locale/programs/ld-identification.c

   1 /* Copyright (C) 1998-2017 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 <stdint.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_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,
  99                        const struct charmap_t *charmap)
 100 {
 101   struct locale_identification_t *identification
 102     = locale->categories[LC_IDENTIFICATION].identification;
 103   int nothing = 0;
 104   size_t num;
 105
 106   /* Now resolve copying and also handle completely missing definitions.  */
 107   if (identification == NULL)
 108     {
 109       /* First see whether we were supposed to copy.  If yes, find the
 110          actual definition.  */
 111       if (locale->copy_name[LC_IDENTIFICATION] != NULL)
 112         {
 113           /* Find the copying locale.  This has to happen transitively since
 114              the locale we are copying from might also copying another one.  */
 115           struct localedef_t *from = locale;
 116
 117           do
 118             from = find_locale (LC_IDENTIFICATION,
 119                                 from->copy_name[LC_IDENTIFICATION],
 120                                 from->repertoire_name, charmap);
 121           while (from->categories[LC_IDENTIFICATION].identification == NULL
 122                  && from->copy_name[LC_IDENTIFICATION] != NULL);
 123
 124           identification = locale->categories[LC_IDENTIFICATION].identification
 125             = from->categories[LC_IDENTIFICATION].identification;
 126         }
 127
 128       /* If there is still no definition issue an warning and create an
 129          empty one.  */
 130       if (identification == NULL)
 131         {
 132           if (! be_quiet)
 133             WITH_CUR_LOCALE (error (0, 0, _("\
 134 No definition for %s category found"), "LC_IDENTIFICATION"));
 135           identification_startup (NULL, locale, 0);
 136           identification
 137             = locale->categories[LC_IDENTIFICATION].identification;
 138           nothing = 1;
 139         }
 140     }
 141
 142 #define TEST_ELEM(cat) \
 143   if (identification->cat == NULL)                                            \
 144     {                                                                         \
 145       if (verbose && ! nothing)                                               \
 146         WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),        \
 147                                 "LC_IDENTIFICATION", #cat));                  \
 148       identification->cat = "";                                               \
 149     }
 150
 151   TEST_ELEM (title);
 152   TEST_ELEM (source);
 153   TEST_ELEM (address);
 154   TEST_ELEM (contact);
 155   TEST_ELEM (email);
 156   TEST_ELEM (tel);
 157   TEST_ELEM (fax);
 158   TEST_ELEM (language);
 159   TEST_ELEM (territory);
 160   TEST_ELEM (audience);
 161   TEST_ELEM (application);
 162   TEST_ELEM (abbreviation);
 163   TEST_ELEM (revision);
 164   TEST_ELEM (date);
 165
 166   for (num = 0; num < __LC_LAST; ++num)
 167     {
 168       /* We don't accept/parse this category, so skip it early.  */
 169       if (num == LC_ALL)
 170         continue;
 171
 172       if (identification->category[num] == NULL)
 173         {
 174           if (verbose && ! nothing)
 175             WITH_CUR_LOCALE (error (0, 0, _("\
 176 %s: no identification for category `%s'"),
 177                                     "LC_IDENTIFICATION", category_name[num]));
 178           identification->category[num] = "";
 179         }
 180       else
 181         {
 182           /* Only list the standards we care about.  This is based on the
 183              ISO 30112 WD10 [2014] standard which supersedes all previous
 184              revisions of the ISO 14652 standard.  */
 185           static const char * const standards[] =
 186             {
 187               "posix:1993",
 188               "i18n:2004",
 189               "i18n:2012",
 190             };
 191           size_t i;
 192           bool matched = false;
 193
 194           for (i = 0; i < sizeof (standards) / sizeof (standards[0]); ++i)
 195             if (strcmp (identification->category[num], standards[i]) == 0)
 196               matched = true;
 197
 198           if (matched != true)
 199             WITH_CUR_LOCALE (error (0, 0, _("\
 200 %s: unknown standard `%s' for category `%s'"),
 201                                     "LC_IDENTIFICATION",
 202                                     identification->category[num],
