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4b10dd6c | 1 | /* Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. |
c84142e8 | 2 | This file is part of the GNU C Library. |
4b10dd6c | 3 | Contributed by Ulrich Drepper <drepper@gnu.org>, 1995. |
19bc17a9 | 4 | |
c84142e8 UD |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | License, or (at your option) any later version. | |
19bc17a9 | 9 | |
c84142e8 UD |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Library General Public License for more details. | |
19bc17a9 | 14 | |
c84142e8 UD |
15 | You should have received a copy of the GNU Library General Public |
16 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
17 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | Boston, MA 02111-1307, USA. */ | |
19bc17a9 RM |
19 | |
20 | #ifdef HAVE_CONFIG_H | |
21 | # include <config.h> | |
22 | #endif | |
23 | ||
19bc17a9 | 24 | #include <langinfo.h> |
4b10dd6c UD |
25 | #include <sys/types.h> |
26 | #include <regex.h> | |
19bc17a9 RM |
27 | #include <string.h> |
28 | #include <sys/uio.h> | |
29 | ||
19bc17a9 RM |
30 | #include <assert.h> |
31 | ||
4b10dd6c UD |
32 | #include "linereader.h" |
33 | #include "localedef.h" | |
19bc17a9 | 34 | #include "localeinfo.h" |
4b10dd6c | 35 | #include "locfile.h" |
19bc17a9 RM |
36 | |
37 | ||
38 | /* The real definition of the struct for the LC_MESSAGES locale. */ | |
39 | struct locale_messages_t | |
40 | { | |
41 | const char *yesexpr; | |
42 | const char *noexpr; | |
43 | const char *yesstr; | |
44 | const char *nostr; | |
45 | }; | |
46 | ||
47 | ||
4b10dd6c | 48 | static void |
19bc17a9 | 49 | messages_startup (struct linereader *lr, struct localedef_t *locale, |
4b10dd6c | 50 | int ignore_content) |
19bc17a9 | 51 | { |
4b10dd6c UD |
52 | if (!ignore_content) |
53 | locale->categories[LC_MESSAGES].messages = | |
54 | (struct locale_messages_t *) xcalloc (1, | |
55 | sizeof (struct locale_messages_t)); | |
19bc17a9 | 56 | |
b9eb05d6 UD |
57 | if (lr != NULL) |
58 | { | |
59 | lr->translate_strings = 1; | |
60 | lr->return_widestr = 0; | |
61 | } | |
19bc17a9 RM |
62 | } |
63 | ||
64 | ||
65 | void | |
4b10dd6c | 66 | messages_finish (struct localedef_t *locale, struct charmap_t *charmap) |
19bc17a9 RM |
67 | { |
68 | struct locale_messages_t *messages | |
69 | = locale->categories[LC_MESSAGES].messages; | |
b9eb05d6 UD |
70 | int nothing = 0; |
71 | ||
72 | /* Now resolve copying and also handle completely missing definitions. */ | |
73 | if (messages == NULL) | |
74 | { | |
75 | /* First see whether we were supposed to copy. If yes, find the | |
76 | actual definition. */ | |
77 | if (locale->copy_name[LC_MESSAGES] != NULL) | |
78 | { | |
79 | /* Find the copying locale. This has to happen transitively since | |
80 | the locale we are copying from might also copying another one. */ | |
81 | struct localedef_t *from = locale; | |
82 | ||
83 | do | |
84 | from = find_locale (LC_MESSAGES, from->copy_name[LC_MESSAGES], | |
85 | from->repertoire_name, charmap); | |
86 | while (from->categories[LC_MESSAGES].messages == NULL | |
87 | && from->copy_name[LC_MESSAGES] != NULL); | |
88 | ||
