[unix-history] / usr / src / old / tbl / t6.c

/*	t6.c	4.1	83/02/12	*/

 /* t6.c: compute tab stops */
# define tx(a) (a>0 && a<128)
# include "t..c"
maktab()
{
# define FN(i,c) font[stynum[i]][c]
# define SZ(i,c) csize[stynum[i]][c]
/* define the tab stops of the table */
int icol, ilin, tsep, k, ik, vforml, il, text;
int doubled[MAXCOL], acase[MAXCOL];
char *s;
for(icol=0; icol <ncol; icol++)
	{
	doubled[icol] = acase[icol] = 0;
	fprintf(tabout, ".nr %d 0\n", icol+CRIGHT);
   for(text=0; text<2; text++)
	{
	if (text)
		fprintf(tabout, ".%02d\n.rm %02d\n", icol+80, icol+80);
	for(ilin=0; ilin<nlin; ilin++)
		{
		if (instead[ilin]|| fullbot[ilin]) continue;
		vforml=ilin;
		for(il=prev(ilin); il>=0 && vspen(table[il][icol].col); il=prev(il))
			vforml=il;
		if (fspan(vforml,icol)) continue;
		if (filler(table[ilin][icol].col)) continue;
		switch(ctype(vforml,icol))
			{
			case 'a':
				acase[icol]=1;
				s = table[ilin][icol].col;
				if (s>0 && s<128 && text)
					{
					if (doubled[icol]==0)
						fprintf(tabout, ".nr %d 0\n.nr %d 0\n",S1,S2);
					doubled[icol]=1;
					fprintf(tabout, ".if \\n(%c->\\n(%d .nr %d \\n(%c-\n",s,S2,S2,s);
					}
			case 'n':
				if (table[ilin][icol].rcol!=0)
					{
					if (doubled[icol]==0 && text==0)
						fprintf(tabout, ".nr %d 0\n.nr %d 0\n", S1, S2);
					doubled[icol]=1;
					if (real(s=table[ilin][icol].col) && !vspen(s))
						{
						if (tx(s) != text) continue;
						fprintf(tabout, ".nr %d ", TMP);
						wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n");
						fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", S1, TMP, S1, TMP);
						}
					if (text==0 && real(s=table[ilin][icol].rcol) && !vspen(s) && !barent(s))
						{
						fprintf(tabout, ".nr %d \\w%c%s%c\n",TMP, F1, s, F1);
						fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",S2,TMP,S2,TMP);
						}
					continue;
					}
			case 'r':
			case 'c':
			case 'l':
				if (real(s=table[ilin][icol].col) && !vspen(s))
					{
					if (tx(s) != text) continue;
					fprintf(tabout, ".nr %d ", TMP);
					wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n");
					fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", icol+CRIGHT, TMP, icol+CRIGHT, TMP);
					}
			}
		}
		}
	if (acase[icol])
		{
		fprintf(tabout, ".if \\n(%d>=\\n(%d .nr %d \\n(%du+2n\n",S2,icol+CRIGHT,icol+CRIGHT,S2);
		}
	if (doubled[icol])
		{
		fprintf(tabout, ".nr %d \\n(%d\n", icol+CMID, S1);
		fprintf(tabout, ".nr %d \\n(%d+\\n(%d\n",TMP,icol+CMID,S2);
		fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",TMP,icol+CRIGHT,icol+CRIGHT,TMP);
		fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d +(\\n(%d-\\n(%d)/2\n",TMP,icol+CRIGHT,icol+CMID,icol+CRIGHT,TMP);
		}
	if (cll[icol][0])
		{
		fprintf(tabout, ".nr %d %sn\n", TMP, cll[icol]);
		fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",icol+CRIGHT, TMP, icol+CRIGHT, TMP);
		}
	for(ilin=0; ilin<nlin; ilin++)
	if (k=lspan(ilin, icol))
		{
		s=table[ilin][icol-k].col;
		if (!real(s) || barent(s) || vspen(s) ) continue;
		fprintf(tabout, ".nr %d ", TMP);
		wide(table[ilin][icol-k].col, FN(ilin,icol-k), SZ(ilin,icol-k));
		for(ik=k; ik>=0; ik--)
			{
			fprintf(tabout, "-\\n(%d",CRIGHT+icol-ik);
