/* Copyright (C) 1995-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@gnu.org>, 1995.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published

   by the Free Software Foundation; version 2 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, see <http://www.gnu.org/licenses/>.  */

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <byteswap.h>

#include <langinfo.h>

#include <stdlib.h>

#include <string.h>

#include <wchar.h>

#include <stdint.h>

#include <sys/uio.h>

#include <assert.h>

#include "localedef.h"

#include "linereader.h"

#include "localeinfo.h"

#include "locfile.h"

/* Entry describing an entry of the era specification.  */

struct era_data

{

  int32_t direction;

  int32_t offset;

  int32_t start_date[3];

  int32_t stop_date[3];

  const char *name;

  const char *format;

  uint32_t *wname;

  uint32_t *wformat;

};

/* The real definition of the struct for the LC_TIME locale.  */

struct locale_time_t

{

  const char *abday[7];

  const uint32_t *wabday[7];

  int abday_defined;

  const char *day[7];

  const uint32_t *wday[7];

  int day_defined;

  const char *abmon[12];

  const uint32_t *wabmon[12];

  int abmon_defined;

  const char *mon[12];

  const uint32_t *wmon[12];

  int mon_defined;

  const char *am_pm[2];

  const uint32_t *wam_pm[2];

  int am_pm_defined;

  const char *d_t_fmt;

  const uint32_t *wd_t_fmt;

  const char *d_fmt;

  const uint32_t *wd_fmt;

  const char *t_fmt;

  const uint32_t *wt_fmt;

  const char *t_fmt_ampm;

  const uint32_t *wt_fmt_ampm;

  const char **era;

  const uint32_t **wera;

  uint32_t num_era;

  const char *era_year;

  const uint32_t *wera_year;

  const char *era_d_t_fmt;

  const uint32_t *wera_d_t_fmt;

  const char *era_t_fmt;

  const uint32_t *wera_t_fmt;

  const char *era_d_fmt;

  const uint32_t *wera_d_fmt;

  const char *alt_digits[100];

  const uint32_t *walt_digits[100];

  const char *date_fmt;

  const uint32_t *wdate_fmt;

  int alt_digits_defined;

  const char *alt_mon[12];

  const uint32_t *walt_mon[12];

  int alt_mon_defined;

  const char *ab_alt_mon[12];

  const uint32_t *wab_alt_mon[12];

  int ab_alt_mon_defined;

  unsigned char week_ndays;

  uint32_t week_1stday;

  unsigned char week_1stweek;

  unsigned char first_weekday;

  unsigned char first_workday;

  unsigned char cal_direction;

  const char *timezone;

  const uint32_t *wtimezone;

  struct era_data *era_entries;

};

/* This constant is used to represent an empty wide character string.  */

static const uint32_t empty_wstr[1] = { 0 };

static void

time_startup (struct linereader *lr, struct localedef_t *locale,

	      int ignore_content)

{

  if (!ignore_content)

    locale->categories[LC_TIME].time =

      (struct locale_time_t *) xcalloc (1, sizeof (struct locale_time_t));

  if (lr != NULL)

    {

      lr->translate_strings = 1;

      lr->return_widestr = 1;

    }

}

void

time_finish (struct localedef_t *locale, const struct charmap_t *charmap)

{

  struct locale_time_t *time = locale->categories[LC_TIME].time;

  int nothing = 0;

  /* Now resolve copying and also handle completely missing definitions.  */

  if (time == NULL)

    {

      /* First see whether we were supposed to copy.  If yes, find the

	 actual definition.  */

      if (locale->copy_name[LC_TIME] != 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_TIME, from->copy_name[LC_TIME],

				from->repertoire_name, charmap);

	  while (from->categories[LC_TIME].time == NULL

		 && from->copy_name[LC_TIME] != NULL);

	  time = locale->categories[LC_TIME].time

	    = from->categories[LC_TIME].time;

	}

      /* If there is still no definition issue an warning and create an

	 empty one.  */

      if (time == NULL)

	{

	  record_warning (_("\

No definition for %s category found"), "LC_TIME");

	  time_startup (NULL, locale, 0);

	  time = locale->categories[LC_TIME].time;

	  nothing = 1;

