Commit | Line | Data |
---|---|---|
476fcd16 | 1 | #ifndef lint |
32a94702 | 2 | static char sccsid[] = "@(#)ul.c 4.6 (Berkeley) %G%"; |
476fcd16 | 3 | #endif |
a7878ce2 | 4 | |
2770968b BJ |
5 | #include <stdio.h> |
6 | ||
94c88dd0 BJ |
7 | #define IESC '\033' |
8 | #define SO '\016' | |
9 | #define SI '\017' | |
10 | #define HFWD '9' | |
11 | #define HREV '8' | |
12 | #define FREV '7' | |
13 | #define MAXBUF 512 | |
14 | ||
15 | #define NORMAL 000 | |
16 | #define ALTSET 001 /* Reverse */ | |
17 | #define SUPERSC 002 /* Dim */ | |
18 | #define SUBSC 004 /* Dim | Ul */ | |
19 | #define UNDERL 010 /* Ul */ | |
20 | #define BOLD 020 /* Bold */ | |
21 | ||
22 | int must_use_uc, must_overstrike; | |
23 | char *CURS_UP, *CURS_RIGHT, *CURS_LEFT, | |
24 | *ENTER_STANDOUT, *EXIT_STANDOUT, *ENTER_UNDERLINE, *EXIT_UNDERLINE, | |
25 | *ENTER_DIM, *ENTER_BOLD, *ENTER_REVERSE, *UNDER_CHAR, *EXIT_ATTRIBUTES; | |
26 | ||
27 | struct CHAR { | |
28 | char c_mode; | |
29 | char c_char; | |
30 | } ; | |
31 | ||
94c88dd0 BJ |
32 | struct CHAR obuf[MAXBUF]; |
33 | int col, maxcol; | |
34 | int mode; | |
35 | int halfpos; | |
36 | int upln; | |
37 | int iflag; | |
2770968b BJ |
38 | |
39 | main(argc, argv) | |
40 | int argc; | |
41 | char **argv; | |
42 | { | |
94c88dd0 BJ |
43 | int c; |
44 | char *cp, *termtype; | |
2770968b | 45 | FILE *f; |
94c88dd0 BJ |
46 | char termcap[1024]; |
47 | char *getenv(); | |
48 | extern int optind; | |
49 | extern char *optarg; | |
2770968b | 50 | |
2770968b | 51 | termtype = getenv("TERM"); |
94c88dd0 BJ |
52 | if (termtype == NULL || (argv[0][0] == 'c' && !isatty(1))) |
53 | termtype = "lpr"; | |
54 | while ((c=getopt(argc, argv, "it:T:")) != EOF) | |
55 | switch(c) { | |
2770968b BJ |
56 | |
57 | case 't': | |
58 | case 'T': /* for nroff compatibility */ | |
94c88dd0 | 59 | termtype = optarg; |
2770968b BJ |
60 | break; |
61 | case 'i': | |
94c88dd0 BJ |
62 | iflag = 1; |
63 | break; | |
2770968b BJ |
64 | |
65 | default: | |
94c88dd0 BJ |
66 | fprintf(stderr, |
67 | "Usage: %s [ -i ] [ -tTerm ] file...\n", | |
68 | argv[0]); | |
2770968b BJ |
69 | exit(1); |
70 | } | |
94c88dd0 | 71 | |
2770968b BJ |
72 | switch(tgetent(termcap, termtype)) { |
73 | ||
74 | case 1: | |
2770968b BJ |
75 | break; |
76 | ||
77 | default: | |
78 | fprintf(stderr,"trouble reading termcap"); | |
79 | /* fall through to ... */ | |
80 | ||
81 | case 0: | |
82 | /* No such terminal type - assume dumb */ | |
94c88dd0 | 83 | strcpy(termcap, "dumb:os:col#80:cr=^M:sf=^J:am:"); |
2770968b BJ |
84 | break; |
85 | } | |
94c88dd0 BJ |
86 | initcap(); |
87 | if ( (tgetflag("os") && ENTER_BOLD==NULL ) || | |
88 | (tgetflag("ul") && ENTER_UNDERLINE==NULL && UNDER_CHAR==NULL)) | |
89 | must_overstrike = 1; | |
94c88dd0 BJ |
90 | initbuf(); |
91 | if (optind == argc) | |
2770968b | 92 | filter(stdin); |
94c88dd0 BJ |
93 | else for (; optind<argc; optind++) { |
94 | f = fopen(argv[optind],"r"); | |
2770968b | 95 | if (f == NULL) { |
94c88dd0 | 96 | perror(argv[optind]); |
2770968b BJ |
