COIN-OR::LEMON - Graph Library

source: glemon/gettext.h @ 5:390d05b2d25c

Last change on this file since 5:390d05b2d25c was 5:390d05b2d25c, checked in by Akos Ladanyi <ladanyi@…>, 11 years ago

Upgrade gettext infrastructure.

File size: 9.3 KB
Line 
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 */
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