Edit
thodg/libiconv/srclib/gettext.h
Bruno Haible
- srclib/gettext.h
-
/* Convenience header for conditional use of GNU <libintl.h>. Copyright (C) 1995-1998, 2000-2002, 2004-2006 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _LIBGETTEXT_H #define _LIBGETTEXT_H 1 /* NLS can be disabled through the configure --disable-nls option. */ #if ENABLE_NLS /* Get declarations of GNU message catalog functions. */ # include <libintl.h> #else /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which chokes if dcgettext is defined as a macro. So include it now, to make later inclusions of <locale.h> a NOP. We don't include <libintl.h> as well because people using "gettext.h" will not include <libintl.h>, and also including <libintl.h> would fail on SunOS 4, whereas <locale.h> is OK. */ #if defined(__sun) # include <locale.h> #endif /* Many header files from the libstdc++ coming with g++ 3.3 or newer include <libintl.h>, which chokes if dcgettext is defined as a macro. So include it now, to make later inclusions of <libintl.h> a NOP. */ #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3) # include <cstdlib> # if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H # include <libintl.h> # endif #endif /* Disabled NLS. The casts to 'const char *' serve the purpose of producing warnings for invalid uses of the value returned from these functions. On pre-ANSI systems without 'const', the config.h file is supposed to contain "#define const". */ # define gettext(Msgid) ((const char *) (Msgid)) # define dgettext(Domainname, Msgid) ((const char *) (Msgid)) # define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid)) # define ngettext(Msgid1, Msgid2, N) \ ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) # define dngettext(Domainname, Msgid1, Msgid2, N) \ ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2)) # define textdomain(Domainname) ((const char *) (Domainname)) # define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname)) # define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset)) #endif /* A pseudo function call that serves as a marker for the automated extraction of messages, but does not call gettext(). The run-time translation is done at a different place in the code. The argument, String, should be a literal string. Concatenated strings and other string expressions won't work. The macro's expansion is not parenthesized, so that it is suitable as initializer for static 'char[]' or 'const char[]' variables. */ #define gettext_noop(String) String /* The separator between msgctxt and msgid in a .mo file. */ #define GETTEXT_CONTEXT_GLUE "\004" /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be short and rarely need to change. The letter 'p' stands for 'particular' or 'special'. */ #define pgettext(Msgctxt, Msgid) \ pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) #define dpgettext(Domainname, Msgctxt, Msgid) \ pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) #define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) #ifdef __GNUC__ __inline #else #ifdef __cplusplus inline #endif #endif static const char * pgettext_aux (const char *domain, const char *msg_ctxt_id, const char *msgid, int category) { const char *translation = dcgettext (domain, msg_ctxt_id, category); if (translation == msg_ctxt_id) return msgid; else return translation; } #ifdef __GNUC__ __inline #else #ifdef __cplusplus inline #endif #endif static const char * npgettext_aux (const char *domain, const char *msg_ctxt_id, const char *msgid, const char *msgid_plural, unsigned long int n, int category) { const char *translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); if (translation == msg_ctxt_id || translation == msgid_plural) return (n == 1 ? msgid : msgid_plural); else return translation; } /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID can be arbitrary expressions. But for string literals these macros are less efficient than those above. */ #include <string.h> #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ __GNUC__ >= 3 || defined __cplusplus #define pgettext_expr(Msgctxt, Msgid) \ dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) #define dpgettext_expr(Domainname, Msgctxt, Msgid) \ dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) #ifdef __GNUC__ __inline #else #ifdef __cplusplus inline #endif #endif static const char * dcpgettext_expr (const char *domain, const char *msgctxt, const char *msgid, int category) { size_t msgctxt_len = strlen (msgctxt) + 1; size_t msgid_len = strlen (msgid) + 1; const char *translation; #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS char msg_ctxt_id[msgctxt_len + msgid_len]; #else char buf[1024]; char *msg_ctxt_id = (msgctxt_len + msgid_len <= sizeof (buf) ? buf : (char *) malloc (msgctxt_len + msgid_len)); if (msg_ctxt_id != NULL) #endif { memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); msg_ctxt_id[msgctxt_len - 1] = '\004'; memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); translation = dcgettext (domain, msg_ctxt_id, category); #if !(_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS) if (msg_ctxt_id != buf) free (msg_ctxt_id); #endif if (translation != msg_ctxt_id) return translation; } return msgid; } #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) #ifdef __GNUC__ __inline #else #ifdef __cplusplus inline #endif #endif static const char * dcnpgettext_expr (const char *domain, const char *msgctxt, const char *msgid, const char *msgid_plural, unsigned long int n, int category) { size_t msgctxt_len = strlen (msgctxt) + 1; size_t msgid_len = strlen (msgid) + 1; const char *translation; #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS char msg_ctxt_id[msgctxt_len + msgid_len]; #else char buf[1024]; char *msg_ctxt_id = (msgctxt_len + msgid_len <= sizeof (buf) ? buf : (char *) malloc (msgctxt_len + msgid_len)); if (msg_ctxt_id != NULL) #endif { memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); msg_ctxt_id[msgctxt_len - 1] = '\004'; memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); #if !(_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS) if (msg_ctxt_id != buf) free (msg_ctxt_id); #endif if (!(translation == msg_ctxt_id || translation == msgid_plural)) return translation; } return (n == 1 ? msgid : msgid_plural); } #endif /* _LIBGETTEXT_H */