locale/programs/ld-telephone.c

   1 /* Copyright (C) 1998,1999,2000,2001,2002,2005 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published
   7    by the Free Software Foundation; version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #ifdef HAVE_CONFIG_H
  19 # include <config.h>
  20 #endif
  21
  22 #include <error.h>
  23 #include <langinfo.h>
  24 #include <string.h>
  25 #include <sys/uio.h>
  26
  27 #include <assert.h>
  28
  29 #include "localedef.h"
  30 #include "localeinfo.h"
  31 #include "locfile.h"
  32
  33
  34 /* The real definition of the struct for the LC_TELEPHONE locale.  */
  35 struct locale_telephone_t
  36 {
  37   const char *tel_int_fmt;
  38   const char *tel_dom_fmt;
  39   const char *int_select;
  40   const char *int_prefix;
  41 };
  42
  43
  44 static void
  45 telephone_startup (struct linereader *lr, struct localedef_t *locale,
  46                    int ignore_content)
  47 {
  48   if (!ignore_content)
  49     locale->categories[LC_TELEPHONE].telephone = (struct locale_telephone_t *)
  50       xcalloc (1, sizeof (struct locale_telephone_t));
  51
  52   if (lr != NULL)
  53     {
  54       lr->translate_strings = 1;
  55       lr->return_widestr = 0;
  56     }
  57 }
  58
  59
  60 void
  61 telephone_finish (struct localedef_t *locale, const struct charmap_t *charmap)
  62 {
  63   struct locale_telephone_t *telephone =
  64     locale->categories[LC_TELEPHONE].telephone;
  65   int nothing = 0;
  66
  67   /* Now resolve copying and also handle completely missing definitions.  */
  68   if (telephone == NULL)
  69     {
  70       /* First see whether we were supposed to copy.  If yes, find the
  71          actual definition.  */
  72       if (locale->copy_name[LC_TELEPHONE] != NULL)
  73         {
  74           /* Find the copying locale.  This has to happen transitively since
  75              the locale we are copying from might also copying another one.  */
  76           struct localedef_t *from = locale;
  77
  78           do
  79             from = find_locale (LC_TELEPHONE, from->copy_name[LC_TELEPHONE],
  80                                 from->repertoire_name, charmap);
  81           while (from->categories[LC_TELEPHONE].telephone == NULL
  82                  && from->copy_name[LC_TELEPHONE] != NULL);
  83
  84           telephone = locale->categories[LC_TELEPHONE].telephone
  85             = from->categories[LC_TELEPHONE].telephone;
  86         }
  87
  88       /* If there is still no definition issue an warning and create an
  89          empty one.  */
  90       if (telephone == NULL)
  91         {
  92           if (! be_quiet)
  93             WITH_CUR_LOCALE (error (0, 0, _("\
  94 No definition for %s category found"), "LC_TELEPHONE"));
  95           telephone_startup (NULL, locale, 0);
  96           telephone = locale->categories[LC_TELEPHONE].telephone;
  97           nothing = 1;
  98         }
  99     }
 100
 101   if (telephone->tel_int_fmt == NULL)
 102     {
 103       if (! nothing)
 104         WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
 105                                 "LC_TELEPHONE", "tel_int_fmt"));
 106       /* Use as the default value the value of the i18n locale.  */
 107       telephone->tel_int_fmt = "+%c %a %l";
 108     }
 109   else
 110     {
 111       /* We must check whether the format string contains only the
 112          allowed escape sequences.  */
 113       const char *cp = telephone->tel_int_fmt;
 114
 115       if (*cp == '\0')
 116         WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' must not be empty"),
 117                                 "LC_TELEPHONE", "tel_int_fmt"));
 118       else
 119         while (*cp != '\0')
 120           {
 121             if (*cp == '%')
 122               {
 123                 if (strchr ("aAlc", *++cp) == NULL)
 124                   {
 125                     WITH_CUR_LOCALE (error (0, 0, _("\
 126 %s: invalid escape sequence in field `%s'"), "LC_TELEPHONE", "tel_int_fmt"));
 127                     break;
 128                   }
 129               }
 130             ++cp;
 131           }
 132     }
 133
 134   if (telephone->tel_dom_fmt == NULL)
 135     telephone->tel_dom_fmt = "";
 136   else if (telephone->tel_dom_fmt[0] != '\0')
 137     {
 138       /* We must check whether the format string contains only the
 139          allowed escape sequences.  */
 140       const char *cp = telephone->tel_dom_fmt;
 141
 142       while (*cp != '\0')
 143         {
 144           if (*cp == '%')
 145             {
 146               if (strchr ("aAlc", *++cp) == NULL)
 147                 {
 148                   WITH_CUR_LOCALE (error (0, 0, _("\
 149 %s: invalid escape sequence in field `%s'"), "LC_TELEPHONE", "tel_dom_fmt"));
 150                   break;
 151                 }
 152             }
 153           ++cp;
 154         }
 155     }
 156
 157 #define TEST_ELEM(cat) \
 158   if (telephone->cat == NULL)                                                 \
 159     {                                                                         \
 160       if (verbose && ! nothing)                                               \
 161         WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),        \
 162                                 "LC_TELEPHONE", #cat));                       \
 163       telephone->cat = "";                                                    \
 164     }
 165
 166   TEST_ELEM (int_select);
 167   TEST_ELEM (int_prefix);
 168 }
 169
 170
 171 void
 172 telephone_output (struct localedef_t *locale, const struct charmap_t *charmap,
 173                   const char *output_path)
 174 {
 175   struct locale_telephone_t *telephone =
 176     locale->categories[LC_TELEPHONE].telephone;
 177   struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE)];
 178   struct locale_file data;
 179   uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE)];
 180   size_t cnt = 0;
 181
 182   data.magic = LIMAGIC (LC_TELEPHONE);
 183   data.n = _NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE);
 184   iov[cnt].iov_base = (void *) &data;
 185   iov[cnt].iov_len = sizeof (data);
