text2post.c (14797B)
1 #include <u.h> 2 #include <libc.h> 3 #include <ctype.h> 4 #include <bio.h> 5 #include <comments.h> 6 #include <path.h> 7 8 #define UNKNOWNCHAR unsharp("#9/postscript/prologues/pjw.char.ps") 9 10 char *optnames = "a:c:f:l:m:n:o:p:s:t:x:y:P:"; 11 12 Biobuf *bstdin, *bstdout, *bstderr; 13 Biobuf *Bstdin, *Bstdout, *Bstderr; 14 int char_no = 0; /* character to be done on a line */ 15 int line_no = 0; /* line number on a page */ 16 int page_no = 0; /* page number in a document */ 17 int in_string; /* Boolean, to know whether or not we are inside a Postscript string */ 18 int spaces = 0; 19 int tabs = 0; 20 int pages_printed; 21 double aspectratio = 1.0; 22 int copies = 1; 23 double magnification = 1.0; 24 int landscape = 0; 25 int formsperpage = 1; 26 int linesperpage = 66; 27 int pointsize = 10; 28 double xoffset = .25; 29 double yoffset = .25; 30 char *passthrough = 0; 31 static int pplistmaxsize=0; 32 33 unsigned char *pplist=0; /* bitmap list for storing pages to print */ 34 35 struct strtab { 36 int size; 37 char *str; 38 int used; 39 }; 40 41 struct strtab charcode[256] = { 42 {4, "\\000"}, {4, "\\001"}, {4, "\\002"}, {4, "\\003"}, 43 {4, "\\004"}, {4, "\\005"}, {4, "\\006"}, {4, "\\007"}, 44 {4, "\\010"}, {4, "\\011"}, {4, "\\012"}, {4, "\\013"}, 45 {4, "\\014"}, {4, "\\015"}, {4, "\\016"}, {4, "\\017"}, 46 {4, "\\020"}, {4, "\\021"}, {4, "\\022"}, {4, "\\023"}, 47 {4, "\\024"}, {4, "\\025"}, {4, "\\026"}, {4, "\\027"}, 48 {4, "\\030"}, {4, "\\031"}, {4, "\\032"}, {4, "\\033"}, 49 {4, "\\034"}, {4, "\\035"}, {4, "\\036"}, {4, "\\037"}, 50 {1, " "}, {1, "!"}, {1, "\""}, {1, "#"}, 51 {1, "$"}, {1, "%"}, {1, "&"}, {1, "'"}, 52 {2, "\\("}, {2, "\\)"}, {1, "*"}, {1, "+"}, 53 {1, ","}, {1, "-"}, {1, "."}, {1, "/"}, 54 {1, "0"}, {1, "1"}, {1, "2"}, {1, "3"}, 55 {1, "4"}, {1, "5"}, {1, "6"}, {1, "7"}, 56 {1, "8"}, {1, "9"}, {1, ":"}, {1, ";"}, 57 {1, "<"}, {1, "="}, {1, ">"}, {1, "?"}, 58 {1, "@"}, {1, "A"}, {1, "B"}, {1, "C"}, 59 {1, "D"}, {1, "E"}, {1, "F"}, {1, "G"}, 60 {1, "H"}, {1, "I"}, {1, "J"}, {1, "K"}, 61 {1, "L"}, {1, "M"}, {1, "N"}, {1, "O"}, 62 {1, "P"}, {1, "Q"}, {1, "R"}, {1, "S"}, 63 {1, "T"}, {1, "U"}, {1, "V"}, {1, "W"}, 64 {1, "X"}, {1, "Y"}, {1, "Z"}, {1, "["}, 65 {2, "\\\\"}, {1, "]"}, {1, "^"}, {1, "_"}, 66 {1, "`"}, {1, "a"}, {1, "b"}, {1, "c"}, 67 {1, "d"}, {1, "e"}, {1, "f"}, {1, "g"}, 68 {1, "h"}, {1, "i"}, {1, "j"}, {1, "k"}, 69 {1, "l"}, {1, "m"}, {1, "n"}, {1, "o"}, 70 {1, "p"}, {1, "q"}, {1, "r"}, {1, "s"}, 71 {1, "t"}, {1, "u"}, {1, "v"}, {1, "w"}, 72 {1, "x"}, {1, "y"}, {1, "z"}, {1, "{"}, 73 {1, "|"}, {1, "}"}, {1, "~"}, {4, "\\177"}, 74 {4, "\\200"}, {4, "\\201"}, {4, "\\202"}, {4, "\\203"}, 75 {4, "\\204"}, {4, "\\205"}, {4, "\\206"}, {4, "\\207"}, 76 {4, "\\210"}, {4, "\\211"}, {4, "\\212"}, {4, "\\213"}, 77 {4, "\\214"}, {4, "\\215"}, {4, "\\216"}, {4, "\\217"}, 78 {4, "\\220"}, {4, "\\221"}, {4, "\\222"}, {4, "\\223"}, 79 {4, "\\224"}, {4, "\\225"}, {4, "\\226"}, {4, "\\227"}, 80 {4, "\\230"}, {4, "\\231"}, {4, "\\232"}, {4, "\\233"}, 81 {4, "\\234"}, {4, "\\235"}, {4, "\\236"}, {4, "\\237"}, 82 {4, "\\240"}, {4, "\\241"}, {4, "\\242"}, {4, "\\243"}, 83 {4, "\\244"}, {4, "\\245"}, {4, "\\246"}, {4, "\\247"}, 84 {4, "\\250"}, {4, "\\251"}, {4, "\\252"}, {4, "\\253"}, 85 {4, "\\254"}, {4, "\\255"}, {4, "\\256"}, {4, "\\257"}, 86 {4, "\\260"}, {4, "\\261"}, {4, "\\262"}, {4, "\\263"}, 87 {4, "\\264"}, {4, "\\265"}, {4, "\\266"}, {4, "\\267"}, 88 {4, "\\270"}, {4, "\\271"}, {4, "\\272"}, {4, "\\273"}, 89 {4, "\\274"}, {4, "\\275"}, {4, "\\276"}, {4, "\\277"}, 90 {4, "\\300"}, {4, "\\301"}, {4, "\\302"}, {4, "\\303"}, 91 {4, "\\304"}, {4, "\\305"}, {4, "\\306"}, {4, "\\307"}, 92 {4, "\\310"}, {4, "\\311"}, {4, "\\312"}, {4, "\\313"}, 93 {4, "\\314"}, {4, "\\315"}, {4, "\\316"}, {4, "\\317"}, 94 {4, "\\320"}, {4, "\\321"}, {4, "\\322"}, {4, "\\323"}, 95 {4, "\\324"}, {4, "\\325"}, {4, "\\326"}, {4, "\\327"}, 96 {4, "\\330"}, {4, "\\331"}, {4, "\\332"}, {4, "\\333"}, 97 {4, "\\334"}, {4, "\\335"}, {4, "\\336"}, {4, "\\337"}, 98 {4, "\\340"}, {4, "\\341"}, {4, "\\342"}, {4, "\\343"}, 99 {4, "\\344"}, {4, "\\345"}, {4, "\\346"}, {4, "\\347"}, 100 {4, "\\350"}, {4, "\\351"}, {4, "\\352"}, {4, "\\353"}, 101 {4, "\\354"}, {4, "\\355"}, {4, "\\356"}, {4, "\\357"}, 102 {4, "\\360"}, {4, "\\361"}, {4, "\\362"}, {4, "\\363"}, 103 {4, "\\364"}, {4, "\\365"}, {4, "\\366"}, {4, "\\367"}, 104 {4, "\\370"}, {4, "\\371"}, {4, "\\372"}, {4, "\\373"}, 105 {4, "\\374"}, {4, "\\375"}, {4, "\\376"}, {4, "\\377"} 106 }; 107 108 #define FONTABSIZE 0x2D 109 struct strtab fontname[FONTABSIZE] = { 110 {12, "DejaVuSans00", 0}, 111 {12, "DejaVuSans01", 0}, 112 {12, "DejaVuSans02", 0}, 113 {12, "DejaVuSans03", 0}, 114 {12, "DejaVuSans04", 0}, 115 {12, "DejaVuSans05", 0}, 116 {0, "", 0}, 117 {0, "", 0}, 118 {0, "", 0}, 119 {0, "", 0}, 120 {0, "", 0}, 121 {0, "", 0}, 122 {0, "", 0}, 123 {0, "", 0}, 124 {0, "", 0}, 125 {0, "", 0}, 126 {0, "", 0}, 127 {0, "", 0}, 128 {0, "", 0}, 129 {0, "", 0}, 130 {0, "", 0}, 131 {0, "", 0}, 132 {0, "", 0}, 133 {0, "", 0}, 134 {0, "", 0}, 135 {0, "", 0}, 136 {0, "", 0}, 137 {0, "", 0}, 138 {0, "", 0}, 139 {12, "DejaVuSans1D", 0}, 140 {12, "DejaVuSans1E", 0}, 141 {12, "DejaVuSans1F", 0}, 142 {12, "DejaVuSans20", 0}, 143 {12, "DejaVuSans21", 0}, 144 {12, "DejaVuSans22", 0}, 145 {12, "DejaVuSans23", 0}, 146 {12, "DejaVuSans24", 0}, 147 {12, "DejaVuSans25", 0}, 148 {12, "DejaVuSans26", 0}, 149 {12, "DejaVuSans27", 0}, 150 {12, "DejaVuSans28", 0}, 151 {12, "DejaVuSans29", 0}, 152 {12, "DejaVuSans2A", 0}, 153 {12, "DejaVuSans2B", 0}, 154 {7, "Courier", 0} 155 }; 156 157 /* 158 #define FONTABSIZE 0x24 159 struct strtab fontname[FONTABSIZE] = { 160 {10, "LuxiSans00", 0}, 161 {10, "LuxiSans01", 0}, 162 {10, "LuxiSans02", 0}, 163 {10, "LuxiSans03", 0}, 164 {0, "", 0}, 165 {0, "", 0}, 166 {0, "", 0}, 167 {0, "", 0}, 168 {0, "", 0}, 169 {0, "", 0}, 170 {0, "", 0}, 171 {0, "", 0}, 172 {0, "", 0}, 173 {0, "", 0}, 174 {0, "", 0}, 175 {0, "", 0}, 176 {0, "", 0}, 177 {0, "", 0}, 178 {0, "", 0}, 179 {0, "", 0}, 180 {0, "", 0}, 181 {0, "", 0}, 182 {0, "", 0}, 183 {0, "", 0}, 184 {0, "", 0}, 185 {0, "", 0}, 186 {0, "", 0}, 187 {0, "", 0}, 188 {0, "", 0}, 189 {0, "", 0}, 190 {0, "", 0}, 191 {0, "", 0}, 192 {10, "LuxiSans20", 0}, 193 {10, "LuxiSans21", 0}, 194 {10, "LuxiSans22", 0}, 195 {7, "Courier", 0} 196 }; 197 */ 198 199 /* This was taken from postprint */ 200 201 int 202 cat(char *filename) { 203 Biobuf *bfile, *Bfile; 204 int n; 205 static char buf[Bsize]; 206 207 filename = unsharp(filename); 208 bstdin = Bopen(filename, 0); 209 if (bstdin == 0) { 210 return(1); 211 } 212 Bstdin = bstdin; 213 if ((bfile = Bopen(filename, OREAD)) == 0) { 214 return(1); 215 } 216 Bfile = bfile; 217 while ((n=Bread(Bfile, buf, Bsize)) > 0) { 218 if (Bwrite(Bstdout, buf, n) != n) { 219 return(1); 220 } 221 } 222 if (n != 0) { 223 return(1); 224 } 225 return(0); 226 } 227 228 void 229 prologues(void) { 230 char *ts; 231 int tabstop; 232 233 Bprint(Bstdout, "%s", CONFORMING); 234 Bprint(Bstdout, "%s %s\n", VERSION, PROGRAMVERSION); 235 Bprint(Bstdout, "%s %s\n", DOCUMENTFONTS, ATEND); 236 Bprint(Bstdout, "%s %s\n", PAGES, ATEND); 237 Bprint(Bstdout, "%s", ENDCOMMENTS); 238 239 if (cat(POSTPRINT)) { 240 Bprint(Bstderr, "can't read %s", POSTPRINT); 241 exits("prologue"); 242 } 243 244 if (DOROUND) 245 cat(ROUNDPAGE); 246 247 tabstop = 0; 248 ts = getenv("tabstop"); 249 if(ts != nil) 250 tabstop = strtol(ts, nil, 0); 251 if(tabstop == 0) 252 tabstop = 8; 253 Bprint(Bstdout, "/f {findfont pointsize scalefont setfont} bind def\n"); 254 Bprint(Bstdout, "/tabwidth /Courier f ("); 255 while(tabstop--) 256 Bputc(Bstdout, 'n'); 257 Bprint(Bstdout, ") stringwidth pop def\n"); 258 Bprint(Bstdout, "/tab {tabwidth 0 ne {currentpoint 3 1 roll exch tabwidth mul add tabwidth\n"); 259 Bprint(Bstdout, "\tdiv truncate tabwidth mul exch moveto} if} bind def\n"); 260 Bprint(Bstdout, "/spacewidth /%s f ( ) stringwidth pop def\n", fontname[0].str); 261 Bprint(Bstdout, "/sp {spacewidth mul 0 rmoveto} bind def\n"); 262 Bprint(Bstdout, "%s", ENDPROLOG); 263 Bprint(Bstdout, "%s", BEGINSETUP); 