97 | exit(1); |
98 | } else | |
99 | filter(f); | |
100 | } | |
101 | exit(0); | |
102 | } | |
103 | ||
104 | filter(f) | |
105 | FILE *f; | |
106 | { | |
94c88dd0 | 107 | register c; |
2770968b | 108 | |
94c88dd0 BJ |
109 | while((c = getc(f)) != EOF) switch(c) { |
110 | ||
111 | case '\b': | |
112 | if (col > 0) | |
113 | col--; | |
114 | continue; | |
115 | ||
116 | case '\t': | |
117 | col = (col+8) & ~07; | |
118 | if (col > maxcol) | |
119 | maxcol = col; | |
120 | continue; | |
121 | ||
122 | case '\r': | |
123 | col = 0; | |
124 | continue; | |
125 | ||
126 | case SO: | |
127 | mode |= ALTSET; | |
128 | continue; | |
129 | ||
130 | case SI: | |
131 | mode &= ~ALTSET; | |
132 | continue; | |
133 | ||
134 | case IESC: | |
135 | switch (c = getc(f)) { | |
136 | ||
137 | case HREV: | |
138 | if (halfpos == 0) { | |
139 | mode |= SUPERSC; | |
140 | halfpos--; | |
141 | } else if (halfpos > 0) { | |
142 | mode &= ~SUBSC; | |
143 | halfpos--; | |
2770968b | 144 | } else { |
94c88dd0 BJ |
145 | halfpos = 0; |
146 | reverse(); | |
2770968b | 147 | } |
94c88dd0 | 148 | continue; |
2770968b | 149 | |
94c88dd0 BJ |
150 | case HFWD: |
151 | if (halfpos == 0) { | |
152 | mode |= SUBSC; | |
153 | halfpos++; | |
154 | } else if (halfpos < 0) { | |
155 | mode &= ~SUPERSC; | |
156 | halfpos++; | |
157 | } else { | |
158 | halfpos = 0; | |
159 | fwd(); | |
2770968b | 160 | } |
94c88dd0 BJ |
161 | continue; |
162 | ||
163 | case FREV: | |
164 | reverse(); | |
165 | continue; | |
166 | ||
167 | default: | |
168 | fprintf(stderr, | |
169 | "Unknown escape sequence in input: %o, %o\n", | |
170 | IESC, c); | |
171 | exit(1); | |
2770968b | 172 | } |
94c88dd0 BJ |
173 | continue; |
174 | ||
175 | case '_': | |
176 | if (obuf[col].c_char) | |
177 | obuf[col].c_mode |= UNDERL | mode; | |
178 | else | |
179 | obuf[col].c_char = '_'; | |
180 | case ' ': | |
181 | col++; | |
182 | if (col > maxcol) | |
183 | maxcol = col; | |
184 | continue; | |
185 | ||
186 | case '\n': | |
187 | flushln(); | |
5041df75 | 188 | continue; |
94c88dd0 BJ |
189 | |
190 | default: | |
191 | if (c < ' ') /* non printing */ | |
192 | continue; | |
193 | if (obuf[col].c_char == '\0') { | |
194 | obuf[col].c_char = c; | |
195 | obuf[col].c_mode = mode; | |
196 | } else if (obuf[col].c_char == '_') { | |
197 | obuf[col].c_char = c; | |
198 | obuf[col].c_mode |= UNDERL|mode; | |
5041df75 | 199 | } else if (obuf[col].c_char == c) |
94c88dd0 | 200 | obuf[col].c_mode |= BOLD|mode; |
5041df75 RC |
201 | else { |
202 | obuf[col].c_mode = c; | |
203 | obuf[col].c_mode = mode; | |
204 | } | |
94c88dd0 BJ |
205 | col++; |
206 | if (col > maxcol) | |
207 | maxcol = col; | |
208 | continue; | |
2770968b | 209 | } |
5041df75 RC |
210 | if (maxcol) |
211 | flushln(); | |
2770968b BJ |
212 | } |
213 | ||
94c88dd0 | 214 | flushln() |
2770968b | 215 | { |
94c88dd0 BJ |
216 | register lastmode; |
217 | register i; | |
218 | int hadmodes = 0; | |
219 | ||
220 | lastmode = NORMAL; | |
221 | for (i=0; i<maxcol; i++) { | |
