lib/libedit/common.c

45 #include "el.h"
53 ed_end_of_file(EditLine *el, int c __unused)
56 	re_goto_bottom(el);
57 	*el->el_line.lastchar = '\0';
67 ed_insert(EditLine *el, int c)
69 	int count = el->el_state.argument;
74 	if (el->el_line.lastchar + el->el_state.argument >=
75 	    el->el_line.limit) {
77 		if (!ch_enlargebufs(el, (size_t) count))
82 		if (el->el_state.inputmode == MODE_INSERT
83 		    || el->el_line.cursor >= el->el_line.lastchar)
84 			c_insert(el, 1);
86 		*el->el_line.cursor++ = c;
87 		re_fastaddc(el);		/* fast refresh for one char. */
89 		if (el->el_state.inputmode != MODE_REPLACE_1)
90 			c_insert(el, el->el_state.argument);
92 		while (count-- && el->el_line.cursor < el->el_line.lastchar)
93 			*el->el_line.cursor++ = c;
94 		re_refresh(el);
97 	if (el->el_state.inputmode == MODE_REPLACE_1)
98 		return vi_command_mode(el, 0);
110 ed_delete_prev_word(EditLine *el, int c __unused)
114 	if (el->el_line.cursor == el->el_line.buffer)
117 	cp = c__prev_word(el->el_line.cursor, el->el_line.buffer,
118 	    el->el_state.argument, ce__isword);
120 	for (p = cp, kp = el->el_chared.c_kill.buf; p < el->el_line.cursor; p++)
122 	el->el_chared.c_kill.last = kp;
124 	c_delbefore(el, el->el_line.cursor - cp);	/* delete before dot */
125 	el->el_line.cursor = cp;
126 	if (el->el_line.cursor < el->el_line.buffer)
127 		el->el_line.cursor = el->el_line.buffer; /* bounds check */
138 ed_delete_next_char(EditLine *el, int c)
141 #define	EL	el->el_line
142 	(void) fprintf(el->el_errlfile,
147 	if (el->el_line.cursor == el->el_line.lastchar) {
149 		if (el->el_map.type == MAP_VI) {
150 			if (el->el_line.cursor == el->el_line.buffer) {
156 				term_writechar(el, c);
161 				el->el_line.cursor--;
169 	c_delafter(el, el->el_state.argument);	/* delete after dot */
170 	if (el->el_map.type == MAP_VI &&
171 	    el->el_line.cursor >= el->el_line.lastchar &&
172 	    el->el_line.cursor > el->el_line.buffer)
174 		el->el_line.cursor = el->el_line.lastchar - 1;
185 ed_kill_line(EditLine *el, int c __unused)
189 	cp = el->el_line.cursor;
190 	kp = el->el_chared.c_kill.buf;
191 	while (cp < el->el_line.lastchar)
193 	el->el_chared.c_kill.last = kp;
195 	el->el_line.lastchar = el->el_line.cursor;
206 ed_move_to_end(EditLine *el, int c __unused)
209 	el->el_line.cursor = el->el_line.lastchar;
210 	if (el->el_map.type == MAP_VI) {
212 		el->el_line.cursor--;
214 		if (el->el_chared.c_vcmd.action != NOP) {
215 			cv_delfini(el);
229 ed_move_to_beg(EditLine *el, int c __unused)
232 	el->el_line.cursor = el->el_line.buffer;
234 	if (el->el_map.type == MAP_VI) {
236 		while (isspace((unsigned char) *el->el_line.cursor))
237 			el->el_line.cursor++;
238 		if (el->el_chared.c_vcmd.action != NOP) {
239 			cv_delfini(el);
252 ed_transpose_chars(EditLine *el, int c)
255 	if (el->el_line.cursor < el->el_line.lastchar) {
256 		if (el->el_line.lastchar <= &el->el_line.buffer[1])
259 			el->el_line.cursor++;
261 	if (el->el_line.cursor > &el->el_line.buffer[1]) {
263 		c = el->el_line.cursor[-2];
264 		el->el_line.cursor[-2] = el->el_line.cursor[-1];
265 		el->el_line.cursor[-1] = c;
278 ed_next_char(EditLine *el, int c __unused)
280 	char *lim = el->el_line.lastchar;
282 	if (el->el_line.cursor >= lim ||
283 	    (el->el_line.cursor == lim - 1 &&
284 	    el->el_map.type == MAP_VI &&
285 	    el->el_chared.c_vcmd.action == NOP))
