locale/programs/ld-telephone.c

   1 /* Copyright (C) 1998, 1999, 2000, 2001, 2002 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    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 # include <config.h>
  22 #endif
  23
  24 #include <error.h>
  25 #include <langinfo.h>
  26 #include <string.h>
  27 #include <sys/uio.h>
  28
  29 #include <assert.h>
  30
  31 #include "localedef.h"
  32 #include "localeinfo.h"
  33 #include "locfile.h"
  34
  35
  36 /* The real definition of the struct for the LC_TELEPHONE locale.  */
  37 struct locale_telephone_t
  38 {
  39   const char *tel_int_fmt;
  40   const char *tel_dom_fmt;
  41   const char *int_select;
  42   const char *int_prefix;
  43 };
  44
  45
  46 static void
  47 telephone_startup (struct linereader *lr, struct localedef_t *locale,
  48                    int ignore_content)
  49 {
  50   if (!ignore_content)
  51     locale->categories[LC_TELEPHONE].telephone = (struct locale_telephone_t *)
  52       xcalloc (1, sizeof (struct locale_telephone_t));
  53
  54   if (lr != NULL)
  55     {
  56       lr->translate_strings = 1;
  57       lr->return_widestr = 0;
  58     }
  59 }
  60
  61
  62 void
  63 telephone_finish (struct localedef_t *locale, const struct charmap_t *charmap)
  64 {
  65   struct locale_telephone_t *telephone =
  66     locale->categories[LC_TELEPHONE].telephone;
  67   int nothing = 0;
  68
  69   /* Now resolve copying and also handle completely missing definitions.  */
  70   if (telephone == NULL)
  71     {
  72       /* First see whether we were supposed to copy.  If yes, find the
  73          actual definition.  */
  74       if (locale->copy_name[LC_TELEPHONE] != NULL)
  75         {
  76           /* Find the copying locale.  This has to happen transitively since
  77              the locale we are copying from might also copying another one.  */
  78           struct localedef_t *from = locale;
  79
  80           do
  81             from = find_locale (LC_TELEPHONE, from->copy_name[LC_TELEPHONE],
  82                                 from->repertoire_name, charmap);
  83           while (from->categories[LC_TELEPHONE].telephone == NULL
  84                  && from->copy_name[LC_TELEPHONE] != NULL);
  85
  86           telephone = locale->categories[LC_TELEPHONE].telephone
  87             = from->categories[LC_TELEPHONE].telephone;
  88         }
  89
  90       /* If there is still no definition issue an warning and create an
  91          empty one.  */
  92       if (telephone == NULL)
  93         {
  94           if (! be_quiet)
  95             WITH_CUR_LOCALE (error (0, 0, _("\
  96 No definition for %s category found"), "LC_TELEPHONE"));
  97           telephone_startup (NULL, locale, 0);
  98           telephone = locale->categories[LC_TELEPHONE].telephone;
  99           nothing = 1;
 100         }
 101     }
 102
 103   if (telephone->tel_int_fmt == NULL)
 104     {
 105       if (! nothing)
 106         WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
 107                                 "LC_TELEPHONE", "tel_int_fmt"));
 108       /* Use as the default value the value of the i18n locale.  */
 109       telephone->tel_int_fmt = "+%c %a %l";
 110     }
 111   else
 112     {
 113       /* We must check whether the format string contains only the
 114          allowed escape sequences.  */
 115       const char *cp = telephone->tel_int_fmt;
 116
 117       if (*cp == '\0')
 118         WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' must not be empty"),
 119                                 "LC_TELEPHONE", "tel_int_fmt"));
 120       else
 121         while (*cp != '\0')
 122           {
 123             if (*cp == '%')
 124               {
 125                 if (strchr ("aAlc", *++cp) == NULL)
 126                   {
 127                     WITH_CUR_LOCALE (error (0, 0, _("\
 128 %s: invalid escape sequence in field `%s'"), "LC_TELEPHONE", "tel_int_fmt"));
 129                     break;
 130                   }
 131               }
 132             ++cp;
 133           }
 134     }
 135
 136   if (telephone->tel_dom_fmt == NULL)
 137     telephone->tel_dom_fmt = "";
 138   else if (telephone->tel_dom_fmt[0] != '\0')
 139     {
 140       /* We must check whether the format string contains only the
 141          allowed escape sequences.  */
 142       const char *cp = telephone->tel_dom_fmt;
 143
 144       while (*cp != '\0')
 145         {
 146           if (*cp == '%')
 147             {
 148               if (strchr ("aAlc", *++cp) == NULL)
 149                 {
 150                   WITH_CUR_LOCALE (error (0, 0, _("\
 151 %s: invalid escape sequence in field `%s'"), "LC_TELEPHONE", "tel_dom_fmt"));
 152                   break;
 153                 }
 154             }
 155           ++cp;
 156         }
 157     }
 158
 159 #define TEST_ELEM(cat) \
 160   if (telephone->cat == NULL)                                                 \
 161     {                                                                         \
 162       if (verbose && ! nothing)                                               \
 163         WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),        \
 164                                 "LC_TELEPHONE", #cat));                       \
 165       telephone->cat = "";                                                    \
 166     }
 167
 168   TEST_ELEM (int_select);
 169   TEST_ELEM (int_prefix);
 170 }
 171
 172
 173 void
 174 telephone_output (struct localedef_t *locale, const struct charmap_t *charmap,
 175                   const char *output_path)
 176 {
 177   struct locale_telephone_t *telephone =
 178     locale->categories[LC_TELEPHONE].telephone;
 179   struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE)];
 180   struct locale_file data;
 181   uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE)];
 182   size_t cnt = 0;
 183
 184   data.magic = LIMAGIC (LC_TELEPHONE);
 185   data.n = _NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE);
 186   iov[cnt].iov_base = (void *) &data;
 187   iov[cnt].iov_len = sizeof (data);
 188   ++cnt;
 189