	}

    }

#define noparen(arg1, argn...) arg1, ##argn

#define TESTARR_ELEM(cat, val) \

  if (!time->cat##_defined)						      \

    {									      \

      const char *initval[] = { noparen val };				      \

      unsigned int i;							      \

									      \

      if (! nothing)					    		      \

	record_error (0, 0, _("%s: field `%s' not defined"),	      	      \

		      "LC_TIME", #cat);          			      \

									      \

      for (i = 0; i < sizeof (initval) / sizeof (initval[0]); ++i)	      \

	time->cat[i] = initval[i];					      \

    }

  TESTARR_ELEM (abday, ( "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ));

  TESTARR_ELEM (day, ( "Sunday", "Monday", "Tuesday", "Wednesday",

		        "Thursday", "Friday", "Saturday" ));

  TESTARR_ELEM (abmon, ( "Jan", "Feb", "Mar", "Apr", "May", "Jun",

			  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ));

  TESTARR_ELEM (mon, ( "January", "February", "March", "April",

			"May", "June", "July", "August",

			"September", "October", "November", "December" ));

  TESTARR_ELEM (am_pm, ( "AM", "PM" ));

#define TEST_ELEM(cat, initval) \

  if (time->cat == NULL)						      \

    {									      \

      if (! nothing)							      \

	record_error (0, 0, _("%s: field `%s' not defined"),		      \

		      "LC_TIME", #cat);          			      \

									      \

      time->cat = initval;						      \

    }

  TEST_ELEM (d_t_fmt, "%a %b %e %H:%M:%S %Y");

  TEST_ELEM (d_fmt, "%m/%d/%y");

  TEST_ELEM (t_fmt, "%H:%M:%S");

  /* According to C.Y.Alexis Cheng <alexis@vnet.ibm.com> the T_FMT_AMPM

     field is optional.  */

  if (time->t_fmt_ampm == NULL)

    {

      if (time->am_pm[0][0] == '\0' && time->am_pm[1][0] == '\0')

	{

	  /* No AM/PM strings defined, use the 24h format as default.  */

	  time->t_fmt_ampm = time->t_fmt;

	  time->wt_fmt_ampm = time->wt_fmt;

	}

      else

	{

	  time->t_fmt_ampm = "%I:%M:%S %p";

	  time->wt_fmt_ampm = (const uint32_t *) L"%I:%M:%S %p";

	}

    }

  /* Now process the era entries.  */

  if (time->num_era != 0)

    {

      const int days_per_month[12] = { 31, 29, 31, 30, 31, 30,

				       31, 31, 30, 31 ,30, 31 };

      size_t idx;

      wchar_t *wstr;

      time->era_entries =

	(struct era_data *) xmalloc (time->num_era

				     * sizeof (struct era_data));

      for (idx = 0; idx < time->num_era; ++idx)

	{

	  size_t era_len = strlen (time->era[idx]);

	  char *str = xmalloc ((era_len + 1 + 3) & ~3);

	  char *endp;

	  memcpy (str, time->era[idx], era_len + 1);

	  /* First character must be + or - for the direction.  */

	  if (*str != '+' && *str != '-')

	    {

	      record_error (0, 0, _("\

%s: direction flag in string %Zd in `era' field is not '+' nor '-'"),

			    "LC_TIME", idx + 1);

	      /* Default arbitrarily to '+'.  */

	      time->era_entries[idx].direction = '+';

	    }

	  else

	    time->era_entries[idx].direction = *str;

	  if (*++str != ':')

	    {

	      record_error (0, 0, _("\

%s: direction flag in string %Zd in `era' field is not a single character"),

			    "LC_TIME", idx + 1);

	      (void) strsep (&str, ":");

	    }

	  else

	    ++str;

	  /* Now the offset year.  */

	  time->era_entries[idx].offset = strtol (str, &endp, 10);

	  if (endp == str)

	    {

	      record_error (0, 0, _("\

%s: invalid number for offset in string %Zd in `era' field"),

			    "LC_TIME", idx + 1);

	      (void) strsep (&str, ":");

	    }

	  else if (*endp != ':')

	    {

	      record_error (0, 0, _("\

%s: garbage at end of offset value in string %Zd in `era' field"),

			    "LC_TIME", idx + 1);

	      (void) strsep (&str, ":");

	    }

	  else

	    str = endp + 1;

