locale/programs/ld-identification.c

   1 /* Copyright (C) 1998, 1999, 2000, 2001 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 "localeinfo.h"
  33 #include "locfile.h"
  34
  35
  36 /* The real definition of the struct for the LC_IDENTIFICATION locale.  */
  37 struct locale_identification_t
  38 {
  39   const char *title;
  40   const char *source;
  41   const char *address;
  42   const char *contact;
  43   const char *email;
  44   const char *tel;
  45   const char *fax;
  46   const char *language;
  47   const char *territory;
  48   const char *audience;
  49   const char *application;
  50   const char *abbreviation;
  51   const char *revision;
  52   const char *date;
  53   const char *category[__LC_LAST];
  54 };
  55
  56
  57 static const char *category_name[__LC_LAST] =
  58 {
  59   [LC_CTYPE] = "LC_CTYPE",
  60   [LC_NUMERIC] = "LC_NUMERIC",
  61   [LC_TIME] = "LC_TIME",
  62   [LC_COLLATE] = "LC_COLLATE",
  63   [LC_MONETARY] = "LC_MONETARY",
  64   [LC_MESSAGES] = "LC_MESSAGES",
  65   [LC_ALL] = "LC_ALL",
  66   [LC_PAPER] = "LC_PAPER",
  67   [LC_NAME] = "LC_NAME",
  68   [LC_ADDRESS] = "LC_ADDRESS",
  69   [LC_TELEPHONE] = "LC_TELEPHONE",
  70   [LC_MEASUREMENT] = "LC_MEASUREMENT",
  71   [LC_IDENTIFICATION] = "LC_IDENTIFICATION"
  72 };
  73
  74
  75 static void
  76 identification_startup (struct linereader *lr, struct localedef_t *locale,
  77                         int ignore_content)
  78 {
  79   if (!ignore_content)
  80     {
  81       locale->categories[LC_IDENTIFICATION].identification =
  82         (struct locale_identification_t *)
  83         xcalloc (1, sizeof (struct locale_identification_t));
  84
  85       locale->categories[LC_IDENTIFICATION].identification->category[LC_ALL] =
  86         "";
  87     }
  88
  89   if (lr != NULL)
  90     {
  91       lr->translate_strings = 1;
  92       lr->return_widestr = 0;
  93     }
  94 }
  95
  96
  97 void
  98 identification_finish (struct localedef_t *locale, 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             error (0, 0, _("No definition for %s category found"),
 133                    "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         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           error (0, 0, _("%s: no identification for category `%s'"),
 170                  "LC_IDENTIFICATION", category_name[num]);
 171         identification->category[num] = "";
 172       }
 173 }
 174
 175
 176 void
 177 identification_output (struct localedef_t *locale, struct charmap_t *charmap,
 178                        const char *output_path)
 179 {
 180   struct locale_identification_t *identification
 181     = locale->categories[LC_IDENTIFICATION].identification;
 182   struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION)
 183                   + (__LC_LAST - 2)];
 184   struct locale_file data;
 185   uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION)];
 186   size_t cnt = 0;
 187   size_t num;
 188   size_t last_idx;
 189
 190   data.magic = LIMAGIC (LC_IDENTIFICATION);
 191   data.n = _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION);
 192   iov[cnt].iov_base = (void *) &data;
 193   iov[cnt].iov_len = sizeof (data);
 194   ++cnt;
 195
 196   iov[cnt].iov_base = (void *) idx;
 197   iov[cnt].iov_len = sizeof (idx);
 198   ++cnt;
 199
 200   idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
 201   iov[cnt].iov_base = (void *) identification->title;
 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 *) identification->source;
 207   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 208   ++cnt;
 209
 210   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 211   iov[cnt].iov_base = (void *) identification->address;
 212   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 213   ++cnt;
 214
 215   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 216   iov[cnt].iov_base = (void *) identification->contact;
 217   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 218   ++cnt;
 219
 220   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 221   iov[cnt].iov_base = (void *) identification->email;
 222   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 223   ++cnt;
 224
 225   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 226   iov[cnt].iov_base = (void *) identification->tel;
 227   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 228   ++cnt;
 229
 230   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 231   iov[cnt].iov_base = (void *) identification->fax;
 232   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 233   ++cnt;
 234
 235   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 236   iov[cnt].iov_base = (void *) identification->language;
