62 cv_undo(EditLine *el)  in cv_undo()  argument
64 	c_undo_t *vu = &el->el_chared.c_undo;  in cv_undo()
65 	c_redo_t *r = &el->el_chared.c_redo;  in cv_undo()
69 	size = (size_t)(el->el_line.lastchar - el->el_line.buffer);  in cv_undo()
71 	vu->cursor = (int)(el->el_line.cursor - el->el_line.buffer);  in cv_undo()
72 	(void)memcpy(vu->buf, el->el_line.buffer, size * sizeof(*vu->buf));  in cv_undo()
75 	r->count = el->el_state.doingarg ? el->el_state.argument : 0;  in cv_undo()
76 	r->action = el->el_chared.c_vcmd.action;  in cv_undo()
78 	r->cmd = el->el_state.thiscmd;  in cv_undo()
79 	r->ch = el->el_state.thisch;  in cv_undo()
86 cv_yank(EditLine *el, const wchar_t *ptr, int size)  in cv_yank()  argument
88 	c_kill_t *k = &el->el_chared.c_kill;  in cv_yank()
99 c_insert(EditLine *el, int num)  in c_insert()  argument
103 	if (el->el_line.lastchar + num >= el->el_line.limit) {  in c_insert()
104 		if (!ch_enlargebufs(el, (size_t)num))  in c_insert()
108 	if (el->el_line.cursor < el->el_line.lastchar) {  in c_insert()
110 		for (cp = el->el_line.lastchar; cp >= el->el_line.cursor; cp--)  in c_insert()
113 	el->el_line.lastchar += num;  in c_insert()
121 c_delafter(EditLine *el, int num)  in c_delafter()  argument
124 	if (el->el_line.cursor + num > el->el_line.lastchar)  in c_delafter()
125 		num = (int)(el->el_line.lastchar - el->el_line.cursor);  in c_delafter()
127 	if (el->el_map.current != el->el_map.emacs) {  in c_delafter()
128 		cv_undo(el);  in c_delafter()
129 		cv_yank(el, el->el_line.cursor, num);  in c_delafter()
135 		for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)  in c_delafter()
138 		el->el_line.lastchar -= num;  in c_delafter()
147 c_delafter1(EditLine *el)  in c_delafter1()  argument
151 	for (cp = el->el_line.cursor; cp <= el->el_line.lastchar; cp++)  in c_delafter1()
154 	el->el_line.lastchar--;  in c_delafter1()
162 c_delbefore(EditLine *el, int num)  in c_delbefore()  argument
165 	if (el->el_line.cursor - num < el->el_line.buffer)  in c_delbefore()
166 		num = (int)(el->el_line.cursor - el->el_line.buffer);  in c_delbefore()
168 	if (el->el_map.current != el->el_map.emacs) {  in c_delbefore()
169 		cv_undo(el);  in c_delbefore()
170 		cv_yank(el, el->el_line.cursor - num, num);  in c_delbefore()
176 		for (cp = el->el_line.cursor - num;  in c_delbefore()
177 		    &cp[num] <= el->el_line.lastchar;  in c_delbefore()
181 		el->el_line.lastchar -= num;  in c_delbefore()
190 c_delbefore1(EditLine *el)  in c_delbefore1()  argument
194 	for (cp = el->el_line.cursor - 1; cp <= el->el_line.lastchar; cp++)  in c_delbefore1()
197 	el->el_line.lastchar--;  in c_delbefore1()
281 cv_next_word(EditLine *el, wchar_t *p, wchar_t *high, int n,  in cv_next_word()  argument
294 		if (n || el->el_chared.c_vcmd.action != (DELETE|INSERT))  in cv_next_word()
337 cv_delfini(EditLine *el)  in cv_delfini()  argument
340 	int action = el->el_chared.c_vcmd.action;  in cv_delfini()
