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ld-address.c

/* Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <byteswap.h>
#include <error.h>
#include <langinfo.h>
#include <string.h>
#include <sys/uio.h>

#include <assert.h>

#include "localedef.h"
#include "localeinfo.h"
#include "locfile.h"


static struct
{
  const char ab2[3];
  const char ab3[4];
  uint32_t num;
} iso3166[] =
{
#define DEFINE_COUNTRY_CODE(Name, Ab2, Ab3, Num) \
  { #Ab2, #Ab3, Num },
#include "iso-3166.def"
};


static struct
{
  const char ab[3];
  const char term[4];
  const char lib[4];
} iso639[] =
{
#define DEFINE_LANGUAGE_CODE(Name, Ab, Term, Lib) \
  { #Ab, #Term, #Lib },
#define DEFINE_LANGUAGE_CODE3(Name, Term, Lib) \
  { "", #Term, #Lib },
#include "iso-639.def"
};


/* The real definition of the struct for the LC_ADDRESS locale.  */
struct locale_address_t
{
  const char *postal_fmt;
  const char *country_name;
  const char *country_post;
  const char *country_ab2;
  const char *country_ab3;
  uint32_t country_num;
  const char *country_car;
  const char *country_isbn;
  const char *lang_name;
  const char *lang_ab;
  const char *lang_term;
  const char *lang_lib;
};


static void
address_startup (struct linereader *lr, struct localedef_t *locale,
             int ignore_content)
{
  if (!ignore_content)
    locale->categories[LC_ADDRESS].address =
      (struct locale_address_t *) xcalloc (1,
                                 sizeof (struct locale_address_t));

  if (lr != NULL)
    {
      lr->translate_strings = 1;
      lr->return_widestr = 0;
    }
}


void
address_finish (struct localedef_t *locale, const struct charmap_t *charmap)
{
  struct locale_address_t *address = locale->categories[LC_ADDRESS].address;
  size_t cnt;
  int helper;
  int nothing = 0;

  /* Now resolve copying and also handle completely missing definitions.  */
  if (address == NULL)
    {
      /* First see whether we were supposed to copy.  If yes, find the
       actual definition.  */
      if (locale->copy_name[LC_ADDRESS] != NULL)
      {
        /* Find the copying locale.  This has to happen transitively since
           the locale we are copying from might also copying another one.  */
        struct localedef_t *from = locale;

        do
          from = find_locale (LC_ADDRESS, from->copy_name[LC_ADDRESS],
                        from->repertoire_name, charmap);
        while (from->categories[LC_ADDRESS].address == NULL
             && from->copy_name[LC_ADDRESS] != NULL);

        address = locale->categories[LC_ADDRESS].address
          = from->categories[LC_ADDRESS].address;
      }

      /* If there is still no definition issue an warning and create an
       empty one.  */
      if (address == NULL)
      {
        if (! be_quiet)
          WITH_CUR_LOCALE (error (0, 0, _("\
No definition for %s category found"), "LC_ADDRESS"));
        address_startup (NULL, locale, 0);
        address = locale->categories[LC_ADDRESS].address;
        nothing = 1;
      }
    }

  if (address->postal_fmt == NULL)
    {
      if (! nothing)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
                        "LC_ADDRESS", "postal_fmt"));
      /* Use as the default value the value of the i18n locale.  */
      address->postal_fmt = "%a%N%f%N%d%N%b%N%s %h %e %r%N%C-%z %T%N%c%N";
    }
  else
    {
      /* We must check whether the format string contains only the
       allowed escape sequences.  */
      const char *cp = address->postal_fmt;

      if (*cp == '\0')
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' must not be empty"),
                        "LC_ADDRESS", "postal_fmt"));
      else
      while (*cp != '\0')
        {
          if (*cp == '%')
            {
            if (*++cp == 'R')
              /* Romanize-flag.  */
              ++cp;
            if (strchr ("afdbshNtreCzTSc%", *cp) == NULL)
              {
                WITH_CUR_LOCALE (error (0, 0, _("\
%s: invalid escape `%%%c' sequence in field `%s'"),
                                  "LC_ADDRESS", *cp, "postal_fmt"));
                break;
              }
            }
          ++cp;
        }
    }

#define TEST_ELEM(cat) \
  if (address->cat == NULL)                                       \
    {                                                       \
      if (verbose && ! nothing)                                         \
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),          \
                        "LC_ADDRESS", #cat));                     \
      address->cat = "";                                          \
    }