 203                                     category_name[num]));
 204         }
 205     }
 206 }
 207
 208
 209 void
 210 identification_output (struct localedef_t *locale,
 211                        const struct charmap_t *charmap,
 212                        const char *output_path)
 213 {
 214   struct locale_identification_t *identification
 215     = locale->categories[LC_IDENTIFICATION].identification;
 216   struct locale_file file;
 217   size_t num;
 218
 219   init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION));
 220   add_locale_string (&file, identification->title);
 221   add_locale_string (&file, identification->source);
 222   add_locale_string (&file, identification->address);
 223   add_locale_string (&file, identification->contact);
 224   add_locale_string (&file, identification->email);
 225   add_locale_string (&file, identification->tel);
 226   add_locale_string (&file, identification->fax);
 227   add_locale_string (&file, identification->language);
 228   add_locale_string (&file, identification->territory);
 229   add_locale_string (&file, identification->audience);
 230   add_locale_string (&file, identification->application);
 231   add_locale_string (&file, identification->abbreviation);
 232   add_locale_string (&file, identification->revision);
 233   add_locale_string (&file, identification->date);
 234   start_locale_structure (&file);
 235   for (num = 0; num < __LC_LAST; ++num)
 236     if (num != LC_ALL)
 237       add_locale_string (&file, identification->category[num]);
 238   end_locale_structure (&file);
 239   add_locale_string (&file, charmap->code_set_name);
 240   write_locale_data (output_path, LC_IDENTIFICATION, "LC_IDENTIFICATION",
 241                      &file);
 242 }
 243
 244
 245 /* The parser for the LC_IDENTIFICATION section of the locale definition.  */
 246 void
 247 identification_read (struct linereader *ldfile, struct localedef_t *result,
 248                const struct charmap_t *charmap, const char *repertoire_name,
 249                int ignore_content)
 250 {
 251   struct locale_identification_t *identification;
 252   struct token *now;
 253   struct token *arg;
 254   struct token *cattok;
 255   int category;
 256   enum token_t nowtok;
 257
 258   /* The rest of the line containing `LC_IDENTIFICATION' must be free.  */
 259   lr_ignore_rest (ldfile, 1);
 260
 261   do
 262     {
 263       now = lr_token (ldfile, charmap, result, NULL, verbose);
 264       nowtok = now->tok;
 265     }
 266   while (nowtok == tok_eol);
 267
 268   /* If we see `copy' now we are almost done.  */
 269   if (nowtok == tok_copy)
 270     {
 271       handle_copy (ldfile, charmap, repertoire_name, result,
 272                    tok_lc_identification, LC_IDENTIFICATION,
 273                    "LC_IDENTIFICATION", ignore_content);
 274       return;
 275     }
 276
 277   /* Prepare the data structures.  */
 278   identification_startup (ldfile, result, ignore_content);
 279   identification = result->categories[LC_IDENTIFICATION].identification;
 280
 281   while (1)
 282     {
 283       /* Of course we don't proceed beyond the end of file.  */
 284       if (nowtok == tok_eof)
 285         break;
 286
 287       /* Ignore empty lines.  */
 288       if (nowtok == tok_eol)
 289         {
 290           now = lr_token (ldfile, charmap, result, NULL, verbose);
 291           nowtok = now->tok;
 292           continue;
 293         }
 294
 295       switch (nowtok)
 296         {
 297 #define STR_ELEM(cat) \
 298         case tok_##cat:                                                       \
 299           /* Ignore the rest of the line if we don't need the input of        \
 300              this line.  */                                                   \
 301           if (ignore_content)                                                 \
 302             {                                                                 \
 303               lr_ignore_rest (ldfile, 0);                                     \
 304               break;                                                          \
 305             }                                                                 \
 306                                                                               \
 307           arg = lr_token (ldfile, charmap, result, NULL, verbose);            \
 308           if (arg->tok != tok_string)                                         \
 309             goto err_label;                                                   \
 310           if (identification->cat != NULL)                                    \
