4.3BSD - /usr/src/usr.bin/tbl/t6.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)t6.c	4.3 1/23/85";
   3: #endif
   4: 
   5:  /* t6.c: compute tab stops */
   6: # define tx(a) (a>0 && a<128)
   7: # include "t..c"
   8: maktab()
   9: {
  10: # define FN(i,c) font[stynum[i]][c]
  11: # define SZ(i,c) csize[stynum[i]][c]
  12: /* define the tab stops of the table */
  13: int icol, ilin, tsep, k, ik, vforml, il, text;
  14: int doubled[MAXCOL], acase[MAXCOL];
  15: char *s;
  16: for(icol=0; icol <ncol; icol++)
  17:     {
  18:     doubled[icol] = acase[icol] = 0;
  19:     fprintf(tabout, ".nr %d 0\n", icol+CRIGHT);
  20:    for(text=0; text<2; text++)
  21:     {
  22:     if (text)
  23:         fprintf(tabout, ".%02d\n.rm %02d\n", icol+80, icol+80);
  24:     for(ilin=0; ilin<nlin; ilin++)
  25:         {
  26:         if (instead[ilin]|| fullbot[ilin]) continue;
  27:         vforml=ilin;
  28:         for(il=prev(ilin); il>=0 && vspen(table[il][icol].col); il=prev(il))
  29:             vforml=il;
  30:         if (fspan(vforml,icol)) continue;
  31:         if (filler(table[ilin][icol].col)) continue;
  32:         switch(ctype(vforml,icol))
  33:             {
  34:             case 'a':
  35:                 acase[icol]=1;
  36:                 s = table[ilin][icol].col;
  37:                 if (s>0 && s<128 && text)
  38:                     {
  39:                     if (doubled[icol]==0)
  40:                         fprintf(tabout, ".nr %d 0\n.nr %d 0\n",S1,S2);
  41:                     doubled[icol]=1;
  42:                     fprintf(tabout, ".if \\n(%c->\\n(%d .nr %d \\n(%c-\n",s,S2,S2,s);
  43:                     }
  44:             case 'n':
  45:                 if (table[ilin][icol].rcol!=0)
  46:                     {
  47:                     if (doubled[icol]==0 && text==0)
  48:                         fprintf(tabout, ".nr %d 0\n.nr %d 0\n", S1, S2);
  49:                     doubled[icol]=1;
  50:                     if (real(s=table[ilin][icol].col) && !vspen(s))
  51:                         {
  52:                         if (tx(s) != text) continue;
  53:                         fprintf(tabout, ".nr %d ", TMP);
  54:                         wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n");
  55:                         fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", S1, TMP, S1, TMP);
  56:                         }
  57:                     if (text==0 && real(s=table[ilin][icol].rcol) && !vspen(s) && !barent(s))
  58:                         {
  59:                         fprintf(tabout, ".nr %d \\w%c%s%c\n",TMP, F1, s, F1);
  60:                         fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",S2,TMP,S2,TMP);
  61:                         }
  62:                     continue;
  63:                     }
  64:             case 'r':
  65:             case 'c':
  66:             case 'l':
  67:                 if (real(s=table[ilin][icol].col) && !vspen(s))
  68:                     {
  69:                     if (tx(s) != text) continue;
  70:                     fprintf(tabout, ".nr %d ", TMP);
  71:                     wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n");
  72:                     fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", icol+CRIGHT, TMP, icol+CRIGHT, TMP);
  73:                     }
  74:             }
  75:         }
  76:         }
  77:     if (acase[icol])
  78:         {
  79:         fprintf(tabout, ".if \\n(%d>=\\n(%d .nr %d \\n(%du+2n\n",S2,icol+CRIGHT,icol+CRIGHT,S2);
  80:         }
  81:     if (doubled[icol])
  82:         {
  83:         fprintf(tabout, ".nr %d \\n(%d\n", icol+CMID, S1);
  84:         fprintf(tabout, ".nr %d \\n(%d+\\n(%d\n",TMP,icol+CMID,S2);
  85:         fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",TMP,icol+CRIGHT,icol+CRIGHT,TMP);
  86:         fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d +(\\n(%d-\\n(%d)/2\n",TMP,icol+CRIGHT,icol+CMID,icol+CRIGHT,TMP);
  87:         }
  88:     if (cll[icol][0])
  89:         {
  90:         fprintf(tabout, ".nr %d %sn\n", TMP, cll[icol]);
  91:         fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",icol+CRIGHT, TMP, icol+CRIGHT, TMP);
  92:         }
  93:     for(ilin=0; ilin<nlin; ilin++)
  94:     if (k=lspan(ilin, icol))
  95:         {
  96:         s=table[ilin][icol-k].col;
  97:         if (!real(s) || barent(s) || vspen(s) ) continue;