			if (!expflg && ik>0) fprintf(tabout, "-%dn", sep[icol-ik]);
			}
		fprintf(tabout, "\n");
		fprintf(tabout, ".if \\n(%d>0 .nr %d \\n(%d/%d\n", TMP, TMP, TMP, k);
		fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP);
		for(ik=1; ik<=k; ik++)
			{
			if (doubled[icol-k+ik])
				fprintf(tabout, ".nr %d +\\n(%d/2\n", icol-k+ik+CMID, TMP);
			fprintf(tabout, ".nr %d +\\n(%d\n", icol-k+ik+CRIGHT, TMP);
			}
		}
	}
if (textflg) untext();
/* if even requested, make all columns widest width */
# define TMP1 S1
# define TMP2 S2
if (evenflg)
	{
	fprintf(tabout, ".nr %d 0\n", TMP);
	for(icol=0; icol<ncol; icol++)
		{
		if (evenup[icol]==0) continue;
		fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",
		icol+CRIGHT, TMP, TMP, icol+CRIGHT);
		}
	for(icol=0; icol<ncol; icol++)
		{
		if (evenup[icol]==0)
			/* if column not evened just retain old interval */
			continue;
		if (doubled[icol])
			fprintf(tabout, ".nr %d (100*\\n(%d/\\n(%d)*\\n(%d/100\n",
				icol+CMID, icol+CMID, icol+CRIGHT, TMP);
				/* that nonsense with the 100's and parens tries
				   to avoid overflow while proportionally shifting
				   the middle of the number */
		fprintf(tabout, ".nr %d \\n(%d\n", icol+CRIGHT, TMP);
		}
	}
/* now adjust for total table width */
for(tsep=icol=0; icol<ncol; icol++)
	tsep+= sep[icol];
if (expflg)
	{
	fprintf(tabout, ".nr %d 0", TMP);
	for(icol=0; icol<ncol; icol++)
		fprintf(tabout, "+\\n(%d", icol+CRIGHT);
	fprintf(tabout, "\n");
	fprintf(tabout, ".nr %d \\n(.l-\\n(%d\n", TMP, TMP);
	if (boxflg || dboxflg || allflg)
		tsep += 1;
	else
		tsep -= sep[ncol-1];
	fprintf(tabout, ".nr %d \\n(%d/%d\n", TMP, TMP,  tsep);
	fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP);
	}
else
	fprintf(tabout, ".nr %d 1n\n", TMP);
fprintf(tabout, ".nr %d 0\n",CRIGHT-1);
tsep= (boxflg || allflg || dboxflg || left1flg) ? 1 : 0;
for(icol=0; icol<ncol; icol++)
	{
	fprintf(tabout, ".nr %d \\n(%d+(%d*\\n(%d)\n",icol+CLEFT, icol+CRIGHT-1, tsep, TMP);
	fprintf(tabout, ".nr %d +\\n(%d\n",icol+CRIGHT, icol+CLEFT);
	if (doubled[icol])
		{
		/* the next line is last-ditch effort to avoid zero field width */
		/*fprintf(tabout, ".if \\n(%d=0 .nr %d 1\n",icol+CMID, icol+CMID);*/
		fprintf(tabout, ".nr %d +\\n(%d\n", icol+CMID, icol+CLEFT);
	/*  fprintf(tabout, ".if n .if \\n(%d%%24>0 .nr %d +12u\n",icol+CMID, icol+CMID); */
		}
	tsep=sep[icol];
	}
if (rightl)
	fprintf(tabout, ".nr %d (\\n(%d+\\n(%d)/2\n",ncol+CRIGHT-1, ncol+CLEFT-1, ncol+CRIGHT-2);
fprintf(tabout, ".nr TW \\n(%d\n", ncol+CRIGHT-1);
if (boxflg || allflg || dboxflg)
	fprintf(tabout, ".nr TW +%d*\\n(%d\n", sep[ncol-1], TMP);
fprintf(tabout,
 ".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);
return;
}
wide(s, fn, size)
	char *s, *size, *fn;
{
if (point(s))
	{
	fprintf(tabout, "\\w%c", F1);
	if (*fn>0) putfont(fn);
	if (*size) putsize(size);
	fprintf(tabout, "%s", s);
	if (*fn>0) putfont("P");
	if (*size) putsize("0");
	fprintf(tabout, "%c",F1);
	}
else
	fprintf(tabout, "\\n(%c-", s);
}
filler(s)
	char *s;
{
return (point(s) && s[0]=='\\' && s[1] == 'R');
}
Commit	Line	Data
e85960a4 BS	1	/* t6.c 4.1 83/02/12 */
	2
	3	/* t6.c: compute tab stops */
	4	# define tx(a) (a>0 && a<128)
	5	# include "t..c"
	6	maktab()
	7	{
