strings.c

   1 /* $Id: strings.c,v 1.6 2009/01/14 11:58:24 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 #ifdef __linux__
  25 #include <time.h>
  26 #endif
  27
  28 #include "private.h"
  29
  30 #ifdef __linux__
  31 extern  char            *strptime(const char *, const char *, struct tm *);
  32 #endif
  33
  34 int
  35 mdoc_iscdelim(char p)
  36 {
  37
  38         switch (p) {
  39         case('{'):
  40                 /* FALLTHROUGH */
  41         case('.'):
  42                 /* FALLTHROUGH */
  43         case(','):
  44                 /* FALLTHROUGH */
  45         case(';'):
  46                 /* FALLTHROUGH */
  47         case(':'):
  48                 /* FALLTHROUGH */
  49         case('?'):
  50                 /* FALLTHROUGH */
  51         case('!'):
  52                 /* FALLTHROUGH */
  53         case('('):
  54                 /* FALLTHROUGH */
  55         case(')'):
  56                 /* FALLTHROUGH */
  57         case('['):
  58                 /* FALLTHROUGH */
  59         case(']'):
  60                 /* FALLTHROUGH */
  61         case('}'):
  62                 return(1);
  63         default:
  64                 break;
  65         }
  66
  67         return(0);
  68 }
  69
  70
  71 int
  72 mdoc_isdelim(const char *p)
  73 {
  74
  75         if (0 == *p)
  76                 return(0);
  77         if (0 != *(p + 1))
  78                 return(0);
  79         return(mdoc_iscdelim(*p));
  80 }
  81
  82
  83 enum mdoc_sec
  84 mdoc_atosec(size_t sz, const char **p)
  85 {
  86
  87         assert(sz > 0);
  88         if (sz > 2)
  89                 return(SEC_CUSTOM);
  90         if (sz == 2) {
  91                 if (0 == strcmp(*p, "RETURN") &&
  92                                 0 == strcmp(*(p + 1), "VALUES"))
  93                         return(SEC_RETURN_VALUES);
  94                 if (0 == strcmp(*p, "SEE") &&
  95                                 0 == strcmp(*(p + 1), "ALSO"))
  96                         return(SEC_SEE_ALSO);
  97                 return(SEC_CUSTOM);
  98         }
  99
 100         if (0 == strcmp(*p, "NAME"))
 101                 return(SEC_NAME);
 102         else if (0 == strcmp(*p, "SYNOPSIS"))
 103                 return(SEC_SYNOPSIS);
 104         else if (0 == strcmp(*p, "DESCRIPTION"))
 105                 return(SEC_DESCRIPTION);
 106         else if (0 == strcmp(*p, "ENVIRONMENT"))
 107                 return(SEC_ENVIRONMENT);
 108         else if (0 == strcmp(*p, "FILES"))
 109                 return(SEC_FILES);
 110         else if (0 == strcmp(*p, "EXAMPLES"))
 111                 return(SEC_EXAMPLES);
 112         else if (0 == strcmp(*p, "DIAGNOSTICS"))
 113                 return(SEC_DIAGNOSTICS);
 114         else if (0 == strcmp(*p, "ERRORS"))
 115                 return(SEC_ERRORS);
 116         else if (0 == strcmp(*p, "STANDARDS"))
 117                 return(SEC_STANDARDS);
 118         else if (0 == strcmp(*p, "HISTORY"))
 119                 return(SEC_HISTORY);
 120         else if (0 == strcmp(*p, "AUTHORS"))
 121                 return(SEC_AUTHORS);
 122         else if (0 == strcmp(*p, "CAVEATS"))
 123                 return(SEC_CAVEATS);
 124         else if (0 == strcmp(*p, "BUGS"))
 125                 return(SEC_BUGS);
 126
 127         return(SEC_CUSTOM);
 128 }
 129
 130
 131 time_t
 132 mdoc_atotime(const char *p)
 133 {
 134         struct tm        tm;
 135
