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Diffstat (limited to 'gl/gettext.h')
-rw-r--r-- | gl/gettext.h | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/gl/gettext.h b/gl/gettext.h new file mode 100644 index 00000000..9d76ec9a --- /dev/null +++ b/gl/gettext.h | |||
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1 | /* Convenience header for conditional use of GNU <libintl.h>. | ||
2 | Copyright (C) 1995-1998, 2000-2002, 2004-2006 Free Software Foundation, Inc. | ||
3 | |||
4 | This program is free software; you can redistribute it and/or modify | ||
5 | it under the terms of the GNU General Public License as published by | ||
6 | the Free Software Foundation; either version 2, or (at your option) | ||
7 | any later version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | GNU General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU General Public License along | ||
15 | with this program; if not, write to the Free Software Foundation, | ||
16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | ||
17 | |||
18 | #ifndef _LIBGETTEXT_H | ||
19 | #define _LIBGETTEXT_H 1 | ||
20 | |||
21 | /* NLS can be disabled through the configure --disable-nls option. */ | ||
22 | #if ENABLE_NLS | ||
23 | |||
24 | /* Get declarations of GNU message catalog functions. */ | ||
25 | # include <libintl.h> | ||
26 | |||
27 | /* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by | ||
28 | the gettext() and ngettext() macros. This is an alternative to calling | ||
29 | textdomain(), and is useful for libraries. */ | ||
30 | # ifdef DEFAULT_TEXT_DOMAIN | ||
31 | # undef gettext | ||
32 | # define gettext(Msgid) \ | ||
33 | dgettext (DEFAULT_TEXT_DOMAIN, Msgid) | ||
34 | # undef ngettext | ||
35 | # define ngettext(Msgid1, Msgid2, N) \ | ||
36 | dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N) | ||
37 | # endif | ||
38 | |||
39 | #else | ||
40 | |||
41 | /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which | ||
42 | chokes if dcgettext is defined as a macro. So include it now, to make | ||
43 | later inclusions of <locale.h> a NOP. We don't include <libintl.h> | ||
44 | as well because people using "gettext.h" will not include <libintl.h>, | ||
45 | and also including <libintl.h> would fail on SunOS 4, whereas <locale.h> | ||
46 | is OK. */ | ||
47 | #if defined(__sun) | ||
48 | # include <locale.h> | ||
49 | #endif | ||
50 | |||
51 | /* Many header files from the libstdc++ coming with g++ 3.3 or newer include | ||
52 | <libintl.h>, which chokes if dcgettext is defined as a macro. So include | ||
53 | it now, to make later inclusions of <libintl.h> a NOP. */ | ||
54 | #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3) | ||
55 | # include <cstdlib> | ||
56 | # if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H | ||
57 | # include <libintl.h> | ||
58 | # endif | ||
59 | #endif | ||
60 | |||
61 | /* Disabled NLS. | ||
62 | The casts to 'const char *' serve the purpose of producing warnings | ||
63 | for invalid uses of the value returned from these functions. | ||
64 | On pre-ANSI systems without 'const', the config.h file is supposed to | ||
65 | contain "#define const". */ | ||
66 | # define gettext(Msgid) ((const char *) (Msgid)) | ||
67 | # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid)) | ||
68 | # define dcgettext(Domainname, Msgid, Category) \ | ||
69 | ((void) (Category), dgettext (Domainname, Msgid)) | ||
70 | # define ngettext(Msgid1, Msgid2, N) \ | ||
71 | ((N) == 1 \ | ||
72 | ? ((void) (Msgid2), (const char *) (Msgid1)) \ | ||
73 | : ((void) (Msgid1), (const char *) (Msgid2))) | ||
74 | # define dngettext(Domainname, Msgid1, Msgid2, N) \ | ||
75 | ((void) (Domainname), ngettext (Msgid1, Msgid2, N)) | ||
76 | # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ | ||
77 | ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N)) | ||
