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1 /*

2 * Help utilities.

4 *

5 * Author: Markku Rossi <mtr@iki.fi>

6 */

8 /*

9 * This file is part of GNU Enscript.

10 *

11 * Enscript is free software: you can redistribute it and/or modify

12 * it under the terms of the GNU General Public License as published by

13 * the Free Software Foundation, either version 3 of the License, or

14 * (at your option) any later version.

15 *

16 * Enscript is distributed in the hope that it will be useful,

17 * but WITHOUT ANY WARRANTY; without even the implied warranty of

18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

19 * GNU General Public License for more details.

20 *

21 * You should have received a copy of the GNU General Public License

22 * along with Enscript. If not, see <http://www.gnu.org/licenses/>.

23 */

25 #include "gsint.h"

26 #include<langinfo.h>

28 /*

29 * Types and definitions.

30 */

32 #define CFG_FATAL(body) \

33 do { \

34 fprintf (stderr, "%s:%s:%d: ", program, buffer_ptr(&fname), line); \

35 fprintf body; \

36 fprintf (stderr, "\n"); \

37 fflush (stderr); \

38 exit (1); \

39 } while (0)

42 /*

43 * Static variables.

44 */

46 /*

47 * 7bit ASCII fi(nland), se (sweden) scand encodings (additions to 7bit ASCII

48 * enc).

49 */

50 static struct

51 {

52 int code;

53 char *name;

54 } enc_7bit_ascii_fise[] =

55 {

56 {'{', "adieresis"},

57 {'|', "odieresis"},

58 {'}', "aring"},

59 {'[', "Adieresis"},

60 {'\\', "Odieresis"},

61 {']', "Aring"},

62 {0, NULL},

63 };

65 /*

66 * 7bit ASCII dk (denmark), no(rway) scand encodings (additions to 7bit ASCII

67 * enc).

68 */

69 static struct

70 {

71 int code;

72 char *name;

73 } enc_7bit_ascii_dkno[] =

74 {

75 {'{', "ae"},

76 {'|', "oslash"},

77 {'}', "aring"},

78 {'[', "AE"},

79 {'\\', "Oslash"},

80 {']', "Aring"},

81 {0, NULL},

82 };

85 /*

86 * Global functions.

87 */

89 #define GET_TOKEN(from) (strtok ((from), " \t\n"))

90 #define GET_LINE_TOKEN(from) (strtok ((from), "\n"))

92 #define CHECK_TOKEN() \

93 if (token2 == NULL) \

94 CFG_FATAL ((stderr, _("missing argument: %s"), token));

96 void search_and_replace(char *str, char *search, char *replace) {

97 char *pos;

98 int search_len = strlen(search);

99 int replace_len = strlen(replace);

100

101 while ((pos = strstr(str, search)) != NULL) {

102 char tmp[strlen(str) + 1];

103 strcpy(tmp, pos + search_len);

104 strcpy(pos, replace);

105 strcpy(pos + replace_len, tmp);

106 str = pos + replace_len;

107 }

108 }

109 int

110 read_config (char *path, char *file)

111 {

112 FILE *fp;

113 Buffer fname;

114 char buf[4096];

115 char *token, *token2;

116 int line = 0;

117

118 buffer_init (&fname);

119 buffer_append (&fname, path);

120 buffer_append (&fname, "/");

121 buffer_append (&fname, file);

122

123 fp = fopen (buffer_ptr (&fname), "r");

124

125 /* We wait to uninit the buffer so that CFG_FATAL can use it. */

126

127 if (fp == NULL)

128 {

129 buffer_uninit (&fname);

130 return 0;

131 }

132

133 while (fgets (buf, sizeof (buf), fp))

134 {

135 line++;

136

137 if (buf[0] == '#')

138 continue;

139

140 token = GET_TOKEN (buf);

141 if (token == NULL)

142 /* Empty line. */

143 continue;

144

145 if (MATCH (token, "AcceptCompositeCharacters:"))

146 {

147 token2 = GET_TOKEN (NULL);

148 CHECK_TOKEN ();

149 accept_composites = atoi (token2);

150 }

151 else if (MATCH (token, "AFMPath:"))

152 {

153 token2 = GET_TOKEN (NULL);

154 CHECK_TOKEN ();

155 search_and_replace(token2,"$HOME",getenv("HOME"));

156 xfree (afm_path);

157 afm_path = xstrdup (token2);

158 }

159 else if (MATCH (token, "AppendCtrlD:"))

160 {

161 token2 = GET_TOKEN (NULL);

162 CHECK_TOKEN ();

163 append_ctrl_D = atoi (token2);

164 }

165 else if (MATCH (token, "Clean7Bit:"))

166 {

167 token2 = GET_TOKEN (NULL);

168 CHECK_TOKEN ();

169 clean_7bit = atoi (token2);

170 }

171 else if (MATCH (token, "DefaultEncoding:"))

172 {

173 token2 = GET_TOKEN (NULL);

174 CHECK_TOKEN ();

175 xfree (encoding_name);

176 encoding_name = xstrdup (token2);

177 }

178 else if (MATCH (token, "DefaultFancyHeader:"))

179 {

180 token2 = GET_TOKEN (NULL);

181 CHECK_TOKEN ();

182 xfree (fancy_header_default);

183 fancy_header_default = xstrdup (token2);

184 }

185 else if (MATCH (token, "DefaultMedia:"))

186 {

187 token2 = GET_TOKEN (NULL);

188 CHECK_TOKEN ();

189 #ifdef LC_PAPER

190 if (!strcasecmp("LC_PAPER", token2))

191 {

192 unsigned int paperheight = (unsigned int)nl_langinfo(_NL_PAPER_HEIGHT);

193 if (paperheight && paperheight == 279)

194 token2 = "letter";

195 else

196 token2 = "a4";

197 }

198 #endif

199 xfree (media_name);

200 media_name = xstrdup (token2);

201 }

202 else if (MATCH (token, "DefaultOutputMethod:"))

203 {

204 token2 = GET_TOKEN (NULL);

205 CHECK_TOKEN ();

206 if (MATCH (token2, "printer"))

207 output_file = OUTPUT_FILE_NONE;

208 else if (MATCH (token2, "stdout"))

209 output_file = OUTPUT_FILE_STDOUT;

210 else

211 CFG_FATAL ((stderr, _("illegal value \"%s\" for option %s"),

212 token2, token));

213 }

214 else if (MATCH (token, "DownloadFont:"))

215 {

216 token2 = GET_TOKEN (NULL);

217 CHECK_TOKEN ();

218 strhash_put (download_fonts, token2, strlen (token2) + 1, NULL,

219 NULL);

220 }

221 else if (MATCH (token, "EscapeChar:"))

222 {

223 token2 = GET_TOKEN (NULL);

224 CHECK_TOKEN ();

225 escape_char = atoi (token2);

226 if (escape_char < 0 || escape_char > 255)

227 CFG_FATAL ((stderr, _("invalid value \"%s\" for option %s"),

228 token2, token));

229 }

230 else if (MATCH (token, "FormFeedType:"))

231 {

232 token2 = GET_TOKEN (NULL);

233 CHECK_TOKEN ();

234 if (MATCH (token2, "column"))

235 formfeed_type = FORMFEED_COLUMN;

236 else if (MATCH (token2, "page"))

237 formfeed_type = FORMFEED_PAGE;

238 else

239 CFG_FATAL ((stderr, _("illegal value \"%s\" for option %s"),

240 token2, token));

241 }

242 else if (MATCH (token, "GeneratePageSize:"))

243 {

244 token2 = GET_TOKEN (NULL);

245 CHECK_TOKEN ();

246 generate_PageSize = atoi (token2);

247 }

248 else if (MATCH (token, "HighlightBarGray:"))

249 {

250 token2 = GET_TOKEN (NULL);

251 CHECK_TOKEN ();

252 highlight_bar_gray = atof (token2);

253 }

254 else if (MATCH (token, "HighlightBars:"))

255 {

256 token2 = GET_TOKEN (NULL);

257 CHECK_TOKEN ();

258 highlight_bars = atoi (token2);

259 }

260 else if (MATCH (token, "LibraryPath:"))

261 {

262 token2 = GET_TOKEN (NULL);

263 CHECK_TOKEN ();

264 xfree (libpath);

265 libpath = xstrdup (token2);

266 }

267 else if (MATCH (token, "MarkWrappedLines:"))

268 {

269 token2 = GET_TOKEN (NULL);

