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1.1 root 1: #ifndef lint
2: static char sccsid[] = "@(#)t6.c 4.4 7/22/88";
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: }
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