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 0x27
109 
110 struct strtab fontname[FONTABSIZE] = {
111 	{19, "LucidaSansUnicode00", 0},
112 	{19, "LucidaSansUnicode01", 0},
113 	{19, "LucidaSansUnicode02", 0},
114 	{19, "LucidaSansUnicode03", 0},
115 	{19, "LucidaSansUnicode04", 0},
116 	{19, "LucidaSansUnicode05", 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 	{0, "", 0},
140 	{0, "", 0},
141 	{0, "", 0},
142 	{0, "", 0},
143 	{19, "LucidaSansUnicode20", 0},
144 	{19, "LucidaSansUnicode21", 0},
145 	{19, "LucidaSansUnicode22", 0},
146 	{0, "", 0},
147 	{19, "LucidaSansUnicode24", 0},
148 	{19, "LucidaSansUnicode25", 0},
149 	{7, "Courier", 0}
150 };
151 
152 /* This was taken from postprint */
153 
154 int
155 cat(char *filename) {
156 	Biobuf *bfile, *Bfile;
157 	int n;
158 	static char buf[Bsize];
159 
160 	bstdin = Bopen(filename, 0);
161 	if (bstdin == 0) {
162 		return(1);
163 	}
164 	Bstdin = bstdin;
165 	if ((bfile = Bopen(filename, OREAD)) == 0) {
166 		return(1);
167 	}
168 	Bfile = bfile;
169 	while ((n=Bread(Bfile, buf, Bsize)) > 0) {
170 		if (Bwrite(Bstdout, buf, n) != n) {
171 			return(1);
172 		}
173 	}
174 	if (n != 0) {
175 		return(1);
176 	}
177 	return(0);
178 }
179 
180 void
181 prologues(void) {
182 	char *ts;
183 	int tabstop;
184 
185 	Bprint(Bstdout, "%s", CONFORMING);
186 	Bprint(Bstdout, "%s %s\n", VERSION, PROGRAMVERSION);
187 	Bprint(Bstdout, "%s %s\n", DOCUMENTFONTS, ATEND);
188 	Bprint(Bstdout, "%s %s\n", PAGES, ATEND);
189 	Bprint(Bstdout, "%s", ENDCOMMENTS);
190 
191 	if (cat(POSTPRINT)) {
192 		Bprint(Bstderr, "can't read %s", POSTPRINT);
193 		exits("prologue");
194 	}
195 
196 	if (DOROUND)
197 		cat(ROUNDPAGE);
198 
199 	tabstop = 0;
200 	ts = getenv("tabstop");
201 	if(ts != nil)
202 		tabstop = strtol(ts, nil, 0);
203 	if(tabstop == 0)
204 		tabstop = 8;
205 	Bprint(Bstdout, "/f {findfont pointsize scalefont setfont} bind def\n");
206 	Bprint(Bstdout, "/tabwidth /Courier f (");
207 	while(tabstop--)
208 		Bputc(Bstdout, 'n');
209 	Bprint(Bstdout, ") stringwidth pop def\n");
210 	Bprint(Bstdout, "/tab {tabwidth 0 ne {currentpoint 3 1 roll exch tabwidth mul add tabwidth\n");
211 	Bprint(Bstdout, "\tdiv truncate tabwidth mul exch moveto} if} bind def\n");
212 	Bprint(Bstdout, "/spacewidth /%s f ( ) stringwidth pop def\n", fontname[0].str);
213 	Bprint(Bstdout, "/sp {spacewidth mul 0 rmoveto} bind def\n");
214 	Bprint(Bstdout, "%s", ENDPROLOG);
215 	Bprint(Bstdout, "%s", BEGINSETUP);
216 	Bprint(Bstdout, "mark\n");
217 
218 	if (formsperpage > 1) {
219 		Bprint(Bstdout, "%s %d\n", FORMSPERPAGE, formsperpage);
220 		Bprint(Bstdout, "/formsperpage %d def\n", formsperpage);
221 	}
222 	if (aspectratio != 1) Bprint(Bstdout, "/aspectratio %g def\n", aspectratio);
223 	if (copies != 1) Bprint(Bstdout, "/#copies %d store\n", copies);
