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1/* Header describing internals of libintl library.
2 Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
3 Written by Ulrich Drepper <drepper@cygnus.com>, 1995.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
9
10 This program 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
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18
19#ifndef _GETTEXTP_H
20#define _GETTEXTP_H
21
22#include <stddef.h> /* Get size_t. */
23
24#ifdef _LIBC
25# include "../iconv/gconv_int.h"
26#else
27# if HAVE_ICONV
28# include <iconv.h>
29# endif
30#endif
31
32#include "loadinfo.h"
33
34#include "gettext.h" /* Get nls_uint32. */
35
36/* @@ end of prolog @@ */
37
38#ifndef PARAMS
39# if __STDC__
40# define PARAMS(args) args
41# else
42# define PARAMS(args) ()
43# endif
44#endif
45
46#ifndef internal_function
47# define internal_function
48#endif
49
50/* Tell the compiler when a conditional or integer expression is
51 almost always true or almost always false. */
52#ifndef HAVE_BUILTIN_EXPECT
53# define __builtin_expect(expr, val) (expr)
54#endif
55
56#ifndef W
57# define W(flag, data) ((flag) ? SWAP (data) : (data))
58#endif
59
60
61#ifdef _LIBC
62# include <byteswap.h>
63# define SWAP(i) bswap_32 (i)
64#else
65static inline nls_uint32
66SWAP (i)
67 nls_uint32 i;
68{
69 return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
70}
71#endif
72
73
74/* This is the representation of the expressions to determine the
75 plural form. */
76struct expression
77{
78 int nargs; /* Number of arguments. */
79 enum operator
80 {
81 /* Without arguments: */
82 var, /* The variable "n". */
83 num, /* Decimal number. */
84 /* Unary operators: */
85 lnot, /* Logical NOT. */
86 /* Binary operators: */
87 mult, /* Multiplication. */
88 divide, /* Division. */
89 module, /* Module operation. */
90 plus, /* Addition. */
91 minus, /* Subtraction. */
92 less_than, /* Comparison. */
93 greater_than, /* Comparison. */
94 less_or_equal, /* Comparison. */
95 greater_or_equal, /* Comparison. */
96 equal, /* Comparision for equality. */
97 not_equal, /* Comparision for inequality. */
98 land, /* Logical AND. */
99 lor, /* Logical OR. */
100 /* Ternary operators: */
101 qmop /* Question mark operator. */
102 } operation;
103 union
104 {
105 unsigned long int num; /* Number value for `num'. */
106 struct expression *args[3]; /* Up to three arguments. */
107 } val;
108};
109
110/* This is the data structure to pass information to the parser and get
111 the result in a thread-safe way. */
112struct parse_args
113{
114 const char *cp;
115 struct expression *res;
116};
117
118
119/* The representation of an opened message catalog. */
120struct loaded_domain
121{
122 const char *data;
123 int use_mmap;
124 size_t mmap_size;
125 int must_swap;
126 nls_uint32 nstrings;
127 struct string_desc *orig_tab;
128 struct string_desc *trans_tab;
129 nls_uint32 hash_size;
130 nls_uint32 *hash_tab;
131 int codeset_cntr;
132#ifdef _LIBC
133 __gconv_t conv;
134#else
135# if HAVE_ICONV
136 iconv_t conv;
137# endif
138#endif
139 char **conv_tab;
140
141 struct expression *plural;
142 unsigned long int nplurals;
143};
144
145/* We want to allocate a string at the end of the struct. But ISO C
146 doesn't allow zero sized arrays. */
147#ifdef __GNUC__
148# define ZERO 0
149#else
150# define ZERO 1
151#endif
152
153/* A set of settings bound to a message domain. Used to store settings
154 from bindtextdomain() and bind_textdomain_codeset(). */
155struct binding
156{
157 struct binding *next;
158 char *dirname;
159 int codeset_cntr; /* Incremented each time codeset changes. */
160 char *codeset;
161 char domainname[ZERO];
162};
163
164/* A counter which is incremented each time some previous translations
165 become invalid.