	8	# define FN(i,c) font[stynum[i]][c]
	9	# define SZ(i,c) csize[stynum[i]][c]
	10	/* define the tab stops of the table */
	11	int icol, ilin, tsep, k, ik, vforml, il, text;
	12	int doubled[MAXCOL], acase[MAXCOL];
	13	char *s;
	14	for(icol=0; icol <ncol; icol++)
	15	{
	16	doubled[icol] = acase[icol] = 0;
	17	fprintf(tabout, ".nr %d 0\n", icol+CRIGHT);
	18	for(text=0; text<2; text++)
	19	{
	20	if (text)
	21	fprintf(tabout, ".%02d\n.rm %02d\n", icol+80, icol+80);
	22	for(ilin=0; ilin<nlin; ilin++)
	23	{
	24	if (instead[ilin]\|\| fullbot[ilin]) continue;
	25	vforml=ilin;
	26	for(il=prev(ilin); il>=0 && vspen(table[il][icol].col); il=prev(il))
	27	vforml=il;
	28	if (fspan(vforml,icol)) continue;
	29	if (filler(table[ilin][icol].col)) continue;
	30	switch(ctype(vforml,icol))
	31	{
	32	case 'a':
	33	acase[icol]=1;
	34	s = table[ilin][icol].col;
	35	if (s>0 && s<128 && text)
	36	{
	37	if (doubled[icol]==0)
	38	fprintf(tabout, ".nr %d 0\n.nr %d 0\n",S1,S2);
	39	doubled[icol]=1;
	40	fprintf(tabout, ".if \\n(%c->\\n(%d .nr %d \\n(%c-\n",s,S2,S2,s);
	41	}
	42	case 'n':
	43	if (table[ilin][icol].rcol!=0)
	44	{
	45	if (doubled[icol]==0 && text==0)
	46	fprintf(tabout, ".nr %d 0\n.nr %d 0\n", S1, S2);
	47	doubled[icol]=1;
	48	if (real(s=table[ilin][icol].col) && !vspen(s))
	49	{
	50	if (tx(s) != text) continue;
	51	fprintf(tabout, ".nr %d ", TMP);
	52	wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n");
	53	fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", S1, TMP, S1, TMP);
	54	}
	55	if (text==0 && real(s=table[ilin][icol].rcol) && !vspen(s) && !barent(s))
	56	{
	57	fprintf(tabout, ".nr %d \\w%c%s%c\n",TMP, F1, s, F1);
	58	fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",S2,TMP,S2,TMP);
	59	}
	60	continue;
	61	}
	62	case 'r':
	63	case 'c':
	64	case 'l':
65	if (real(s=table[ilin][icol].col) && !vspen(s))
66	{
67	if (tx(s) != text) continue;
68	fprintf(tabout, ".nr %d ", TMP);
69	wide(s, FN(vforml,icol), SZ(vforml,icol)); fprintf(tabout, "\n");
70	fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n", icol+CRIGHT, TMP, icol+CRIGHT, TMP);
71	}
72	}
73	}
74	}
75	if (acase[icol])
76	{
77	fprintf(tabout, ".if \\n(%d>=\\n(%d .nr %d \\n(%du+2n\n",S2,icol+CRIGHT,icol+CRIGHT,S2);
78	}
79	if (doubled[icol])
80	{
81	fprintf(tabout, ".nr %d \\n(%d\n", icol+CMID, S1);
82	fprintf(tabout, ".nr %d \\n(%d+\\n(%d\n",TMP,icol+CMID,S2);
83	fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",TMP,icol+CRIGHT,icol+CRIGHT,TMP);
84	fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d +(\\n(%d-\\n(%d)/2\n",TMP,icol+CRIGHT,icol+CMID,icol+CRIGHT,TMP);
85	}
86	if (cll[icol][0])
87	{
88	fprintf(tabout, ".nr %d %sn\n", TMP, cll[icol]);
89	fprintf(tabout, ".if \\n(%d<\\n(%d .nr %d \\n(%d\n",icol+CRIGHT, TMP, icol+CRIGHT, TMP);
90	}
91	for(ilin=0; ilin<nlin; ilin++)
92	if (k=lspan(ilin, icol))
93	{
94	s=table[ilin][icol-k].col;
95	if (!real(s) \|\| barent(s) \|\| vspen(s) ) continue;
96	fprintf(tabout, ".nr %d ", TMP);
97	wide(table[ilin][icol-k].col, FN(ilin,icol-k), SZ(ilin,icol-k));
98	for(ik=k; ik>=0; ik--)
99	{
100	fprintf(tabout, "-\\n(%d",CRIGHT+icol-ik);
101	if (!expflg && ik>0) fprintf(tabout, "-%dn", sep[icol-ik]);
102	}
103	fprintf(tabout, "\n");
