lib/libedit/common.c

47 #include "el.h"
55 ed_end_of_file(EditLine *el, Int c __attribute__((__unused__)))
58 	re_goto_bottom(el);
59 	*el->el_line.lastchar = '\0';
69 ed_insert(EditLine *el, Int c)
71 	int count = el->el_state.argument;
76 	if (el->el_line.lastchar + el->el_state.argument >=
77 	    el->el_line.limit) {
79 		if (!ch_enlargebufs(el, (size_t) count))
84 		if (el->el_state.inputmode == MODE_INSERT
85 		    || el->el_line.cursor >= el->el_line.lastchar)
86 			c_insert(el, 1);
88 		*el->el_line.cursor++ = c;
89 		re_fastaddc(el);		/* fast refresh for one char. */
91 		if (el->el_state.inputmode != MODE_REPLACE_1)
92 			c_insert(el, el->el_state.argument);
94 		while (count-- && el->el_line.cursor < el->el_line.lastchar)
95 			*el->el_line.cursor++ = c;
96 		re_refresh(el);
99 	if (el->el_state.inputmode == MODE_REPLACE_1)
100 		return vi_command_mode(el, 0);
112 ed_delete_prev_word(EditLine *el, Int c __attribute__((__unused__)))
116 	if (el->el_line.cursor == el->el_line.buffer)
119 	cp = c__prev_word(el->el_line.cursor, el->el_line.buffer,
120 	    el->el_state.argument, ce__isword);
122 	for (p = cp, kp = el->el_chared.c_kill.buf; p < el->el_line.cursor; p++)
124 	el->el_chared.c_kill.last = kp;
126 	c_delbefore(el, (int)(el->el_line.cursor - cp));/* delete before dot */
127 	el->el_line.cursor = cp;
128 	if (el->el_line.cursor < el->el_line.buffer)
129 		el->el_line.cursor = el->el_line.buffer; /* bounds check */
140 ed_delete_next_char(EditLine *el, Int c __attribute__((__unused__)))
143 #define	EL	el->el_line
144 	(void) fprintf(el->el_errlfile,
149 	if (el->el_line.cursor == el->el_line.lastchar) {
151 		if (el->el_map.type == MAP_VI) {
152 			if (el->el_line.cursor == el->el_line.buffer) {
158 				terminal_writec(el, c);
163 				el->el_line.cursor--;
169 			if (el->el_line.cursor != el->el_line.buffer)
170 				el->el_line.cursor--;
175 	c_delafter(el, el->el_state.argument);	/* delete after dot */
176 	if (el->el_line.cursor >= el->el_line.lastchar &&
177 	    el->el_line.cursor > el->el_line.buffer)
179 		el->el_line.cursor = el->el_line.lastchar - 1;
190 ed_kill_line(EditLine *el, Int c __attribute__((__unused__)))
194 	cp = el->el_line.cursor;
195 	kp = el->el_chared.c_kill.buf;
196 	while (cp < el->el_line.lastchar)
198 	el->el_chared.c_kill.last = kp;
200 	el->el_line.lastchar = el->el_line.cursor;
211 ed_move_to_end(EditLine *el, Int c __attribute__((__unused__)))
214 	el->el_line.cursor = el->el_line.lastchar;
215 	if (el->el_map.type == MAP_VI) {
216 		if (el->el_chared.c_vcmd.action != NOP) {
217 			cv_delfini(el);
221 		el->el_line.cursor--;
234 ed_move_to_beg(EditLine *el, Int c __attribute__((__unused__)))
237 	el->el_line.cursor = el->el_line.buffer;
239 	if (el->el_map.type == MAP_VI) {
241 		while (Isspace(*el->el_line.cursor))
242 			el->el_line.cursor++;
243 		if (el->el_chared.c_vcmd.action != NOP) {
244 			cv_delfini(el);
257 ed_transpose_chars(EditLine *el, Int c)
260 	if (el->el_line.cursor < el->el_line.lastchar) {
261 		if (el->el_line.lastchar <= &el->el_line.buffer[1])
264 			el->el_line.cursor++;
266 	if (el->el_line.cursor > &el->el_line.buffer[1]) {
268 		c = el->el_line.cursor[-2];
269 		el->el_line.cursor[-2] = el->el_line.cursor[-1];
270 		el->el_line.cursor[-1] = c;
283 ed_next_char(EditLine *el, Int c __attribute__((__unused__)))
285 	Char *lim = el->el_line.lastchar;
287 	if (el->el_line.cursor >= lim ||
288 	    (el->el_line.cursor == lim - 1 &&
289 	    el->el_map.type == MAP_VI &&
290 	    el->el_chared.c_vcmd.action == NOP))
293 	el->el_line.cursor += el->el_state.argument;