270 CHECK_TOKEN ();

271 xfree (mark_wrapped_lines_style_name);

272 mark_wrapped_lines_style_name = xstrdup (token2);

273 }

274 else if (MATCH (token, "Media:"))

275 {

276 char *name;

277 int w, h, llx, lly, urx, ury;

278

279 token2 = GET_TOKEN (NULL);

280 CHECK_TOKEN ();

281 name = token2;

282

283 token2 = GET_TOKEN (NULL);

284 CHECK_TOKEN ();

285 w = atoi (token2);

286

287 token2 = GET_TOKEN (NULL);

288 CHECK_TOKEN ();

289 h = atoi (token2);

290

291 token2 = GET_TOKEN (NULL);

292 CHECK_TOKEN ();

293 llx = atoi (token2);

294

295 token2 = GET_TOKEN (NULL);

296 CHECK_TOKEN ();

297 lly = atoi (token2);

298

299 token2 = GET_TOKEN (NULL);

300 CHECK_TOKEN ();

301 urx = atoi (token2);

302

303 token2 = GET_TOKEN (NULL);

304 CHECK_TOKEN ();

305 ury = atoi (token2);

306

307 add_media (name, w, h, llx, lly, urx, ury);

308 }

309 else if (MATCH (token, "NoJobHeaderSwitch:"))

310 {

311 token2 = GET_LINE_TOKEN (NULL);

312 CHECK_TOKEN ();

313 xfree (no_job_header_switch);

314 no_job_header_switch = xstrdup (token2);

315 }

316 else if (MATCH (token, "NonPrintableFormat:"))

317 {

318 token2 = GET_TOKEN (NULL);

319 CHECK_TOKEN ();

320 xfree (npf_name);

321 npf_name = xstrdup (token2);

322 }

323 else if (MATCH (token, "OutputFirstLine:"))

324 {

325 token2 = GET_LINE_TOKEN (NULL);

326 CHECK_TOKEN ();

327 xfree (output_first_line);

328 output_first_line = xstrdup (token2);

329 }

330 else if (MATCH (token, "PageLabelFormat:"))

331 {

332 token2 = GET_TOKEN (NULL);

333 CHECK_TOKEN ();

334 xfree (page_label_format);

335 page_label_format = xstrdup (token2);

336 }

337 else if (MATCH (token, "PagePrefeed:"))

338 {

339 token2 = GET_TOKEN (NULL);

340 CHECK_TOKEN ();

341 page_prefeed = atoi (token2);

342 }

343 else if (MATCH (token, "PostScriptLevel:"))

344 {

345 token2 = GET_TOKEN (NULL);

346 CHECK_TOKEN ();

347 pslevel = atoi (token2);

348 }

349 else if (MATCH (token, "Printer:"))

350 {

351 token2 = GET_TOKEN (NULL);

352 CHECK_TOKEN ();

353 xfree (printer);

354 printer = xstrdup (token2);

355 }

356 else if (MATCH (token, "QueueParam:"))

357 {

358 token2 = GET_LINE_TOKEN (NULL);

359 CHECK_TOKEN ();

360 xfree (queue_param);

361 queue_param = xstrdup (token2);

362 }

363 else if (MATCH (token, "SetPageDevice:"))

364 {

365 token2 = GET_LINE_TOKEN (NULL);

366 CHECK_TOKEN ();

367 parse_key_value_pair (pagedevice, token2);

368 }

369 else if (MATCH (token, "Spooler:"))

370 {

371 token2 = GET_TOKEN (NULL);

372 CHECK_TOKEN ();

373 xfree (spooler_command);

374 spooler_command = xstrdup (token2);

375 }

376 else if (MATCH (token, "StatesBinary:"))

377 {

378 token2 = GET_TOKEN (NULL);

379 CHECK_TOKEN ();

380 xfree (states_binary);

381 states_binary = xstrdup (token2);

382 }

383 else if (MATCH (token, "StatesColor:"))

384 {

385 token2 = GET_TOKEN (NULL);

386 CHECK_TOKEN ();

387 states_color = atoi (token2);

388 }

389 else if (MATCH (token, "StatesConfigFile:"))

390 {

391 token2 = GET_LINE_TOKEN (NULL);

392 CHECK_TOKEN ();

393 xfree (states_config_file);

394 states_config_file = xstrdup (token2);

395 }

396 else if (MATCH (token, "StatesHighlightStyle:"))

397 {

398 token2 = GET_TOKEN (NULL);

399 CHECK_TOKEN ();

400 xfree (states_highlight_style);

401 states_highlight_style = xstrdup (token2);

402 }

403 else if (MATCH (token, "StatesPath:"))

404 {

405 token2 = GET_LINE_TOKEN (NULL);

406 CHECK_TOKEN ();

407 xfree (states_path);

408 states_path = xstrdup (token2);

409 }

410 else if (MATCH (token, "StatusDict:"))

411 {

412 token2 = GET_TOKEN (NULL);

413 CHECK_TOKEN ();

414 parse_key_value_pair (statusdict, token2);

415 }

416 else if (MATCH (token, "TOCFormat:"))

417 {

418 token2 = GET_LINE_TOKEN (NULL);

419 CHECK_TOKEN ();

420 toc_fmt_string = xstrdup (token2);

421 }

422 else if (MATCH (token, "Underlay:"))

423 {

424 token2 = GET_LINE_TOKEN (NULL);

425 CHECK_TOKEN ();

426 underlay = xmalloc (strlen (token2) + 1);

427 strcpy (underlay, token2);

428 }

429 else if (MATCH (token, "UnderlayAngle:"))

430 {

431 token2 = GET_TOKEN (NULL);

432 CHECK_TOKEN ();

433 ul_angle = atof (token2);

434 ul_angle_p = 1;

435 }

436 else if (MATCH (token, "UnderlayFont:"))

437 {

438 token2 = GET_TOKEN (NULL);

439 CHECK_TOKEN ();

440 if (!parse_font_spec (token2, &ul_font, &ul_ptsize, NULL))

441 CFG_FATAL ((stderr, _("malformed font spec: %s"), token2));

442 }

443 else if (MATCH (token, "UnderlayGray:"))

444 {

445 token2 = GET_TOKEN (NULL);

446 CHECK_TOKEN ();

447 ul_gray = atof (token2);

448 }

449 else if (MATCH (token, "UnderlayPosition:"))

450 {

451 token2 = GET_TOKEN (NULL);

452 CHECK_TOKEN ();

453 xfree (ul_position);

454 ul_position = xstrdup (token2);

455 ul_position_p = 1;

456 }

457 else if (MATCH (token, "UnderlayStyle:"))

458 {

459 token2 = GET_TOKEN (NULL);

460 CHECK_TOKEN ();

461 xfree (ul_style_str);

462 ul_style_str = xstrdup (token2);

463 }

464 else

465 CFG_FATAL ((stderr, _("illegal option: %s"), token));

466 }

467

468 fclose (fp);

469 buffer_uninit (&fname);

470 return 1;

471 }

472

473

474 void

475 add_media (char *name, int w, int h, int llx, int lly, int urx, int ury)

476 {

477 MediaEntry *entry;

478

479 MESSAGE (2,

480 (stderr,

481 "add_media: name=%s, w=%d, h=%d, llx=%d, lly=%d, urx=%d, ury=%d\n",

482 name, w, h, llx, lly, urx, ury));

483

484 entry = xcalloc (1, sizeof (*entry));

485 entry->name = xmalloc (strlen (name) + 1);

486

487 strcpy (entry->name, name);

488 entry->w = w;

489 entry->h = h;

490 entry->llx = llx;

491 entry->lly = lly;

492 entry->urx = urx;

493 entry->ury = ury;

494

495 entry->next = media_names;

496 media_names = entry;

497 }

498

499

500 void

501 do_list_missing_characters (int *array)

502 {

503 int i;

504 int count = 0;

505

506 for (i = 0; i < 256; i++)

507 if (array[i])

508 {

509 fprintf (stderr, "%3d ", i);

510 count++;

511 if (count % 15 == 0)

512 fprintf (stderr, "\n");

513 }

514

515 if (count % 15 != 0)

516 fprintf (stderr, "\n");

517 }

518

519

520 int

521 file_existsp (char *name, char *suffix)

522 {

523 FileLookupCtx ctx;

524 int result;

525

526 ctx.name = name;

527 ctx.suffix = suffix ? suffix : "";

528 ctx.fullname = buffer_alloc ();

529

530 result = pathwalk (libpath, file_lookup, &ctx);

531

532 buffer_free (ctx.fullname);

533

534 return result;

535 }

536

537

538 int

539 paste_file (char *name, char *suffix)

540 {

541 char buf[512];

542 char resources[512];

543 FILE *fp;

544 FileLookupCtx ctx;

545 int pending_comment = 0;

546 int line = 0;

547

548 ctx.name = name;

549 ctx.suffix = suffix ? suffix : "";

550 ctx.fullname = buffer_alloc ();

551

552 if (!pathwalk (libpath, file_lookup, &ctx))

553 {

554 buffer_free (ctx.fullname);

555 return 0;

556 }

557 fp = fopen (buffer_ptr (ctx.fullname), "r");

558 if (fp == NULL)

559 {

560 buffer_free (ctx.fullname);

561 return 0;

562 }

563

564 /* Find the end of the header. */

565 #define HDR_TAG "% -- code follows this line --"

566 while ((fgets (buf, sizeof (buf), fp)))

567 {

568 line++;

569 if (strncmp (buf, HDR_TAG, strlen (HDR_TAG)) == 0)

570 break;

571 }

572

573 /* Dump rest of file. */

574 while ((fgets (buf, sizeof (buf), fp)))

575 {

576 line++;

577

578 /*

579 * Document needed resources?

