1 /* t8.c: write out one line of output table */
2 # include "t.h"
3 # define realsplit ((ct=='a'||ct=='n') && table[nl][c].rcol)
4 int	watchout;
5 int	once;
6 
7 void
8 putline(int i, int nl)
9 				/* i is line number for deciding format */
10 				/* nl is line number for finding data   usually identical */
11 {
12 	int	c, lf, ct, form, lwid, vspf, ip, cmidx, exvspen, vforml;
13 	int	vct, chfont, uphalf;
14 	char	*s, *size, *fn, *rct;
15 
16 	cmidx = watchout = vspf = exvspen = 0;
17 	if (i == 0) 
18 		once = 0;
19 	if (i == 0 && ( allflg || boxflg || dboxflg))
20 		fullwide(0,   dboxflg ? '=' : '-');
21 	if (instead[nl] == 0 && fullbot[nl] == 0)
22 		for (c = 0; c < ncol; c++) {
23 			s = table[nl][c].col;
24 			if (s == 0) 
25 				continue;
26 			if (vspen(s)) {
27 				for (ip = nl; ip < nlin; ip = next(ip))
28 					if (!vspen(s = table[ip][c].col)) 
29 						break;
30 				if ((int)s > 0 && (int)s < 128)
31 					fprintf(tabout, ".ne \\n(%c|u+\\n(.Vu\n", (int)s);
32 				continue;
33 			}
34 			if (point(s)) 
35 				continue;
36 			fprintf(tabout, ".ne \\n(%c|u+\\n(.Vu\n", (int)s);
37 			watchout = 1;
38 		}
39 	if (linestop[nl])
40 		fprintf(tabout, ".mk #%c\n", linestop[nl] + 'a' - 1);
41 	lf = prev(nl);
42 	if (instead[nl]) {
43 		fprintf(tabout, "%s\n", instead[nl]);
44 		return;
45 	}
46 	if (fullbot[nl]) {
47 		switch (ct = fullbot[nl]) {
48 		case '=':
49 		case '-':
50 			fullwide(nl, ct);
51 		}
52 		return;
53 	}
54 	for (c = 0; c < ncol; c++) {
55 		if (instead[nl] == 0 && fullbot[nl] == 0)
56 			if (vspen(table[nl][c].col)) 
57 				vspf = 1;
58 		if (lf >= 0)
59 			if (vspen(table[lf][c].col)) 
60 				vspf = 1;
61 	}
62 	if (vspf) {
63 		fprintf(tabout, ".nr #^ \\n(\\*(#du\n");
64 		fprintf(tabout, ".nr #- \\n(#^\n"); /* current line position relative to bottom */
65 	}
66 	vspf = 0;
67 	chfont = 0;
68 	for (c = 0; c < ncol; c++) {
69 		s = table[nl][c].col;
70 		if (s == 0) 
71 			continue;
72 		chfont |= (int)(font[c][stynum[nl]]);
73 		if (point(s) ) 
74 			continue;
75 		lf = prev(nl);
76 		if (lf >= 0 && vspen(table[lf][c].col))
77 			fprintf(tabout,
78 			   ".if (\\n(%c|+\\n(^%c-1v)>\\n(#- .nr #- +(\\n(%c|+\\n(^%c-\\n(#--1v)\n",
79 			    (int)s, 'a' + c, (int)s, 'a' + c);
80 		else
81 			fprintf(tabout,
82 			    ".if (\\n(%c|+\\n(#^-1v)>\\n(#- .nr #- +(\\n(%c|+\\n(#^-\\n(#--1v)\n",
83 			    (int)s, (int)s);
84 	}
85 	if (allflg && once > 0 )
86 		fullwide(i, '-');
87 	once = 1;
88 	runtabs(i, nl);
89 	if (allh(i) && !pr1403) {
90 		fprintf(tabout, ".nr %d \\n(.v\n", SVS);
91 		fprintf(tabout, ".vs \\n(.vu-\\n(.sp\n");
92 		fprintf(tabout, ".nr 35 \\n(.vu\n");
93 	} else
94 		fprintf(tabout, ".nr 35 1m\n");
95 	if (chfont)
96 		fprintf(tabout, ".nr %2d \\n(.f\n", S1);
97 	fprintf(tabout, "\\&");
98 	vct = 0;
99 	for (c = 0; c < ncol; c++) {
100 		uphalf = 0;
101 		if (watchout == 0 && i + 1 < nlin && (lf = left(i, c, &lwid)) >= 0) {
102 			tohcol(c);
103 			drawvert(lf, i, c, lwid);
104 			vct += 2;
105 		}
106 		if (rightl && c + 1 == ncol) 
107 			continue;
108 		vforml = i;
109 		for (lf = prev(nl); lf >= 0 && vspen(table[lf][c].col); lf = prev(lf))
110 			vforml = lf;
111 		form = ctype(vforml, c);
112 		if (form != 's') {
113 			rct = reg(c, CLEFT);
114 			if (form == 'a') 
115 				rct = reg(c, CMID);
116 			if (form == 'n' && table[nl][c].rcol && lused[c] == 0) 
117 				rct = reg(c, CMID);
118 			fprintf(tabout, "\\h'|\\n(%2su'", rct);
119 		}
120 		s = table[nl][c].col;
