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| Commit | Line | Data |
|---|---|---|
| c936af6c SL |
1 | #ifndef lint |
| 2 | static char sccsid[] = "@(#)rvsort.c 4.2 (Berkeley) %G%"; | |
| 3 | #endif | |
| 4 | ||
| 00bb50e7 BJ |
5 | /* |
| 6 | * Sort troff output for versatec to reduce amount of reverse leading | |
| 7 | */ | |
| 8 | ||
| 9 | # include <stdio.h> | |
| 10 | ||
| 11 | #define NULL 0 | |
| 12 | ||
| 13 | double atof(); | |
| 14 | char *calloc(); | |
| 15 | ||
| 16 | FILE *in,*out; | |
| 17 | ||
| 18 | struct achar *piles[500], *afreel; | |
| 19 | ||
| 20 | int skipfirst = 1; /* skip the first leading so start at top of page */ | |
| 21 | int cpsize = 02; /* Funny sizes */ | |
| 22 | struct point_sizes { | |
| 23 | int stupid_code; | |
| 24 | int real_code; | |
| 25 | } point_sizes[] = { | |
| 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 pagelength = 144 * 11; /* in Leading units */ | |
| 45 | int pagemod; /* horizontal page number (for versatec) */ | |
| 46 | #define MODOFF 3672 /* 432 * 8.5 */ | |
| 47 | ||
| 48 | int esc, lead, back, verd, mcase, railmag; | |
| 49 | int col, row; | |
| 50 | ||
| 51 | int oback, omcase, orailmag, ocol, orow, overd; | |
| 52 | int opsize = 02; | |
| 53 | ||
| 54 | struct achar | |
| 55 | { | |
| 56 | char code; | |
| 57 | char psize; | |
| 58 | short col; | |
| 59 | short row; | |
| 60 | char railmag; | |
| 61 | char verd; | |
| 62 | char back; | |
| 63 | char mcase; | |
| 64 | struct achar *next; | |
| 65 | }; | |
| 66 | ||
| 67 | main(argc, argv) | |
| 68 | int argc; | |
| 69 | char *argv[]; | |
| 70 | { | |
| 71 | register i; | |
| 72 | ||
| 73 | for(i = 3; i < 15; i++) | |
| 74 | close(i); | |
| 75 | while (argc > 1 && argv[1][0] == '-') { | |
| 76 | switch (argv[1][1]) { | |
| 77 | case 'l': { | |
| 78 | float f = 144 * atof(argv[1] + 2); | |
| 79 | if (f < 144) { | |
| 80 | error("bad length"); | |
| 81 | exit(1); | |
| 82 | } | |
| 83 | pagelength = f; | |
| 84 | break; | |
| 85 | } | |
| 86 | } | |
| 87 | argc--; argv++; | |
| 88 | } | |
| 89 | out = stdout; | |
| 90 | if(argc > 1) { | |
| 91 | while(--argc) { | |
| 92 | argv++; | |
| 93 | if((in=fopen(argv[0], "r")) == NULL) | |
| 94 | perror("vsort"); | |
| 95 | else { | |
| 96 | ofile(); | |
| 97 | fclose(in); | |
| 98 | } | |
| 99 | } | |
| 100 | } else { | |
| 101 | in = stdin; | |
| 102 | ofile(); | |
| 103 | } | |
| 104 | exit(0); | |
| 105 | } | |
| 106 | ||
| 107 | ofile() | |
| 108 | { | |
| 109 | register int c; | |
| 110 | static int initialized; | |
| 111 | ||
| 112 | while((c = getch()) != -1) { | |
| 113 | if(!c) | |
| 114 | continue; | |
| 115 | if(c & 0200) { /* escape (left/right) */ | |
| 116 | esc += (~c) & 0177; | |
| 117 | continue; | |
| 118 | } | |
| 119 | if(esc) { | |
| 120 | if(back) | |
| 121 | esc = -esc; | |
| 122 | col += esc; | |
| 123 | esc = 0; | |
| 124 | } | |
| 125 | if((c & 0377) < 0100) /* Purely for efficiency */ | |
| 126 | goto normal_char; | |
