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 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 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) ((void) (Domainname), gettext (Msgid)) 69# define dcgettext(Domainname, Msgid, Category) \ 70 ((void) (Category), dgettext (Domainname, Msgid)) 71# define ngettext(Msgid1, Msgid2, N) \ 72 ((N) == 1 \ 73 ? ((void) (Msgid2), (const char *) (Msgid1)) \ 74 : ((void) (Msgid1), (const char *) (Msgid2))) 75# define dngettext(Domainname, Msgid1, Msgid2, N) \ 76 ((void) (Domainname), ngettext (Msgid1, Msgid2, N)) 77# define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ 78 ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N)) 79# define textdomain(Domainname) ((const char *) (Domainname)) 80# define bindtextdomain(Domainname, Dirname) \ 81 ((void) (Domainname), (const char *) (Dirname)) 82# define bind_textdomain_codeset(Domainname, Codeset) \ 83 ((void) (Domainname), (const char *) (Codeset)) 84 85#endif 86 87/* A pseudo function call that serves as a marker for the automated 88 extraction of messages, but does not call gettext(). The run-time 89 translation is done at a different place in the code. 90 The argument, String, should be a literal string. Concatenated strings 91 and other string expressions won't work. 92 The macro's expansion is not parenthesized, so that it is suitable as 93 initializer for static 'char[]' or 'const char[]' variables. */ 94#define gettext_noop(String) String 95 96/* The separator between msgctxt and msgid in a .mo file. */ 97#define GETTEXT_CONTEXT_GLUE "\004" 98 99/* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a 100 MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be 101 short and rarely need to change. 102 The letter 'p' stands for 'particular' or 'special'. */ 103#ifdef DEFAULT_TEXT_DOMAIN 104# define pgettext(Msgctxt, Msgid) \ 105 pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 106#else 107# define pgettext(Msgctxt, Msgid) \ 108 pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 109#endif 110#define dpgettext(Domainname, Msgctxt, Msgid) \ 111 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 112#define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ 113 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) 114#ifdef DEFAULT_TEXT_DOMAIN 115# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ 116 npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 117#else 118# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ 119 npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 120#endif 121#define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ 122 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 123#define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ 124 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) 125 126#ifdef __GNUC__ 127__inline 128#else 129#ifdef __cplusplus 130inline 131#endif 132#endif 133static const char * 134pgettext_aux (const char *domain, 135 const char *msg_ctxt_id, const char *msgid, 136 int category) 137{ 138 const char *translation = dcgettext (domain, msg_ctxt_id, category); 139 if (translation == msg_ctxt_id) 140 return msgid; 141 else 142 return translation; 143} 144 145#ifdef __GNUC__ 146__inline 147#else 148#ifdef __cplusplus 149inline 150#endif 151#endif 152static const char * 153npgettext_aux (const char *domain, 154 const char *msg_ctxt_id, const char *msgid, 155 const char *msgid_plural, unsigned long int n, 156 int category) 157{ 158 const char *translation = 159 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 160 if (translation == msg_ctxt_id || translation == msgid_plural) 161 return (n == 1 ? msgid : msgid_plural); 162 else 163 return translation; 164} 165 166/* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID 167 can be arbitrary expressions. But for string literals these macros are 168 less efficient than those above. */ 169 170#include <string.h> 171 172#define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ 173 (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \ 174 /* || __STDC_VERSION__ >= 199901L */ ) 175 176#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 177#include <stdlib.h> 178#endif 179 180#define pgettext_expr(Msgctxt, Msgid) \ 181 dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) 182#define dpgettext_expr(Domainname, Msgctxt, Msgid) \ 183 dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) 184 185#ifdef __GNUC__ 186__inline 187#else 188#ifdef __cplusplus 189inline 190#endif 191#endif 192static const char * 193dcpgettext_expr (const char *domain, 194 const char *msgctxt, const char *msgid, 195 int category) 196{ 197 size_t msgctxt_len = strlen (msgctxt) + 1; 198 size_t msgid_len = strlen (msgid) + 1; 199 const char *translation; 200#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 201 char msg_ctxt_id[msgctxt_len + msgid_len]; 202#else 203 char buf[1024]; 204 char *msg_ctxt_id = 205 (msgctxt_len + msgid_len <= sizeof (buf) 206 ? buf 207 : (char *) malloc (msgctxt_len + msgid_len)); 208 if (msg_ctxt_id != NULL) 209#endif 210 { 211 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 212 msg_ctxt_id[msgctxt_len - 1] = '\004'; 213 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 214 translation = dcgettext (domain, msg_ctxt_id, category); 215#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 216 if (msg_ctxt_id != buf) 217 free (msg_ctxt_id); 218#endif 219 if (translation != msg_ctxt_id) 220 return translation; 221 } 222 return msgid; 223} 224 225#define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ 226 dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) 227#define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ 228 dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) 229 230#ifdef __GNUC__ 231__inline 232#else 233#ifdef __cplusplus 234inline 235#endif 236#endif 237static const char * 238dcnpgettext_expr (const char *domain, 239 const char *msgctxt, const char *msgid, 240 const char *msgid_plural, unsigned long int n, 241 int category) 242{ 243 size_t msgctxt_len = strlen (msgctxt) + 1; 244 size_t msgid_len = strlen (msgid) + 1; 245 const char *translation; 246#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 247 char msg_ctxt_id[msgctxt_len + msgid_len]; 248#else 249 char buf[1024]; 250 char *msg_ctxt_id = 251 (msgctxt_len + msgid_len <= sizeof (buf) 252 ? buf 253 : (char *) malloc (msgctxt_len + msgid_len)); 254 if (msg_ctxt_id != NULL) 255#endif 256 { 257 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 258 msg_ctxt_id[msgctxt_len - 1] = '\004'; 259 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 260 translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 261#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 262 if (msg_ctxt_id != buf) 263 free (msg_ctxt_id); 264#endif 265 if (!(translation == msg_ctxt_id || translation == msgid_plural)) 266 return translation; 267 } 268 return (n == 1 ? msgid : msgid_plural); 269} 270 271#endif /* _LIBGETTEXT_H */ 272