  TEST_ELEM (country_name);
  /* XXX Test against list of defined codes.  */
  TEST_ELEM (country_post);
  /* XXX Test against list of defined codes.  */
  TEST_ELEM (country_car);
  /* XXX Test against list of defined codes.  */
  TEST_ELEM (country_isbn);
  TEST_ELEM (lang_name);

  helper = 1;
  if (address->lang_term == NULL)
    {
      if (verbose && ! nothing)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
                        "LC_ADDRESS", "lang_term"));
      address->lang_term = "";
      cnt = sizeof (iso639) / sizeof (iso639[0]);
    }
  else if (address->lang_term[0] == '\0')
    {
      if (verbose)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' must not be empty"),
                        "LC_ADDRESS", "lang_term"));
      cnt = sizeof (iso639) / sizeof (iso639[0]);
    }
  else
    {
      /* Look for this language in the table.  */
      for (cnt = 0; cnt < sizeof (iso639) / sizeof (iso639[0]); ++cnt)
      if (strcmp (address->lang_term, iso639[cnt].term) == 0)
        break;
      if (cnt == sizeof (iso639) / sizeof (iso639[0]))
      WITH_CUR_LOCALE (error (0, 0, _("\
%s: terminology language code `%s' not defined"),
                        "LC_ADDRESS", address->lang_term));
    }

  if (address->lang_ab == NULL)
    {
      if (verbose && ! nothing)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
                        "LC_ADDRESS", "lang_ab"));
      address->lang_ab = "";
    }
  else if (address->lang_ab[0] == '\0')
    {
      if (verbose)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' must not be empty"),
                        "LC_ADDRESS", "lang_ab"));
    }
  else
    {
      if (cnt == sizeof (iso639) / sizeof (iso639[0]))
      {
        helper = 2;
        for (cnt = 0; cnt < sizeof (iso639) / sizeof (iso639[0]); ++cnt)
          if (strcmp (address->lang_ab, iso639[cnt].ab) == 0)
            break;
        if (cnt == sizeof (iso639) / sizeof (iso639[0]))
          WITH_CUR_LOCALE (error (0, 0, _("\
%s: language abbreviation `%s' not defined"),
                            "LC_ADDRESS", address->lang_ab));
      }
      else
      if (strcmp (iso639[cnt].ab, address->lang_ab) != 0
          && iso639[cnt].ab[0] != '\0')
        WITH_CUR_LOCALE (error (0, 0, _("\
%s: `%s' value does not match `%s' value"),
                          "LC_ADDRESS", "lang_ab", "lang_term"));
    }

  if (address->lang_lib == NULL)
    /* This is no error.  */
    address->lang_lib = address->lang_term;
  else if (address->lang_lib[0] == '\0')
    {
      if (verbose)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' must not be empty"),
                        "LC_ADDRESS", "lang_lib"));
    }
  else
    {
      if (cnt == sizeof (iso639) / sizeof (iso639[0]))
      {
        for (cnt = 0; cnt < sizeof (iso639) / sizeof (iso639[0]); ++cnt)
          if (strcmp (address->lang_lib, iso639[cnt].lib) == 0)
            break;
        if (cnt == sizeof (iso639) / sizeof (iso639[0]))
          WITH_CUR_LOCALE (error (0, 0, _("\
%s: language abbreviation `%s' not defined"),
                            "LC_ADDRESS", address->lang_lib));
      }
      else
      if (strcmp (iso639[cnt].ab, address->lang_ab) != 0)
        WITH_CUR_LOCALE (error (0, 0, _("\
%s: `%s' value does not match `%s' value"), "LC_ADDRESS", "lang_lib",
                          helper == 1 ? "lang_term" : "lang_ab"));
    }

  if (address->country_num == 0)
    {
      if (verbose && ! nothing)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
                        "LC_ADDRESS", "country_num"));
      cnt = sizeof (iso3166) / sizeof (iso3166[0]);
    }
  else
    {
      for (cnt = 0; cnt < sizeof (iso3166) / sizeof (iso3166[0]); ++cnt)
      if (address->country_num == iso3166[cnt].num)
        break;

      if (cnt == sizeof (iso3166) / sizeof (iso3166[0]))
      WITH_CUR_LOCALE (error (0, 0, _("\
%s: numeric country code `%d' not valid"),
                        "LC_ADDRESS", address->country_num));
    }

