projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 0d808062 BJ |
1 | # include <stdio.h> |
| 2 | /* | |
| 3 | * vsort - Sort troff output for versatec to reduce amount of reverse leading | |
| 4 | */ | |
| 5 | ||
| 6 | #define NULL 0 | |
| 7 | ||
| 8 | double atof(); | |
| 9 | char *calloc(); | |
| 10 | ||
| 11 | FILE *in,*out; | |
| 12 | ||
| 13 | struct achar *piles[500], *afreel; | |
| 14 | ||
| 15 | int skipfirst = 1; /* skip the first leading so start at top of page */ | |
| 16 | int cpsize = 02; /* Funny sizes */ | |
| 17 | struct point_sizes { | |
| 18 | int stupid_code; | |
| 19 | int real_code; | |
| 20 | } point_sizes[] = { | |
| 21 | 010, 6, | |
| 22 | 0, 7, | |
| 23 | 01, 8, | |
| 24 | 07, 9, | |
| 25 | 02, 10, | |
| 26 | 03, 11, | |
| 27 | 04, 12, | |
| 28 | 05, 14, | |
| 29 | 0211, 16, | |
| 30 | 06, 18, | |
| 31 | 0212, 20, | |
| 32 | 0213, 22, | |
| 33 | 0214, 24, | |
| 34 | 0215, 28, | |
| 35 | 0216, 36, | |
| 36 | 0, 0 | |
| 37 | }; | |
| 38 | ||
| 39 | int pagelength = 144 * 11; /* in Leading units */ | |
| 40 | int pagemod; /* horizontal page number (for versatec) */ | |
| 41 | #define MODOFF 3672 /* 432 * 8.5 */ | |
| 42 | ||
| 43 | int esc, lead, back, verd, mcase, railmag; | |
| 44 | int col, row; | |
| 45 | ||
| 46 | int oback, omcase, orailmag, ocol, orow, overd; | |
| 47 | int opsize = 02; | |
| 48 | ||
| 49 | struct achar | |
| 50 | { | |
| 51 | char code; | |
| 52 | char psize; | |
| 53 | short col; | |
| 54 | short row; | |
| 55 | char railmag; | |
| 56 | char verd; | |
| 57 | char back; | |
| 58 | char mcase; | |
| 59 | struct achar *next; | |
| 60 | }; | |
| 61 | ||
| 62 | main(argc, argv) | |
| 63 | int argc; | |
| 64 | char *argv[]; | |
| 65 | { | |
| 66 | register i; | |
| 67 | ||
| 68 | for(i = 3; i < 15; i++) | |
| 69 | close(i); | |
| 70 | while (argc > 1 && argv[1][0] == '-') { | |
| 71 | switch (argv[1][1]) { | |
| 72 | case 'l': { | |
| 73 | float f = 144 * atof(argv[1] + 2); | |
| 74 | if (f < 144) { | |
| 75 | error("bad length"); | |
| 76 | exit(1); | |
| 77 | } | |
| 78 | pagelength = f; | |
| 79 | break; | |
| 80 | } | |
| 81 | } | |
| 82 | argc--; argv++; | |
| 83 | } | |
| 84 | out = stdout; | |
| 85 | if(argc > 1) { | |
| 86 | while(--argc) { | |
| 87 | argv++; | |
| 88 | if((in=fopen(argv[0], "r")) == NULL) | |
| 89 | perror("vsort"); | |
| 90 | else { | |
| 91 | ofile(); | |
| 92 | fclose(in); | |
| 93 | } | |
| 94 | } | |
| 95 | } else { | |
| 96 | in = stdin; | |
| 97 | ofile(); | |
| 98 | } | |
| 99 | exit(0); | |
| 100 | } | |
| 101 | ||
| 102 | ofile() | |
| 103 | { | |
| 104 | register int c; | |
| 105 | static int initialized; | |
| 106 | ||
| 107 | while((c = getch()) != -1) { | |
| 108 | if(!c) | |
| 109 | continue; | |
| 110 | if(c & 0200) { /* escape (left/right) */ | |
| 111 | esc += (~c) & 0177; | |
| 112 | continue; | |
| 113 | } | |
| 114 | if(esc) { | |
| 115 | if(back) | |
| 116 | esc = -esc; | |
| 117 | col += esc; | |
| 118 | esc = 0; | |
| 119 | } | |
