Drizzled Public API Documentation

gettext.h
1 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3  Convenience header for conditional use of GNU <libintl.h>.
4  Copyright (C) 1995-1998, 2000-2002, 2004-2006 Free Software Foundation, Inc.
5 
6  This program is free software; you can redistribute it and/or modify it
7  under the terms of the GNU General Public License as published
8  by the Free Software Foundation; either version 2, or (at your option)
9  any later version.
10 
11  This program is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  Library General Public License for more details.
15 
16  You should have received a copy of the GNU General Public
17  License along with this program; if not, write to the Free Software
18  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19  USA. */
20 
21 #pragma once
22 
23 /* NLS can be disabled through the configure --disable-nls option. */
24 #if defined(ENABLE_NLS)
25 
26 /* Get declarations of GNU message catalog functions. */
27 # include <libintl.h>
28 
29 /* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by
30  the gettext() and ngettext() macros. This is an alternative to calling
31  textdomain(), and is useful for libraries. */
32 # ifdef DEFAULT_TEXT_DOMAIN
33 # undef gettext
34 # define gettext(Msgid) \
35  dgettext (DEFAULT_TEXT_DOMAIN, Msgid)
36 # undef ngettext
37 # define ngettext(Msgid1, Msgid2, N) \
38  dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
39 # endif
40 
41 #else
42 
43 /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
44  chokes if dcgettext is defined as a macro. So include it now, to make
45  later inclusions of <locale.h> a NOP. We don't include <libintl.h>
46  as well because people using "gettext.h" will not include <libintl.h>,
47  and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
48  is OK. */
49 #if defined(__sun)
50 # include <locale.h>
51 #endif
52 
53 /* Many header files from the libstdc++ coming with g++ 3.3 or newer include
54  <libintl.h>, which chokes if dcgettext is defined as a macro. So include
55  it now, to make later inclusions of <libintl.h> a NOP. */
56 #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
57 # include <cstdlib>
58 # if defined(__GLIBC__)
59 # if (__GLIBC__ >= 2) || defined(_GLIBCXX_HAVE_LIBINTL_H)
60 # include <libintl.h>
61 # endif
62 # endif
63 #endif
64 
65 #ifndef gettext
66 /* Disabled NLS.
67  The casts to 'const char *' serve the purpose of producing warnings
68  for invalid uses of the value returned from these functions.
69  On pre-ANSI systems without 'const', the config.h file is supposed to
70  contain "#define const". */
71 # define gettext(Msgid) ((const char *) (Msgid))
72 # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid))
73 # define dcgettext(Domainname, Msgid, Category) \
74  ((void) (Category), dgettext (Domainname, Msgid))
75 # define ngettext(Msgid1, Msgid2, N) \
76  ((N) == 1 \
77  ? ((void) (Msgid2), (const char *) (Msgid1)) \
78  : ((void) (Msgid1), (const char *) (Msgid2)))
79 # define dngettext(Domainname, Msgid1, Msgid2, N) \
80  ((void) (Domainname), ngettext (Msgid1, Msgid2, N))
81 # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
82  ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N))
83 # define textdomain(Domainname) ((const char *) (Domainname))
84 # define bindtextdomain(Domainname, Dirname) \
85  ((void) (Domainname), (const char *) (Dirname))
86 # define bind_textdomain_codeset(Domainname, Codeset) \
87  ((void) (Domainname), (const char *) (Codeset))
88 
89 #endif
90 #endif
91 /* A pseudo function call that serves as a marker for the automated
92  extraction of messages, but does not call gettext(). The run-time
93  translation is done at a different place in the code.
94  The argument, String, should be a literal string. Concatenated strings
95  and other string expressions won't work.
96  The macro's expansion is not parenthesized, so that it is suitable as
97  initializer for static 'char[]' or 'const char[]' variables. */
98 #define gettext_noop(String) String
99 
100 /* The separator between msgctxt and msgid in a .mo file. */
101 #define GETTEXT_CONTEXT_GLUE "\004"
102 
103 /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
104  MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be
105  short and rarely need to change.
