projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 6f722ea7 BJ |
1 | # include <stdio.h> |
| 2 | /* | |
| 3 | * vsort - Sort troff output for versatec to reduce amount of reverse leading | |
| 4 | */ | |
| 5 | ||
| 6 | #define cycle for(;;) | |
| 7 | #define NULL 0 | |
| 8 | ||
| 9 | #define INTR 2 | |
| 10 | #define QUIT 3 | |
| 11 | #define HUP 1 | |
| 12 | #define BROKENPIPE 13 | |
| 13 | ||
| 14 | double atof(); | |
| 15 | ||
| 16 | FILE *inbuf,*outbuf; | |
| 17 | ||
| 18 | int skmagic = 1; /* skip the first leading so start at top of page */ | |
| 19 | int cpsize = 02; /* Funny sizes */ | |
| 20 | struct point_sizes | |
| 21 | { | |
| 22 | int stupid_code; | |
| 23 | int real_code; | |
| 24 | } point_sizes[] | |
| 25 | { | |
| 26 | 010, 6, | |
| 27 | 0, 7, | |
| 28 | 01, 8, | |
| 29 | 07, 9, | |
| 30 | 02, 10, | |
| 31 | 03, 11, | |
| 32 | 04, 12, | |
| 33 | 05, 14, | |
| 34 | 0211, 16, | |
| 35 | 06, 18, | |
| 36 | 0212, 20, | |
| 37 | 0213, 22, | |
| 38 | 0214, 24, | |
| 39 | 0215, 28, | |
| 40 | 0216, 36, | |
| 41 | 0, 0 | |
| 42 | }; | |
| 43 | ||
| 44 | int overflow = 144 * 11; | |
| 45 | int pagemod; | |
| 46 | #define MODOFF 3672 /* 432 * 8.5 */ | |
| 47 | ||
| 48 | int esc, lead, back, verd, mcase, railmag; | |
| 49 | int col, row; | |
| 50 | int pstart 0; /* Means a startline is pending */ | |
| 51 | ||
| 52 | int oback, omcase, orailmag, ocol; | |
| 53 | int opsize 02; | |
| 54 | ||
| 55 | struct lstate | |
| 56 | { | |
| 57 | int row; | |
| 58 | int col; | |
| 59 | int psize; | |
| 60 | char railmag; | |
| 61 | char verd; | |
| 62 | char back; | |
| 63 | char mcase; | |
| 64 | }; | |
| 65 | ||
| 66 | struct line | |
| 67 | { | |
| 68 | struct line *nextp; | |
| 69 | struct line *lastp; | |
| 70 | int len; | |
| 71 | struct lstate start; | |
| 72 | struct lstate end; | |
| 73 | char *codep; | |
| 74 | }; | |
| 75 | ||
| 76 | struct line *head; | |
| 77 | struct line *tail; | |
| 78 | struct line cline { -1,-1,-1,-1}; | |
| 79 | ||
| 80 | #define TBUFLEN 1024 | |
| 81 | char *codep; | |
| 82 | char tbuf[TBUFLEN]; | |
| 83 | ||
| 84 | #ifdef MONITORING | |
| 85 | extern etext(); | |
| 86 | int monbuf[1000]; | |
| 87 | #endif | |
| 88 | ||
| 89 | main(argc, argv) | |
| 90 | int argc; | |
| 91 | char *argv[]; | |
| 92 | { | |
| 93 | register i; | |
| 94 | ||
| 95 | #ifndef TESTING | |
| 96 | signal(BROKENPIPE, 1); | |
| 97 | #endif | |
| 98 | ||
| 99 | for(i = 3; i < 15; i++) | |
| 100 | close(i); | |
| 101 | #ifdef MONITORING | |
| 102 | monitor(2,etext,monbuf,sizeof monbuf/2,0); | |
| 103 | #endif | |
| 104 | if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'l') { | |
| 105 | float f = 144 * atof(argv[1] + 2); | |
| 106 | if (f < 144) { | |
| 107 | error("bad length"); | |