222 | if (obuf[i].c_mode != lastmode) { | |
223 | hadmodes++; | |
224 | setmode(obuf[i].c_mode); | |
225 | lastmode = obuf[i].c_mode; | |
226 | } | |
227 | if (obuf[i].c_char == '\0') { | |
228 | if (upln) { | |
229 | puts(CURS_RIGHT); | |
230 | } else | |
231 | outc(' '); | |
232 | } else | |
233 | outc(obuf[i].c_char); | |
234 | } | |
235 | if (lastmode != NORMAL) { | |
236 | setmode(0); | |
237 | } | |
238 | if (must_overstrike && hadmodes) | |
239 | overstrike(); | |
240 | putchar('\n'); | |
241 | if (iflag && hadmodes) | |
242 | iattr(); | |
243 | fflush(stdout); | |
244 | if (upln) | |
245 | upln--; | |
246 | initbuf(); | |
2770968b BJ |
247 | } |
248 | ||
94c88dd0 BJ |
249 | /* |
250 | * For terminals that can overstrike, overstrike underlines and bolds. | |
251 | * We don't do anything with halfline ups and downs, or Greek. | |
252 | */ | |
253 | overstrike() | |
254 | { | |
255 | register int i; | |
256 | char lbuf[256]; | |
257 | register char *cp = lbuf; | |
258 | int hadbold=0; | |
2770968b | 259 | |
94c88dd0 BJ |
260 | /* Set up overstrike buffer */ |
261 | for (i=0; i<maxcol; i++) | |
262 | switch (obuf[i].c_mode) { | |
263 | case NORMAL: | |
264 | default: | |
265 | *cp++ = ' '; | |
266 | break; | |
267 | case UNDERL: | |
268 | *cp++ = '_'; | |
269 | break; | |
270 | case BOLD: | |
271 | *cp++ = obuf[i].c_char; | |
272 | hadbold=1; | |
273 | break; | |
274 | } | |
275 | putchar('\r'); | |
276 | for (*cp=' '; *cp==' '; cp--) | |
277 | *cp = 0; | |
278 | for (cp=lbuf; *cp; cp++) | |
279 | putchar(*cp); | |
280 | if (hadbold) { | |
281 | putchar('\r'); | |
282 | for (cp=lbuf; *cp; cp++) | |
283 | putchar(*cp=='_' ? ' ' : *cp); | |
284 | putchar('\r'); | |
285 | for (cp=lbuf; *cp; cp++) | |
286 | putchar(*cp=='_' ? ' ' : *cp); | |
287 | } | |
288 | } | |
2770968b | 289 | |
94c88dd0 | 290 | iattr() |
2770968b | 291 | { |
94c88dd0 BJ |
292 | register int i; |
293 | char lbuf[256]; | |
294 | register char *cp = lbuf; | |
2770968b | 295 | |
94c88dd0 BJ |
296 | for (i=0; i<maxcol; i++) |
297 | switch (obuf[i].c_mode) { | |
298 | case NORMAL: *cp++ = ' '; break; | |
299 | case ALTSET: *cp++ = 'g'; break; | |
300 | case SUPERSC: *cp++ = '^'; break; | |
301 | case SUBSC: *cp++ = 'v'; break; | |
302 | case UNDERL: *cp++ = '_'; break; | |
303 | case BOLD: *cp++ = '!'; break; | |
304 | default: *cp++ = 'X'; break; | |
2770968b | 305 | } |
94c88dd0 BJ |
306 | for (*cp=' '; *cp==' '; cp--) |
307 | *cp = 0; | |
308 | for (cp=lbuf; *cp; cp++) | |
309 | putchar(*cp); | |
310 | putchar('\n'); | |
2770968b BJ |
311 | } |
312 | ||
94c88dd0 | 313 | initbuf() |
2770968b | 314 | { |
94c88dd0 | 315 | register i; |
2770968b | 316 | |
94c88dd0 BJ |
317 | for (i=0; i<MAXBUF; i++) { |
318 | obuf[i].c_char = '\0'; | |
319 | obuf[i].c_mode = NORMAL; | |
2770968b | 320 | } |
94c88dd0 BJ |
321 | col = 0; |
322 | maxcol = 0; | |
323 | mode &= ALTSET; | |
2770968b BJ |
324 | } |
325 | ||
94c88dd0 | 326 | fwd() |
2770968b | 327 | { |
94c88dd0 | 328 | register oldcol, oldmax; |
2770968b | 329 | |