 311             lr_error (ldfile, _("\
 312 %s: field `%s' declared more than once"), "LC_IDENTIFICATION", #cat);         \
 313           else if (!ignore_content && arg->val.str.startmb == NULL)           \
 314             {                                                                 \
 315               lr_error (ldfile, _("\
 316 %s: unknown character in field `%s'"), "LC_IDENTIFICATION", #cat);            \
 317               identification->cat = "";                                       \
 318             }                                                                 \
 319           else if (!ignore_content)                                           \
 320             identification->cat = arg->val.str.startmb;                       \
 321           break
 322
 323           STR_ELEM (title);
 324           STR_ELEM (source);
 325           STR_ELEM (address);
 326           STR_ELEM (contact);
 327           STR_ELEM (email);
 328           STR_ELEM (tel);
 329           STR_ELEM (fax);
 330           STR_ELEM (language);
 331           STR_ELEM (territory);
 332           STR_ELEM (audience);
 333           STR_ELEM (application);
 334           STR_ELEM (abbreviation);
 335           STR_ELEM (revision);
 336           STR_ELEM (date);
 337
 338         case tok_category:
 339           /* Ignore the rest of the line if we don't need the input of
 340              this line.  */
 341           if (ignore_content)
 342             {
 343               lr_ignore_rest (ldfile, 0);
 344               break;
 345             }
 346
 347           /* We expect two operands.  */
 348           arg = lr_token (ldfile, charmap, result, NULL, verbose);
 349           if (arg->tok != tok_string && arg->tok != tok_ident)
 350             goto err_label;
 351           /* Next is a semicolon.  */
 352           cattok = lr_token (ldfile, charmap, result, NULL, verbose);
 353           if (cattok->tok != tok_semicolon)
 354             goto err_label;
 355           /* Now a LC_xxx identifier.  */
 356           cattok = lr_token (ldfile, charmap, result, NULL, verbose);
 357           switch (cattok->tok)
 358             {
 359 #define CATEGORY(lname, uname) \
 360             case tok_lc_##lname:                                              \
 361               category = LC_##uname;                                          \
 362               break
 363
 364               CATEGORY (identification, IDENTIFICATION);
 365               CATEGORY (ctype, CTYPE);
 366               CATEGORY (collate, COLLATE);
 367               CATEGORY (time, TIME);
 368               CATEGORY (numeric, NUMERIC);
 369               CATEGORY (monetary, MONETARY);
 370               CATEGORY (messages, MESSAGES);
 371               CATEGORY (paper, PAPER);
 372               CATEGORY (name, NAME);
 373               CATEGORY (address, ADDRESS);
 374               CATEGORY (telephone, TELEPHONE);
 375               CATEGORY (measurement, MEASUREMENT);
 376
 377             default:
 378               goto err_label;
 379             }
 380           if (identification->category[category] != NULL)
 381             {
 382               lr_error (ldfile, _("\
 383 %s: duplicate category version definition"), "LC_IDENTIFICATION");
 384               free (arg->val.str.startmb);
 385             }
 386           else
 387             identification->category[category] = arg->val.str.startmb;
 388           break;
 389
 390         case tok_end:
 391           /* Next we assume `LC_IDENTIFICATION'.  */
 392           arg = lr_token (ldfile, charmap, result, NULL, verbose);
 393           if (arg->tok == tok_eof)
 394             break;
 395           if (arg->tok == tok_eol)
 396             lr_error (ldfile, _("%s: incomplete `END' line"),
 397                       "LC_IDENTIFICATION");
 398           else if (arg->tok != tok_lc_identification)
 399             lr_error (ldfile, _("\
 400 %1$s: definition does not end with `END %1$s'"), "LC_IDENTIFICATION");
 401           lr_ignore_rest (ldfile, arg->tok == tok_lc_identification);
 402           return;
 403
 404         default:
 405         err_label:
 406           SYNTAX_ERROR (_("%s: syntax error"), "LC_IDENTIFICATION");
 407         }
 408
 409       /* Prepare for the next round.  */
 410       now = lr_token (ldfile, charmap, result, NULL, verbose);
 411       nowtok = now->tok;
 412     }
 413
 414   /* When we come here we reached the end of the file.  */
 415   lr_error (ldfile, _("%s: premature end of file"), "LC_IDENTIFICATION");
 416 }