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1.1 root 1: /* t6.c: compute tab stops */
2: # define tx(a) (a>0 && a<128)
3: # include "t..c"
4: maktab()
5: {
6: # define FN(i,c) font[stynum[i]][c]
7: # define SZ(i,c) csize[stynum[i]][c]
8: /* define the tab stops of the table */
9: int icol, ilin, tsep, k, ik, vforml, il, text;
10: int doubled[MAXCOL], acase[MAXCOL];
11: char *s;
12: for(icol=0; icol <ncol; icol++)
13: {
14: doubled[icol] = acase[icol] = 0;
15: fprintf(tabout, ".nr %d 0\n", icol+CRIGHT);
16: for(text=0; text<2; text++)
17: {
18: if (text)
19: fprintf(tabout, ".%02d\n.rm %02d\n", icol+80, icol+80);
20: for(ilin=0; ilin<nlin; ilin++)
21: {
22: if (instead[ilin]|| fullbot[ilin]) continue;
23: vforml=ilin;
24: for(il=prev(ilin); il>=0 && vspen(table[il][icol].col); il=prev(il))
25: vforml=il;
26: if (fspan(vforml,icol)) continue;
27: if (filler(table[ilin][icol].col)) continue;
28: switch(ctype(vforml,icol))
29: {
30: case 'a':
31: acase[icol]=1;
32: s = table[ilin][icol].col;
33: if (s>0 && s<128 && text)
34: {
35: if (doubled[icol]==0)
36: fprintf(tabout, ".nr %d 0\n.nr %d 0\n",S1,S2);
37: doubled[icol]=1;
38: fprintf(tabout, ".if \\n(%c->\\n(%d .nr %d \\n(%c-\n",s,S2,S2,s);
39: }
40: case 'n':
41: if (table[ilin][icol].rcol!=0)
42: {
43: if (doubled[icol]==0 && text==0)
44: fprintf(tabout, ".nr %d 0\n.nr %d 0\n", S1, S2);
45: doubled[icol]=1;
46: if (real(s=table[ilin][icol].col) && !vspen(s))
47: {
48: if (tx(s) != text) continue;
49: fprintf(tabout, ".nr %d ", TMP);
50: wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n");
51: fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", S1, TMP, S1, TMP);
52: }
53: if (text==0 && real(s=table[ilin][icol].rcol) && !vspen(s) && !barent(s))
54: {
55: fprintf(tabout, ".nr %d \\w%c%s%c\n",TMP, F1, s, F1);
56: fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",S2,TMP,S2,TMP);
57: }
58: continue;
59: }
60: case 'r':
61: case 'c':
62: case 'l':
63: if (real(s=table[ilin][icol].col) && !vspen(s))
64: {
65: if (tx(s) != text) continue;
66: fprintf(tabout, ".nr %d ", TMP);
67: wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n");
68: fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", icol+CRIGHT, TMP, icol+CRIGHT, TMP);
69: }
70: }
71: }
72: }
73: if (acase[icol])
74: {
75: fprintf(tabout, ".if \\n(%d>=\\n(%d .nr %d \\n(%du+2n\n",S2,icol+CRIGHT,icol+CRIGHT,S2);
76: }
77: if (doubled[icol])
78: {
79: fprintf(tabout, ".nr %d \\n(%d\n", icol+CMID, S1);
80: fprintf(tabout, ".nr %d \\n(%d+\\n(%d\n",TMP,icol+CMID,S2);
81: fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",TMP,icol+CRIGHT,icol+CRIGHT,TMP);
82: fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d +(\\n(%d-\\n(%d)/2\n",TMP,icol+CRIGHT,icol+CMID,icol+CRIGHT,TMP);
83: }
84: if (cll[icol][0])
85: {
86: fprintf(tabout, ".nr %d %sn\n", TMP, cll[icol]);
87: fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",icol+CRIGHT, TMP, icol+CRIGHT, TMP);
88: }
89: for(ilin=0; ilin<nlin; ilin++)
90: if (k=lspan(ilin, icol))
91: {
92: s=table[ilin][icol-k].col;
93: if (!real(s) || barent(s) || vspen(s) ) continue;
94: fprintf(tabout, ".nr %d ", TMP);
95: wide(table[ilin][icol-k].col, FN(ilin,icol-k), SZ(ilin,icol-k));
96: for(ik=k; ik>=0; ik--)
97: {
98: fprintf(tabout, "-\\n(%d",CRIGHT+icol-ik);
99: if (!expflg && ik>0) fprintf(tabout, "-%dn", sep[icol-ik]);
100: }
101: fprintf(tabout, "\n");
