11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1992, 1993 31573Srgrimes * The Regents of the University of California. All rights reserved. 41573Srgrimes * 51573Srgrimes * This code is derived from software contributed to Berkeley by 61573Srgrimes * Christos Zoulas of Cornell University. 71573Srgrimes * 81573Srgrimes * Redistribution and use in source and binary forms, with or without 91573Srgrimes * modification, are permitted provided that the following conditions 101573Srgrimes * are met: 111573Srgrimes * 1. Redistributions of source code must retain the above copyright 121573Srgrimes * notice, this list of conditions and the following disclaimer. 131573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141573Srgrimes * notice, this list of conditions and the following disclaimer in the 151573Srgrimes * documentation and/or other materials provided with the distribution. 16148834Sstefanf * 3. Neither the name of the University nor the names of its contributors 171573Srgrimes * may be used to endorse or promote products derived from this software 181573Srgrimes * without specific prior written permission. 191573Srgrimes * 201573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 211573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 241573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301573Srgrimes * SUCH DAMAGE. 3184260Sobrien * 32237448Spfg * $NetBSD: search.c,v 1.21 2009/02/15 21:55:23 christos Exp $ 331573Srgrimes */ 341573Srgrimes 351573Srgrimes#if !defined(lint) && !defined(SCCSID) 361573Srgrimesstatic char sccsid[] = "@(#)search.c 8.1 (Berkeley) 6/4/93"; 371573Srgrimes#endif /* not lint && not SCCSID */ 3884260Sobrien#include <sys/cdefs.h> 3984260Sobrien__FBSDID("$FreeBSD$"); 401573Srgrimes 411573Srgrimes/* 421573Srgrimes * search.c: History and character search functions 431573Srgrimes */ 441573Srgrimes#include "sys.h" 451573Srgrimes#include <stdlib.h> 4626926Smsmith#if defined(REGEX) 473285Sache#include <regex.h> 4826926Smsmith#elif defined(REGEXP) 491573Srgrimes#include <regexp.h> 501573Srgrimes#endif 511573Srgrimes#include "el.h" 521573Srgrimes 531573Srgrimes/* 541573Srgrimes * Adjust cursor in vi mode to include the character under it 551573Srgrimes */ 5684260Sobrien#define EL_CURSOR(el) \ 571573Srgrimes ((el)->el_line.cursor + (((el)->el_map.type == MAP_VI) && \ 581573Srgrimes ((el)->el_map.current == (el)->el_map.alt))) 591573Srgrimes 601573Srgrimes/* search_init(): 611573Srgrimes * Initialize the search stuff 621573Srgrimes */ 631573Srgrimesprotected int 6484260Sobriensearch_init(EditLine *el) 651573Srgrimes{ 6684260Sobrien 6784260Sobrien el->el_search.patbuf = (char *) el_malloc(EL_BUFSIZ); 6884260Sobrien if (el->el_search.patbuf == NULL) 6984260Sobrien return (-1); 7084260Sobrien el->el_search.patlen = 0; 7184260Sobrien el->el_search.patdir = -1; 7284260Sobrien el->el_search.chacha = '\0'; 73148834Sstefanf el->el_search.chadir = CHAR_FWD; 74148834Sstefanf el->el_search.chatflg = 0; 7584260Sobrien return (0); 761573Srgrimes} 771573Srgrimes 781573Srgrimes 791573Srgrimes/* search_end(): 801573Srgrimes * Initialize the search stuff 811573Srgrimes */ 821573Srgrimesprotected void 8384260Sobriensearch_end(EditLine *el) 841573Srgrimes{ 8584260Sobrien 8684260Sobrien