lib/libedit/search.c

51 #include "el.h"
56 #define	EL_CURSOR(el) \
57     ((el)->el_line.cursor + (((el)->el_map.type == MAP_VI) && \
58 			    ((el)->el_map.current == (el)->el_map.alt)))
64 search_init(EditLine *el)
67 	el->el_search.patbuf = (char *) el_malloc(EL_BUFSIZ);
68 	if (el->el_search.patbuf == NULL)
70 	el->el_search.patlen = 0;
71 	el->el_search.patdir = -1;
72 	el->el_search.chacha = '\0';
73 	el->el_search.chadir = CHAR_FWD;
74 	el->el_search.chatflg = 0;
83 search_end(EditLine *el)
86 	el_free((ptr_t) el->el_search.patbuf);
87 	el->el_search.patbuf = NULL;
152 c_hmatch(EditLine *el, const char *str)
155 	(void) fprintf(el->el_errfile, "match `%s' with `%s'\n",
156 	    el->el_search.patbuf, str);
159 	return (el_match(str, el->el_search.patbuf));
167 c_setpat(EditLine *el)
169 	if (el->el_state.lastcmd != ED_SEARCH_PREV_HISTORY &&
170 	    el->el_state.lastcmd != ED_SEARCH_NEXT_HISTORY) {
171 		el->el_search.patlen = EL_CURSOR(el) - el->el_line.buffer;
172 		if (el->el_search.patlen >= EL_BUFSIZ)
173 			el->el_search.patlen = EL_BUFSIZ - 1;
174 		if (el->el_search.patlen != 0) {
175 			(void) strncpy(el->el_search.patbuf, el->el_line.buffer,
176 			    el->el_search.patlen);
177 			el->el_search.patbuf[el->el_search.patlen] = '\0';
179 			el->el_search.patlen = strlen(el->el_search.patbuf);
182 	(void) fprintf(el->el_errfile, "\neventno = %d\n",
183 	    el->el_history.eventno);
184 	(void) fprintf(el->el_errfile, "patlen = %d\n", el->el_search.patlen);
185 	(void) fprintf(el->el_errfile, "patbuf = \"%s\"\n",
186 	    el->el_search.patbuf);
187 	(void) fprintf(el->el_errfile, "cursor %d lastchar %d\n",
188 	    EL_CURSOR(el) - el->el_line.buffer,
189 	    el->el_line.lastchar - el->el_line.buffer);
198 ce_inc_search(EditLine *el, int dir)
204 	char ch, *ocursor = el->el_line.cursor, oldpchar = pchar;
209 	int ohisteventno = el->el_history.eventno;
210 	size_t oldpatlen = el->el_search.patlen;
214 	if (el->el_line.lastchar + sizeof(STRfwd) / sizeof(char) + 2 +
215 	    el->el_search.patlen >= el->el_line.limit)
220 		if (el->el_search.patlen == 0) {	/* first round */
224 			el->el_search.patbuf[el->el_search.patlen++] = '.';
225 			el->el_search.patbuf[el->el_search.patlen++] = '*';
231 		*el->el_line.lastchar++ = '\n';
233 		    *cp; *el->el_line.lastchar++ = *cp++)
235 		*el->el_line.lastchar++ = pchar;
236 		for (cp = &el->el_search.patbuf[LEN];
237 		    cp < &el->el_search.patbuf[el->el_search.patlen];
238 		    *el->el_line.lastchar++ = *cp++)
240 		*el->el_line.lastchar = '\0';
241 		re_refresh(el);
243 		if (el_getc(el, &ch) != 1)
244 			return (ed_end_of_file(el, 0));
246 		switch (el->el_map.current[(unsigned char) ch]) {
249 			if (el->el_search.patlen >= EL_BUFSIZ - LEN)
250 				term_beep(el);
252 				el->el_search.patbuf[el->el_search.patlen++] =
254 				*el->el_line.lastchar++ = ch;
255 				*el->el_line.lastchar = '\0';
256 				re_refresh(el);
272 			if (el->el_search.patlen > LEN)
275 				term_beep(el);
287 				for (cp = &el->el_search.patbuf[LEN];; cp++)
288 				    if (cp >= &el->el_search.patbuf[
289 					el->el_search.patlen]) {
290 					el->el_line.cursor +=
291 					    el->el_search.patlen - LEN - 1;
292 					cp = c__next_word(el->el_line.cursor,
293 					    el->el_line.lastchar, 1,
295 					while (el->el_line.cursor < cp &&
296 					    *el->el_line.cursor != '\n') {
297 						if (el->el_search.patlen >=
299 							term_beep(el);
302 						el->el_search.patbuf[el->el_search.patlen++] =
303 						    *el->el_line.cursor;
304 						*el->el_line.lastchar++ =
305 						    *el->el_line.cursor++;
307 					el->el_line.cursor = ocursor;
308 					*el->el_line.lastchar = '\0';
309 					re_refresh(el);
312 					    term_beep(el);
319 				el_push(el, endcmd);
330 		while (el->el_line.lastchar > el->el_line.buffer &&
331 		    *el->el_line.lastchar != '\n')
332 			*el->el_line.lastchar-- = '\0';
