xref: /csrg-svn/old/tbl/tg.c (revision 14514)
1 #ifndef lint
2 static char sccsid[] = "@(#)tg.c	4.2 08/11/83";
3 #endif
4 
5  /* tg.c: process included text blocks */
6 # include "t..c"
7 gettext(sp, ilin,icol, fn, sz)
8 	char *sp, *fn, *sz;
9 {
10 /* get a section of text */
11 char line[256];
12 int oname;
13 char *vs;
14 if (texname==0) error("Too many text block diversions");
15 if (textflg==0)
16 	{
17 	fprintf(tabout, ".nr %d \\n(.lu\n", SL); /* remember old line length */
18 	textflg=1;
19 	}
20 fprintf(tabout, ".eo\n");
21 fprintf(tabout, ".am %02d\n", icol+80);
22 fprintf(tabout, ".br\n");
23 fprintf(tabout, ".di %c+\n", texname);
24 rstofill();
25 if (fn && *fn) fprintf(tabout, ".nr %d \\n(.f\n.ft %s\n", S1, fn);
26 fprintf(tabout, ".ft \\n(.f\n"); /* protect font */
27 vs = vsize[stynum[ilin]][icol];
28 if ((sz && *sz) || (vs && *vs))
29 	{
30 	fprintf(tabout, ".nr %d \\n(.v\n", S2);
31 	if (vs==0 || *vs==0) vs= "\\n(.s+2";
32 	if (sz && *sz)
33 		fprintf(tabout, ".ps %s\n",sz);
34 	fprintf(tabout, ".vs %s\n",vs);
35 	fprintf(tabout, ".if \\n(%du>\\n(.vu .sp \\n(%du-\\n(.vu\n", S2,S2);
36 	}
37 if (cll[icol][0])
38 	fprintf(tabout, ".ll %sn\n", cll[icol]);
39 else
40 	fprintf(tabout, ".ll \\n(%du*%du/%du\n",SL,ctspan(ilin,icol),ncol+1);
41 fprintf(tabout,".if \\n(.l<\\n(%d .ll \\n(%du\n", icol+CRIGHT, icol+CRIGHT);
42 if (ctype(ilin,icol)=='a')
43 	fprintf(tabout, ".ll -2n\n");
44 fprintf(tabout, ".in 0\n");
45 while (gets1(line))
46 	{
47 	if (line[0]=='T' && line[1]=='}' && line[2]== tab) break;
48 	if (match("T}", line)) break;
49 	fprintf(tabout, "%s\n", line);
50 	}
51 if (fn && *fn) fprintf(tabout, ".ft \\n(%d\n", S1);
52 if (sz && *sz) fprintf(tabout, ".br\n.ps\n.vs\n");
53 fprintf(tabout, ".br\n");
54 fprintf(tabout, ".di\n");
55 fprintf(tabout, ".nr %c| \\n(dn\n", texname);
56 fprintf(tabout, ".nr %c- \\n(dl\n", texname);
57 fprintf(tabout, "..\n");
58 fprintf(tabout, ".ec \\\n");
59 /* copy remainder of line */
60 if (line[2])
61 	tcopy (sp, line+3);
62 else
63 	*sp=0;
64 oname=texname;
65 texname = texstr[++texct];
66 return(oname);
67 }
68 untext()
69 {
70 rstofill();
71 fprintf(tabout, ".nf\n");
72 fprintf(tabout, ".ll \\n(%du\n", SL);
73 }
74