el_free((ptr_t) el->el_search.patbuf); 8784260Sobrien el->el_search.patbuf = NULL; 881573Srgrimes} 891573Srgrimes 9084260Sobrien 911573Srgrimes#ifdef REGEXP 921573Srgrimes/* regerror(): 931573Srgrimes * Handle regular expression errors 941573Srgrimes */ 958870Srgrimespublic void 961573Srgrimes/*ARGSUSED*/ 9784260Sobrienregerror(const char *msg) 981573Srgrimes{ 991573Srgrimes} 1001573Srgrimes#endif 1011573Srgrimes 10284260Sobrien 1031573Srgrimes/* el_match(): 1041573Srgrimes * Return if string matches pattern 1051573Srgrimes */ 1061573Srgrimesprotected int 10784260Sobrienel_match(const char *str, const char *pat) 1081573Srgrimes{ 10926926Smsmith#if defined (REGEX) 11084260Sobrien regex_t re; 11184260Sobrien int rv; 11226926Smsmith#elif defined (REGEXP) 11384260Sobrien regexp *rp; 11484260Sobrien int rv; 11584260Sobrien#else 11684260Sobrien extern char *re_comp(const char *); 11784260Sobrien extern int re_exec(const char *); 1181573Srgrimes#endif 1191573Srgrimes 12084260Sobrien if (strstr(str, pat) != NULL) 12184260Sobrien return (1); 12226926Smsmith 12326926Smsmith#if defined(REGEX) 12484260Sobrien if (regcomp(&re, pat, 0) == 0) { 12584260Sobrien rv = regexec(&re, str, 0, NULL, 0) == 0; 12684260Sobrien regfree(&re); 12784260Sobrien } else { 12884260Sobrien rv = 0; 12984260Sobrien } 13084260Sobrien return (rv); 13126926Smsmith#elif defined(REGEXP) 13284260Sobrien if ((re = regcomp(pat)) != NULL) { 13384260Sobrien rv = regexec(re, str); 13484260Sobrien free((ptr_t) re); 13584260Sobrien } else { 13684260Sobrien rv = 0; 13784260Sobrien } 13884260Sobrien return (rv); 1393285Sache#else 14084260Sobrien if (re_comp(pat) != NULL) 14184260Sobrien return (0); 14284260Sobrien else 14384260Sobrien return (re_exec(str) == 1); 1441573Srgrimes#endif 1451573Srgrimes} 1461573Srgrimes 1471573Srgrimes 1481573Srgrimes/* c_hmatch(): 1491573Srgrimes * return True if the pattern matches the prefix 1501573Srgrimes */ 1511573Srgrimesprotected int 15284260Sobrienc_hmatch(EditLine *el, const char *str) 1531573Srgrimes{ 1541573Srgrimes#ifdef SDEBUG 15584260Sobrien (void) fprintf(el->el_errfile, "match `%s' with `%s'\n", 15684260Sobrien el->el_search.patbuf, str); 1571573Srgrimes#endif /* SDEBUG */ 1588870Srgrimes 15984260Sobrien return (el_match(str, el->el_search.patbuf)); 1601573Srgrimes} 1611573Srgrimes 1621573Srgrimes 1638870Srgrimes/* c_setpat(): 1641573Srgrimes * Set the history seatch pattern 1651573Srgrimes */ 1661573Srgrimesprotected void 16784260Sobrienc_setpat(EditLine *el) 1681573Srgrimes{ 16984260Sobrien if (el->el_state.lastcmd != ED_SEARCH_PREV_HISTORY && 17084260Sobrien el->el_state.lastcmd != ED_SEARCH_NEXT_HISTORY) { 17184260Sobrien el->el_search.patlen = EL_CURSOR(el) - el->el_line.buffer; 17284260Sobrien if (el->el_search.patlen >= EL_BUFSIZ) 17384260Sobrien el->el_search.patlen = EL_BUFSIZ - 1; 17484260Sobrien if (el->el_search.patlen != 0) { 17584260Sobrien (void) strncpy(el->el_search.patbuf, el->el_line.buffer, 17684260Sobrien el->el_search.patlen); 17784260Sobrien el->el_search.patbuf[el->el_search.patlen] = '\0'; 17884260Sobrien } else 17984260Sobrien el->el_search.patlen = strlen(el->el_search.patbuf); 1801573Srgrimes } 1811573Srgrimes#ifdef SDEBUG 18284260Sobrien (void) fprintf(el->el_errfile, "\neventno = %d\n", 18384260Sobrien