94c88dd0 BJ |
330 | oldcol = col; |
331 | oldmax = maxcol; | |
332 | flushln(); | |
333 | col = oldcol; | |
334 | maxcol = oldmax; | |
335 | } | |
336 | ||
337 | reverse() | |
338 | { | |
339 | upln++; | |
340 | fwd(); | |
341 | puts(CURS_UP); | |
342 | puts(CURS_UP); | |
343 | upln++; | |
344 | } | |
345 | ||
346 | initcap() | |
347 | { | |
348 | static char tcapbuf[512]; | |
349 | char *termtype; | |
350 | char *bp = tcapbuf; | |
351 | char *getenv(), *tgetstr(); | |
352 | ||
353 | /* This nonsense attempts to work with both old and new termcap */ | |
354 | CURS_UP = tgetstr("up", &bp); | |
355 | CURS_RIGHT = tgetstr("ri", &bp); | |
356 | if (CURS_RIGHT == NULL) | |
357 | CURS_RIGHT = tgetstr("nd", &bp); | |
358 | CURS_LEFT = tgetstr("le", &bp); | |
359 | if (CURS_LEFT == NULL) | |
360 | CURS_LEFT = tgetstr("bc", &bp); | |
361 | if (CURS_LEFT == NULL && tgetflag("bs")) | |
362 | CURS_LEFT = "\b"; | |
363 | ||
364 | ENTER_STANDOUT = tgetstr("so", &bp); | |
365 | EXIT_STANDOUT = tgetstr("se", &bp); | |
366 | ENTER_UNDERLINE = tgetstr("us", &bp); | |
367 | EXIT_UNDERLINE = tgetstr("ue", &bp); | |
368 | ENTER_DIM = tgetstr("mh", &bp); | |
369 | ENTER_BOLD = tgetstr("md", &bp); | |
370 | ENTER_REVERSE = tgetstr("mr", &bp); | |
371 | EXIT_ATTRIBUTES = tgetstr("me", &bp); | |
372 | ||
373 | if (!ENTER_BOLD && ENTER_REVERSE) | |
374 | ENTER_BOLD = ENTER_REVERSE; | |
375 | if (!ENTER_BOLD && ENTER_STANDOUT) | |
376 | ENTER_BOLD = ENTER_STANDOUT; | |
377 | if (!ENTER_UNDERLINE && ENTER_STANDOUT) { | |
378 | ENTER_UNDERLINE = ENTER_STANDOUT; | |
379 | EXIT_UNDERLINE = EXIT_STANDOUT; | |
380 | } | |
381 | if (!ENTER_DIM && ENTER_STANDOUT) | |
382 | ENTER_DIM = ENTER_STANDOUT; | |
383 | if (!ENTER_REVERSE && ENTER_STANDOUT) | |
384 | ENTER_REVERSE = ENTER_STANDOUT; | |
385 | if (!EXIT_ATTRIBUTES && EXIT_STANDOUT) | |
386 | EXIT_ATTRIBUTES = EXIT_STANDOUT; | |
387 | ||
388 | /* | |
389 | * Note that we use REVERSE for the alternate character set, | |
390 | * not the as/ae capabilities. This is because we are modelling | |
391 | * the model 37 teletype (since that's what nroff outputs) and | |
392 | * the typical as/ae is more of a graphics set, not the greek | |
393 | * letters the 37 has. | |
394 | */ | |
395 | ||
396 | #ifdef notdef | |
397 | printf("so %s se %s us %s ue %s me %s\n", | |
398 | ENTER_STANDOUT, EXIT_STANDOUT, ENTER_UNDERLINE, | |
399 | EXIT_UNDERLINE, EXIT_ATTRIBUTES); | |
400 | #endif | |
401 | UNDER_CHAR = tgetstr("uc", &bp); | |
402 | must_use_uc = (UNDER_CHAR && !ENTER_UNDERLINE); | |
403 | } | |
404 | ||
405 | outchar(c) | |
406 | char c; | |
407 | { | |
408 | putchar(c&0177); | |
409 | } | |
410 | ||
411 | puts(str) | |
412 | char *str; | |
413 | { | |
414 | if (str) | |
415 | tputs(str, 1, outchar); | |
416 | } | |
417 | ||
418 | static curmode = 0; | |
419 | outc(c) | |
420 | char c; | |
421 | { | |
422 | putchar(c); | |
423 | if (must_use_uc && (curmode&UNDERL)) { | |
424 | puts(CURS_LEFT); | |
425 | puts(UNDER_CHAR); | |
426 | } | |
427 | } | |
428 | ||