580 */

581 #define RESOURCE_DSC "%%DocumentNeededResources:"

582 #define CONT_DSC "%%+"

583 if (strncmp (buf, RESOURCE_DSC, strlen (RESOURCE_DSC)) == 0)

584 {

585 char *cp, *cp2;

586

587 strcpy (resources, buf + strlen (RESOURCE_DSC));

588 pending_comment = 1;

589

590 parse_resources:

591 /* Register needed resources. */

592 cp = GET_TOKEN (resources);

593 if (cp == NULL)

594 /* Get the next line. */

595 continue;

596

597 if (MATCH (cp, "font"))

598 {

599 for (cp = GET_TOKEN (NULL); cp; cp = GET_TOKEN (NULL))

600 /* Is this font already known? */

601 if (!strhash_get (res_fonts, cp, strlen (cp) + 1,

602 (void **) &cp2))

603 {

604 /* Not it is not, we must include this resource. */

605 #include<langinfo.h>

606 fprintf (ofp, "%%%%IncludeResource: font %s\n", cp);

607

608 /*

609 * And register that this resource is needed in

610 * this document.

611 */

612 strhash_put (res_fonts, cp, strlen (cp) + 1, NULL, NULL);

613 }

614

615 /* Do not pass this DSC row to the output. */

616 continue;

617 }

618 else

619 /* Unknown resource, ignore. */

620 continue;

621 }

622 else if (pending_comment

623 && strncmp (buf, CONT_DSC, strlen (CONT_DSC)) == 0)

624 {

625 strcpy (resources, buf + strlen (CONT_DSC));

626 goto parse_resources;

627 }

628 else

629 pending_comment = 0;

630

631 /*

632 * `%Format' directive?

633 */

634 #define DIRECTIVE_FORMAT "%Format:"

635 if (strncmp (buf, DIRECTIVE_FORMAT, strlen (DIRECTIVE_FORMAT)) == 0)

636 {

637 int i, j;

638 char name[256];

639 char *cp, *cp2;

640 errno = 0;

641

642 /* Skip the leading whitespace. */

643 for (i = strlen (DIRECTIVE_FORMAT); buf[i] && isspace (buf[i]); i++)

644 ;

645 if (!buf[i])

646 FATAL ((stderr, _("%s:%d: %%Format: no name"),

647 buffer_ptr (ctx.fullname), line));

648

649 /* Copy name. */

650 for (j = 0;

651 j < sizeof (name) - 1 && buf[i] && !isspace (buf[i]);

652 i++)

653 name[j++] = buf[i];

654 name[j] = '\0';

655

656 if (j >= sizeof (name) - 1)

657 FATAL ((stderr, _("%s:%d: %%Format: too long name, maxlen=%d"),

658 buffer_ptr (ctx.fullname), line, (int)(sizeof (name) - 1)));

659

660 /* Find the start of the format string. */

661 for (; buf[i] && isspace (buf[i]); i++)

662 ;

663

664 /* Find the end. */

665 j = strlen (buf);

666 for (j--; isspace (buf[j]) && j > i; j--)

667 ;

668 j++;

669

670 MESSAGE (2, (stderr, "%%Format: %s %.*s\n", name, j - i, buf + i));

671

672 cp = xmalloc (j - i + 1);

673 memcpy (cp, buf + i, j - i);

674 cp[j - i] = '\0';

675

676 strhash_put (user_strings, name, strlen (name) + 1, cp,

677 (void **) &cp2);

678 if (cp2)

679 FATAL ((stderr,

680 _("%s:%d: %%Format: name \"%s\" is already defined"),

681 buffer_ptr (ctx.fullname), line, name));

682

683 /* All done with the `%Format' directive. */

684 continue;

685 }

686

687 /*

688 * `%HeaderHeight' directive?

689 */

690 #define DIRECTIVE_HEADERHEIGHT "%HeaderHeight:"

691 if (strncmp (buf, DIRECTIVE_HEADERHEIGHT,

692 strlen (DIRECTIVE_HEADERHEIGHT)) == 0)

693 {

694 int i;

695

696 /* Find the start of the pts argument. */

697 for (i = strlen (DIRECTIVE_HEADERHEIGHT);

698 buf[i] && !isspace (buf[i]); i++)

699 ;

700 if (!buf[i])

701 FATAL ((stderr, _("%s:%d: %%HeaderHeight: no argument"),

702 buffer_ptr (ctx.fullname), line));

703

704 d_header_h = atoi (buf + i);

705 MESSAGE (2, (stderr, "%%HeaderHeight: %d\n", d_header_h));

706 continue;

707 }

708

709 /*

710 * `%FooterHeight' directive?

711 */

712 #define DIRECTIVE_FOOTERHEIGHT "%FooterHeight:"

713 if (strncmp (buf, DIRECTIVE_FOOTERHEIGHT,

714 strlen (DIRECTIVE_FOOTERHEIGHT)) == 0)

715 {

716 int i;

717

718 /* Find the start of the pts argument. */

719 for (i = strlen (DIRECTIVE_FOOTERHEIGHT);

720 buf[i] && !isspace (buf[i]); i++)

721 ;

722 if (!buf[i])

723 FATAL ((stderr, _("%s:%d: %%FooterHeight: no argument"),

724 buffer_ptr (ctx.fullname), line));

725

726 d_footer_h = atoi (buf + i);

727 MESSAGE (2, (stderr, "%%FooterHeight: %d\n", d_footer_h));

728 continue;

729 }

730

731 /* Nothing special, just copy it to the output. */

732 fputs (buf, ofp);

733 }

734

735 fclose (fp);

736 buffer_free (ctx.fullname);

737

738 return 1;

739 }

740

741

742 int

743 parse_font_spec (char *spec_a, char **name_return, FontPoint *size_return,

744 InputEncoding *encoding_return)

745 {

746 int i, j;

747 char *cp, *cp2;

748 char *spec;

749 char *encp;

750

751 spec = xstrdup (spec_a);

752

753 /* Check for the `namesize:encoding' format. */

754 encp = strrchr (spec, ':');

755 if (encp)

756 {

757 *encp = '\0';

758 encp++;

759 }

760

761 /* The `name@ptsize' format? */

762 cp = strchr (spec, '@');

763 if (cp)

764 {

765 i = cp - spec;

766 if (cp[1] == '\0')

767 {

768 /* No ptsize after '@'. */

769 xfree (spec);

770 return 0;

771 }

772 cp++;

773 }

774 else

775 {

776 /* The old `nameptsize' format. */

777 i = strlen (spec) - 1;

778 if (i <= 0 || !ISNUMBERDIGIT (spec[i]))

779 {

780 xfree (spec);

781 return 0;

782 }

783

784 for (i--; i >= 0 && ISNUMBERDIGIT (spec[i]); i--)

785 ;

786 if (i < 0)

787 {

788 xfree (spec);

789 return 0;

790 }

791 if (spec[i] == '/')

792 {

793 /* We accept one slash for the `pt/pt' format. */

794 for (i--; i >= 0 && ISNUMBERDIGIT (spec[i]); i--)

795 ;

796 if (i < 0)

797 {

798 xfree (spec);

799 return 0;

800 }

801 }

802 i++;