 186   ++cnt;
 187
 188   iov[cnt].iov_base = (void *) idx;
 189   iov[cnt].iov_len = sizeof (idx);
 190   ++cnt;
 191
 192   idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
 193   iov[cnt].iov_base = (void *) telephone->tel_int_fmt;
 194   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 195   ++cnt;
 196
 197   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 198   iov[cnt].iov_base = (void *) telephone->tel_dom_fmt;
 199   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 200   ++cnt;
 201
 202   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 203   iov[cnt].iov_base = (void *) telephone->int_select;
 204   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 205   ++cnt;
 206
 207   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 208   iov[cnt].iov_base = (void *) telephone->int_prefix;
 209   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 210   ++cnt;
 211
 212   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 213   iov[cnt].iov_base = (void *) charmap->code_set_name;;
 214   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 215   ++cnt;
 216
 217   assert (cnt == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE));
 218
 219   write_locale_data (output_path, LC_TELEPHONE, "LC_TELEPHONE",
 220                      2 + _NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE), iov);
 221 }
 222
 223
 224 /* The parser for the LC_TELEPHONE section of the locale definition.  */
 225 void
 226 telephone_read (struct linereader *ldfile, struct localedef_t *result,
 227                 const struct charmap_t *charmap, const char *repertoire_name,
 228                 int ignore_content)
 229 {
 230   struct locale_telephone_t *telephone;
 231   struct token *now;
 232   struct token *arg;
 233   enum token_t nowtok;
 234
 235   /* The rest of the line containing `LC_TELEPHONE' must be free.  */
 236   lr_ignore_rest (ldfile, 1);
 237
 238   do
 239     {
 240       now = lr_token (ldfile, charmap, result, NULL, verbose);
 241       nowtok = now->tok;
 242     }
 243   while (nowtok == tok_eol);
 244
 245   /* If we see `copy' now we are almost done.  */
 246   if (nowtok == tok_copy)
 247     {
 248       handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_telephone,
 249                    LC_TELEPHONE, "LC_TELEPHONE", ignore_content);
 250       return;
 251     }
 252
 253   /* Prepare the data structures.  */
 254   telephone_startup (ldfile, result, ignore_content);
 255   telephone = result->categories[LC_TELEPHONE].telephone;
 256
 257   while (1)
 258     {
 259       /* Of course we don't proceed beyond the end of file.  */
 260       if (nowtok == tok_eof)
 261         break;
 262
 263       /* Ingore empty lines.  */
 264       if (nowtok == tok_eol)
 265         {
 266           now = lr_token (ldfile, charmap, result, NULL, verbose);
 267           nowtok = now->tok;
 268           continue;
 269         }
 270
 271       switch (nowtok)
 272         {
 273 #define STR_ELEM(cat) \
 274         case tok_##cat:                                                       \
 275           /* Ignore the rest of the line if we don't need the input of        \
 276              this line.  */                                                   \
 277           if (ignore_content)                                                 \
 278             {                                                                 \
 279               lr_ignore_rest (ldfile, 0);                                     \
 280               break;                                                          \
 281             }                                                                 \
 282                                                                               \
 283           arg = lr_token (ldfile, charmap, result, NULL, verbose);            \
 284           if (arg->tok != tok_string)                                         \
 285             goto err_label;                                                   \
 286           if (telephone->cat != NULL)                                         \
 287             lr_error (ldfile, _("%s: field `%s' declared more than once"),    \
 288                       "LC_TELEPHONE", #cat);                                  \
 289           else if (!ignore_content && arg->val.str.startmb == NULL)           \
 290             {                                                                 \
 291               lr_error (ldfile, _("%s: unknown character in field `%s'"),     \
 292                         "LC_TELEPHONE", #cat);                                \
 293               telephone->cat = "";                                            \
 294             }                                                                 \
 295           else if (!ignore_content)                                           \
 296             telephone->cat = arg->val.str.startmb;                            \
 297           break
 298
 299           STR_ELEM (tel_int_fmt);
 300           STR_ELEM (tel_dom_fmt);
 301           STR_ELEM (int_select);
 302           STR_ELEM (int_prefix);
 303
 304         case tok_end:
 305           /* Next we assume `LC_TELEPHONE'.  */
 306           arg = lr_token (ldfile, charmap, result, NULL, verbose);
 307           if (arg->tok == tok_eof)
 308             break;
 309           if (arg->tok == tok_eol)
 310             lr_error (ldfile, _("%s: incomplete `END' line"), "LC_TELEPHONE");
 311           else if (arg->tok != tok_lc_telephone)
 312             lr_error (ldfile, _("\
 313 %1$s: definition does not end with `END %1$s'"), "LC_TELEPHONE");
 314           lr_ignore_rest (ldfile, arg->tok == tok_lc_telephone);
 315           return;
 316
 317         default:
 318         err_label:
 319           SYNTAX_ERROR (_("%s: syntax error"), "LC_TELEPHONE");
 320         }
 321
 322       /* Prepare for the next round.  */
 323       now = lr_token (ldfile, charmap, result, NULL, verbose);
 324       nowtok = now->tok;
 325     }
 326
 327   /* When we come here we reached the end of the file.  */
 328   lr_error (ldfile, _("%s: premature end of file"), "LC_TELEPHONE");
 329 }