mdoc_strings.c

   1 /*      $Id: mdoc_strings.c,v 1.12 2009/10/27 08:26:12 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 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 #include <sys/types.h>
  18
  19 #include <assert.h>
  20 #include <stdlib.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <time.h>
  24
  25 #include "libmdoc.h"
  26
  27 /* FIXME: this file is poorly named. */
  28
  29 struct mdoc_secname {
  30         const char      *name;  /* Name of section. */
  31         enum mdoc_sec    sec;   /* Corresponding section. */
  32 };
  33
  34 #define SECNAME_MAX     (20)
  35
  36 static  const struct mdoc_secname secnames[SECNAME_MAX] = {
  37         { "NAME", SEC_NAME },
  38         { "LIBRARY", SEC_LIBRARY },
  39         { "SYNOPSIS", SEC_SYNOPSIS },
  40         { "DESCRIPTION", SEC_DESCRIPTION },
  41         { "IMPLEMENTATION NOTES", SEC_IMPLEMENTATION },
  42         { "EXIT STATUS", SEC_EXIT_STATUS },
  43         { "RETURN VALUES", SEC_RETURN_VALUES },
  44         { "ENVIRONMENT", SEC_ENVIRONMENT },
  45         { "FILES", SEC_FILES },
  46         { "EXAMPLES", SEC_EXAMPLES },
  47         { "DIAGNOSTICS", SEC_DIAGNOSTICS },
  48         { "COMPATIBILITY", SEC_COMPATIBILITY },
  49         { "ERRORS", SEC_ERRORS },
  50         { "SEE ALSO", SEC_SEE_ALSO },
  51         { "STANDARDS", SEC_STANDARDS },
  52         { "HISTORY", SEC_HISTORY },
  53         { "AUTHORS", SEC_AUTHORS },
  54         { "CAVEATS", SEC_CAVEATS },
  55         { "BUGS", SEC_BUGS },
  56         { "SECURITY CONSIDERATIONS", SEC_SECURITY }
  57 };
  58
  59 #ifdef __linux__
  60 extern  char            *strptime(const char *, const char *, struct tm *);
  61 #endif
  62
  63
  64 int
  65 mdoc_iscdelim(char p)
  66 {
  67
  68         switch (p) {
  69         case('|'):
  70                 /* FALLTHROUGH */
  71         case('.'):
  72                 /* FALLTHROUGH */
  73         case(','):
  74                 /* FALLTHROUGH */
  75         case(';'):
  76                 /* FALLTHROUGH */
  77         case(':'):
  78                 /* FALLTHROUGH */
  79         case('?'):
  80                 /* FALLTHROUGH */
  81         case('!'):
  82                 /* FALLTHROUGH */
  83         case('('):
  84                 /* FALLTHROUGH */
  85         case(')'):
  86                 /* FALLTHROUGH */
  87         case('['):
  88                 /* FALLTHROUGH */
  89         case(']'):
  90                 /* FALLTHROUGH */
  91         case('{'):
  92                 /* FALLTHROUGH */
  93         case('}'):
  94                 return(1);
  95         default:
  96                 break;
  97         }
  98
  99         return(0);
 100 }
 101
 102
 103 int
 104 mdoc_isdelim(const char *p)
 105 {
 106
 107         if (0 == *p)
 108                 return(0);
 109         if (0 != *(p + 1))
 110                 return(0);
 111         return(mdoc_iscdelim(*p));
 112 }
 113
 114
 115 enum mdoc_sec
 116 mdoc_atosec(const char *p)
 117 {
 118         int              i;
 119
 120         for (i = 0; i < SECNAME_MAX; i++)
 121                 if (0 == strcmp(p, secnames[i].name))
 122                         return(secnames[i].sec);
 123
 124         return(SEC_CUSTOM);
 125 }
 126
 127
 128 time_t
 129 mdoc_atotime(const char *p)
 130 {
 131         struct tm        tm;
 132         char            *pp;
 133
 134         memset(&tm, 0, sizeof(struct tm));
 135
 136         if (0 == strcmp(p, "$" "Mdocdate$"))
 137                 return(time(NULL));
 138         if ((pp = strptime(p, "$" "Mdocdate: %b %d %Y $", &tm)) && 0 == *pp)
 139                 return(mktime(&tm));
 140         /* XXX - this matches "June 1999", which is wrong. */
 141         if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
 142                 return(mktime(&tm));
 143         if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
 144                 return(mktime(&tm));
 145
 146         return(0);
 147 }
 148
 149
 150 /* FIXME: move this into an editable .in file. */
 151 size_t
 152 mdoc_macro2len(int macro)
 153 {
 154
 155         switch (macro) {
 156         case(MDOC_Ad):
 157                 return(12);
 158         case(MDOC_Ao):
 159                 return(12);
 160         case(MDOC_An):
 161                 return(12);
 162         case(MDOC_Aq):
 163                 return(12);
 164         case(MDOC_Ar):
 165                 return(12);
 166         case(MDOC_Bo):
 167                 return(12);
 168         case(MDOC_Bq):
 169                 return(12);
 170         case(MDOC_Cd):
 171                 return(12);
 172         case(MDOC_Cm):
 173                 return(10);
 174         case(MDOC_Do):
 175                 return(10);
 176         case(MDOC_Dq):
 177                 return(12);
 178         case(MDOC_Dv):
 179                 return(12);
 180         case(MDOC_Eo):
 181                 return(12);
 182         case(MDOC_Em):
 183                 return(10);
 184         case(MDOC_Er):
 185                 return(17);
 186         case(MDOC_Ev):
 187                 return(15);
 188         case(MDOC_Fa):
 189                 return(12);
 190         case(MDOC_Fl):
 191                 return(10);
 192         case(MDOC_Fo):
 193                 return(16);
 194         case(MDOC_Fn):
 195                 return(16);
 196         case(MDOC_Ic):
 197                 return(10);
 198         case(MDOC_Li):
 199                 return(16);
 200         case(MDOC_Ms):
 201                 return(6);
 202         case(MDOC_Nm):
 203                 return(10);
 204         case(MDOC_No):
 205                 return(12);
 206         case(MDOC_Oo):
 207                 return(10);
 208         case(MDOC_Op):
 209                 return(14);
 210         case(MDOC_Pa):
 211                 return(32);
 212         case(MDOC_Pf):
 213                 return(12);
 214         case(MDOC_Po):
 215                 return(12);
 216         case(MDOC_Pq):
 217                 return(12);
 218         case(MDOC_Ql):
 219                 return(16);
 220         case(MDOC_Qo):
 221                 return(12);
 222         case(MDOC_So):
 223                 return(12);
 224         case(MDOC_Sq):
 225                 return(12);
 226         case(MDOC_Sy):
 227                 return(6);
 228         case(MDOC_Sx):
 229                 return(16);
 230         case(MDOC_Tn):
 231                 return(10);
 232         case(MDOC_Va):
 233                 return(12);
 234         case(MDOC_Vt):
 235                 return(12);
 236         case(MDOC_Xr):
 237                 return(10);
 238         default:
 239                 break;
 240         };
 241         return(0);
 242 }