	  /* Next is the starting date in ISO format.  */

	  if (strncmp (str, "-*", 2) == 0)

	    {

	      time->era_entries[idx].start_date[0] =

		time->era_entries[idx].start_date[1] =

		time->era_entries[idx].start_date[2] = 0x80000000;

	      if (str[2] != ':')

		goto garbage_start_date;

	      str += 3;

	    }

	  else if (strncmp (str, "+*", 2) == 0)

	    {

	      time->era_entries[idx].start_date[0] =

		time->era_entries[idx].start_date[1] =

		time->era_entries[idx].start_date[2] = 0x7fffffff;

	      if (str[2] != ':')

		goto garbage_start_date;

	      str += 3;

	    }

	  else

	    {

	      time->era_entries[idx].start_date[0] = strtol (str, &endp, 10);

	      if (endp == str || *endp != '/')

		goto invalid_start_date;

	      else

		str = endp + 1;

	      time->era_entries[idx].start_date[0] -= 1900;

	      /* year -1 represent 1 B.C. (not -1 A.D.) */

	      if (time->era_entries[idx].start_date[0] < -1900)

		++time->era_entries[idx].start_date[0];

	      time->era_entries[idx].start_date[1] = strtol (str, &endp, 10);

	      if (endp == str || *endp != '/')

		goto invalid_start_date;

	      else

		str = endp + 1;

	      time->era_entries[idx].start_date[1] -= 1;

	      time->era_entries[idx].start_date[2] = strtol (str, &endp, 10);

	      if (endp == str)

		{

		invalid_start_date:

		  record_error (0, 0, _("\

%s: invalid starting date in string %Zd in `era' field"),

				"LC_TIME", idx + 1);

		  (void) strsep (&str, ":");

		}

	      else if (*endp != ':')

		{

		garbage_start_date:

		  record_error (0, 0, _("\

%s: garbage at end of starting date in string %Zd in `era' field "),

				"LC_TIME", idx + 1);

		  (void) strsep (&str, ":");

		}

	      else

		{

		  str = endp + 1;

		  /* Check for valid value.  */

		  if ((time->era_entries[idx].start_date[1] < 0

		       || time->era_entries[idx].start_date[1] >= 12

		       || time->era_entries[idx].start_date[2] < 0

		       || (time->era_entries[idx].start_date[2]

			   > days_per_month[time->era_entries[idx].start_date[1]])

		       || (time->era_entries[idx].start_date[1] == 2

			   && time->era_entries[idx].start_date[2] == 29

			   && !__isleap (time->era_entries[idx].start_date[0]))))

		    record_error (0, 0, _("\

%s: starting date is invalid in string %Zd in `era' field"),

				  "LC_TIME", idx + 1);

		}

	    }

	  /* Next is the stopping date in ISO format.  */

	  if (strncmp (str, "-*", 2) == 0)

	    {

	      time->era_entries[idx].stop_date[0] =

		time->era_entries[idx].stop_date[1] =

		time->era_entries[idx].stop_date[2] = 0x80000000;

	      if (str[2] != ':')

		goto garbage_stop_date;

	      str += 3;

	    }

	  else if (strncmp (str, "+*", 2) == 0)

	    {

	      time->era_entries[idx].stop_date[0] =

		time->era_entries[idx].stop_date[1] =

		time->era_entries[idx].stop_date[2] = 0x7fffffff;

	      if (str[2] != ':')

		goto garbage_stop_date;

	      str += 3;

	    }

	  else

	    {

	      time->era_entries[idx].stop_date[0] = strtol (str, &endp, 10);

	      if (endp == str || *endp != '/')

		goto invalid_stop_date;

	      else

		str = endp + 1;

	      time->era_entries[idx].stop_date[0] -= 1900;

	      /* year -1 represent 1 B.C. (not -1 A.D.) */

	      if (time->era_entries[idx].stop_date[0] < -1900)

		++time->era_entries[idx].stop_date[0];

	      time->era_entries[idx].stop_date[1] = strtol (str, &endp, 10);

	      if (endp == str || *endp != '/')

		goto invalid_stop_date;

	      else

		str = endp + 1;

	      time->era_entries[idx].stop_date[1] -= 1;

	      time->era_entries[idx].stop_date[2] = strtol (str, &endp, 10);

	      if (endp == str)