| 108 | exit(1); | |
| 109 | } | |
| 110 | overflow = f; | |
| 111 | argc--, argv++; | |
| 112 | } | |
| 113 | outbuf = stdout; | |
| 114 | if(argc > 1) | |
| 115 | { | |
| 116 | while(--argc) | |
| 117 | { | |
| 118 | argv++; | |
| 119 | process(argv[0]); | |
| 120 | } | |
| 121 | } | |
| 122 | else | |
| 123 | { | |
| 124 | inbuf = stdin; | |
| 125 | ofile(); | |
| 126 | } | |
| 127 | #ifdef MONITORING | |
| 128 | monitor(0); | |
| 129 | #endif | |
| 130 | done(); | |
| 131 | } | |
| 132 | ||
| 133 | ||
| 134 | process(name) | |
| 135 | char *name; | |
| 136 | { | |
| 137 | if((inbuf=fopen(name, "r")) == NULL) | |
| 138 | error("cannot open data file"); | |
| 139 | ofile(); | |
| 140 | } | |
| 141 | ||
| 142 | ofile() | |
| 143 | { | |
| 144 | register int c; | |
| 145 | static int initialized; | |
| 146 | ||
| 147 | while((c = getch()) != -1) { | |
| 148 | if(!c) | |
| 149 | continue; | |
| 150 | if(c & 0200) | |
| 151 | { | |
| 152 | if(!pstart) | |
| 153 | stuffc(c); | |
| 154 | esc += (~c) & 0177; | |
| 155 | continue; | |
| 156 | } | |
| 157 | if(esc) | |
| 158 | { | |
| 159 | if(back) | |
| 160 | esc = -esc; | |
| 161 | col += esc; | |
| 162 | esc = 0; | |
| 163 | } | |
| 164 | if((c & 0377) < 0100) /* Purely for efficiency */ | |
| 165 | goto normal_char; | |
| 166 | switch(c) { | |
| 167 | case 0100: | |
| 168 | if(initialized++) | |
| 169 | goto out; | |
| 170 | row = 0; | |
| 171 | col = 0; esc = 0; | |
| 172 | lead = 0; | |
| 173 | verd = 0; back = 0; mcase = 0; | |
| 174 | railmag = 0; | |
| 175 | ocol = 0; | |
| 176 | oback = 0; omcase = 0; | |
| 177 | orailmag = 0; | |
| 178 | if(loadfont(railmag, cpsize) < 0) | |
| 179 | error("init"); | |
| 180 | startline(); | |
| 181 | putc(0100, outbuf); /* Dont stuff it guys */ | |
| 182 | break; | |
| 183 | case 0101: /* lower rail */ | |
| 184 | crail(railmag =& ~01); | |
| 185 | if(!pstart) | |
| 186 | stuffc(c); | |
| 187 | break; | |
| 188 | case 0102: /* upper rail */ | |
| 189 | crail(railmag =| 01); | |
| 190 | if(!pstart) | |
| 191 | stuffc(c); | |
| 192 | break; | |
| 193 | case 0103: /* upper mag */ | |
| 194 | crail(railmag =| 02); | |
| 195 | if(!pstart) | |
| 196 | stuffc(c); | |
| 197 | break; | |
| 198 | case 0104: /* lower mag */ | |
| 199 | crail(railmag =& ~02); | |
| 200 | if(!pstart) | |
| 201 | stuffc(c); | |
| 202 | break; | |
| 203 | case 0105: /* lower case */ | |
| 204 | mcase = 0; | |
| 205 | if(!pstart) | |
| 206 | stuffc(c); | |
| 207 | break; | |
| 208 | case 0106: /* upper case */ | |
| 209 | mcase = 0100; | |
| 210 | if(!pstart) | |
| 211 | stuffc(c); | |
| 212 | break; | |
| 213 | case 0107: /* escape forward */ | |
| 214 | back = 0; | |
| 215 | if(!pstart) | |
| 216 | stuffc(c); | |
| 217 | break; | |
| 218 | case 0110: /* escape backwards */ | |
