xref: /csrg-svn/old/tbl/t7.c (revision 14510)
1 #ifndef lint
2 static char sccsid[] = "@(#)t7.c	4.3 08/11/83";
3 #endif
4 
5  /* t7.c: control to write table entries */
6 # include "t..c"
7 # define realsplit ((ct=='a'||ct=='n') && table[ldata][c].rcol)
8 runout()
9 {
10 int i;
11 if (boxflg || allflg || dboxflg) need();
12 if (ctrflg)
13 	{
14 	fprintf(tabout, ".nr #I \\n(.i\n");
15 	fprintf(tabout, ".in +(\\n(.lu-\\n(TWu-\\n(.iu)/2u\n");
16 	}
17 fprintf(tabout, ".fc %c %c\n", F1, F2);
18 fprintf(tabout, ".nr #T 0-1\n");
19 deftail();
20 for(i=0; i<nlin; i++)
21 	putline(i,i);
22 if (leftover)
23 	yetmore();
24 fprintf(tabout, ".fc\n");
25 fprintf(tabout, ".nr T. 1\n");
26 fprintf(tabout, ".T# 1\n");
27 if (ctrflg)
28 	fprintf(tabout, ".in \\n(#Iu\n");
29 }
30 runtabs(lform, ldata)
31 {
32 int c, ct, vforml, lf;
33 fprintf(tabout, ".ta ");
34 for(c=0; c<ncol; c++)
35 	{
36 	vforml=lform;
37 	for(lf=prev(lform); lf>=0 && vspen(table[lf][c].col); lf=prev(lf))
38 		vforml=lf;
39 	if (fspan(vforml,c))
40 		continue;
41 	switch(ct=ctype(vforml,c))
42 		{
43 		case 'n':
44 		case 'a':
45 			if (table[ldata][c].rcol)
46 			  if (lused[c]) /*Zero field width*/
47 				fprintf(tabout, "\\n(%du ",c+CMID);
48 		case 'c':
49 		case 'l':
50 		case 'r':
51 		    if (realsplit? rused[c]: (used[c]+lused[c]))
52 			fprintf(tabout, "\\n(%du ",c+CRIGHT);
53 			continue;
54 		case 's':
55 			if (lspan(lform, c))
56 				fprintf(tabout, "\\n(%du ", c+CRIGHT);
57 			continue;
58 		}
59 	}
60 fprintf(tabout, "\n");
61 }
62 ifline(s)
63 	char *s;
64 {
65 if (!point(s)) return(0);
66 if (s[0] == '\\') s++;
67 if (s[1] ) return(0);
68 if (s[0] == '_') return('-');
69 if (s[0] == '=') return('=');
70 return(0);
71 }
72 need()
73 {
74 int texlin, horlin, i;
75 for(texlin=horlin=i=0; i<nlin; i++)
76 	{
77 	if (fullbot[i]!=0)
78 		horlin++;
79 	else
80 	if (instead[i]!=0)
81 		continue;
82 	else
83 		texlin++;
84 	}
85 fprintf(tabout, ".ne %dv+%dp\n",texlin,2*horlin);
86 }
87 deftail()
88 {
89 int i, c, lf, lwid;
90 for(i=0; i<MAXHEAD; i++)
91 	if (linestop[i])
92 		fprintf(tabout, ".nr #%c 0-1\n", linestop[i]+'a'-1);
93 fprintf(tabout, ".nr #a 0-1\n");
94 fprintf(tabout, ".eo\n");
95 fprintf(tabout, ".de T#\n");
96 fprintf(tabout, ".ds #d .d\n");
97 fprintf(tabout, ".if \\(ts\\n(.z\\(ts\\(ts .ds #d nl\n");
98 	fprintf(tabout, ".mk ##\n");
99 	fprintf(tabout, ".nr ## -1v\n");
100 	fprintf(tabout, ".ls 1\n");
101 	for(i=0; i<MAXHEAD; i++)
102 		if (linestop[i])
103 			fprintf(tabout, ".if \\n(#T>=0 .nr #%c \\n(#T\n",linestop[i]+'a'-1);
104 if (boxflg || allflg || dboxflg) /* bottom of table line */
105 	if (fullbot[nlin-1]==0)
106 		{
107 		if (!pr1403)
108 			fprintf(tabout, ".if \\n(T. .vs \\n(.vu-\\n(.sp\n");
109 		fprintf(tabout, ".if \\n(T. ");
110 		drawline(nlin,0,ncol, dboxflg ? '=' : '-',1,0);
111 		fprintf(tabout, "\n.if \\n(T. .vs\n");
112 		/* T. is really an argument to a macro but because of
113 		   eqn we don't dare pass it as an argument and reference by $1 */
114 		}
115 	for(c=0; c<ncol; c++)
116 		{
117 		if ((lf=left(nlin-1,c, &lwid))>=0)
118 			{
119 			fprintf(tabout, ".if \\n(#%c>=0 .sp -1\n",linestop[lf]+'a'-1);
120 			fprintf(tabout, ".if \\n(#%c>=0 ", linestop[lf]+'a'-1);
121 			tohcol(c);
122 			drawvert(lf, nlin-1, c, lwid);
123 			fprintf(tabout, "\\h'|\\n(TWu'\n");
124 			}
125 		}
126 	if (boxflg || allflg || dboxflg) /* right hand line */
127 		{
128 		fprintf(tabout, ".if \\n(#a>=0 .sp -1\n");
129 		fprintf(tabout, ".if \\n(#a>=0 \\h'|\\n(TWu'");
130 		drawvert (0, nlin-1, ncol, dboxflg? 2 : 1);
131 		fprintf(tabout, "\n");
132 		}
133 fprintf(tabout, ".ls\n");
134 fprintf(tabout, "..\n");
135 fprintf(tabout, ".ec\n");
136 }
137