locale/programs/ld-identification.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 <stdlib.h>
  27 #include <string.h>
  28 #include <sys/uio.h>
  29
  30 #include <assert.h>
  31
  32 #include "localedef.h"
  33 #include "localeinfo.h"
  34 #include "locfile.h"
  35
  36
  37 /* The real definition of the struct for the LC_IDENTIFICATION locale.  */
  38 struct locale_identification_t
  39 {
  40   const char *title;
  41   const char *source;
  42   const char *address;
  43   const char *contact;
  44   const char *email;
  45   const char *tel;
  46   const char *fax;
  47   const char *language;
  48   const char *territory;
  49   const char *audience;
  50   const char *application;
  51   const char *abbreviation;
  52   const char *revision;
  53   const char *date;
  54   const char *category[__LC_LAST];
  55 };
  56
  57
  58 static const char *category_name[__LC_LAST] =
  59 {
  60   [LC_CTYPE] = "LC_CTYPE",
  61   [LC_NUMERIC] = "LC_NUMERIC",
  62   [LC_TIME] = "LC_TIME",
  63   [LC_COLLATE] = "LC_COLLATE",
  64   [LC_MONETARY] = "LC_MONETARY",
  65   [LC_MESSAGES] = "LC_MESSAGES",
  66   [LC_ALL] = "LC_ALL",
  67   [LC_PAPER] = "LC_PAPER",
  68   [LC_NAME] = "LC_NAME",
  69   [LC_ADDRESS] = "LC_ADDRESS",
  70   [LC_TELEPHONE] = "LC_TELEPHONE",
  71   [LC_MEASUREMENT] = "LC_MEASUREMENT",
  72   [LC_IDENTIFICATION] = "LC_IDENTIFICATION"
  73 };
  74
  75
  76 static void
  77 identification_startup (struct linereader *lr, struct localedef_t *locale,
  78                         int ignore_content)
  79 {
  80   if (!ignore_content)
  81     {
  82       locale->categories[LC_IDENTIFICATION].identification =
  83         (struct locale_identification_t *)
  84         xcalloc (1, sizeof (struct locale_identification_t));
  85
  86       locale->categories[LC_IDENTIFICATION].identification->category[LC_ALL] =
  87         "";
  88     }
  89
  90   if (lr != NULL)
  91     {
  92       lr->translate_strings = 1;
  93       lr->return_widestr = 0;
  94     }
  95 }
  96
  97
  98 void
  99 identification_finish (struct localedef_t *locale,
 100                        const struct charmap_t *charmap)
 101 {
 102   struct locale_identification_t *identification
 103     = locale->categories[LC_IDENTIFICATION].identification;
 104   int nothing = 0;
 105   size_t num;
 106
 107   /* Now resolve copying and also handle completely missing definitions.  */
 108   if (identification == NULL)
 109     {
 110       /* First see whether we were supposed to copy.  If yes, find the
 111          actual definition.  */
 112       if (locale->copy_name[LC_IDENTIFICATION] != NULL)
 113         {
 114           /* Find the copying locale.  This has to happen transitively since
 115              the locale we are copying from might also copying another one.  */
 116           struct localedef_t *from = locale;
 117
 118           do
 119             from = find_locale (LC_IDENTIFICATION,
 120                                 from->copy_name[LC_IDENTIFICATION],
 121                                 from->repertoire_name, charmap);
 122           while (from->categories[LC_IDENTIFICATION].identification == NULL
 123                  && from->copy_name[LC_IDENTIFICATION] != NULL);
 124
 125           identification = locale->categories[LC_IDENTIFICATION].identification
 126             = from->categories[LC_IDENTIFICATION].identification;
 127         }
 128
 129       /* If there is still no definition issue an warning and create an
 130          empty one.  */
 131       if (identification == NULL)
 132         {
 133           if (! be_quiet)
 134             WITH_CUR_LOCALE (error (0, 0, _("\
 135 No definition for %s category found"), "LC_IDENTIFICATION"));
 136           identification_startup (NULL, locale, 0);
 137           identification
 138             = locale->categories[LC_IDENTIFICATION].identification;
 139           nothing = 1;
 140         }
 141     }
 142
 143 #define TEST_ELEM(cat) \
 144   if (identification->cat == NULL)                                            \
 145     {                                                                         \
 146       if (verbose && ! nothing)                                               \
 147         WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),        \
 148                                 "LC_IDENTIFICATION", #cat));                  \
 149       identification->cat = "";                                               \
 150     }
 151
 152   TEST_ELEM (title);
 153   TEST_ELEM (source);
 154   TEST_ELEM (address);
 155   TEST_ELEM (contact);
 156   TEST_ELEM (email);
 157   TEST_ELEM (tel);
 158   TEST_ELEM (fax);
 159   TEST_ELEM (language);
 160   TEST_ELEM (territory);
 161   TEST_ELEM (audience);
 162   TEST_ELEM (application);
 163   TEST_ELEM (abbreviation);
 164   TEST_ELEM (revision);
 165   TEST_ELEM (date);
 166
 167   for (num = 0; num < __LC_LAST; ++num)
 168     if (num != LC_ALL && identification->category[num] == NULL)
 169       {
 170         if (verbose && ! nothing)
 171           WITH_CUR_LOCALE (error (0, 0, _("\
 172 %s: no identification for category `%s'"),
 173                                   "LC_IDENTIFICATION", category_name[num]));
 174         identification->category[num] = "";
 175       }
 176 }
 177
 178
 179 void
 180 identification_output (struct localedef_t *locale,
 181                        const struct charmap_t *charmap,
 182                        const char *output_path)
 183 {
 184   struct locale_identification_t *identification
 185     = locale->categories[LC_IDENTIFICATION].identification;
 186   struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION)
 187                   + (__LC_LAST - 2)];