89 | messages = locale->categories[LC_MESSAGES].messages | |
90 | = from->categories[LC_MESSAGES].messages; | |
91 | } | |
92 | ||
93 | /* If there is still no definition issue an warning and create an | |
94 | empty one. */ | |
95 | if (messages == NULL) | |
96 | { | |
f6ada7ad UD |
97 | if (! be_quiet) |
98 | error (0, 0, _("No definition for %s category found"), | |
99 | "LC_MESSAGES"); | |
b9eb05d6 UD |
100 | messages_startup (NULL, locale, 0); |
101 | messages = locale->categories[LC_MESSAGES].messages; | |
102 | nothing = 1; | |
103 | } | |
104 | } | |
19bc17a9 RM |
105 | |
106 | /* The fields YESSTR and NOSTR are optional. */ | |
4b10dd6c UD |
107 | if (messages->yesstr == NULL) |
108 | messages->yesstr = ""; | |
109 | if (messages->nostr == NULL) | |
110 | messages->nostr = ""; | |
111 | ||
880f421f UD |
112 | if (messages->yesexpr == NULL) |
113 | { | |
b9eb05d6 | 114 | if (! be_quiet && ! nothing) |
4b10dd6c UD |
115 | error (0, 0, _("%s: field `%s' undefined"), "LC_MESSAGES", "yesexpr"); |
116 | messages->yesexpr = ""; | |
117 | } | |
118 | else if (messages->yesexpr[0] == '\0') | |
119 | { | |
120 | if (!be_quiet) | |
121 | error (0, 0, _("\ | |
122 | %s: value for field `%s' must not be an empty string"), | |
123 | "LC_MESSAGES", "yesexpr"); | |
880f421f | 124 | } |
19bc17a9 RM |
125 | else |
126 | { | |
127 | int result; | |
128 | regex_t re; | |
129 | ||
4b10dd6c | 130 | /* Test whether it are correct regular expressions. */ |
19bc17a9 | 131 | result = regcomp (&re, messages->yesexpr, REG_EXTENDED); |
c84142e8 | 132 | if (result != 0 && !be_quiet) |
19bc17a9 RM |
133 | { |
134 | char errbuf[BUFSIZ]; | |
135 | ||
136 | (void) regerror (result, &re, errbuf, BUFSIZ); | |
137 | error (0, 0, _("\ | |
4b10dd6c UD |
138 | %s: no correct regular expression for field `%s': %s"), |
139 | "LC_MESSAGES", "yesexpr", errbuf); | |
19bc17a9 | 140 | } |
4b10dd6c UD |
141 | else if (result != 0) |
142 | regfree (&re); | |
19bc17a9 RM |
143 | } |
144 | ||
880f421f UD |
145 | if (messages->noexpr == NULL) |
146 | { | |
b9eb05d6 | 147 | if (! be_quiet && ! nothing) |
4b10dd6c UD |
148 | error (0, 0, _("%s: field `%s' undefined"), "LC_MESSAGES", "noexpr"); |
149 | messages->noexpr = ""; | |
150 | } | |
151 | else if (messages->noexpr[0] == '\0') | |
152 | { | |
153 | if (!be_quiet) | |
154 | error (0, 0, _("\ | |
155 | %s: value for field `%s' must not be an empty string"), | |
156 | "LC_MESSAGES", "noexpr"); | |
880f421f | 157 | } |
19bc17a9 RM |
158 | else |
159 | { | |
160 | int result; | |
161 | regex_t re; | |
162 | ||
4b10dd6c | 163 | /* Test whether it are correct regular expressions. */ |
19bc17a9 | 164 | result = regcomp (&re, messages->noexpr, REG_EXTENDED); |
c84142e8 | 165 | if (result != 0 && !be_quiet) |
19bc17a9 RM |
166 | { |
167 | char errbuf[BUFSIZ]; | |
168 | ||
169 | (void) regerror (result, &re, errbuf, BUFSIZ); | |
170 | error (0, 0, _("\ | |
4b10dd6c UD |
171 | %s: no correct regular expression for field `%s': %s"), |
172 | "LC_MESSAGES", "noexpr", errbuf); | |
19bc17a9 | 173 | } |
4b10dd6c UD |
174 | else if (result != 0) |
175 | regfree (&re); | |
19bc17a9 RM |
176 | } |
177 | } | |