106  The letter 'p' stands for 'particular' or 'special'. */
107 #ifdef DEFAULT_TEXT_DOMAIN
108 # define pgettext(Msgctxt, Msgid) \
109  pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
110 #else
111 # define pgettext(Msgctxt, Msgid) \
112  pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
113 #endif
114 #define dpgettext(Domainname, Msgctxt, Msgid) \
115  pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
116 #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
117  pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
118 #ifdef DEFAULT_TEXT_DOMAIN
119 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
120  npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
121 #else
122 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
123  npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
124 #endif
125 #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
126  npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
127 #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
128  npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
129 
130 #ifdef __GNUC__
131 __inline
132 #else
133 #ifdef __cplusplus
134 inline
135 #endif
136 #endif
137 static const char *
138 pgettext_aux (const char *domain,
139  const char *msg_ctxt_id, const char *msgid,
140  int category)
141 {
142  const char *translation = dcgettext (domain, msg_ctxt_id, category);
143  if (translation == msg_ctxt_id)
144  return msgid;
145  else
146  return translation;
147 }
148 
149 #ifdef __GNUC__
150 __inline
151 #else
152 #ifdef __cplusplus
153 inline
154 #endif
155 #endif
156 static const char *
157 npgettext_aux (const char *domain,
158  const char *msg_ctxt_id, const char *msgid,
159  const char *msgid_plural, unsigned long int n,
160  int category)
161 {
162  const char *translation =
163  dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
164  if (translation == msg_ctxt_id || translation == msgid_plural)
165  return (n == 1 ? msgid : msgid_plural);
166  else
167  return translation;
168 }
169 
170 /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID
171  can be arbitrary expressions. But for string literals these macros are
172  less efficient than those above. */
173 
174 #include <string.h>
175 
176 /* We need to turn these off explicitly for drizzle */
177 #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 0
178 
179 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
180 #include <stdlib.h>
181 #endif
182 
183 #define pgettext_expr(Msgctxt, Msgid) \
184  dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
185 #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
186  dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
187 
188 #ifdef __GNUC__
189 __inline
190 #else
191 #ifdef __cplusplus
192 inline
193 #endif
194 #endif
195 static const char *
196 dcpgettext_expr (const char *domain,
197  const char *msgctxt, const char *msgid,
198  int category)
199 {
200  size_t msgctxt_len = strlen (msgctxt) + 1;
201  size_t msgid_len = strlen (msgid) + 1;
202  const char *translation;
203 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
204  char msg_ctxt_id[msgctxt_len + msgid_len];
205 #else
206  char buf[1024];
207  char *msg_ctxt_id =
208  (msgctxt_len + msgid_len <= sizeof (buf)
209  ? buf
210  : (char *) malloc (msgctxt_len + msgid_len));
211  if (msg_ctxt_id != NULL)
212 #endif
213  {
214  memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
215  msg_ctxt_id[msgctxt_len - 1] = '\004';
216  memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
217  translation = dcgettext (domain, msg_ctxt_id, category);
218 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
219  if (msg_ctxt_id != buf)
220  free (msg_ctxt_id);
221 #endif
222  if (translation != msg_ctxt_id)
223  return translation;
224  }
225  return msgid;
226 }
227 
228 #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
229  dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
230 #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
231  dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
232 
233 #ifdef __GNUC__
234 __inline
235 #else
236 #ifdef __cplusplus
237 inline
238 #endif
239 #endif
240 static const char *
241 dcnpgettext_expr (const char *domain,
242  const char *msgctxt, const char *msgid,
243  const char *msgid_plural, unsigned long int n,
244  int category)
245 {
246  size_t msgctxt_len = strlen (msgctxt) + 1;
247  size_t msgid_len = strlen (msgid) + 1;
248  const char *translation;
249 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
250  char msg_ctxt_id[msgctxt_len + msgid_len];
251 #else
252  char buf[1024];
253  char *msg_ctxt_id =
254  (msgctxt_len + msgid_len <= sizeof (buf)
255  ? buf
256  : (char *) malloc (msgctxt_len + msgid_len));
257  if (msg_ctxt_id != NULL)
258 #endif
259  {
260  memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
261  msg_ctxt_id[msgctxt_len - 1] = '\004';
262  memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
263  translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
264 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
265  if (msg_ctxt_id != buf)
266  free (msg_ctxt_id);
267 #endif
268  if (!(translation == msg_ctxt_id || translation == msgid_plural))
269  return translation;
270  }
271  return (n == 1 ? msgid : msgid_plural);
272 }
273 
274 #define _(String) gettext(String)
275 #define N_(String) gettext_noop(String)