el->el_history.eventno); 18484260Sobrien (void) fprintf(el->el_errfile, "patlen = %d\n", el->el_search.patlen); 18584260Sobrien (void) fprintf(el->el_errfile, "patbuf = \"%s\"\n", 18684260Sobrien el->el_search.patbuf); 18784260Sobrien (void) fprintf(el->el_errfile, "cursor %d lastchar %d\n", 18884260Sobrien EL_CURSOR(el) - el->el_line.buffer, 18984260Sobrien el->el_line.lastchar - el->el_line.buffer); 1901573Srgrimes#endif 1911573Srgrimes} 1921573Srgrimes 1931573Srgrimes 1941573Srgrimes/* ce_inc_search(): 1951573Srgrimes * Emacs incremental search 1961573Srgrimes */ 1971573Srgrimesprotected el_action_t 19884260Sobrience_inc_search(EditLine *el, int dir) 1991573Srgrimes{ 20084260Sobrien static const char STRfwd[] = {'f', 'w', 'd', '\0'}, 20184260Sobrien STRbck[] = {'b', 'c', 'k', '\0'}; 20284260Sobrien static char pchar = ':';/* ':' = normal, '?' = failed */ 20384260Sobrien static char endcmd[2] = {'\0', '\0'}; 20484260Sobrien char ch, *ocursor = el->el_line.cursor, oldpchar = pchar; 20584260Sobrien const char *cp; 2061573Srgrimes 20784260Sobrien el_action_t ret = CC_NORM; 2081573Srgrimes 20984260Sobrien int ohisteventno = el->el_history.eventno; 210237448Spfg size_t oldpatlen = el->el_search.patlen; 21184260Sobrien int newdir = dir; 21284260Sobrien int done, redo; 2131573Srgrimes 21484260Sobrien if (el->el_line.lastchar + sizeof(STRfwd) / sizeof(char) + 2 + 21584260Sobrien el->el_search.patlen >= el->el_line.limit) 21684260Sobrien return (CC_ERROR); 2171573Srgrimes 21884260Sobrien for (;;) { 2191573Srgrimes 22084260Sobrien if (el->el_search.patlen == 0) { /* first round */ 22184260Sobrien pchar = ':'; 2221573Srgrimes#ifdef ANCHOR 223148834Sstefanf#define LEN 2 22484260Sobrien el->el_search.patbuf[el->el_search.patlen++] = '.'; 22584260Sobrien el->el_search.patbuf[el->el_search.patlen++] = '*'; 226148834Sstefanf#else 227148834Sstefanf#define LEN 0 2281573Srgrimes#endif 22984260Sobrien } 23084260Sobrien done = redo = 0; 23184260Sobrien *el->el_line.lastchar++ = '\n'; 23284260Sobrien for (cp = (newdir == ED_SEARCH_PREV_HISTORY) ? STRbck : STRfwd; 23384260Sobrien *cp; *el->el_line.lastchar++ = *cp++) 23484260Sobrien continue; 23584260Sobrien *el->el_line.lastchar++ = pchar; 236148834Sstefanf for (cp = &el->el_search.patbuf[LEN]; 23784260Sobrien cp < &el->el_search.patbuf[el->el_search.patlen]; 23884260Sobrien *el->el_line.lastchar++ = *cp++) 23984260Sobrien continue; 2401573Srgrimes *el->el_line.lastchar = '\0'; 2411573Srgrimes re_refresh(el); 2421573Srgrimes 24384260Sobrien if (el_getc(el, &ch) != 1) 24484260Sobrien return (ed_end_of_file(el, 0)); 2451573Srgrimes 24684260Sobrien switch (el->el_map.current[(unsigned char) ch]) { 24784260Sobrien case ED_INSERT: 24884260Sobrien case ED_DIGIT: 249148834Sstefanf if (el->el_search.patlen >= EL_BUFSIZ - LEN) 25084260Sobrien term_beep(el); 25184260Sobrien else { 25284260Sobrien el->el_search.patbuf[el->el_search.patlen++] = 25384260Sobrien ch; 25484260Sobrien *el->el_line.lastchar++ = ch; 25584260Sobrien *el->el_line.lastchar = '\0'; 25684260Sobrien re_refresh(el); 25784260Sobrien } 25884260Sobrien break; 2591573Srgrimes 26084260Sobrien case EM_INC_SEARCH_NEXT: 26184260Sobrien newdir = ED_SEARCH_NEXT_HISTORY; 26284260Sobrien redo++; 26384260Sobrien break; 2641573Srgrimes 26584260Sobrien