prozilla/libprozilla/src/gettext.h

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/* Convenience header for conditional use of GNU <libintl.h>.
Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, 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 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>
/* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by
the gettext() and ngettext() macros. This is an alternative to calling
textdomain(), and is useful for libraries. */
# ifdef DEFAULT_TEXT_DOMAIN
# undef gettext
# define gettext(Msgid) \
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dgettext(DEFAULT_TEXT_DOMAIN, Msgid)
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# undef ngettext
# define ngettext(Msgid1, Msgid2, N) \
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dngettext(DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
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# endif
#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". */
# undef gettext
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# define gettext(Msgid) ((const char *)(Msgid))
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# undef dgettext
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# define dgettext(Domainname, Msgid) ((void)(Domainname), gettext(Msgid))
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# undef dcgettext
# define dcgettext(Domainname, Msgid, Category) \
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((void)(Category), dgettext(Domainname, Msgid))
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# undef ngettext
# define ngettext(Msgid1, Msgid2, N) \
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((N) == 1 \
? ((void)(Msgid2), (const char *)(Msgid1)) \
: ((void)(Msgid1), (const char *)(Msgid2)))
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# undef dngettext
# define dngettext(Domainname, Msgid1, Msgid2, N) \
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((void)(Domainname), ngettext(Msgid1, Msgid2, N))
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# undef dcngettext
# define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
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((void)(Category), dngettext(Domainname, Msgid1, Msgid2, N))
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# undef textdomain
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# define textdomain(Domainname) ((const char *)(Domainname))
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# undef bindtextdomain
# define bindtextdomain(Domainname, Dirname) \
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((void)(Domainname), (const char *)(Dirname))
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# undef bind_textdomain_codeset
# define bind_textdomain_codeset(Domainname, Codeset) \
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((void)(Domainname), (const char *)(Codeset))
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#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'. */
#ifdef DEFAULT_TEXT_DOMAIN
# 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
# define pgettext(Msgctxt, Msgid) \
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pgettext_aux(NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
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#endif
#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
# 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
# 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
#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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#ifdef __GNUC__
__inline
#else
#ifdef __cplusplus
inline
#endif
#endif
static const char *
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pgettext_aux(const char *domain,
const char *msg_ctxt_id, const char *msgid,
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)
return msgid;
else
return translation;
}
#ifdef __GNUC__
__inline
#else
#ifdef __cplusplus
inline
#endif
#endif
static const char *
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npgettext_aux(const char *domain,
const char *msg_ctxt_id, const char *msgid,
const char *msgid_plural, unsigned long int n,
int category)
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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
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 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
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/* || __STDC_VERSION__ >= 199901L */)
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#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
#include <stdlib.h>
#endif
#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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#ifdef __GNUC__
__inline
#else
#ifdef __cplusplus
inline
#endif
#endif
static const char *
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dcpgettext_expr(const char *domain,
const char *msgctxt, const char *msgid,
int category)
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{
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size_t msgctxt_len = strlen(msgctxt) + 1;
size_t msgid_len = strlen(msgid) + 1;
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const char *translation;
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#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
char msg_ctxt_id[msgctxt_len + msgid_len];
#else
char buf[1024];
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)
#endif
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{
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);
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#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
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if (msg_ctxt_id != buf)
free(msg_ctxt_id);
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#endif
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if (translation != msg_ctxt_id)
return translation;
}
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return msgid;
}
#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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#ifdef __GNUC__
__inline
#else
#ifdef __cplusplus
inline
#endif
#endif
static const char *
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dcnpgettext_expr(const char *domain,
const char *msgctxt, const char *msgid,
const char *msgid_plural, unsigned long int n,
int category)
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{
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size_t msgctxt_len = strlen(msgctxt) + 1;
size_t msgid_len = strlen(msgid) + 1;
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const char *translation;
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#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
char msg_ctxt_id[msgctxt_len + msgid_len];
#else
char buf[1024];
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)
#endif
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{
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);
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#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
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if (msg_ctxt_id != buf)
free(msg_ctxt_id);
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#endif
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if (!(translation == msg_ctxt_id || translation == msgid_plural))
return translation;
}
return(n == 1 ? msgid : msgid_plural);
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}
#endif /* _LIBGETTEXT_H */