plan9port

fork of plan9port with libvec, libstr and libsdb
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t8.c (9012B)


      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, s, lf, ct, form, lwid, vspf, ip, cmidx, exvspen, vforml;
     13 	int	vct, chfont, uphalf;
     14 	char	*ss, *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 			ss = table[nl][c].col;
     24 			if (ss == 0)
     25 				continue;
     26 			if (vspen(ss)) {
     27 				for (ip = nl; ip < nlin; ip = next(ip))
     28 					if (!vspen(ss = table[ip][c].col))
     29 						break;
     30 				s = (int)(uintptr)ss;
     31 				if (s > 0 && s < 128)
     32 					Bprint(&tabout, ".ne \\n(%c|u+\\n(.Vu\n", (int)s);
     33 				continue;
     34 			}
     35 			if (point(ss))
     36 				continue;
     37 			s = (int)(uintptr)ss;
     38 			Bprint(&tabout, ".ne \\n(%c|u+\\n(.Vu\n", s);
     39 			watchout = 1;
     40 		}
     41 	if (linestop[nl])
     42 		Bprint(&tabout, ".mk #%c\n", linestop[nl] + 'a' - 1);
     43 	lf = prev(nl);
     44 	if (instead[nl]) {
     45 		Bprint(&tabout, "%s\n", instead[nl]);
     46 		return;
     47 	}
     48 	if (fullbot[nl]) {
     49 		switch (ct = fullbot[nl]) {
     50 		case '=':
     51 		case '-':
     52 			fullwide(nl, ct);
     53 		}
     54 		return;
     55 	}
     56 	for (c = 0; c < ncol; c++) {
     57 		if (instead[nl] == 0 && fullbot[nl] == 0)
     58 			if (vspen(table[nl][c].col))
     59 				vspf = 1;
     60 		if (lf >= 0)
     61 			if (vspen(table[lf][c].col))
     62 				vspf = 1;
     63 	}
     64 	if (vspf) {
     65 		Bprint(&tabout, ".nr #^ \\n(\\*(#du\n");
     66 		Bprint(&tabout, ".nr #- \\n(#^\n"); /* current line position relative to bottom */
     67 	}
     68 	vspf = 0;
     69 	chfont = 0;
     70 	for (c = 0; c < ncol; c++) {
     71 		ss = table[nl][c].col;
     72 		if (ss == 0)
     73 			continue;
     74 		if(font[c][stynum[nl]])
     75 			chfont = 1;
     76 		if (point(ss) )
     77 			continue;
     78 		s = (int)(uintptr)ss;
     79 		lf = prev(nl);
     80 		if (lf >= 0 && vspen(table[lf][c].col))
     81 			Bprint(&tabout,
     82 			   ".if (\\n(%c|+\\n(^%c-1v)>\\n(#- .nr #- +(\\n(%c|+\\n(^%c-\\n(#--1v)\n",
     83 			    s, 'a' + c, s, 'a' + c);
     84 		else
     85 			Bprint(&tabout,
     86 			    ".if (\\n(%c|+\\n(#^-1v)>\\n(#- .nr #- +(\\n(%c|+\\n(#^-\\n(#--1v)\n",
     87 			    (int)s, (int)s);
     88 	}
     89 	if (allflg && once > 0 )
     90 		fullwide(i, '-');
     91 	once = 1;
     92 	runtabs(i, nl);
     93 	if (allh(i) && !pr1403) {
     94 		Bprint(&tabout, ".nr %d \\n(.v\n", SVS);
     95 		Bprint(&tabout, ".vs \\n(.vu-\\n(.sp\n");
     96 		Bprint(&tabout, ".nr 35 \\n(.vu\n");
     97 	} else
     98 		Bprint(&tabout, ".nr 35 1m\n");
     99 	if (chfont)
    100 		Bprint(&tabout, ".nr %2d \\n(.f\n", S1);
    101 	Bprint(&tabout, "\\&");
    102 	vct = 0;
    103 	for (c = 0; c < ncol; c++) {
    104 		uphalf = 0;
    105 		if (watchout == 0 && i + 1 < nlin && (lf = left(i, c, &lwid)) >= 0) {
    106 			tohcol(c);
    107 			drawvert(lf, i, c, lwid);
    108 			vct += 2;
    109 		}
    110 		if (rightl && c + 1 == ncol)
    111 			continue;
    112 		vforml = i;
    113 		for (lf = prev(nl); lf >= 0 && vspen(table[lf][c].col); lf = prev(lf))
    114 			vforml = lf;
    115 		form = ctype(vforml, c);
    116 		if (form != 's') {
    117 			rct = reg(c, CLEFT);
    118 			if (form == 'a')
    119 				rct = reg(c, CMID);
    120 			if (form == 'n' && table[nl][c].rcol && lused[c] == 0)
    121 				rct = reg(c, CMID);
    122 			Bprint(&tabout, "\\h'|\\n(%2su'", rct);
    123 		}
    124 		ss = table[nl][c].col;
    125 		fn = font[c][stynum[vforml]];
    126 		size = csize[c][stynum[vforml]];
    127 		if (*size == 0)
    128 			size = 0;
    129 		if ((flags[c][stynum[nl]] & HALFUP) != 0 && pr1403 == 0)
