1 #ifndef lint 2 static char sccsid[] = "@(#)t6.c 4.4 07/22/88"; 3 #endif 4 5 /* t6.c: compute tab stops */ 6 7 # include "t..c" 8 9 maktab() 10 { 11 # define FN(i,c) font[stynum[i]][c] 12 # define SZ(i,c) csize[stynum[i]][c] 13 /* define the tab stops of the table */ 14 int icol, ilin, tsep, k, ik, vforml, il, text; 15 int doubled[MAXCOL], acase[MAXCOL]; 16 char *s; 17 for(icol=0; icol <ncol; icol++) 18 { 19 doubled[icol] = acase[icol] = 0; 20 fprintf(tabout, ".nr %d 0\n", icol+CRIGHT); 21 for(text=0; text<2; text++) 22 { 23 if (text) 24 fprintf(tabout, ".%02d\n.rm %02d\n", icol+80, icol+80); 25 for(ilin=0; ilin<nlin; ilin++) 26 { 27 if (instead[ilin]|| fullbot[ilin]) continue; 28 vforml=ilin; 29 for(il=prev(ilin); il>=0 && vspen(table[il][icol].col); il=prev(il)) 30 vforml=il; 31 if (fspan(vforml,icol)) continue; 32 if (filler(table[ilin][icol].col)) continue; 33 switch(ctype(vforml,icol)) 34 { 35 case 'a': 36 acase[icol]=1; 37 s = table[ilin][icol].col; 38 if (tx(s) && text) 39 { 40 if (doubled[icol]==0) 41 fprintf(tabout, ".nr %d 0\n.nr %d 0\n",S1,S2); 42 doubled[icol]=1; 43 fprintf(tabout, ".if \\n(%c->\\n(%d .nr %d \\n(%c-\n",s,S2,S2,s); 44 } 45 case 'n': 46 if (table[ilin][icol].rcol!=0) 47 { 48 if (doubled[icol]==0 && text==0) 49 fprintf(tabout, ".nr %d 0\n.nr %d 0\n", S1, S2); 50 doubled[icol]=1; 51 if (real(s=table[ilin][icol].col) && !vspen(s)) 52 { 53 if (tx(s) != text) continue; 54 fprintf(tabout, ".nr %d ", TMP); 55 wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n"); 56 fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", S1, TMP, S1, TMP); 57 } 58 if (text==0 && real(s=table[ilin][icol].rcol) && !vspen(s) && !barent(s)) 59 { 60 fprintf(tabout, ".nr %d \\w%c%s%c\n",TMP, F1, s, F1); 61 fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",S2,TMP,S2,TMP); 62 } 63 continue; 64 } 65 case 'r': 66 case 'c': 67 case 'l': 68 if (real(s=table[ilin][icol].col) && !vspen(s)) 69 { 70 if (tx(s) != text) continue; 71 fprintf(tabout, ".nr %d ", TMP); 72 wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n"); 73 fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", icol+CRIGHT, TMP, icol+CRIGHT, TMP); 74 } 75 } 76 } 77 } 78 if (acase[icol]) 79 { 80 fprintf(tabout, ".if \\n(%d>=\\n(%d .nr %d \\n(%du+2n\n",S2,icol+CRIGHT,icol+CRIGHT,S2); 81 } 82 if (doubled[icol]) 83 { 84 fprintf(tabout, ".nr %d \\n(%d\n", icol+CMID, S1); 85 fprintf(tabout, ".nr %d \\n(%d+\\n(%d\n",TMP,icol+CMID,S2); 86 fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",TMP,icol+CRIGHT,icol+CRIGHT,TMP); 87 fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d +(\\n(%d-\\n(%d)/2\n",TMP,icol+CRIGHT,icol+CMID,icol+CRIGHT,TMP); 88 } 89 if (cll[icol][0]) 90 { 91 fprintf(tabout, ".nr %d %sn\n", TMP, cll[icol]); 92 fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",icol+CRIGHT, TMP, icol+CRIGHT, TMP); 93 } 94 for(ilin=0; ilin<nlin; ilin++) 95 if (k=lspan(ilin, icol)) 96 { 97 s=table[ilin][icol-k].col; 98 if (!real(s) || barent(s) || vspen(s) ) continue; 99 fprintf(tabout, ".nr %d ", TMP); 100 wide(table[ilin][icol-k].col, FN(ilin,icol-k), SZ(ilin,icol-k)); 101 for(ik=k; ik>=0; ik--) 102 { 103 fprintf(tabout, "-\\n(%d",CRIGHT+icol-ik); 104 if (!expflg && ik>0) fprintf(tabout, "-%dn", sep[icol-ik]); 105 } 106 fprintf(tabout, "\n"); 107 