Annotation of mandoc/term_ps.c, Revision 1.13
1.13 ! kristaps 1: /* $Id: term_ps.c,v 1.12 2010/06/25 19:50:23 kristaps Exp $ */
1.1 kristaps 2: /*
1.10 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
20:
1.4 kristaps 21: #include <sys/param.h>
22:
1.2 kristaps 23: #include <assert.h>
1.4 kristaps 24: #include <stdarg.h>
1.2 kristaps 25: #include <stdio.h>
1.1 kristaps 26: #include <stdlib.h>
1.4 kristaps 27: #include <string.h>
1.13 ! kristaps 28: #include <time.h>
1.1 kristaps 29:
30: #include "out.h"
31: #include "main.h"
32: #include "term.h"
33:
1.13 ! kristaps 34: struct glyph {
! 35: int wx; /* WX in AFM */
! 36: };
! 37:
! 38: #define MAXCHAR 95
! 39:
! 40: struct font {
! 41: const char *name; /* FontName in AFM */
! 42: struct glyph gly[MAXCHAR]; /* glyph metrics */
! 43: };
! 44:
! 45: /*
! 46: * We define, for the time being, three fonts: bold, oblique/italic, and
! 47: * normal (roman). The following table hard-codes the font metrics for
! 48: * ASCII, i.e., 32--127.
! 49: */
! 50:
! 51: static const struct font fonts[3] = {
! 52: { "Courier", {
! 53: { 600 },
! 54: { 600 },
! 55: { 600 },
! 56: { 600 },
! 57: { 600 },
! 58: { 600 },
! 59: { 600 },
! 60: { 600 },
! 61: { 600 },
! 62: { 600 },
! 63: { 600 },
! 64: { 600 },
! 65: { 600 },
! 66: { 600 },
! 67: { 600 },
! 68: { 600 },
! 69: { 600 },
! 70: { 600 },
! 71: { 600 },
! 72: { 600 },
! 73: { 600 },
! 74: { 600 },
! 75: { 600 },
! 76: { 600 },
! 77: { 600 },
! 78: { 600 },
! 79: { 600 },
! 80: { 600 },
! 81: { 600 },
! 82: { 600 },
! 83: { 600 },
! 84: { 600 },
! 85: { 600 },
! 86: { 600 },
! 87: { 600 },
! 88: { 600 },
! 89: { 600 },
! 90: { 600 },
! 91: { 600 },
! 92: { 600 },
! 93: { 600 },
! 94: { 600 },
! 95: { 600 },
! 96: { 600 },
! 97: { 600 },
! 98: { 600 },
! 99: { 600 },
! 100: { 600 },
! 101: { 600 },
! 102: { 600 },
! 103: { 600 },
! 104: { 600 },
! 105: { 600 },
! 106: { 600 },
! 107: { 600 },
! 108: { 600 },
! 109: { 600 },
! 110: { 600 },
! 111: { 600 },
! 112: { 600 },
! 113: { 600 },
! 114: { 600 },
! 115: { 600 },
! 116: { 600 },
! 117: { 600 },
! 118: { 600 },
! 119: { 600 },
! 120: { 600 },
! 121: { 600 },
! 122: { 600 },
! 123: { 600 },
! 124: { 600 },
! 125: { 600 },
! 126: { 600 },
! 127: { 600 },
! 128: { 600 },
! 129: { 600 },
! 130: { 600 },
! 131: { 600 },
! 132: { 600 },
! 133: { 600 },
! 134: { 600 },
! 135: { 600 },
! 136: { 600 },
! 137: { 600 },
! 138: { 600 },
! 139: { 600 },
! 140: { 600 },
! 141: { 600 },
! 142: { 600 },
! 143: { 600 },
! 144: { 600 },
! 145: { 600 },
! 146: { 600 },
! 147: { 600 },
! 148: } },
! 149: { "Courier-Bold", {
! 150: { 600 },
! 151: { 600 },
! 152: { 600 },
! 153: { 600 },
! 154: { 600 },
! 155: { 600 },
! 156: { 600 },
! 157: { 600 },
! 158: { 600 },