 188   struct locale_file data;
 189   uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION)];
 190   size_t cnt = 0;
 191   size_t num;
 192   size_t last_idx;
 193
 194   data.magic = LIMAGIC (LC_IDENTIFICATION);
 195   data.n = _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION);
 196   iov[cnt].iov_base = (void *) &data;
 197   iov[cnt].iov_len = sizeof (data);
 198   ++cnt;
 199
 200   iov[cnt].iov_base = (void *) idx;
 201   iov[cnt].iov_len = sizeof (idx);
 202   ++cnt;
 203
 204   idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
 205   iov[cnt].iov_base = (void *) identification->title;
 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 *) identification->source;
 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 *) identification->address;
 216   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 217   ++cnt;
 218
 219   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 220   iov[cnt].iov_base = (void *) identification->contact;
 221   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 222   ++cnt;
 223
 224   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 225   iov[cnt].iov_base = (void *) identification->email;
 226   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 227   ++cnt;
 228
 229   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 230   iov[cnt].iov_base = (void *) identification->tel;
 231   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 232   ++cnt;
 233
 234   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 235   iov[cnt].iov_base = (void *) identification->fax;
 236   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 237   ++cnt;
 238
 239   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 240   iov[cnt].iov_base = (void *) identification->language;
 241   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 242   ++cnt;
 243
 244   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 245   iov[cnt].iov_base = (void *) identification->territory;
 246   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 247   ++cnt;
 248
 249   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 250   iov[cnt].iov_base = (void *) identification->audience;
 251   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 252   ++cnt;
 253
 254   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 255   iov[cnt].iov_base = (void *) identification->application;
 256   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 257   ++cnt;
 258
 259   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 260   iov[cnt].iov_base = (void *) identification->abbreviation;
 261   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 262   ++cnt;
 263
 264   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 265   iov[cnt].iov_base = (void *) identification->revision;
 266   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 267   ++cnt;
 268
 269   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 270   iov[cnt].iov_base = (void *) identification->date;
 271   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 272   ++cnt;
 273
 274   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 275   last_idx = cnt - 1;
 276   idx[last_idx] = idx[cnt - 2];
 277   for (num = 0; num < __LC_LAST; ++num)
 278     if (num != LC_ALL)
 279       {
 280         iov[cnt].iov_base = (void *) identification->category[num];
 281         iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 282         idx[last_idx] += iov[cnt].iov_len;
 283         ++cnt;
 284       }
 285
 286   assert (last_idx == _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION) - 1);
 287   iov[cnt].iov_base = (void *) charmap->code_set_name;
 288   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 289   ++cnt;
 290
 291   assert (cnt == (2 + _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION)
 292                   + (__LC_LAST - 2)));
 293
 294   write_locale_data (output_path, LC_IDENTIFICATION, "LC_IDENTIFICATION", cnt,
 295                      iov);
 296 }
 297
 298
 299 /* The parser for the LC_IDENTIFICATION section of the locale definition.  */
 300 void
 301 identification_read (struct linereader *ldfile, struct localedef_t *result,
 302                const struct charmap_t *charmap, const char *repertoire_name,
 303                int ignore_content)
 304 {
 305   struct locale_identification_t *identification;
 306   struct token *now;
 307   struct token *arg;
 308   struct token *cattok;
 309   int category;
 310   enum token_t nowtok;
 311
 312   /* The rest of the line containing `LC_IDENTIFICATION' must be free.  */
 313   lr_ignore_rest (ldfile, 1);
 314
 315   do
 316     {
 317       now = lr_token (ldfile, charmap, result, NULL, verbose);
 318       nowtok = now->tok;
 319     }
 320   while (nowtok == tok_eol);
 321
 322   /* If we see `copy' now we are almost done.  */
 323   if (nowtok == tok_copy)
 324     {
 325       handle_copy (ldfile, charmap, repertoire_name, result,
 326                    tok_lc_identification, LC_IDENTIFICATION,
 327                    "LC_IDENTIFICATION", ignore_content);
 328       return;
 329     }
 330
 331   /* Prepare the data structures.  */
 332   identification_startup (ldfile, result, ignore_content);
 333   identification = result->categories[LC_IDENTIFICATION].identification;
 334
 335   while (1)
 336     {
 337       /* Of course we don't proceed beyond the end of file.  */
 338       if (nowtok == tok_eof)
 339         break;
 340
 341       /* Ignore empty lines.  */
 342       if (nowtok == tok_eol)
 343         {
 344           now = lr_token (ldfile, charmap, result, NULL, verbose);
 345           nowtok = now->tok;
 346           continue;
 347         }
 348
 349       switch (nowtok)