 190   iov[cnt].iov_base = (void *) idx;
 191   iov[cnt].iov_len = sizeof (idx);
 192   ++cnt;
 193
 194   idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
 195   iov[cnt].iov_base = (void *) telephone->tel_int_fmt;
 196   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 197   ++cnt;
 198
 199   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 200   iov[cnt].iov_base = (void *) telephone->tel_dom_fmt;
 201   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 202   ++cnt;
 203
 204   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 205   iov[cnt].iov_base = (void *) telephone->int_select;
 206   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 207   ++cnt;
 208
 209   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 210   iov[cnt].iov_base = (void *) telephone->int_prefix;
 211   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 212   ++cnt;
 213
 214   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 215   iov[cnt].iov_base = (void *) charmap->code_set_name;;
 216   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 217   ++cnt;
 218
 219   assert (cnt == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE));
 220
 221   write_locale_data (output_path, LC_TELEPHONE, "LC_TELEPHONE",
 222                      2 + _NL_ITEM_INDEX (_NL_NUM_LC_TELEPHONE), iov);
 223 }
 224
 225
 226 /* The parser for the LC_TELEPHONE section of the locale definition.  */
 227 void
 228 telephone_read (struct linereader *ldfile, struct localedef_t *result,
 229                 const struct charmap_t *charmap, const char *repertoire_name,
 230                 int ignore_content)
 231 {
 232   struct locale_telephone_t *telephone;
 233   struct token *now;
 234   struct token *arg;
 235   enum token_t nowtok;
 236
 237   /* The rest of the line containing `LC_TELEPHONE' must be free.  */
 238   lr_ignore_rest (ldfile, 1);
 239
 240   do
 241     {
 242       now = lr_token (ldfile, charmap, result, NULL, verbose);
 243       nowtok = now->tok;
 244     }
 245   while (nowtok == tok_eol);
 246
 247   /* If we see `copy' now we are almost done.  */
 248   if (nowtok == tok_copy)
 249     {
 250       handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_telephone,
 251                    LC_TELEPHONE, "LC_TELEPHONE", ignore_content);
 252       return;
 253     }
 254
 255   /* Prepare the data structures.  */
 256   telephone_startup (ldfile, result, ignore_content);
 257   telephone = result->categories[LC_TELEPHONE].telephone;
 258
 259   while (1)
 260     {
 261       /* Of course we don't proceed beyond the end of file.  */
 262       if (nowtok == tok_eof)
 263         break;
 264
 265       /* Ingore empty lines.  */
 266       if (nowtok == tok_eol)
 267         {
 268           now = lr_token (ldfile, charmap, result, NULL, verbose);
 269           nowtok = now->tok;
 270           continue;
 271         }
 272
 273       switch (nowtok)
 274         {
 275 #define STR_ELEM(cat) \
 276         case tok_##cat:                                                       \
 277           /* Ignore the rest of the line if we don't need the input of        \
 278              this line.  */                                                   \
 279           if (ignore_content)                                                 \
 280             {                                                                 \
 281               lr_ignore_rest (ldfile, 0);                                     \
 282               break;                                                          \
 283             }                                                                 \
 284                                                                               \
 285           arg = lr_token (ldfile, charmap, result, NULL, verbose);            \
 286           if (arg->tok != tok_string)                                         \
 287             goto err_label;                                                   \
 288           if (telephone->cat != NULL)                                         \
 289             lr_error (ldfile, _("%s: field `%s' declared more than once"),    \
 290                       "LC_TELEPHONE", #cat);                                  \
 291           else if (!ignore_content && arg->val.str.startmb == NULL)           \
 292             {                                                                 \
 293               lr_error (ldfile, _("%s: unknown character in field `%s'"),     \
 294                         "LC_TELEPHONE", #cat);                                \
 295               telephone->cat = "";                                            \
 296             }                                                                 \
 297           else if (!ignore_content)                                           \
 298             telephone->cat = arg->val.str.startmb;                            \
 299           break
 300
 301           STR_ELEM (tel_int_fmt);
 302           STR_ELEM (tel_dom_fmt);
 303           STR_ELEM (int_select);
 304           STR_ELEM (int_prefix);
 305
 306         case tok_end:
 307           /* Next we assume `LC_TELEPHONE'.  */
 308           arg = lr_token (ldfile, charmap, result, NULL, verbose);
 309           if (arg->tok == tok_eof)
 310             break;
 311           if (arg->tok == tok_eol)
 312             lr_error (ldfile, _("%s: incomplete `END' line"), "LC_TELEPHONE");
 313           else if (arg->tok != tok_lc_telephone)
 314             lr_error (ldfile, _("\
 315 %1$s: definition does not end with `END %1$s'"), "LC_TELEPHONE");
 316           lr_ignore_rest (ldfile, arg->tok == tok_lc_telephone);
 317           return;
 318
 319         default:
 320         err_label:
 321           SYNTAX_ERROR (_("%s: syntax error"), "LC_TELEPHONE");
 322         }
 323
 324       /* Prepare for the next round.  */
 325       now = lr_token (ldfile, charmap, result, NULL, verbose);
 326       nowtok = now->tok;
 327     }
 328
 329   /* When we come here we reached the end of the file.  */
 330   lr_error (ldfile, _("%s: premature end of file"), "LC_TELEPHONE");
 331 }