1 | /* Copyright (C) 1995-2019 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gnu.org>, 1995. |
4 | |
5 | This program is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published |
7 | by the Free Software Foundation; version 2 of the License, or |
8 | (at your option) any later version. |
9 | |
10 | This program 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 |
13 | GNU General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU General Public License |
16 | along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
17 | |
18 | #ifdef HAVE_CONFIG_H |
19 | # include <config.h> |
20 | #endif |
21 | |
22 | #include <langinfo.h> |
23 | #include <string.h> |
24 | #include <stdint.h> |
25 | #include <sys/uio.h> |
26 | |
27 | #include <assert.h> |
28 | |
29 | #include "localedef.h" |
30 | #include "linereader.h" |
31 | #include "localeinfo.h" |
32 | #include "locfile.h" |
33 | |
34 | |
35 | /* The real definition of the struct for the LC_NUMERIC locale. */ |
36 | struct locale_numeric_t |
37 | { |
38 | const char *decimal_point; |
39 | const char *thousands_sep; |
40 | char *grouping; |
41 | size_t grouping_len; |
42 | uint32_t decimal_point_wc; |
43 | uint32_t thousands_sep_wc; |
44 | }; |
45 | |
46 | |
47 | static void |
48 | numeric_startup (struct linereader *lr, struct localedef_t *locale, |
49 | int ignore_content) |
50 | { |
51 | if (!ignore_content) |
52 | { |
53 | locale->categories[LC_NUMERIC].numeric = |
54 | (struct locale_numeric_t *) xcalloc (1, |
55 | sizeof (struct locale_numeric_t)); |
56 | } |
57 | |
58 | if (lr != NULL) |
59 | { |
60 | lr->translate_strings = 1; |
61 | lr->return_widestr = 0; |
62 | } |
63 | } |
64 | |
65 | |
66 | void |
67 | numeric_finish (struct localedef_t *locale, const struct charmap_t *charmap) |
68 | { |
69 | struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric; |
70 | int nothing = 0; |
71 | |
72 | /* Now resolve copying and also handle completely missing definitions. */ |
73 | if (numeric == NULL) |
74 | { |
75 | /* First see whether we were supposed to copy. If yes, find the |
76 | actual definition. */ |
77 | if (locale->copy_name[LC_NUMERIC] != 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_NUMERIC, from->copy_name[LC_NUMERIC], |
85 | from->repertoire_name, charmap); |
86 | while (from->categories[LC_NUMERIC].numeric == NULL |
87 | && from->copy_name[LC_NUMERIC] != NULL); |
88 | |
89 | numeric = locale->categories[LC_NUMERIC].numeric |
90 | = from->categories[LC_NUMERIC].numeric; |
91 | } |
92 | |
93 | /* If there is still no definition issue an warning and create an |
94 | empty one. */ |
95 | if (numeric == NULL) |
96 | { |
97 | record_warning (_("\ |
98 | No definition for %s category found" ), "LC_NUMERIC" ); |
99 | numeric_startup (NULL, locale, 0); |
100 | numeric = locale->categories[LC_NUMERIC].numeric; |
101 | nothing = 1; |
102 | } |
103 | } |
104 | |
105 | /* The decimal point must not be empty. This is not said explicitly |
106 | in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be |
107 | != "". */ |
108 | if (numeric->decimal_point == NULL) |
109 | { |
110 | if (! nothing) |
111 | record_error (0, 0, _("%s: field `%s' not defined" ), |
112 | "LC_NUMERIC" , "decimal_point" ); |
113 | numeric->decimal_point = "." ; |
114 | } |
115 | else if (numeric->decimal_point[0] == '\0' && ! nothing) |
116 | { |
117 | record_error (0, 0, _("\ |
118 | %s: value for field `%s' must not be an empty string" ), |
119 | "LC_NUMERIC" , "decimal_point" ); |
120 | } |
121 | if (numeric->decimal_point_wc == L'\0') |
122 | numeric->decimal_point_wc = L'.'; |
123 | |
124 | if (numeric->grouping_len == 0 && ! nothing) |
125 | record_error (0, 0, _("%s: field `%s' not defined" ), |
126 | "LC_NUMERIC" , "grouping" ); |
127 | } |
128 | |
129 | |
130 | void |
131 | numeric_output (struct localedef_t *locale, const struct charmap_t *charmap, |
