gettext.h revision 1.1
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 { 133 const char *translation = dcgettext (domain, msg_ctxt_id, category); 134 if (translation == msg_ctxt_id) 135 return msgid; 136 else 137 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 { 153 const char *translation = 154 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 155 if (translation == msg_ctxt_id || translation == msgid_plural) 156 return (n == 1 ? msgid : msgid_plural); 157 else 158 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 { 191 size_t msgctxt_len = strlen (msgctxt) + 1; 192 size_t msgid_len = strlen (msgid) + 1; 193 const char *translation; 194 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 195 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 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 206 msg_ctxt_id[msgctxt_len - 1] = '\004'; 207 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 208 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 if (translation != msg_ctxt_id) 214 return translation; 215 } 216 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 { 237 size_t msgctxt_len = strlen (msgctxt) + 1; 238 size_t msgid_len = strlen (msgid) + 1; 239 const char *translation; 240 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 241 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 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 252 msg_ctxt_id[msgctxt_len - 1] = '\004'; 253 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 254 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 if (!(translation == msg_ctxt_id || translation == msgid_plural)) 260 return translation; 261 } 262 return (n == 1 ? msgid : msgid_plural); 263 } 264 265 #endif /* _LIBGETTEXT_H */ 266
Indexes created Wed Jul 01 00:25:26 UTC 2026