343 		el->el_map.current = el->el_map.key;  in cv_delfini()
345 	if (el->el_chared.c_vcmd.pos == 0)  in cv_delfini()
349 	size = (int)(el->el_line.cursor - el->el_chared.c_vcmd.pos);  in cv_delfini()
352 	el->el_line.cursor = el->el_chared.c_vcmd.pos;  in cv_delfini()
355 			cv_yank(el, el->el_line.cursor, size);  in cv_delfini()
357 			cv_yank(el, el->el_line.cursor + size, -size);  in cv_delfini()
360 			c_delafter(el, size);  in cv_delfini()
361 			re_refresh_cursor(el);  in cv_delfini()
363 			c_delbefore(el, -size);  in cv_delfini()
364 			el->el_line.cursor += size;  in cv_delfini()
367 	el->el_chared.c_vcmd.action = NOP;  in cv_delfini()
397 ch_init(EditLine *el)  in ch_init()  argument
399 	el->el_line.buffer		= el_calloc(EL_BUFSIZ,  in ch_init()
400 	    sizeof(*el->el_line.buffer));  in ch_init()
401 	if (el->el_line.buffer == NULL)  in ch_init()
404 	el->el_line.cursor		= el->el_line.buffer;  in ch_init()
405 	el->el_line.lastchar		= el->el_line.buffer;  in ch_init()
406 	el->el_line.limit		= &el->el_line.buffer[EL_BUFSIZ - EL_LEAVE];  in ch_init()
408 	el->el_chared.c_undo.buf	= el_calloc(EL_BUFSIZ,  in ch_init()
409 	    sizeof(*el->el_chared.c_undo.buf));  in ch_init()
410 	if (el->el_chared.c_undo.buf == NULL)  in ch_init()
412 	el->el_chared.c_undo.len	= -1;  in ch_init()
413 	el->el_chared.c_undo.cursor	= 0;  in ch_init()
414 	el->el_chared.c_redo.buf	= el_calloc(EL_BUFSIZ,  in ch_init()
415 	    sizeof(*el->el_chared.c_redo.buf));  in ch_init()
416 	if (el->el_chared.c_redo.buf == NULL)  in ch_init()
418 	el->el_chared.c_redo.pos	= el->el_chared.c_redo.buf;  in ch_init()
419 	el->el_chared.c_redo.lim	= el->el_chared.c_redo.buf + EL_BUFSIZ;  in ch_init()
420 	el->el_chared.c_redo.cmd	= ED_UNASSIGNED;  in ch_init()
422 	el->el_chared.c_vcmd.action	= NOP;  in ch_init()
423 	el->el_chared.c_vcmd.pos	= el->el_line.buffer;  in ch_init()
425 	el->el_chared.c_kill.buf	= el_calloc(EL_BUFSIZ,  in ch_init()
426 	    sizeof(*el->el_chared.c_kill.buf));  in ch_init()
427 	if (el->el_chared.c_kill.buf == NULL)  in ch_init()
429 	el->el_chared.c_kill.mark	= el->el_line.buffer;  in ch_init()
430 	el->el_chared.c_kill.last	= el->el_chared.c_kill.buf;  in ch_init()
431 	el->el_chared.c_resizefun	= NULL;  in ch_init()
432 	el->el_chared.c_resizearg	= NULL;  in ch_init()
433 	el->el_chared.c_aliasfun	= NULL;  in ch_init()
434 	el->el_chared.c_aliasarg	= NULL;  in ch_init()
436 	el->el_map.current		= el->el_map.key;  in ch_init()
438 	el->el_state.inputmode		= MODE_INSERT; /* XXX: save a default */  in ch_init()
439 	el->el_state.doingarg		= 0;  in ch_init()
440 	el->el_state.metanext		= 0;  in ch_init()
441 	el->el_state.argument		= 1;  in ch_init()
442 	el->el_state.lastcmd		= ED_UNASSIGNED;  in ch_init()
451 ch_reset(EditLine *el)  in ch_reset()  argument
453 	el->el_line.cursor		= el->el_line.buffer;  in ch_reset()
