summary refs log tree commit diff
path: root/locale/programs/locale-spec.c
blob: d47b951db7f68c9f3d01fd9a4e14c2929d074d73 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/* Handle special requests.
   Copyright (C) 1996-2017 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.

   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 <error.h>
#include <libintl.h>
#include <stdio.h>
#include <string.h>
#include <wchar.h>

#include "localeinfo.h"


/* We provide support for some special names.  This helps debugging
   and may be useful for advanced usage of the provided information
   outside C.  */
void
locale_special (const char *name, int show_category_name,
		int show_keyword_name)
{
#if 0
  /* "collate-elements": print collation elements of locale.  */
  if (strcmp (name, "collate-elements") == 0)
    {
      size_t nelem = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_ELEM_HASH_SIZE);

      if (show_category_name)
	puts ("LC_COLLATE");
      if (show_keyword_name)
	fputs ("collate-elements=", stdout);

      if (nelem != 0)
	{
	  int first = 1;
	  size_t cnt;

	  for (cnt = 0; cnt < nelem; ++cnt)
	    if (__collate_element_hash[2 * cnt] != (~((uint32_t) 0)))
	      {
		size_t idx = __collate_element_hash[2 * cnt];

		printf ("%s<%s>", first ? "" : ";",
			&__collate_element_strings[idx]);

		/* We don't print the string.  This is only confusing
		   because only the programs have to know the
		   encoding.  The code is left in place because it
		   shows how to get the information.  */
		{
		  const wchar_t *wp;

		  idx = __collate_element_hash[2 * cnt + 1];
		  wp = &__collate_element_values[idx];
		  while (*wp != L'\0')
		    {
		      /********************************************\
		      |* XXX The element values are really wide	  *|
		      |* chars.  But we are currently not able to *|
		      |* print these so fake here.		  *|
		      \********************************************/
		      int ch = wctob (*wp++);
		      if (ch != EOF)
			putchar (ch);
		      else
			fputs ("<??\?>", stdout);
		    }

		  putchar ('"');
		}
		first = 0;
	      }
	}
      putchar ('\n');
      return;
    }

  if (strcmp (name, "collate-classes") == 0)
    {
      size_t nelem = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_SYMB_HASH_SIZE);
      size_t cnt;
      int first = 1;

      if (show_category_name)
	puts ("LC_COLLATE");
      if (show_keyword_name)
	fputs ("collate-classes=", stdout);

      for (cnt = 0; cnt < nelem; ++cnt)
	if (__collate_symbol_hash[2 * cnt] != 0xffffffff)
	  {
	    printf ("%s<%s>", first ? "" : ",",
		    &__collate_symbol_strings[__collate_symbol_hash[2 * cnt]]);
#if 0
	    {
	      size_t idx = __collate_symbol_hash[2 * cnt + 1];
	      size_t cls;

	      putchar ('=');
	      for (cls = 0; cls < __collate_symbol_classes[idx]; ++cls)
		printf ("%s%d", cls == 0 ? "" : ":",
			__collate_symbol_classes[idx + 1 + cls]);
	    }
#endif
	    first = 0;
	  }
      putchar ('\n');
      return;
    }
#endif

  /* If nothing matches, fail.  */
  error (1, 0, gettext ("unknown name \"%s\""), name);
}