! 159: { 600 },
! 160: { 600 },
! 161: { 600 },
! 162: { 600 },
! 163: { 600 },
! 164: { 600 },
! 165: { 600 },
! 166: { 600 },
! 167: { 600 },
! 168: { 600 },
! 169: { 600 },
! 170: { 600 },
! 171: { 600 },
! 172: { 600 },
! 173: { 600 },
! 174: { 600 },
! 175: { 600 },
! 176: { 600 },
! 177: { 600 },
! 178: { 600 },
! 179: { 600 },
! 180: { 600 },
! 181: { 600 },
! 182: { 600 },
! 183: { 600 },
! 184: { 600 },
! 185: { 600 },
! 186: { 600 },
! 187: { 600 },
! 188: { 600 },
! 189: { 600 },
! 190: { 600 },
! 191: { 600 },
! 192: { 600 },
! 193: { 600 },
! 194: { 600 },
! 195: { 600 },
! 196: { 600 },
! 197: { 600 },
! 198: { 600 },
! 199: { 600 },
! 200: { 600 },
! 201: { 600 },
! 202: { 600 },
! 203: { 600 },
! 204: { 600 },
! 205: { 600 },
! 206: { 600 },
! 207: { 600 },
! 208: { 600 },
! 209: { 600 },
! 210: { 600 },
! 211: { 600 },
! 212: { 600 },
! 213: { 600 },
! 214: { 600 },
! 215: { 600 },
! 216: { 600 },
! 217: { 600 },
! 218: { 600 },
! 219: { 600 },
! 220: { 600 },
! 221: { 600 },
! 222: { 600 },
! 223: { 600 },
! 224: { 600 },
! 225: { 600 },
! 226: { 600 },
! 227: { 600 },
! 228: { 600 },
! 229: { 600 },
! 230: { 600 },
! 231: { 600 },
! 232: { 600 },
! 233: { 600 },
! 234: { 600 },
! 235: { 600 },
! 236: { 600 },
! 237: { 600 },
! 238: { 600 },
! 239: { 600 },
! 240: { 600 },
! 241: { 600 },
! 242: { 600 },
! 243: { 600 },
! 244: { 600 },
! 245: } },
! 246: { "Courier-Oblique", {
! 247: { 600 },
! 248: { 600 },
! 249: { 600 },
! 250: { 600 },
! 251: { 600 },
! 252: { 600 },
! 253: { 600 },
! 254: { 600 },
! 255: { 600 },
! 256: { 600 },
! 257: { 600 },
! 258: { 600 },
! 259: { 600 },
! 260: { 600 },
! 261: { 600 },
! 262: { 600 },
! 263: { 600 },
! 264: { 600 },
! 265: { 600 },
! 266: { 600 },
! 267: { 600 },
! 268: { 600 },
! 269: { 600 },
! 270: { 600 },
! 271: { 600 },
! 272: { 600 },
! 273: { 600 },
! 274: { 600 },
! 275: { 600 },
! 276: { 600 },
! 277: { 600 },
! 278: { 600 },
! 279: { 600 },
! 280: { 600 },
! 281: { 600 },
! 282: { 600 },
! 283: { 600 },
! 284: { 600 },
! 285: { 600 },
! 286: { 600 },
! 287: { 600 },
! 288: { 600 },
! 289: { 600 },
! 290: { 600 },
! 291: { 600 },
! 292: { 600 },
! 293: { 600 },
! 294: { 600 },
! 295: { 600 },
! 296: { 600 },
! 297: { 600 },
! 298: { 600 },
! 299: { 600 },
! 300: { 600 },
! 301: { 600 },
! 302: { 600 },
! 303: { 600 },
! 304: { 600 },
! 305: { 600 },
! 306: { 600 },
! 307: { 600 },
! 308: { 600 },
! 309: { 600 },
! 310: { 600 },
! 311: { 600 },
! 312: { 600 },
! 313: { 600 },
! 314: { 600 },
! 315: { 600 },
! 316: { 600 },
! 317: { 600 },
! 318: { 600 },
! 319: { 600 },
! 320: { 600 },
! 321: { 600 },
! 322: { 600 },
! 323: { 600 },
! 324: { 600 },
! 325: { 600 },
! 326: { 600 },
! 327: { 600 },
! 328: { 600 },
