1 /* 2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 7 /* All Rights Reserved */ 8 9 /* 10 * Copyright (c) 1980 Regents of the University of California. 11 * All rights reserved. The Berkeley software License Agreement 12 * specifies the terms and conditions for redistribution. 13 */ 14 15 #include "refer..c" 16 #include <locale.h> 17 #define NFLD 30 18 #define TLEN 512 19 20 extern FILE *in; 21 char one[ANSLEN]; 22 int onelen = ANSLEN; 23 static char dr [100] = ""; 24 25 extern int prefix(); 26 extern int common(); 27 extern void dumpold(); 28 extern void putref(); 29 extern void flout(); 30 extern int tabs(); 31 extern int chkdup(); 32 extern void putsig(); 33 extern void putkey(); 34 extern void err(); 35 extern int corout(); 36 37 void choices(char *); 38 int control(char); 39 static int newline(char *); 40 41 void 42 doref(char *line1) 43 { 44 char buff[QLEN], dbuff[3*QLEN]; 45 char answer[ANSLEN], temp[TLEN], line[BUFSIZ]; 46 char *p, **sr, *flds[NFLD], *r; 47 int stat, nf, nr, query = 0, alph, digs; 48 49 again: 50 buff[0] = dbuff[0] = '\0'; 51 if (biblio && Iline == 1 && line1[0] == '%') 52 strcat(dbuff, line1); 53 while (input(line)) { /* get query */ 54 Iline++; 55 if (prefix(".]", line)) 56 break; 57 if (biblio && line[0] == '\n') 58 break; 59 if (biblio && line[0] == '%' && line[1] == *convert) 60 break; 61 if (control(line[0])) 62 query = 1; 63 strcat(query ? dbuff : buff, line); 64 if (strlen(buff) > QLEN) 65 err(gettext("query too long (%d)"), strlen(buff)); 66 if (strlen(dbuff) > 3 * QLEN) 67 err(gettext("record at line %d too long"), Iline-1); 68 } 69 if (biblio && line[0] == '\n' && feof(in)) 70 return; 71 if (strcmp(buff, "$LIST$\n") == 0) { 72 assert(dbuff[0] == 0); 73 dumpold(); 74 return; 75 } 76 answer[0] = 0; 77 for (p = buff; *p; p++) { 78 if (isupper(*p)) 79 *p |= 040; 80 } 81 alph = digs = 0; 82 for (p = buff; *p; p++) { 83 if (isalpha(*p)) 84 alph++; 85 else 86 if (isdigit(*p)) 87 digs++; 88 else { 89 *p = 0; 90 if ((alph+digs < 3) || common(p-alph)) { 91 r = p-alph; 92 while (r < p) 93 *r++ = ' '; 94 } 95 if (alph == 0 && digs > 0) { 96 r = p-digs; 97 if (digs != 4 || atoi(r)/100 != 19) { 98 while (r < p) 99 *r++ = ' '; 100 } 101 } 102 *p = ' '; 103 alph = digs = 0; 104 } 105 } 106 one[0] = 0; 107 if (buff[0]) { /* do not search if no query */ 108 for (sr = rdata; sr < search; sr++) { 109 temp[0] = 0; 110 corout(buff, temp, "hunt", *sr, TLEN); 111 assert(strlen(temp) < TLEN); 112 if (strlen(temp)+strlen(answer) > BUFSIZ) 113 err(gettext( 114 "Accumulated answers too large"), 0); 115 strcat(answer, temp); 116 if (strlen(answer) > BUFSIZ) 117 err(gettext("answer too long (%d)"), 118 strlen(answer)); 119 if (newline(answer) > 0) 120 break; 121 } 122 } 123 assert(strlen(one) < ANSLEN); 124 assert(strlen(answer) < ANSLEN); 125 if (buff[0]) 126 switch (newline(answer)) { 127 case 0: 128 fprintf(stderr, gettext("No such paper: %s\n"), buff); 129 return; 130 default: 131 fprintf(stderr, gettext( 132 "Too many hits: %s\n"), trimnl(buff)); 133 choices(answer); 134 p = buff; 135 while (*p != '\n') 136 p++; 137 *++p = 0; 138 /* FALLTHROUGH */ 139 140 case 1: 141 if (endpush) 142 if (nr = chkdup(answer)) { 143 if (bare < 2) { 144 nf = tabs(flds, one); 145 nf += tabs(flds+nf, dbuff); 146 assert(nf < NFLD); 147 putsig(nf, flds, nr, line1, 148 line, 0); 149 } 150 return; 151 } 152 if (one[0] == 0) 153 corout(answer, one, "deliv", dr, QLEN); 154 break; 155 } 156 assert(strlen(buff) < QLEN); 157 assert(strlen(one) < ANSLEN); 158 nf = tabs(flds, one); 159 nf += tabs(flds+nf, dbuff); 160 assert(nf < NFLD); 161 refnum++; 162 if (sort) 163 putkey(nf, flds, refnum, keystr); 164 if (bare < 2) 165 putsig(nf, flds, refnum, line1, line, 1); 166 else 167 flout(); 168 putref(nf, flds); 169 if (biblio && line[0] == '\n') 170 goto again; 171 if (biblio && line[0] == '%' && line[1] == *convert) 172 fprintf(fo, "%s%c%s", convert+1, sep, line+3); 173 } 174 175 static int 176 newline(char *s) 177 { 178 int k = 0, c; 179 180 while (c = *s++) 181 if (c == '\n') 182 k++; 183 return (k); 184 } 185 186 void 187 choices(char *buff) 188 { 189 char ob[BUFSIZ], *p, *r, *q, *t; 190 int nl; 191 192 for (r = p = buff; *p; p++) { 193 if (*p == '\n') { 194 *p++ = 0; 195 corout(r, ob, "deliv", dr, BUFSIZ); 196 nl = 1; 197 for (q = ob; *q; q++) { 198 if (nl && (q[0] == '.' || q[0] == '%') && 199 q[1] == 'T') { 200 q += 3; 201 for (t = q; *t && *t != '\n'; t++) 202 ; 203 *t = 0; 204 fprintf(stderr, "%.70s\n", q); 205 q = 0; 206 break; 207 } 208 nl = *q == '\n'; 209 } 210 if (q) 211 fprintf(stderr, gettext("??? at %s\n"), r); 212 r = p; 213 } 214 } 215 } 216 217 int 218 control(char c) 219 { 220 if (c == '.') 221 return (1); 222 if (c == '%') 223 return (1); 224 return (0); 225 } 226