    130 			uphalf = 1;
    131 		switch (ct = ctype(vforml, c)) {
    132 		case 'n':
    133 		case 'a':
    134 			if (table[nl][c].rcol) {
    135 				if (lused[c]) /*Zero field width*/ {
    136 					ip = prev(nl);
    137 					if (ip >= 0)
    138 						if (vspen(table[ip][c].col)) {
    139 							if (exvspen == 0) {
    140 								Bprint(&tabout, "\\v'-(\\n(\\*(#du-\\n(^%cu", c + 'a');
    141 								if (cmidx)
    142 /* code folded from here */
    143 	Bprint(&tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
    144 /* unfolding */
    145 								vct++;
    146 								if (pr1403) /* must round to whole lines */
    147 /* code folded from here */
    148 	Bprint(&tabout, "/1v*1v");
    149 /* unfolding */
    150 								Bprint(&tabout, "'");
    151 								exvspen = 1;
    152 							}
    153 						}
    154 					Bprint(&tabout, "%c%c", F1, F2);
    155 					if (uphalf)
    156 						Bprint(&tabout, "\\u");
    157 					puttext(ss, fn, size);
    158 					if (uphalf)
    159 						Bprint(&tabout, "\\d");
    160 					Bprint(&tabout, "%c", F1);
    161 				}
    162 				ss = table[nl][c].rcol;
    163 				form = 1;
    164 				break;
    165 			}
    166 		case 'c':
    167 			form = 3;
    168 			break;
    169 		case 'r':
    170 			form = 2;
    171 			break;
    172 		case 'l':
    173 			form = 1;
    174 			break;
    175 		case '-':
    176 		case '=':
    177 			if (real(table[nl][c].col))
    178 				fprint(2, "%s: line %d: Data ignored on table line %d\n", ifile, iline - 1, i + 1);
    179 			makeline(i, c, ct);
    180 			continue;
    181 		default:
    182 			continue;
    183 		}
    184 		if (realsplit ? rused[c] : used[c]) /*Zero field width*/ {
    185 			/* form: 1 left, 2 right, 3 center adjust */
    186 			if (ifline(ss)) {
    187 				makeline(i, c, ifline(ss));
    188 				continue;
    189 			}
    190 			if (filler(ss)) {
    191 				Bprint(&tabout, "\\l'|\\n(%2su\\&%s'", reg(c, CRIGHT), ss + 2);
    192 				continue;
    193 			}
    194 			ip = prev(nl);
    195 			cmidx = (flags[c][stynum[nl]] & (CTOP | CDOWN)) == 0;
    196 			if (ip >= 0)
    197 				if (vspen(table[ip][c].col)) {
    198 					if (exvspen == 0) {
    199 						Bprint(&tabout, "\\v'-(\\n(\\*(#du-\\n(^%cu", c + 'a');
    200 						if (cmidx)
    201 							Bprint(&tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
    202 						vct++;
    203 						if (pr1403) /* round to whole lines */
    204 							Bprint(&tabout, "/1v*1v");
    205 						Bprint(&tabout, "'");
    206 					}
    207 				}
    208 			Bprint(&tabout, "%c", F1);
    209 			if (form != 1)
    210 				Bprint(&tabout, "%c", F2);
    211 			if (vspen(ss))
    212 				vspf = 1;
    213 			else
    214 			 {
    215 				if (uphalf)
    216 					Bprint(&tabout, "\\u");
    217 				puttext(ss, fn, size);
    218 				if (uphalf)
    219 					Bprint(&tabout, "\\d");
    220 			}
    221 			if (form != 2)
    222 				Bprint(&tabout, "%c", F2);
    223 			Bprint(&tabout, "%c", F1);
    224 		}
    225 		ip = prev(nl);
    226 		if (ip >= 0)
    227 			if (vspen(table[ip][c].col)) {
    228 				exvspen = (c + 1 < ncol) && vspen(table[ip][c+1].col) &&
    229 				    (topat[c] == topat[c+1]) &&
    230 				    (cmidx == (flags[c+1] [stynum[nl]] & (CTOP | CDOWN) == 0))
    231 				     && (left(i, c + 1, &lwid) < 0);
    232 				if (exvspen == 0) {
    233 					Bprint(&tabout, "\\v'(\\n(\\*(#du-\\n(^%cu", c + 'a');
    234 					if (cmidx)
    235 						Bprint(&tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
    236 					vct++;
    237 					if (pr1403) /* round to whole lines */
    238 						Bprint(&tabout, "/1v*1v");
    239 					Bprint(&tabout, "'");
    240 				}
    241 			}
    242 			else
    243 				exvspen = 0;
    244 		/* if lines need to be split for gcos here is the place for a backslash */