case EM_INC_SEARCH_PREV: 26684260Sobrien newdir = ED_SEARCH_PREV_HISTORY; 26784260Sobrien redo++; 26884260Sobrien break; 2691573Srgrimes 270148834Sstefanf case EM_DELETE_PREV_CHAR: 27184260Sobrien case ED_DELETE_PREV_CHAR: 272148834Sstefanf if (el->el_search.patlen > LEN) 27384260Sobrien done++; 27484260Sobrien else 2751573Srgrimes term_beep(el); 2761573Srgrimes break; 2778870Srgrimes 27884260Sobrien default: 27984260Sobrien switch (ch) { 28084260Sobrien case 0007: /* ^G: Abort */ 28184260Sobrien ret = CC_ERROR; 28284260Sobrien done++; 28384260Sobrien break; 2841573Srgrimes 28584260Sobrien case 0027: /* ^W: Append word */ 28684260Sobrien /* No can do if globbing characters in pattern */ 287148834Sstefanf for (cp = &el->el_search.patbuf[LEN];; cp++) 288148834Sstefanf if (cp >= &el->el_search.patbuf[ 289148834Sstefanf el->el_search.patlen]) { 29084260Sobrien el->el_line.cursor += 291148834Sstefanf el->el_search.patlen - LEN - 1; 29284260Sobrien cp = c__next_word(el->el_line.cursor, 29384260Sobrien el->el_line.lastchar, 1, 29484260Sobrien ce__isword); 29584260Sobrien while (el->el_line.cursor < cp && 29684260Sobrien *el->el_line.cursor != '\n') { 297148834Sstefanf if (el->el_search.patlen >= 298148834Sstefanf EL_BUFSIZ - LEN) { 29984260Sobrien term_beep(el); 30084260Sobrien break; 30184260Sobrien } 30284260Sobrien el->el_search.patbuf[el->el_search.patlen++] = 30384260Sobrien *el->el_line.cursor; 30484260Sobrien *el->el_line.lastchar++ = 30584260Sobrien *el->el_line.cursor++; 30684260Sobrien } 30784260Sobrien el->el_line.cursor = ocursor; 30884260Sobrien *el->el_line.lastchar = '\0'; 30984260Sobrien re_refresh(el); 31084260Sobrien break; 31184260Sobrien } else if (isglob(*cp)) { 31284260Sobrien term_beep(el); 31384260Sobrien break; 31484260Sobrien } 31584260Sobrien break; 3161573Srgrimes 31784260Sobrien default: /* Terminate and execute cmd */ 31884260Sobrien endcmd[0] = ch; 31984260Sobrien el_push(el, endcmd); 32084260Sobrien /* FALLTHROUGH */ 3211573Srgrimes 32284260Sobrien case 0033: /* ESC: Terminate */ 32384260Sobrien ret = CC_REFRESH; 32484260Sobrien done++; 32584260Sobrien break; 32684260Sobrien } 32784260Sobrien break; 3281573Srgrimes } 3291573Srgrimes 33084260Sobrien while (el->el_line.lastchar > el->el_line.buffer && 33184260Sobrien *el->el_line.lastchar != '\n') 33284260Sobrien *el->el_line.lastchar-- = '\0'; 33384260Sobrien *el->el_line.lastchar = '\0'; 33484260Sobrien 33584260Sobrien if (!done) { 33684260Sobrien 33784260Sobrien /* Can't search if unmatched '[' */ 33884260Sobrien for (cp = &el->el_search.patbuf[el->el_search.patlen-1], 33984260Sobrien ch = ']'; 340148834Sstefanf cp >= &el->el_search.patbuf[LEN]; 34184260Sobrien cp--) 34284260Sobrien if (*cp == '[' || *cp == ']') { 34384260Sobrien ch = *cp; 34484260Sobrien break; 34584260Sobrien } 346148834Sstefanf if (el->el_search.patlen > LEN && ch != '[') { 34784260Sobrien if (redo && newdir == dir) { 34884260Sobrien if (pchar == '?') { /* wrap around */ 34984260Sobrien el->el_history.eventno = 35084260Sobrien newdir == ED_SEARCH_PREV_HISTORY ? 0 : 0x7fffffff; 35184260Sobrien if (hist_get(el) == CC_ERROR) 35284260Sobrien /* el->el_history.event 35384260Sobrien * no was fixed by 35484260Sobrien * first call */ 35584260Sobrien (void) hist_get(el); 35684260Sobrien el->el_line.cursor = newdir == 35784260Sobrien ED_SEARCH_PREV_HISTORY ? 