fprintf(tabout, ".if \\n(%d>0 .nr %d \\n(%d/%d\n", TMP, TMP, TMP, k); 108 fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP); 109 for(ik=1; ik<=k; ik++) 110 { 111 if (doubled[icol-k+ik]) 112 fprintf(tabout, ".nr %d +\\n(%d/2\n", icol-k+ik+CMID, TMP); 113 fprintf(tabout, ".nr %d +\\n(%d\n", icol-k+ik+CRIGHT, TMP); 114 } 115 } 116 } 117 if (textflg) untext(); 118 /* if even requested, make all columns widest width */ 119 # define TMP1 S1 120 # define TMP2 S2 121 if (evenflg) 122 { 123 fprintf(tabout, ".nr %d 0\n", TMP); 124 for(icol=0; icol<ncol; icol++) 125 { 126 if (evenup[icol]==0) continue; 127 fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n", 128 icol+CRIGHT, TMP, TMP, icol+CRIGHT); 129 } 130 for(icol=0; icol<ncol; icol++) 131 { 132 if (evenup[icol]==0) 133 /* if column not evened just retain old interval */ 134 continue; 135 if (doubled[icol]) 136 fprintf(tabout, ".nr %d (100*\\n(%d/\\n(%d)*\\n(%d/100\n", 137 icol+CMID, icol+CMID, icol+CRIGHT, TMP); 138 /* that nonsense with the 100's and parens tries 139 to avoid overflow while proportionally shifting 140 the middle of the number */ 141 fprintf(tabout, ".nr %d \\n(%d\n", icol+CRIGHT, TMP); 142 } 143 } 144 /* now adjust for total table width */ 145 for(tsep=icol=0; icol<ncol; icol++) 146 tsep+= sep[icol]; 147 if (expflg) 148 { 149 fprintf(tabout, ".nr %d 0", TMP); 150 for(icol=0; icol<ncol; icol++) 151 fprintf(tabout, "+\\n(%d", icol+CRIGHT); 152 fprintf(tabout, "\n"); 153 fprintf(tabout, ".nr %d \\n(.l-\\n(%d\n", TMP, TMP); 154 if (boxflg || dboxflg || allflg) 155 tsep += 1; 156 else 157 tsep -= sep[ncol-1]; 158 fprintf(tabout, ".nr %d \\n(%d/%d\n", TMP, TMP, tsep); 159 fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP); 160 } 161 else 162 fprintf(tabout, ".nr %d 1n\n", TMP); 163 fprintf(tabout, ".nr %d 0\n",CRIGHT-1); 164 tsep= (boxflg || allflg || dboxflg || left1flg) ? 1 : 0; 165 for(icol=0; icol<ncol; icol++) 166 { 167 fprintf(tabout, ".nr %d \\n(%d+(%d*\\n(%d)\n",icol+CLEFT, icol+CRIGHT-1, tsep, TMP); 168 fprintf(tabout, ".nr %d +\\n(%d\n",icol+CRIGHT, icol+CLEFT); 169 if (doubled[icol]) 170 { 171 /* the next line is last-ditch effort to avoid zero field width */ 172 /*fprintf(tabout, ".if \\n(%d=0 .nr %d 1\n",icol+CMID, icol+CMID);*/ 173 fprintf(tabout, ".nr %d +\\n(%d\n", icol+CMID, icol+CLEFT); 174 /* fprintf(tabout, ".if n .if \\n(%d%%24>0 .nr %d +12u\n",icol+CMID, icol+CMID); */ 175 } 176 tsep=sep[icol]; 177 } 178 if (rightl) 179 fprintf(tabout, ".nr %d (\\n(%d+\\n(%d)/2\n",ncol+CRIGHT-1, ncol+CLEFT-1, ncol+CRIGHT-2); 180 fprintf(tabout, ".nr TW \\n(%d\n", ncol+CRIGHT-1); 181 if (boxflg || allflg || dboxflg) 182 fprintf(tabout, ".nr TW +%d*\\n(%d\n", sep[ncol-1], TMP); 183 fprintf(tabout, 184 ".if t .if \\n(TW>\\n(.li .tm Table at line %d file %s is too wide - \\n(TW units\n", iline-1, ifile); 185 return; 186 } 187 wide(s, fn, size) 188 char *s, *size, *fn; 189 { 190 if (point(s)) 191 { 192 fprintf(tabout, "\\w%c", F1); 193 if (*fn>0) putfont(fn); 194 if (*size) putsize(size); 195 fprintf(tabout, "%s", s); 196 if (*fn>0) putfont("P"); 197 if (*size) putsize("0"); 198 fprintf(tabout, "%c",F1); 199 } 200 else 201 fprintf(tabout, "\\n(%c-", s); 202 } 203 filler(s) 204 char *s; 205 { 206 return (point(s) && s[0]=='\\' && s[1] == 'R'); 207 } 208