_operator(Vis *vis, enum VisOperator id, ...) {
va_list ap;
va_start(ap, id);
switch (id) {
case VIS_OP_CASE_LOWER:
case VIS_OP_CASE_UPPER:
case VIS_OP_CASE_SWAP:
vis->action.arg.i = id;
id = VIS_OP_CASE_SWAP;
break;
case VIS_OP_CURSOR_SOL:
case VIS_OP_CURSOR_EOL:
vis->action.arg.i = id;
id = VIS_OP_CURSOR_SOL;
break;
case VIS_OP_PUT_AFTER:
case VIS_OP_PUT_AFTER_END:
case VIS_OP_PUT_BEFORE:
case VIS_OP_PUT_BEFORE_END:
vis->action.arg.i = id;
id = VIS_OP_PUT_AFTER;
break;
case VIS_OP_FILTER:
vis->action.arg.s = va_arg(ap, char*);
/* fall through */
case VIS_OP_SHIFT_LEFT:
case VIS_OP_SHIFT_RIGHT:
vis_motion_type(vis, VIS_MOTIONTYPE_LINEWISE);
break;
default:
break;
}
if (id >= LENGTH(vis_operators))
goto err;
const Operator *op = &vis_operators[id];
if (vis->mode->visual) {
vis->action.op = op;
action_do(vis, &vis->action);
goto out;
}
/* switch to operator mode inorder to make operator options and
* text-object available */
vis_mode_switch(vis, VIS_MODE_OPERATOR_PENDING);
if (vis->action.op == op) {
/* hacky way to handle double operators i.e. things like
* dd, yy etc where the second char isn't a movement */
vis->action.type = LINEWISE;
vis_motion(vis, VIS_MOVE_LINE_NEXT);
} else {
vis->action.op = op;
}
/* put is not a real operator, does not need a range to operate on */
if (id == VIS_OP_PUT_AFTER)
vis_motion(vis, VIS_MOVE_NOP);
out:
va_end(ap);
return true;
err:
va_end(ap);
return false;
}
static const char *motiontype(Vis *vis, const char *keys, const Arg *arg) {
vis_motion_type(vis, arg->i);
return keys;
}