    245 		if (vct > 7 && c < ncol) {
    246 			Bprint(&tabout, "\n.sp-1\n\\&");
    247 			vct = 0;
    248 		}
    249 	}
    250 	Bprint(&tabout, "\n");
    251 	if (allh(i) && !pr1403)
    252 		Bprint(&tabout, ".vs \\n(%du\n", SVS);
    253 	if (watchout)
    254 		funnies(i, nl);
    255 	if (vspf) {
    256 		for (c = 0; c < ncol; c++)
    257 			if (vspen(table[nl][c].col) && (nl == 0 || (lf = prev(nl)) < 0 ||
    258 			    !vspen(table[lf][c].col))) {
    259 				Bprint(&tabout, ".nr ^%c \\n(#^u\n", 'a' + c);
    260 				topat[c] = nl;
    261 			}
    262 	}
    263 }
    264 
    265 
    266 void
    267 puttext(char *s, char *fn, char *size)
    268 {
    269 	if (point(s)) {
    270 		putfont(fn);
    271 		putsize(size);
    272 		Bprint(&tabout, "%s", s);
    273 		if (*fn > 0)
    274 			Bprint(&tabout, "\\f\\n(%2d", S1);
    275 		if (size != 0)
    276 			putsize("0");
    277 	}
    278 }
    279 
    280 
    281 void
    282 funnies(int stl, int lin)
    283 {
    284 					/* write out funny diverted things */
    285 	int	c, s, pl, lwid, dv, lf, ct;
    286 	char	*fn, *ss;
    287 
    288 	Bprint(&tabout, ".mk ##\n");	 /* rmember current vertical position */
    289 	Bprint(&tabout, ".nr %d \\n(##\n", S1);		 /* bottom position */
    290 	for (c = 0; c < ncol; c++) {
    291 		ss = table[lin][c].col;
    292 		if (point(ss))
    293 			continue;
    294 		if (ss == 0)
    295 			continue;
    296 		s = (int)(uintptr)ss;
    297 		Bprint(&tabout, ".sp |\\n(##u-1v\n");
    298 		Bprint(&tabout, ".nr %d ", SIND);
    299 		ct = 0;
    300 		for (pl = stl; pl >= 0 && !isalpha(ct = ctype(pl, c)); pl = prev(pl))
    301 			;
    302 		switch (ct) {
    303 		case 'n':
    304 		case 'c':
    305 			Bprint(&tabout, "(\\n(%2su+\\n(%2su-\\n(%c-u)/2u\n", reg(c, CLEFT),
    306 			     reg(c - 1 + ctspan(lin, c), CRIGHT),
    307 			     s);
    308 			break;
    309 		case 'l':
    310 			Bprint(&tabout, "\\n(%2su\n", reg(c, CLEFT));
    311 			break;
    312 		case 'a':
    313 			Bprint(&tabout, "\\n(%2su\n", reg(c, CMID));
    314 			break;
    315 		case 'r':
    316 			Bprint(&tabout, "\\n(%2su-\\n(%c-u\n", reg(c, CRIGHT), s);
    317 			break;
    318 		}
    319 		Bprint(&tabout, ".in +\\n(%du\n", SIND);
    320 		fn = font[c][stynum[stl]];
    321 		putfont(fn);
    322 		pl = prev(stl);
    323 		if (stl > 0 && pl >= 0 && vspen(table[pl][c].col)) {
    324 			Bprint(&tabout, ".sp |\\n(^%cu\n", 'a' + c);
    325 			if ((flags[c][stynum[stl]] & (CTOP | CDOWN)) == 0) {
    326 				Bprint(&tabout, ".nr %d \\n(#-u-\\n(^%c-\\n(%c|+1v\n",
    327 				     TMP, 'a' + c, s);
    328 				Bprint(&tabout, ".if \\n(%d>0 .sp \\n(%du/2u", TMP, TMP);
    329 				if (pr1403)		 /* round */
    330 					Bprint(&tabout, "/1v*1v");
    331 				Bprint(&tabout, "\n");
    332 			}
    333 		}
    334 		Bprint(&tabout, ".%c+\n", s);
    335 		Bprint(&tabout, ".in -\\n(%du\n", SIND);
    336 		if (*fn > 0)
    337 			putfont("P");
    338 		Bprint(&tabout, ".mk %d\n", S2);
    339 		Bprint(&tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n", S2, S1, S1, S2);
    340 	}
    341 	Bprint(&tabout, ".sp |\\n(%du\n", S1);
    342 	for (c = dv = 0; c < ncol; c++) {
    343 		if (stl + 1 < nlin && (lf = left(stl, c, &lwid)) >= 0) {
    344 			if (dv++ == 0)
    345 				Bprint(&tabout, ".sp -1\n");
    346 			tohcol(c);
    347 			dv++;
    348 			drawvert(lf, stl, c, lwid);
    349 		}
    350 	}
    351 	if (dv)
    352 		Bprint(&tabout, "\n");
    353 }
    354 
    355 
    356 void
    357 putfont(char *fn)
    358 {
    359 	if (fn && *fn)
    360 		Bprint(&tabout,  fn[1] ? "\\f(%.2s" : "\\f%.2s",  fn);
    361 }
    362 
    363 
    364 void
    365 putsize(char *s)
    366 {
    367 	if (s && *s)
    368 		Bprint(&tabout, "\\s%s", s);
    369 }