178 | ||
179 | ||
180 | void | |
4b10dd6c UD |
181 | messages_output (struct localedef_t *locale, struct charmap_t *charmap, |
182 | const char *output_path) | |
19bc17a9 RM |
183 | { |
184 | struct locale_messages_t *messages | |
185 | = locale->categories[LC_MESSAGES].messages; | |
186 | struct iovec iov[2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)]; | |
187 | struct locale_file data; | |
4b10dd6c | 188 | uint32_t idx[_NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)]; |
19bc17a9 RM |
189 | size_t cnt = 0; |
190 | ||
19bc17a9 RM |
191 | data.magic = LIMAGIC (LC_MESSAGES); |
192 | data.n = _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES); | |
193 | iov[cnt].iov_base = (void *) &data; | |
194 | iov[cnt].iov_len = sizeof (data); | |
195 | ++cnt; | |
196 | ||
197 | iov[cnt].iov_base = (void *) idx; | |
198 | iov[cnt].iov_len = sizeof (idx); | |
199 | ++cnt; | |
200 | ||
201 | idx[cnt - 2] = iov[0].iov_len + iov[1].iov_len; | |
4b10dd6c | 202 | iov[cnt].iov_base = (char *) messages->yesexpr; |
19bc17a9 RM |
203 | iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1; |
204 | ++cnt; | |
205 | ||
206 | idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len; | |
4b10dd6c | 207 | iov[cnt].iov_base = (char *) messages->noexpr; |
19bc17a9 RM |
208 | iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1; |
209 | ++cnt; | |
210 | ||
211 | idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len; | |
4b10dd6c | 212 | iov[cnt].iov_base = (char *) messages->yesstr; |
19bc17a9 RM |
213 | iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1; |
214 | ++cnt; | |
215 | ||
216 | idx[cnt - 2] = idx[cnt - 3] + iov[cnt - 1].iov_len; | |
4b10dd6c | 217 | iov[cnt].iov_base = (char *) messages->nostr; |
19bc17a9 RM |
218 | iov[cnt].iov_len = strlen (iov[cnt].iov_base) + 1; |
219 | ||
220 | assert (cnt + 1 == 2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)); | |
221 | ||
222 | write_locale_data (output_path, "LC_MESSAGES", | |
223 | 2 + _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES), iov); | |
224 | } | |
225 | ||
226 | ||
4b10dd6c | 227 | /* The parser for the LC_MESSAGES section of the locale definition. */ |
19bc17a9 | 228 | void |
4b10dd6c UD |
229 | messages_read (struct linereader *ldfile, struct localedef_t *result, |
230 | struct charmap_t *charmap, const char *repertoire_name, | |
231 | int ignore_content) | |
19bc17a9 | 232 | { |
4b10dd6c UD |
233 | struct repertoire_t *repertoire = NULL; |
234 | struct locale_messages_t *messages; | |
235 | struct token *now; | |
236 | enum token_t nowtok; | |
237 | ||
238 | /* Get the repertoire we have to use. */ | |
239 | if (repertoire_name != NULL) | |
240 | repertoire = repertoire_read (repertoire_name); | |
19bc17a9 | 241 | |
4b10dd6c UD |
242 | /* The rest of the line containing `LC_MESSAGES' must be free. */ |
243 | lr_ignore_rest (ldfile, 1); | |
244 | ||
245 | ||
246 | do | |
19bc17a9 | 247 | { |
4b10dd6c UD |
248 | now = lr_token (ldfile, charmap, NULL); |
249 | nowtok = now->tok; | |
250 | } | |
251 | while (nowtok == tok_eol); | |
19bc17a9 | 252 | |
4b10dd6c UD |
253 | /* If we see `copy' now we are almost done. */ |