102: fprintf(tabout, ".if \\n(%d>0 .nr %d \\n(%d/%d\n", TMP, TMP, TMP, k);
103: fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP);
104: for(ik=1; ik<=k; ik++)
105: {
106: if (doubled[icol-k+ik])
107: fprintf(tabout, ".nr %d +\\n(%d/2\n", icol-k+ik+CMID, TMP);
108: fprintf(tabout, ".nr %d +\\n(%d\n", icol-k+ik+CRIGHT, TMP);
109: }
110: }
111: }
112: if (textflg) untext();
113: /* if even requested, make all columns widest width */
114: # define TMP1 S1
115: # define TMP2 S2
116: if (evenflg)
117: {
118: fprintf(tabout, ".nr %d 0\n", TMP);
119: for(icol=0; icol<ncol; icol++)
120: {
121: if (evenup[icol]==0) continue;
122: fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",
123: icol+CRIGHT, TMP, TMP, icol+CRIGHT);
124: }
125: for(icol=0; icol<ncol; icol++)
126: {
127: if (evenup[icol]==0)
128: /* if column not evened just retain old interval */
129: continue;
130: if (doubled[icol])
131: fprintf(tabout, ".nr %d (100*\\n(%d/\\n(%d)*\\n(%d/100\n",
132: icol+CMID, icol+CMID, icol+CRIGHT, TMP);
133: /* that nonsense with the 100's and parens tries
134: to avoid overflow while proportionally shifting
135: the middle of the number */
136: fprintf(tabout, ".nr %d \\n(%d\n", icol+CRIGHT, TMP);
137: }
138: }
139: /* now adjust for total table width */
140: for(tsep=icol=0; icol<ncol; icol++)
141: tsep+= sep[icol];
142: if (expflg)
143: {
144: fprintf(tabout, ".nr %d 0", TMP);
145: for(icol=0; icol<ncol; icol++)
146: fprintf(tabout, "+\\n(%d", icol+CRIGHT);
147: fprintf(tabout, "\n");
148: fprintf(tabout, ".nr %d \\n(.l-\\n(%d\n", TMP, TMP);
149: if (boxflg || dboxflg || allflg)
150: tsep += 1;
151: else
152: tsep -= sep[ncol-1];
153: fprintf(tabout, ".nr %d \\n(%d/%d\n", TMP, TMP, tsep);
154: fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP);
155: }
156: else
157: fprintf(tabout, ".nr %d 1n\n", TMP);
158: fprintf(tabout, ".nr %d 0\n",CRIGHT-1);
159: tsep= (boxflg || allflg || dboxflg || left1flg) ? 1 : 0;
160: for(icol=0; icol<ncol; icol++)
161: {
162: fprintf(tabout, ".nr %d \\n(%d+(%d*\\n(%d)\n",icol+CLEFT, icol+CRIGHT-1, tsep, TMP);
163: fprintf(tabout, ".nr %d +\\n(%d\n",icol+CRIGHT, icol+CLEFT);
164: if (doubled[icol])
165: {
166: /* the next line is last-ditch effort to avoid zero field width */
167: /*fprintf(tabout, ".if \\n(%d=0 .nr %d 1\n",icol+CMID, icol+CMID);*/
168: fprintf(tabout, ".nr %d +\\n(%d\n", icol+CMID, icol+CLEFT);
169: /* fprintf(tabout, ".if n .if \\n(%d%%24>0 .nr %d +12u\n",icol+CMID, icol+CMID); */
170: }
171: tsep=sep[icol];
172: }
173: if (rightl)
174: fprintf(tabout, ".nr %d (\\n(%d+\\n(%d)/2\n",ncol+CRIGHT-1, ncol+CLEFT-1, ncol+CRIGHT-2);
175: fprintf(tabout, ".nr TW \\n(%d\n", ncol+CRIGHT-1);
176: if (boxflg || allflg || dboxflg)
177: fprintf(tabout, ".nr TW +%d*\\n(%d\n", sep[ncol-1], TMP);
178: fprintf(tabout,
179: ".if t .if (\\n(TW+\\n(.o)>7.65i .tm Table at line %d file %s is too wide - \\n(TW units\n", iline-1, ifile);
180: return;
181: }
182: wide(s, fn, size)
183: char *s, *size, *fn;
184: {
185: if (point(s))
186: {
187: fprintf(tabout, "\\w%c", F1);
188: if (*fn>0) putfont(fn);
189: if (*size) putsize(size);
190: fprintf(tabout, "%s", s);
191: if (*fn>0) putfont("P");
192: if (*size) putsize("0");
193: fprintf(tabout, "%c",F1);
194: }
195: else
196: fprintf(tabout, "\\n(%c-", s);
197: }
198: filler(s)
199: char *s;
200: {
201: return (point(s) && s[0]=='\\' && s[1] == 'R');
202: }
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