104	fprintf(tabout, ".if \\n(%d>0 .nr %d \\n(%d/%d\n", TMP, TMP, TMP, k);
105	fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP);
106	for(ik=1; ik<=k; ik++)
107	{
108	if (doubled[icol-k+ik])
109	fprintf(tabout, ".nr %d +\\n(%d/2\n", icol-k+ik+CMID, TMP);
110	fprintf(tabout, ".nr %d +\\n(%d\n", icol-k+ik+CRIGHT, TMP);
111	}
112	}
113	}
114	if (textflg) untext();
115	/* if even requested, make all columns widest width */
116	# define TMP1 S1
117	# define TMP2 S2
118	if (evenflg)
119	{
120	fprintf(tabout, ".nr %d 0\n", TMP);
121	for(icol=0; icol<ncol; icol++)
122	{
123	if (evenup[icol]==0) continue;
124	fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n",
125	icol+CRIGHT, TMP, TMP, icol+CRIGHT);
126	}
127	for(icol=0; icol<ncol; icol++)
128	{
129	if (evenup[icol]==0)
130	/* if column not evened just retain old interval */
131	continue;
132	if (doubled[icol])
133	fprintf(tabout, ".nr %d (100\\n(%d/\\n(%d)\\n(%d/100\n",
134	icol+CMID, icol+CMID, icol+CRIGHT, TMP);
135	/* that nonsense with the 100's and parens tries
136	to avoid overflow while proportionally shifting
137	the middle of the number */
138	fprintf(tabout, ".nr %d \\n(%d\n", icol+CRIGHT, TMP);
139	}
140	}
141	/* now adjust for total table width */
142	for(tsep=icol=0; icol<ncol; icol++)
143	tsep+= sep[icol];
144	if (expflg)
145	{
146	fprintf(tabout, ".nr %d 0", TMP);
147	for(icol=0; icol<ncol; icol++)
148	fprintf(tabout, "+\\n(%d", icol+CRIGHT);
149	fprintf(tabout, "\n");
150	fprintf(tabout, ".nr %d \\n(.l-\\n(%d\n", TMP, TMP);
151	if (boxflg \|\| dboxflg \|\| allflg)
152	tsep += 1;
153	else
154	tsep -= sep[ncol-1];
155	fprintf(tabout, ".nr %d \\n(%d/%d\n", TMP, TMP, tsep);
156	fprintf(tabout, ".if \\n(%d<0 .nr %d 0\n", TMP, TMP);
157	}
158	else
159	fprintf(tabout, ".nr %d 1n\n", TMP);
160	fprintf(tabout, ".nr %d 0\n",CRIGHT-1);
161	tsep= (boxflg \|\| allflg \|\| dboxflg \|\| left1flg) ? 1 : 0;
162	for(icol=0; icol<ncol; icol++)
163	{
164	fprintf(tabout, ".nr %d \\n(%d+(%d*\\n(%d)\n",icol+CLEFT, icol+CRIGHT-1, tsep, TMP);
165	fprintf(tabout, ".nr %d +\\n(%d\n",icol+CRIGHT, icol+CLEFT);
166	if (doubled[icol])
167	{
168	/* the next line is last-ditch effort to avoid zero field width */
169	/fprintf(tabout, ".if \\n(%d=0 .nr %d 1\n",icol+CMID, icol+CMID);/
170	fprintf(tabout, ".nr %d +\\n(%d\n", icol+CMID, icol+CLEFT);
171	/* fprintf(tabout, ".if n .if \\n(%d%%24>0 .nr %d +12u\n",icol+CMID, icol+CMID); */
172	}
173	tsep=sep[icol];
174	}
175	if (rightl)
176	fprintf(tabout, ".nr %d (\\n(%d+\\n(%d)/2\n",ncol+CRIGHT-1, ncol+CLEFT-1, ncol+CRIGHT-2);
177	fprintf(tabout, ".nr TW \\n(%d\n", ncol+CRIGHT-1);
178	if (boxflg \|\| allflg \|\| dboxflg)
179	fprintf(tabout, ".nr TW +%d*\\n(%d\n", sep[ncol-1], TMP);
180	fprintf(tabout,
181	".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);
182	return;
183	}
184	wide(s, fn, size)
185	char s, size, *fn;
186	{
187	if (point(s))
188	{
189	fprintf(tabout, "\\w%c", F1);
190	if (*fn>0) putfont(fn);
191	if (*size) putsize(size);
192	fprintf(tabout, "%s", s);
193	if (*fn>0) putfont("P");
194	if (*size) putsize("0");
195	fprintf(tabout, "%c",F1);
196	}
197	else
198	fprintf(tabout, "\\n(%c-", s);
199	}
200	filler(s)
201	char *s;
202	{
203	return (point(s) && s[0]=='\\' && s[1] == 'R');
204	}