		{

		invalid_stop_date:

		  record_error (0, 0, _("\

%s: invalid stopping date in string %Zd in `era' field"),

				"LC_TIME", idx + 1);

		  (void) strsep (&str, ":");

		}

	      else if (*endp != ':')

		{

		garbage_stop_date:

		  record_error (0, 0, _("\

%s: garbage at end of stopping date in string %Zd in `era' field"),

				"LC_TIME", idx + 1);

		  (void) strsep (&str, ":");

		}

	      else

		{

		  str = endp + 1;

		  /* Check for valid value.  */

		  if ((time->era_entries[idx].stop_date[1] < 0

		       || time->era_entries[idx].stop_date[1] >= 12

		       || time->era_entries[idx].stop_date[2] < 0

		       || (time->era_entries[idx].stop_date[2]

			   > days_per_month[time->era_entries[idx].stop_date[1]])

		       || (time->era_entries[idx].stop_date[1] == 2

			   && time->era_entries[idx].stop_date[2] == 29

			   && !__isleap (time->era_entries[idx].stop_date[0]))))

		    record_error (0, 0, _("\

%s: invalid stopping date in string %Zd in `era' field"),

				  "LC_TIME", idx + 1);

		}

	    }

	  if (str == NULL || *str == '\0')

	    {

	      record_error (0, 0, _("\

%s: missing era name in string %Zd in `era' field"), "LC_TIME", idx + 1);

	      time->era_entries[idx].name =

		time->era_entries[idx].format = "";

	    }

	  else

	    {

	      time->era_entries[idx].name = strsep (&str, ":");

	      if (str == NULL || *str == '\0')

		{

		  record_error (0, 0, _("\

%s: missing era format in string %Zd in `era' field"),

				"LC_TIME", idx + 1);

		  time->era_entries[idx].name =

		    time->era_entries[idx].format = "";

		}

	      else

		time->era_entries[idx].format = str;

	    }

	  /* Now generate the wide character name and format.  */

	  wstr = wcschr ((wchar_t *) time->wera[idx], L':');/* end direction */

	  wstr = wstr ? wcschr (wstr + 1, L':') : NULL;	/* end offset */

	  wstr = wstr ? wcschr (wstr + 1, L':') : NULL;	/* end start */

	  wstr = wstr ? wcschr (wstr + 1, L':') : NULL;	/* end end */

	  if (wstr != NULL)

	    {

	      time->era_entries[idx].wname = (uint32_t *) wstr + 1;

	      wstr = wcschr (wstr + 1, L':');	/* end name */

	      if (wstr != NULL)

		{

		  *wstr = L'\0';

		  time->era_entries[idx].wformat = (uint32_t *) wstr + 1;

		}

	      else

		time->era_entries[idx].wname =

		  time->era_entries[idx].wformat = (uint32_t *) L"";

	    }

	  else

	    time->era_entries[idx].wname =

	      time->era_entries[idx].wformat = (uint32_t *) L"";

	}

    }

  /* Set up defaults based on ISO 30112 WD10 [2014].  */

  if (time->week_ndays == 0)

    time->week_ndays = 7;

  if (time->week_1stday == 0)

    time->week_1stday = 19971130;

  if (time->week_1stweek == 0)

    time->week_1stweek = 7;

  if (time->week_1stweek > time->week_ndays)

    record_error (0, 0, _("\

%s: third operand for value of field `%s' must not be larger than %d"),

		  "LC_TIME", "week", 7);

  if (time->first_weekday == '\0')

    /* The definition does not specify this so the default is used.  */

    time->first_weekday = 1;

  else if (time->first_weekday > time->week_ndays)

    record_error (0, 0, _("\

%s: values for field `%s' must not be larger than %d"),

		  "LC_TIME", "first_weekday", 7);

  if (time->first_workday == '\0')

    /* The definition does not specify this so the default is used.  */

    time->first_workday = 2;

  else if (time->first_workday > time->week_ndays)

    record_error (0, 0, _("\

%s: values for field `%s' must not be larger than %d"),

		  "LC_TIME", "first_workday", 7);

  if (time->cal_direction == '\0')

    /* The definition does not specify this so the default is used.  */

    time->cal_direction = 1;

  else if (time->cal_direction > 3)

    record_error (0, 0, _("\

%s: values for field `%s' must not be larger than %d"),

		  "LC_TIME", "cal_direction", 3);