! 329: { 600 },
! 330: { 600 },
! 331: { 600 },
! 332: { 600 },
! 333: { 600 },
! 334: { 600 },
! 335: { 600 },
! 336: { 600 },
! 337: { 600 },
! 338: { 600 },
! 339: { 600 },
! 340: { 600 },
! 341: { 600 },
! 342: } },
! 343: };
! 344:
1.2 kristaps 345: #define PS_CHAR_HEIGHT 12
346: #define PS_CHAR_TOPMARG (792 - 24)
347: #define PS_CHAR_TOP (PS_CHAR_TOPMARG - 36)
348: #define PS_CHAR_LEFT 36
349: #define PS_CHAR_BOTMARG 24
350: #define PS_CHAR_BOT (PS_CHAR_BOTMARG + 36)
351:
1.4 kristaps 352: #define PS_BUFSLOP 128
353: #define PS_GROWBUF(p, sz) \
354: do if ((p)->engine.ps.psmargcur + (sz) > \
355: (p)->engine.ps.psmargsz) { \
356: (p)->engine.ps.psmargsz += /* CONSTCOND */ \
357: MAX(PS_BUFSLOP, (sz)); \
358: (p)->engine.ps.psmarg = realloc \
359: ((p)->engine.ps.psmarg, \
360: (p)->engine.ps.psmargsz); \
361: if (NULL == (p)->engine.ps.psmarg) { \
362: perror(NULL); \
363: exit(EXIT_FAILURE); \
364: } \
365: } while (/* CONSTCOND */ 0)
366:
1.9 kristaps 367:
1.2 kristaps 368: static void ps_letter(struct termp *, char);
369: static void ps_begin(struct termp *);
370: static void ps_end(struct termp *);
371: static void ps_advance(struct termp *, size_t);
372: static void ps_endline(struct termp *);
1.9 kristaps 373: static void ps_fclose(struct termp *);
1.11 kristaps 374: static size_t ps_width(const struct termp *, char);
1.9 kristaps 375: static void ps_pclose(struct termp *);
1.13 ! kristaps 376: static void ps_pletter(struct termp *, int);
1.4 kristaps 377: static void ps_printf(struct termp *, const char *, ...);
378: static void ps_putchar(struct termp *, char);
1.9 kristaps 379: static void ps_setfont(struct termp *, enum termfont);
1.2 kristaps 380:
381:
1.1 kristaps 382: void *
383: ps_alloc(void)
384: {
385: struct termp *p;
386:
387: if (NULL == (p = term_alloc(TERMENC_ASCII)))
388: return(NULL);
389:
1.11 kristaps 390: p->defrmargin = 78;
391: p->tabwidth = 5;
392:
1.1 kristaps 393: p->type = TERMTYPE_PS;
1.2 kristaps 394: p->letter = ps_letter;
395: p->begin = ps_begin;
396: p->end = ps_end;
397: p->advance = ps_advance;
398: p->endline = ps_endline;
1.11 kristaps 399: p->width = ps_width;
1.1 kristaps 400: return(p);
401: }
402:
403:
404: void
405: ps_free(void *arg)
406: {
1.4 kristaps 407: struct termp *p;
408:
409: p = (struct termp *)arg;
410:
411: if (p->engine.ps.psmarg)
412: free(p->engine.ps.psmarg);
413:
414: term_free(p);
415: }
416:
417:
418: static void
419: ps_printf(struct termp *p, const char *fmt, ...)
420: {
421: va_list ap;
422: int pos;
423:
424: va_start(ap, fmt);
425:
426: /*
427: * If we're running in regular mode, then pipe directly into
428: * vprintf(). If we're processing margins, then push the data
429: * into our growable margin buffer.
