1 #ifndef lint 2 static char *sccsid = "@(#)refer5.c 4.9 (Berkeley) 07/22/88"; 3 #endif 4 5 #include "refer..c" 6 #define SAME 0 7 #define NFLAB 3000 /* number of bytes to record all labels */ 8 #define NLABC 1000 /* max number of labels */ 9 10 static char sig[MXSIG]; 11 static char bflab[NFLAB]; 12 static char *labtab[NLABC]; 13 static char *lbp = bflab; 14 static char labc[NLABC]; 15 static char stbuff[50]; 16 static int prevsig; 17 18 putsig (nf, flds, nref, nstline, endline, toindex) /* choose signal style */ 19 char *flds[], *nstline, *endline; 20 { 21 char t[100], t1[MXSIG], t2[100], format[10], *sd, *stline; 22 int addon, another = 0; 23 static FILE *fhide = 0; 24 int i; 25 char tag; 26 27 if (labels) { 28 if (nf == 0) /* old */ 29 sprintf(t, "%s%c", labtab[nref], labc[nref]); 30 else { 31 *t = 0; 32 if (keywant) 33 sprintf(t, "%s", fpar(nf,flds,t1,keywant,1,0)); 34 if (science && t[0] == 0) { 35 sd = fpar(nf, flds, t2, 'D', 1, 0); 36 sprintf(t, "%s, %s", fpar(nf,flds,t1,'A',1,0), 37 sd); 38 } 39 else if (t[0] == 0) { 40 sprintf(format, 41 nmlen>0 ? "%%.%ds%%s" : "%%s%%s", 42 nmlen); 43 /* format is %s%s for default labels */ 44 /* or %.3s%s eg if wanted */ 45 sd = fpar(nf, flds, t2, 'D', 1, 0); 46 if (dtlen > 0) { 47 char *sdb; 48 for (sdb = sd; *sd; sd++) 49 ; 50 sd = sd - dtlen; 51 if (sd < sdb) 52 sd = sdb; 53 } 54 sprintf(t, format, fpar(nf,flds,t1,'A',1,0), 55 sd); 56 } 57 if (keywant) { 58 addon = 0; 59 for (sd = t; *sd; sd++) 60 ; 61 if (*--sd == '-') { 62 addon = 1; 63 *sd = 0; 64 } 65 } 66 if ((!keywant || addon) && !science) { 67 addch(t, keylet(t, nref)); 68 } 69 else { 70 tokeytab (t,nref); 71 } 72 } 73 } 74 else { 75 sprintf(t, "%c%d%c", FLAG, nref, FLAG); 76 } 77 another = prefix (".[", sd=lookat()); 78 if (another && (strcmp(".[\n", sd) != SAME)) 79 fprintf(stderr, "File %s line %d: punctuation ignored from: %s", 80 Ifile, Iline, sd); 81 if ((strlen(sig) + strlen(t)) > MXSIG) 82 err("sig overflow (%d)", MXSIG); 83 strcat(sig, t); 84 #if EBUG 85 fprintf(stderr, "sig is now %s leng %d\n",sig,strlen(sig)); 86 #endif 87 trimnl(nstline); 88 trimnl(endline); 89 stline = stbuff; 90 if (prevsig == 0) { 91 strcpy (stline, nstline); 92 prevsig=1; 93 } 94 if (stline[2] || endline[2]) { 95 stline += 2; 96 endline += 2; 97 } 98 else { 99 stline = "\\*([."; 100 endline = "\\*(.]"; 101 } 102 if (science) { 103 stline = " ("; 104 endline = ")"; 105 } 106 if (bare == 0) { 107 if (!another) { 108 sprintf(t1, "%s%s%s\n", stline, sig, endline); 109 if (strlen(t1) > MXSIG) 110 err("t1 overflow (%d)", MXSIG); 111 append(t1); 112 flout(); 113 sig[0] = 0; 114 prevsig = 0; 115 if (fo == fhide) { 116 int ch; 117 fclose(fhide); 118 fhide = fopen(hidenam, "r"); 119 fo = ftemp; 120 while ((ch = getc(fhide)) != EOF) 121 putc(ch, fo); 122 fclose(fhide); 123 unlink(hidenam); 124 } 125 } 126 else { 127 if (labels) { 128 strcat(sig, ",\\|"); 129 } else { 130 /* 131 * Seperate reference numbers with AFLAG 132 * for later sorting and condensing. 