| 219 | back = 1; | |
| 220 | if(!pstart) | |
| 221 | stuffc(c); | |
| 222 | break; | |
| 223 | case 0111: /* stop */ | |
| 224 | stuffc(c); | |
| 225 | break; | |
| 226 | case 0112: /* lead forward */ | |
| 227 | verd = 0; | |
| 228 | break; | |
| 229 | case 0113: /* undefined */ | |
| 230 | break; | |
| 231 | case 0114: /* lead backward */ | |
| 232 | verd = 1; | |
| 233 | break; | |
| 234 | case 0115: /* undefined */ | |
| 235 | case 0116: | |
| 236 | case 0117: | |
| 237 | break; | |
| 238 | default: | |
| 239 | if((c & 0340) == 0140) /* leading */ | |
| 240 | { | |
| 241 | termline(); | |
| 242 | lead = (~c) & 037; | |
| 243 | if(verd) | |
| 244 | lead = -lead; | |
| 245 | if (skmagic > 0) { | |
| 246 | skmagic--; | |
| 247 | ptlead(lead); | |
| 248 | continue; | |
| 249 | } | |
| 250 | row += lead; | |
| 251 | if (row >= overflow) { | |
| 252 | if (pagemod == 3) { | |
| 253 | allflush(); | |
| 254 | col %= MODOFF; | |
| 255 | pagemod = 0; | |
| 256 | } else { | |
| 257 | pagemod++; | |
| 258 | col += MODOFF; | |
| 259 | row -= overflow; | |
| 260 | } | |
| 261 | } | |
| 262 | if (row >= overflow) | |
| 263 | write(2, "URK\n", 4); | |
| 264 | /* | |
| 265 | if (row > overflow) | |
| 266 | miniflush(); | |
| 267 | */ | |
| 268 | if (row < 0) { | |
| 269 | if (pagemod) { | |
| 270 | pagemod--; | |
| 271 | col -= MODOFF; | |
| 272 | row += overflow; | |
| 273 | } | |
| 274 | } | |
| 275 | if (row < 0) | |
| 276 | write(2, "URK2\n", 5); | |
| 277 | pstart++; | |
| 278 | continue; | |
| 279 | } | |
| 280 | if((c & 0360) == 0120) /* size change */ | |
| 281 | { | |
| 282 | if(!pstart) | |
| 283 | stuffc(c); | |
| 284 | col += stupidadj(c & 017, cpsize); | |
| 285 | loadfont(railmag, c & 017); | |
| 286 | continue; | |
| 287 | } | |
| 288 | if(c & 0300) | |
| 289 | continue; | |
| 290 | normal_char: | |
| 291 | c = (c & 077); | |
| 292 | stuffc(c); | |
| 293 | } | |
| 294 | } | |
| 295 | out: | |
| 296 | termline(); | |
| 297 | allflush(); | |
| 298 | fclose(inbuf); | |
| 299 | } | |
| 300 | ||
| 301 | done() { | |
| 302 | termline(); | |
| 303 | allflush(); | |
| 304 | exit(); | |
| 305 | } | |
| 306 | ||
| 307 | int peekc; | |
| 308 | getch() { | |
| 309 | register c; | |
| 310 | if(peekc) { | |
| 311 | c = peekc; | |
| 312 | peekc = 0; | |
| 313 | return(c); | |
| 314 | } | |
| 315 | return(getc(inbuf)); | |
| 316 | } | |
| 317 | ||
| 318 | ungetc(c) { | |
| 319 | peekc = c; | |
| 320 | } | |
| 321 | ||
| 322 | ||
| 323 | error(s) | |
| 324 | char *s; | |
| 325 | { | |
| 326 | ||
| 327 | fflush(outbuf); | |
| 328 | fprintf(stderr, "Vsort: %s\n", s); | |
| 329 | } | |
| 330 | ||
| 331 | crail(nrail) | |
| 332 | register int nrail; | |
| 333 | { | |
| 334 | register int psize; | |