  98:         fprintf(tabout, ".nr %d ", TMP);
  99:         wide(table[ilin][icol-k].col, FN(ilin,icol-k), SZ(ilin,icol-k));
 100:         for(ik=k; ik>=0; ik--)
 101:             {
 102:             fprintf(tabout, "-\\n(%d",CRIGHT+icol-ik);
 103:             if (!expflg && ik>0) fprintf(tabout, "-%dn", sep[icol-ik]);
 104:             }
 105:         fprintf(tabout, "\n");
 106:         fprintf(tabout, ".if \\n(%d>0 .nr %d \\n(%d/%d\n", TMP, TMP, TMP, k);
 107:         fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP);
 108:         for(ik=1; ik<=k; ik++)
 109:             {
 110:             if (doubled[icol-k+ik])
 111:                 fprintf(tabout, ".nr %d +\\n(%d/2\n", icol-k+ik+CMID, TMP);
 112:             fprintf(tabout, ".nr %d +\\n(%d\n", icol-k+ik+CRIGHT, TMP);
 113:             }
 114:         }
 115:     }
 116: if (textflg) untext();
 117: /* if even requested, make all columns widest width */
 118: # define TMP1 S1
 119: # define TMP2 S2
 120: if (evenflg)
 121:     {
 122:     fprintf(tabout, ".nr %d 0\n", TMP);
 123:     for(icol=0; icol<ncol; icol++)
 124:         {
 125:         if (evenup[icol]==0) continue;
 126:         fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",
 127:         icol+CRIGHT, TMP, TMP, icol+CRIGHT);
 128:         }
 129:     for(icol=0; icol<ncol; icol++)
 130:         {
 131:         if (evenup[icol]==0)
 132:             /* if column not evened just retain old interval */
 133:             continue;
 134:         if (doubled[icol])
 135:             fprintf(tabout, ".nr %d (100*\\n(%d/\\n(%d)*\\n(%d/100\n",
 136:                 icol+CMID, icol+CMID, icol+CRIGHT, TMP);
 137:                 /* that nonsense with the 100's and parens tries
 138: 				   to avoid overflow while proportionally shifting
 139: 				   the middle of the number */
 140:         fprintf(tabout, ".nr %d \\n(%d\n", icol+CRIGHT, TMP);
 141:         }
 142:     }
 143: /* now adjust for total table width */
 144: for(tsep=icol=0; icol<ncol; icol++)
 145:     tsep+= sep[icol];
 146: if (expflg)
 147:     {
 148:     fprintf(tabout, ".nr %d 0", TMP);
 149:     for(icol=0; icol<ncol; icol++)
 150:         fprintf(tabout, "+\\n(%d", icol+CRIGHT);
 151:     fprintf(tabout, "\n");
 152:     fprintf(tabout, ".nr %d \\n(.l-\\n(%d\n", TMP, TMP);
 153:     if (boxflg || dboxflg || allflg)
 154:         tsep += 1;
 155:     else
 156:         tsep -= sep[ncol-1];
 157:     fprintf(tabout, ".nr %d \\n(%d/%d\n", TMP, TMP,  tsep);
 158:     fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP);
 159:     }
 160: else
 161:     fprintf(tabout, ".nr %d 1n\n", TMP);
 162: fprintf(tabout, ".nr %d 0\n",CRIGHT-1);
 163: tsep= (boxflg || allflg || dboxflg || left1flg) ? 1 : 0;
 164: for(icol=0; icol<ncol; icol++)
 165:     {
 166:     fprintf(tabout, ".nr %d \\n(%d+(%d*\\n(%d)\n",icol+CLEFT, icol+CRIGHT-1, tsep, TMP);
 167:     fprintf(tabout, ".nr %d +\\n(%d\n",icol+CRIGHT, icol+CLEFT);
 168:     if (doubled[icol])
 169:         {
 170:         /* the next line is last-ditch effort to avoid zero field width */
 171:         /*fprintf(tabout, ".if \\n(%d=0 .nr %d 1\n",icol+CMID, icol+CMID);*/
 172:         fprintf(tabout, ".nr %d +\\n(%d\n", icol+CMID, icol+CLEFT);
 173:     /*  fprintf(tabout, ".if n .if \\n(%d%%24>0 .nr %d +12u\n",icol+CMID, icol+CMID); */
 174:         }
 175:     tsep=sep[icol];
 176:     }
 177: if (rightl)
 178:     fprintf(tabout, ".nr %d (\\n(%d+\\n(%d)/2\n",ncol+CRIGHT-1, ncol+CLEFT-1, ncol+CRIGHT-2);
 179: fprintf(tabout, ".nr TW \\n(%d\n", ncol+CRIGHT-1);
 180: if (boxflg || allflg || dboxflg)
 181:     fprintf(tabout, ".nr TW +%d*\\n(%d\n", sep[ncol-1], TMP);
 182: fprintf(tabout,
 183:  ".if t .if \\n(TW>\\n(.li .tm Table at line %d file %s is too wide - \\n(TW units\n", iline-1, ifile);
 184: return;
 185: }
 186: wide(s, fn, size)
 187:     char *s, *size, *fn;
 188: {
 189: if (point(s))
 190:     {
 191:     fprintf(tabout, "\\w%c", F1);
 192:     if (*fn>0) putfont(fn);
 193:     if (*size) putsize(size);
 194:     fprintf(tabout, "%s", s);
 195:     if (*fn>0) putfont("P");
 196:     if (*size) putsize("0");
 197:     fprintf(tabout, "%c",F1);
 198:     }
 199: else
 200:     fprintf(tabout, "\\n(%c-", s);
 201: }
 202: filler(s)
 203:     char *s;
 204: {
 205: return (point(s) && s[0]=='\\' && s[1] == 'R');
 206: }

Defined functions

Defined variables

Defined macros