 237   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 238   ++cnt;
 239
 240   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 241   iov[cnt].iov_base = (void *) identification->territory;
 242   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 243   ++cnt;
 244
 245   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 246   iov[cnt].iov_base = (void *) identification->audience;
 247   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 248   ++cnt;
 249
 250   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 251   iov[cnt].iov_base = (void *) identification->application;
 252   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 253   ++cnt;
 254
 255   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 256   iov[cnt].iov_base = (void *) identification->abbreviation;
 257   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 258   ++cnt;
 259
 260   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 261   iov[cnt].iov_base = (void *) identification->revision;
 262   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 263   ++cnt;
 264
 265   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 266   iov[cnt].iov_base = (void *) identification->date;
 267   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 268   ++cnt;
 269
 270   idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
 271   last_idx = cnt - 1;
 272   idx[last_idx] = idx[cnt - 2];
 273   for (num = 0; num < __LC_LAST; ++num)
 274     if (num != LC_ALL)
 275       {
 276         iov[cnt].iov_base = (void *) identification->category[num];
 277         iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 278         idx[last_idx] += iov[cnt].iov_len;
 279         ++cnt;
 280       }
 281
 282   assert (last_idx == _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION) - 1);
 283   iov[cnt].iov_base = (void *) charmap->code_set_name;
 284   iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
 285   ++cnt;
 286
 287   assert (cnt == (2 + _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION)
 288                   + (__LC_LAST - 2)));
 289
 290   write_locale_data (output_path, "LC_IDENTIFICATION", cnt, iov);
 291 }
 292
 293
 294 /* The parser for the LC_IDENTIFICATION section of the locale definition.  */
 295 void
 296 identification_read (struct linereader *ldfile, struct localedef_t *result,
 297                struct charmap_t *charmap, const char *repertoire_name,
 298                int ignore_content)
 299 {
 300   struct locale_identification_t *identification;
 301   struct token *now;
 302   struct token *arg;
 303   struct token *cattok;
 304   int category;
 305   enum token_t nowtok;
 306
 307   /* The rest of the line containing `LC_IDENTIFICATION' must be free.  */
 308   lr_ignore_rest (ldfile, 1);
 309
 310   do
 311     {
 312       now = lr_token (ldfile, charmap, NULL, verbose);
 313       nowtok = now->tok;
 314     }
 315   while (nowtok == tok_eol);
 316
 317   /* If we see `copy' now we are almost done.  */
 318   if (nowtok == tok_copy)
 319     {
 320       handle_copy (ldfile, charmap, repertoire_name, result,
 321                    tok_lc_identification, LC_IDENTIFICATION,
 322                    "LC_IDENTIFICATION", ignore_content);
 323       return;
 324     }
 325
 326   /* Prepare the data structures.  */
 327   identification_startup (ldfile, result, ignore_content);
 328   identification = result->categories[LC_IDENTIFICATION].identification;
 329
 330   while (1)
 331     {
 332       /* Of course we don't proceed beyond the end of file.  */
 333       if (nowtok == tok_eof)
 334         break;
 335
 336       /* Ignore empty lines.  */
 337       if (nowtok == tok_eol)
 338         {
 339           now = lr_token (ldfile, charmap, NULL, verbose);
 340           nowtok = now->tok;
 341           continue;
 342         }
 343
 344       switch (nowtok)
 345         {
 346 #define STR_ELEM(cat) \
 347         case tok_##cat:                                                       \
 348           /* Ignore the rest of the line if we don't need the input of        \
 349              this line.  */                                                   \
 350           if (ignore_content)                                                 \
 351             {                                                                 \
 352               lr_ignore_rest (ldfile, 0);                                     \
 353               break;                                                          \
 354             }                                                                 \
 355                                                                               \
 356           arg = lr_token (ldfile, charmap, NULL, verbose);                    \