454 	el->el_line.lastchar		= el->el_line.buffer;  in ch_reset()
456 	el->el_chared.c_undo.len	= -1;  in ch_reset()
457 	el->el_chared.c_undo.cursor	= 0;  in ch_reset()
459 	el->el_chared.c_vcmd.action	= NOP;  in ch_reset()
460 	el->el_chared.c_vcmd.pos	= el->el_line.buffer;  in ch_reset()
462 	el->el_chared.c_kill.mark	= el->el_line.buffer;  in ch_reset()
464 	el->el_map.current		= el->el_map.key;  in ch_reset()
466 	el->el_state.inputmode		= MODE_INSERT; /* XXX: save a default */  in ch_reset()
467 	el->el_state.doingarg		= 0;  in ch_reset()
468 	el->el_state.metanext		= 0;  in ch_reset()
469 	el->el_state.argument		= 1;  in ch_reset()
470 	el->el_state.lastcmd		= ED_UNASSIGNED;  in ch_reset()
472 	el->el_history.eventno		= 0;  in ch_reset()
480 ch_enlargebufs(EditLine *el, size_t addlen)  in ch_enlargebufs()  argument
485 	sz = (size_t)(el->el_line.limit - el->el_line.buffer + EL_LEAVE);  in ch_enlargebufs()
499 	newbuffer = el_realloc(el->el_line.buffer, newsz * sizeof(*newbuffer));  in ch_enlargebufs()
506 	oldbuf = el->el_line.buffer;  in ch_enlargebufs()
508 	el->el_line.buffer = newbuffer;  in ch_enlargebufs()
509 	el->el_line.cursor = newbuffer + (el->el_line.cursor - oldbuf);  in ch_enlargebufs()
510 	el->el_line.lastchar = newbuffer + (el->el_line.lastchar - oldbuf);  in ch_enlargebufs()
512 	el->el_line.limit  = &newbuffer[sz - EL_LEAVE];  in ch_enlargebufs()
517 	newbuffer = el_realloc(el->el_chared.c_kill.buf, newsz *  in ch_enlargebufs()
525 	oldkbuf = el->el_chared.c_kill.buf;  in ch_enlargebufs()
527 	el->el_chared.c_kill.buf = newbuffer;  in ch_enlargebufs()
528 	el->el_chared.c_kill.last = newbuffer +  in ch_enlargebufs()
529 					(el->el_chared.c_kill.last - oldkbuf);  in ch_enlargebufs()
530 	el->el_chared.c_kill.mark = el->el_line.buffer +  in ch_enlargebufs()
531 					(el->el_chared.c_kill.mark - oldbuf);  in ch_enlargebufs()
536 	newbuffer = el_realloc(el->el_chared.c_undo.buf,  in ch_enlargebufs()
543 	el->el_chared.c_undo.buf = newbuffer;  in ch_enlargebufs()
545 	newbuffer = el_realloc(el->el_chared.c_redo.buf,  in ch_enlargebufs()
549 	el->el_chared.c_redo.pos = newbuffer +  in ch_enlargebufs()
550 			(el->el_chared.c_redo.pos - el->el_chared.c_redo.buf);  in ch_enlargebufs()
551 	el->el_chared.c_redo.lim = newbuffer +  in ch_enlargebufs()
552 			(el->el_chared.c_redo.lim - el->el_chared.c_redo.buf);  in ch_enlargebufs()
553 	el->el_chared.c_redo.buf = newbuffer;  in ch_enlargebufs()
555 	if (!hist_enlargebuf(el, sz, newsz))  in ch_enlargebufs()
559 	el->el_line.limit  = &el->el_line.buffer[newsz - EL_LEAVE];  in ch_enlargebufs()
560 	if (el->el_chared.c_resizefun)  in ch_enlargebufs()
561 		(*el->el_chared.c_resizefun)(el, el->el_chared.c_resizearg);  in ch_enlargebufs()
569 ch_end(EditLine *el)  in ch_end()  argument
571 	el_free(el->el_line.buffer);  in ch_end()
572 	el->el_line.buffer = NULL;  in ch_end()
573 	el->el_line.limit = NULL;  in ch_end()
