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