78 | # define textdomain(Domainname) ((const char *) (Domainname)) | ||
79 | # define bindtextdomain(Domainname, Dirname) \ | ||
80 | ((void) (Domainname), (const char *) (Dirname)) | ||
81 | # define bind_textdomain_codeset(Domainname, Codeset) \ | ||
82 | ((void) (Domainname), (const char *) (Codeset)) | ||
83 | |||
84 | #endif | ||
85 | |||
86 | /* A pseudo function call that serves as a marker for the automated | ||
87 | extraction of messages, but does not call gettext(). The run-time | ||
88 | translation is done at a different place in the code. | ||
89 | The argument, String, should be a literal string. Concatenated strings | ||
90 | and other string expressions won't work. | ||
91 | The macro's expansion is not parenthesized, so that it is suitable as | ||
92 | initializer for static 'char[]' or 'const char[]' variables. */ | ||
93 | #define gettext_noop(String) String | ||
94 | |||
95 | /* The separator between msgctxt and msgid in a .mo file. */ | ||
96 | #define GETTEXT_CONTEXT_GLUE "\004" | ||
97 | |||
98 | /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a | ||
99 | MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be | ||
100 | short and rarely need to change. | ||
101 | The letter 'p' stands for 'particular' or 'special'. */ | ||
102 | #ifdef DEFAULT_TEXT_DOMAIN | ||
103 | # define pgettext(Msgctxt, Msgid) \ | ||
104 | pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) | ||
105 | #else | ||
106 | # define pgettext(Msgctxt, Msgid) \ | ||
107 | pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) | ||
108 | #endif | ||
109 | #define dpgettext(Domainname, Msgctxt, Msgid) \ | ||
110 | pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) | ||
111 | #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ | ||
112 | pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) | ||
113 | #ifdef DEFAULT_TEXT_DOMAIN | ||
114 | # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ | ||
115 | npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) | ||
116 | #else | ||
117 | # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ | ||
118 | npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) | ||
119 | #endif | ||
120 | #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ | ||
121 | npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) | ||
122 | #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ | ||
123 | npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) | ||
124 | |||
125 | #ifdef __GNUC__ | ||
126 | __inline | ||
127 | #else | ||
128 | #ifdef __cplusplus | ||
129 | inline | ||
130 | #endif | ||
131 | #endif | ||
132 | static const char * | ||
133 | pgettext_aux (const char *domain, | ||
134 | const char *msg_ctxt_id, const char *msgid, | ||
135 | int category) | ||
136 | { | ||
137 | const char *translation = dcgettext (domain, msg_ctxt_id, category); | ||
138 | if (translation == msg_ctxt_id) | ||
139 | return msgid; | ||
140 | else | ||
141 | return translation; | ||
142 | } | ||
143 | |||
144 | #ifdef __GNUC__ | ||
145 | __inline | ||
146 | #else | ||
147 | #ifdef __cplusplus | ||
148 | inline | ||
149 | #endif | ||
150 | #endif | ||
151 | static const char * | ||
152 | npgettext_aux (const char *domain, | ||
153 | const char *msg_ctxt_id, const char *msgid, | ||
154 | const char *msgid_plural, unsigned long int n, | ||
155 | int category) | ||
156 | { | ||
157 | const char *translation = | ||
158 | dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); | ||
159 | if (translation == msg_ctxt_id || translation == msgid_plural) | ||
160 | return (n == 1 ? msgid : msgid_plural); | ||
161 | else | ||
162 | return translation; | ||
163 | } | ||
164 | |||
165 | /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID | ||
166 | can be arbitrary expressions. But for string literals these macros are | ||
167 | less efficient than those above. */ | ||