 136         (void)memset(&tm, 0, sizeof(struct tm));
 137
 138         if (strptime(p, "%b %d %Y", &tm))
 139                 return(mktime(&tm));
 140         if (strptime(p, "%b %d, %Y", &tm))
 141                 return(mktime(&tm));
 142
 143         return(0);
 144 }
 145
 146
 147 enum mdoc_msec
 148 mdoc_atomsec(const char *p)
 149 {
 150
 151         if (0 == strcmp(p, "1"))
 152                 return(MSEC_1);
 153         else if (0 == strcmp(p, "2"))
 154                 return(MSEC_2);
 155         else if (0 == strcmp(p, "3"))
 156                 return(MSEC_3);
 157         else if (0 == strcmp(p, "3f"))
 158                 return(MSEC_3f);
 159         else if (0 == strcmp(p, "3p"))
 160                 return(MSEC_3p);
 161         else if (0 == strcmp(p, "4"))
 162                 return(MSEC_4);
 163         else if (0 == strcmp(p, "5"))
 164                 return(MSEC_5);
 165         else if (0 == strcmp(p, "6"))
 166                 return(MSEC_6);
 167         else if (0 == strcmp(p, "7"))
 168                 return(MSEC_7);
 169         else if (0 == strcmp(p, "8"))
 170                 return(MSEC_8);
 171         else if (0 == strcmp(p, "9"))
 172                 return(MSEC_9);
 173         else if (0 == strcmp(p, "X11"))
 174                 return(MSEC_X11);
 175         else if (0 == strcmp(p, "X11R6"))
 176                 return(MSEC_X11R6);
 177         else if (0 == strcmp(p, "local"))
 178                 return(MSEC_local);
 179         else if (0 == strcmp(p, "n"))
 180                 return(MSEC_n);
 181         else if (0 == strcmp(p, "unass"))
 182                 return(MSEC_unass);
 183         else if (0 == strcmp(p, "draft"))
 184                 return(MSEC_draft);
 185         else if (0 == strcmp(p, "paper"))
 186                 return(MSEC_paper);
 187
 188         return(MSEC_DEFAULT);
 189 }
 190
 191
 192 enum mdoc_vol
 193 mdoc_atovol(const char *p)
 194 {
 195
 196         if (0 == strcmp(p, "AMD"))
 197                 return(VOL_AMD);
 198         else if (0 == strcmp(p, "IND"))
 199                 return(VOL_IND);
 200         else if (0 == strcmp(p, "KM"))
 201                 return(VOL_KM);
 202         else if (0 == strcmp(p, "LOCAL"))
 203                 return(VOL_LOCAL);
 204         else if (0 == strcmp(p, "PRM"))
 205                 return(VOL_PRM);
 206         else if (0 == strcmp(p, "PS1"))
 207                 return(VOL_PS1);
 208         else if (0 == strcmp(p, "SMM"))
 209                 return(VOL_SMM);
 210         else if (0 == strcmp(p, "URM"))
 211                 return(VOL_URM);
 212         else if (0 == strcmp(p, "USD"))
 213                 return(VOL_USD);
 214
 215         return(VOL_DEFAULT);
 216 }
 217
 218
 219 enum mdoc_arch
 220 mdoc_atoarch(const char *p)
 221 {
 222
 223         if (0 == strcmp(p, "alpha"))
 224                 return(ARCH_alpha);
 225         else if (0 == strcmp(p, "amd64"))
 226                 return(ARCH_amd64);
 227         else if (0 == strcmp(p, "amiga"))
 228                 return(ARCH_amiga);
 229         else if (0 == strcmp(p, "arc"))
 230                 return(ARCH_arc);
 231         else if (0 == strcmp(p, "armish"))
 232                 return(ARCH_armish);
 233         else if (0 == strcmp(p, "aviion"))
 234                 return(ARCH_aviion);
 235         else if (0 == strcmp(p, "hp300"))
 236                 return(ARCH_hp300);
 237         else if (0 == strcmp(p, "hppa"))
