contrib/libedit/history.c

114 #define	HNEXT(h, ev)		(*(h)->h_next)((h)->h_ref, ev)
115 #define	HFIRST(h, ev)		(*(h)->h_first)((h)->h_ref, ev)
116 #define	HPREV(h, ev)		(*(h)->h_prev)((h)->h_ref, ev)
117 #define	HLAST(h, ev)		(*(h)->h_last)((h)->h_ref, ev)
118 #define	HCURR(h, ev)		(*(h)->h_curr)((h)->h_ref, ev)
119 #define	HSET(h, ev, n)		(*(h)->h_set)((h)->h_ref, ev, n)
120 #define	HCLEAR(h, ev)		(*(h)->h_clear)((h)->h_ref, ev)
121 #define	HENTER(h, ev, str)	(*(h)->h_enter)((h)->h_ref, ev, str)
122 #define	HADD(h, ev, str)	(*(h)->h_add)((h)->h_ref, ev, str)
123 #define	HDEL(h, ev, n)		(*(h)->h_del)((h)->h_ref, ev, n)
158 	TYPE(HistEvent) ev;		/* What we return		 */
248 history_def_first(void *p, TYPE(HistEvent) *ev)
254 		*ev = h->cursor->ev;
256 		he_seterrev(ev, _HE_FIRST_NOTFOUND);
268 history_def_last(void *p, TYPE(HistEvent) *ev)
274 		*ev = h->cursor->ev;
276 		he_seterrev(ev, _HE_LAST_NOTFOUND);
288 history_def_next(void *p, TYPE(HistEvent) *ev)
293 		he_seterrev(ev, _HE_EMPTY_LIST);
298 		he_seterrev(ev, _HE_END_REACHED);
303         *ev = h->cursor->ev;
313 history_def_prev(void *p, TYPE(HistEvent) *ev)
318 		he_seterrev(ev,
324 		he_seterrev(ev, _HE_START_REACHED);
329         *ev = h->cursor->ev;
339 history_def_curr(void *p, TYPE(HistEvent) *ev)
344 		*ev = h->cursor->ev;
346 		he_seterrev(ev,
360 history_def_set(void *p, TYPE(HistEvent) *ev, const int n)
365 		he_seterrev(ev, _HE_EMPTY_LIST);
368 	if (h->cursor == &h->list || h->cursor->ev.num != n) {
371 			if (h->cursor->ev.num == n)
375 		he_seterrev(ev, _HE_NOT_FOUND);
387 history_set_nth(void *p, TYPE(HistEvent) *ev, int n)
392 		he_seterrev(ev, _HE_EMPTY_LIST);
400 		he_seterrev(ev, _HE_NOT_FOUND);
411 history_def_add(void *p, TYPE(HistEvent) *ev, const Char *str)
416 	HistEventPrivate *evp = (void *)&h->cursor->ev;
419 		return history_def_enter(p, ev, str);
425 		he_seterrev(ev, _HE_MALLOC_FAILED);
433 	*ev = h->cursor->ev;
439 history_deldata_nth(history_t *h, TYPE(HistEvent) *ev,
442 	if (history_set_nth(h, ev, num) != 0)
447 	ev->str = Strdup(h->cursor->ev.str);
448 	ev->num = h->cursor->ev.num;
451 	history_def_delete(h, ev, h->cursor);
461 history_def_del(void *p, TYPE(HistEvent) *ev __attribute__((__unused__)),
465 	if (history_def_set(h, ev, num) != 0)
467 	ev->str = Strdup(h->cursor->ev.str);
468 	ev->num = h->cursor->ev.num;
469 	history_def_delete(h, ev, h->cursor);
480 		   TYPE(HistEvent) *ev __attribute__((__unused__)), hentry_t *hp)
482 	HistEventPrivate *evp = (void *)&hp->ev;
502 history_def_insert(history_t *h, TYPE(HistEvent) *ev, const Char *str)
509 	if ((c->ev.str = h_strdup(str)) == NULL) {
514 	c->ev.num = ++h->eventid;
522 	*ev = c->ev;
525 	he_seterrev(ev, _HE_MALLOC_FAILED);
534 history_def_enter(void *p, TYPE(HistEvent) *ev, const Char *str)
539 	    Strcmp(h->list.next->ev.str, str) == 0)
542 	if (history_def_insert(h, ev, str) == -1)
550 		history_def_delete(h, ev, h->list.prev);
561 history_def_init(void **p, TYPE(HistEvent) *ev __attribute__((__unused__)), int n)
573 	h->list.ev.str = NULL;
574 	h->list.ev.num = 0;
586 history_def_clear(void *p, TYPE(HistEvent) *ev)
591 		history_def_delete(h, ev, h->list.prev);
608 	TYPE(HistEvent) ev;
613 	if (history_def_init(&h->h_ref, &ev, 0) == -1) {
639 	TYPE(HistEvent) ev;
642 		history_def_clear(h->h_ref, &ev);
653 history_setsize(TYPE(History) *h, TYPE(HistEvent) *ev, int num)
657 		he_seterrev(ev, _HE_NOT_ALLOWED);
661 		he_seterrev(ev, _HE_BAD_PARAM);