 357           if (arg->tok != tok_string)                                         \
 358             goto err_label;                                                   \
 359           if (identification->cat != NULL)                                    \
 360             lr_error (ldfile, _("\
 361 %s: field `%s' declared more than once"), "LC_IDENTIFICATION", #cat);         \
 362           else if (!ignore_content && arg->val.str.startmb == NULL)           \
 363             {                                                                 \
 364               lr_error (ldfile, _("\
 365 %s: unknown character in field `%s'"), "LC_IDENTIFICATION", #cat);            \
 366               identification->cat = "";                                       \
 367             }                                                                 \
 368           else if (!ignore_content)                                           \
 369             identification->cat = arg->val.str.startmb;                       \
 370           break
 371
 372           STR_ELEM (title);
 373           STR_ELEM (source);
 374           STR_ELEM (address);
 375           STR_ELEM (contact);
 376           STR_ELEM (email);
 377           STR_ELEM (tel);
 378           STR_ELEM (fax);
 379           STR_ELEM (language);
 380           STR_ELEM (territory);
 381           STR_ELEM (audience);
 382           STR_ELEM (application);
 383           STR_ELEM (abbreviation);
 384           STR_ELEM (revision);
 385           STR_ELEM (date);
 386
 387         case tok_category:
 388           /* Ignore the rest of the line if we don't need the input of
 389              this line.  */
 390           if (ignore_content)
 391             {
 392               lr_ignore_rest (ldfile, 0);
 393               break;
 394             }
 395
 396           /* We expect two operands.  */
 397           arg = lr_token (ldfile, charmap, NULL, verbose);
 398           if (arg->tok != tok_string && arg->tok != tok_ident)
 399             goto err_label;
 400           /* Next is a semicolon.  */
 401           cattok = lr_token (ldfile, charmap, NULL, verbose);
 402           if (cattok->tok != tok_semicolon)
 403             goto err_label;
 404           /* Now a LC_xxx identifier.  */
 405           cattok = lr_token (ldfile, charmap, NULL, verbose);
 406           switch (cattok->tok)
 407             {
 408 #define CATEGORY(lname, uname) \
 409             case tok_lc_##lname:                                              \
 410               category = LC_##uname;                                          \
 411               break
 412
 413               CATEGORY (identification, IDENTIFICATION);
 414               CATEGORY (ctype, CTYPE);
 415               CATEGORY (collate, COLLATE);
 416               CATEGORY (time, TIME);
 417               CATEGORY (numeric, NUMERIC);
 418               CATEGORY (monetary, MONETARY);
 419               CATEGORY (messages, MESSAGES);
 420               CATEGORY (paper, PAPER);
 421               CATEGORY (name, NAME);
 422               CATEGORY (address, ADDRESS);
 423               CATEGORY (telephone, TELEPHONE);
 424               CATEGORY (measurement, MEASUREMENT);
 425
 426             default:
 427               goto err_label;
 428             }
 429           if (identification->category[category] != NULL)
 430             {
 431               lr_error (ldfile, _("\
 432 %s: duplicate category version definition"), "LC_IDENTIFICATION");
 433               free (arg->val.str.startmb);
 434             }
 435           else
 436             identification->category[category] = arg->val.str.startmb;
 437           break;
 438
 439         case tok_end:
 440           /* Next we assume `LC_IDENTIFICATION'.  */
 441           arg = lr_token (ldfile, charmap, NULL, verbose);
 442           if (arg->tok == tok_eof)
 443             break;
 444           if (arg->tok == tok_eol)
 445             lr_error (ldfile, _("%s: incomplete `END' line"),
 446                       "LC_IDENTIFICATION");
 447           else if (arg->tok != tok_lc_identification)
 448             lr_error (ldfile, _("\
 449 %1$s: definition does not end with `END %1$s'"), "LC_IDENTIFICATION");
 450           lr_ignore_rest (ldfile, arg->tok == tok_lc_identification);
 451           return;
 452
 453         default:
 454         err_label:
 455           SYNTAX_ERROR (_("%s: syntax error"), "LC_IDENTIFICATION");
 456         }
 457
 458       /* Prepare for the next round.  */
 459       now = lr_token (ldfile, charmap, NULL, verbose);
 460       nowtok = now->tok;
 461     }
 462
 463   /* When we come here we reached the end of the file.  */
 464   lr_error (ldfile, _("%s: premature end of file"), "LC_IDENTIFICATION");
 465 }