35884260Sobrien el->el_line.lastchar : 35984260Sobrien el->el_line.buffer; 36084260Sobrien } else 36184260Sobrien el->el_line.cursor += 36284260Sobrien newdir == 36384260Sobrien ED_SEARCH_PREV_HISTORY ? 36484260Sobrien -1 : 1; 36584260Sobrien } 3661573Srgrimes#ifdef ANCHOR 36784260Sobrien el->el_search.patbuf[el->el_search.patlen++] = 36884260Sobrien '.'; 36984260Sobrien el->el_search.patbuf[el->el_search.patlen++] = 37084260Sobrien '*'; 3711573Srgrimes#endif 37284260Sobrien el->el_search.patbuf[el->el_search.patlen] = 37384260Sobrien '\0'; 37484260Sobrien if (el->el_line.cursor < el->el_line.buffer || 37584260Sobrien el->el_line.cursor > el->el_line.lastchar || 376148834Sstefanf (ret = ce_search_line(el, newdir)) 377148834Sstefanf == CC_ERROR) { 37884260Sobrien /* avoid c_setpat */ 37984260Sobrien el->el_state.lastcmd = 38084260Sobrien (el_action_t) newdir; 38184260Sobrien ret = newdir == ED_SEARCH_PREV_HISTORY ? 38284260Sobrien ed_search_prev_history(el, 0) : 38384260Sobrien ed_search_next_history(el, 0); 38484260Sobrien if (ret != CC_ERROR) { 38584260Sobrien el->el_line.cursor = newdir == 38684260Sobrien ED_SEARCH_PREV_HISTORY ? 38784260Sobrien el->el_line.lastchar : 38884260Sobrien el->el_line.buffer; 38984260Sobrien (void) ce_search_line(el, 39084260Sobrien newdir); 39184260Sobrien } 39284260Sobrien } 393148834Sstefanf el->el_search.patlen -= LEN; 394148834Sstefanf el->el_search.patbuf[el->el_search.patlen] = 39584260Sobrien '\0'; 39684260Sobrien if (ret == CC_ERROR) { 39784260Sobrien term_beep(el); 39884260Sobrien if (el->el_history.eventno != 39984260Sobrien ohisteventno) { 40084260Sobrien el->el_history.eventno = 40184260Sobrien ohisteventno; 40284260Sobrien if (hist_get(el) == CC_ERROR) 40384260Sobrien return (CC_ERROR); 40484260Sobrien } 40584260Sobrien el->el_line.cursor = ocursor; 40684260Sobrien pchar = '?'; 40784260Sobrien } else { 40884260Sobrien pchar = ':'; 40984260Sobrien } 41084260Sobrien } 41184260Sobrien ret = ce_inc_search(el, newdir); 41284260Sobrien 41384260Sobrien if (ret == CC_ERROR && pchar == '?' && oldpchar == ':') 41484260Sobrien /* 41584260Sobrien * break abort of failed search at last 41684260Sobrien * non-failed 41784260Sobrien */ 41884260Sobrien ret = CC_NORM; 41984260Sobrien 4201573Srgrimes } 42184260Sobrien if (ret == CC_NORM || (ret == CC_ERROR && oldpatlen == 0)) { 42284260Sobrien /* restore on normal return or error exit */ 42384260Sobrien pchar = oldpchar; 42484260Sobrien el->el_search.patlen = oldpatlen; 42584260Sobrien if (el->el_history.eventno != ohisteventno) { 42684260Sobrien el->el_history.eventno = ohisteventno; 42784260Sobrien if (hist_get(el) == CC_ERROR) 42884260Sobrien return (CC_ERROR); 42984260Sobrien } 43084260Sobrien el->el_line.cursor = ocursor; 43184260Sobrien if (ret == CC_ERROR) 43284260Sobrien re_refresh(el); 4331573Srgrimes } 43484260Sobrien if (done || ret != CC_NORM) 43584260Sobrien return (ret); 4361573Srgrimes } 4371573Srgrimes} 4381573Srgrimes 4391573Srgrimes 4401573Srgrimes/* cv_search(): 4411573Srgrimes * Vi search. 