strings.c

   1 /* $Id: strings.c,v 1.24 2009/03/02 17:14:46 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
   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
   7  * above copyright notice and this permission notice appear in all
   8  * copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19 #include <assert.h>
  20 #include <ctype.h>
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #ifndef __OpenBSD__
  25 #include <time.h>
  26 #endif
  27
  28 /*
  29  * Convert scalars to and from string format.
  30  */
  31
  32 #include "private.h"
  33
  34 #ifdef __linux__
  35 extern  char            *strptime(const char *, const char *, struct tm *);
  36 #endif
  37
  38
  39 size_t
  40 mdoc_isescape(const char *p)
  41 {
  42         size_t           c;
  43
  44         if ('\\' != *p++)
  45                 return(0);
  46
  47         switch (*p) {
  48         case ('\\'):
  49                 /* FALLTHROUGH */
  50         case ('\''):
  51                 /* FALLTHROUGH */
  52         case ('`'):
  53                 /* FALLTHROUGH */
  54         case ('-'):
  55                 /* FALLTHROUGH */
  56         case (' '):
  57                 /* FALLTHROUGH */
  58         case ('&'):
  59                 /* FALLTHROUGH */
  60         case ('.'):
  61                 /* FALLTHROUGH */
  62         case ('e'):
  63                 return(2);
  64         case ('*'):
  65                 if (0 == *++p || ! isgraph((int)*p))
  66                         return(0);
  67                 switch (*p) {
  68                 case ('('):
  69                         if (0 == *++p || ! isgraph((int)*p))
  70                                 return(0);
  71                         return(4);
  72                 case ('['):
  73                         for (c = 3, p++; *p && ']' != *p; p++, c++)
  74                                 if ( ! isgraph((int)*p))
  75                                         break;
  76                         return(*p == ']' ? c : 0);
  77                 default:
  78                         break;
  79                 }
  80                 return(3);
  81         case ('('):
  82                 if (0 == *++p || ! isgraph((int)*p))
  83                         return(0);
  84                 if (0 == *++p || ! isgraph((int)*p))
  85                         return(0);
  86                 return(4);
  87         case ('['):
  88                 break;
  89         default:
  90                 return(0);
  91         }
  92
  93         for (c = 3, p++; *p && ']' != *p; p++, c++)
  94                 if ( ! isgraph((int)*p))
  95                         break;
  96
  97         return(*p == ']' ? c : 0);
  98 }
  99
 100
 101 int
 102 mdoc_iscdelim(char p)
 103 {
 104
 105         switch (p) {
 106         case('.'):
 107                 /* FALLTHROUGH */
 108         case(','):
 109                 /* FALLTHROUGH */
 110         case(';'):
 111                 /* FALLTHROUGH */
 112         case(':'):
 113                 /* FALLTHROUGH */
 114         case('?'):
 115                 /* FALLTHROUGH */
 116         case('!'):
 117                 /* FALLTHROUGH */
 118         case('('):
 119                 /* FALLTHROUGH */
 120         case(')'):
 121                 /* FALLTHROUGH */
 122         case('['):
 123                 /* FALLTHROUGH */
 124         case(']'):
 125                 /* FALLTHROUGH */
 126         case('{'):
 127                 /* FALLTHROUGH */
 128         case('}'):
 129                 return(1);
 130         default:
 131                 break;
 132         }
 133
 134         return(0);
 135 }
 136
 137
 138 int
 139 mdoc_isdelim(const char *p)
 140 {
 141
 142         if (0 == *p)
 143                 return(0);
 144         if (0 != *(p + 1))
 145                 return(0);
 146         return(mdoc_iscdelim(*p));
 147 }
 148
 149
 150 enum mdoc_sec
 151 mdoc_atosec(const char *p)