429 | setmode(newmode) | |
430 | int newmode; | |
431 | { | |
432 | if (!iflag) | |
a7878ce2 BJ |
433 | { |
434 | if (curmode != NORMAL && newmode != NORMAL) | |
435 | setmode(NORMAL); | |
94c88dd0 BJ |
436 | switch (newmode) { |
437 | case NORMAL: | |
438 | switch(curmode) { | |
439 | case NORMAL: | |
2770968b | 440 | break; |
94c88dd0 BJ |
441 | case UNDERL: |
442 | puts(EXIT_UNDERLINE); | |
2770968b | 443 | break; |
94c88dd0 BJ |
444 | default: |
445 | /* This includes standout */ | |
446 | puts(EXIT_ATTRIBUTES); | |
2770968b | 447 | break; |
94c88dd0 BJ |
448 | } |
449 | break; | |
450 | case ALTSET: | |
451 | puts(ENTER_REVERSE); | |
452 | break; | |
453 | case SUPERSC: | |
454 | /* | |
455 | * This only works on a few terminals. | |
456 | * It should be fixed. | |
457 | */ | |
458 | puts(ENTER_UNDERLINE); | |
459 | puts(ENTER_DIM); | |
460 | break; | |
461 | case SUBSC: | |
462 | puts(ENTER_DIM); | |
463 | break; | |
464 | case UNDERL: | |
465 | puts(ENTER_UNDERLINE); | |
466 | break; | |
467 | case BOLD: | |
468 | puts(ENTER_BOLD); | |
469 | break; | |
470 | default: | |
471 | /* | |
472 | * We should have some provision here for multiple modes | |
473 | * on at once. This will have to come later. | |
474 | */ | |
475 | puts(ENTER_STANDOUT); | |
476 | break; | |
2770968b | 477 | } |
a7878ce2 | 478 | } |
94c88dd0 BJ |
479 | curmode = newmode; |
480 | } | |
481 | /* @(#)getopt.c 3.2 */ | |
482 | #define ERR(s, c) if(opterr){\ | |
483 | fputs(argv[0], stderr);\ | |
484 | fputs(s, stderr);\ | |
485 | fputc(c, stderr);\ | |
486 | fputc('\n', stderr);} | |
487 | ||
488 | int opterr = 1; | |
489 | int optind = 1; | |
490 | char *optarg; | |
491 | char *index(); | |
492 | ||
493 | int | |
494 | getopt (argc, argv, opts) | |
495 | char **argv, *opts; | |
496 | { | |
497 | static int sp = 1; | |
498 | char c; | |
499 | char *cp; | |
500 | ||
501 | if (sp == 1) | |
502 | if (optind >= argc || | |
503 | argv[optind][0] != '-' || argv[optind][1] == '\0') | |
504 | return EOF; | |
505 | else if (strcmp(argv[optind], "--") == NULL) { | |
506 | optind++; | |
507 | return EOF; | |
2770968b | 508 | } |
94c88dd0 BJ |
509 | else if (strcmp(argv[optind], "-?") == NULL) { |
510 | optind++; | |
511 | return '?'; | |
512 | } | |
513 | c = argv[optind][sp]; | |
514 | if (c == ':' || (cp=index(opts, c)) == NULL) { | |
515 | ERR (": illegal option -- ", c); | |
516 | if (argv[optind][++sp] == '\0') { | |
517 | optind++; | |
518 | sp = 1; | |
519 | } | |
520 | return '?'; | |
2770968b | 521 | } |
94c88dd0 BJ |
522 | if (*++cp == ':') { |
523 | if (argv[optind][2] != '\0') | |
524 | optarg = &argv[optind++][sp+1]; | |
525 | else if (++optind >= argc) { | |
526 | ERR (": option requires an argument -- ", c); | |
527 | sp = 1; | |
528 | return '?'; | |
2770968b | 529 | } else |
94c88dd0 BJ |
530 | optarg = argv[optind++]; |
531 | sp = 1; | |
532 | } | |
533 | else if (argv[optind][++sp] == '\0') { | |
534 | sp = 1; | |
535 | optind++; | |
536 | } | |
537 | return c; | |
2770968b | 538 | } |