121 		fn = font[c][stynum[vforml]];
122 		size = csize[c][stynum[vforml]];
123 		if (*size == 0)
124 			size = 0;
125 		if ((flags[c][stynum[nl]] & HALFUP) != 0 && pr1403 == 0)
126 			uphalf = 1;
127 		switch (ct = ctype(vforml, c)) {
128 		case 'n':
129 		case 'a':
130 			if (table[nl][c].rcol) {
131 				if (lused[c]) /*Zero field width*/ {
132 					ip = prev(nl);
133 					if (ip >= 0)
134 						if (vspen(table[ip][c].col)) {
135 							if (exvspen == 0) {
136 								fprintf(tabout, "\\v'-(\\n(\\*(#du-\\n(^%cu", c + 'a');
137 								if (cmidx)
138 /* code folded from here */
139 	fprintf(tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
140 /* unfolding */
141 								vct++;
142 								if (pr1403) /* must round to whole lines */
143 /* code folded from here */
144 	fprintf(tabout, "/1v*1v");
145 /* unfolding */
146 								fprintf(tabout, "'");
147 								exvspen = 1;
148 							}
149 						}
150 					fprintf(tabout, "%c%c", F1, F2);
151 					if (uphalf) 
152 						fprintf(tabout, "\\u");
153 					puttext(s, fn, size);
154 					if (uphalf) 
155 						fprintf(tabout, "\\d");
156 					fprintf(tabout, "%c", F1);
157 				}
158 				s = table[nl][c].rcol;
159 				form = 1;
160 				break;
161 			}
162 		case 'c':
163 			form = 3; 
164 			break;
165 		case 'r':
166 			form = 2; 
167 			break;
168 		case 'l':
169 			form = 1; 
170 			break;
171 		case '-':
172 		case '=':
173 			if (real(table[nl][c].col))
174 				fprintf(stderr, "%s: line %d: Data ignored on table line %d\n", ifile, iline - 1, i + 1);
175 			makeline(i, c, ct);
176 			continue;
177 		default:
178 			continue;
179 		}
180 		if (realsplit ? rused[c] : used[c]) /*Zero field width*/ {
181 			/* form: 1 left, 2 right, 3 center adjust */
182 			if (ifline(s)) {
183 				makeline(i, c, ifline(s));
184 				continue;
185 			}
186 			if (filler(s)) {
187 				fprintf(tabout, "\\l'|\\n(%2su\\&%s'", reg(c, CRIGHT), s + 2);
188 				continue;
189 			}
190 			ip = prev(nl);
191 			cmidx = (flags[c][stynum[nl]] & (CTOP | CDOWN)) == 0;
192 			if (ip >= 0)
193 				if (vspen(table[ip][c].col)) {
194 					if (exvspen == 0) {
195 						fprintf(tabout, "\\v'-(\\n(\\*(#du-\\n(^%cu", c + 'a');
196 						if (cmidx)
197 							fprintf(tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
198 						vct++;
199 						if (pr1403) /* round to whole lines */
200 							fprintf(tabout, "/1v*1v");
201 						fprintf(tabout, "'");
202 					}
203 				}
204 			fprintf(tabout, "%c", F1);
205 			if (form != 1)
206 				fprintf(tabout, "%c", F2);
207 			if (vspen(s))
208 				vspf = 1;
209 			else
210 			 {
211 				if (uphalf) 
212 					fprintf(tabout, "\\u");
213 				puttext(s, fn, size);
214 				if (uphalf) 
215 					fprintf(tabout, "\\d");
216 			}
217 			if (form != 2)
218 				fprintf(tabout, "%c", F2);
219 			fprintf(tabout, "%c", F1);
220 		}
221 		ip = prev(nl);
222 		if (ip >= 0) {
223 			if (vspen(table[ip][c].col)) {
224 				exvspen = (c + 1 < ncol) && vspen(table[ip][c+1].col) && 
225 				    (topat[c] == topat[c+1]) && 
226 				    (cmidx == ((flags[c+1] [stynum[nl]] & (CTOP | CDOWN)) == 0))
227 				     && (left(i, c + 1, &lwid) < 0);
228 				if (exvspen == 0) {
229 					fprintf(tabout, "\\v'(\\n(\\*(#du-\\n(^%cu", c + 'a');
230 					if (cmidx)
231 						fprintf(tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
232 					vct++;
233 					if (pr1403) /* round to whole lines */
234 						fprintf(tabout, "/1v*1v");
235 					fprintf(tabout, "'");