803

804 /* Now, <i> points to the end of the name. Let's set the <cp>

805 to the beginning of the point size and share a little code

806 with the other format. */

807 cp = spec + i;

808 }

809

810 /* Check the font point size. */

811 cp2 = strchr (cp, '/');

812 if (cp2)

813 {

814 *cp2++ = '\0';

815 size_return->w = atof (cp);

816 size_return->h = atof (cp2);

817 }

818 else

819 size_return->w = size_return->h = atof (cp);

820

821 /* Extract the font name. */

822 *name_return = (char *) xcalloc (1, i + 1);

823 strncpy (*name_return, spec, i);

824

825 /* Check the input encoding. */

826 if (encp)

827 {

828 int found = 0;

829

830 if (encoding_return == NULL)

831 {

832 /* We don't allow it here. */

833 xfree (spec);

834 return 0;

835 }

836

837 for (i = 0; !found && encodings[i].names[0]; i++)

838 for (j = 0; j < 3; j++)

839 if (encodings[i].names[j] != NULL && MATCH (encodings[i].names[j],

840 encp))

841 {

842 /* Found a match. */

843 *encoding_return = encodings[i].encoding;

844 encp = encodings[i].names[0];

845 found = 1;

846 break;

847 }

848

849 if (!found)

850 {

851 xfree (spec);

852 return 0;

853 }

854 }

855 else

856 {

857 /* The spec didn't contain the encoding part. Use our global default. */

858 encp = encoding_name;

859 if (encoding_return)

860 *encoding_return = encoding;

861 }

862 xfree (spec);

863

864 MESSAGE (2, (stderr,

865 "parse_font_spec(): name=%.*s, size=%g/%g, encoding=%s\n", i,

866 *name_return, size_return->w, size_return->h,

867 encp));

868

869 if (size_return->w < 0.0 && size_return->h < 0.0)

870 MESSAGE (0, (stderr, _("%s: warning: font size is negative\n"), program));

871 else if (size_return->w < 0.0)

872 MESSAGE (0, (stderr, _("%s: warning: font width is negative\n"), program));

873 else if (size_return->h < 0.0)

874 MESSAGE (0, (stderr, _("%s: warning: font height is negative\n"),

875 program));

876

877 return 1;

878 }

879

880

881 void

882 read_font_info (void)

883 {

884 CachedFontInfo *font_info;

885 AFMFont font;

886 int font_info_cached = 1;

887 int font_cached = 1;

888 int i;

889 unsigned int enc_flags = 0;

890 char buf[256];

891 Buffer fkey;

892

893 MESSAGE (2, (stderr, _("reading AFM info for font \"%s\"\n"), Fname));

894

895 if (accept_composites)

896 enc_flags = AFM_ENCODE_ACCEPT_COMPOSITES;

897

898 /* Open font */

899

900 buffer_init (&fkey);

901

902 buffer_append (&fkey, Fname);

903 sprintf (buf, "@%f:%d", Fpt.w, encoding);

904 buffer_append (&fkey, buf);

905

906 if (!strhash_get (afm_info_cache, buffer_ptr (&fkey),

907 strlen (buffer_ptr (&fkey)), (void **) &font_info))

908 {

909 AFMError error;

910

911 /* Couldn't find it from our cache, open open AFM file. */

912 if (!strhash_get (afm_cache, Fname, strlen (Fname), (void **) &font))

913 {

914 /* AFM file was not cached, open it from disk. */

915 error = afm_open_font (afm, AFM_I_COMPOSITES, Fname, &font);

916 if (error != AFM_SUCCESS)

917 {

918 #define COUR "Courier"

919 /*

920 * Do not report failures for "Courier*" fonts because

921 * AFM library's default font will fix them.

922 */

923 if (strncmp (Fname, COUR, strlen (COUR)) != 0)

924 MESSAGE (0,

925 (stderr,

926 _("couldn't open AFM file for font \"%s\", using default\n"),

927 Fname));

928 error = afm_open_default_font (afm, &font);

929 if (error != AFM_SUCCESS)

930 {

931 afm_error_to_string (error, buf);

932 FATAL ((stderr,

933 _("couldn't open AFM file for the default font: %s"),

934 buf));

935 }

936 }

937

938 /* Apply encoding. */

939 switch (encoding)

940 {

941 case ENC_ISO_8859_1:

942 (void) afm_font_encoding (font, AFM_ENCODING_ISO_8859_1,

943 enc_flags);

944 break;

945

946 case ENC_ISO_8859_2:

947 (void) afm_font_encoding (font, AFM_ENCODING_ISO_8859_2,

948 enc_flags);

949 break;

950

951 case ENC_ISO_8859_3:

952 (void) afm_font_encoding (font, AFM_ENCODING_ISO_8859_3,

953 enc_flags);

954 break;

955

956 case ENC_ISO_8859_4:

957 (void) afm_font_encoding (font, AFM_ENCODING_ISO_8859_4,

958 enc_flags);

959 break;

960

961 case ENC_ISO_8859_5:

962 (void) afm_font_encoding (font, AFM_ENCODING_ISO_8859_5,

963 enc_flags);

964 break;

965

966 case ENC_ISO_8859_7:

967 (void) afm_font_encoding (font, AFM_ENCODING_ISO_8859_7,

968 enc_flags);

969 break;

970

971 case ENC_ISO_8859_9:

972 (void) afm_font_encoding (font, AFM_ENCODING_ISO_8859_9,

973 enc_flags);

974 break;

975

976 case ENC_ISO_8859_10:

977 (void) afm_font_encoding (font, AFM_ENCODING_ISO_8859_10,

978 enc_flags);

979 break;

980

981 case ENC_ASCII:

982 (void) afm_font_encoding (font, AFM_ENCODING_ASCII, enc_flags);

983 break;

984

985 case ENC_ASCII_FISE:

986 /* First apply standard 7bit ASCII encoding. */

987 (void) afm_font_encoding (font, AFM_ENCODING_ASCII, enc_flags);

988

989 /* Then add those scand characters. */

990 for (i = 0; enc_7bit_ascii_fise[i].name; i++)

991 (void) afm_font_encode (font, enc_7bit_ascii_fise[i].code,

992 enc_7bit_ascii_fise[i].name,

993 enc_flags);

994 break;

995

996 case ENC_ASCII_DKNO:

997 /* First apply standard 7bit ASCII encoding. */

998 (void) afm_font_encoding (font, AFM_ENCODING_ASCII, enc_flags);

999

1000 /* Then add those scand characters. */

1001 for (i = 0; enc_7bit_ascii_dkno[i].name; i++)

1002 (void) afm_font_encode (font, enc_7bit_ascii_dkno[i].code,

1003 enc_7bit_ascii_dkno[i].name,

1004 enc_flags);

1005 break;

1006

1007 case ENC_IBMPC:

1008 (void) afm_font_encoding (font, AFM_ENCODING_IBMPC, enc_flags);

1009 break;

1010

1011 case ENC_MAC:

1012 (void) afm_font_encoding (font, AFM_ENCODING_MAC, enc_flags);

1013 break;

1014

1015 case ENC_VMS:

1016 (void) afm_font_encoding (font, AFM_ENCODING_VMS, enc_flags);

1017 break;

1018

1019 case ENC_HP8:

1020 (void) afm_font_encoding (font, AFM_ENCODING_HP8, enc_flags);

1021 break;

1022

1023 case ENC_KOI8:

1024 (void) afm_font_encoding (font, AFM_ENCODING_KOI8, enc_flags);

1025 break;

1026

1027 case ENC_PS:

1028 /* Let's use font's default encoding -- nothing here. */

1029 break;

1030 }

1031

1032 /* Put it to the AFM cache. */

1033 if (!strhash_put (afm_cache, Fname, strlen (Fname), font, NULL))

1034 font_cached = 0;

1035 }

1036

1037 font_info = (CachedFontInfo *) xcalloc (1, sizeof (*font_info));

1038 /* Read character widths and types. */

1039 for (i = 0; i < 256; i++)

1040 {

1041 AFMNumber w0x, w0y;

1042

1043 (void) afm_font_charwidth (font, Fpt.w, i, &w0x, &w0y);

1044 font_info->font_widths[i] = w0x;

1045

1046 if (font->encoding[i] == AFM_ENC_NONE)

1047 font_info->font_ctype[i] = ' ';

1048 else if (font->encoding[i] == AFM_ENC_NON_EXISTENT)

1049 font_info->font_ctype[i] = '.';

1050 else

1051 font_info->font_ctype[i] = '*';