264 Bprint(Bstdout, "mark\n"); 265 266 if (formsperpage > 1) { 267 Bprint(Bstdout, "%s %d\n", FORMSPERPAGE, formsperpage); 268 Bprint(Bstdout, "/formsperpage %d def\n", formsperpage); 269 } 270 if (aspectratio != 1) Bprint(Bstdout, "/aspectratio %g def\n", aspectratio); 271 if (copies != 1) Bprint(Bstdout, "/#copies %d store\n", copies); 272 if (landscape) Bprint(Bstdout, "/landscape true def\n"); 273 if (magnification != 1) Bprint(Bstdout, "/magnification %s def\n", magnification); 274 if (pointsize != 10) Bprint(Bstdout, "/pointsize %d def\n", pointsize); 275 if (xoffset != .25) Bprint(Bstdout, "/xoffset %g def\n", xoffset); 276 if (yoffset != .25) Bprint(Bstdout, "/yoffset %g def\n", yoffset); 277 cat(unsharp("#9/postscript/prologues/Latin1.enc")); 278 if (passthrough != 0) Bprint(Bstdout, "%s\n", passthrough); 279 Bprint(Bstdout, "setup\n"); 280 if (formsperpage > 1) { 281 cat(FORMFILE); 282 Bprint(Bstdout, "%d setupforms \n", formsperpage); 283 } 284 if (cat(UNKNOWNCHAR)) 285 Bprint(Bstderr, "cannot open %s\n", UNKNOWNCHAR); 286 Bprint(Bstdout, "%s", ENDSETUP); 287 } 288 289 int 290 pageon(void) { 291 if (pplist == 0 && page_no != 0) return(1); /* no page list, print all pages */ 292 if (page_no/8 < pplistmaxsize && (pplist[page_no/8] & 1<<(page_no%8))) 293 return(1); 294 else 295 return(0); 296 } 297 298 void 299 startpage(void) { 300 ++char_no; 301 ++line_no; 302 ++page_no; 303 if (pageon()) { 304 ++pages_printed; 305 Bprint(Bstdout, "%s %d %d\n", PAGE, page_no, pages_printed); 306 Bprint(Bstdout, "/saveobj save def\n"); 307 Bprint(Bstdout, "mark\n"); 308 Bprint(Bstdout, "%d pagesetup\n", pages_printed); 309 } 310 } 311 312 void 313 endpage(void) { 314 line_no = 0; 315 char_no = 0; 316 if (pageon()) { 317 Bprint(Bstdout, "cleartomark\n"); 318 Bprint(Bstdout, "showpage\n"); 319 Bprint(Bstdout, "saveobj restore\n"); 320 Bprint(Bstdout, "%s %d %d\n", ENDPAGE, page_no, pages_printed); 321 } 322 } 323 324 void 325 startstring(void) { 326 if (!in_string) { 327 if (pageon()) Bprint(Bstdout, "("); 328 in_string = 1; 329 } 330 } 331 332 void 333 endstring(void) { 334 if (in_string) { 335 if (pageon()) Bprint(Bstdout, ") show "); 336 in_string = 0; 337 } 338 } 339 340 void 341 prspace(void) { 342 if (spaces) { 343 endstring(); 344 if (pageon()) Bprint(Bstdout, "%d sp ", spaces); 345 spaces = 0; 346 } 347 } 348 349 void 350 prtab(void) { 351 if (tabs) { 352 endstring(); 353 if (pageon()) Bprint(Bstdout, "%d tab ", tabs); 354 tabs = 0; 355 } 356 } 357 358 void 359 txt2post(void) { 360 int lastfont = -1; 361 int lastchar = -1; 362 int thisfont, thischar; 363 long r; 364 365 in_string = 0; 366 char_no = 0; 367 line_no = 0; 368 page_no = 0; 369 spaces = 0; 370 