224 	if (landscape) Bprint(Bstdout, "/landscape true def\n");
225 	if (magnification != 1) Bprint(Bstdout, "/magnification %s def\n", magnification);
226 	if (pointsize != 10) Bprint(Bstdout, "/pointsize %d def\n", pointsize);
227 	if (xoffset != .25) Bprint(Bstdout, "/xoffset %g def\n", xoffset);
228 	if (yoffset != .25) Bprint(Bstdout, "/yoffset %g def\n", yoffset);
229 	cat(unsharp("#9/postscript/prologues/Latin1.enc"));
230 	if (passthrough != 0) Bprint(Bstdout, "%s\n", passthrough);
231 	Bprint(Bstdout, "setup\n");
232 	if (formsperpage > 1) {
233 		cat(FORMFILE);
234 		Bprint(Bstdout, "%d setupforms \n", formsperpage);
235 	}
236 	if (cat(UNKNOWNCHAR))
237 		Bprint(Bstderr, "cannot open %s\n", UNKNOWNCHAR);
238 	Bprint(Bstdout, "%s", ENDSETUP);
239 }
240 
241 int
242 pageon(void) {
243 	if (pplist == 0 && page_no != 0) return(1);	/* no page list, print all pages */
244 	if (page_no/8 < pplistmaxsize && (pplist[page_no/8] & 1<<(page_no%8)))
245 		return(1);
246 	else
247 		return(0);
248 }
249 
250 void
251 startpage(void) {
252 	++char_no;
253 	++line_no;
254 	++page_no;
255 	if (pageon()) {
256 		++pages_printed;
257 		Bprint(Bstdout, "%s %d %d\n", PAGE, page_no, pages_printed);
258 		Bprint(Bstdout, "/saveobj save def\n");
259 		Bprint(Bstdout, "mark\n");
260 		Bprint(Bstdout, "%d pagesetup\n", pages_printed);
261 	}
262 }
263 
264 void
265 endpage(void) {
266 	line_no = 0;
267 	char_no = 0;
268 	if (pageon()) {
269 		Bprint(Bstdout, "cleartomark\n");
270 		Bprint(Bstdout, "showpage\n");
271 		Bprint(Bstdout, "saveobj restore\n");
272 		Bprint(Bstdout, "%s %d %d\n", ENDPAGE, page_no, pages_printed);
273 	}
274 }
275 
276 void
277 startstring(void) {
278 	if (!in_string) {
279 		if (pageon()) Bprint(Bstdout, "(");
280 		in_string = 1;
281 	}
282 }
283 
284 void
285 endstring(void) {
286 	if (in_string) {
287 		if (pageon()) Bprint(Bstdout, ") show ");
288 		in_string = 0;
289 	}
290 }
291 
292 void
293 prspace(void) {
294 	if (spaces) {
295 		endstring();
296 		if (pageon()) Bprint(Bstdout, "%d sp ", spaces);
297 		spaces = 0;
298 	}
299 }
300 
301 void
302 prtab(void) {
303 	if (tabs) {
304 		endstring();
305 		if (pageon()) Bprint(Bstdout, "%d tab ", tabs);
306 		tabs = 0;
307 	}
308 }
309 
310 void
311 txt2post(void) {
312 	int lastfont = -1;
313 	int lastchar = -1;
314 	int thisfont, thischar;
315 	long r;
316 
317 	in_string = 0;
318 	char_no = 0;
319 	line_no = 0;
320 	page_no = 0;
321 	spaces = 0;
322 	fontname[0].used++;
323 	while ((r=Bgetrune(Bstdin)) >= 0) {
324 		thischar = r & 0xff;
325 		thisfont = (r>>8) & 0xff;
326 
327 		if (line_no == 0 && char_no == 0)
328 			startpage();
329 
330 		if (line_no == 1 && char_no == 1) {
331 			if (pageon()) Bprint(Bstdout, " /%s f\n", fontname[thisfont].str);
332 			lastfont = thisfont;
333 		}