 152 {
 153
 154         assert(p);
 155         if (0 == strcmp(p, "NAME"))
 156                 return(SEC_NAME);
 157         else if (0 == strcmp(p, "RETURN VALUES"))
 158                 return(SEC_RETURN_VALUES);
 159         else if (0 == strcmp(p, "SEE ALSO"))
 160                 return(SEC_SEE_ALSO);
 161         else if (0 == strcmp(p, "SYNOPSIS"))
 162                 return(SEC_SYNOPSIS);
 163         else if (0 == strcmp(p, "DESCRIPTION"))
 164                 return(SEC_DESCRIPTION);
 165         else if (0 == strcmp(p, "ENVIRONMENT"))
 166                 return(SEC_ENVIRONMENT);
 167         else if (0 == strcmp(p, "FILES"))
 168                 return(SEC_FILES);
 169         else if (0 == strcmp(p, "EXAMPLES"))
 170                 return(SEC_EXAMPLES);
 171         else if (0 == strcmp(p, "DIAGNOSTICS"))
 172                 return(SEC_DIAGNOSTICS);
 173         else if (0 == strcmp(p, "ERRORS"))
 174                 return(SEC_ERRORS);
 175         else if (0 == strcmp(p, "STANDARDS"))
 176                 return(SEC_STANDARDS);
 177         else if (0 == strcmp(p, "HISTORY"))
 178                 return(SEC_HISTORY);
 179         else if (0 == strcmp(p, "AUTHORS"))
 180                 return(SEC_AUTHORS);
 181         else if (0 == strcmp(p, "CAVEATS"))
 182                 return(SEC_CAVEATS);
 183         else if (0 == strcmp(p, "BUGS"))
 184                 return(SEC_BUGS);
 185
 186         return(SEC_CUSTOM);
 187 }
 188
 189
 190 time_t
 191 mdoc_atotime(const char *p)
 192 {
 193         struct tm        tm;
 194         char            *pp;
 195
 196         (void)memset(&tm, 0, sizeof(struct tm));
 197
 198         if (xstrcmp(p, "$Mdocdate: March 2 2009 $"))
 199                 return(time(NULL));
 200         if ((pp = strptime(p, "$Mdocdate: March 2 2009 $", &tm)) && 0 == *pp)
 201                 return(mktime(&tm));
 202         /* XXX - this matches "June 1999", which is wrong. */
 203         if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
 204                 return(mktime(&tm));
 205         if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
 206                 return(mktime(&tm));
 207
 208         return(0);
 209 }
 210
 211
 212 enum mdoc_msec
 213 mdoc_atomsec(const char *p)
 214 {
 215
 216         if (0 == strcmp(p, "1"))
 217                 return(MSEC_1);
 218         else if (0 == strcmp(p, "2"))
 219                 return(MSEC_2);
 220         else if (0 == strcmp(p, "3"))
 221                 return(MSEC_3);
 222         else if (0 == strcmp(p, "3f"))
 223                 return(MSEC_3f);
 224         else if (0 == strcmp(p, "3p"))
 225                 return(MSEC_3p);
 226         else if (0 == strcmp(p, "4"))
 227                 return(MSEC_4);
 228         else if (0 == strcmp(p, "5"))
 229                 return(MSEC_5);
 230         else if (0 == strcmp(p, "6"))
 231                 return(MSEC_6);
 232         else if (0 == strcmp(p, "7"))
 233                 return(MSEC_7);
 234         else if (0 == strcmp(p, "8"))
 235                 return(MSEC_8);
 236         else if (0 == strcmp(p, "9"))
 237                 return(MSEC_9);
 238         else if (0 == strcmp(p, "X11"))
 239                 return(MSEC_X11);
 240         else if (0 == strcmp(p, "X11R6"))
 241                 return(MSEC_X11R6);
 242         else if (0 == strcmp(p, "local"))
 243                 return(MSEC_local);
 244         else if (0 == strcmp(p, "n"))
 245                 return(MSEC_n);
 246         else if (0 == strcmp(p, "unass"))
 247                 return(MSEC_unass);
 248         else if (0 == strcmp(p, "draft"))
 249                 return(MSEC_draft);
 250         else if (0 == strcmp(p, "paper"))
 251                 return(MSEC_paper);
 252
 253         return(MSEC_DEFAULT);
 254 }
 255
 256
 257 enum mdoc_vol
 258 mdoc_atovol(const char *p)
 259 {
 260
