| 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 Lesser 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 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, 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 | /* Prefer gnulib's setlocale override over libintl's setlocale override. */ |
| 97 | #ifdef GNULIB_defined_setlocale |
| 98 | # undef setlocale |
| 99 | # define setlocale rpl_setlocale |
| 100 | #endif |
| 101 | |
| 102 | /* A pseudo function call that serves as a marker for the automated |
| 103 | extraction of messages, but does not call gettext(). The run-time |
| 104 | translation is done at a different place in the code. |
| 105 | The argument, String, should be a literal string. Concatenated strings |
| 106 | and other string expressions won't work. |
| 107 | The macro's expansion is not parenthesized, so that it is suitable as |
| 108 | initializer for static 'char[]' or 'const char[]' variables. */ |
| 109 | #define gettext_noop(String) String |
| 110 | |
| 111 | /* The separator between msgctxt and msgid in a .mo file. */ |
| 112 | #define GETTEXT_CONTEXT_GLUE "\004" |
| 113 | |
| 114 | /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a |
| 115 | MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be |
| 116 | short and rarely need to change. |
| 117 | The letter 'p' stands for 'particular' or 'special'. */ |
| 118 | #ifdef DEFAULT_TEXT_DOMAIN |
| 119 | # define pgettext(Msgctxt, Msgid) \ |
| 120 | pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
| 121 | #else |
| 122 | # define pgettext(Msgctxt, Msgid) \ |
| 123 | pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
| 124 | #endif |
| 125 | #define dpgettext(Domainname, Msgctxt, Msgid) \ |
| 126 | pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) |
| 127 | #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ |
| 128 | pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) |
| 129 | #ifdef DEFAULT_TEXT_DOMAIN |
| 130 | # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ |
| 131 | npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
| 132 | #else |
| 133 | # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ |
| 134 | npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
| 135 | #endif |
| 136 | #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ |
| 137 | npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) |
| 138 | #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ |
| 139 | npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) |
| 140 | |
| 141 | #ifdef __GNUC__ |
| 142 | __inline |
| 143 | #else |
| 144 | #ifdef __cplusplus |
| 145 | inline |
| 146 | #endif |
| 147 | #endif |
| 148 | static const char * |
| 149 | pgettext_aux (const char *domain, |
| 150 | const char *msg_ctxt_id, const char *msgid, |
| 151 | int category) |
| 152 | { |
| 153 | const char *translation = dcgettext (domain, msg_ctxt_id, category); |
| 154 | if (translation == msg_ctxt_id) |
| 155 | return msgid; |
| 156 | else |
| 157 | return translation; |
| 158 | } |
| 159 | |
| 160 | #ifdef __GNUC__ |
| 161 | __inline |
| 162 | #else |
| 163 | #ifdef __cplusplus |
| 164 | inline |
| 165 | #endif |
| 166 | #endif |
| 167 | static const char * |
| 168 | npgettext_aux (const char *domain, |
| 169 | const char *msg_ctxt_id, const char *msgid, |
| 170 | const char *msgid_plural, unsigned long int n, |
| 171 | int category) |
| 172 | { |
| 173 | const char *translation = |
| 174 | dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); |
| 175 | if (translation == msg_ctxt_id || translation == msgid_plural) |
| 176 | return (n == 1 ? msgid : msgid_plural); |
| 177 | else |
| 178 | return translation; |
| 179 | } |
| 180 | |
| 181 | /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID |
| 182 | can be arbitrary expressions. But for string literals these macros are |
| 183 | less efficient than those above. */ |
| 184 | |
| 185 | #include <string.h> |
| 186 | |
| 187 | #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ |
| 188 | (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \ |
| 189 | /* || __STDC_VERSION__ >= 199901L */ ) |
| 190 | |
| 191 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| 192 | #include <stdlib.h> |
| 193 | #endif |
| 194 | |
| 195 | #define pgettext_expr(Msgctxt, Msgid) \ |
| 196 | dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) |
| 197 | #define dpgettext_expr(Domainname, Msgctxt, Msgid) \ |
| 198 | dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) |
| 199 | |
| 200 | #ifdef __GNUC__ |
| 201 | __inline |
| 202 | #else |
| 203 | #ifdef __cplusplus |
| 204 | inline |
| 205 | #endif |
| 206 | #endif |
| 207 | static const char * |
| 208 | dcpgettext_expr (const char *domain, |
| 209 | const char *msgctxt, const char *msgid, |
| 210 | int category) |
| 211 | { |
| 212 | size_t msgctxt_len = strlen (msgctxt) + 1; |
| 213 | size_t msgid_len = strlen (msgid) + 1; |
| 214 | const char *translation; |
| 215 | #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| 216 | char msg_ctxt_id[msgctxt_len + msgid_len]; |
| 217 | #else |
| 218 | char buf[1024]; |
| 219 | char *msg_ctxt_id = |
| 220 | (msgctxt_len + msgid_len <= sizeof (buf) |
| 221 | ? buf |
| 222 | : (char *) malloc (msgctxt_len + msgid_len)); |
| 223 | if (msg_ctxt_id != NULL) |
| 224 | #endif |
| 225 | { |
| 226 | memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); |
| 227 | msg_ctxt_id[msgctxt_len - 1] = '\004'; |
| 228 | memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); |
| 229 | translation = dcgettext (domain, msg_ctxt_id, category); |
| 230 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| 231 | if (msg_ctxt_id != buf) |
| 232 | free (msg_ctxt_id); |
| 233 | #endif |
| 234 | if (translation != msg_ctxt_id) |
| 235 | return translation; |
| 236 | } |
| 237 | return msgid; |
| 238 | } |
| 239 | |
| 240 | #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ |
| 241 | dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) |
| 242 | #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ |
| 243 | dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) |
| 244 | |
| 245 | #ifdef __GNUC__ |
| 246 | __inline |
| 247 | #else |
| 248 | #ifdef __cplusplus |
| 249 | inline |
| 250 | #endif |
| 251 | #endif |
| 252 | static const char * |
| 253 | dcnpgettext_expr (const char *domain, |
| 254 | const char *msgctxt, const char *msgid, |
| 255 | const char *msgid_plural, unsigned long int n, |
| 256 | int category) |
| 257 | { |
| 258 | size_t msgctxt_len = strlen (msgctxt) + 1; |
| 259 | size_t msgid_len = strlen (msgid) + 1; |
| 260 | const char *translation; |
| 261 | #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| 262 | char msg_ctxt_id[msgctxt_len + msgid_len]; |
| 263 | #else |
| 264 | char buf[1024]; |
| 265 | char *msg_ctxt_id = |
| 266 | (msgctxt_len + msgid_len <= sizeof (buf) |
| 267 | ? buf |
| 268 | : (char *) malloc (msgctxt_len + msgid_len)); |
| 269 | if (msg_ctxt_id != NULL) |
| 270 | #endif |
| 271 | { |
| 272 | memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); |
| 273 | msg_ctxt_id[msgctxt_len - 1] = '\004'; |
| 274 | memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); |
| 275 | translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); |
| 276 | #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS |
| 277 | if (msg_ctxt_id != buf) |
| 278 | free (msg_ctxt_id); |
| 279 | #endif |
| 280 | if (!(translation == msg_ctxt_id || translation == msgid_plural)) |
| 281 | return translation; |
| 282 | } |
| 283 | return (n == 1 ? msgid : msgid_plural); |
| 284 | } |
| 285 | |
| 286 | #endif /* _LIBGETTEXT_H */ |