[thirdparty/glibc.git] / locale / programs / ld-numeric.c

/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  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 <alloca.h>
#include <langinfo.h>
#include <string.h>

/* Undefine following line in production version.  */
/* #define NDEBUG 1 */
#include <assert.h>

#include "locales.h"
#include "localeinfo.h"
#include "stringtrans.h"

void *xmalloc (size_t __n);
void *xrealloc (void *__ptr, size_t __n);


/* The real definition of the struct for the LC_NUMERIC locale.  */
struct locale_numeric_t
{
  const char *decimal_point;
  const char *thousands_sep;
  char *grouping;
  size_t grouping_max;
  size_t grouping_act;
};


void
numeric_startup (struct linereader *lr, struct localedef_t *locale,
		 struct charset_t *charset)
{
  struct locale_numeric_t *numeric;

  /* It is important that we always use UCS1 encoding for strings now.  */
  encoding_method = ENC_UCS1;

  locale->categories[LC_NUMERIC].numeric = numeric =
    (struct locale_numeric_t *) xmalloc (sizeof (struct locale_numeric_t));

  memset (numeric, '\0', sizeof (struct locale_numeric_t));

  numeric->grouping_max = 80;
  numeric->grouping = (char *) xmalloc (numeric->grouping_max);
  numeric->grouping_act = 0;
}


void
numeric_finish (struct localedef_t *locale)
{
  struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;

#define TEST_ELEM(cat)							      \
  if (numeric->cat == NULL && !be_quiet)				      \
    error (0, 0, _("field `%s' in category `%s' not defined"),		      \
	   #cat, "LC_NUMERIC")

  TEST_ELEM (decimal_point);
  TEST_ELEM (thousands_sep);

  /* The decimal point must not be empty.  This is not said explicitly
     in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be
     != "".  */
  if (numeric->decimal_point[0] == '\0' && !be_quiet)
    {
      error (0, 0, _("\
value for field `%s' in category `%s' must not be the empty string"),
	     "decimal_point", "LC_NUMERIC");
    }

  if (numeric->grouping_act == 0 && !be_quiet)
    error (0, 0, _("field `%s' in category `%s' not defined"),
	   "grouping", "LC_NUMERIC");
}


void
numeric_output (struct localedef_t *locale, const char *output_path)
{
  struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
  struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
  struct locale_file data;
  u_int32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
  size_t cnt = 0;

  if ((locale->binary & (1 << LC_NUMERIC)) != 0)
    {
      iov[0].iov_base = numeric;
      iov[0].iov_len = locale->len[LC_NUMERIC];

      write_locale_data (output_path, "LC_NUMERIC", 1, iov);

      return;
    }

  data.magic = LIMAGIC (LC_NUMERIC);
  data.n = _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC);
  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 *) (numeric->decimal_point ?: "");
  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 *) (numeric->thousands_sep ?: "");
  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 = alloca (numeric->grouping_act + 1);
  iov[cnt].iov_len = numeric->grouping_act + 1;
  memcpy (iov[cnt].iov_base, numeric->grouping, numeric->grouping_act);
  ((char *) iov[cnt].iov_base)[numeric->grouping_act] = '\0';

  assert (cnt + 1 == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC));

  write_locale_data (output_path, "LC_NUMERIC",
		     2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC), iov);
}


void
numeric_add (struct linereader *lr, struct localedef_t *locale,
	     enum token_t tok, struct token *code,
	     struct charset_t *charset)
{
  struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;

  switch (tok)
    {
#define STR_ELEM(cat)							      \
    case tok_##cat:							      \
      if (numeric->cat != NULL)						      \
	lr_error (lr, _("\
field `%s' in category `%s' declared more than once"),			      \
		  #cat, "LC_NUMERIC");					      \
      else if (code->val.str.start == NULL)				      \
	{								      \
	  lr_error (lr, _("unknown character in field `%s' of category `%s'"),\
		    #cat, "LC_NUMERIC");				      \
	  numeric->cat = "";						      \
	}								      \
      else								      \
	numeric->cat = code->val.str.start;				      \
      break