294 	if (el->el_line.cursor > lim)
295 		el->el_line.cursor = lim;
297 	if (el->el_map.type == MAP_VI)
298 		if (el->el_chared.c_vcmd.action != NOP) {
299 			cv_delfini(el);
312 ed_prev_word(EditLine *el, Int c __attribute__((__unused__)))
315 	if (el->el_line.cursor == el->el_line.buffer)
318 	el->el_line.cursor = c__prev_word(el->el_line.cursor,
319 	    el->el_line.buffer,
320 	    el->el_state.argument,
323 	if (el->el_map.type == MAP_VI)
324 		if (el->el_chared.c_vcmd.action != NOP) {
325 			cv_delfini(el);
338 ed_prev_char(EditLine *el, Int c __attribute__((__unused__)))
341 	if (el->el_line.cursor > el->el_line.buffer) {
342 		el->el_line.cursor -= el->el_state.argument;
343 		if (el->el_line.cursor < el->el_line.buffer)
344 			el->el_line.cursor = el->el_line.buffer;
346 		if (el->el_map.type == MAP_VI)
347 			if (el->el_chared.c_vcmd.action != NOP) {
348 				cv_delfini(el);
362 ed_quoted_insert(EditLine *el, Int c)
367 	tty_quotemode(el);
368 	num = FUN(el,getc)(el, &tc);
370 	tty_noquotemode(el);
372 		return ed_insert(el, c);
374 		return ed_end_of_file(el, 0);
382 ed_digit(EditLine *el, Int c)
388 	if (el->el_state.doingarg) {
390 		if (el->el_state.lastcmd == EM_UNIVERSAL_ARGUMENT)
391 			el->el_state.argument = c - '0';
393 			if (el->el_state.argument > 1000000)
395 			el->el_state.argument =
396 			    (el->el_state.argument * 10) + (c - '0');
401 	return ed_insert(el, c);
410 ed_argument_digit(EditLine *el, Int c)
416 	if (el->el_state.doingarg) {
417 		if (el->el_state.argument > 1000000)
419 		el->el_state.argument = (el->el_state.argument * 10) +
422 		el->el_state.argument = c - '0';
423 		el->el_state.doingarg = 1;
435 ed_unassigned(EditLine *el __attribute__((__unused__)),
453 ed_tty_sigint(EditLine *el __attribute__((__unused__)),
467 ed_tty_dsusp(EditLine *el __attribute__((__unused__)),
481 ed_tty_flush_output(EditLine *el __attribute__((__unused__)),
495 ed_tty_sigquit(EditLine *el __attribute__((__unused__)),
509 ed_tty_sigtstp(EditLine *el __attribute__((__unused__)),
523 ed_tty_stop_output(EditLine *el __attribute__((__unused__)),
537 ed_tty_start_output(EditLine *el __attribute__((__unused__)),
551 ed_newline(EditLine *el, Int c __attribute__((__unused__)))
554 	re_goto_bottom(el);
555 	*el->el_line.lastchar++ = '\n';
556 	*el->el_line.lastchar = '\0';
567 ed_delete_prev_char(EditLine *el, Int c __attribute__((__unused__)))
570 	if (el->el_line.cursor <= el->el_line.buffer)
573 	c_delbefore(el, el->el_state.argument);
574 	el->el_line.cursor -= el->el_state.argument;
575 	if (el->el_line.cursor < el->el_line.buffer)
576 		el->el_line.cursor = el->el_line.buffer;
587 ed_clear_screen(EditLine *el, Int c __attribute__((__unused__)))
590 	terminal_clear_screen(el);	/* clear the whole real screen */
591 	re_clear_display(el);	/* reset everything */
602 ed_redisplay(EditLine *el __attribute__((__unused__)),
616 ed_start_over(EditLine *el, Int c __attribute__((__unused__)))
619 	ch_reset(el, 0);
630 ed_sequence_lead_in(EditLine *el __attribute__((__unused__)),
644 ed_prev_history(EditLine *el, Int c __attribute__((__unused__)))
647 	int sv_event = el->el_history.eventno;
649 	el->el_chared.c_undo.len = -1;
650 	*el->el_line.lastchar = '\0';		/* just in case */
652 	if (el->el_history.eventno == 0) {	/* save the current buffer
654 		(void) Strncpy(el->el_history.buf, el->el_line.buffer,
656 		el->el_history.last = el->el_history.buf +
657 		    (el->el_line.lastchar - el->el_line.buffer);
659 	el->el_history.eventno += el->el_state.argument;
661 	if (hist_get(el) == CC_ERROR) {