334 
335 		switch (r) {
336 		case ' ':
337 			prtab();
338 			if (lastfont > 0) {
339 				spaces++;
340 				continue;
341 			}
342 			break;
343 		case '\n':
344 		case '\f':
345 			startstring();
346 			if (pageon()) Bprint(Bstdout, ")l\n");
347 			char_no = 1;
348 			in_string = 0;
349 			spaces = 0;
350 			tabs = 0;
351 			if (++line_no > linesperpage || r == '\f') {
352 				endpage();
353 			}
354 			lastchar = -1;
355 			continue;
356 		case '\t':
357 			prspace();
358 			tabs++;
359 			char_no++;
360 			lastchar = -1;
361 			continue;
362 		case '\b':
363 			/* just toss out backspaces for now */
364 			if (lastchar != -1) {
365 				endstring();
366 				if (pageon()) Bprint(Bstdout, "(%s) stringwidth pop neg 0 rmoveto ", charcode[lastchar].str);
367 			}
368 			char_no++;
369 			lastchar = -1;
370 			continue;
371 		}
372 
373 		/* do something if font is out of table range */
374 		if (thisfont>=FONTABSIZE || fontname[thisfont].size == 0) {
375 			prspace();
376 			prtab();
377 			endstring();
378 			Bprint(Bstdout, "pw ");
379 			char_no++;
380 			lastchar = -1;
381 			continue;
382 		}
383 
384 		if (thisfont != lastfont) {
385 			endstring();
386 			if (pageon()) {
387 				Bprint(Bstdout, "/%s f\n", fontname[thisfont].str);
388 			}
389 			fontname[thisfont].used++;
390 		}
391 		prspace();
392 		prtab();
393 		startstring();
394 		if (pageon()) Bprint(Bstdout, "%s", charcode[thischar].str);
395 /*		if (pageon()) Bprint(Bstdout, "%2.2x", thischar);	/* try hex strings*/
396 		char_no++;
397 		lastchar = thischar;
398 		lastfont = thisfont;
399 	}
400 	if (line_no != 0 || char_no != 0) {
401 		if (char_no != 1) {
402 			Bprint(Bstderr, "premature EOF: newline appended\n");
403 			startstring();
404 			if (pageon()) Bprint(Bstdout, ")l\n");
405 		}
406 		endpage();
407 	}
408 }
409 
410 void
411 pagelist(char *list) {
412 	char c;
413 	int n, m;
414 	int state, start, end;
415 
416 	if (list == 0) return;
417 	state = 1;
418 	while ((c=*list) != '\0') {
419 		n = 0;
420 		while (isdigit(c)) {
421 			n = n * 10 + c - '0';
422 			c = *++list;
423 		}
424 		switch (state) {
425 		case 1:
426 			start = n;
427 		case 2:
428 			if (n/8+1 > pplistmaxsize) {
429 				pplistmaxsize = n/8+1;
430 				if ((pplist = realloc(pplist, n/8+1)) == 0) {
431 					Bprint(Bstderr, "cannot allocate memory for page list\n");
432 					exits("malloc");
433 				}
434 			}
435 			for (m=start; m<=n; m++)
436 				pplist[m/8] |= 1<<(m%8);
437 			break;
438 		}
439 		switch (c) {
440 		case '-':
441 			state = 2;
442 			list++;
443 			break;
444 		case ',':
445 			state = 1;
446 			list++;
447 			break;
448 		case '\0':
449 			break;
450 		}
451 	}
452 }
453 
454 void
455 finish(void) {
456 	int i;
457 
458 	Bprint(Bstdout, "%s", TRAILER);
459 	Bprint(Bstdout, "done\n");