1052 }

1053

1054 font_info->font_is_fixed

1055 = font->writing_direction_metrics[0].IsFixedPitch;

1056 font_info->font_bbox_lly = font->global_info.FontBBox_lly;

1057

1058 if (!font_cached)

1059 (void) afm_close_font (font);

1060

1061 /* Store font information to the AFM information cache. */

1062 if (!strhash_put (afm_info_cache, buffer_ptr (&fkey),

1063 strlen (buffer_ptr (&fkey)), font_info, NULL))

1064 font_info_cached = 0;

1065 }

1066

1067 /* Select character widths and types. */

1068 memcpy (font_widths, font_info->font_widths, 256 * sizeof (double));

1069 memcpy (font_ctype, font_info->font_ctype, 256);

1070

1071 font_is_fixed = font_info->font_is_fixed;

1072 font_bbox_lly = font_info->font_bbox_lly;

1073

1074 if (!font_info_cached)

1075 xfree (font_info);

1076

1077 buffer_uninit (&fkey);

1078 }

1079

1080

1081 void

1082 download_font (char *name)

1083 {

1084 AFMError error;

1085 const char *prefix;

1086 struct stat stat_st;

1087 Buffer fname;

1088 unsigned char buf[4096];

1089 FILE *fp;

1090 int i;

1091 char *cp;

1092

1093 /* Get font prefix. */

1094 error = afm_font_prefix (afm, name, &prefix);

1095 if (error != AFM_SUCCESS)

1096 /* Font is unknown, nothing to download. */

1097 return;

1098

1099 /* Check if we have a font description file. */

1100

1101 buffer_init (&fname);

1102

1103 /* .pfa */

1104 buffer_append (&fname, prefix);

1105 buffer_append (&fname, ".pfa");

1106 if (stat (buffer_ptr (&fname), &stat_st) != 0)

1107 {

1108 /* .pfb */

1109 buffer_clear (&fname);

1110 buffer_append (&fname, prefix);

1111 buffer_append (&fname, ".pfb");

1112 if (stat (buffer_ptr (&fname), &stat_st) != 0)

1113 {

1114 /* Couldn't find font description file, nothing to download. */

1115 buffer_uninit (&fname);

1116 return;

1117 }

1118 }

1119

1120 /* Ok, fine. Font was found. */

1121

1122 MESSAGE (1, (stderr, _("downloading font \"%s\"\n"), name));

1123 fp = fopen (buffer_ptr (&fname), "rb");

1124 if (fp == NULL)

1125 {

1126 MESSAGE (0, (stderr,

1127 _("couldn't open font description file \"%s\": %s\n"),

1128 buffer_ptr (&fname), strerror (errno)));

1129 buffer_uninit (&fname);

1130 return;

1131 }

1132 buffer_uninit (&fname);

1133

1134 /* Dump file. */

1135 fprintf (ofp, "%%%%BeginResource: font %s\n", name);

1136

1137 /* Check file type. */

1138 i = fgetc (fp);

1139 if (i == EOF)

1140 {

1141 /* Not much to do here. */

1142 ;

1143 }

1144 else if (i == 128)

1145 {

1146 int done = 0;

1147 unsigned int chunk;

1148 unsigned int to_read;

1149 int last_was_cr;

1150 int j;

1151

1152 /* IBM PC Format */

1153

1154 ungetc (i, fp);

1155

1156 while (!done)

1157 {

1158 /* Read 6-byte long header. */

1159 i = fread (buf, 1, 6, fp);

1160 if (i != 6)

1161 break;

1162

1163 chunk = buf[2] | (buf[3] << 8) | (buf[4] << 16) | (buf[5] << 24);

1164

1165 /* Check chunk type. */

1166 switch (buf[1])

1167 {

1168 case 1: /* ASCII */

1169 last_was_cr = 0;

1170 while (chunk > 0)

1171 {

1172 to_read = sizeof (buf) < chunk ? sizeof (buf) : chunk;

1173 i = fread (buf, 1, to_read, fp);

1174 if (i == 0)

1175 {

1176 done = 1;

1177 break;

1178 }

1179

1180 /* Check and fix Mac-newlines. */

1181 for (j = 0; j < i; j++)

1182 {

1183 if (j == 0 && last_was_cr && buf[0] != '\n')

1184 {

1185 fputc ('\n', ofp);

1186 fputc (buf[0], ofp);

1187 }

1188 else if (buf[j] == '\r' && j + 1 < i

1189 && buf[j + 1] != '\n')

1190 {

1191 fputc ('\n', ofp);

1192 }

1193 else if (buf[j] != '\r')

1194 fputc (buf[j], ofp);

1195 }

1196

1197 chunk -= i;

1198 last_was_cr = (buf[i - 1] == '\r');

1199 }

1200 break;

1201

1202 case 2: /* binary data */

1203 while (chunk > 0)

1204 {

1205 to_read = sizeof (buf) < chunk ? sizeof (buf) : chunk;

1206 i = fread (buf, 1, to_read, fp);

1207 if (i == 0)

1208 {

1209 done = 1;

1210 break;

1211 }

1212

1213 for (j = 0; j < i; j++)

1214 {

1215 fprintf (ofp, "%02X", buf[j]);

1216 if ((j + 1) % 32 == 0)

1217 fprintf (ofp, "\n");

1218 }

1219 chunk -= i;

1220 }

1221 break;

1222

1223 case 3: /* EOF */

1224 done = 1;

1225 break;

1226 }

1227

1228 /* Force a linebreak after each chunk. */

1229 fprintf (ofp, "\n");

1230 }

1231 }

1232 else

1233 {

1234 /* Plain ASCII. */

1235 ungetc (i, fp);

1236 while ((i = fread (buf, 1, sizeof (buf), fp)) != 0)

1237 fwrite (buf, 1, i, ofp);

1238 }

1239

1240 fprintf (ofp, "%%%%EndResource\n");

1241

1242 /* Remove font from needed resources. */

1243 (void) strhash_delete (res_fonts, name, strlen (name) + 1, (void **) &cp);

1244

1245 fclose (fp);

1246 }

1247

1248

1249 char *

1250 escape_string (char *string)

1251 {

1252 int i, j;

1253 int len;

1254 char *cp;

1255

1256 /* Count the length of the result string. */

1257 for (len = 0, i = 0; string[i]; i++)

1258 switch (string[i])

1259 {

1260 case '(':

1261 case ')':

1262 case '\\':

1263 len += 2;

1264 break;

1265

1266 default:

1267 len++;

1268 }

1269

1270 /* Create result. */

1271 cp = xmalloc (len + 1);

1272 if (cp == NULL)

1273 return NULL;

1274 for (i = 0, j = 0; string[i]; i++)

1275 switch (string[i])

1276 {

1277 case '(':

1278 case ')':

1279 case '\\':

1280 cp[j++] = '\\';

1281 /* FALLTHROUGH */

1282

1283 default:

1284 cp[j++] = string[i];

1285 break;

1286 }

1287 cp[j++] = '\0';

1288

1289 return cp;

1290 }

1291

1292 \f

1293

1294 /*

1295 * Help macros for the format_user_string() function.

1296 */

1297

1298 #define NEED_NBYTES(n) \

1299 do { \

1300 if (rbufpos + (n) >= rbuflen) \

1301 { \

1302 rbuflen += (n) + 1024; \

1303 rbuf = xrealloc (rbuf, rbuflen); \

1304 } \

1305 } while (0)

1306

1307 #define APPEND_CH(ch) \

1308 do { \

1309 int a; \

1310 NEED_NBYTES (width); \

1311 if (width && justification < 0) \

1312 rbuf[rbufpos++] = (ch); \

1313 for (a = 0; a < width - 1; a++) \

1314 rbuf[rbufpos++] = ' '; \

1315 if (!width || justification > 0) \

1316 rbuf[rbufpos++] = (ch); \

1317 } while (0)

1318

1319 #define APPEND_STR(str) \

1320 do { \

1321 int len = strlen ((str)); \

1322 int nspace; \

1323 \

1324 if (len > width) \

1325 nspace = 0; \

1326 else \

1327 nspace = width - len; \

1328 \

1329 NEED_NBYTES (nspace + len); \

1330 if (width && justification > 0) \

1331 for (; nspace; nspace--) \

1332 rbuf[rbufpos++] = ' '; \

1333 \

1334 memcpy (rbuf + rbufpos, str, len); \

1335 rbufpos += len; \

1336 \

1337 if (width && justification < 0) \

1338 for (; nspace; nspace--) \

1339 rbuf[rbufpos++] = ' '; \

1340 } while (0)

