1 | /* Convenience header for conditional use of GNU <libintl.h>. |
2 | Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2012 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 Lesser General Public License as published by |
7 | the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public License along |
16 | with this program; if not, see <http://www.gnu.org/licenses/>. */ |
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 && !defined __UCLIBC__) || _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 | # undef gettext |
67 | # define gettext(Msgid) ((const char *) (Msgid)) |
68 | # undef dgettext |
69 | # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid)) |
70 | # undef dcgettext |
71 | # define dcgettext(Domainname, Msgid, Category) \ |
72 | ((void) (Category), dgettext (Domainname, Msgid)) |
73 | # undef ngettext |
74 | # define ngettext(Msgid1, Msgid2, N) \ |
75 | ((N) == 1 \ |
76 | ? ((void) (Msgid2), (const char *) (Msgid1)) \ |
77 | : ((void) (Msgid1), (const char *) (Msgid2))) |
78 | # undef dngettext |
79 | # define dngettext(Domainname, Msgid1, Msgid2, N) \ |
80 | ((void) (Domainname), ngettext (Msgid1, Msgid2, N)) |
81 | # undef dcngettext |
82 | # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ |
83 | ((void) (Category), dngettext (Domainname, Msgid1, Msgid2, N)) |
84 | # undef textdomain |
85 | # define textdomain(Domainname) ((const char *) (Domainname)) |
86 | # undef bindtextdomain |
87 | # define bindtextdomain(Domainname, Dirname) \ |
88 | ((void) (Domainname), (const char *) (Dirname)) |
89 | # undef bind_textdomain_codeset |
90 | # define bind_textdomain_codeset(Domainname, Codeset) \ |
91 | ((void) (Domainname), (const char *) (Codeset)) |
92 | |
93 | #endif |
94 | |
95 | /* Prefer gnulib's setlocale override over libintl's setlocale override. */ |
96 | #ifdef GNULIB_defined_setlocale |
97 | # undef setlocale |
98 | # define setlocale rpl_setlocale |
99 | #endif |
100 | |
101 | /* A pseudo function call that serves as a marker for the automated |
102 | extraction of messages, but does not call gettext(). The run-time |
103 | translation is done at a different place in the code. |
104 | The argument, String, should be a literal string. Concatenated strings |
105 | and other string expressions won't work. |
106 | The macro's expansion is not parenthesized, so that it is suitable as |
107 | initializer for static 'char[]' or 'const char[]' variables. */ |
108 | #define gettext_noop(String) String |
109 | |
110 | /* The separator between msgctxt and msgid in a .mo file. */ |
111 | #define GETTEXT_CONTEXT_GLUE "\004" |
112 | |
113 | /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a |
114 | MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be |
115 | short and rarely need to change. |
116 | The letter 'p' stands for 'particular' or 'special'. */ |
117 | #ifdef DEFAULT_TEXT_DOMAIN |
118 | # define pgettext(Msgctxt, Msgid) \ |
119 | pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
120 | #else |
121 | # define pgettext(Msgctxt, Msgid) \ |
122 | pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
123 | #endif |
124 | #define dpgettext(Domainname, Msgctxt, Msgid) \ |
125 | pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
126 | #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ |
127 | pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) |
128 | #ifdef DEFAULT_TEXT_DOMAIN |
129 | # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ |
130 | npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
131 | #else |
132 | # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ |
133 | npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
134 | #endif |
135 | #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ |
136 | npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
137 | #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ |
138 | npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) |
139 | |
140 | #ifdef __GNUC__ |
141 | __inline |
142 | #else |
143 | #ifdef __cplusplus |
144 | inline |
145 | #endif |
146 | #endif |
147 | static const char * |
148 | pgettext_aux (const char *domain, |
149 | const char *msg_ctxt_id, const char *msgid, |
150 | int category) |
151 | { |
152 | const char *translation = dcgettext (domain, msg_ctxt_id, category); |
153 | if (translation == msg_ctxt_id) |
154 | return msgid; |
155 | else |
156 | return translation; |
157 | } |
158 | |
159 | #ifdef __GNUC__ |
160 | __inline |
161 | #else |
162 | #ifdef __cplusplus |
163 | inline |
164 | #endif |
165 | #endif |
166 | static const char * |
167 | npgettext_aux (const char *domain, |
168 | const char *msg_ctxt_id, const char *msgid, |
169 | const char *msgid_plural, unsigned long int n, |
170 | int category) |
171 | { |
172 | const char *translation = |
173 | dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); |
174 | if (translation == msg_ctxt_id || translation == msgid_plural) |
175 | return (n == 1 ? msgid : msgid_plural); |
176 | else |
177 | return translation; |
178 | } |
179 | |
180 | /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID |
181 | can be arbitrary expressions. But for string literals these macros are |
182 | less efficient than those above. */ |
183 | |
184 | #include <string.h> |
185 | |
186 | #endif /* _LIBGETTEXT_H */ |
187 | |