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 it
5 : under the terms of the GNU Library General Public License as published
6 : by 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 GNU
12 : Library General Public License for more details.
13 :
14 : You should have received a copy of the GNU Library General Public
15 : License along with this program; if not, write to the Free Software
16 : Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17 : 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) || _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 : # define gettext(Msgid) ((const char *) (Msgid))
68 : # define dgettext(Domainname, Msgid) ((const char *) (Msgid))
69 : # define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid))
70 : # define ngettext(Msgid1, Msgid2, N) \
71 : ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
72 : # define dngettext(Domainname, Msgid1, Msgid2, N) \
73 : ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
74 : # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
75 : ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
76 : # define textdomain(Domainname) ((const char *) (Domainname))
77 : # define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname))
78 : # define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset))
79 :
80 : #endif
81 :
82 : /* A pseudo function call that serves as a marker for the automated
83 : extraction of messages, but does not call gettext(). The run-time
84 : translation is done at a different place in the code.
85 : The argument, String, should be a literal string. Concatenated strings
86 : and other string expressions won't work.
87 : The macro's expansion is not parenthesized, so that it is suitable as
88 : initializer for static 'char[]' or 'const char[]' variables. */
89 : #define gettext_noop(String) String
90 :
91 : /* The separator between msgctxt and msgid in a .mo file. */
92 : #define GETTEXT_CONTEXT_GLUE "\004"
93 :
94 : /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
95 : MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be
96 : short and rarely need to change.
97 : The letter 'p' stands for 'particular' or 'special'. */
98 : #ifdef DEFAULT_TEXT_DOMAIN
99 : # define pgettext(Msgctxt, Msgid) \
100 : pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
101 : #else
102 : # define pgettext(Msgctxt, Msgid) \
103 : pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
104 : #endif
105 : #define dpgettext(Domainname, Msgctxt, Msgid) \
106 : pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
107 : #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
108 : pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
109 : #ifdef DEFAULT_TEXT_DOMAIN
110 : # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
111 : npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
112 : #else
113 : # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
114 : npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
115 : #endif
116 : #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
117 : npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
118 : #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
119 : npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
120 :
121 : #ifdef __GNUC__
122 : __inline
123 : #else
124 : #ifdef __cplusplus
125 : inline
126 : #endif
127 : #endif
128 : static const char *
129 : pgettext_aux (const char *domain,
130 : const char *msg_ctxt_id, const char *msgid,
131 : int category)
132 0 : {
133 0 : const char *translation = dcgettext (domain, msg_ctxt_id, category);
134 0 : if (translation == msg_ctxt_id)
135 0 : return msgid;
136 : else
137 0 : return translation;
138 : }
139 :
140 : #ifdef __GNUC__
141 : __inline
142 : #else
143 : #ifdef __cplusplus
144 : inline
145 : #endif
146 : #endif
147 : static const char *
148 : npgettext_aux (const char *domain,
149 : const char *msg_ctxt_id, const char *msgid,
150 : const char *msgid_plural, unsigned long int n,
151 : int category)
152 0 : {
153 : const char *translation =
154 0 : dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
155 0 : if (translation == msg_ctxt_id || translation == msgid_plural)
156 0 : return (n == 1 ? msgid : msgid_plural);
157 : else
158 0 : return translation;
159 : }
160 :
161 : /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID
162 : can be arbitrary expressions. But for string literals these macros are
163 : less efficient than those above. */
164 :
165 : #include <string.h>
166 :
167 : #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
168 : (__GNUC__ >= 3 || __GNUG__ >= 2 /* || __STDC_VERSION__ >= 199901L */ )
169 :
170 : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
171 : #include <stdlib.h>
172 : #endif
173 :
174 : #define pgettext_expr(Msgctxt, Msgid) \
175 : dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
176 : #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
177 : dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
178 :
179 : #ifdef __GNUC__
180 : __inline
181 : #else
182 : #ifdef __cplusplus
183 : inline
184 : #endif
185 : #endif
186 : static const char *
187 : dcpgettext_expr (const char *domain,
188 : const char *msgctxt, const char *msgid,
189 : int category)
190 0 : {
191 0 : size_t msgctxt_len = strlen (msgctxt) + 1;
192 0 : size_t msgid_len = strlen (msgid) + 1;
193 : const char *translation;
194 : #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
195 0 : char msg_ctxt_id[msgctxt_len + msgid_len];
196 : #else
197 : char buf[1024];
198 : char *msg_ctxt_id =
199 : (msgctxt_len + msgid_len <= sizeof (buf)
200 : ? buf
201 : : (char *) malloc (msgctxt_len + msgid_len));
202 : if (msg_ctxt_id != NULL)
203 : #endif
204 : {
205 0 : memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
206 0 : msg_ctxt_id[msgctxt_len - 1] = '\004';
207 0 : memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
208 0 : translation = dcgettext (domain, msg_ctxt_id, category);
209 : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
210 : if (msg_ctxt_id != buf)
211 : free (msg_ctxt_id);
212 : #endif
213 0 : if (translation != msg_ctxt_id)
214 0 : return translation;
215 : }
216 0 : return msgid;
217 : }
218 :
219 : #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
220 : dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
221 : #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
222 : dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
223 :
224 : #ifdef __GNUC__
225 : __inline
226 : #else
227 : #ifdef __cplusplus
228 : inline
229 : #endif
230 : #endif
231 : static const char *
232 : dcnpgettext_expr (const char *domain,
233 : const char *msgctxt, const char *msgid,
234 : const char *msgid_plural, unsigned long int n,
235 : int category)
236 0 : {
237 0 : size_t msgctxt_len = strlen (msgctxt) + 1;
238 0 : size_t msgid_len = strlen (msgid) + 1;
239 : const char *translation;
240 : #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
241 0 : char msg_ctxt_id[msgctxt_len + msgid_len];
242 : #else
243 : char buf[1024];
244 : char *msg_ctxt_id =
245 : (msgctxt_len + msgid_len <= sizeof (buf)
246 : ? buf
247 : : (char *) malloc (msgctxt_len + msgid_len));
248 : if (msg_ctxt_id != NULL)
249 : #endif
250 : {
251 0 : memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
252 0 : msg_ctxt_id[msgctxt_len - 1] = '\004';
253 0 : memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
254 0 : translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
255 : #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
256 : if (msg_ctxt_id != buf)
257 : free (msg_ctxt_id);
258 : #endif
259 0 : if (!(translation == msg_ctxt_id || translation == msgid_plural))
260 0 : return translation;
261 : }
262 0 : return (n == 1 ? msgid : msgid_plural);
263 : }
264 :
265 : #endif /* _LIBGETTEXT_H */
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