| 127 | switch(c) { | |
| 128 | ||
| 129 | case 0100: | |
| 130 | if(initialized++) { | |
| 131 | linesflush(); | |
| 132 | return; | |
| 133 | } | |
| 134 | row = 0; | |
| 135 | col = 0; esc = 0; | |
| 136 | lead = 0; | |
| 137 | verd = 0; back = 0; mcase = 0; | |
| 138 | railmag = 0; | |
| 139 | ocol = 0; | |
| 140 | orow = 0; | |
| 141 | oback = 0; omcase = 0; | |
| 142 | orailmag = 0; | |
| 143 | if(loadfont(railmag, cpsize) < 0) | |
| 144 | error("init"); | |
| 145 | putc(0100, out); | |
| 146 | break; | |
| 147 | ||
| 148 | case 0101: /* lower rail */ | |
| 149 | crail(railmag &= ~01); | |
| 150 | break; | |
| 151 | ||
| 152 | case 0102: /* upper rail */ | |
| 153 | crail(railmag |= 01); | |
| 154 | break; | |
| 155 | ||
| 156 | case 0103: /* upper mag */ | |
| 157 | crail(railmag |= 02); | |
| 158 | break; | |
| 159 | ||
| 160 | case 0104: /* lower mag */ | |
| 161 | crail(railmag &= ~02); | |
| 162 | break; | |
| 163 | ||
| 164 | case 0105: /* lower case */ | |
| 165 | mcase = 0; | |
| 166 | break; | |
| 167 | ||
| 168 | case 0106: /* upper case */ | |
| 169 | mcase = 1; | |
| 170 | break; | |
| 171 | ||
| 172 | case 0107: /* escape forward */ | |
| 173 | back = 0; | |
| 174 | break; | |
| 175 | ||
| 176 | case 0110: /* escape backwards */ | |
| 177 | back = 1; | |
| 178 | break; | |
| 179 | ||
| 180 | case 0111: /* stop */ | |
| 181 | break; | |
| 182 | ||
| 183 | case 0112: /* lead forward */ | |
| 184 | verd = 0; | |
| 185 | break; | |
| 186 | ||
| 187 | case 0113: /* undefined */ | |
| 188 | break; | |
| 189 | ||
| 190 | case 0114: /* lead backward */ | |
| 191 | verd = 1; | |
| 192 | break; | |
| 193 | ||
| 194 | case 0115: /* undefined */ | |
| 195 | case 0116: | |
| 196 | case 0117: | |
| 197 | break; | |
| 198 | ||
| 199 | default: | |
| 200 | if((c & 0340) == 0140) {/* leading */ | |
| 201 | lead = (~c) & 037; | |
| 202 | if(verd) | |
| 203 | lead = -lead; | |
| 204 | if (skipfirst > 0) { | |
| 205 | skipfirst--; | |
| 206 | continue; | |
| 207 | } | |
| 208 | row += lead; | |
| 209 | if (row >= pagelength) | |
| 210 | allflush(); | |
| 211 | continue; | |
| 212 | } | |
| 213 | if((c & 0360)== 0120) { /* size change */ | |
| 214 | col += stupidadj(c & 017, cpsize); | |
| 215 | loadfont(railmag, c & 017); | |
| 216 | continue; | |
| 217 | } | |
| 218 | if(c & 0300) | |
| 219 | continue; | |
| 220 | normal_char: | |
| 221 | c = (c & 077); | |
| 222 | stuffc(c); | |
| 223 | } | |
| 224 | } | |
| 225 | linesflush(); | |
| 226 | putc(0111, out); | |
| 227 | putc(0111, out); | |
| 228 | putc(0111, out); | |
| 229 | putc(0111, out); | |
| 230 | putc(0111, out); | |
| 231 | putc(0111, out); | |
| 232 | putc(0111, out); | |
| 233 | putc(0111, out); | |
| 234 | } | |
| 235 | ||
| 236 | int peekc; | |
| 237 | ||
| 238 | getch() | |
| 239 | { | |
| 240 | register c; | |
| 241 | ||
| 242 | if(peekc) { | |
| 243 | c = peekc; | |
| 244 | peekc = 0; | |
| 245 | return(c); | |
| 246 | } | |
| 247 | return(getc(in)); | |