430: */
1.1 kristaps 431:
1.4 kristaps 432: if ( ! (PS_MARGINS & p->engine.ps.psstate)) {
433: vprintf(fmt, ap);
434: va_end(ap);
435: return;
436: }
437:
438: /*
439: * XXX: I assume that the in-margin print won't exceed
440: * PS_BUFSLOP (128 bytes), which is reasonable but still an
441: * assumption that will cause pukeage if it's not the case.
442: */
443:
444: PS_GROWBUF(p, PS_BUFSLOP);
445:
446: pos = (int)p->engine.ps.psmargcur;
447: vsnprintf(&p->engine.ps.psmarg[pos], PS_BUFSLOP, fmt, ap);
448: p->engine.ps.psmargcur = strlen(p->engine.ps.psmarg);
1.5 kristaps 449:
450: va_end(ap);
1.4 kristaps 451: }
452:
453:
454: static void
455: ps_putchar(struct termp *p, char c)
456: {
457: int pos;
458:
459: /* See ps_printf(). */
460:
461: if ( ! (PS_MARGINS & p->engine.ps.psstate)) {
462: putchar(c);
463: return;
464: }
465:
466: PS_GROWBUF(p, 2);
467:
468: pos = (int)p->engine.ps.psmargcur++;
1.5 kristaps 469: p->engine.ps.psmarg[pos++] = c;
1.4 kristaps 470: p->engine.ps.psmarg[pos] = '\0';
1.2 kristaps 471: }
472:
473:
1.3 kristaps 474: /* ARGSUSED */
1.2 kristaps 475: static void
476: ps_end(struct termp *p)
477: {
478:
1.4 kristaps 479: /*
480: * At the end of the file, do one last showpage. This is the
481: * same behaviour as groff(1) and works for multiple pages as
482: * well as just one.
483: */
484:
1.8 kristaps 485: assert(0 == p->engine.ps.psstate);
486: assert('\0' == p->engine.ps.last);
1.4 kristaps 487: assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]);
488: printf("%s", p->engine.ps.psmarg);
489: printf("showpage\n");
1.2 kristaps 490: printf("%s\n", "%%EOF");
491: }
492:
493:
494: static void
495: ps_begin(struct termp *p)
496: {
1.13 ! kristaps 497: time_t t;
1.2 kristaps 498:
1.9 kristaps 499: /*
500: * Print margins into margin buffer. Nothing gets output to the
501: * screen yet, so we don't need to initialise the primary state.
1.2 kristaps 502: */
503:
1.4 kristaps 504: if (p->engine.ps.psmarg) {
505: assert(p->engine.ps.psmargsz);
506: p->engine.ps.psmarg[0] = '\0';
507: }
508:
509: p->engine.ps.psmargcur = 0;
1.9 kristaps 510: p->engine.ps.psstate = PS_MARGINS;
1.4 kristaps 511: p->engine.ps.pscol = PS_CHAR_LEFT;
512: p->engine.ps.psrow = PS_CHAR_TOPMARG;
513:
1.9 kristaps 514: ps_setfont(p, TERMFONT_NONE);
1.4 kristaps 515:
516: (*p->headf)(p, p->argf);
517: (*p->endline)(p);
518:
519: p->engine.ps.pscol = PS_CHAR_LEFT;
520: p->engine.ps.psrow = PS_CHAR_BOTMARG;
521:
522: (*p->footf)(p, p->argf);
523: (*p->endline)(p);
524:
525: p->engine.ps.psstate &= ~PS_MARGINS;
1.9 kristaps 526:
1.4 kristaps 527: assert(0 == p->engine.ps.psstate);
1.9 kristaps 528: assert(p->engine.ps.psmarg);
529: assert('\0' != p->engine.ps.psmarg[0]);
530:
531: /*
532: * Print header and initialise page state. Following this,
533: * stuff gets printed to the screen, so make sure we're sane.