1341

1342 char *

1343 format_user_string (char *context_name, char *str)

1344 {

1345 char *cp;

1346 char *rbuf = NULL;

1347 int rbuflen = 0;

1348 int rbufpos = 0;

1349 int i = 0;

1350 int j;

1351 char buf[512];

1352 char buf2[512];

1353 int width = 0;

1354 int justification = 1;

1355

1356 /* Format string. */

1357 for (i = 0; str[i] != '\0'; i++)

1358 {

1359 int type;

1360

1361 type = str[i];

1362

1363 if (type == '%' || type == '$')

1364 {

1365 i++;

1366 width = 0;

1367 justification = 1;

1368

1369 /* Get optional width and justification. */

1370 if (str[i] == '-')

1371 {

1372 i++;

1373 justification = -1;

1374 }

1375 while (isdigit (str[i]))

1376 width = width * 10 + str[i++] - '0';

1377

1378 /* Handle escapes. */

1379 if (type == '%')

1380 {

1381 /* General state related %-escapes. */

1382 switch (str[i])

1383 {

1384 case '%': /* `%%' character `%' */

1385 APPEND_CH ('%');

1386 break;

1387

1388 case 'c': /* `%c' trailing component of pwd. */

1389 if (!getcwd (buf, sizeof (buf)))

1390 perror("getcwd");

1391 cp = strrchr (buf, '/');

1392 if (cp)

1393 cp++;

1394 else

1395 cp = buf;

1396 APPEND_STR (cp);

1397 break;

1398

1399 case 'C': /* `%C' runtime in `hh:mm:ss' format */

1400 sprintf (buf, "%02d:%02d:%02d", run_tm.tm_hour,

1401 run_tm.tm_min, run_tm.tm_sec);

1402 APPEND_STR (buf);

1403 break;

1404

1405 case 'd': /* `%d' current working directory */

1406 if (!getcwd (buf, sizeof (buf)))

1407 perror("getcwd");

1408 APPEND_STR (buf);

1409 break;

1410

1411 case 'D':

1412 if (str[i + 1] == '{')

1413 {

1414 /* `%D{}' format run date with strftime() */

1415 for (j = 0, i += 2;

1416 j < sizeof (buf2) && str[i] && str[i] != '}';

1417 i++, j++)

1418 buf2[j] = str[i];

1419 if (str[i] != '}')

1420 FATAL ((stderr,

1421 _("%s: too long format for %%D{} escape"),

1422 context_name));

1423

1424 buf2[j] = '\0';

1425 strftime (buf, sizeof (buf), buf2, &run_tm);

1426 }

1427 else

1428 {

1429 /* `%D' run date in `yy-mm-dd' format */

1430 sprintf (buf, "%02d-%02d-%02d", run_tm.tm_year % 100,

1431 run_tm.tm_mon + 1, run_tm.tm_mday);

1432 }

1433 APPEND_STR (buf);

1434 break;

1435

1436 case 'E': /* `%E' run date in `yy/mm/dd' format */

1437 sprintf (buf, "%02d/%02d/%02d", run_tm.tm_year % 100,

1438 run_tm.tm_mon + 1, run_tm.tm_mday);

1439 APPEND_STR (buf);

1440 break;

1441

1442 case 'F': /* `%F' run date in `dd.mm.yyyy' format */

1443 sprintf (buf, "%d.%d.%d",

1444 run_tm.tm_mday,

1445 run_tm.tm_mon + 1,

1446 run_tm.tm_year + 1900);

1447 APPEND_STR (buf);

1448 break;

1449

1450 case 'H': /* `%H' document title */

1451 APPEND_STR (title);

1452 break;

1453

1454 case 'm': /* `%m' the hostname up to the first `.' */

1455 (void) gethostname (buf, sizeof (buf));

1456 cp = strchr (buf, '.');

1457 if (cp)

1458 *cp = '\0';

1459 APPEND_STR (buf);

1460 break;

1461

1462 case 'M': /* `%M' the full hostname */

1463 (void) gethostname (buf, sizeof (buf));

1464 APPEND_STR (buf);

1465 break;

1466

1467 case 'n': /* `%n' username */

1468 APPEND_STR (passwd->pw_name);

1469 break;

1470

1471 case 'N': /* `%N' pw_gecos up to the first `,' char */

1472 strcpy (buf, passwd->pw_gecos);

1473 cp = strchr (buf, ',');

1474 if (cp)

1475 *cp = '\0';

1476 APPEND_STR (buf);

1477 break;

1478

1479 case 't': /* `%t' runtime in 12-hour am/pm format */

1480 sprintf (buf, "%d:%d%s",

1481 run_tm.tm_hour > 12

1482 ? run_tm.tm_hour - 12 : run_tm.tm_hour,

1483 run_tm.tm_min,

1484 run_tm.tm_hour > 12 ? "pm" : "am");

1485 APPEND_STR (buf);

1486 break;

1487

1488 case 'T': /* `%T' runtime in 24-hour format */

1489 sprintf (buf, "%d:%d", run_tm.tm_hour, run_tm.tm_min);

1490 APPEND_STR (buf);

1491 break;

1492

1493 case '*': /* `%*' runtime in 24-hour format with secs */

1494 sprintf (buf, "%d:%d:%d", run_tm.tm_hour, run_tm.tm_min,

1495 run_tm.tm_sec);

1496 APPEND_STR (buf);

1497 break;

1498

1499 case 'W': /* `%W' run date in `mm/dd/yy' format */

1500 sprintf (buf, "%02d/%02d/%02d", run_tm.tm_mon + 1,

1501 run_tm.tm_mday, run_tm.tm_year % 100);

1502 APPEND_STR (buf);

1503 break;

1504

1505 default:

1506 FATAL ((stderr, _("%s: unknown `%%' escape `%c' (%d)"),

1507 context_name, str[i], str[i]));

1508 break;

1509 }

1510 }

1511 else

1512 {

1513 /* Input file related $-escapes. */

1514 switch (str[i])

1515 {

1516 case '$': /* `$$' character `$' */

1517 APPEND_CH ('$');

1518 break;

1519

1520 case '%': /* `$%' current page number */

1521 if (slicing)

1522 sprintf (buf, "%d%c", current_pagenum, slice - 1 + 'A');

1523 else

1524 sprintf (buf, "%d", current_pagenum);

1525 APPEND_STR (buf);

1526 break;

1527

1528 case '=': /* `$=' number of pages in this file */

1529 APPEND_CH ('\001');

1530 break;

1531

1532 case 'p': /* `$p' number of pages processed so far */

1533 sprintf (buf, "%d", total_pages);

1534 APPEND_STR (buf);

1535 break;

1536

1537 case '(': /* $(ENVVAR) */

1538 for (j = 0, i++;

1539 str[i] && str[i] != ')' && j < sizeof (buf) - 1;

1540 i++)

1541 buf[j++] = str[i];

1542

1543 if (str[i] == '\0')

1544 FATAL ((stderr, _("%s: no closing ')' for $() escape"),

1545 context_name));

1546 if (str[i] != ')')

1547 FATAL ((stderr, _("%s: too long variable name for $() escape"),

1548 context_name));

1549

1550 buf[j] = '\0';

1551

1552 cp = getenv (buf);

1553 if (cp == NULL)

1554 cp = "";

1555 APPEND_STR (cp);

1556 break;

1557

1558 case 'C': /* `$C' modtime in `hh:mm:ss' format */

1559 sprintf (buf, "%02d:%02d:%02d", mod_tm.tm_hour,

1560 mod_tm.tm_min, mod_tm.tm_sec);

1561 APPEND_STR (buf);

1562 break;

1563

1564 case 'D':

1565 if (str[i + 1] == '{')

1566 {

1567 /* `$D{}' format modification date with strftime() */

1568 for (j = 0, i += 2;

1569 j < sizeof (buf2) && str[i] && str[i] != '}';

1570 i++, j++)

1571 buf2[j] = str[i];

1572 if (str[i] != '}')

1573 FATAL ((stderr,

1574 _("%s: too long format for $D{} escape"),

1575 context_name));

1576

1577 buf2[j] = '\0';

1578 strftime (buf, sizeof (buf), buf2, &mod_tm);

1579 }

1580 else

1581 {

1582 /* `$D' mod date in `yy-mm-dd' format */

1583 sprintf (buf, "%02d-%02d-%02d", mod_tm.tm_year % 100,

1584 mod_tm.tm_mon + 1, mod_tm.tm_mday);

