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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/* Declarations for internal libc locale interfaces
Copyright (C) 1995, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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. */
#ifndef _LOCALEINFO_H
#define _LOCALEINFO_H 1
#include <stddef.h>
#include <langinfo.h>
#include <limits.h>
#include <time.h>
#include <stdint.h>
#include <sys/types.h>
/* This has to be changed whenever a new locale is defined. */
#define __LC_LAST 13
#include <intl/loadinfo.h> /* For loaded_l10nfile definition. */
/* Magic number at the beginning of a locale data file for CATEGORY. */
#define LIMAGIC(category) ((unsigned int) (0x20000828 ^ (category)))
/* Two special weight constants for the collation data. */
#define IGNORE_CHAR 2
/* We use a special value for the usage counter in `locale_data' to
signal that this data must never be removed anymore. */
#define MAX_USAGE_COUNT (UINT_MAX - 1)
#define UNDELETABLE UINT_MAX
/* Structure describing locale data in core for a category. */
struct locale_data
{
const char *name;
const char *filedata; /* Region mapping the file data. */
off_t filesize; /* Size of the file (and the region). */
int mmaped; /* If nonzero the data is mmaped. */
unsigned int usage_count; /* Counter for users. */
int use_translit; /* Nonzero if the mb*towv*() and wc*tomb()
functions should use transliteration. */
const char *options; /* Extra options from the locale name,
not used in the path to the locale data. */
unsigned int nstrings; /* Number of strings below. */
union locale_data_value
{
const uint32_t *wstr;
const char *string;
unsigned int word;
}
values[0]; /* Items, usually pointers into `filedata'. */
};
/* We know three kinds of collation sorting rules. */
enum coll_sort_rule
{
illegal_0__,
sort_forward,
sort_backward,
illegal_3__,
sort_position,
sort_forward_position,
sort_backward_position,
sort_mask
};
/* We can map the types of the entries into a few categories. */
enum value_type
{
none,
string,
stringarray,
byte,
bytearray,
word,
stringlist,
wordarray,
wstring,
wstringarray,
wstringlist
};
/* Definitions for `era' information from LC_TIME. */
#define ERA_NAME_FORMAT_MEMBERS 4
#define ERA_M_NAME 0
#define ERA_M_FORMAT 1
#define ERA_W_NAME 2
#define ERA_W_FORMAT 3
/* Structure to access `era' information from LC_TIME. */
struct era_entry
{
uint32_t direction; /* Contains '+' or '-'. */
int32_t offset;
int32_t start_date[3];
int32_t stop_date[3];
const char *era_name;
const char *era_format;
const wchar_t *era_wname;
const wchar_t *era_wformat;
int absolute_direction;
/* absolute direction:
+1 indicates that year number is higher in the future. (like A.D.)
-1 indicates that year number is higher in the past. (like B.C.) */
};
/* LC_CTYPE specific:
Hardwired indices for standard wide character translation mappings. */
enum
{
__TOW_toupper = 0,
__TOW_tolower = 1
};
/* LC_CTYPE specific:
Access a wide character class with a single character index.
_ISCTYPE (c, desc) = iswctype (btowc (c), desc).
c must be an `unsigned char'. desc must be a nonzero wctype_t. */
#define _ISCTYPE(c, desc) \
(((((const uint32_t *) (desc)) - 8)[(c) >> 5] >> ((c) & 0x1f)) & 1)
/* For each category declare the variable for the current locale data. */
#define DEFINE_CATEGORY(category, category_name, items, a) \
extern struct locale_data *_nl_current_##category;
#include "categories.def"
#undef DEFINE_CATEGORY
extern const char *const _nl_category_names[__LC_LAST];
extern const size_t _nl_category_name_sizes[__LC_LAST];
extern struct locale_data * *const _nl_current[__LC_LAST];
/* Name of the standard locales. */
extern const char _nl_C_name[];
extern const char _nl_POSIX_name[];
/* Extract the current CATEGORY locale's string for ITEM. */
#define _NL_CURRENT(category, item) \
(_nl_current_##category->values[_NL_ITEM_INDEX (item)].string)
/* Extract the current CATEGORY locale's string for ITEM. */
#define _NL_CURRENT_WSTR(category, item) \
((wchar_t *) (_nl_current_##category->values[_NL_ITEM_INDEX (item)].wstr))
/* Extract the current CATEGORY locale's word for ITEM. */
#define _NL_CURRENT_WORD(category, item) \
(_nl_current_##category->values[_NL_ITEM_INDEX (item)].word)
/* This is used in lc-CATEGORY.c to define _nl_current_CATEGORY. */
#define _NL_CURRENT_DEFINE(category) \
extern struct locale_data _nl_C_##category; \
struct locale_data *_nl_current_##category = &_nl_C_##category
/* Load the locale data for CATEGORY from the file specified by *NAME.
If *NAME is "", use environment variables as specified by POSIX,
and fill in *NAME with the actual name used. The directories
listed in LOCALE_PATH are searched for the locale files. */
extern struct locale_data *_nl_find_locale (const char *locale_path,
size_t locale_path_len,
int category, const char **name);
/* Try to load the file described by FILE. */
extern void _nl_load_locale (struct loaded_l10nfile *file, int category);
/* Free all resource. */
extern void _nl_unload_locale (struct locale_data *locale);
/* Free the locale and give back all memory if the usage count is one. */
extern void _nl_remove_locale (int locale, struct locale_data *data);
/* Return `era' entry which corresponds to TP. Used in strftime. */
extern struct era_entry *_nl_get_era_entry (const struct tm *tp);
/* Return `era' cnt'th entry . Used in strptime. */
extern struct era_entry *_nl_select_era_entry (int cnt);
/* Return `alt_digit' which corresponds to NUMBER. Used in strftime. */
extern const char *_nl_get_alt_digit (unsigned int number);
/* Similar, but now for wide characters. */
extern const wchar_t *_nl_get_walt_digit (unsigned int number);
/* Postload processing. */
extern void _nl_postload_ctype (void);
extern void _nl_postload_time (void);
#endif /* localeinfo.h */
|