  /* XXX We don't perform any tests on the timezone value since this is

     simply useless, stupid $&$!@...  */

  if (time->timezone == NULL)

    time->timezone = "";

  if (time->date_fmt == NULL)

    time->date_fmt = "%a %b %e %H:%M:%S %Z %Y";

  if (time->wdate_fmt == NULL)

    time->wdate_fmt = (const uint32_t *) L"%a %b %e %H:%M:%S %Z %Y";

}

void

time_output (struct localedef_t *locale, const struct charmap_t *charmap,

	     const char *output_path)

{

  struct locale_time_t *time = locale->categories[LC_TIME].time;

  struct locale_file file;

  size_t num, n;

  init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_TIME));

  /* The ab'days.  */

  for (n = 0; n < 7; ++n)

    add_locale_string (&file, time->abday[n] ?: "");

  /* The days.  */

  for (n = 0; n < 7; ++n)

    add_locale_string (&file, time->day[n] ?: "");

  /* The ab'mons.  */

  for (n = 0; n < 12; ++n)

    add_locale_string (&file, time->abmon[n] ?: "");

  /* The mons.  */

  for (n = 0; n < 12; ++n)

    add_locale_string (&file, time->mon[n] ?: "");

  /* AM/PM.  */

  for (n = 0; n < 2; ++n)

    add_locale_string (&file, time->am_pm[n]);

  add_locale_string (&file, time->d_t_fmt ?: "");

  add_locale_string (&file, time->d_fmt ?: "");

  add_locale_string (&file, time->t_fmt ?: "");

  add_locale_string (&file, time->t_fmt_ampm ?: "");

  start_locale_structure (&file;;

  for (num = 0; num < time->num_era; ++num)

    add_locale_string (&file, time->era[num]);

  end_locale_structure (&file;;

  add_locale_string (&file, time->era_year ?: "");

  add_locale_string (&file, time->era_d_fmt ?: "");

  start_locale_structure (&file;;

  for (num = 0; num < 100; ++num)

    add_locale_string (&file, time->alt_digits[num] ?: "");

  end_locale_structure (&file;;

  add_locale_string (&file, time->era_d_t_fmt ?: "");

  add_locale_string (&file, time->era_t_fmt ?: "");

  add_locale_uint32 (&file, time->num_era);

  start_locale_structure (&file;;

  for (num = 0; num < time->num_era; ++num)

    {

      add_locale_uint32 (&file, time->era_entries[num].direction);

      add_locale_uint32 (&file, time->era_entries[num].offset);

      add_locale_uint32 (&file, time->era_entries[num].start_date[0]);

      add_locale_uint32 (&file, time->era_entries[num].start_date[1]);

      add_locale_uint32 (&file, time->era_entries[num].start_date[2]);

      add_locale_uint32 (&file, time->era_entries[num].stop_date[0]);

      add_locale_uint32 (&file, time->era_entries[num].stop_date[1]);

      add_locale_uint32 (&file, time->era_entries[num].stop_date[2]);

      add_locale_string (&file, time->era_entries[num].name);

      add_locale_string (&file, time->era_entries[num].format);

      add_locale_wstring (&file, time->era_entries[num].wname);

      add_locale_wstring (&file, time->era_entries[num].wformat);

    }

  end_locale_structure (&file;;

  /* The wide character ab'days.  */

  for (n = 0; n < 7; ++n)

    add_locale_wstring (&file, time->wabday[n] ?: empty_wstr);

  /* The wide character days.  */

  for (n = 0; n < 7; ++n)

    add_locale_wstring (&file, time->wday[n] ?: empty_wstr);

  /* The wide character ab'mons.  */

  for (n = 0; n < 12; ++n)

    add_locale_wstring (&file, time->wabmon[n] ?: empty_wstr);

  /* The wide character mons.  */

  for (n = 0; n < 12; ++n)

    add_locale_wstring (&file, time->wmon[n] ?: empty_wstr);