574 	el_free(el->el_chared.c_undo.buf);  in ch_end()
575 	el->el_chared.c_undo.buf = NULL;  in ch_end()
576 	el_free(el->el_chared.c_redo.buf);  in ch_end()
577 	el->el_chared.c_redo.buf = NULL;  in ch_end()
578 	el->el_chared.c_redo.pos = NULL;  in ch_end()
579 	el->el_chared.c_redo.lim = NULL;  in ch_end()
580 	el->el_chared.c_redo.cmd = ED_UNASSIGNED;  in ch_end()
581 	el_free(el->el_chared.c_kill.buf);  in ch_end()
582 	el->el_chared.c_kill.buf = NULL;  in ch_end()
583 	ch_reset(el);  in ch_end()
591 el_winsertstr(EditLine *el, const wchar_t *s)  in el_winsertstr()  argument
597 	if (el->el_line.lastchar + len >= el->el_line.limit) {  in el_winsertstr()
598 		if (!ch_enlargebufs(el, len))  in el_winsertstr()
602 	c_insert(el, (int)len);  in el_winsertstr()
604 		*el->el_line.cursor++ = *s++;  in el_winsertstr()
613 el_deletestr(EditLine *el, int n)  in el_deletestr()  argument
618 	if (el->el_line.cursor < &el->el_line.buffer[n])  in el_deletestr()
621 	c_delbefore(el, n);		/* delete before dot */  in el_deletestr()
622 	el->el_line.cursor -= n;  in el_deletestr()
623 	if (el->el_line.cursor < el->el_line.buffer)  in el_deletestr()
624 		el->el_line.cursor = el->el_line.buffer;  in el_deletestr()
631 el_cursor(EditLine *el, int n)  in el_cursor()  argument
636 	el->el_line.cursor += n;  in el_cursor()
638 	if (el->el_line.cursor < el->el_line.buffer)  in el_cursor()
639 		el->el_line.cursor = el->el_line.buffer;  in el_cursor()
640 	if (el->el_line.cursor > el->el_line.lastchar)  in el_cursor()
641 		el->el_line.cursor = el->el_line.lastchar;  in el_cursor()
643 	return (int)(el->el_line.cursor - el->el_line.buffer);  in el_cursor()
650 c_gets(EditLine *el, wchar_t *buf, const wchar_t *prompt)  in c_gets()  argument
653 	wchar_t *cp = el->el_line.buffer, ch;  in c_gets()
663 		el->el_line.cursor = cp;  in c_gets()
665 		el->el_line.lastchar = cp + 1;  in c_gets()
666 		re_refresh(el);  in c_gets()
668 		if (el_wgetc(el, &ch) != 1) {  in c_gets()
669 			ed_end_of_file(el, 0);  in c_gets()
694 				terminal_beep(el);  in c_gets()
704 	el->el_line.buffer[0] = '\0';  in c_gets()
705 	el->el_line.lastchar = el->el_line.buffer;  in c_gets()
706 	el->el_line.cursor = el->el_line.buffer;  in c_gets()
715 c_hpos(EditLine *el)  in c_hpos()  argument
722 	if (el->el_line.cursor == el->el_line.buffer)  in c_hpos()
725 		for (ptr = el->el_line.cursor - 1;  in c_hpos()
726 		     ptr >= el->el_line.buffer && *ptr != '\n';  in c_hpos()
729 		return (int)(el->el_line.cursor - ptr - 1);  in c_hpos()
734 ch_resizefun(EditLine *el, el_zfunc_t f, void *a)  in ch_resizefun()  argument
736 	el->el_chared.c_resizefun = f;  in ch_resizefun()
737 	el->el_chared.c_resizearg = a;  in ch_resizefun()
742 ch_aliasfun(EditLine *el, el_afunc_t f, void *a)  in ch_aliasfun()  argument
744 	el->el_chared.c_aliasfun = f;  in ch_aliasfun()
745 	el->el_chared.c_aliasarg = a;  in ch_aliasfun()