lib/libedit/search.c

57 #include "el.h"
63 #define	EL_CURSOR(el) \
64     ((el)->el_line.cursor + (((el)->el_map.type == MAP_VI) && \
65 			    ((el)->el_map.current == (el)->el_map.alt)))
71 search_init(EditLine *el)
74 	el->el_search.patbuf = el_malloc(EL_BUFSIZ *
75 	    sizeof(*el->el_search.patbuf));
76 	if (el->el_search.patbuf == NULL)
78 	el->el_search.patlen = 0;
79 	el->el_search.patdir = -1;
80 	el->el_search.chacha = '\0';
81 	el->el_search.chadir = CHAR_FWD;
82 	el->el_search.chatflg = 0;
91 search_end(EditLine *el)
94 	el_free(el->el_search.patbuf);
95 	el->el_search.patbuf = NULL;
164 c_hmatch(EditLine *el, const Char *str)
167 	(void) fprintf(el->el_errfile, "match `%s' with `%s'\n",
168 	    el->el_search.patbuf, str);
171 	return el_match(str, el->el_search.patbuf);
179 c_setpat(EditLine *el)
181 	if (el->el_state.lastcmd != ED_SEARCH_PREV_HISTORY &&
182 	    el->el_state.lastcmd != ED_SEARCH_NEXT_HISTORY) {
183 		el->el_search.patlen =
184 		    (size_t)(EL_CURSOR(el) - el->el_line.buffer);
185 		if (el->el_search.patlen >= EL_BUFSIZ)
186 			el->el_search.patlen = EL_BUFSIZ - 1;
187 		if (el->el_search.patlen != 0) {
188 			(void) Strncpy(el->el_search.patbuf, el->el_line.buffer,
189 			    el->el_search.patlen);
190 			el->el_search.patbuf[el->el_search.patlen] = '\0';
192 			el->el_search.patlen = Strlen(el->el_search.patbuf);
195 	(void) fprintf(el->el_errfile, "\neventno = %d\n",
196 	    el->el_history.eventno);
197 	(void) fprintf(el->el_errfile, "patlen = %d\n", el->el_search.patlen);
198 	(void) fprintf(el->el_errfile, "patbuf = \"%s\"\n",
199 	    el->el_search.patbuf);
200 	(void) fprintf(el->el_errfile, "cursor %d lastchar %d\n",
201 	    EL_CURSOR(el) - el->el_line.buffer,
202 	    el->el_line.lastchar - el->el_line.buffer);
211 ce_inc_search(EditLine *el, int dir)
217 	Char *ocursor = el->el_line.cursor, oldpchar = pchar, ch;
223 	int ohisteventno = el->el_history.eventno;
224 	size_t oldpatlen = el->el_search.patlen;
228 	if (el->el_line.lastchar + sizeof(STRfwd) /
229 	    sizeof(*el->el_line.lastchar) + 2 +
230 	    el->el_search.patlen >= el->el_line.limit)
235 		if (el->el_search.patlen == 0) {	/* first round */
239 			el->el_search.patbuf[el->el_search.patlen++] = '.';
240 			el->el_search.patbuf[el->el_search.patlen++] = '*';
246 		*el->el_line.lastchar++ = '\n';
248 		    *cp; *el->el_line.lastchar++ = *cp++)
250 		*el->el_line.lastchar++ = pchar;
251 		for (cp = &el->el_search.patbuf[LEN];
252 		    cp < &el->el_search.patbuf[el->el_search.patlen];
253 		    *el->el_line.lastchar++ = *cp++)
255 		*el->el_line.lastchar = '\0';
256 		re_refresh(el);
258 		if (el_wgetc(el, &wch) != 1)
259 			return ed_end_of_file(el, 0);
263 		switch (el->el_map.current[(unsigned char) ch]) {
266 			if (el->el_search.patlen >= EL_BUFSIZ - LEN)
267 				terminal_beep(el);
269 				el->el_search.patbuf[el->el_search.patlen++] =
271 				*el->el_line.lastchar++ = ch;
272 				*el->el_line.lastchar = '\0';
273 				re_refresh(el);
289 			if (el->el_search.patlen > LEN)
292 				terminal_beep(el);
304 				for (cp = &el->el_search.patbuf[LEN];; cp++)
305 				    if (cp >= &el->el_search.patbuf[
306 					el->el_search.patlen]) {
307 					el->el_line.cursor +=
308 					    el->el_search.patlen - LEN - 1;
309 					cp = c__next_word(el->el_line.cursor,
310 					    el->el_line.lastchar, 1,
312 					while (el->el_line.cursor < cp &&
313 					    *el->el_line.cursor != '\n') {
314 						if (el->el_search.patlen >=
316 							terminal_beep(el);
319 						el->el_search.patbuf[el->el_search.patlen++] =
320 						    *el->el_line.cursor;
321 						*el->el_line.lastchar++ =
322 						    *el->el_line.cursor++;
324 					el->el_line.cursor = ocursor;
325 					*el->el_line.lastchar = '\0';
326 					re_refresh(el);
329 					    terminal_beep(el);
336 				FUN(el,push)(el, endcmd);
347 		while (el->el_line.lastchar > el->el_line.buffer &&
348 		    *el->el_line.lastchar != '\n')