fontname[0].used++; 371 while ((r=Bgetrune(Bstdin)) >= 0) { 372 thischar = r & 0xff; 373 thisfont = (r>>8) & 0xff; 374 375 if (line_no == 0 && char_no == 0) 376 startpage(); 377 378 if (line_no == 1 && char_no == 1) { 379 if (pageon()) Bprint(Bstdout, " /%s f\n", fontname[thisfont].str); 380 lastfont = thisfont; 381 } 382 383 switch (r) { 384 case ' ': 385 prtab(); 386 if (lastfont > 0) { 387 spaces++; 388 continue; 389 } 390 break; 391 case '\n': 392 case '\f': 393 startstring(); 394 if (pageon()) Bprint(Bstdout, ")l\n"); 395 char_no = 1; 396 in_string = 0; 397 spaces = 0; 398 tabs = 0; 399 if (++line_no > linesperpage || r == '\f') { 400 endpage(); 401 } 402 lastchar = -1; 403 continue; 404 case '\t': 405 prspace(); 406 tabs++; 407 char_no++; 408 lastchar = -1; 409 continue; 410 case '\b': 411 /* just toss out backspaces for now */ 412 if (lastchar != -1) { 413 endstring(); 414 if (pageon()) Bprint(Bstdout, "(%s) stringwidth pop neg 0 rmoveto ", charcode[lastchar].str); 415 } 416 char_no++; 417 lastchar = -1; 418 continue; 419 } 420 421 /* do something if font is out of table range */ 422 if (thisfont>=FONTABSIZE || fontname[thisfont].size == 0) { 423 prspace(); 424 prtab(); 425 endstring(); 426 Bprint(Bstdout, "pw "); 427 char_no++; 428 lastchar = -1; 429 continue; 430 } 431 432 if (thisfont != lastfont) { 433 endstring(); 434 if (pageon()) { 435 Bprint(Bstdout, "/%s f\n", fontname[thisfont].str); 436 } 437 fontname[thisfont].used++; 438 } 439 prspace(); 440 prtab(); 441 startstring(); 442 if (pageon()) Bprint(Bstdout, "%s", charcode[thischar].str); 443 /* if (pageon()) Bprint(Bstdout, "%2.2x", thischar); /* try hex strings*/ 444 char_no++; 445 lastchar = thischar; 446 lastfont = thisfont; 447 } 448 if (line_no != 0 || char_no != 0) { 449 if (char_no != 1) { 450 Bprint(Bstderr, "premature EOF: newline appended\n"); 451 startstring(); 452 if (pageon()) Bprint(Bstdout, ")l\n"); 453 } 454 endpage(); 455 } 456 } 457 458 void 459 pagelist(char *list) { 460 char c; 461 int n, m; 462 int state, start; 463 464 if (list == 0) return; 465 state = 1; 466 start = 0; 467 while ((c=*list) != '\0') { 468 n = 0; 469 while (isdigit(c)) { 470 n = n * 10 + c - '0'; 471 c = *++list; 472 } 473 switch (state) { 474 case 1: 475 start = n; 476 case 2: 477 if (n/8+1 > pplistmaxsize) { 478 pplistmaxsize = n/8+1; 479 if ((pplist = realloc(pplist, n/8+1)) == 0) { 480 Bprint(Bstderr, "cannot allocate memory for page list\n"); 481 exits("malloc"); 482 } 483 } 484 for (m=start; m<=n; m++) 485 pplist[m/8] |= 1<<(m%8); 486 break; 487 } 488 switch (c) { 489 case '-': 490 state = 2; 491 list++; 492 break; 493 case ',': 494 state = 1; 495 list++; 496 break; 497 case '\0': 498 break; 499 } 500 } 501 } 502 503 void 504 finish(void) { 505 int i; 506 507 Bprint(Bstdout, "%s", TRAILER); 508 Bprint(Bstdout, "done\n"); 509 Bprint(Bstdout, "%s", DOCUMENTFONTS); 510 511 for (i=0; i<FONTABSIZE; i++) 512 if (fontname[i].used) 513 Bprint(Bstdout, " %s", fontname[i].str); 514 Bprint(Bstdout, "\n"); 515 516 Bprint(Bstdout, "%s %d\n", PAGES, pages_printed); 517 518 } 519 520 int 521 main(int argc, char *argv[]) { 522 int i; 523 char *t; 524 525 if ((bstderr = (Biobuf *)malloc(sizeof(Biobuf))) < (Biobuf *)0) 526 exits("malloc"); 527 if (Binit(bstderr, 2, OWRITE) == Beof) 528 exits("Binit"); 529 Bstderr = bstderr; 530 531 if ((bstdout = (Biobuf *)malloc(sizeof(Biobuf))) < (Biobuf *)0) 532 exits("malloc"); 533 if (Binit(bstdout, 1, OWRITE) == Beof) 534 exits("Binit"); 535 Bstdout = bstdout; 536 537 ARGBEGIN{ 538 case 'a': /* aspect ratio */ 539 aspectratio = atof(ARGF()); 540 break; 541 case 'c': /* copies */ 542 copies = atoi(ARGF()); 543 break; 544 case 'f': /* primary font, for now */ 545 t = ARGF(); 546 fontname[0].str = malloc(strlen(t)+1); 547 strcpy(fontname[0].str, t); 548 break; 549 case 'l': /* lines per page */ 550 linesperpage = atoi(ARGF()); 551 break; 552 case 'm': /* magnification */ 553 magnification = atof(ARGF()); 554 break; 555 case 'n': /* forms per page */ 556 formsperpage = atoi(ARGF()); 557 break; 558 case 'o': /* output page list */ 559 pagelist(ARGF()); 560 break; 561 case 'p': /* landscape or portrait mode */ 562 if ( ARGF()[0] == 'l' ) 563 landscape = 1; 564 else 565 landscape = 0; 566 break; 567 case 's': /* point size */ 568 pointsize = atoi(ARGF()); 569 break; 570 case 'x': /* shift things horizontally */ 571 xoffset = atof(ARGF()); 572 break; 573 574 case 'y': /* and vertically on the page */ 575 yoffset = atof(ARGF()); 576 break; 577 case 'P': /* PostScript pass through */ 578 t = ARGF(); 579 i = strlen(t) + 1; 580 passthrough = malloc(i); 581 if (passthrough == 0) { 582 Bprint(Bstderr, "cannot allocate memory for argument string\n"); 583 exits("malloc"); 584 } 585 strncpy(passthrough, t, i); 586 break; 587 default: /* don't know what to do for ch */ 588 Bprint(Bstderr, "unknown option %C\n", ARGC()); 589 break; 590 }ARGEND; 591 prologues(); 592 if (argc <= 0) { 593 if ((bstdin = (Biobuf *)malloc(sizeof(Biobuf))) < (Biobuf *)0) 594 exits("malloc"); 595 if (Binit(bstdin, 0, OREAD) == Beof) { 596 fprint(2, "cannot Binit stdin\n"); 597 exits("Binit"); 598 } 599 Bstdin = bstdin; 600 txt2post(); 601 } 602 for (i=0; i<argc; i++) { 603 bstdin = Bopen(argv[i], 0); 604 if (bstdin == 0) { 605 fprint(2, "cannot open file %s\n", argv[i]); 606 continue; 607 } 608 Bstdin = bstdin; 609 txt2post(); 610 } 611 finish(); 612 exits(""); 613 return 0; 614 }