1585 }

1586 APPEND_STR (buf);

1587 break;

1588

1589 case 'E': /* `$E' mod date in `yy/mm/dd' format */

1590 sprintf (buf, "%02d/%02d/%02d", mod_tm.tm_year % 100,

1591 mod_tm.tm_mon + 1, mod_tm.tm_mday);

1592 APPEND_STR (buf);

1593 break;

1594

1595 case 'F': /* `$F' run date in `dd.mm.yyyy' format */

1596 sprintf (buf, "%d.%d.%d",

1597 mod_tm.tm_mday,

1598 mod_tm.tm_mon + 1,

1599 mod_tm.tm_year + 1900);

1600 APPEND_STR (buf);

1601 break;

1602

1603 case 't': /* `$t' runtime in 12-hour am/pm format */

1604 sprintf (buf, "%d:%d%s",

1605 mod_tm.tm_hour > 12

1606 ? mod_tm.tm_hour - 12 : mod_tm.tm_hour,

1607 mod_tm.tm_min,

1608 mod_tm.tm_hour > 12 ? "pm" : "am");

1609 APPEND_STR (buf);

1610 break;

1611

1612 case 'T': /* `$T' runtime in 24-hour format */

1613 sprintf (buf, "%d:%d", mod_tm.tm_hour, mod_tm.tm_min);

1614 APPEND_STR (buf);

1615 break;

1616

1617 case '*': /* `$*' runtime in 24-hour format with secs */

1618 sprintf (buf, "%d:%d:%d", mod_tm.tm_hour, mod_tm.tm_min,

1619 mod_tm.tm_sec);

1620 APPEND_STR (buf);

1621 break;

1622

1623 case 'v': /* `$v': input file number */

1624 sprintf (buf, "%d", input_filenum);

1625 APPEND_STR (buf);

1626 break;

1627

1628 case 'V': /* `$V': input file number in --toc format */

1629 if (toc)

1630 {

1631 sprintf (buf, "%d-", input_filenum);

1632 APPEND_STR (buf);

1633 }

1634 break;

1635

1636 case 'W': /* `$W' run date in `mm/dd/yy' format */

1637 sprintf (buf, "%02d/%02d/%02d", mod_tm.tm_mon + 1,

1638 mod_tm.tm_mday, mod_tm.tm_year % 100);

1639 APPEND_STR (buf);

1640 break;

1641

1642 case 'N': /* `$N' the full name of the printed file */

1643 APPEND_STR (fname);

1644 break;

1645

1646 case 'n': /* `$n' input file name without directory */

1647 cp = strrchr (fname, '/');

1648 if (cp)

1649 cp++;

1650 else

1651 cp = fname;

1652 APPEND_STR (cp);

1653 break;

1654

1655 case 'L': /* `$L' number of lines in this file. */

1656 /* This is valid only for TOC-strings. */

1657 sprintf (buf, "%d", current_file_linenum - 1);

1658 APPEND_STR (buf);

1659 break;

1660

1661 default:

1662 FATAL ((stderr, _("%s: unknown `$' escape `%c' (%d)"),

1663 context_name, str[i], str[i]));

1664 break;

1665 }

1666 }

1667 /* Reset width so the else-arm goes ok at the next round. */

1668 width = 0;

1669 justification = 1;

1670 }

1671 else

1672 APPEND_CH (str[i]);

1673 }

1674 APPEND_CH ('\0');

1675

1676 /* Escape PS specials. */

1677 cp = escape_string (rbuf);

1678 xfree (rbuf);

1679

1680 return cp;

1681 }

1682

1683 \f

1684 void

1685 parse_key_value_pair (StringHashPtr set, char *kv)

1686 {

1687 char *cp;

1688 Buffer key;

1689

1690 cp = strchr (kv, ':');

1691 if (cp == NULL)

1692 {

1693 if (strhash_delete (set, kv, strlen (kv) + 1, (void **) &cp))

1694 xfree (cp);

1695 }

1696 else

1697 {

1698 buffer_init (&key);

1699 buffer_append_len (&key, kv, cp - kv);

1700

1701 strhash_put (set, buffer_ptr (&key), strlen (buffer_ptr (&key)) + 1,

1702 xstrdup (cp + 1), (void **) &cp);

1703 if (cp)

1704 xfree (cp);

1705

1706 buffer_uninit (&key);

1707 }

1708 }

1709

1710

1711 int

1712 count_key_value_set (StringHashPtr set)

1713 {

1714 int i = 0, got, j;

1715 char *cp;

1716 void *value;

1717

1718 for (got = strhash_get_first (set, &cp, &j, &value); got;

1719 got = strhash_get_next (set, &cp, &j, &value))

1720 i++;

1721

1722 return i;

1723 }

1724

1725

1726 int

1727 pathwalk (char *path, PathWalkProc proc, void *context)

1728 {

1729 char buf[512];

1730 char *cp;

1731 char *cp2;

1732 int len, i;

1733

1734 for (cp = path; cp; cp = strchr (cp, PATH_SEPARATOR))

1735 {

1736 if (cp != path)

1737 cp++;

1738

1739 cp2 = strchr (cp, PATH_SEPARATOR);

1740 if (cp2)

1741 len = cp2 - cp;

1742 else

1743 len = strlen (cp);

1744

1745 memcpy (buf, cp, len);

1746 buf[len] = '\0';

1747

1748 i = (*proc) (buf, context);

1749 if (i != 0)

1750 return i;

1751 }

1752

1753 return 0;

1754 }

1755

1756

1757 int

1758 file_lookup (char *path, void *context)

1759 {

1760 int len;

1761 FileLookupCtx *ctx = context;

1762 struct stat stat_st;

1763 int i;

1764

1765 MESSAGE (2, (stderr, "file_lookup(): %s/%s%s\t", path, ctx->name,

1766 ctx->suffix));

1767

1768 len = strlen (path);

1769 if (len && path[len - 1] == '/')

1770 len--;

1771

1772 buffer_clear (ctx->fullname);

1773 buffer_append_len (ctx->fullname, path, len);

1774 buffer_append (ctx->fullname, "/");

1775 buffer_append (ctx->fullname, ctx->name);

1776 buffer_append (ctx->fullname, ctx->suffix);

1777

1778 i = stat (buffer_ptr (ctx->fullname), &stat_st) == 0;

1779

1780 MESSAGE (2, (stderr, "#%c\n", i ? 't' : 'f'));

1781

1782 return i;

1783 }

1784

1785

1786 char *

1787 tilde_subst (char *fname)

1788 {

1789 char *cp;

1790 int i;

1791 struct passwd *pswd;

1792 Buffer buffer;

1793 char *result;

1794

1795 if (fname[0] != '~')

1796 return xstrdup (fname);

1797

1798 if (fname[1] == '/' || fname[1] == '\0')

1799 {

1800 /* The the user's home directory from the `HOME' environment

1801 variable. */

1802 cp = getenv ("HOME");

1803 if (cp == NULL)

1804 return xstrdup (fname);

1805

1806 buffer_init (&buffer);

1807 buffer_append (&buffer, cp);

1808 buffer_append (&buffer, fname + 1);

1809

1810 result = buffer_copy (&buffer);

1811 buffer_uninit (&buffer);

1812

1813 return result;

1814 }

1815

1816 /* Get user's login name. */

1817 for (i = 1; fname[i] && fname[i] != '/'; i++)

1818 ;

1819

1820 buffer_init (&buffer);

1821 buffer_append_len (&buffer, fname + 1, i - 1);

1822

1823 pswd = getpwnam (buffer_ptr (&buffer));

1824 buffer_uninit (&buffer);

1825

1826 if (pswd)

1827 {

1828 /* Found passwd entry. */

1829 buffer_init (&buffer);

1830 buffer_append (&buffer, pswd->pw_dir);

1831 buffer_append (&buffer, fname + i);

1832

1833 result = buffer_copy (&buffer);

1834 buffer_uninit (&buffer);

1835

1836 return result;

1837 }

1838

1839 /* No match found. */

1840 return xstrdup (fname);

1841 }

1842

1843

1844 double

1845 parse_float (char *string, int units, int horizontal)

1846 {

1847 double val;

1848 char *end;

1849

1850 val = strtod (string, &end);

1851 if (end == string)

1852 malformed_float:

1853 ERROR ((stderr, _("malformed float dimension: \"%s\""), string));

1854

1855 if (units)

1856 {

1857 switch (*end)

1858 {

1859 case 'c':

1860 val *= 72 / 2.54;

1861 break;

1862

1863 case 'p':

1864 break;

1865

1866 case 'i':

1867 val *= 72;

1868 break;

1869

1870 case '\0':

1871 /* FALLTHROUGH */

1872

1873 case 'l':

1874 if (horizontal)

1875 val *= FNT_CHAR_WIDTH ('m');

1876 else

1877 val *= LINESKIP;

1878 break;

1879

1880 default:

1881 goto malformed_float;

1882 break;

1883 }

1884 }

1885 else

1886 {

1887 if (*end != '\0')

1888 goto malformed_float;

1889 }

1890

1891 return val;

1892 }

1893

1894 \f

1895 /*

1896 * InputStream functions.

