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