236 				}
237 			}
238 			else
239 				exvspen = 0;
240 		}
241 		/* if lines need to be split for gcos here is the place for a backslash */
242 		if (vct > 7 && c < ncol) {
243 			fprintf(tabout, "\n.sp-1\n\\&");
244 			vct = 0;
245 		}
246 	}
247 	fprintf(tabout, "\n");
248 	if (allh(i) && !pr1403) 
249 		fprintf(tabout, ".vs \\n(%du\n", SVS);
250 	if (watchout)
251 		funnies(i, nl);
252 	if (vspf) {
253 		for (c = 0; c < ncol; c++)
254 			if (vspen(table[nl][c].col) && (nl == 0 || (lf = prev(nl)) < 0 ||
255 			    !vspen(table[lf][c].col))) {
256 				fprintf(tabout, ".nr ^%c \\n(#^u\n", 'a' + c);
257 				topat[c] = nl;
258 			}
259 	}
260 }
261 
262 
263 void
264 puttext(char *s, char *fn, char *size)
265 {
266 	if (point(s)) {
267 		putfont(fn);
268 		putsize(size);
269 		fprintf(tabout, "%s", s);
270 		if (*fn > 0) 
271 			fprintf(tabout, "\\f\\n(%2d", S1);
272 		if (size != 0) 
273 			putsize("0");
274 	}
275 }
276 
277 
278 void
279 funnies(int stl, int lin)
280 {
281 					/* write out funny diverted things */
282 	int	c, s, pl, lwid, dv, lf, ct;
283 	char	*fn, *ss;
284 
285 	fprintf(tabout, ".mk ##\n");	 /* rmember current vertical position */
286 	fprintf(tabout, ".nr %d \\n(##\n", S1);		 /* bottom position */
287 	for (c = 0; c < ncol; c++) {
288 		ss = table[lin][c].col;
289 		if (point(ss)) 
290 			continue;
291 		if (ss == 0) 
292 			continue;
293 		s = (int)ss;
294 		fprintf(tabout, ".sp |\\n(##u-1v\n");
295 		fprintf(tabout, ".nr %d ", SIND);
296 		ct = 0;
297 		for (pl = stl; pl >= 0 && !isalpha(ct = ctype(pl, c)); pl = prev(pl))
298 			;
299 		switch (ct) {
300 		case 'n':
301 		case 'c':
302 			fprintf(tabout, "(\\n(%2su+\\n(%2su-\\n(%c-u)/2u\n", reg(c, CLEFT),
303 			     reg(c - 1 + ctspan(lin, c), CRIGHT),
304 			     s);
305 			break;
306 		case 'l':
307 			fprintf(tabout, "\\n(%2su\n", reg(c, CLEFT));
308 			break;
309 		case 'a':
310 			fprintf(tabout, "\\n(%2su\n", reg(c, CMID));
311 			break;
312 		case 'r':
313 			fprintf(tabout, "\\n(%2su-\\n(%c-u\n", reg(c, CRIGHT), s);
314 			break;
315 		}
316 		fprintf(tabout, ".in +\\n(%du\n", SIND);
317 		fn = font[c][stynum[stl]];
318 		putfont(fn);
319 		pl = prev(stl);
320 		if (stl > 0 && pl >= 0 && vspen(table[pl][c].col)) {
321 			fprintf(tabout, ".sp |\\n(^%cu\n", 'a' + c);
322 			if ((flags[c][stynum[stl]] & (CTOP | CDOWN)) == 0) {
323 				fprintf(tabout, ".nr %d \\n(#-u-\\n(^%c-\\n(%c|+1v\n",
324 				     TMP, 'a' + c, s);
325 				fprintf(tabout, ".if \\n(%d>0 .sp \\n(%du/2u", TMP, TMP);
326 				if (pr1403)		 /* round */
327 					fprintf(tabout, "/1v*1v");
328 				fprintf(tabout, "\n");
329 			}
330 		}
331 		fprintf(tabout, ".%c+\n", s);
332 		fprintf(tabout, ".in -\\n(%du\n", SIND);
333 		if (*fn > 0) 
334 			putfont("P");
335 		fprintf(tabout, ".mk %d\n", S2);
336 		fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n", S2, S1, S1, S2);
337 	}
338 	fprintf(tabout, ".sp |\\n(%du\n", S1);
339 	for (c = dv = 0; c < ncol; c++) {
340 		if (stl + 1 < nlin && (lf = left(stl, c, &lwid)) >= 0) {
341 			if (dv++ == 0)
342 				fprintf(tabout, ".sp -1\n");
343 			tohcol(c);
344 			dv++;
345 			drawvert(lf, stl, c, lwid);
346 		}
347 	}
348 	if (dv)
349 		fprintf(tabout, "\n");
350 }
351 
352 
353 void
354 putfont(char *fn)
355 {
356 	if (fn && *fn)
357 		fprintf(tabout,  fn[1] ? "\\f(%.2s" : "\\f%.2s",  fn);
358 }
359 
360 
361 void
362 putsize(char *s)
363 {
364 	if (s && *s)
365 		fprintf(tabout, "\\s%s", s);
366 }
367 
368