1897 */

1898

1899 int

1900 is_open (InputStream *is, FILE *fp, char *fname, char *input_filter)

1901 {

1902 /* Init stream variables. */

1903 is->data_in_buf = 0;

1904 is->bufpos = 0;

1905 is->nreads = 0;

1906 is->unget_ch = NULL;

1907 is->unget_pos = 0;

1908 is->unget_alloc = 0;

1909

1910 /* Input filter? */

1911 if (input_filter)

1912 {

1913 char *cmd = NULL;

1914 int cmdlen;

1915 int i, pos;

1916 char *cp;

1917

1918 is->is_pipe = 1;

1919

1920 if (fname == NULL)

1921 fname = input_filter_stdin;

1922

1923 /*

1924 * Count the initial command length, this will grow dynamically

1925 * when file specifier `%s' is encountered from <input_filter>.

1926 */

1927 cmdlen = strlen (input_filter) + 1;

1928 cmd = xmalloc (cmdlen);

1929

1930 /* Create filter command. */

1931 pos = 0;

1932 for (i = 0; input_filter[i]; i++)

1933 {

1934 if (input_filter[i] == '%')

1935 {

1936 switch (input_filter[i + 1])

1937 {

1938 case 's':

1939 /* Expand cmd-buffer. */

1940 if ((cp = shell_escape (fname)) != NULL)

1941 {

1942 cmdlen += strlen (cp);

1943 cmd = xrealloc (cmd, cmdlen);

1944

1945 /* Paste filename. */

1946 strcpy (cmd + pos, cp);

1947 pos += strlen (cp);

1948 free (cp);

1949 }

1950

1951 i++;

1952 break;

1953

1954 case '%':

1955 cmd[pos++] = '%';

1956 i++;

1957 break;

1958

1959 default:

1960 cmd[pos++] = input_filter[i];

1961 break;

1962 }

1963 }

1964 else

1965 cmd[pos++] = input_filter[i];

1966 }

1967 cmd[pos++] = '\0';

1968

1969 is->fp = popen (cmd, "r");

1970 xfree (cmd);

1971

1972 if (is->fp == NULL)

1973 {

1974 ERROR ((stderr,

1975 _("couldn't open input filter \"%s\" for file \"%s\": %s"),

1976 input_filter, fname ? fname : "(stdin)",

1977 strerror (errno)));

1978 return 0;

1979 }

1980 }

1981 else

1982 {

1983 /* Just open the stream. */

1984 is->is_pipe = 0;

1985 if (fp)

1986 is->fp = fp;

1987 else

1988 {

1989 is->fp = fopen (fname, "rb");

1990 if (is->fp == NULL)

1991 {

1992 ERROR ((stderr, _("couldn't open input file \"%s\": %s"), fname,

1993 strerror (errno)));

1994 return 0;

1995 }

1996 }

1997 }

1998

1999 return 1;

2000 }

2001

2002

2003 void

2004 is_close (InputStream *is)

2005 {

2006 if (is->is_pipe)

2007 pclose (is->fp);

2008 else

2009 fclose (is->fp);

2010

2011 if (is->unget_ch)

2012 xfree (is->unget_ch);

2013 }

2014

2015

2016 int

2017 is_getc (InputStream *is)

2018 {

2019 int ch;

2020

2021 if (is->unget_pos > 0)

2022 {

2023 ch = is->unget_ch[--is->unget_pos];

2024 return ch;

2025 }

2026

2027 retry:

2028

2029 /* Do we have any data left? */

2030 if (is->bufpos >= is->data_in_buf)

2031 {

2032 /* At the EOF? */

2033 if (is->nreads > 0 && is->data_in_buf < sizeof (is->buf))

2034 /* Yes. */

2035 return EOF;

2036

2037 /* Read more data. */

2038 is->data_in_buf = fread (is->buf, 1, sizeof (is->buf), is->fp);

2039 is->bufpos = 0;

2040 is->nreads++;

2041

2042 goto retry;

2043 }

2044

2045 return is->buf[is->bufpos++];

2046 }

2047

2048

2049 int

2050 is_ungetc (int ch, InputStream *is)

2051 {

2052 if (is->unget_pos >= is->unget_alloc)

2053 {

2054 is->unget_alloc += 1024;

2055 is->unget_ch = xrealloc (is->unget_ch, is->unget_alloc);

2056 }

2057

2058 is->unget_ch[is->unget_pos++] = ch;

2059

2060 return 1;

2061 }

2062

2063 \f

2064 /*

2065 * Buffer Functions.

2066 */

2067

2068 void

2069 buffer_init (Buffer *buffer)

2070 {

2071 buffer->allocated = 128;

2072 buffer->data = xmalloc (buffer->allocated);

2073 buffer->data[0] = '\0';

2074 buffer->len = 0;

2075 }

2076

2077

2078 void

2079 buffer_uninit (Buffer *buffer)

2080 {

2081 xfree (buffer->data);

2082 }

2083

2084

2085 Buffer *

2086 buffer_alloc ()

2087 {

2088 Buffer *buffer = (Buffer *) xcalloc (1, sizeof (Buffer));

2089

2090 buffer_init (buffer);

2091

2092 return buffer;

2093 }

2094

2095

2096 void

2097 buffer_free (Buffer *buffer)

2098 {

2099 buffer_uninit (buffer);

2100 xfree (buffer);

2101 }

2102

2103

2104 void

2105 buffer_append (Buffer *buffer, const char *data)

2106 {

2107 buffer_append_len (buffer, data, strlen (data));

2108 }

2109

2110

2111 void

2112 buffer_append_len (Buffer *buffer, const char *data, size_t len)

2113 {

2114 if (buffer->len + len + 1 >= buffer->allocated)

2115 {

2116 buffer->allocated = buffer->len + len + 1024;

2117 buffer->data = xrealloc (buffer->data, buffer->allocated);

2118 }

2119

2120 memcpy (buffer->data + buffer->len, data, len);

2121 buffer->len += len;

2122

2123 buffer->data[buffer->len] = '\0';

2124 }

2125

2126

2127 char *

2128 buffer_copy (Buffer *buffer)

2129 {

2130 char *copy = xmalloc (buffer->len + 1);

2131

2132 memcpy (copy, buffer->data, buffer->len + 1);

2133

2134 return copy;

2135 }

2136

2137

2138 void

2139 buffer_clear (Buffer *buffer)

2140 {

2141 buffer->len = 0;

2142 buffer->data[0] = '\0';

2143 }

2144

2145

2146 char *

2147 buffer_ptr (Buffer *buffer)

2148 {

2149 return buffer->data;

2150 }

2151

2152

2153 size_t

2154 buffer_len (Buffer *buffer)

2155 {

2156 return buffer->len;

2157 }

2158

2159 /*

2160 * Escapes the name of a file so that the shell groks it in 'single'

2161 * quotation marks. The resulting pointer has to be free()ed when not

2162 * longer used.

2163 */

2164 char *

2165 shell_escape(const char *fn)

2166 {

2167 size_t len = 0;

2168 const char *inp;

2169 char *retval, *outp;

2170

2171 for(inp = fn; *inp; ++inp)

2172 switch(*inp)

2173 {

2174 case '\'': len += 4; break;

2175 default: len += 1; break;

2176 }

2177

2178 outp = retval = malloc(len + 1);

2179 if(!outp)

2180 return NULL; /* perhaps one should do better error handling here */

2181 for(inp = fn; *inp; ++inp)

2182 switch(*inp)

2183 {

2184 case '\'': *outp++ = '\''; *outp++ = '\\'; *outp++ = '\'', *outp++ = '\''; break;

2185 default: *outp++ = *inp; break;

2186 }

2187 *outp = 0;

2188

2189 return retval;

2190 }