| 335 | ||
| 336 | psize = cpsize; | |
| 337 | loadfont(nrail, psize); | |
| 338 | } | |
| 339 | ||
| 340 | loadfont(fnum, size) | |
| 341 | register int fnum; | |
| 342 | register int size; | |
| 343 | { | |
| 344 | ||
| 345 | cpsize = size; | |
| 346 | return(0); | |
| 347 | } | |
| 348 | ||
| 349 | startline() | |
| 350 | { | |
| 351 | ||
| 352 | if(pstart != 0) { | |
| 353 | cline.start.row = row; | |
| 354 | return; | |
| 355 | } | |
| 356 | cline.len = 0; | |
| 357 | cline.start.row = row; | |
| 358 | cline.start.col = col; | |
| 359 | cline.start.psize = cpsize; | |
| 360 | cline.start.mcase = mcase; | |
| 361 | cline.start.back = back; | |
| 362 | cline.start.verd = verd; | |
| 363 | cline.start.railmag = railmag; | |
| 364 | codep = tbuf; | |
| 365 | } | |
| 366 | ||
| 367 | termline() | |
| 368 | { | |
| 369 | register struct line *linep; | |
| 370 | register char *allp; | |
| 371 | register char *cp; | |
| 372 | int i; | |
| 373 | ||
| 374 | if(pstart != 0) | |
| 375 | return; | |
| 376 | if((allp = calloc(sizeof *linep,1)) == -1) | |
| 377 | error("alloc"); | |
| 378 | linep = allp; | |
| 379 | linep->end.row = row; | |
| 380 | linep->end.col = col; | |
| 381 | linep->end.psize = cpsize; | |
| 382 | linep->end.mcase = mcase; | |
| 383 | linep->end.back = back; | |
| 384 | linep->end.verd = verd; | |
| 385 | linep->end.railmag = railmag; | |
| 386 | linep->start.row = cline.start.row; | |
| 387 | linep->start.col = cline.start.col; | |
| 388 | linep->start.psize = cline.start.psize; | |
| 389 | linep->start.mcase = cline.start.mcase; | |
| 390 | linep->start.back = cline.start.back; | |
| 391 | linep->start.verd = cline.start.verd; | |
| 392 | linep->start.railmag = cline.start.railmag; | |
| 393 | linep->len = cline.len; | |
| 394 | if((allp = calloc(cline.len,1)) == -1) | |
| 395 | error("alloc"); | |
| 396 | linep->codep = allp; | |
| 397 | cp = tbuf; | |
| 398 | for(i = 0; i < cline.len; i++) | |
| 399 | *allp++ = *cp++; | |
| 400 | sortin(linep); | |
| 401 | } | |
| 402 | ||
| 403 | sortin(linep) | |
| 404 | register struct line *linep; | |
| 405 | { | |
| 406 | register struct line *clp; | |
| 407 | ||
| 408 | if((clp = tail) == NULL) { | |
| 409 | head = tail = linep; | |
| 410 | linep->lastp = linep->nextp = NULL; | |
| 411 | return; | |
| 412 | } | |
| 413 | while(clp != NULL && clp->start.row > linep->start.row) | |
| 414 | clp = clp->lastp; | |
| 415 | if(clp == tail) { | |
| 416 | linep->lastp = tail; | |
| 417 | linep->nextp = NULL; | |
| 418 | tail->nextp = linep; | |
| 419 | tail = linep; | |
| 420 | } else | |
| 421 | if(clp == NULL) /* goes at head of list */ { | |
| 422 | linep->lastp = NULL; | |
| 423 | linep->nextp = head; | |
| 424 | head->lastp = linep; | |
| 425 | head = linep; | |