 261         if (0 == strcmp(p, "AMD"))
 262                 return(VOL_AMD);
 263         else if (0 == strcmp(p, "IND"))
 264                 return(VOL_IND);
 265         else if (0 == strcmp(p, "KM"))
 266                 return(VOL_KM);
 267         else if (0 == strcmp(p, "LOCAL"))
 268                 return(VOL_LOCAL);
 269         else if (0 == strcmp(p, "PRM"))
 270                 return(VOL_PRM);
 271         else if (0 == strcmp(p, "PS1"))
 272                 return(VOL_PS1);
 273         else if (0 == strcmp(p, "SMM"))
 274                 return(VOL_SMM);
 275         else if (0 == strcmp(p, "URM"))
 276                 return(VOL_URM);
 277         else if (0 == strcmp(p, "USD"))
 278                 return(VOL_USD);
 279
 280         return(VOL_DEFAULT);
 281 }
 282
 283
 284 enum mdoc_arch
 285 mdoc_atoarch(const char *p)
 286 {
 287
 288         if (0 == strcmp(p, "alpha"))
 289                 return(ARCH_alpha);
 290         else if (0 == strcmp(p, "amd64"))
 291                 return(ARCH_amd64);
 292         else if (0 == strcmp(p, "amiga"))
 293                 return(ARCH_amiga);
 294         else if (0 == strcmp(p, "arc"))
 295                 return(ARCH_arc);
 296         else if (0 == strcmp(p, "arm"))
 297                 return(ARCH_arm);
 298         else if (0 == strcmp(p, "armish"))
 299                 return(ARCH_armish);
 300         else if (0 == strcmp(p, "aviion"))
 301                 return(ARCH_aviion);
 302         else if (0 == strcmp(p, "hp300"))
 303                 return(ARCH_hp300);
 304         else if (0 == strcmp(p, "hppa"))
 305                 return(ARCH_hppa);
 306         else if (0 == strcmp(p, "hppa64"))
 307                 return(ARCH_hppa64);
 308         else if (0 == strcmp(p, "i386"))
 309                 return(ARCH_i386);
 310         else if (0 == strcmp(p, "landisk"))
 311                 return(ARCH_landisk);
 312         else if (0 == strcmp(p, "luna88k"))
 313                 return(ARCH_luna88k);
 314         else if (0 == strcmp(p, "mac68k"))
 315                 return(ARCH_mac68k);
 316         else if (0 == strcmp(p, "macppc"))
 317                 return(ARCH_macppc);
 318         else if (0 == strcmp(p, "mvme68k"))
 319                 return(ARCH_mvme68k);
 320         else if (0 == strcmp(p, "mvme88k"))
 321                 return(ARCH_mvme88k);
 322         else if (0 == strcmp(p, "mvmeppc"))
 323                 return(ARCH_mvmeppc);
 324         else if (0 == strcmp(p, "pmax"))
 325                 return(ARCH_pmax);
 326         else if (0 == strcmp(p, "sgi"))
 327                 return(ARCH_sgi);
 328         else if (0 == strcmp(p, "socppc"))
 329                 return(ARCH_socppc);
 330         else if (0 == strcmp(p, "sparc"))
 331                 return(ARCH_sparc);
 332         else if (0 == strcmp(p, "sparc64"))
 333                 return(ARCH_sparc64);
 334         else if (0 == strcmp(p, "sun3"))
 335                 return(ARCH_sun3);
 336         else if (0 == strcmp(p, "vax"))
 337                 return(ARCH_vax);
 338         else if (0 == strcmp(p, "zaurus"))
 339                 return(ARCH_zaurus);
 340
 341         return(ARCH_DEFAULT);
 342 }
 343
 344
 345 enum mdoc_att
 346 mdoc_atoatt(const char *p)
 347 {
 348
 349         assert(p);
 350         if (0 == strcmp(p, "v1"))
 351                 return(ATT_v1);
 352         else if (0 == strcmp(p, "v2"))
 353                 return(ATT_v2);
 354         else if (0 == strcmp(p, "v3"))
 355                 return(ATT_v3);
 356         else if (0 == strcmp(p, "v4"))
 357                 return(ATT_v4);
 358         else if (0 == strcmp(p, "v5"))
 359                 return(ATT_v5);
 360         else if (0 == strcmp(p, "v6"))
 361                 return(ATT_v6);
 362         else if (0 == strcmp(p, "v7"))
 363                 return(ATT_v7);
 364         else if (0 == strcmp(p, "32v"))
 365                 return(ATT_32v);
