1/* Convenience header for conditional use of GNU <libintl.h>. 2 Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2010 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 General Public License as published by 7 the Free Software Foundation; either version 3, 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 General Public License for more details. 14 15 You should have received a copy of the GNU 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) || _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/* A pseudo function call that serves as a marker for the automated 97 extraction of messages, but does not call gettext(). The run-time 98 translation is done at a different place in the code. 99 The argument, String, should be a literal string. Concatenated strings 100 and other string expressions won't work. 101 The macro's expansion is not parenthesized, so that it is suitable as 102 initializer for static 'char[]' or 'const char[]' variables. */ 103#define gettext_noop(String) String 104 105/* The separator between msgctxt and msgid in a .mo file. */ 106#define GETTEXT_CONTEXT_GLUE "\004" 107 108/* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a 109 MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be 110 short and rarely need to change. 111 The letter 'p' stands for 'particular' or 'special'. */ 112#ifdef DEFAULT_TEXT_DOMAIN 113# define pgettext(Msgctxt, Msgid) \ 114 pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 115#else 116# define pgettext(Msgctxt, Msgid) \ 117 pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 118#endif 119#define dpgettext(Domainname, Msgctxt, Msgid) \ 120 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 121#define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ 122 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) 123#ifdef DEFAULT_TEXT_DOMAIN 124# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ 125 npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 126#else 127# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ 128 npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 129#endif 130#define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ 131 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 132#define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ 133 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) 134 135#ifdef __GNUC__ 136__inline 137#else 138#ifdef __cplusplus 139inline 140#endif 141#endif 142static const char * 143pgettext_aux (const char *domain, 144 const char *msg_ctxt_id, const char *msgid, 145 int category) 146{ 147 const char *translation = dcgettext (domain, msg_ctxt_id, category); 148 if (translation == msg_ctxt_id) 149 return msgid; 150 else 151 return translation; 152} 153 154#ifdef __GNUC__ 155__inline 156#else 157#ifdef __cplusplus 158inline 159#endif 160#endif 161static const char * 162npgettext_aux (const char *domain, 163 const char *msg_ctxt_id, const char *msgid, 164 const char *msgid_plural, unsigned long int n, 165 int category) 166{ 167 const char *translation = 168 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 169 if (translation == msg_ctxt_id || translation == msgid_plural) 170 return (n == 1 ? msgid : msgid_plural); 171 else 172 return translation; 173} 174 175/* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID 176 can be arbitrary expressions. But for string literals these macros are 177 less efficient than those above. */ 178 179#include <string.h> 180 181#define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ 182 (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \ 183 /* || __STDC_VERSION__ >= 199901L */ ) 184 185#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 186#include <stdlib.h> 187#endif 188 189#define pgettext_expr(Msgctxt, Msgid) \ 190 dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) 191#define dpgettext_expr(Domainname, Msgctxt, Msgid) \ 192 dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) 193 194#ifdef __GNUC__ 195__inline 196#else 197#ifdef __cplusplus 198inline 199#endif 200#endif 201static const char * 202dcpgettext_expr (const char *domain, 203 const char *msgctxt, const char *msgid, 204 int category) 205{ 206 size_t msgctxt_len = strlen (msgctxt) + 1; 207 size_t msgid_len = strlen (msgid) + 1; 208 const char *translation; 209#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 210 char msg_ctxt_id[msgctxt_len + msgid_len]; 211#else 212 char buf[1024]; 213 char *msg_ctxt_id = 214 (msgctxt_len + msgid_len <= sizeof (buf) 215 ? buf 216 : (char *) malloc (msgctxt_len + msgid_len)); 217 if (msg_ctxt_id != NULL) 218#endif 219 { 220 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 221 msg_ctxt_id[msgctxt_len - 1] = '\004'; 222 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 223 translation = dcgettext (domain, msg_ctxt_id, category); 224#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 225 if (msg_ctxt_id != buf) 226 free (msg_ctxt_id); 227#endif 228 if (translation != msg_ctxt_id) 229 return translation; 230 } 231 return msgid; 232} 233 234#define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ 235 dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) 236#define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ 237 dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) 238 239#ifdef __GNUC__ 240__inline 241#else 242#ifdef __cplusplus 243inline 244#endif 245#endif 246static const char * 247dcnpgettext_expr (const char *domain, 248 const char *msgctxt, const char *msgid, 249 const char *msgid_plural, unsigned long int n, 250 int category) 251{ 252 size_t msgctxt_len = strlen (msgctxt) + 1; 253 size_t msgid_len = strlen (msgid) + 1; 254 const char *translation; 255#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 256 char msg_ctxt_id[msgctxt_len + msgid_len]; 257#else 258 char buf[1024]; 259 char *msg_ctxt_id = 260 (msgctxt_len + msgid_len <= sizeof (buf) 261 ? buf 262 : (char *) malloc (msgctxt_len + msgid_len)); 263 if (msg_ctxt_id != NULL) 264#endif 265 { 266 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 267 msg_ctxt_id[msgctxt_len - 1] = '\004'; 268 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 269 translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 270#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 271 if (msg_ctxt_id != buf) 272 free (msg_ctxt_id); 273#endif 274 if (!(translation == msg_ctxt_id || translation == msgid_plural)) 275 return translation; 276 } 277 return (n == 1 ? msgid : msgid_plural); 278} 279 280#endif /* _LIBGETTEXT_H */ 281