1 /* tg.c: process included text blocks */
2 # include "t.h"
3 
4 int
5 gettext(char *sp, int ilin, int icol, char *fn, char *sz)
6 {
7 					/* get a section of text */
8 	char	line[4096];
9 	int	oname, startline;
10 	char	*vs;
11 
12 	startline = iline;
13 	if (texname == 0)
14 		error("Too many text block diversions");
15 	if (textflg == 0) {
16 		Bprint(&tabout, ".nr %d \\n(.lu\n", SL); /* remember old line length */
17 		textflg = 1;
18 	}
19 	Bprint(&tabout, ".eo\n");
20 	Bprint(&tabout, ".am %s\n", reg(icol, CRIGHT));
21 	Bprint(&tabout, ".br\n");
22 	Bprint(&tabout, ".di %c+\n", texname);
23 	rstofill();
24 	if (fn && *fn)
25 		Bprint(&tabout, ".nr %d \\n(.f\n.ft %s\n", S1, fn);
26 	Bprint(&tabout, ".ft \\n(.f\n"); /* protect font */
27 	vs = vsize[icol][stynum[ilin]];
28 	if ((sz && *sz) || (vs && *vs)) {
29 		Bprint(&tabout, ".nr %d \\n(.v\n", S9);
30 		if (vs == 0 || *vs == 0)
31 			vs = "\\n(.s+2";
32 		if (sz && *sz)
33 			Bprint(&tabout, ".ps %s\n", sz);
34 		Bprint(&tabout, ".vs %s\n", vs);
35 		Bprint(&tabout, ".if \\n(%du>\\n(.vu .sp \\n(%du-\\n(.vu\n", S9, S9);
36 	}
37 	if (cll[icol][0])
38 		Bprint(&tabout, ".ll %sn\n", cll[icol]);
39 	else
40 		Bprint(&tabout, ".ll \\n(%du*%du/%du\n", SL, ctspan(ilin, icol), ncol + 1);
41 	Bprint(&tabout, ".if \\n(.l<\\n(%2s .ll \\n(%2su\n", reg(icol, CRIGHT),
42 	     reg(icol, CRIGHT));
43 	if (ctype(ilin, icol) == 'a')
44 		Bprint(&tabout, ".ll -2n\n");
45 	Bprint(&tabout, ".in 0\n");
46 	for (;;) {
47 		if (gets1(line, sizeof(line)) == nil) {
48 			iline = startline;
49 			error("missing closing T}");
50 		}
51 		if (line[0] == 'T' && line[1] == '}' && line[2] == tab)
52 			break;
53 		if (match("T}", line))
54 			break;
55 		Bprint(&tabout, "%s\n", line);
56 	}
57 	if (fn && *fn)
58 		Bprint(&tabout, ".ft \\n(%d\n", S1);
59 	if (sz && *sz)
60 		Bprint(&tabout, ".br\n.ps\n.vs\n");
61 	Bprint(&tabout, ".br\n");
62 	Bprint(&tabout, ".di\n");
63 	Bprint(&tabout, ".nr %c| \\n(dn\n", texname);
64 	Bprint(&tabout, ".nr %c- \\n(dl\n", texname);
65 	Bprint(&tabout, "..\n");
66 	Bprint(&tabout, ".ec \\\n");
67 	/* copy remainder of line */
68 	if (line[2])
69 		tcopy (sp, line + 3);
70 	else
71 		*sp = 0;
72 	oname = texname;
73 	texname = texstr[++texct];
74 	return(oname);
75 }
76 
77 
78 void
79 untext(void)
80 {
81 	rstofill();
82 	Bprint(&tabout, ".nf\n");
83 	Bprint(&tabout, ".ll \\n(%du\n", SL);
84 }