  /* Wide character AM/PM.  */

  for (n = 0; n < 2; ++n)

    add_locale_wstring (&file, time->wam_pm[n] ?: empty_wstr);

  add_locale_wstring (&file, time->wd_t_fmt ?: empty_wstr);

  add_locale_wstring (&file, time->wd_fmt ?: empty_wstr);

  add_locale_wstring (&file, time->wt_fmt ?: empty_wstr);

  add_locale_wstring (&file, time->wt_fmt_ampm ?: empty_wstr);

  add_locale_wstring (&file, time->wera_year ?: empty_wstr);

  add_locale_wstring (&file, time->wera_d_fmt ?: empty_wstr);

  start_locale_structure (&file;;

  for (num = 0; num < 100; ++num)

    add_locale_wstring (&file, time->walt_digits[num] ?: empty_wstr);

  end_locale_structure (&file;;

  add_locale_wstring (&file, time->wera_d_t_fmt ?: empty_wstr);

  add_locale_wstring (&file, time->wera_t_fmt ?: empty_wstr);

  add_locale_char (&file, time->week_ndays);

  add_locale_uint32 (&file, time->week_1stday);

  add_locale_char (&file, time->week_1stweek);

  add_locale_char (&file, time->first_weekday);

  add_locale_char (&file, time->first_workday);

  add_locale_char (&file, time->cal_direction);

  add_locale_string (&file, time->timezone);

  add_locale_string (&file, time->date_fmt);

  add_locale_wstring (&file, time->wdate_fmt);

  add_locale_string (&file, charmap->code_set_name);

  /* The alt'mons.  */

  for (n = 0; n < 12; ++n)

    add_locale_string (&file, time->alt_mon[n] ?: "");

  /* The wide character alt'mons.  */

  for (n = 0; n < 12; ++n)

    add_locale_wstring (&file, time->walt_mon[n] ?: empty_wstr);

  /* The ab'alt'mons.  */

  for (n = 0; n < 12; ++n)

    add_locale_string (&file, time->ab_alt_mon[n] ?: "");

  /* The wide character ab'alt'mons.  */

  for (n = 0; n < 12; ++n)

    add_locale_wstring (&file, time->wab_alt_mon[n] ?: empty_wstr);

  write_locale_data (output_path, LC_TIME, "LC_TIME", &file;;

}

/* The parser for the LC_TIME section of the locale definition.  */

void

time_read (struct linereader *ldfile, struct localedef_t *result,

	   const struct charmap_t *charmap, const char *repertoire_name,

	   int ignore_content)

{

  struct repertoire_t *repertoire = NULL;

  struct locale_time_t *time;

  struct token *now;

  enum token_t nowtok;

  size_t cnt;

  /* Get the repertoire we have to use.  */

  if (repertoire_name != NULL)

    repertoire = repertoire_read (repertoire_name);

  /* The rest of the line containing `LC_TIME' must be free.  */

  lr_ignore_rest (ldfile, 1);

  do

    {

      now = lr_token (ldfile, charmap, result, repertoire, 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_time,

		   LC_TIME, "LC_TIME", ignore_content);

      return;

    }

  /* Prepare the data structures.  */

  time_startup (ldfile, result, ignore_content);

  time = result->categories[LC_TIME].time;

  while (1)

    {

      /* Of course we don't proceed beyond the end of file.  */

      if (nowtok == tok_eof)

	break;

      /* Ingore empty lines.  */

      if (nowtok == tok_eol)

	{

	  now = lr_token (ldfile, charmap, result, repertoire, verbose);

	  nowtok = now->tok;

	  continue;

	}

      switch (nowtok)