662 		if (el->el_map.type == MAP_VI) {
663 			el->el_history.eventno = sv_event;
667 		/* el->el_history.eventno was fixed by first call */
668 		(void) hist_get(el);
682 ed_next_history(EditLine *el, Int c __attribute__((__unused__)))
686 	el->el_chared.c_undo.len = -1;
687 	*el->el_line.lastchar = '\0';	/* just in case */
689 	el->el_history.eventno -= el->el_state.argument;
691 	if (el->el_history.eventno < 0) {
692 		el->el_history.eventno = 0;
695 	rval = hist_get(el);
709 ed_search_prev_history(EditLine *el, Int c __attribute__((__unused__)))
715 	el->el_chared.c_vcmd.action = NOP;
716 	el->el_chared.c_undo.len = -1;
717 	*el->el_line.lastchar = '\0';	/* just in case */
718 	if (el->el_history.eventno < 0) {
720 		(void) fprintf(el->el_errfile,
723 		el->el_history.eventno = 0;
726 	if (el->el_history.eventno == 0) {
727 		(void) Strncpy(el->el_history.buf, el->el_line.buffer,
729 		el->el_history.last = el->el_history.buf +
730 		    (el->el_line.lastchar - el->el_line.buffer);
732 	if (el->el_history.ref == NULL)
735 	hp = HIST_FIRST(el);
739 	c_setpat(el);		/* Set search pattern !! */
741 	for (h = 1; h <= el->el_history.eventno; h++)
742 		hp = HIST_NEXT(el);
746 		(void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp);
748 		if ((Strncmp(hp, el->el_line.buffer, (size_t)
749 			    (el->el_line.lastchar - el->el_line.buffer)) ||
750 			hp[el->el_line.lastchar - el->el_line.buffer]) &&
751 		    c_hmatch(el, hp)) {
756 		hp = HIST_NEXT(el);
761 		(void) fprintf(el->el_errfile, "not found\n");
765 	el->el_history.eventno = h;
767 	return hist_get(el);
777 ed_search_next_history(EditLine *el, Int c __attribute__((__unused__)))
783 	el->el_chared.c_vcmd.action = NOP;
784 	el->el_chared.c_undo.len = -1;
785 	*el->el_line.lastchar = '\0';	/* just in case */
787 	if (el->el_history.eventno == 0)
790 	if (el->el_history.ref == NULL)
793 	hp = HIST_FIRST(el);
797 	c_setpat(el);		/* Set search pattern !! */
799 	for (h = 1; h < el->el_history.eventno && hp; h++) {
801 		(void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp);
803 		if ((Strncmp(hp, el->el_line.buffer, (size_t)
804 			    (el->el_line.lastchar - el->el_line.buffer)) ||
805 			hp[el->el_line.lastchar - el->el_line.buffer]) &&
806 		    c_hmatch(el, hp))
808 		hp = HIST_NEXT(el);
812 		if (!c_hmatch(el, el->el_history.buf)) {
814 			(void) fprintf(el->el_errfile, "not found\n");
819 	el->el_history.eventno = found;
821 	return hist_get(el);
831 ed_prev_line(EditLine *el, Int c __attribute__((__unused__)))
834 	int nchars = c_hpos(el);
839 	if (*(ptr = el->el_line.cursor) == '\n')
842 	for (; ptr >= el->el_line.buffer; ptr--)
843 		if (*ptr == '\n' && --el->el_state.argument <= 0)
846 	if (el->el_state.argument > 0)
852 	for (ptr--; ptr >= el->el_line.buffer && *ptr != '\n'; ptr--)
859 	    nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n';
863 	el->el_line.cursor = ptr;
874 ed_next_line(EditLine *el, Int c __attribute__((__unused__)))
877 	int nchars = c_hpos(el);
882 	for (ptr = el->el_line.cursor; ptr < el->el_line.lastchar; ptr++)
883 		if (*ptr == '\n' && --el->el_state.argument <= 0)
886 	if (el->el_state.argument > 0)
893 	    nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n';
897 	el->el_line.cursor = ptr;
908 ed_command(EditLine *el, Int c __attribute__((__unused__)))
913 	tmplen = c_gets(el, tmpbuf, STR("\n: "));
914 	terminal__putc(el, '\n');
916 	if (tmplen < 0 || (tmpbuf[tmplen] = 0, parse_line(el, tmpbuf)) == -1)
917 		terminal_beep(el);
919 	el->el_map.current = el->el_map.key;
920 	re_clear_display(el);