 366         else if (0 == strcmp(p, "V"))
 367                 return(ATT_V);
 368         else if (0 == strcmp(p, "V.1"))
 369                 return(ATT_V1);
 370         else if (0 == strcmp(p, "V.2"))
 371                 return(ATT_V2);
 372         else if (0 == strcmp(p, "V.3"))
 373                 return(ATT_V3);
 374         else if (0 == strcmp(p, "V.4"))
 375                 return(ATT_V4);
 376
 377         return(ATT_DEFAULT);
 378 }
 379
 380
 381 char *
 382 mdoc_type2a(enum mdoc_type type)
 383 {
 384         switch (type) {
 385         case (MDOC_ROOT):
 386                 return("root");
 387         case (MDOC_BLOCK):
 388                 return("block");
 389         case (MDOC_HEAD):
 390                 return("block-head");
 391         case (MDOC_BODY):
 392                 return("block-body");
 393         case (MDOC_TAIL):
 394                 return("block-tail");
 395         case (MDOC_ELEM):
 396                 return("elem");
 397         case (MDOC_TEXT):
 398                 return("text");
 399         default:
 400                 break;
 401         }
 402
 403         abort();
 404         /* NOTREACHED */
 405 }
 406
 407
 408 const char *
 409 mdoc_arch2a(enum mdoc_arch arch)
 410 {
 411
 412         switch (arch) {
 413         case (ARCH_alpha):
 414                 return("Alpha");
 415         case (ARCH_amd64):
 416                 return("AMD64");
 417         case (ARCH_amiga):
 418                 return("Amiga");
 419         case (ARCH_arc):
 420                 return("ARC");
 421         case (ARCH_arm):
 422                 return("ARM");
 423         case (ARCH_armish):
 424                 return("ARMISH");
 425         case (ARCH_aviion):
 426                 return("AViiON");
 427         case (ARCH_hp300):
 428                 return("HP300");
 429         case (ARCH_hppa):
 430                 return("HPPA");
 431         case (ARCH_hppa64):
 432                 return("HPPA64");
 433         case (ARCH_i386):
 434                 return("i386");
 435         case (ARCH_landisk):
 436                 return("LANDISK");
 437         case (ARCH_luna88k):
 438                 return("Luna88k");
 439         case (ARCH_mac68k):
 440                 return("Mac68k");
 441         case (ARCH_macppc):
 442                 return("MacPPC");
 443         case (ARCH_mvme68k):
 444                 return("MVME68k");
 445         case (ARCH_mvme88k):
 446                 return("MVME88k");
 447         case (ARCH_mvmeppc):
 448                 return("MVMEPPC");
 449         case (ARCH_pmax):
 450                 return("PMAX");
 451         case (ARCH_sgi):
 452                 return("SGI");
 453         case (ARCH_socppc):
 454                 return("SOCPPC");
 455         case (ARCH_sparc):
 456                 return("SPARC");
 457         case (ARCH_sparc64):
 458                 return("SPARC64");
 459         case (ARCH_sun3):
 460                 return("Sun3");
 461         case (ARCH_vax):
 462                 return("VAX");
 463         case (ARCH_zaurus):
 464                 return("Zaurus");
 465         case (ARCH_DEFAULT):
 466                 return(NULL);
 467         default:
 468                 break;
 469         }
 470
 471         abort();
 472         /* NOTREACHED */
 473 }
 474
 475
 476 const char *
 477 mdoc_vol2a(enum mdoc_vol vol)
 478 {
 479
 480         switch (vol) {
 481         case (VOL_AMD):
 482                 return("Ancestral Manual Documents");
 483         case (VOL_IND):
 484                 return("Manual Master Index");
 485         case (VOL_KM):
 486                 return("Kernel Manual");
 487         case (VOL_LOCAL):
 488                 return("Local Manual");
 489         case (VOL_PRM):
 490                 return("Programmer's Manual");
 491         case (VOL_PS1):
 492                 return("Programmer's Supplementary Documents");