| 248 | } | |
| 249 | ||
| 250 | ungetc(c) | |
| 251 | { | |
| 252 | peekc = c; | |
| 253 | } | |
| 254 | ||
| 255 | error(s) | |
| 256 | char *s; | |
| 257 | { | |
| 258 | ||
| 259 | fflush(out); | |
| 260 | fprintf(stderr, "vsort: %s\n", s); | |
| 261 | } | |
| 262 | ||
| 263 | crail(nrail) | |
| 264 | int nrail; | |
| 265 | { | |
| 266 | ||
| 267 | railmag = nrail; | |
| 268 | loadfont(nrail, cpsize); | |
| 269 | } | |
| 270 | ||
| 271 | loadfont(fnum, size) | |
| 272 | int fnum; | |
| 273 | int size; | |
| 274 | { | |
| 275 | ||
| 276 | cpsize = size; | |
| 277 | return(0); | |
| 278 | } | |
| 279 | ||
| 280 | stuffc(code) | |
| 281 | register int code; | |
| 282 | { | |
| 283 | register struct achar *ap, **bp; | |
| 284 | ||
| 285 | if (col < 0 || col >= 500*8) | |
| 286 | return; | |
| 287 | if (afreel) { | |
| 288 | ap = afreel; | |
| 289 | afreel = ap->next; | |
| 290 | } else | |
| 291 | ap = (struct achar *)malloc(sizeof (*ap)); | |
| 292 | ap->row = row; | |
| 293 | ap->col = col; | |
| 294 | ap->psize = cpsize; | |
| 295 | ap->verd = verd; | |
| 296 | ap->back = back; | |
| 297 | ap->mcase = mcase; | |
| 298 | ap->code = code; | |
| 299 | ap->railmag = railmag; | |
| 300 | bp = &piles[col / 8]; | |
| 301 | ap->next = *bp; | |
| 302 | *bp = ap; | |
| 303 | } | |
| 304 | ||
| 305 | allflush() | |
| 306 | { | |
| 307 | ||
| 308 | linesflush(); | |
| 309 | if (row > orow) | |
| 310 | ptlead(row - orow); | |
| 311 | row -= pagelength; | |
| 312 | orow = row; | |
| 313 | } | |
| 314 | ||
| 315 | ||
| 316 | linesflush() | |
| 317 | { | |
| 318 | register struct achar **ap, *bp, *cp; | |
| 319 | static notfirst; | |
| 320 | ||
| 321 | if (notfirst) | |
| 322 | putc(0115, out); | |
| 323 | orow = 0; | |
| 324 | ocol = 0; | |
| 325 | notfirst = 1; | |
| 326 | for (ap = &piles[0]; ap < &piles[500]; ap++) { | |
| 327 | for (bp = *ap; bp; bp = cp) { | |
| 328 | sendchar(bp); | |
| 329 | cp = bp->next; | |
| 330 | bp->next = afreel; | |
| 331 | afreel = bp; | |
| 332 | } | |
| 333 | *ap = 0; | |
| 334 | } | |
| 335 | } | |
| 336 | ||
| 337 | sendchar(cp) | |
| 338 | register struct achar *cp; | |
| 339 | { | |
| 340 | register int i; | |
| 341 | ||
| 342 | #ifdef DUMPCHAR | |
| 343 | dumpchar(cp); | |
| 344 | #endif | |
| 345 | if(cp->railmag != orailmag) | |
| 346 | ptrail(cp->railmag); | |
| 347 | if(cp->psize != opsize) | |
| 348 | ptsize(cp->psize); | |
| 349 | if(cp->mcase != omcase) | |
| 350 | ptmcase(); | |
| 351 | if(cp->row != orow) | |
| 352 | ptlead(cp->row - orow); | |
| 353 | if(cp->col != ocol) | |
| 354 | ptesc(cp->col - ocol); | |
| 355 | if(cp->back != oback) | |
| 356 | ptback(); | |
| 357 | putc(cp->code, out); | |
| 358 | orow = cp->row; | |
| 359 | orailmag = cp->railmag; | |
| 360 | opsize = cp->psize; | |
| 361 | omcase = cp->mcase; | |
| 362 | ocol = cp->col; | |
| 363 | oback = cp->back; | |
| 364 | } | |
| 365 | ||
| 366 | ptrail(rlmg) | |
| 367 | register int rlmg; | |
| 368 | { | |
| 369 | ||