288 	el->el_line.cursor += el->el_state.argument;
289 	if (el->el_line.cursor > lim)
290 		el->el_line.cursor = lim;
292 	if (el->el_map.type == MAP_VI)
293 		if (el->el_chared.c_vcmd.action != NOP) {
294 			cv_delfini(el);
307 ed_prev_word(EditLine *el, int c __unused)
310 	if (el->el_line.cursor == el->el_line.buffer)
313 	el->el_line.cursor = c__prev_word(el->el_line.cursor,
314 	    el->el_line.buffer,
315 	    el->el_state.argument,
318 	if (el->el_map.type == MAP_VI)
319 		if (el->el_chared.c_vcmd.action != NOP) {
320 			cv_delfini(el);
333 ed_prev_char(EditLine *el, int c __unused)
336 	if (el->el_line.cursor > el->el_line.buffer) {
337 		el->el_line.cursor -= el->el_state.argument;
338 		if (el->el_line.cursor < el->el_line.buffer)
339 			el->el_line.cursor = el->el_line.buffer;
341 		if (el->el_map.type == MAP_VI)
342 			if (el->el_chared.c_vcmd.action != NOP) {
343 				cv_delfini(el);
357 ed_quoted_insert(EditLine *el, int c)
362 	tty_quotemode(el);
363 	num = el_getc(el, &tc);
365 	tty_noquotemode(el);
367 		return (ed_insert(el, c));
369 		return (ed_end_of_file(el, 0));
377 ed_digit(EditLine *el, int c)
383 	if (el->el_state.doingarg) {
385 		if (el->el_state.lastcmd == EM_UNIVERSAL_ARGUMENT)
386 			el->el_state.argument = c - '0';
388 			if (el->el_state.argument > 1000000)
390 			el->el_state.argument =
391 			    (el->el_state.argument * 10) + (c - '0');
396 	return ed_insert(el, c);
405 ed_argument_digit(EditLine *el, int c)
411 	if (el->el_state.doingarg) {
412 		if (el->el_state.argument > 1000000)
414 		el->el_state.argument = (el->el_state.argument * 10) +
417 		el->el_state.argument = c - '0';
418 		el->el_state.doingarg = 1;
430 ed_unassigned(EditLine *el, int c __unused)
447 ed_tty_sigint(EditLine *el __unused,
461 ed_tty_dsusp(EditLine *el __unused,
475 ed_tty_flush_output(EditLine *el __unused,
489 ed_tty_sigquit(EditLine *el __unused,
503 ed_tty_sigtstp(EditLine *el __unused,
517 ed_tty_stop_output(EditLine *el __unused,
531 ed_tty_start_output(EditLine *el __unused,
545 ed_newline(EditLine *el, int c __unused)
548 	re_goto_bottom(el);
549 	*el->el_line.lastchar++ = '\n';
550 	*el->el_line.lastchar = '\0';
561 ed_delete_prev_char(EditLine *el, int c __unused)
564 	if (el->el_line.cursor <= el->el_line.buffer)
567 	c_delbefore(el, el->el_state.argument);
568 	el->el_line.cursor -= el->el_state.argument;
569 	if (el->el_line.cursor < el->el_line.buffer)
570 		el->el_line.cursor = el->el_line.buffer;
581 ed_clear_screen(EditLine *el, int c __unused)
584 	term_clear_screen(el);	/* clear the whole real screen */
585 	re_clear_display(el);	/* reset everything */
596 ed_redisplay(EditLine *el __unused,
610 ed_start_over(EditLine *el, int c __unused)
613 	ch_reset(el, 0);
624 ed_sequence_lead_in(EditLine *el __unused,
638 ed_prev_history(EditLine *el, int c __unused)
641 	int sv_event = el->el_history.eventno;
643 	el->el_chared.c_undo.len = -1;
644 	*el->el_line.lastchar = '\0';		/* just in case */
646 	if (el->el_history.eventno == 0) {	/* save the current buffer
648 		(void) strncpy(el->el_history.buf, el->el_line.buffer,
650 		el->el_history.last = el->el_history.buf +
651 		    (el->el_line.lastchar - el->el_line.buffer);
653 	el->el_history.eventno += el->el_state.argument;
655 	if (hist_get(el) == CC_ERROR) {
656 		if (el->el_map.type == MAP_VI) {
657 			el->el_history.eventno = sv_event;