 350         {
 351 #define STR_ELEM(cat) \
 352         case tok_##cat:                                                       \
 353           /* Ignore the rest of the line if we don't need the input of        \
 354              this line.  */                                                   \
 355           if (ignore_content)                                                 \
 356             {                                                                 \
 357               lr_ignore_rest (ldfile, 0);                                     \
 358               break;                                                          \
 359             }                                                                 \
 360                                                                               \
 361           arg = lr_token (ldfile, charmap, result, NULL, verbose);            \
 362           if (arg->tok != tok_string)                                         \
 363             goto err_label;                                                   \
 364           if (identification->cat != NULL)                                    \
 365             lr_error (ldfile, _("\
 366 %s: field `%s' declared more than once"), "LC_IDENTIFICATION", #cat);         \
 367           else if (!ignore_content && arg->val.str.startmb == NULL)           \
 368             {                                                                 \
 369               lr_error (ldfile, _("\
 370 %s: unknown character in field `%s'"), "LC_IDENTIFICATION", #cat);            \
 371               identification->cat = "";                                       \
 372             }                                                                 \
 373           else if (!ignore_content)                                           \
 374             identification->cat = arg->val.str.startmb;                       \
 375           break
 376
 377           STR_ELEM (title);
 378           STR_ELEM (source);
 379           STR_ELEM (address);
 380           STR_ELEM (contact);
 381           STR_ELEM (email);
 382           STR_ELEM (tel);
 383           STR_ELEM (fax);
 384           STR_ELEM (language);
 385           STR_ELEM (territory);
 386           STR_ELEM (audience);
 387           STR_ELEM (application);
 388           STR_ELEM (abbreviation);
 389           STR_ELEM (revision);
 390           STR_ELEM (date);
 391
 392         case tok_category:
 393           /* Ignore the rest of the line if we don't need the input of
 394              this line.  */
 395           if (ignore_content)
 396             {
 397               lr_ignore_rest (ldfile, 0);
 398               break;
 399             }
 400
 401           /* We expect two operands.  */
 402           arg = lr_token (ldfile, charmap, result, NULL, verbose);
 403           if (arg->tok != tok_string && arg->tok != tok_ident)
 404             goto err_label;
 405           /* Next is a semicolon.  */
 406           cattok = lr_token (ldfile, charmap, result, NULL, verbose);
 407           if (cattok->tok != tok_semicolon)
 408             goto err_label;
 409           /* Now a LC_xxx identifier.  */
 410           cattok = lr_token (ldfile, charmap, result, NULL, verbose);
 411           switch (cattok->tok)
 412             {
 413 #define CATEGORY(lname, uname) \
 414             case tok_lc_##lname:                                              \
 415               category = LC_##uname;                                          \
 416               break
 417
 418               CATEGORY (identification, IDENTIFICATION);
 419               CATEGORY (ctype, CTYPE);
 420               CATEGORY (collate, COLLATE);
 421               CATEGORY (time, TIME);
 422               CATEGORY (numeric, NUMERIC);
 423               CATEGORY (monetary, MONETARY);
 424               CATEGORY (messages, MESSAGES);
 425               CATEGORY (paper, PAPER);
 426               CATEGORY (name, NAME);
 427               CATEGORY (address, ADDRESS);
 428               CATEGORY (telephone, TELEPHONE);
 429               CATEGORY (measurement, MEASUREMENT);
 430
 431             default:
 432               goto err_label;
 433             }
 434           if (identification->category[category] != NULL)
 435             {
 436               lr_error (ldfile, _("\
 437 %s: duplicate category version definition"), "LC_IDENTIFICATION");
 438               free (arg->val.str.startmb);
 439             }
 440           else
 441             identification->category[category] = arg->val.str.startmb;
 442           break;
 443
 444         case tok_end:
 445           /* Next we assume `LC_IDENTIFICATION'.  */
 446           arg = lr_token (ldfile, charmap, result, NULL, verbose);
 447           if (arg->tok == tok_eof)
 448             break;
 449           if (arg->tok == tok_eol)
 450             lr_error (ldfile, _("%s: incomplete `END' line"),
 451                       "LC_IDENTIFICATION");
 452           else if (arg->tok != tok_lc_identification)
 453             lr_error (ldfile, _("\
 454 %1$s: definition does not end with `END %1$s'"), "LC_IDENTIFICATION");
 455           lr_ignore_rest (ldfile, arg->tok == tok_lc_identification);
 456           return;
 457
 458         default:
 459         err_label:
 460           SYNTAX_ERROR (_("%s: syntax error"), "LC_IDENTIFICATION");
 461         }
 462
 463       /* Prepare for the next round.  */
 464       now = lr_token (ldfile, charmap, result, NULL, verbose);
 465       nowtok = now->tok;
 466     }
 467
 468   /* When we come here we reached the end of the file.  */
 469   lr_error (ldfile, _("%s: premature end of file"), "LC_IDENTIFICATION");
 470 }