    STR_ELEM (decimal_point);
    STR_ELEM (thousands_sep);

    case tok_grouping:
      if (numeric->grouping_act == numeric->grouping_max)
	{
	  numeric->grouping_max *= 2;
	  numeric->grouping = (char *) xrealloc (numeric->grouping,
						 numeric->grouping_max);
	}
      if (numeric->grouping_act > 0
	  && (numeric->grouping[numeric->grouping_act - 1] == '\177'))
	{
	  lr_error (lr, _("\
`-1' must be last entry in `%s' field in `%s' category"),
		    "grouping", "LC_NUMERIC");
	  --numeric->grouping_act;
	}

      if (code->tok == tok_minus1)
	numeric->grouping[numeric->grouping_act++] = '\177';
      else if (code->val.num > 126)
	lr_error (lr, _("\
values for field `%s' in category `%s' must be smaller than 127"),
		  "grouping", "LC_NUMERIC");
      else
	numeric->grouping[numeric->grouping_act++] = code->val.num;
      break;

    default:
      assert (! "unknown token in category `LC_NUMERIC': should not happen");
    }
}
Commit	Line	Data
c84142e8	1	/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
2c6fe0bd	2	This file is part of the GNU C Library.
c84142e8	3	Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
19bc17a9	4
2c6fe0bd UD	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Library General Public License as
	7	published by the Free Software Foundation; either version 2 of the
	8	License, or (at your option) any later version.
19bc17a9	9
2c6fe0bd UD	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	Library General Public License for more details.
19bc17a9	14
2c6fe0bd UD	15	You should have received a copy of the GNU Library General Public
	16	License along with the GNU C Library; see the file COPYING.LIB. If not,
	17	write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	18	Boston, MA 02111-1307, USA. */
19bc17a9 RM	19
	20	#ifdef HAVE_CONFIG_H
	21	# include <config.h>
	22	#endif
	23
a1470b6f	24	#include <alloca.h>
19bc17a9 RM	25	#include <langinfo.h>
	26	#include <string.h>
	27
	28	/* Undefine following line in production version. */
	29	/* #define NDEBUG 1 */
	30	#include <assert.h>
	31
	32	#include "locales.h"
	33	#include "localeinfo.h"
	34	#include "stringtrans.h"
	35
	36	void *xmalloc (size_t __n);
	37	void xrealloc (void __ptr, size_t __n);
	38
	39
	40	/* The real definition of the struct for the LC_NUMERIC locale. */
	41	struct locale_numeric_t
	42	{
	43	const char *decimal_point;
	44	const char *thousands_sep;
	45	char *grouping;
	46	size_t grouping_max;
	47	size_t grouping_act;
	48	};
	49
	50
	51	void
	52	numeric_startup (struct linereader lr, struct localedef_t locale,
	53	struct charset_t *charset)
	54	{
	55	struct locale_numeric_t *numeric;
	56
	57	/* It is important that we always use UCS1 encoding for strings now. */
	58	encoding_method = ENC_UCS1;
	59
	60	locale->categories[LC_NUMERIC].numeric = numeric =
	61	(struct locale_numeric_t *) xmalloc (sizeof (struct locale_numeric_t));
	62
	63	memset (numeric, '\0', sizeof (struct locale_numeric_t));
	64
	65	numeric->grouping_max = 80;
	66	numeric->grouping = (char *) xmalloc (numeric->grouping_max);
	67	numeric->grouping_act = 0;
	68	}
	69
	70
	71	void
	72	numeric_finish (struct localedef_t *locale)
	73	{
	74	struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
	75
	76	#define TEST_ELEM(cat) \
c84142e8	77	if (numeric->cat == NULL && !be_quiet) \
19bc17a9 RM	78	error (0, 0, _("field `%s' in category `%s' not defined"), \
	79	#cat, "LC_NUMERIC")
	80
	81	TEST_ELEM (decimal_point);
	82	TEST_ELEM (thousands_sep);
	83
	84	/* The decimal point must not be empty. This is not said explicitly
	85	in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be
	86	!= "". */
c84142e8	87	if (numeric->decimal_point[0] == '\0' && !be_quiet)
19bc17a9 RM	88	{
	89	error (0, 0, _("\
	90	value for field `%s' in category `%s' must not be the empty string"),