| 120 | if((c & 0377) < 0100) /* Purely for efficiency */ | |
| 121 | goto normal_char; | |
| 122 | switch(c) { | |
| 123 | ||
| 124 | case 0100: | |
| 125 | if(initialized++) { | |
| 126 | linesflush(); | |
| 127 | return; | |
| 128 | } | |
| 129 | row = 0; | |
| 130 | col = 0; esc = 0; | |
| 131 | lead = 0; | |
| 132 | verd = 0; back = 0; mcase = 0; | |
| 133 | railmag = 0; | |
| 134 | ocol = 0; | |
| 135 | orow = 0; | |
| 136 | oback = 0; omcase = 0; | |
| 137 | orailmag = 0; | |
| 138 | if(loadfont(railmag, cpsize) < 0) | |
| 139 | error("init"); | |
| 140 | putc(0100, out); | |
| 141 | break; | |
| 142 | ||
| 143 | case 0101: /* lower rail */ | |
| 144 | crail(railmag &= ~01); | |
| 145 | break; | |
| 146 | ||
| 147 | case 0102: /* upper rail */ | |
| 148 | crail(railmag |= 01); | |
| 149 | break; | |
| 150 | ||
| 151 | case 0103: /* upper mag */ | |
| 152 | crail(railmag |= 02); | |
| 153 | break; | |
| 154 | ||
| 155 | case 0104: /* lower mag */ | |
| 156 | crail(railmag &= ~02); | |
| 157 | break; | |
| 158 | ||
| 159 | case 0105: /* lower case */ | |
| 160 | mcase = 0; | |
| 161 | break; | |
| 162 | ||
| 163 | case 0106: /* upper case */ | |
| 164 | mcase = 1; | |
| 165 | break; | |
| 166 | ||
| 167 | case 0107: /* escape forward */ | |
| 168 | back = 0; | |
| 169 | break; | |
| 170 | ||
| 171 | case 0110: /* escape backwards */ | |
| 172 | back = 1; | |
| 173 | break; | |
| 174 | ||
| 175 | case 0111: /* stop */ | |
| 176 | break; | |
| 177 | ||
| 178 | case 0112: /* lead forward */ | |
| 179 | verd = 0; | |
| 180 | break; | |
| 181 | ||
| 182 | case 0113: /* undefined */ | |
| 183 | break; | |
| 184 | ||
| 185 | case 0114: /* lead backward */ | |
| 186 | verd = 1; | |
| 187 | break; | |
| 188 | ||
| 189 | case 0115: /* undefined */ | |
| 190 | case 0116: | |
| 191 | case 0117: | |
| 192 | break; | |
| 193 | ||
| 194 | default: | |
| 195 | if((c & 0340) == 0140) {/* leading */ | |
| 196 | lead = (~c) & 037; | |
| 197 | if(verd) | |
| 198 | lead = -lead; | |
| 199 | if (skipfirst > 0) { | |
| 200 | skipfirst--; | |
| 201 | continue; | |
| 202 | } | |
| 203 | row += lead; | |
| 204 | if (row >= pagelength) | |
| 205 | allflush(); | |
| 206 | continue; | |
| 207 | } | |
| 208 | if((c & 0360)== 0120) { /* size change */ | |
| 209 | col += stupidadj(c & 017, cpsize); | |
| 210 | loadfont(railmag, c & 017); | |
| 211 | continue; | |
| 212 | } | |
| 213 | if(c & 0300) | |
| 214 | continue; | |
| 215 | normal_char: | |
| 216 | c = (c & 077); | |
| 217 | stuffc(c); | |
| 218 | } | |
| 219 | } | |
| 220 | linesflush(); | |
| 221 | putc(0111, out); | |
| 222 | putc(0111, out); | |
| 223 | putc(0111, out); | |
| 224 | putc(0111, out); | |
| 225 | putc(0111, out); | |
| 226 | putc(0111, out); | |
| 227 | putc(0111, out); | |
| 228 | putc(0111, out); | |
| 229 | } | |
| 230 | ||
| 231 | int peekc; | |
| 232 | ||
| 233 | getch() | |
| 234 | { | |
| 235 | register c; | |
| 236 | ||
| 237 | if(peekc) { | |
| 238 | c = peekc; | |
| 239 | peekc = 0; | |
| 240 | return(c); | |