| 426 | } else { | |
| 427 | linep->lastp = clp; | |
| 428 | linep->nextp = clp->nextp; | |
| 429 | clp->nextp->lastp = linep; | |
| 430 | clp->nextp = linep; | |
| 431 | } | |
| 432 | } | |
| 433 | ||
| 434 | stuffc(code) | |
| 435 | register int code; | |
| 436 | { | |
| 437 | ||
| 438 | if(pstart != 0) { | |
| 439 | pstart = 0; | |
| 440 | startline(); | |
| 441 | } | |
| 442 | if(cline.len > TBUFLEN) { | |
| 443 | termline(); | |
| 444 | startline(); | |
| 445 | } | |
| 446 | *codep++ = code; | |
| 447 | cline.len++; | |
| 448 | } | |
| 449 | ||
| 450 | miniflush() | |
| 451 | { | |
| 452 | ||
| 453 | sendline(); | |
| 454 | } | |
| 455 | ||
| 456 | allflush() | |
| 457 | { | |
| 458 | ||
| 459 | while(head != NULL) | |
| 460 | sendline(); | |
| 461 | sendline(); | |
| 462 | fflush(outbuf); | |
| 463 | } | |
| 464 | ||
| 465 | sendline() | |
| 466 | { | |
| 467 | register char *cp; | |
| 468 | register struct line *linep; | |
| 469 | register int i; | |
| 470 | int drow; | |
| 471 | ||
| 472 | if((linep = head) == NULL) { | |
| 473 | while(row >= overflow) { | |
| 474 | /* fprintf(stderr, "spitting %d\n", overflow - row); */ | |
| 475 | if (overflow - row) | |
| 476 | ptlead(overflow - row); | |
| 477 | updatelist(overflow); | |
| 478 | } | |
| 479 | return; | |
| 480 | } | |
| 481 | adjparms(linep); | |
| 482 | cp = linep->codep; | |
| 483 | for(i = 0; i < linep->len; i++) | |
| 484 | putc(*cp++, outbuf); | |
| 485 | setparms(linep); | |
| 486 | if(linep->nextp != NULL) | |
| 487 | drow = linep->nextp->start.row; | |
| 488 | else | |
| 489 | drow = overflow; | |
| 490 | head = linep->nextp; | |
| 491 | cfree(linep->codep); | |
| 492 | cfree(linep); | |
| 493 | if(head == NULL) | |
| 494 | tail = NULL; | |
| 495 | else | |
| 496 | head->lastp = NULL; | |
| 497 | ptlead(drow - row); | |
| 498 | row = drow; | |
| 499 | /* updatelist(drow); */ | |
| 500 | } | |
| 501 | ||
| 502 | adjparms(linep) | |
| 503 | register struct line *linep; | |
| 504 | { | |
| 505 | ||
| 506 | if(linep->start.railmag != orailmag) | |
| 507 | ptrail(linep->start.railmag); | |
| 508 | if(linep->start.psize != opsize) | |
| 509 | ptsize(linep->start.psize); | |
| 510 | if(linep->start.mcase != omcase) | |
| 511 | ptmcase(); | |
| 512 | if(linep->start.row != row) /* lead forward */ | |
| 513 | { | |
| 514 | ptlead(linep->start.row - row); | |
| 515 | row = linep->start.row; | |
| 516 | /* updatelist(linep->start.row); */ | |
| 517 | } | |
| 518 | if(linep->start.col != ocol) | |
| 519 | ptesc(linep->start.col-ocol); | |
| 520 | if(linep->start.back != oback) | |
| 521 | ptback(); | |
| 522 | } | |
| 523 | ||
| 524 | ptrail(rlmg) | |
| 525 | register int rlmg; | |
| 526 | { | |
| 527 | ||
| 528 | if((rlmg & 01) != (orailmag & 01)) | |