349 			*el->el_line.lastchar-- = '\0';
350 		*el->el_line.lastchar = '\0';
355 			for (cp = &el->el_search.patbuf[el->el_search.patlen-1],
357 			    cp >= &el->el_search.patbuf[LEN];
363 			if (el->el_search.patlen > LEN && ch != L'[') {
366 						el->el_history.eventno =
368 						if (hist_get(el) == CC_ERROR)
369 							/* el->el_history.event
372 							(void) hist_get(el);
373 						el->el_line.cursor = newdir ==
375 						    el->el_line.lastchar :
376 						    el->el_line.buffer;
378 						el->el_line.cursor +=
384 				el->el_search.patbuf[el->el_search.patlen++] =
386 				el->el_search.patbuf[el->el_search.patlen++] =
389 				el->el_search.patbuf[el->el_search.patlen] =
391 				if (el->el_line.cursor < el->el_line.buffer ||
392 				    el->el_line.cursor > el->el_line.lastchar ||
393 				    (ret = ce_search_line(el, newdir))
396 					el->el_state.lastcmd =
400 					    ed_search_prev_history(el, 0) :
401 					    ed_search_next_history(el, 0));
403 						el->el_line.cursor = newdir ==
405 						    el->el_line.lastchar :
406 						    el->el_line.buffer;
407 						(void) ce_search_line(el,
411 				el->el_search.patlen -= LEN;
412 				el->el_search.patbuf[el->el_search.patlen] =
415 					terminal_beep(el);
416 					if (el->el_history.eventno !=
418 						el->el_history.eventno =
420 						if (hist_get(el) == CC_ERROR)
423 					el->el_line.cursor = ocursor;
429 			ret = ce_inc_search(el, newdir);
442 			el->el_search.patlen = oldpatlen;
443 			if (el->el_history.eventno != ohisteventno) {
444 				el->el_history.eventno = ohisteventno;
445 				if (hist_get(el) == CC_ERROR)
448 			el->el_line.cursor = ocursor;
450 				re_refresh(el);
462 cv_search(EditLine *el, int dir)
474 	el->el_search.patdir = dir;
476 	tmplen = c_gets(el, &tmpbuf[LEN],
489 		if (el->el_search.patlen == 0) {
490 			re_refresh(el);
494 		if (el->el_search.patbuf[0] != '.' &&
495 		    el->el_search.patbuf[0] != '*') {
496 			(void) Strncpy(tmpbuf, el->el_search.patbuf,
498 			el->el_search.patbuf[0] = '.';
499 			el->el_search.patbuf[1] = '*';
500 			(void) Strncpy(&el->el_search.patbuf[2], tmpbuf,
502 			el->el_search.patlen++;
503 			el->el_search.patbuf[el->el_search.patlen++] = '.';
504 			el->el_search.patbuf[el->el_search.patlen++] = '*';
505 			el->el_search.patbuf[el->el_search.patlen] = '\0';
514 		(void) Strncpy(el->el_search.patbuf, tmpbuf, EL_BUFSIZ - 1);
515 		el->el_search.patlen = (size_t)tmplen;
517 	el->el_state.lastcmd = (el_action_t) dir;	/* avoid c_setpat */
518 	el->el_line.cursor = el->el_line.lastchar = el->el_line.buffer;
519 	if ((dir == ED_SEARCH_PREV_HISTORY ? ed_search_prev_history(el, 0) :
520 	    ed_search_next_history(el, 0)) == CC_ERROR) {
521 		re_refresh(el);
525 		re_refresh(el);
526 		return ed_newline(el, 0);
536 ce_search_line(EditLine *el, int dir)
538 	Char *cp = el->el_line.cursor;
539 	Char *pattern = el->el_search.patbuf;
551 		for (; cp >= el->el_line.buffer; cp--) {
554 				el->el_line.cursor = cp;
561 		for (; *cp != '\0' && cp < el->el_line.limit; cp++) {
564 				el->el_line.cursor = cp;
578 cv_repeat_srch(EditLine *el, wint_t c)
582 	(void) fprintf(el->el_errfile, "dir %d patlen %d patbuf %s\n",
583 	    c, el->el_search.patlen, ct_encode_string(el->el_search.patbuf));
586 	el->el_state.lastcmd = (el_action_t) c;	/* Hack to stop c_setpat */
587 	el->el_line.lastchar = el->el_line.buffer;
591 		return ed_search_next_history(el, 0);
593 		return ed_search_prev_history(el, 0);
604 cv_csearch(EditLine *el, int direction, wint_t ch, int count, int tflag)
612 		if (el_wgetc(el, &ch) != 1)
613 			return ed_end_of_file(el, 0);
617 	el->el_search.chacha = (Char)ch;
618 	el->el_search.chadir = direction;
619 	el->el_search.chatflg = (char)tflag;
621 	cp = el->el_line.cursor;
626 			if (cp >= el->el_line.lastchar)
628 			if (cp < el->el_line.buffer)
638 	el->el_line.cursor = cp;
640 	if (el->el_chared.c_vcmd.action != NOP) {
642 			el->el_line.cursor++;
643 		cv_delfini(el);