166 This variable is part of the external ABI of the GNU libintl. */
167extern int _nl_msg_cat_cntr;
168
169struct loaded_l10nfile *_nl_find_domain PARAMS ((const char *__dirname,
170 char *__locale,
171 const char *__domainname,
172 struct binding *__domainbinding))
173 internal_function;
174void _nl_load_domain PARAMS ((struct loaded_l10nfile *__domain,
175 struct binding *__domainbinding))
176 internal_function;
177void _nl_unload_domain PARAMS ((struct loaded_domain *__domain))
178 internal_function;
179const char *_nl_init_domain_conv PARAMS ((struct loaded_l10nfile *__domain_file,
180 struct loaded_domain *__domain,
181 struct binding *__domainbinding))
182 internal_function;
183void _nl_free_domain_conv PARAMS ((struct loaded_domain *__domain))
184 internal_function;
185
186char *_nl_find_msg PARAMS ((struct loaded_l10nfile *domain_file,
187 struct binding *domainbinding,
188 const char *msgid, size_t *lengthp))
189 internal_function;
190
191#ifdef _LIBC
192extern char *__gettext PARAMS ((const char *__msgid));
193extern char *__dgettext PARAMS ((const char *__domainname,
194 const char *__msgid));
195extern char *__dcgettext PARAMS ((const char *__domainname,
196 const char *__msgid, int __category));
197extern char *__ngettext PARAMS ((const char *__msgid1, const char *__msgid2,
198 unsigned long int __n));
199extern char *__dngettext PARAMS ((const char *__domainname,
200 const char *__msgid1, const char *__msgid2,
201 unsigned long int n));
202extern char *__dcngettext PARAMS ((const char *__domainname,
203 const char *__msgid1, const char *__msgid2,
204 unsigned long int __n, int __category));
205extern char *__dcigettext PARAMS ((const char *__domainname,
206 const char *__msgid1, const char *__msgid2,
207 int __plural, unsigned long int __n,
208 int __category));
209extern char *__textdomain PARAMS ((const char *__domainname));
210extern char *__bindtextdomain PARAMS ((const char *__domainname,
211 const char *__dirname));
212extern char *__bind_textdomain_codeset PARAMS ((const char *__domainname,
213 const char *__codeset));
214#else
215extern char *gettext__ PARAMS ((const char *__msgid));
216extern char *dgettext__ PARAMS ((const char *__domainname,
217 const char *__msgid));
218extern char *dcgettext__ PARAMS ((const char *__domainname,
219 const char *__msgid, int __category));
220extern char *ngettext__ PARAMS ((const char *__msgid1, const char *__msgid2,
221 unsigned long int __n));
222extern char *dngettext__ PARAMS ((const char *__domainname,
223 const char *__msgid1, const char *__msgid2,
224 unsigned long int __n));
225extern char *dcngettext__ PARAMS ((const char *__domainname,
226 const char *__msgid1, const char *__msgid2,
227 unsigned long int __n, int __category));
228extern char *dcigettext__ PARAMS ((const char *__domainname,
229 const char *__msgid1, const char *__msgid2,
230 int __plural, unsigned long int __n,
231 int __category));
232extern char *textdomain__ PARAMS ((const char *__domainname));
233extern char *bindtextdomain__ PARAMS ((const char *__domainname,
234 const char *__dirname));
235extern char *bind_textdomain_codeset__ PARAMS ((const char *__domainname,
236 const char *__codeset));
237#endif
238
239#ifdef _LIBC
240extern void __gettext_free_exp PARAMS ((struct expression *exp))
241 internal_function;
242extern int __gettextparse PARAMS ((void *arg));
243#else
244extern void gettext_free_exp__ PARAMS ((struct expression *exp))
245 internal_function;
246extern int gettextparse__ PARAMS ((void *arg));
247#endif
248
249/* @@ begin of epilog @@ */
250
251#endif /* gettextP.h */
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