4421573Srgrimes */ 4431573Srgrimesprotected el_action_t 44484260Sobriencv_search(EditLine *el, int dir) 4451573Srgrimes{ 44684260Sobrien char ch; 44784260Sobrien char tmpbuf[EL_BUFSIZ]; 44884260Sobrien int tmplen; 4491573Srgrimes 4501573Srgrimes#ifdef ANCHOR 451148834Sstefanf tmpbuf[0] = '.'; 452148834Sstefanf tmpbuf[1] = '*'; 4531573Srgrimes#endif 454148834Sstefanf tmplen = LEN; 4551573Srgrimes 45684260Sobrien el->el_search.patdir = dir; 4571573Srgrimes 458148834Sstefanf tmplen = c_gets(el, &tmpbuf[LEN], 459148834Sstefanf dir == ED_SEARCH_PREV_HISTORY ? "\n/" : "\n?" ); 460148834Sstefanf if (tmplen == -1) 461148834Sstefanf return CC_REFRESH; 4621573Srgrimes 463148834Sstefanf tmplen += LEN; 46484260Sobrien ch = tmpbuf[tmplen]; 46584260Sobrien tmpbuf[tmplen] = '\0'; 4661573Srgrimes 46784260Sobrien if (tmplen == LEN) { 46884260Sobrien /* 46984260Sobrien * Use the old pattern, but wild-card it. 47084260Sobrien */ 47184260Sobrien if (el->el_search.patlen == 0) { 47284260Sobrien re_refresh(el); 47384260Sobrien return (CC_ERROR); 47484260Sobrien } 4751573Srgrimes#ifdef ANCHOR 47684260Sobrien if (el->el_search.patbuf[0] != '.' && 47784260Sobrien el->el_search.patbuf[0] != '*') { 47884260Sobrien (void) strncpy(tmpbuf, el->el_search.patbuf, 47984260Sobrien sizeof(tmpbuf) - 1); 48084260Sobrien el->el_search.patbuf[0] = '.'; 48184260Sobrien el->el_search.patbuf[1] = '*'; 48284260Sobrien (void) strncpy(&el->el_search.patbuf[2], tmpbuf, 48384260Sobrien EL_BUFSIZ - 3); 48484260Sobrien el->el_search.patlen++; 48584260Sobrien el->el_search.patbuf[el->el_search.patlen++] = '.'; 48684260Sobrien el->el_search.patbuf[el->el_search.patlen++] = '*'; 48784260Sobrien el->el_search.patbuf[el->el_search.patlen] = '\0'; 48884260Sobrien } 4891573Srgrimes#endif 49084260Sobrien } else { 4911573Srgrimes#ifdef ANCHOR 49284260Sobrien tmpbuf[tmplen++] = '.'; 49384260Sobrien tmpbuf[tmplen++] = '*'; 4941573Srgrimes#endif 49584260Sobrien tmpbuf[tmplen] = '\0'; 49684260Sobrien (void) strncpy(el->el_search.patbuf, tmpbuf, EL_BUFSIZ - 1); 49784260Sobrien el->el_search.patlen = tmplen; 4981573Srgrimes } 49984260Sobrien el->el_state.lastcmd = (el_action_t) dir; /* avoid c_setpat */ 50084260Sobrien el->el_line.cursor = el->el_line.lastchar = el->el_line.buffer; 50184260Sobrien if ((dir == ED_SEARCH_PREV_HISTORY ? ed_search_prev_history(el, 0) : 502148834Sstefanf ed_search_next_history(el, 0)) == CC_ERROR) { 50384260Sobrien re_refresh(el); 50484260Sobrien return (CC_ERROR); 50584260Sobrien } 506148834Sstefanf if (ch == 0033) { 507148834Sstefanf re_refresh(el); 508148834Sstefanf return ed_newline(el, 0); 509148834Sstefanf } 510148834Sstefanf return (CC_REFRESH); 5111573Srgrimes} 5121573Srgrimes 5131573Srgrimes 5141573Srgrimes/* ce_search_line(): 5151573Srgrimes * Look for a pattern inside a line 5161573Srgrimes */ 5171573Srgrimesprotected el_action_t 518148834Sstefanfce_search_line(EditLine *el, int dir) 5191573Srgrimes{ 520148834Sstefanf char *cp = el->el_line.cursor; 521148834Sstefanf char *pattern = el->el_search.patbuf; 522148834Sstefanf char oc, *ocp; 523148834Sstefanf#ifdef ANCHOR 524148834Sstefanf ocp = &pattern[1]; 525148834Sstefanf oc = *ocp; 526148834Sstefanf *ocp = '^'; 527148834Sstefanf#else 528148834Sstefanf ocp = pattern; 529148834Sstefanf oc = *ocp; 530148834Sstefanf#endif 5311573Srgrimes 53284260Sobrien if (dir == ED_SEARCH_PREV_HISTORY) { 533148834Sstefanf for (; cp >= el->el_line.buffer; cp--) { 