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1 | /* Convenience header for conditional use of GNU <libintl.h>. |
2 | Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2011 Free Software | |
3 | Foundation, Inc. | |
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 3, 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 along | |
16 | with this program; if not, write to the Free Software Foundation, | |
17 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | |
18 | ||
19 | #ifndef _LIBGETTEXT_H | |
20 | #define _LIBGETTEXT_H 1 | |
21 | ||
22 | /* NLS can be disabled through the configure --disable-nls option. */ | |
23 | #if ENABLE_NLS | |
24 | ||
25 | /* Get declarations of GNU message catalog functions. */ | |
26 | # include <libintl.h> | |
27 | ||
28 | /* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by | |
29 | the gettext() and ngettext() macros. This is an alternative to calling | |
30 | textdomain(), and is useful for libraries. */ | |
31 | # ifdef DEFAULT_TEXT_DOMAIN | |
32 | # undef gettext | |
33 | # define gettext(Msgid) \ | |
34 | dgettext (DEFAULT_TEXT_DOMAIN, Msgid) | |
35 | # undef ngettext | |
36 | # define ngettext(Msgid1, Msgid2, N) \ | |
37 | dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N) | |
38 | # endif | |
39 | ||
40 | #else | |
41 | ||
42 | /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which | |
43 | chokes if dcgettext is defined as a macro. So include it now, to make | |
44 | later inclusions of <locale.h> a NOP. We don't include <libintl.h> | |
45 | as well because people using "gettext.h" will not include <libintl.h>, | |
46 | and also including <libintl.h> would fail on SunOS 4, whereas <locale.h> | |
47 | is OK. */ | |
48 | #if defined(__sun) | |
49 | # include <locale.h> | |
50 | #endif | |
51 | ||
52 | /* Many header files from the libstdc++ coming with g++ 3.3 or newer include | |
53 | <libintl.h>, which chokes if dcgettext is defined as a macro. So include | |
54 | it now, to make later inclusions of <libintl.h> a NOP. */ | |
55 | #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3) | |
56 | # include <cstdlib> | |
57 | # if (__GLIBC__ >= 2 && !defined __UCLIBC__) || _GLIBCXX_HAVE_LIBINTL_H | |
58 | # include <libintl.h> | |
59 | # endif | |
60 | #endif | |
61 | ||
62 | /* Disabled NLS. | |
63 | The casts to 'const char *' serve the purpose of producing warnings | |
64 | for invalid uses of the value returned from these functions. | |
65 | On pre-ANSI systems without 'const', the config.h file is supposed to | |
66 | contain "#define const". */ | |
67 | # undef gettext | |
68 | # define gettext(Msgid) ((const char *) (Msgid)) | |
69 | # undef dgettext | |
70 | # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid)) | |
71 | # undef dcgettext | |
72 | # define dcgettext(Domainname, Msgid, Category) \ | |
73 | ((void) (Category), dgettext (Domainname, Msgid)) | |
74 | # undef ngettext | |
75 | # define ngettext(Msgid1, Msgid2, N) \ | |
76 | ((N) == 1 \ | |
77 | ? ((void) (Msgid2), (const char *) (Msgid1)) \ | |
78 | : ((void) (Msgid1), (const char *) (Msgid2))) | |
79 | # undef dngettext | |
80 | # define dngettext(Domainname, Msgid1, Msgid2, N) \ | |
81 | ((void) (Domainname), ngettext (Msgid1, Msgid2, N)) | |
82 | # undef dcngettext | |
83 | # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ | |
84 | ((void) (Category), dngettext (Domainname, Msgid1, Msgid2, N)) | |
85 | # undef textdomain | |
86 | # define textdomain(Domainname) ((const char *) (Domainname)) | |
87 | # undef bindtextdomain | |
88 | # define bindtextdomain(Domainname, Dirname) \ | |
89 | ((void) (Domainname), (const char *) (Dirname)) | |
90 | # undef bind_textdomain_codeset | |
91 | # define bind_textdomain_codeset(Domainname, Codeset) \ | |
92 | ((void) (Domainname), (const char *) (Codeset)) | |
93 | ||
94 | #endif | |
95 | ||
96 | /* A pseudo function call that serves as a marker for the automated | |
97 | extraction of messages, but does not call gettext(). The run-time | |
98 | translation is done at a different place in the code. | |
99 | The argument, String, should be a literal string. Concatenated strings | |
100 | and other string expressions won't work. | |
101 | The macro's expansion is not parenthesized, so that it is suitable as | |
102 | initializer for static 'char[]' or 'const char[]' variables. */ | |
103 | #define gettext_noop(String) String | |
104 | ||
105 | /* The separator between msgctxt and msgid in a .mo file. */ | |
106 | #define GETTEXT_CONTEXT_GLUE "\004" | |
107 | ||
108 | /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a | |
109 | MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be | |
110 | short and rarely need to change. | |
111 | The letter 'p' stands for 'particular' or 'special'. */ | |
112 | #ifdef DEFAULT_TEXT_DOMAIN | |
113 | # define pgettext(Msgctxt, Msgid) \ | |
114 | pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) | |
115 | #else | |
116 | # define pgettext(Msgctxt, Msgid) \ | |
117 | pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) | |
118 | #endif | |
119 | #define dpgettext(Domainname, Msgctxt, Msgid) \ | |
120 | pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) | |
121 | #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ | |
122 | pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) | |
123 | #ifdef DEFAULT_TEXT_DOMAIN | |
124 | # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ | |
125 | npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) | |
126 | #else | |