534: */
1.4 kristaps 535:
1.13 ! kristaps 536: t = time(NULL);
! 537:
! 538: printf("%%!PS\n");
! 539: printf("%%%%Creator: mandoc-%s\n", VERSION);
! 540: printf("%%%%CreationDate: %s", ctime(&t));
! 541: printf("%%%%PageOrder: Ascend\n");
! 542: printf("%%%%Orientation: Portrait\n");
! 543: printf("%%%%EndComments\n");
! 544:
1.9 kristaps 545: ps_setfont(p, TERMFONT_NONE);
1.4 kristaps 546: p->engine.ps.pscol = PS_CHAR_LEFT;
547: p->engine.ps.psrow = PS_CHAR_TOP;
1.2 kristaps 548: }
549:
550:
551: static void
1.13 ! kristaps 552: ps_pletter(struct termp *p, int c)
1.2 kristaps 553: {
554:
1.9 kristaps 555: /*
556: * If we're not in a PostScript "word" context, then open one
557: * now at the current cursor.
558: */
559:
1.2 kristaps 560: if ( ! (PS_INLINE & p->engine.ps.psstate)) {
1.4 kristaps 561: ps_printf(p, "%zu %zu moveto\n(",
1.2 kristaps 562: p->engine.ps.pscol,
563: p->engine.ps.psrow);
564: p->engine.ps.psstate |= PS_INLINE;
565: }
566:
567: /*
568: * We need to escape these characters as per the PostScript
569: * specification. We would also escape non-graphable characters
570: * (like tabs), but none of them would get to this point and
571: * it's superfluous to abort() on them.
572: */
573:
574: switch (c) {
575: case ('('):
576: /* FALLTHROUGH */
577: case (')'):
578: /* FALLTHROUGH */
579: case ('\\'):
1.4 kristaps 580: ps_putchar(p, '\\');
1.2 kristaps 581: break;
582: default:
583: break;
584: }
585:
586: /* Write the character and adjust where we are on the page. */
1.9 kristaps 587:
1.13 ! kristaps 588: /*
! 589: * FIXME: at this time we emit only blacnks on non-ASCII
! 590: * letters.
! 591: */
! 592:
! 593: if (c < 32 || (c - 32 > MAXCHAR)) {
! 594: ps_putchar(p, ' ');
! 595: p->engine.ps.pscol +=
! 596: (fonts[p->engine.ps.lastf].gly[32].wx / 100);
! 597: return;
! 598: }
! 599:
1.4 kristaps 600: ps_putchar(p, c);
1.13 ! kristaps 601: p->engine.ps.pscol +=
! 602: (fonts[p->engine.ps.lastf].gly[(int)c - 32].wx / 100);
1.2 kristaps 603: }
604:
605:
606: static void
1.9 kristaps 607: ps_pclose(struct termp *p)
608: {
609:
610: /*
611: * Spit out that we're exiting a word context (this is a
612: * "partial close" because we don't check the last-char buffer
613: * or anything).
614: */
615:
616: if ( ! (PS_INLINE & p->engine.ps.psstate))
617: return;
618:
619: ps_printf(p, ") show\n");
620: p->engine.ps.psstate &= ~PS_INLINE;
621: }
622:
623:
624: static void
625: ps_fclose(struct termp *p)
626: {
627:
628: /*
629: * Strong closure: if we have a last-char, spit it out after
630: * checking that we're in the right font mode. This will of
631: * course open a new scope, if applicable.
632: *
633: * Following this, close out any scope that's open.
634: */
635:
636: if ('\0' != p->engine.ps.last) {
637: if (p->engine.ps.lastf != TERMFONT_NONE) {
638: ps_pclose(p);
639: ps_setfont(p, TERMFONT_NONE);
640: }
641: ps_pletter(p, p->engine.ps.last);
642: p->engine.ps.last = '\0';
643: }
644:
645: if ( ! (PS_INLINE & p->engine.ps.psstate))
646: return;
647:
648: ps_pclose(p);
649: }
650:
651:
652: static void
1.8 kristaps 653: ps_letter(struct termp *p, char c)
654: {
655: char cc;
1.9 kristaps 656:
657: /*
658: * State machine dictates whether to buffer the last character
659: * or not. Basically, encoded words are detected by checking if
660: * we're an "8" and switching on the buffer. Then we put "8" in
661: * our buffer, and on the next charater, flush both character
662: * and buffer. Thus, "regular" words are detected by having a
663: * regular character and a regular buffer character.
