locale/programs/ld-identification.c

   1 /* Copyright (C) 1998-2015 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     if (num != LC_ALL && identification->category[num] == NULL)
 168       {
 169         if (verbose && ! nothing)
 170           WITH_CUR_LOCALE (error (0, 0, _("\
 171 %s: no identification for category `%s'"),
 172                                   "LC_IDENTIFICATION", category_name[num]));
 173         identification->category[num] = "";
 174       }
 175 }
 176
 177
 178 void
 179 identification_output (struct localedef_t *locale,
 180                        const struct charmap_t *charmap,
 181                        const char *output_path)
 182 {
 183   struct locale_identification_t *identification
 184     = locale->categories[LC_IDENTIFICATION].identification;
 185   struct locale_file file;
 186   size_t num;
 187
 188   init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_IDENTIFICATION));
 189   add_locale_string (&file, identification->title);
 190   add_locale_string (&file, identification->source);
 191   add_locale_string (&file, identification->address);
 192   add_locale_string (&file, identification->contact);
 193   add_locale_string (&file, identification->email);
 194   add_locale_string (&file, identification->tel);
 195   add_locale_string (&file, identification->fax);
 196   add_locale_string (&file, identification->language);
 197   add_locale_string (&file, identification->territory);
 198   add_locale_string (&file, identification->audience);
 199   add_locale_string (&file, identification->application);
 200   add_locale_string (&file, identification->abbreviation);
 201   add_locale_string (&file, identification->revision);
 202   add_locale_string (&file, identification->date);
 203   start_locale_structure (&file);
 204   for (num = 0; num < __LC_LAST; ++num)
 205     if (num != LC_ALL)
 206       add_locale_string (&file, identification->category[num]);
 207   end_locale_structure (&file);
 208   add_locale_string (&file, charmap->code_set_name);
 209   write_locale_data (output_path, LC_IDENTIFICATION, "LC_IDENTIFICATION",
 210                      &file);
 211 }
 212
 213
 214 /* The parser for the LC_IDENTIFICATION section of the locale definition.  */
 215 void
 216 identification_read (struct linereader *ldfile, struct localedef_t *result,
 217                const struct charmap_t *charmap, const char *repertoire_name,
 218                int ignore_content)
 219 {
 220   struct locale_identification_t *identification;
 221   struct token *now;
 222   struct token *arg;
 223   struct token *cattok;
 224   int category;
 225   enum token_t nowtok;
 226
 227   /* The rest of the line containing `LC_IDENTIFICATION' must be free.  */
 228   lr_ignore_rest (ldfile, 1);
 229
 230   do
 231     {
 232       now = lr_token (ldfile, charmap, result, NULL, verbose);
 233       nowtok = now->tok;
 234     }
 235   while (nowtok == tok_eol);
 236
 237   /* If we see `copy' now we are almost done.  */
 238   if (nowtok == tok_copy)
 239     {
 240       handle_copy (ldfile, charmap, repertoire_name, result,
 241                    tok_lc_identification, LC_IDENTIFICATION,
 242                    "LC_IDENTIFICATION", ignore_content);
 243       return;
 244     }
 245
 246   /* Prepare the data structures.  */
 247   identification_startup (ldfile, result, ignore_content);
 248   identification = result->categories[LC_IDENTIFICATION].identification;
 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 (identification->cat != NULL)                                    \
 280             lr_error (ldfile, _("\
 281 %s: field `%s' declared more than once"), "LC_IDENTIFICATION", #cat);         \
 282           else if (!ignore_content && arg->val.str.startmb == NULL)           \
 283             {                                                                 \
 284               lr_error (ldfile, _("\
 285 %s: unknown character in field `%s'"), "LC_IDENTIFICATION", #cat);            \
 286               identification->cat = "";                                       \
 287             }                                                                 \
 288           else if (!ignore_content)                                           \
 289             identification->cat = arg->val.str.startmb;                       \
 290           break
 291
 292           STR_ELEM (title);
 293           STR_ELEM (source);
 294           STR_ELEM (address);
 295           STR_ELEM (contact);
 296           STR_ELEM (email);
 297           STR_ELEM (tel);
 298           STR_ELEM (fax);
 299           STR_ELEM (language);
 300           STR_ELEM (territory);
 301           STR_ELEM (audience);
 302           STR_ELEM (application);
 303           STR_ELEM (abbreviation);
 304           STR_ELEM (revision);
 305           STR_ELEM (date);
 306
 307         case tok_category:
 308           /* Ignore the rest of the line if we don't need the input of
 309              this line.  */
 310           if (ignore_content)
 311             {
 312               lr_ignore_rest (ldfile, 0);
 313               break;
 314             }
 315
 316           /* We expect two operands.  */
 317           arg = lr_token (ldfile, charmap, result, NULL, verbose);
 318           if (arg->tok != tok_string && arg->tok != tok_ident)
 319             goto err_label;
 320           /* Next is a semicolon.  */
 321           cattok = lr_token (ldfile, charmap, result, NULL, verbose);
 322           if (cattok->tok != tok_semicolon)
 323             goto err_label;
 324           /* Now a LC_xxx identifier.  */
 325           cattok = lr_token (ldfile, charmap, result, NULL, verbose);
 326           switch (cattok->tok)
 327             {
 328 #define CATEGORY(lname, uname) \
 329             case tok_lc_##lname:                                              \
 330               category = LC_##uname;                                          \
 331               break
 332
 333               CATEGORY (identification, IDENTIFICATION);
 334               CATEGORY (ctype, CTYPE);
 335               CATEGORY (collate, COLLATE);
 336               CATEGORY (time, TIME);
 337               CATEGORY (numeric, NUMERIC);
 338               CATEGORY (monetary, MONETARY);
 339               CATEGORY (messages, MESSAGES);
 340               CATEGORY (paper, PAPER);
 341               CATEGORY (name, NAME);
 342               CATEGORY (address, ADDRESS);
 343               CATEGORY (telephone, TELEPHONE);
 344               CATEGORY (measurement, MEASUREMENT);
 345
 346             default:
 347               goto err_label;
 348             }
 349           if (identification->category[category] != NULL)
 350             {
 351               lr_error (ldfile, _("\
 352 %s: duplicate category version definition"), "LC_IDENTIFICATION");
 353               free (arg->val.str.startmb);
 354             }
 355           else
 356             identification->category[category] = arg->val.str.startmb;
 357           break;
 358
 359         case tok_end:
 360           /* Next we assume `LC_IDENTIFICATION'.  */
 361           arg = lr_token (ldfile, charmap, result, NULL, verbose);
 362           if (arg->tok == tok_eof)
 363             break;
 364           if (arg->tok == tok_eol)
 365             lr_error (ldfile, _("%s: incomplete `END' line"),
 366                       "LC_IDENTIFICATION");
 367           else if (arg->tok != tok_lc_identification)
 368             lr_error (ldfile, _("\
 369 %1$s: definition does not end with `END %1$s'"), "LC_IDENTIFICATION");
 370           lr_ignore_rest (ldfile, arg->tok == tok_lc_identification);
 371           return;
 372
 373         default:
 374         err_label:
 375           SYNTAX_ERROR (_("%s: syntax error"), "LC_IDENTIFICATION");
 376         }
 377
 378       /* Prepare for the next round.  */
 379       now = lr_token (ldfile, charmap, result, NULL, verbose);
 380       nowtok = now->tok;
 381     }
 382
 383   /* When we come here we reached the end of the file.  */
 384   lr_error (ldfile, _("%s: premature end of file"), "LC_IDENTIFICATION");
 385 }