| 529 | putc((rlmg & 01) ? 0102:0101, outbuf); /* rail */ | |
| 530 | if((rlmg & 02) != (orailmag & 02)) | |
| 531 | putc((rlmg & 02) ? 0103:0104, outbuf); /* mag */ | |
| 532 | } | |
| 533 | ||
| 534 | ptback() | |
| 535 | { | |
| 536 | ||
| 537 | putc(oback ? 0107:0110, outbuf); | |
| 538 | oback = !oback; | |
| 539 | } | |
| 540 | ||
| 541 | ptsize(size) | |
| 542 | register int size; | |
| 543 | { | |
| 544 | ||
| 545 | putc(0120 | (size & 017), outbuf); | |
| 546 | ptesc(-stupidadj(size, opsize)); | |
| 547 | } | |
| 548 | ||
| 549 | stupidadj(code, lcode) | |
| 550 | register int code; | |
| 551 | int lcode; | |
| 552 | { | |
| 553 | register struct point_sizes *psp; | |
| 554 | register struct point_sizes *lpsp; | |
| 555 | ||
| 556 | psp = point_sizes; | |
| 557 | while(psp->real_code != 0) { | |
| 558 | if((psp->stupid_code & 017) == code) | |
| 559 | break; | |
| 560 | psp++; | |
| 561 | } | |
| 562 | lpsp = point_sizes; | |
| 563 | while(lpsp->real_code != 0) { | |
| 564 | if((lpsp->stupid_code & 017) == lcode) | |
| 565 | break; | |
| 566 | lpsp++; | |
| 567 | } | |
| 568 | code = 0; | |
| 569 | if(!(lpsp->stupid_code & 0200) && (psp->stupid_code & 0200)) | |
| 570 | code = -55; | |
| 571 | else | |
| 572 | if((lpsp->stupid_code & 0200) && !(psp->stupid_code & 0200)) | |
| 573 | code = 55; | |
| 574 | return(code); | |
| 575 | } | |
| 576 | ||
| 577 | ptmcase() | |
| 578 | { | |
| 579 | ||
| 580 | putc(omcase ? 0105:0106, outbuf); | |
| 581 | } | |
| 582 | ||
| 583 | ptesc(escc) | |
| 584 | register int escc; | |
| 585 | { | |
| 586 | ||
| 587 | if((escc < 0 && !oback ) || (escc >= 0 && oback)) | |
| 588 | ptback(); | |
| 589 | escc = abs(escc); | |
| 590 | while(escc > 0177) { | |
| 591 | putc(0200, outbuf); | |
| 592 | escc -= 0177; | |
| 593 | } | |
| 594 | if(escc) | |
| 595 | putc(0200 | ((~escc) & 0177), outbuf); | |
| 596 | } | |
| 597 | ||
| 598 | ptlead(leadd) | |
| 599 | register int leadd; | |
| 600 | { | |
| 601 | ||
| 602 | while(leadd > 037) { | |
| 603 | putc(0140, outbuf); | |
| 604 | leadd -= 037; | |
| 605 | } | |
| 606 | if(leadd) | |
| 607 | putc(0140 | ((~leadd) & 037), outbuf); | |
| 608 | } | |
| 609 | ||
| 610 | setparms(linep) | |
| 611 | register struct line *linep; | |
| 612 | { | |
| 613 | ||
| 614 | orailmag = linep->end.railmag; | |
| 615 | opsize = linep->end.psize; | |
| 616 | omcase = linep->end.mcase; | |
| 617 | ocol = linep->end.col; | |
| 618 | oback = linep->end.back; | |
| 619 | } | |
| 620 | ||
| 621 | updatelist(drow) | |
| 622 | register int drow; | |
| 623 | { | |
| 624 | register struct line *clp; | |
| 625 | ||
| 626 | for(clp = head; clp != NULL; clp = clp->nextp) | |
| 627 | clp->start.row -= drow; | |
| 628 | row -= drow; | |
| 629 | } |