333 		*el->el_line.lastchar = '\0';
338 			for (cp = &el->el_search.patbuf[el->el_search.patlen-1],
340 			    cp >= &el->el_search.patbuf[LEN];
346 			if (el->el_search.patlen > LEN && ch != '[') {
349 						el->el_history.eventno =
351 						if (hist_get(el) == CC_ERROR)
352 							/* el->el_history.event
355 							(void) hist_get(el);
356 						el->el_line.cursor = newdir ==
358 						    el->el_line.lastchar :
359 						    el->el_line.buffer;
361 						el->el_line.cursor +=
367 				el->el_search.patbuf[el->el_search.patlen++] =
369 				el->el_search.patbuf[el->el_search.patlen++] =
372 				el->el_search.patbuf[el->el_search.patlen] =
374 				if (el->el_line.cursor < el->el_line.buffer ||
375 				    el->el_line.cursor > el->el_line.lastchar ||
376 				    (ret = ce_search_line(el, newdir))
379 					el->el_state.lastcmd =
382 					    ed_search_prev_history(el, 0) :
383 					    ed_search_next_history(el, 0);
385 						el->el_line.cursor = newdir ==
387 						    el->el_line.lastchar :
388 						    el->el_line.buffer;
389 						(void) ce_search_line(el,
393 				el->el_search.patlen -= LEN;
394 				el->el_search.patbuf[el->el_search.patlen] =
397 					term_beep(el);
398 					if (el->el_history.eventno !=
400 						el->el_history.eventno =
402 						if (hist_get(el) == CC_ERROR)
405 					el->el_line.cursor = ocursor;
411 			ret = ce_inc_search(el, newdir);
424 			el->el_search.patlen = oldpatlen;
425 			if (el->el_history.eventno != ohisteventno) {
426 				el->el_history.eventno = ohisteventno;
427 				if (hist_get(el) == CC_ERROR)
430 			el->el_line.cursor = ocursor;
432 				re_refresh(el);
444 cv_search(EditLine *el, int dir)
456 	el->el_search.patdir = dir;
458 	tmplen = c_gets(el, &tmpbuf[LEN],
471 		if (el->el_search.patlen == 0) {
472 			re_refresh(el);
476 		if (el->el_search.patbuf[0] != '.' &&
477 		    el->el_search.patbuf[0] != '*') {
478 			(void) strncpy(tmpbuf, el->el_search.patbuf,
480 			el->el_search.patbuf[0] = '.';
481 			el->el_search.patbuf[1] = '*';
482 			(void) strncpy(&el->el_search.patbuf[2], tmpbuf,
484 			el->el_search.patlen++;
485 			el->el_search.patbuf[el->el_search.patlen++] = '.';
486 			el->el_search.patbuf[el->el_search.patlen++] = '*';
487 			el->el_search.patbuf[el->el_search.patlen] = '\0';
496 		(void) strncpy(el->el_search.patbuf, tmpbuf, EL_BUFSIZ - 1);
497 		el->el_search.patlen = tmplen;
499 	el->el_state.lastcmd = (el_action_t) dir;	/* avoid c_setpat */
500 	el->el_line.cursor = el->el_line.lastchar = el->el_line.buffer;
501 	if ((dir == ED_SEARCH_PREV_HISTORY ? ed_search_prev_history(el, 0) :
502 	    ed_search_next_history(el, 0)) == CC_ERROR) {
503 		re_refresh(el);
507 		re_refresh(el);
508 		return ed_newline(el, 0);
518 ce_search_line(EditLine *el, int dir)
520 	char *cp = el->el_line.cursor;
521 	char *pattern = el->el_search.patbuf;
533 		for (; cp >= el->el_line.buffer; cp--) {
536 				el->el_line.cursor = cp;
543 		for (; *cp != '\0' && cp < el->el_line.limit; cp++) {
546 				el->el_line.cursor = cp;
560 cv_repeat_srch(EditLine *el, int c)
564 	(void) fprintf(el->el_errfile, "dir %d patlen %d patbuf %s\n",
565 	    c, el->el_search.patlen, el->el_search.patbuf);
568 	el->el_state.lastcmd = (el_action_t) c;	/* Hack to stop c_setpat */
569 	el->el_line.lastchar = el->el_line.buffer;
573 		return (ed_search_next_history(el, 0));
575 		return (ed_search_prev_history(el, 0));
586 cv_csearch(EditLine *el, int direction, int ch, int count, int tflag)
595 		if (el_getc(el, &c) != 1)
596 			return ed_end_of_file(el, 0);
601 	el->el_search.chacha = ch;
602 	el->el_search.chadir = direction;
603 	el->el_search.chatflg = tflag;
605 	cp = el->el_line.cursor;
610 			if (cp >= el->el_line.lastchar)
612 			if (cp < el->el_line.buffer)
622 	el->el_line.cursor = cp;
624 	if (el->el_chared.c_vcmd.action != NOP) {
626 			el->el_line.cursor++;
627 		cv_delfini(el);