460 	Bprint(Bstdout, "%s", DOCUMENTFONTS);
461 
462 	for (i=0; i<FONTABSIZE; i++)
463 		if (fontname[i].used)
464 			Bprint(Bstdout, " %s", fontname[i].str);
465 	Bprint(Bstdout, "\n");
466 
467 	Bprint(Bstdout, "%s %d\n", PAGES, pages_printed);
468 
469 }
470 
471 main(int argc, char *argv[]) {
472 	int i;
473 	char *t;
474 	Biobuf *input;
475 
476 	if ((bstderr = (Biobuf *)malloc(sizeof(Biobuf))) < (Biobuf *)0)
477 		exits("malloc");
478 	if (Binit(bstderr, 2, OWRITE) == Beof)
479 		exits("Binit");
480 	Bstderr = bstderr;
481 
482 	if ((bstdout = (Biobuf *)malloc(sizeof(Biobuf))) < (Biobuf *)0)
483 		exits("malloc");
484 	if (Binit(bstdout, 1, OWRITE) == Beof)
485 		exits("Binit");
486 	Bstdout = bstdout;
487 
488 	ARGBEGIN{
489 		case 'a':			/* aspect ratio */
490 			aspectratio = atof(ARGF());
491 			break;
492 		case 'c':			/* copies */
493 			copies = atoi(ARGF());
494 			break;
495 		case 'f':			/* primary font, for now */
496 			t = ARGF();
497 			fontname[0].str = malloc(strlen(t)+1);
498 			strcpy(fontname[0].str, t);
499 			break;
500 		case 'l':			/* lines per page */
501 			linesperpage = atoi(ARGF());
502 			break;
503 		case 'm':			/* magnification */
504 			magnification = atof(ARGF());
505 			break;
506 		case 'n':			/* forms per page */
507 			formsperpage = atoi(ARGF());
508 			break;
509 		case 'o':			/* output page list */
510 			pagelist(ARGF());
511 			break;
512 		case 'p':			/* landscape or portrait mode */
513 			if ( ARGF()[0] == 'l' )
514 				landscape = 1;
515 			else
516 				landscape = 0;
517 			break;
518 		case 's':			/* point size */
519 			pointsize = atoi(ARGF());
520 			break;
521 		case 'x':			/* shift things horizontally */
522 			xoffset = atof(ARGF());
523 			break;
524 
525 		case 'y':			/* and vertically on the page */
526 			yoffset = atof(ARGF());
527 			break;
528 		case 'P':			/* PostScript pass through */
529 			t = ARGF();
530 			i = strlen(t) + 1;
531 			passthrough = malloc(i);
532 			if (passthrough == 0) {
533 				Bprint(Bstderr, "cannot allocate memory for argument string\n");
534 				exits("malloc");
535 			}
536 			strncpy(passthrough, t, i);
537 			break;
538 		default:			/* don't know what to do for ch */
539 			Bprint(Bstderr, "unknown option %C\n", ARGC());
540 			break;
541 	}ARGEND;
542 	prologues();
543 	if (argc <= 0) {
544 		if ((bstdin = (Biobuf *)malloc(sizeof(Biobuf))) < (Biobuf *)0)
545 			exits("malloc");
546 		if (Binit(bstdin, 0, OREAD) == Beof) {
547 			fprint(2, "cannot Binit stdin\n");
548 			exits("Binit");
549 		}
550 		Bstdin = bstdin;
551 		txt2post();
552 	}
553 	for (i=0; i<argc; i++) {
554 		bstdin = Bopen(argv[i], 0);
555 		if (bstdin == 0) {
556 			fprint(2, "cannot open file %s\n", argv[i]);
557 			continue;
558 		}
559 		Bstdin = bstdin;
560 		txt2post();
561 	}
562 	finish();
563 	exits("");
564 }