|
| 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 */ |
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