168 | |||
169 | #include <string.h> | ||
170 | |||
171 | #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ | ||
172 | (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \ | ||
173 | /* || __STDC_VERSION__ >= 199901L */ ) | ||
174 | |||
175 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | ||
176 | #include <stdlib.h> | ||
177 | #endif | ||
178 | |||
179 | #define pgettext_expr(Msgctxt, Msgid) \ | ||
180 | dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) | ||
181 | #define dpgettext_expr(Domainname, Msgctxt, Msgid) \ | ||
182 | dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) | ||
183 | |||
184 | #ifdef __GNUC__ | ||
185 | __inline | ||
186 | #else | ||
187 | #ifdef __cplusplus | ||
188 | inline | ||
189 | #endif | ||
190 | #endif | ||
191 | static const char * | ||
192 | dcpgettext_expr (const char *domain, | ||
193 | const char *msgctxt, const char *msgid, | ||
194 | int category) | ||
195 | { | ||
196 | size_t msgctxt_len = strlen (msgctxt) + 1; | ||
197 | size_t msgid_len = strlen (msgid) + 1; | ||
198 | const char *translation; | ||
199 | #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | ||
200 | char msg_ctxt_id[msgctxt_len + msgid_len]; | ||
201 | #else | ||
202 | char buf[1024]; | ||
203 | char *msg_ctxt_id = | ||
204 | (msgctxt_len + msgid_len <= sizeof (buf) | ||
205 | ? buf | ||
206 | : (char *) malloc (msgctxt_len + msgid_len)); | ||
207 | if (msg_ctxt_id != NULL) | ||
208 | #endif | ||
209 | { | ||
210 | memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); | ||
211 | msg_ctxt_id[msgctxt_len - 1] = '\004'; | ||
212 | memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); | ||
213 | translation = dcgettext (domain, msg_ctxt_id, category); | ||
214 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | ||
215 | if (msg_ctxt_id != buf) | ||
216 | free (msg_ctxt_id); | ||
217 | #endif | ||
218 | if (translation != msg_ctxt_id) | ||
219 | return translation; | ||
220 | } | ||
221 | return msgid; | ||
222 | } | ||
223 | |||
224 | #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ | ||
225 | dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) | ||
226 | #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ | ||
227 | dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) | ||
228 | |||
229 | #ifdef __GNUC__ | ||
230 | __inline | ||
231 | #else | ||
232 | #ifdef __cplusplus | ||
233 | inline | ||
234 | #endif | ||
235 | #endif | ||
236 | static const char * | ||
237 | dcnpgettext_expr (const char *domain, | ||
238 | const char *msgctxt, const char *msgid, | ||
239 | const char *msgid_plural, unsigned long int n, | ||
240 | int category) | ||
241 | { | ||
242 | size_t msgctxt_len = strlen (msgctxt) + 1; | ||
243 | size_t msgid_len = strlen (msgid) + 1; | ||
244 | const char *translation; | ||
245 | #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | ||
246 | char msg_ctxt_id[msgctxt_len + msgid_len]; | ||
247 | #else | ||
248 | char buf[1024]; | ||
249 | char *msg_ctxt_id = | ||
250 | (msgctxt_len + msgid_len <= sizeof (buf) | ||
251 | ? buf | ||
252 | : (char *) malloc (msgctxt_len + msgid_len)); | ||
253 | if (msg_ctxt_id != NULL) | ||
254 | #endif | ||
255 | { | ||
256 | memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); | ||
257 | msg_ctxt_id[msgctxt_len - 1] = '\004'; | ||
258 | memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); | ||
259 | translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); | ||
260 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS | ||
261 | if (msg_ctxt_id != buf) | ||
262 | free (msg_ctxt_id); | ||
263 | #endif | ||
264 | if (!(translation == msg_ctxt_id || translation == msgid_plural)) | ||
265 | return translation; | ||
266 | } | ||
267 | return (n == 1 ? msgid : msgid_plural); | ||
268 | } | ||
269 | |||
270 | #endif /* _LIBGETTEXT_H */ | ||