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