| 241 | } | |
| 242 | return(getc(in)); | |
| 243 | } | |
| 244 | ||
| 245 | ungetc(c) | |
| 246 | { | |
| 247 | peekc = c; | |
| 248 | } | |
| 249 | ||
| 250 | error(s) | |
| 251 | char *s; | |
| 252 | { | |
| 253 | ||
| 254 | fflush(out); | |
| 255 | fprintf(stderr, "vsort: %s\n", s); | |
| 256 | } | |
| 257 | ||
| 258 | crail(nrail) | |
| 259 | int nrail; | |
| 260 | { | |
| 261 | ||
| 262 | railmag = nrail; | |
| 263 | loadfont(nrail, cpsize); | |
| 264 | } | |
| 265 | ||
| 266 | loadfont(fnum, size) | |
| 267 | int fnum; | |
| 268 | int size; | |
| 269 | { | |
| 270 | ||
| 271 | cpsize = size; | |
| 272 | return(0); | |
| 273 | } | |
| 274 | ||
| 275 | stuffc(code) | |
| 276 | register int code; | |
| 277 | { | |
| 278 | register struct achar *ap, **bp; | |
| 279 | ||
| 280 | if (col < 0 || col >= 500*8) | |
| 281 | return; | |
| 282 | if (afreel) { | |
| 283 | ap = afreel; | |
| 284 | afreel = ap->next; | |
| 285 | } else | |
| 286 | ap = (struct achar *)malloc(sizeof (*ap)); | |
| 287 | ap->row = row; | |
| 288 | ap->col = col; | |
| 289 | ap->psize = cpsize; | |
| 290 | ap->verd = verd; | |
| 291 | ap->back = back; | |
| 292 | ap->mcase = mcase; | |
| 293 | ap->code = code; | |
| 294 | ap->railmag = railmag; | |
| 295 | bp = &piles[col / 8]; | |
| 296 | ap->next = *bp; | |
| 297 | *bp = ap; | |
| 298 | } | |
| 299 | ||
| 300 | allflush() | |
| 301 | { | |
| 302 | ||
| 303 | linesflush(); | |
| 304 | if (row > orow) | |
| 305 | ptlead(row - orow); | |
| 306 | row -= pagelength; | |
| 307 | orow = row; | |
| 308 | } | |
| 309 | ||
| 310 | ||
| 311 | linesflush() | |
| 312 | { | |
| 313 | register struct achar **ap, *bp, *cp; | |
| 314 | static notfirst; | |
| 315 | ||
| 316 | if (notfirst) | |
| 317 | putc(0115, out); | |
| 318 | orow = 0; | |
| 319 | ocol = 0; | |
| 320 | notfirst = 1; | |
| 321 | for (ap = &piles[0]; ap < &piles[500]; ap++) { | |
| 322 | for (bp = *ap; bp; bp = cp) { | |
| 323 | sendchar(bp); | |
| 324 | cp = bp->next; | |
| 325 | bp->next = afreel; | |
| 326 | afreel = bp; | |
| 327 | } | |
| 328 | *ap = 0; | |
| 329 | } | |
| 330 | } | |
| 331 | ||
| 332 | sendchar(cp) | |
| 333 | register struct achar *cp; | |
| 334 | { | |
| 335 | register int i; | |
| 336 | ||
| 337 | #ifdef DUMPCHAR | |
| 338 | dumpchar(cp); | |
| 339 | #endif | |
| 340 | if(cp->railmag != orailmag) | |
| 341 | ptrail(cp->railmag); | |
| 342 | if(cp->psize != opsize) | |
| 343 | ptsize(cp->psize); | |
| 344 | if(cp->mcase != omcase) | |
| 345 | ptmcase(); | |
| 346 | if(cp->row != orow) | |
| 347 | ptlead(cp->row - orow); | |
| 348 | if(cp->col != ocol) | |
| 349 | ptesc(cp->col - ocol); | |
| 350 | if(cp->back != oback) | |
| 351 | ptback(); | |
| 352 | putc(cp->code, out); | |
| 353 | orow = cp->row; | |
| 354 | orailmag = cp->railmag; | |
| 355 | opsize = cp->psize; | |
| 356 | omcase = cp->mcase; | |
| 357 | ocol = cp->col; | |
| 358 | oback = cp->back; | |
| 359 | } | |
| 360 | ||
| 361 | ptrail(rlmg) | |
| 362 | register int rlmg; | |