 493         case (VOL_SMM):
 494                 return("System Manager's Manual");
 495         case (VOL_URM):
 496                 return("Reference Manual");
 497         case (VOL_USD):
 498                 return("User's Supplementary Documents");
 499         case (VOL_DEFAULT):
 500                 return(NULL);
 501         default:
 502                 break;
 503         }
 504
 505         abort();
 506         /* NOTREACHED */
 507 }
 508
 509
 510 const char *
 511 mdoc_msec2a(enum mdoc_msec msec)
 512 {
 513
 514         switch (msec) {
 515         case(MSEC_1):
 516                 return("1");
 517         case(MSEC_2):
 518                 return("2");
 519         case(MSEC_3):
 520                 return("3");
 521         case(MSEC_3f):
 522                 return("3f");
 523         case(MSEC_3p):
 524                 return("3p");
 525         case(MSEC_4):
 526                 return("4");
 527         case(MSEC_5):
 528                 return("5");
 529         case(MSEC_6):
 530                 return("6");
 531         case(MSEC_7):
 532                 return("7");
 533         case(MSEC_8):
 534                 return("8");
 535         case(MSEC_9):
 536                 return("9");
 537         case(MSEC_X11):
 538                 return("X11");
 539         case(MSEC_X11R6):
 540                 return("X11R6");
 541         case(MSEC_local):
 542                 return("local");
 543         case(MSEC_n):
 544                 return("n");
 545         case(MSEC_unass):
 546                 /* FALLTHROUGH */
 547         case(MSEC_draft):
 548                 return("draft");
 549         case(MSEC_paper):
 550                 return("paper");
 551         case(MSEC_DEFAULT):
 552                 return(NULL);
 553         default:
 554                 break;
 555         }
 556
 557         abort();
 558         /* NOTREACHED */
 559 }
 560
 561
 562 const char *
 563 mdoc_st2a(int c)
 564 {
 565         char             *p;
 566
 567         switch (c) {
 568         case(MDOC_p1003_1_88):
 569                 p = "IEEE Std 1003.1-1988 (\\(lqPOSIX\\(rq)";
 570                 break;
 571         case(MDOC_p1003_1_90):
 572                 p = "IEEE Std 1003.1-1990 (\\(lqPOSIX\\(rq)";
 573                 break;
 574         case(MDOC_p1003_1_96):
 575                 p = "ISO/IEC 9945-1:1996 (\\(lqPOSIX\\(rq)";
 576                 break;
 577         case(MDOC_p1003_1_2001):
 578                 p = "IEEE Std 1003.1-2001 (\\(lqPOSIX\\(rq)";
 579                 break;
 580         case(MDOC_p1003_1_2004):
 581                 p = "IEEE Std 1003.1-2004 (\\(lqPOSIX\\(rq)";
 582                 break;
 583         case(MDOC_p1003_1):
 584                 p = "IEEE Std 1003.1 (\\(lqPOSIX\\(rq)";
 585                 break;
 586         case(MDOC_p1003_1b):
 587                 p = "IEEE Std 1003.1b (\\(lqPOSIX\\(rq)";
 588                 break;
 589         case(MDOC_p1003_1b_93):
 590                 p = "IEEE Std 1003.1b-1993 (\\(lqPOSIX\\(rq)";
 591                 break;
 592         case(MDOC_p1003_1c_95):
 593                 p = "IEEE Std 1003.1c-1995 (\\(lqPOSIX\\(rq)";
 594                 break;
 595         case(MDOC_p1003_1g_2000):
 596                 p = "IEEE Std 1003.1g-2000 (\\(lqPOSIX\\(rq)";
 597                 break;
 598         case(MDOC_p1003_2_92):
 599                 p = "IEEE Std 1003.2-1992 (\\(lqPOSIX.2\\(rq)";
 600                 break;
 601         case(MDOC_p1387_2_95):
 602                 p = "IEEE Std 1387.2-1995 (\\(lqPOSIX.7.2\\(rq)";
 603                 break;
 604         case(MDOC_p1003_2):
 605                 p = "IEEE Std 1003.2 (\\(lqPOSIX.2\\(rq)";
 606                 break;
 607         case(MDOC_p1387_2):
 608                 p = "IEEE Std 1387.2 (\\(lqPOSIX.7.2\\(rq)";
 609                 break;
 610         case(MDOC_isoC_90):
