+# include "refer..c"
+# define SAME 0
+# define NFLAB 2000
+# define NLABC 100
+static char sig[NLABC];
+
+static char bflab[NFLAB];
+static char *labtab[NLABC];
+static char *lbp = bflab;
+static char labc[NLABC];
+static char stbuff[50];
+static int prevsig;
+
+putsig (nf, flds, nref, nstline, endline)
+ char *flds[], *nstline, *endline;
+{
+/* choose signal style */
+char t[100], t1[100], t2[100], format[10], *sd;
+int another = 0;
+int addon;
+char *stline;
+static FILE *fhide = 0;
+if (labels)
+ {
+ if (nf==0) /* old */
+ sprintf(t, "%s%c", labtab[nref], labc[nref]);
+ else
+ {
+ *t=0;
+ if (keywant)
+ sprintf(t, "%s", fpar(nf, flds, t1, keywant, 1, 0));
+ if (t[0]==0)
+ {
+ sprintf(format, nmlen>0 ? "%%.%ds%%s" : "%%s%%s", nmlen);
+ /* format is %s%s for default labels or %.3s%s eg if wanted */
+ sd = fpar(nf, flds, t2, 'D', 1, 0);
+ if (dtlen>0)
+ {
+ char *sdb;
+ for(sdb=sd; *sd; sd++);
+ sd = sd-dtlen;
+ if (sd<sdb) sd=sdb;
+ }
+ sprintf(t, format, fpar(nf, flds, t1, 'A', 1, 0), sd);
+ }
+ if (keywant)
+ {
+ addon=0;
+ for(sd=t; *sd; sd++);
+ if (*--sd == '-')
+ {
+ addon=1;
+ *sd=0;
+ }
+ }
+ if (!keywant || addon)
+ addch( t, keylet(t, nref));
+ }
+ }
+else
+ {
+ if (sort)
+ sprintf(t, "%c%d%c", FLAG, nref, FLAG);
+ else
+ sprintf(t, "%d", nref);
+ }
+another = prefix (".[", sd=lookat());
+if (another && (strcmp(".[\n", sd) != SAME))
+ fprintf(stderr, "File %s, line %d- punctuation ignored from: %s", Ifile, Iline, sd);
+strcat (sig, t);
+# if D1
+fprintf(stderr, "sig is now %s leng %d\n",sig,strlen(sig));
+# endif
+trimnl(nstline);
+trimnl(endline);
+stline=stbuff;
+if (prevsig==0)
+ {
+ strcpy (stline, nstline);
+ prevsig=1;
+ }
+if (stline[2] || endline[2])
+ {
+ stline += 2;
+ endline += 2;
+ }
+else
+ {
+ stline = "\\*([.";
+ endline = "\\*(.]";
+ }
+if (bare==0)
+ {
+ if (another==0)
+ {
+ sprintf(t1, "%s%s\%s\n", stline, sig, endline);
+ append(t1);
+ flout();
+ sig[0]=0;
+ prevsig=0;
+ if (fo == fhide)
+ {
+ int ch;
+ fclose(fhide); fhide= fopen(hidenam, "r");
+ fo= ftemp;
+ while ((ch = getc(fhide)) != EOF)
+ putc(ch, fo);
+ fclose(fhide);
+ unlink(hidenam);
+ }
+ }
+ else
+ {
+ strcat (sig, ",\\|");
+ /* hide if need be */
+ if (fo == ftemp)
+ {
+ sprintf(hidenam, "/tmp/rj%dc", getpid());
+# if D1
+fprintf(stderr, "hiding in %s\n", hidenam);
+# endif
+ fhide= fopen(hidenam, "w");
+ if (fhide==NULL) err("Can't get scratch file %s", hidenam);
+ fo = fhide;
+ }
+ }
+ }
+if (bare<2)
+ if (nf>0) fprintf(fo,".ds [F %s%c",t,sep);
+if (bare>0)
+ flout();
+# if D1