 238                 return(ARCH_hppa);
 239         else if (0 == strcmp(p, "hppa64"))
 240                 return(ARCH_hppa64);
 241         else if (0 == strcmp(p, "i386"))
 242                 return(ARCH_i386);
 243         else if (0 == strcmp(p, "landisk"))
 244                 return(ARCH_landisk);
 245         else if (0 == strcmp(p, "luna88k"))
 246                 return(ARCH_luna88k);
 247         else if (0 == strcmp(p, "mac68k"))
 248                 return(ARCH_mac68k);
 249         else if (0 == strcmp(p, "macppc"))
 250                 return(ARCH_macppc);
 251         else if (0 == strcmp(p, "mvme68k"))
 252                 return(ARCH_mvme68k);
 253         else if (0 == strcmp(p, "mvme88k"))
 254                 return(ARCH_mvme88k);
 255         else if (0 == strcmp(p, "mvmeppc"))
 256                 return(ARCH_mvmeppc);
 257         else if (0 == strcmp(p, "pmax"))
 258                 return(ARCH_pmax);
 259         else if (0 == strcmp(p, "sgi"))
 260                 return(ARCH_sgi);
 261         else if (0 == strcmp(p, "socppc"))
 262                 return(ARCH_socppc);
 263         else if (0 == strcmp(p, "sparc"))
 264                 return(ARCH_sparc);
 265         else if (0 == strcmp(p, "sparc64"))
 266                 return(ARCH_sparc64);
 267         else if (0 == strcmp(p, "sun3"))
 268                 return(ARCH_sun3);
 269         else if (0 == strcmp(p, "vax"))
 270                 return(ARCH_vax);
 271         else if (0 == strcmp(p, "zaurus"))
 272                 return(ARCH_zaurus);
 273
 274         return(ARCH_DEFAULT);
 275 }
 276
 277
 278 enum mdoc_att
 279 mdoc_atoatt(const char *p)
 280 {
 281
 282         assert(p);
 283         if (0 == strcmp(p, "v1"))
 284                 return(ATT_v1);
 285         else if (0 == strcmp(p, "v2"))
 286                 return(ATT_v2);
 287         else if (0 == strcmp(p, "v3"))
 288                 return(ATT_v3);
 289         else if (0 == strcmp(p, "v4"))
 290                 return(ATT_v4);
 291         else if (0 == strcmp(p, "v5"))
 292                 return(ATT_v5);
 293         else if (0 == strcmp(p, "v6"))
 294                 return(ATT_v6);
 295         else if (0 == strcmp(p, "v7"))
 296                 return(ATT_v7);
 297         else if (0 == strcmp(p, "32v"))
 298                 return(ATT_32v);
 299         else if (0 == strcmp(p, "V.1"))
 300                 return(ATT_V1);
 301         else if (0 == strcmp(p, "V.2"))
 302                 return(ATT_V2);
 303         else if (0 == strcmp(p, "V.3"))
 304                 return(ATT_V3);
 305         else if (0 == strcmp(p, "V.4"))
 306                 return(ATT_V4);
 307
 308         return(ATT_DEFAULT);
 309 }
 310
 311
 312 char *
 313 mdoc_type2a(enum mdoc_type type)
 314 {
 315         switch (type) {
 316         case (MDOC_ROOT):
 317                 return("root");
 318         case (MDOC_BLOCK):
 319                 return("block");
 320         case (MDOC_HEAD):
 321                 return("block-head");
 322         case (MDOC_BODY):
 323                 return("block-body");
 324         case (MDOC_TAIL):
 325                 return("block-tail");
 326         case (MDOC_ELEM):
 327                 return("elem");
 328         case (MDOC_TEXT):
 329                 return("text");
 330         default:
 331                 break;
 332         }
 333
 334         abort();
 335         /* NOTREACHED */
 336 }