  if (address->country_ab2 == NULL)
    {
      if (verbose && ! nothing)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
                        "LC_ADDRESS", "country_ab2"));
      address->country_ab2 = "  ";
    }
  else if (cnt != sizeof (iso3166) / sizeof (iso3166[0])
         && strcmp (address->country_ab2, iso3166[cnt].ab2) != 0)
    WITH_CUR_LOCALE (error (0, 0,
                      _("%s: `%s' value does not match `%s' value"),
                      "LC_ADDRESS", "country_ab2", "country_num"));

  if (address->country_ab3 == NULL)
    {
      if (verbose && ! nothing)
      WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"),
                        "LC_ADDRESS", "country_ab3"));
      address->country_ab3 = "   ";
    }
  else if (cnt != sizeof (iso3166) / sizeof (iso3166[0])
         && strcmp (address->country_ab3, iso3166[cnt].ab3) != 0)
    WITH_CUR_LOCALE (error (0, 0, _("\
%s: `%s' value does not match `%s' value"),
                      "LC_ADDRESS", "country_ab3", "country_num"));
}


void
address_output (struct localedef_t *locale, const struct charmap_t *charmap,
            const char *output_path)
{
  struct locale_address_t *address = locale->categories[LC_ADDRESS].address;
  struct iovec iov[3 + _NL_ITEM_INDEX (_NL_NUM_LC_ADDRESS)];
  struct locale_file data;
  uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_ADDRESS)];
  size_t cnt = 0;

  data.magic = LIMAGIC (LC_ADDRESS);
  data.n = _NL_ITEM_INDEX (_NL_NUM_LC_ADDRESS);
  iov[cnt].iov_base = (void *) &data;
  iov[cnt].iov_len = sizeof (data);
  ++cnt;

  iov[cnt].iov_base = (void *) idx;
  iov[cnt].iov_len = sizeof (idx);
  ++cnt;

  idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
  iov[cnt].iov_base = (void *) address->postal_fmt;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->country_name;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->country_post;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->country_ab2;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->country_ab3;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->country_car;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;

  /* Align following data */
  iov[cnt].iov_base = (void *) "\0\0";
  iov[cnt].iov_len = ((idx[cnt - 2] + 3) & ~3) - idx[cnt - 2];
  idx[cnt - 2] = (idx[cnt - 2] + 3) & ~3;
  ++cnt;

  iov[cnt].iov_base = (void *) &address->country_num;
  iov[cnt].iov_len = sizeof (uint32_t);
  ++cnt;

  idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->country_isbn;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->lang_name;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->lang_ab;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->lang_term;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) address->lang_lib;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  idx[cnt - 3] = idx[cnt - 4] + iov[cnt - 1].iov_len;
  iov[cnt].iov_base = (void *) charmap->code_set_name;
  iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
  ++cnt;

  assert (cnt == 3 + _NL_ITEM_INDEX (_NL_NUM_LC_ADDRESS));

  write_locale_data (output_path, LC_ADDRESS, "LC_ADDRESS",
                 3 + _NL_ITEM_INDEX (_NL_NUM_LC_ADDRESS), iov);
}


/* The parser for the LC_ADDRESS section of the locale definition.  */
void
address_read (struct linereader *ldfile, struct localedef_t *result,
            const struct charmap_t *charmap, const char *repertoire_name,
            int ignore_content)
{
  struct locale_address_t *address;
  struct token *now;
  struct token *arg;
  enum token_t nowtok;

  /* The rest of the line containing `LC_ADDRESS' must be free.  */
  lr_ignore_rest (ldfile, 1);


  do
    {
      now = lr_token (ldfile, charmap, result, NULL, verbose);
      nowtok = now->tok;
    }
  while (nowtok == tok_eol);

  /* If we see `copy' now we are almost done.  */
  if (nowtok == tok_copy)
    {
      handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_address,
               LC_ADDRESS, "LC_ADDRESS", ignore_content);
      return;
    }

  /* Prepare the data structures.  */
  address_startup (ldfile, result, ignore_content);
  address = result->categories[LC_ADDRESS].address;

  while (1)
    {
      /* Of course we don't proceed beyond the end of file.  */
      if (nowtok == tok_eof)
      break;