127 | # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ | |
128 | npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) | |
129 | #endif | |
130 | #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ | |
131 | npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) | |
132 | #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ | |
133 | npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) | |
134 | ||
135 | #ifdef __GNUC__ | |
136 | __inline | |
137 | #else | |
138 | #ifdef __cplusplus | |
139 | inline | |
140 | #endif | |
141 | #endif | |
142 | static const char * | |
143 | pgettext_aux (const char *domain, | |
144 | const char *msg_ctxt_id, const char *msgid, | |
145 | int category) | |
146 | { | |
147 | const char *translation = dcgettext (domain, msg_ctxt_id, category); | |
148 | if (translation == msg_ctxt_id) | |
149 | return msgid; | |
150 | else | |
151 | return translation; | |
152 | } | |
153 | ||
154 | #ifdef __GNUC__ | |
155 | __inline | |
156 | #else | |
157 | #ifdef __cplusplus | |
158 | inline | |
159 | #endif | |
160 | #endif | |
161 | static const char * | |
162 | npgettext_aux (const char *domain, | |
163 | const char *msg_ctxt_id, const char *msgid, | |
164 | const char *msgid_plural, unsigned long int n, | |
165 | int category) | |
166 | { | |
167 | const char *translation = | |
168 | dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); | |
169 | if (translation == msg_ctxt_id || translation == msgid_plural) | |
170 | return (n == 1 ? msgid : msgid_plural); | |
171 | else | |
172 | return translation; | |
173 | } | |
174 | ||
175 | /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID | |
176 | can be arbitrary expressions. But for string literals these macros are | |
177 | less efficient than those above. */ | |
178 | ||
179 | #include <string.h> | |
180 | ||
181 | #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ | |
182 | (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \ | |
183 | /* || __STDC_VERSION__ >= 199901L */ ) | |
184 | ||
185 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | |
186 | #include <stdlib.h> | |
187 | #endif | |
188 | ||
189 | #define pgettext_expr(Msgctxt, Msgid) \ | |
190 | dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) | |
191 | #define dpgettext_expr(Domainname, Msgctxt, Msgid) \ | |
192 | dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) | |
193 | ||
194 | #ifdef __GNUC__ | |
195 | __inline | |
196 | #else | |
197 | #ifdef __cplusplus | |
198 | inline | |
199 | #endif | |
200 | #endif | |
201 | static const char * | |
202 | dcpgettext_expr (const char *domain, | |
203 | const char *msgctxt, const char *msgid, | |
204 | int category) | |
205 | { | |
206 | size_t msgctxt_len = strlen (msgctxt) + 1; | |
207 | size_t msgid_len = strlen (msgid) + 1; | |
208 | const char *translation; | |
209 | #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | |
210 | char msg_ctxt_id[msgctxt_len + msgid_len]; | |
211 | #else | |
212 | char buf[1024]; | |
213 | char *msg_ctxt_id = | |
214 | (msgctxt_len + msgid_len <= sizeof (buf) | |
215 | ? buf | |
216 | : (char *) malloc (msgctxt_len + msgid_len)); | |
217 | if (msg_ctxt_id != NULL) | |
218 | #endif | |
219 | { | |
220 | memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); | |
221 | msg_ctxt_id[msgctxt_len - 1] = '\004'; | |
222 | memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); | |
223 | translation = dcgettext (domain, msg_ctxt_id, category); | |
224 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | |
225 | if (msg_ctxt_id != buf) | |
226 | free (msg_ctxt_id); | |
227 | #endif | |
228 | if (translation != msg_ctxt_id) | |
229 | return translation; | |
230 | } | |
231 | return msgid; | |
232 | } | |
233 | ||
234 | #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ | |
235 | dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) | |
236 | #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ | |
237 | dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) | |
238 | ||
239 | #ifdef __GNUC__ | |
240 | __inline | |
241 | #else | |
242 | #ifdef __cplusplus | |
243 | inline | |
244 | #endif | |
245 | #endif | |
246 | static const char * | |
247 | dcnpgettext_expr (const char *domain, | |
248 | const char *msgctxt, const char *msgid, | |
249 | const char *msgid_plural, unsigned long int n, | |
250 | int category) | |
251 | { | |
252 | size_t msgctxt_len = strlen (msgctxt) + 1; | |
253 | size_t msgid_len = strlen (msgid) + 1; | |
254 | const char *translation; | |
255 | #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | |
256 | char msg_ctxt_id[msgctxt_len + msgid_len]; | |
257 | #else | |
258 | char buf[1024]; | |
259 | char *msg_ctxt_id = | |
260 | (msgctxt_len + msgid_len <= sizeof (buf) | |
261 | ? buf | |
262 | : (char *) malloc (msgctxt_len + msgid_len)); | |
263 | if (msg_ctxt_id != NULL) | |
264 | #endif | |
265 | { | |
266 | memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); | |
267 | msg_ctxt_id[msgctxt_len - 1] = '\004'; | |
268 | memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); | |
269 | translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); | |
270 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | |
271 | if (msg_ctxt_id != buf) | |
272 | free (msg_ctxt_id); | |
273 | #endif | |
274 | if (!(translation == msg_ctxt_id || translation == msgid_plural)) | |
275 | return translation; | |
276 | } | |
277 | return (n == 1 ? msgid : msgid_plural); | |
278 | } | |
279 | ||
280 | #endif /* _LIBGETTEXT_H */ |