133 */ 134 t1[0] = AFLAG; 135 t1[1] = '\0'; 136 strcat(sig, t1); 137 } 138 if (fo == ftemp) { /* hide if need be */ 139 sprintf(hidenam, "/tmp/rj%dc", getpid()); 140 #if EBUG 141 fprintf(stderr, "hiding in %s\n", hidenam); 142 #endif 143 fhide = fopen(hidenam, "w"); 144 if (fhide == NULL) 145 err("Can't get scratch file %s", 146 hidenam); 147 fo = fhide; 148 } 149 } 150 } 151 if (bare < 2) 152 if (nf > 0 && toindex) 153 fprintf(fo,".ds [F %s%c",t,sep); 154 if (bare > 0) 155 flout(); 156 #if EBUG 157 fprintf(stderr, "sig is now %s\n",sig); 158 #endif 159 } 160 161 char * 162 fpar (nf, flds, out, c, seq, prepend) 163 char *flds[], *out; 164 { 165 char *p, *s; 166 int i, fnd = 0; 167 168 for(i = 0; i < nf; i++) 169 /* following if statement modified to cope with Q authors */ 170 if ((flds[i][1] == c || (c == 'A' && flds[i][1] == 'Q')) 171 && ++fnd >= seq) { 172 c = flds[i][1]; 173 /* for titles use first word otherwise last */ 174 if (c == 'T' || c == 'J' || c == 'Q') { 175 p = flds[i]+3; 176 if (prefix("A ", p)) 177 p += 2; 178 if (prefix("An ", p)) 179 p += 3; 180 if (prefix("The ", p)) 181 p += 4; 182 mycpy2(out, p, 20); 183 return(out); 184 } 185 /* if its not 'L' then use just the last word */ 186 s = p = flds[i]+2; 187 if (c != 'L') { 188 for(; *p; p++); 189 while (p > s && *p != ' ') 190 p--; 191 } 192 /* special wart for authors */ 193 if (c == 'A' && (p[-1] == ',' || p[1] =='(')) { 194 p--; 195 while (p > s && *p != ' ') 196 p--; 197 mycpy(out, p+1); 198 } 199 else 200 strcpy(out, p+1); 201 if (c == 'A' && prepend) 202 initadd(out, flds[i]+2, p); 203 return(out); 204 } 205 return(0); 206 } 207 208 putkey(nf, flds, nref, keystr) 209 char *flds[], *keystr; 210 { 211 char t1[50], *sf; 212 int ctype, i, count; 213 214 fprintf(fo, ".\\\""); 215 if (nf <= 0) 216 fprintf(fo, "%s%c%c", labtab[nref], labc[nref], sep); 217 else { 218 while (ctype = *keystr++) { 219 count = atoi(keystr); 220 if (*keystr=='+') 221 count=999; 222 if (count <= 0) 223 count = 1; 224 for(i = 1; i <= count; i++) { 225 sf = fpar(nf, flds, t1, ctype, i, 1); 226 if (sf == 0) 227 break; 228 sf = artskp(sf); 229 fprintf(fo, "%s%c", sf, '-'); 230 } 231 } 232 fprintf(fo, "%c%d%c%c", FLAG, nref, FLAG, sep); 233 } 234 } 235 236 237 tokeytab (t, nref) 238 char *t; 239 { 240 strcpy(labtab[nref]=lbp, t); 241 while (*lbp++) 242 ; 243 } 244 245 keylet(t, nref) 246 char *t; 247 { 248 int i; 249 int x = 'a' - 1; 250 251 for(i = 1; i < nref; i++) { 252 if (strcmp(labtab[i], t) == 0) 253 x = labc[i]; 254 } 255 tokeytab (t, nref); 256 if (lbp-bflab > NFLAB) 257 err("bflab overflow (%d)", NFLAB); 258 if (nref > NLABC) 259 err("nref in labc overflow (%d)", NLABC); 260 #if EBUG 261 fprintf(stderr, "lbp up to %d of %d\n", lbp-bflab, NFLAB); 262 #endif 263 return(labc[nref] = x+1); 264 } 265 266 mycpy(s, t) 267 char *s, *t; 268 { 269 while (*t && *t != ',' && *t != ' ') 270 *s++ = *t++; 271 *s = 0; 272 } 273 274 mycpy2(s, t, n) 275 char *s, *t; 276 { 277 int c; 278 279 while (n-- && (c= *t++) > 0) { 280 if (c == ' ') 281 c = '-'; 282 *s++ = c; 283 } 284 *s = 0; 285 } 286 287 initadd(to, from, stop) 288 char *to, *from, *stop; 289 { 290 int c, nalph = 1; 291 292 while (*to) 293 to++; 294 while (from < stop) { 295 c = *from++; 296 if (!isalpha(c)) { 297 if (nalph) 298 *to++ = '.'; 299 nalph = 0; 300 continue; 301 } 302 if (nalph++ == 0) 303 *to++ = c; 304 } 305 *to = 0; 306 } 307 308 static char *articles[] = { 309 "the ", "an ", "a ", 0 310 }; 311 312 char * 313 artskp(s) /* skips over initial "a ", "an ", "the " in s */ 314 char *s; 315 { 316 317 char **p, *r1, *r2; 318 319 for (p = articles; *p; p++) { 320 r2 = s; 321 for (r1 = *p; ((*r1 ^ *r2) & ~040 ) == 0; r1++) 322 r2++; 323 if (*r1 == 0 && *r2 != 0) 324 return(r2); 325 } 326 return(s); 327 } 328