	91	"decimal_point", "LC_NUMERIC");
	92	}
	93
c84142e8	94	if (numeric->grouping_act == 0 && !be_quiet)
19bc17a9 RM	95	error (0, 0, _("field `%s' in category `%s' not defined"),
	96	"grouping", "LC_NUMERIC");
	97	}
	98
	99
	100	void
	101	numeric_output (struct localedef_t locale, const char output_path)
	102	{
	103	struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
	104	struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
	105	struct locale_file data;
7a12c6bb	106	u_int32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)];
19bc17a9 RM	107	size_t cnt = 0;
	108
	109	if ((locale->binary & (1 << LC_NUMERIC)) != 0)
	110	{
	111	iov[0].iov_base = numeric;
	112	iov[0].iov_len = locale->len[LC_NUMERIC];
	113
	114	write_locale_data (output_path, "LC_NUMERIC", 1, iov);
	115
	116	return;
	117	}
	118
	119	data.magic = LIMAGIC (LC_NUMERIC);
	120	data.n = _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC);
	121	iov[cnt].iov_base = (void *) &data;
	122	iov[cnt].iov_len = sizeof (data);
	123	++cnt;
	124
	125	iov[cnt].iov_base = (void *) idx;
	126	iov[cnt].iov_len = sizeof (idx);
	127	++cnt;
	128
2c6fe0bd	129	idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len;
19bc17a9 RM	130	iov[cnt].iov_base = (void *) (numeric->decimal_point ?: "");
	131	iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
	132	++cnt;
	133
	134	idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
	135	iov[cnt].iov_base = (void *) (numeric->thousands_sep ?: "");
	136	iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1;
	137	++cnt;
	138
	139	idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len;
	140	iov[cnt].iov_base = alloca (numeric->grouping_act + 1);
	141	iov[cnt].iov_len = numeric->grouping_act + 1;
	142	memcpy (iov[cnt].iov_base, numeric->grouping, numeric->grouping_act);
	143	((char *) iov[cnt].iov_base)[numeric->grouping_act] = '\0';
	144
	145	assert (cnt + 1 == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC));
	146
	147	write_locale_data (output_path, "LC_NUMERIC",
	148	2 + _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC), iov);
	149	}
	150
	151
	152	void
	153	numeric_add (struct linereader lr, struct localedef_t locale,
	154	enum token_t tok, struct token *code,
	155	struct charset_t *charset)
	156	{
	157	struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric;
	158
	159	switch (tok)
	160	{
	161	#define STR_ELEM(cat) \
	162	case tok_##cat: \
	163	if (numeric->cat != NULL) \
	164	lr_error (lr, _("\
	165	field `%s' in category `%s' declared more than once"), \
	166	#cat, "LC_NUMERIC"); \
	167	else if (code->val.str.start == NULL) \
	168	{ \
	169	lr_error (lr, _("unknown character in field `%s' of category `%s'"),\
	170	#cat, "LC_NUMERIC"); \
	171	numeric->cat = ""; \
	172	} \
	173	else \
	174	numeric->cat = code->val.str.start; \
	175	break
	176
	177	STR_ELEM (decimal_point);
	178	STR_ELEM (thousands_sep);
	179
	180	case tok_grouping:
	181	if (numeric->grouping_act == numeric->grouping_max)
	182	{
	183	numeric->grouping_max *= 2;
	184	numeric->grouping = (char *) xrealloc (numeric->grouping,
	185	numeric->grouping_max);
	186	}
	187	if (numeric->grouping_act > 0
	188	&& (numeric->grouping[numeric->grouping_act - 1] == '\177'))
	189	{
	190	lr_error (lr, _("\
	191	`-1' must be last entry in `%s' field in `%s' category"),
	192	"grouping", "LC_NUMERIC");
	193	--numeric->grouping_act;
194	}
195
196	if (code->tok == tok_minus1)
197	numeric->grouping[numeric->grouping_act++] = '\177';
198	else if (code->val.num > 126)
199	lr_error (lr, _("\
200	values for field `%s' in category `%s' must be smaller than 127"),
201	"grouping", "LC_NUMERIC");
202	else
203	numeric->grouping[numeric->grouping_act++] = code->val.num;
204	break;
205
206	default:
207	assert (! "unknown token in category `LC_NUMERIC': should not happen");
208	}
209	}