| 370 | if((rlmg & 01) != (orailmag & 01)) | |
| 371 | putc((rlmg & 01) ? 0102:0101, out); /* rail */ | |
| 372 | if((rlmg & 02) != (orailmag & 02)) | |
| 373 | putc((rlmg & 02) ? 0103:0104, out); /* mag */ | |
| 374 | } | |
| 375 | ||
| 376 | ptback() | |
| 377 | { | |
| 378 | ||
| 379 | putc(oback ? 0107:0110, out); | |
| 380 | oback = !oback; | |
| 381 | } | |
| 382 | ||
| 383 | ptsize(size) | |
| 384 | register int size; | |
| 385 | { | |
| 386 | ||
| 387 | putc(0120 | (size & 017), out); | |
| 388 | ptesc(-stupidadj(size, opsize)); | |
| 389 | } | |
| 390 | ||
| 391 | stupidadj(code, lcode) | |
| 392 | register int code; | |
| 393 | int lcode; | |
| 394 | { | |
| 395 | register struct point_sizes *psp; | |
| 396 | register struct point_sizes *lpsp; | |
| 397 | ||
| 398 | psp = point_sizes; | |
| 399 | while(psp->real_code != 0) { | |
| 400 | if((psp->stupid_code & 017) == code) | |
| 401 | break; | |
| 402 | psp++; | |
| 403 | } | |
| 404 | lpsp = point_sizes; | |
| 405 | while(lpsp->real_code != 0) { | |
| 406 | if((lpsp->stupid_code & 017) == lcode) | |
| 407 | break; | |
| 408 | lpsp++; | |
| 409 | } | |
| 410 | code = 0; | |
| 411 | if(!(lpsp->stupid_code & 0200) && (psp->stupid_code & 0200)) | |
| 412 | code = -55; | |
| 413 | else | |
| 414 | if((lpsp->stupid_code & 0200) && !(psp->stupid_code & 0200)) | |
| 415 | code = 55; | |
| 416 | return(code); | |
| 417 | } | |
| 418 | ||
| 419 | ptmcase() | |
| 420 | { | |
| 421 | ||
| 422 | putc(omcase ? 0105:0106, out); | |
| 423 | } | |
| 424 | ||
| 425 | ptesc(escc) | |
| 426 | register int escc; | |
| 427 | { | |
| 428 | ||
| 429 | if((escc < 0 && !oback ) || (escc >= 0 && oback)) | |
| 430 | ptback(); | |
| 431 | escc = abs(escc); | |
| 432 | while(escc > 0177) { | |
| 433 | putc(0200, out); | |
| 434 | escc -= 0177; | |
| 435 | } | |
| 436 | if(escc) | |
| 437 | putc(0200 | ((~escc) & 0177), out); | |
| 438 | } | |
| 439 | ||
| 440 | ptlead(leadd) | |
| 441 | register int leadd; | |
| 442 | { | |
| 443 | ||
| 444 | if (leadd == 0) | |
| 445 | return; | |
| 446 | if (leadd < 0) { | |
| 447 | if (overd == 0) | |
| 448 | putc(0114, out), overd = 1; | |
| 449 | leadd = -leadd; | |
| 450 | } else { | |
| 451 | if (overd) | |
| 452 | putc(0112, out), overd = 0; | |
| 453 | } | |
| 454 | if (leadd > 64) { | |
| 455 | putc(0116, out); | |
| 456 | putc(leadd / 64, out); | |
| 457 | leadd %= 64; | |
| 458 | } | |
| 459 | while (leadd > 037) { | |
| 460 | putc(0140, out); | |
| 461 | leadd -= 037; | |
| 462 | } | |
| 463 | if (leadd) | |
| 464 | putc(0140 | ((~leadd) & 037), out); | |
| 465 | } | |
| 466 | ||
| 467 | #ifdef DUMPLINE | |
| 468 | dumpchar(cp) | |
| 469 | register struct achar *cp; | |
| 470 | { | |
| 471 | ||
| 472 | fprintf(stderr, | |
| 473 | "code %o psize %d col %d row %d railmag %d verd %d back %d mcase %d\n", | |
| 474 | cp->code, cp->psize, cp->col, cp->row, cp->railmag, cp->verd, | |
| 475 | cp->back, cp->mcase); | |
| 476 | } | |
| 477 | #endif |