664: */
665:
1.8 kristaps 666: if ('\0' == p->engine.ps.last) {
667: assert(8 != c);
668: p->engine.ps.last = c;
669: return;
670: } else if (8 == p->engine.ps.last) {
671: assert(8 != c);
1.9 kristaps 672: p->engine.ps.last = '\0';
1.8 kristaps 673: } else if (8 == c) {
674: assert(8 != p->engine.ps.last);
1.9 kristaps 675: if ('_' == p->engine.ps.last) {
676: if (p->engine.ps.lastf != TERMFONT_UNDER) {
677: ps_pclose(p);
678: ps_setfont(p, TERMFONT_UNDER);
679: }
680: } else if (p->engine.ps.lastf != TERMFONT_BOLD) {
681: ps_pclose(p);
682: ps_setfont(p, TERMFONT_BOLD);
683: }
1.8 kristaps 684: p->engine.ps.last = c;
685: return;
686: } else {
1.9 kristaps 687: if (p->engine.ps.lastf != TERMFONT_NONE) {
688: ps_pclose(p);
689: ps_setfont(p, TERMFONT_NONE);
690: }
1.8 kristaps 691: cc = p->engine.ps.last;
692: p->engine.ps.last = c;
693: c = cc;
694: }
695:
1.9 kristaps 696: ps_pletter(p, c);
1.8 kristaps 697: }
698:
699:
700: static void
1.2 kristaps 701: ps_advance(struct termp *p, size_t len)
702: {
703:
1.9 kristaps 704: /*
705: * Advance some spaces. This can probably be made smarter,
706: * i.e., to have multiple space-separated words in the same
707: * scope, but this is easier: just close out the current scope
708: * and readjust our column settings.
709: */
1.8 kristaps 710:
1.9 kristaps 711: ps_fclose(p);
1.13 ! kristaps 712: p->engine.ps.pscol += 0 == len ? 0 :
! 713: len * (fonts[p->engine.ps.lastf].gly[0].wx / 100);
1.2 kristaps 714: }
715:
716:
717: static void
718: ps_endline(struct termp *p)
719: {
1.8 kristaps 720:
1.9 kristaps 721: /* Close out any scopes we have open: we're at eoln. */
722:
723: ps_fclose(p);
1.2 kristaps 724:
1.9 kristaps 725: /*
726: * If we're in the margin, don't try to recalculate our current
727: * row. XXX: if the column tries to be fancy with multiple
728: * lines, we'll do nasty stuff.
729: */
1.2 kristaps 730:
731: if (PS_MARGINS & p->engine.ps.psstate)
732: return;
733:
1.9 kristaps 734: /*
735: * Put us down a line. If we're at the page bottom, spit out a
736: * showpage and restart our row.
737: */
738:
1.2 kristaps 739: p->engine.ps.pscol = PS_CHAR_LEFT;
740: if (p->engine.ps.psrow >= PS_CHAR_HEIGHT + PS_CHAR_BOT) {
741: p->engine.ps.psrow -= PS_CHAR_HEIGHT;
742: return;
743: }
744:
1.4 kristaps 745: assert(p->engine.ps.psmarg && p->engine.ps.psmarg[0]);
746: printf("%s", p->engine.ps.psmarg);
1.2 kristaps 747: printf("showpage\n");
748: p->engine.ps.psrow = PS_CHAR_TOP;
1.1 kristaps 749: }
1.9 kristaps 750:
751:
752: static void
753: ps_setfont(struct termp *p, enum termfont f)
754: {
755:
1.13 ! kristaps 756: ps_printf(p, "/%s 10 selectfont\n", fonts[(int)f].name);
1.9 kristaps 757: p->engine.ps.lastf = f;
758: }
759:
1.11 kristaps 760:
1.12 kristaps 761: /* ARGSUSED */
1.11 kristaps 762: static size_t
763: ps_width(const struct termp *p, char c)
764: {
765:
766: return(1);
767: }
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