673 history_getsize(TYPE(History) *h, TYPE(HistEvent) *ev)
676 		he_seterrev(ev, _HE_NOT_ALLOWED);
679 	ev->num = history_def_getsize(h->h_ref);
680 	if (ev->num < -1) {
681 		he_seterrev(ev, _HE_SIZE_NEGATIVE);
692 history_setunique(TYPE(History) *h, TYPE(HistEvent) *ev, int uni)
696 		he_seterrev(ev, _HE_NOT_ALLOWED);
708 history_getunique(TYPE(History) *h, TYPE(HistEvent) *ev)
711 		he_seterrev(ev, _HE_NOT_ALLOWED);
714 	ev->num = history_def_getunique(h->h_ref);
725 	TYPE(HistEvent) ev;
732 			if (history_def_init(&h->h_ref, &ev, 0) == -1)
748 		history_def_clear(h->h_ref, &ev);
779 	TYPE(HistEvent) ev;
816 		if (HENTER(h, &ev, decode_result) == -1) {
836 	TYPE(HistEvent) ev;
853 		for (retval = HFIRST(h, &ev); retval != -1 && nelem-- > 0;
854 		    retval = HNEXT(h, &ev))
860 		retval = HLAST(h, &ev);
862 	for (i = 0; retval != -1; retval = HPREV(h, &ev), i++) {
863 		str = ct_encode_string(ev.str, &conv);
908 history_prev_event(TYPE(History) *h, TYPE(HistEvent) *ev, int num)
912 	for (retval = HCURR(h, ev); retval != -1; retval = HPREV(h, ev))
913 		if (ev->num == num)
916 	he_seterrev(ev, _HE_NOT_FOUND);
922 history_next_evdata(TYPE(History) *h, TYPE(HistEvent) *ev, int num, void **d)
926 	for (retval = HCURR(h, ev); retval != -1; retval = HPREV(h, ev))
927 		if (ev->num == num) {
933 	he_seterrev(ev, _HE_NOT_FOUND);
942 history_next_event(TYPE(History) *h, TYPE(HistEvent) *ev, int num)
946 	for (retval = HCURR(h, ev); retval != -1; retval = HNEXT(h, ev))
947 		if (ev->num == num)
950 	he_seterrev(ev, _HE_NOT_FOUND);
959 history_prev_string(TYPE(History) *h, TYPE(HistEvent) *ev, const Char *str)
964 	for (retval = HCURR(h, ev); retval != -1; retval = HNEXT(h, ev))
965 		if (Strncmp(str, ev->str, len) == 0)
968 	he_seterrev(ev, _HE_NOT_FOUND);
977 history_next_string(TYPE(History) *h, TYPE(HistEvent) *ev, const Char *str)
982 	for (retval = HCURR(h, ev); retval != -1; retval = HPREV(h, ev))
983 		if (Strncmp(str, ev->str, len) == 0)
986 	he_seterrev(ev, _HE_NOT_FOUND);
995 FUNW(history)(TYPE(History) *h, TYPE(HistEvent) *ev, int fun, ...)
1003 	he_seterrev(ev, _HE_OK);
1007 		retval = history_getsize(h, ev);
1011 		retval = history_setsize(h, ev, va_arg(va, int));
1015 		retval = history_getunique(h, ev);
1019 		retval = history_setunique(h, ev, va_arg(va, int));
1024 		retval = HADD(h, ev, str);
1028 		retval = HDEL(h, ev, va_arg(va, const int));
1033 		if ((retval = HENTER(h, ev, str)) != -1)
1034 			h->h_ent = ev->num;
1039 		if ((retval = HSET(h, ev, h->h_ent)) != -1)
1040 			retval = HADD(h, ev, str);
1044 		retval = HFIRST(h, ev);
1048 		retval = HNEXT(h, ev);
1052 		retval = HLAST(h, ev);
1056 		retval = HPREV(h, ev);
1060 		retval = HCURR(h, ev);
1064 		retval = HSET(h, ev, va_arg(va, const int));
1068 		HCLEAR(h, ev);
1075 			he_seterrev(ev, _HE_HIST_READ);
1081 			he_seterrev(ev, _HE_HIST_WRITE);
1087 		    he_seterrev(ev, _HE_HIST_WRITE);
1095 		    he_seterrev(ev, _HE_HIST_WRITE);
1100 		retval = history_prev_event(h, ev, va_arg(va, int));
1104 		retval = history_next_event(h, ev, va_arg(va, int));
1108 		retval = history_prev_string(h, ev, va_arg(va, const Char *));
1112 		retval = history_next_string(h, ev, va_arg(va, const Char *));
1133 			he_seterrev(ev, _HE_PARAM_MISSING);
1146 		retval = history_next_evdata(h, ev, num, d);
1154 		retval = history_deldata_nth((history_t *)h->h_ref, ev, num, d);
1167 		((history_t *)h->h_ref)->cursor->ev.str = s;
1175 		he_seterrev(ev, _HE_UNKNOWN);