	{

#define STRARR_ELEM(cat, min, max) \

	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;							      \

	    }								      \

									      \

	  for (cnt = 0; cnt < max; ++cnt)				      \

	    {								      \

	      now = lr_token (ldfile, charmap, result, repertoire, verbose);  \

	      if (now->tok == tok_eol)					      \

		{							      \

		  if (cnt < min)					      \

		    lr_error (ldfile, _("%s: too few values for field `%s'"), \

			      "LC_TIME", #cat);				      \

		  if (!ignore_content)					      \

		    do							      \

		      {							      \

			time->cat[cnt] = "";				      \

			time->w##cat[cnt] = empty_wstr;			      \

		      }							      \

		    while (++cnt < max);				      \

		  break;						      \

		}							      \

	      else if (now->tok != tok_string)				      \

		goto err_label;						      \

	      else if (!ignore_content && (now->val.str.startmb == NULL	      \

					   || now->val.str.startwc == NULL))  \

		{							      \

		  lr_error (ldfile, _("%s: unknown character in field `%s'"), \

			    "LC_TIME", #cat);				      \

		  time->cat[cnt] = "";					      \

		  time->w##cat[cnt] = empty_wstr;			      \

		}							      \

	      else if (!ignore_content)					      \

		{							      \

		  time->cat[cnt] = now->val.str.startmb;		      \

		  time->w##cat[cnt] = now->val.str.startwc;		      \

		}							      \

									      \

	      /* Match the semicolon.  */				      \

	      now = lr_token (ldfile, charmap, result, repertoire, verbose);  \

	      if (now->tok != tok_semicolon && now->tok != tok_eol)	      \

		break;							      \

	    }								      \

	  if (now->tok != tok_eol)					      \

	    {								      \

	      while (!ignore_content && cnt < min)			      \

		{							      \

		  time->cat[cnt] = "";					      \

		  time->w##cat[cnt++] = empty_wstr;			      \

		}							      \

									      \

	      if (now->tok == tok_semicolon)				      \

		{							      \

		  now = lr_token (ldfile, charmap, result, repertoire,	      \

				  verbose);				      \

		  if (now->tok == tok_eol)				      \

		    lr_error (ldfile, _("extra trailing semicolon"));	      \

		  else if (now->tok == tok_string)			      \

		    {							      \

		      lr_error (ldfile, _("\

%s: too many values for field `%s'"),					      \

				"LC_TIME", #cat);			      \

		      lr_ignore_rest (ldfile, 0);			      \

		    }							      \

		  else							      \

		    goto err_label;					      \

		}							      \

	      else							      \

		goto err_label;						      \

	    }								      \

	  time->cat##_defined = 1;					      \

	  break

	  STRARR_ELEM (abday, 7, 7);

	  STRARR_ELEM (day, 7, 7);

	  STRARR_ELEM (abmon, 12, 12);

	  STRARR_ELEM (mon, 12, 12);

	  STRARR_ELEM (am_pm, 2, 2);

	  STRARR_ELEM (alt_digits, 0, 100);

	  STRARR_ELEM (alt_mon, 12, 12);

	  STRARR_ELEM (ab_alt_mon, 12, 12);

	case tok_era:

	  /* 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;

	    }

	  do

	    {

	      now = lr_token (ldfile, charmap, result, repertoire, verbose);

	      if (now->tok != tok_string)

		goto err_label;

	      if (!ignore_content && (now->val.str.startmb == NULL

				      || now->val.str.startwc == NULL))

		{

		  lr_error (ldfile, _("%s: unknown character in field `%s'"),

			    "LC_TIME", "era");

		  lr_ignore_rest (ldfile, 0);

		  break;

		}

	      if (!ignore_content)

		{

		  time->era = xrealloc (time->era,

					(time->num_era + 1) * sizeof (char *));

		  time->era[time->num_era] = now->val.str.startmb;

		  time->wera = xrealloc (time->wera,

					 (time->num_era + 1)

					 * sizeof (char *));

		  time->wera[time->num_era++] = now->val.str.startwc;

		}

	      now = lr_token (ldfile, charmap, result, repertoire, verbose);

	      if (now->tok != tok_eol && now->tok != tok_semicolon)

		goto err_label;

	    }

	  while (now->tok == tok_semicolon);

	  break;

#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;							      \

	    }								      \

									      \

	  now = lr_token (ldfile, charmap, result, repertoire, verbose);      \

	  if (now->tok != tok_string)					      \

	    goto err_label;						      \

	  else if (time->cat != NULL)					      \

	    lr_error (ldfile, _("\

%s: field `%s' declared more than once"), "LC_TIME", #cat);		      \

	  else if (!ignore_content && (now->val.str.startmb == NULL	      \

				       || now->val.str.startwc == NULL))      \

	    {								      \

	      lr_error (ldfile, _("%s: unknown character in field `%s'"),     \

			"LC_TIME", #cat);				      \

	      time->cat = "";						      \

	      time->w##cat = empty_wstr;				      \

	    }								      \

	  else if (!ignore_content)					      \

	    {								      \

	      time->cat = now->val.str.startmb;				      \

	      time->w##cat = now->val.str.startwc;			      \

	    }								      \

	  break