+fprintf(stderr, "sig is now %s\n",sig);
+# endif
+}
+char *
+fpar (nf, flds, out, c, seq, prepend)
+ char *flds[], *out;
+{
+char *p, *s;
+int i, fnd = 0;
+for(i=0; i<nf; i++)
+ if (flds[i][1]==c && ++fnd >= seq)
+ {
+ if (c=='T' || c == 'J') /* for titles use first word otherwise last */
+ {
+ p=flds[i]+3;
+ if (prefix("A ", p)) p +=2;
+ if (prefix("An ", p)) p +=3;
+ if (prefix("The ", p)) p+= 4;
+ mycpy2(out, p, 20);
+ return(out);
+ }
+ for(s=p= flds[i]+2; *p; p++);
+ while (p>s && *p != ' ') p--;
+ /* special wart for authors */
+ if (c=='A' && (p[-1] == ',' || p[1] =='('))
+ {
+ p--;
+ while (p>s && *p != ' ') p--;
+ mycpy (out, p+1);
+ }
+ else
+ strcpy (out, p+1);
+ if (c=='A' && prepend)
+ initadd(out, flds[i]+2, p);
+ return(out);
+ }
+return(0);
+}
+putkey(nf, flds, nref, keystr)
+ char *flds[], *keystr;
+{
+char t1[50], *sf;
+int ctype, i, count;
+fprintf(fo, ".\\\"");
+if (nf <= 0)
+ fprintf(fo, "%s%c%c", labtab[nref], labc[nref], sep);
+else
+ {
+ while (ctype= *keystr++)
+ {
+ count = atoi(keystr);
+ if (*keystr=='+') count=999;
+ if (count<=0) count=1;
+ for(i=1; i<=count; i++)
+ {
+ sf= fpar(nf, flds, t1, ctype, i, 1);
+ if (sf==0)
+ break;
+ sf = artskp(sf);
+ fprintf(fo, "%s%c", sf, '-');
+ }
+ }
+ fprintf(fo, "%c%d%c%c", FLAG, nref, FLAG, sep);
+ }
+}
+keylet(t, nref)
+ char *t;
+{
+int i;
+int x = 'a'-1;
+for(i=1; i<nref;i++)
+ {
+ if (strcmp(labtab[i], t) == 0)
+ x = labc[i];
+ }
+strcpy(labtab[nref]=lbp, t);
+while (*lbp++);
+if (lbp-bflab >NFLAB)
+ err("bflab overflow (%d)", NFLAB);
+if (nref >NLABC)
+ err ("nref in labc overflow (%d)", NLABC);
+# ifdef D1
+fprintf(stderr, "lbp up to %d of 2000\n", lbp-bflab);
+# endif
+return (labc[nref] = x+1);
+}
+mycpy(s,t)
+ char *s, *t;
+{
+while (*t && *t != ',' && *t != ' ')
+ *s++ = *t++;
+*s=0;
+}
+mycpy2 (s, t, n)
+ char *s, *t;
+{
+int c;
+while (n-- && (c= *t++)>0)
+ {
+ if (c==' ')c= '-';
+ *s++ = c;
+ }
+*s=0;
+}
+initadd(to, from, stop)
+ char *to, *from, *stop;
+{
+ int c, nalph = 1;
+while (*to) to++;
+while (from<stop)
+ {
+ c = *from++;
+ if (!isalpha(c))
+ {
+ if (nalph)
+ *to++ = '.';
+ nalph=0;
+ continue;
+ }
+ if (nalph++ ==0)
+ *to++ = c;
+ }
+*to=0;
+}
+
+static char *articles[] = {"the ", "an ", "a ", 0};
+char *
+artskp(s)
+ char *s;
+{
+/* skips over initial "a ", "an ", or "the " in s */
+ char **p, *r1, *r2;
+for(p=articles; *p; p++)
+ {
+ r2 = s;
+ for (r1= *p; ((*r1 ^ *r2) & ~040 ) == 0; r1++)
+ r2++;
+ if (*r1==0 && *r2 != 0)
+ return(r2);
+ }
+return(s);
+}
projects / unix-history / commitdiff