| 363 | { | |
| 364 | ||
| 365 | if((rlmg & 01) != (orailmag & 01)) | |
| 366 | putc((rlmg & 01) ? 0102:0101, out); /* rail */ | |
| 367 | if((rlmg & 02) != (orailmag & 02)) | |
| 368 | putc((rlmg & 02) ? 0103:0104, out); /* mag */ | |
| 369 | } | |
| 370 | ||
| 371 | ptback() | |
| 372 | { | |
| 373 | ||
| 374 | putc(oback ? 0107:0110, out); | |
| 375 | oback = !oback; | |
| 376 | } | |
| 377 | ||
| 378 | ptsize(size) | |
| 379 | register int size; | |
| 380 | { | |
| 381 | ||
| 382 | putc(0120 | (size & 017), out); | |
| 383 | ptesc(-stupidadj(size, opsize)); | |
| 384 | } | |
| 385 | ||
| 386 | stupidadj(code, lcode) | |
| 387 | register int code; | |
| 388 | int lcode; | |
| 389 | { | |
| 390 | register struct point_sizes *psp; | |
| 391 | register struct point_sizes *lpsp; | |
| 392 | ||
| 393 | psp = point_sizes; | |
| 394 | while(psp->real_code != 0) { | |
| 395 | if((psp->stupid_code & 017) == code) | |
| 396 | break; | |
| 397 | psp++; | |
| 398 | } | |
| 399 | lpsp = point_sizes; | |
| 400 | while(lpsp->real_code != 0) { | |
| 401 | if((lpsp->stupid_code & 017) == lcode) | |
| 402 | break; | |
| 403 | lpsp++; | |
| 404 | } | |
| 405 | code = 0; | |
| 406 | if(!(lpsp->stupid_code & 0200) && (psp->stupid_code & 0200)) | |
| 407 | code = -55; | |
| 408 | else | |
| 409 | if((lpsp->stupid_code & 0200) && !(psp->stupid_code & 0200)) | |
| 410 | code = 55; | |
| 411 | return(code); | |
| 412 | } | |
| 413 | ||
| 414 | ptmcase() | |
| 415 | { | |
| 416 | ||
| 417 | putc(omcase ? 0105:0106, out); | |
| 418 | } | |
| 419 | ||
| 420 | ptesc(escc) | |
| 421 | register int escc; | |
| 422 | { | |
| 423 | ||
| 424 | if((escc < 0 && !oback ) || (escc >= 0 && oback)) | |
| 425 | ptback(); | |
| 426 | escc = abs(escc); | |
| 427 | while(escc > 0177) { | |
| 428 | putc(0200, out); | |
| 429 | escc -= 0177; | |
| 430 | } | |
| 431 | if(escc) | |
| 432 | putc(0200 | ((~escc) & 0177), out); | |
| 433 | } | |
| 434 | ||
| 435 | ptlead(leadd) | |
| 436 | register int leadd; | |
| 437 | { | |
| 438 | ||
| 439 | if (leadd == 0) | |
| 440 | return; | |
| 441 | if (leadd < 0) { | |
| 442 | if (overd == 0) | |
| 443 | putc(0114, out), overd = 1; | |
| 444 | leadd = -leadd; | |
| 445 | } else { | |
| 446 | if (overd) | |
| 447 | putc(0112, out), overd = 0; | |
| 448 | } | |
| 449 | if (leadd > 64) { | |
| 450 | putc(0116, out); | |
| 451 | putc(leadd / 64, out); | |
| 452 | leadd %= 64; | |
| 453 | } | |
| 454 | while (leadd > 037) { | |
| 455 | putc(0140, out); | |
| 456 | leadd -= 037; | |
| 457 | } | |
| 458 | if (leadd) | |
| 459 | putc(0140 | ((~leadd) & 037), out); | |
| 460 | } | |
| 461 | ||
| 462 | #ifdef DUMPLINE | |
| 463 | dumpchar(cp) | |
| 464 | register struct achar *cp; | |
| 465 | { | |
| 466 | ||
| 467 | fprintf(stderr, | |
| 468 | "code %o psize %d col %d row %d railmag %d verd %d back %d mcase %d\n", | |
| 469 | cp->code, cp->psize, cp->col, cp->row, cp->railmag, cp->verd, | |
| 470 | cp->back, cp->mcase); | |
| 471 | } | |
| 472 | #endif |