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#else 29 30/* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which 31 chokes if dcgettext is defined as a macro. So include it now, to make 32 later inclusions of <locale.h> a NOP. We don't include <libintl.h> 33 as well because people using "gettext.h" will not include <libintl.h>, 34 and also including <libintl.h> would fail on SunOS 4, whereas <locale.h> 35 is OK. */ 36#if defined(__sun) 37# include <locale.h> 38#endif 39 40/* Many header files from the libstdc++ coming with g++ 3.3 or newer include 41 <libintl.h>, which chokes if dcgettext is defined as a macro. So include 42 it now, to make later inclusions of <libintl.h> a NOP. */ 43#if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3) 44# include <cstdlib> 45# if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H 46# include <libintl.h> 47# endif 48#endif 49 50/* Disabled NLS. 51 The casts to 'const char *' serve the purpose of producing warnings 52 for invalid uses of the value returned from these functions. 53 On pre-ANSI systems without 'const', the config.h file is supposed to 54 contain "#define const". */ 55# define gettext(Msgid) ((const char *) (Msgid)) 56# define dgettext(Domainname, Msgid) ((const char *) (Msgid)) 57# define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid)) 58# define ngettext(Msgid1, Msgid2, N) \ 59 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) 60# define dngettext(Domainname, Msgid1, Msgid2, N) \ 61 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) 62# define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ 63 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) 64# define textdomain(Domainname) ((const char *) (Domainname)) 65# define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname)) 66# define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset)) 67 68#endif 69 70/* A pseudo function call that serves as a marker for the automated 71 extraction of messages, but does not call gettext(). The run-time 72 translation is done at a different place in the code. 73 The argument, String, should be a literal string. Concatenated strings 74 and other string expressions won't work. 75 The macro's expansion is not parenthesized, so that it is suitable as 76 initializer for static 'char[]' or 'const char[]' variables. */ 77#define gettext_noop(String) String 78 79/* The separator between msgctxt and msgid in a .mo file. */ 80#define GETTEXT_CONTEXT_GLUE "\004" 81 82/* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a 83 MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be 84 short and rarely need to change. 85 The letter 'p' stands for 'particular' or 'special'. */ 86#define pgettext(Msgctxt, Msgid) \ 87 pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 88#define dpgettext(Domainname, Msgctxt, Msgid) \ 89 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 90#define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ 91 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) 92#define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ 93 npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 94#define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ 95 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 96#define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ 97 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) 98 99#ifdef __GNUC__ 100__inline 101#else 102#ifdef __cplusplus 103inline 104#endif 105#endif 106static const char * 107pgettext_aux (const char *domain, 108 const char *msg_ctxt_id, const char *msgid, 109 int category) 110{ 111 const char *translation = dcgettext (domain, msg_ctxt_id, category); 112 if (translation == msg_ctxt_id) 113 return msgid; 114 else 115 return translation; 116} 117 118#ifdef __GNUC__ 119__inline 120#else 121#ifdef __cplusplus 122inline 123#endif 124#endif 125static const char * 126npgettext_aux (const char *domain, 127 const char *msg_ctxt_id, const char *msgid, 128 const char *msgid_plural, unsigned long int n, 129 int category) 130{ 131 const char *translation = 132 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 133 if (translation == msg_ctxt_id || translation == msgid_plural) 134 return (n == 1 ? msgid : msgid_plural); 135 else 136 return translation; 137} 138 139/* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID 140 can be arbitrary expressions. But for string literals these macros are 141 less efficient than those above. */ 142 143#include <string.h> 144 145#define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ 146 __GNUC__ >= 3 || defined __cplusplus 147 148#define pgettext_expr(Msgctxt, Msgid) \ 149 dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) 150#define dpgettext_expr(Domainname, Msgctxt, Msgid) \ 151 dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) 152 153#ifdef __GNUC__ 154__inline 155#else 156#ifdef __cplusplus 157inline 158#endif 159#endif 160static const char * 161dcpgettext_expr (const char *domain, 162 const char *msgctxt, const char *msgid, 163 int category) 164{ 165 size_t msgctxt_len = strlen (msgctxt) + 1; 166 size_t msgid_len = strlen (msgid) + 1; 167 const char *translation; 168#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 169 char msg_ctxt_id[msgctxt_len + msgid_len]; 170#else 171 char buf[1024]; 172 char *msg_ctxt_id = 173 (msgctxt_len + msgid_len <= sizeof (buf) 174 ? buf 175 : (char *) malloc (msgctxt_len + msgid_len)); 176 if (msg_ctxt_id != NULL) 177#endif 178 { 179 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 180 msg_ctxt_id[msgctxt_len - 1] = '\004'; 181 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 182 translation = dcgettext (domain, msg_ctxt_id, category); 183#if !(_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS) 184 if (msg_ctxt_id != buf) 185 free (msg_ctxt_id); 186#endif 187 if (translation != msg_ctxt_id) 188 return translation; 189 } 190 return msgid; 191} 192 193#define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ 194 dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) 195#define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ 196 dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) 197 198#ifdef __GNUC__ 199__inline 200#else 201#ifdef __cplusplus 202inline 203#endif 204#endif 205static const char * 206dcnpgettext_expr (const char *domain, 207 const char *msgctxt, const char *msgid, 208 const char *msgid_plural, unsigned long int n, 209 int category) 210{ 211 size_t msgctxt_len = strlen (msgctxt) + 1; 212 size_t msgid_len = strlen (msgid) + 1; 213 const char *translation; 214#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 215 char msg_ctxt_id[msgctxt_len + msgid_len]; 216#else 217 char buf[1024]; 218 char *msg_ctxt_id = 219 (msgctxt_len + msgid_len <= sizeof (buf) 220 ? buf 221 : (char *) malloc (msgctxt_len + msgid_len)); 222 if (msg_ctxt_id != NULL) 223#endif 224 { 225 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 226 msg_ctxt_id[msgctxt_len - 1] = '\004'; 227 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 228 translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 229#if !(_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS) 230 if (msg_ctxt_id != buf) 231 free (msg_ctxt_id); 232#endif 233 if (!(translation == msg_ctxt_id || translation == msgid_plural)) 234 return translation; 235 } 236 return (n == 1 ? msgid : msgid_plural); 237} 238 239#endif /* _LIBGETTEXT_H */ 240