 611                 p = "ISO/IEC 9899:1990 (\\(lqISO C90\\(rq)";
 612                 break;
 613         case(MDOC_isoC_amd1):
 614                 p = "ISO/IEC 9899/AMD1:1995 (\\(lqISO C90\\(rq)";
 615                 break;
 616         case(MDOC_isoC_tcor1):
 617                 p = "ISO/IEC 9899/TCOR1:1994 (\\(lqISO C90\\(rq)";
 618                 break;
 619         case(MDOC_isoC_tcor2):
 620                 p = "ISO/IEC 9899/TCOR2:1995 (\\(lqISO C90\\(rq)";
 621                 break;
 622         case(MDOC_isoC_99):
 623                 p = "ISO/IEC 9899:1999 (\\(lqISO C99\\(rq)";
 624                 break;
 625         case(MDOC_ansiC):
 626                 p = "ANSI X3.159-1989 (\\(lqANSI C\\(rq)";
 627                 break;
 628         case(MDOC_ansiC_89):
 629                 p = "ANSI X3.159-1989 (\\(lqANSI C\\(rq)";
 630                 break;
 631         case(MDOC_ansiC_99):
 632                 p = "ANSI/ISO/IEC 9899-1999 (\\(lqANSI C99\\(rq)";
 633                 break;
 634         case(MDOC_ieee754):
 635                 p = "IEEE Std 754-1985";
 636                 break;
 637         case(MDOC_iso8802_3):
 638                 p = "ISO 8802-3: 1989";
 639                 break;
 640         case(MDOC_xpg3):
 641                 p = "X/Open Portability Guide Issue 3 "
 642                         "(\\(lqXPG3\\(rq)";
 643                 break;
 644         case(MDOC_xpg4):
 645                 p = "X/Open Portability Guide Issue 4 "
 646                         "(\\(lqXPG4\\(rq)";
 647                 break;
 648         case(MDOC_xpg4_2):
 649                 p = "X/Open Portability Guide Issue 4.2 "
 650                         "(\\(lqXPG4.2\\(rq)";
 651                 break;
 652         case(MDOC_xpg4_3):
 653                 p = "X/Open Portability Guide Issue 4.3 "
 654                         "(\\(lqXPG4.3\\(rq)";
 655                 break;
 656         case(MDOC_xbd5):
 657                 p = "X/Open System Interface Definitions Issue 5 "
 658                         "(\\(lqXBD5\\(rq)";
 659                 break;
 660         case(MDOC_xcu5):
 661                 p = "X/Open Commands and Utilities Issue 5 "
 662                         "(\\(lqXCU5\\(rq)";
 663                 break;
 664         case(MDOC_xsh5):
 665                 p = "X/Open System Interfaces and Headers Issue 5 "
 666                         "(\\(lqXSH5\\(rq)";
 667                 break;
 668         case(MDOC_xns5):
 669                 p = "X/Open Networking Services Issue 5 "
 670                         "(\\(lqXNS5\\(rq)";
 671                 break;
 672         case(MDOC_xns5_2d2_0):
 673                 p = "X/Open Networking Services Issue 5.2 Draft 2.0 "
 674                         "(\\(lqXNS5.2D2.0\\(rq)";
 675                 break;
 676         case(MDOC_xcurses4_2):
 677                 p = "X/Open Curses Issue 4 Version 2 "
 678                         "(\\(lqXCURSES4.2\\(rq)";
 679                 break;
 680         case(MDOC_susv2):
 681                 p = "Version 2 of the Single UNIX Specification";
 682                 break;
 683         case(MDOC_susv3):
 684                 p = "Version 3 of the Single UNIX Specification";
 685                 break;
 686         case(MDOC_svid4):
 687                 p = "System V Interface Definition, Fourth Edition "
 688                         "(\\(lqSVID4\\(rq)";
 689                 break;
 690         default:
 691                 p = NULL;
 692                 break;
 693         }
 694
 695         return(p);
 696 }
 697
 698
 699 const char *
 700 mdoc_att2a(enum mdoc_att c)
 701 {
 702         char            *p;
 703
 704         switch (c) {
 705         case(ATT_v1):
 706                 p = "Version 1 AT&T UNIX";
 707                 break;
 708         case(ATT_v2):
 709                 p = "Version 2 AT&T UNIX";
 710                 break;
 711         case(ATT_v3):