254 | if (nowtok == tok_copy) | |
255 | { | |
b9eb05d6 UD |
256 | handle_copy (ldfile, charmap, repertoire, result, tok_lc_messages, |
257 | LC_MESSAGES, "LC_MESSAGES", ignore_content); | |
4b10dd6c UD |
258 | return; |
259 | } | |
19bc17a9 | 260 | |
4b10dd6c UD |
261 | /* Prepare the data structures. */ |
262 | messages_startup (ldfile, result, ignore_content); | |
263 | messages = result->categories[LC_MESSAGES].messages; | |
264 | ||
265 | while (1) | |
266 | { | |
267 | struct token *arg; | |
268 | ||
269 | /* Of course we don't proceed beyond the end of file. */ | |
270 | if (nowtok == tok_eof) | |
271 | break; | |
272 | ||
42d7c593 | 273 | /* Ignore empty lines. */ |
4b10dd6c | 274 | if (nowtok == tok_eol) |
19bc17a9 | 275 | { |
4b10dd6c UD |
276 | now = lr_token (ldfile, charmap, NULL); |
277 | nowtok = now->tok; | |
278 | continue; | |
19bc17a9 | 279 | } |
19bc17a9 | 280 | |
4b10dd6c | 281 | switch (nowtok) |
19bc17a9 | 282 | { |
4b10dd6c UD |
283 | #define STR_ELEM(cat) \ |
284 | case tok_##cat: \ | |
b9eb05d6 UD |
285 | /* Ignore the rest of the line if we don't need the input of \ |
286 | this line. */ \ | |
287 | if (ignore_content) \ | |
288 | { \ | |
289 | lr_ignore_rest (ldfile, 0); \ | |
290 | break; \ | |
291 | } \ | |
292 | \ | |
4b10dd6c UD |
293 | if (messages->cat != NULL) \ |
294 | { \ | |
295 | lr_error (ldfile, _("\ | |
296 | %s: field `%s' declared more than once"), "LC_MESSAGES", #cat); \ | |
297 | lr_ignore_rest (ldfile, 0); \ | |
298 | break; \ | |
299 | } \ | |
300 | now = lr_token (ldfile, charmap, repertoire); \ | |
301 | if (now->tok != tok_string) \ | |
302 | goto syntax_error; \ | |
303 | else if (!ignore_content && now->val.str.startmb == NULL) \ | |
304 | { \ | |
305 | lr_error (ldfile, _("\ | |
306 | %s: unknown character in field `%s'"), "LC_MESSAGES", #cat); \ | |
307 | messages->cat = ""; \ | |
308 | } \ | |
309 | else if (!ignore_content) \ | |
310 | messages->cat = now->val.str.startmb; \ | |
311 | break | |
312 | ||
313 | STR_ELEM (yesexpr); | |
314 | STR_ELEM (noexpr); | |
315 | STR_ELEM (yesstr); | |
316 | STR_ELEM (nostr); | |
317 | ||
318 | case tok_end: | |
319 | /* Next we assume `LC_MESSAGES'. */ | |
320 | arg = lr_token (ldfile, charmap, NULL); | |
321 | if (arg->tok == tok_eof) | |
322 | break; | |
323 | if (arg->tok == tok_eol) | |
324 | lr_error (ldfile, _("%s: incomplete `END' line"), "LC_MESSAGES"); | |
325 | else if (arg->tok != tok_lc_messages) | |
326 | lr_error (ldfile, _("\ | |
327 | %1$s: definition does not end with `END %1$s'"), "LC_MESSAGES"); | |
328 | lr_ignore_rest (ldfile, arg->tok == tok_lc_messages); | |
329 | return; | |
330 | ||
331 | default: | |
332 | syntax_error: | |
333 | SYNTAX_ERROR (_("%s: syntax error"), "LC_MESSAGES"); | |
19bc17a9 | 334 | } |
19bc17a9 | 335 | |
4b10dd6c UD |
336 | /* Prepare for the next round. */ |
337 | now = lr_token (ldfile, charmap, NULL); | |
338 | nowtok = now->tok; | |
19bc17a9 | 339 | } |
4b10dd6c UD |
340 | |
341 | /* When we come here we reached the end of the file. */ | |
342 | lr_error (ldfile, _("%s: premature end of file"), "LC_MESSAGES"); | |
19bc17a9 | 343 | } |