534148834Sstefanf if (el_match(cp, ocp)) { 535148834Sstefanf *ocp = oc; 53684260Sobrien el->el_line.cursor = cp; 53784260Sobrien return (CC_NORM); 53884260Sobrien } 539148834Sstefanf } 540148834Sstefanf *ocp = oc; 54184260Sobrien return (CC_ERROR); 54284260Sobrien } else { 543148834Sstefanf for (; *cp != '\0' && cp < el->el_line.limit; cp++) { 544148834Sstefanf if (el_match(cp, ocp)) { 545148834Sstefanf *ocp = oc; 54684260Sobrien el->el_line.cursor = cp; 54784260Sobrien return (CC_NORM); 54884260Sobrien } 549148834Sstefanf } 550148834Sstefanf *ocp = oc; 55184260Sobrien return (CC_ERROR); 55284260Sobrien } 5531573Srgrimes} 5541573Srgrimes 5551573Srgrimes 5561573Srgrimes/* cv_repeat_srch(): 5571573Srgrimes * Vi repeat search 5581573Srgrimes */ 5591573Srgrimesprotected el_action_t 56084260Sobriencv_repeat_srch(EditLine *el, int c) 5611573Srgrimes{ 56284260Sobrien 5631573Srgrimes#ifdef SDEBUG 56484260Sobrien (void) fprintf(el->el_errfile, "dir %d patlen %d patbuf %s\n", 56584260Sobrien c, el->el_search.patlen, el->el_search.patbuf); 5661573Srgrimes#endif 5671573Srgrimes 56884260Sobrien el->el_state.lastcmd = (el_action_t) c; /* Hack to stop c_setpat */ 56984260Sobrien el->el_line.lastchar = el->el_line.buffer; 5701573Srgrimes 57184260Sobrien switch (c) { 57284260Sobrien case ED_SEARCH_NEXT_HISTORY: 57384260Sobrien return (ed_search_next_history(el, 0)); 57484260Sobrien case ED_SEARCH_PREV_HISTORY: 57584260Sobrien return (ed_search_prev_history(el, 0)); 57684260Sobrien default: 57784260Sobrien return (CC_ERROR); 57884260Sobrien } 5791573Srgrimes} 5801573Srgrimes 5811573Srgrimes 582148834Sstefanf/* cv_csearch(): 583148834Sstefanf * Vi character search 5841573Srgrimes */ 5851573Srgrimesprotected el_action_t 586148834Sstefanfcv_csearch(EditLine *el, int direction, int ch, int count, int tflag) 5871573Srgrimes{ 58884260Sobrien char *cp; 5891573Srgrimes 590148834Sstefanf if (ch == 0) 591148834Sstefanf return CC_ERROR; 5921573Srgrimes 593148834Sstefanf if (ch == -1) { 594148834Sstefanf char c; 595148834Sstefanf if (el_getc(el, &c) != 1) 596148834Sstefanf return ed_end_of_file(el, 0); 597148834Sstefanf ch = c; 59884260Sobrien } 5991573Srgrimes 600148834Sstefanf /* Save for ';' and ',' commands */ 601148834Sstefanf el->el_search.chacha = ch; 602148834Sstefanf el->el_search.chadir = direction; 603148834Sstefanf el->el_search.chatflg = tflag; 6041573Srgrimes 60584260Sobrien cp = el->el_line.cursor; 60684260Sobrien while (count--) { 60784260Sobrien if (*cp == ch) 608148834Sstefanf cp += direction; 609148834Sstefanf for (;;cp += direction) { 610148834Sstefanf if (cp >= el->el_line.lastchar) 611148834Sstefanf return CC_ERROR; 612148834Sstefanf if (cp < el->el_line.buffer) 613148834Sstefanf return CC_ERROR; 614148834Sstefanf if (*cp == ch) 615148834Sstefanf break; 616148834Sstefanf } 61784260Sobrien } 6181573Srgrimes 619148834Sstefanf if (tflag) 620148834Sstefanf cp -= direction; 6211573Srgrimes 62284260Sobrien el->el_line.cursor = cp; 6231573Srgrimes 624148834Sstefanf if (el->el_chared.c_vcmd.action != NOP) { 625148834Sstefanf if (direction > 0) 626148834Sstefanf el->el_line.cursor++; 62784260Sobrien cv_delfini(el); 628148834Sstefanf return CC_REFRESH; 62984260Sobrien } 630148834Sstefanf return CC_CURSOR; 6311573Srgrimes} 632