 712                 p = "Version 3 AT&T UNIX";
 713                 break;
 714         case(ATT_v4):
 715                 p = "Version 4 AT&T UNIX";
 716                 break;
 717         case(ATT_v5):
 718                 p = "Version 5 AT&T UNIX";
 719                 break;
 720         case(ATT_v6):
 721                 p = "Version 6 AT&T UNIX";
 722                 break;
 723         case(ATT_v7):
 724                 p = "Version 7 AT&T UNIX";
 725                 break;
 726         case(ATT_32v):
 727                 p = "Version 32V AT&T UNIX";
 728                 break;
 729         case(ATT_V):
 730                 p = "AT&T System V UNIX";
 731                 break;
 732         case(ATT_V1):
 733                 p = "AT&T System V.1 UNIX";
 734                 break;
 735         case(ATT_V2):
 736                 p = "AT&T System V.2 UNIX";
 737                 break;
 738         case(ATT_V3):
 739                 p = "AT&T System V.3 UNIX";
 740                 break;
 741         case(ATT_V4):
 742                 p = "AT&T System V.4 UNIX";
 743                 break;
 744         default:
 745                 p = "AT&T UNIX";
 746                 break;
 747         }
 748
 749         return(p);
 750 }
 751
 752
 753 size_t
 754 mdoc_macro2len(int macro)
 755 {
 756
 757         switch (macro) {
 758         case(MDOC_Ad):
 759                 return(12);
 760         case(MDOC_Ao):
 761                 return(12);
 762         case(MDOC_An):
 763                 return(12);
 764         case(MDOC_Aq):
 765                 return(12);
 766         case(MDOC_Ar):
 767                 return(12);
 768         case(MDOC_Bo):
 769                 return(12);
 770         case(MDOC_Bq):
 771                 return(12);
 772         case(MDOC_Cd):
 773                 return(12);
 774         case(MDOC_Cm):
 775                 return(10);
 776         case(MDOC_Do):
 777                 return(10);
 778         case(MDOC_Dq):
 779                 return(12);
 780         case(MDOC_Dv):
 781                 return(12);
 782         case(MDOC_Eo):
 783                 return(12);
 784         case(MDOC_Em):
 785                 return(10);
 786         case(MDOC_Er):
 787                 return(12);
 788         case(MDOC_Ev):
 789                 return(15);
 790         case(MDOC_Fa):
 791                 return(12);
 792         case(MDOC_Fl):
 793                 return(10);
 794         case(MDOC_Fo):
 795                 return(16);
 796         case(MDOC_Fn):
 797                 return(16);
 798         case(MDOC_Ic):
 799                 return(10);
 800         case(MDOC_Li):
 801                 return(16);
 802         case(MDOC_Ms):
 803                 return(6);
 804         case(MDOC_Nm):
 805                 return(10);
 806         case(MDOC_No):
 807                 return(12);
 808         case(MDOC_Oo):
 809                 return(10);
 810         case(MDOC_Op):
 811                 return(14);
 812         case(MDOC_Pa):
 813                 return(32);
 814         case(MDOC_Pf):
 815                 return(12);
 816         case(MDOC_Po):
 817                 return(12);
 818         case(MDOC_Pq):
 819                 return(12);
 820         case(MDOC_Ql):
 821                 return(16);
 822         case(MDOC_Qo):
 823                 return(12);
 824         case(MDOC_So):
 825                 return(12);
 826         case(MDOC_Sq):
 827                 return(12);
 828         case(MDOC_Sy):
 829                 return(6);
 830         case(MDOC_Sx):
 831                 return(16);
 832         case(MDOC_Tn):
 833                 return(10);
 834         case(MDOC_Va):
 835                 return(12);
 836         case(MDOC_Vt):
 837                 return(12);
 838         case(MDOC_Xr):
 839                 return(10);
 840         default:
 841                 break;
 842         };
 843         return(0);
 844 }