      /* Ignore empty lines.  */
      if (nowtok == tok_eol)
      {
        now = lr_token (ldfile, charmap, result, NULL, verbose);
        nowtok = now->tok;
        continue;
      }

      switch (nowtok)
      {
#define STR_ELEM(cat) \
      case tok_##cat:                                             \
        /* Ignore the rest of the line if we don't need the input of          \
           this line.  */                                         \
        if (ignore_content)                                       \
          {                                                 \
            lr_ignore_rest (ldfile, 0);                           \
            break;                                                \
          }                                                 \
                                                            \
        arg = lr_token (ldfile, charmap, result, NULL, verbose);        \
        if (arg->tok != tok_string)                               \
          goto err_label;                                         \
        if (address->cat != NULL)                                 \
          lr_error (ldfile, _("\
%s: field `%s' declared more than once"), "LC_ADDRESS", #cat);                \
        else if (!ignore_content && arg->val.str.startmb == NULL)       \
          {                                                 \
            lr_error (ldfile, _("\
%s: unknown character in field `%s'"), "LC_ADDRESS", #cat);             \
            address->cat = "";                                    \
          }                                                 \
        else if (!ignore_content)                                 \
          address->cat = arg->val.str.startmb;                    \
        break

        STR_ELEM (postal_fmt);
        STR_ELEM (country_name);
        STR_ELEM (country_post);
        STR_ELEM (country_ab2);
        STR_ELEM (country_ab3);
        STR_ELEM (country_car);
        STR_ELEM (lang_name);
        STR_ELEM (lang_ab);
        STR_ELEM (lang_term);
        STR_ELEM (lang_lib);

#define INT_STR_ELEM(cat) \
      case tok_##cat:                                             \
        /* Ignore the rest of the line if we don't need the input of          \
           this line.  */                                         \
        if (ignore_content)                                       \
          {                                                 \
            lr_ignore_rest (ldfile, 0);                           \
            break;                                                \
          }                                                 \
                                                            \
        arg = lr_token (ldfile, charmap, result, NULL, verbose);        \
        if (arg->tok != tok_string && arg->tok != tok_number)                 \
          goto err_label;                                         \
        if (address->cat != NULL)                                 \
          lr_error (ldfile, _("\
%s: field `%s' declared more than once"), "LC_ADDRESS", #cat);                \
        else if (!ignore_content && arg->tok == tok_string              \
               && arg->val.str.startmb == NULL)                   \
          {                                                 \
            lr_error (ldfile, _("\
%s: unknown character in field `%s'"), "LC_ADDRESS", #cat);             \
            address->cat = "";                                    \
          }                                                 \
        else if (!ignore_content)                                 \
          {                                                 \
            if (arg->tok == tok_string)                           \
            address->cat = arg->val.str.startmb;                        \
            else                                            \
            {                                               \
              char *numbuf = (char *) xmalloc (11);                     \
              snprintf (numbuf, 11, "%ld", arg->val.num);               \
              address->cat = numbuf;                              \
            }                                               \
          }                                                 \
        break

        INT_STR_ELEM (country_isbn);

#define INT_ELEM(cat) \
      case tok_##cat:                                             \
        /* Ignore the rest of the line if we don't need the input of          \
           this line.  */                                         \
        if (ignore_content)                                       \
          {                                                 \
            lr_ignore_rest (ldfile, 0);                           \
            break;                                                \
          }                                                 \
                                                            \
        arg = lr_token (ldfile, charmap, result, NULL, verbose);        \
        if (arg->tok != tok_number)                               \
          goto err_label;                                         \
        else if (address->cat != 0)                               \
          lr_error (ldfile, _("\
%s: field `%s' declared more than once"), "LC_ADDRESS", #cat);                \
        else if (!ignore_content)                                 \
          address->cat = arg->val.num;                            \
        break

        INT_ELEM (country_num);

      case tok_end:
        /* Next we assume `LC_ADDRESS'.  */
        arg = lr_token (ldfile, charmap, result, NULL, verbose);
        if (arg->tok == tok_eof)
          break;
        if (arg->tok == tok_eol)
          lr_error (ldfile, _("%s: incomplete `END' line"),
                  "LC_ADDRESS");
        else if (arg->tok != tok_lc_address)
          lr_error (ldfile, _("\
%1$s: definition does not end with `END %1$s'"), "LC_ADDRESS");
        lr_ignore_rest (ldfile, arg->tok == tok_lc_address);
        return;

      default:
      err_label:
        SYNTAX_ERROR (_("%s: syntax error"), "LC_ADDRESS");
      }

      /* Prepare for the next round.  */
      now = lr_token (ldfile, charmap, result, NULL, verbose);
      nowtok = now->tok;
    }

  /* When we come here we reached the end of the file.  */
  lr_error (ldfile, _("%s: premature end of file"), "LC_ADDRESS");
}

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