661 		/* el->el_history.eventno was fixed by first call */
662 		(void) hist_get(el);
676 ed_next_history(EditLine *el, int c __unused)
680 	el->el_chared.c_undo.len = -1;
681 	*el->el_line.lastchar = '\0';	/* just in case */
683 	el->el_history.eventno -= el->el_state.argument;
685 	if (el->el_history.eventno < 0) {
686 		el->el_history.eventno = 0;
689 	rval = hist_get(el);
703 ed_search_prev_history(EditLine *el, int c __unused)
709 	el->el_chared.c_vcmd.action = NOP;
710 	el->el_chared.c_undo.len = -1;
711 	*el->el_line.lastchar = '\0';	/* just in case */
712 	if (el->el_history.eventno < 0) {
714 		(void) fprintf(el->el_errfile,
717 		el->el_history.eventno = 0;
720 	if (el->el_history.eventno == 0) {
721 		(void) strncpy(el->el_history.buf, el->el_line.buffer,
723 		el->el_history.last = el->el_history.buf +
724 		    (el->el_line.lastchar - el->el_line.buffer);
726 	if (el->el_history.ref == NULL)
729 	hp = HIST_FIRST(el);
733 	c_setpat(el);		/* Set search pattern !! */
735 	for (h = 1; h <= el->el_history.eventno; h++)
736 		hp = HIST_NEXT(el);
740 		(void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp);
742 		if ((strncmp(hp, el->el_line.buffer, (size_t)
743 			    (el->el_line.lastchar - el->el_line.buffer)) ||
744 			hp[el->el_line.lastchar - el->el_line.buffer]) &&
745 		    c_hmatch(el, hp)) {
750 		hp = HIST_NEXT(el);
755 		(void) fprintf(el->el_errfile, "not found\n");
759 	el->el_history.eventno = h;
761 	return (hist_get(el));
771 ed_search_next_history(EditLine *el, int c __unused)
777 	el->el_chared.c_vcmd.action = NOP;
778 	el->el_chared.c_undo.len = -1;
779 	*el->el_line.lastchar = '\0';	/* just in case */
781 	if (el->el_history.eventno == 0)
784 	if (el->el_history.ref == NULL)
787 	hp = HIST_FIRST(el);
791 	c_setpat(el);		/* Set search pattern !! */
793 	for (h = 1; h < el->el_history.eventno && hp; h++) {
795 		(void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp);
797 		if ((strncmp(hp, el->el_line.buffer, (size_t)
798 			    (el->el_line.lastchar - el->el_line.buffer)) ||
799 			hp[el->el_line.lastchar - el->el_line.buffer]) &&
800 		    c_hmatch(el, hp))
802 		hp = HIST_NEXT(el);
806 		if (!c_hmatch(el, el->el_history.buf)) {
808 			(void) fprintf(el->el_errfile, "not found\n");
813 	el->el_history.eventno = found;
815 	return (hist_get(el));
825 ed_prev_line(EditLine *el, int c __unused)
828 	int nchars = c_hpos(el);
833 	if (*(ptr = el->el_line.cursor) == '\n')
836 	for (; ptr >= el->el_line.buffer; ptr--)
837 		if (*ptr == '\n' && --el->el_state.argument <= 0)
840 	if (el->el_state.argument > 0)
846 	for (ptr--; ptr >= el->el_line.buffer && *ptr != '\n'; ptr--)
853 	    nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n';
857 	el->el_line.cursor = ptr;
868 ed_next_line(EditLine *el, int c __unused)
871 	int nchars = c_hpos(el);
876 	for (ptr = el->el_line.cursor; ptr < el->el_line.lastchar; ptr++)
877 		if (*ptr == '\n' && --el->el_state.argument <= 0)
880 	if (el->el_state.argument > 0)
887 	    nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n';
891 	el->el_line.cursor = ptr;
902 ed_command(EditLine *el, int c __unused)
907 	tmplen = c_gets(el, tmpbuf, "\n: ");
908 	term__putc(el, '\n');
910 	if (tmplen < 0 || (tmpbuf[tmplen] = 0, parse_line(el, tmpbuf)) == -1)
911 		term_beep(el);
913 	el->el_map.current = el->el_map.key;
914 	re_clear_display(el);