132 | const char *output_path) |
133 | { |
134 | struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric; |
135 | struct locale_file file; |
136 | |
137 | init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)); |
138 | add_locale_string (&file, numeric->decimal_point ?: "" ); |
139 | add_locale_string (&file, numeric->thousands_sep ?: "" ); |
140 | add_locale_raw_data (&file, numeric->grouping, numeric->grouping_len); |
141 | add_locale_uint32 (&file, numeric->decimal_point_wc); |
142 | add_locale_uint32 (&file, numeric->thousands_sep_wc); |
143 | add_locale_string (&file, charmap->code_set_name); |
144 | write_locale_data (output_path, LC_NUMERIC, "LC_NUMERIC" , &file); |
145 | } |
146 | |
147 | |
148 | /* The parser for the LC_NUMERIC section of the locale definition. */ |
149 | void |
150 | numeric_read (struct linereader *ldfile, struct localedef_t *result, |
151 | const struct charmap_t *charmap, const char *repertoire_name, |
152 | int ignore_content) |
153 | { |
154 | struct repertoire_t *repertoire = NULL; |
155 | struct locale_numeric_t *numeric; |
156 | struct token *now; |
157 | enum token_t nowtok; |
158 | |
159 | /* Get the repertoire we have to use. */ |
160 | if (repertoire_name != NULL) |
161 | repertoire = repertoire_read (repertoire_name); |
162 | |
163 | /* The rest of the line containing `LC_NUMERIC' must be free. */ |
164 | lr_ignore_rest (ldfile, 1); |
165 | |
166 | |
167 | do |
168 | { |
169 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
170 | nowtok = now->tok; |
171 | } |
172 | while (nowtok == tok_eol); |
173 | |
174 | /* If we see `copy' now we are almost done. */ |
175 | if (nowtok == tok_copy) |
176 | { |
177 | handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_numeric, |
178 | LC_NUMERIC, "LC_NUMERIC" , ignore_content); |
179 | return; |
180 | } |
181 | |
182 | /* Prepare the data structures. */ |
183 | numeric_startup (ldfile, result, ignore_content); |
184 | numeric = result->categories[LC_NUMERIC].numeric; |
185 | |
186 | while (1) |
187 | { |
188 | /* Of course we don't proceed beyond the end of file. */ |
189 | if (nowtok == tok_eof) |
190 | break; |
191 | |
192 | /* Ingore empty lines. */ |
193 | if (nowtok == tok_eol) |
194 | { |
195 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
196 | nowtok = now->tok; |
197 | continue; |
198 | } |
199 | |
200 | switch (nowtok) |
201 | { |
202 | #define STR_ELEM(cat) \ |
203 | case tok_##cat: \ |
204 | /* Ignore the rest of the line if we don't need the input of \ |
205 | this line. */ \ |
206 | if (ignore_content) \ |
207 | { \ |
208 | lr_ignore_rest (ldfile, 0); \ |
209 | break; \ |
210 | } \ |
211 | \ |
212 | ldfile->return_widestr = 1; \ |
213 | now = lr_token (ldfile, charmap, result, repertoire, verbose); \ |
214 | if (now->tok != tok_string) \ |
215 | goto err_label; \ |
216 | if (numeric->cat != NULL) \ |
217 | lr_error (ldfile, _("\ |
218 | %s: field `%s' declared more than once"), "LC_NUMERIC", #cat); \ |
219 | else if (!ignore_content && now->val.str.startmb == NULL) \ |
220 | { \ |
221 | lr_error (ldfile, _("\ |
222 | %s: unknown character in field `%s'"), "LC_NUMERIC", #cat); \ |
223 | numeric->cat = ""; \ |
224 | numeric->cat##_wc = L'\0'; \ |
225 | } \ |
226 | else if (now->val.str.startwc != NULL && now->val.str.lenwc > 2) \ |
227 | { \ |
228 | lr_error (ldfile, _("\ |
229 | %s: value for field `%s' must be a single character"), "LC_NUMERIC", #cat); \ |
230 | } \ |
231 | else if (!ignore_content) \ |
232 | { \ |
233 | numeric->cat = now->val.str.startmb; \ |
234 | \ |
235 | if (now->val.str.startwc != NULL) \ |
236 | numeric->cat##_wc = *now->val.str.startwc; \ |
237 | } \ |
238 | ldfile->return_widestr = 0; \ |
239 | break |
240 | |
241 | STR_ELEM (decimal_point); |
242 | STR_ELEM (thousands_sep); |
243 | |
244 | case tok_grouping: |
245 | /* Ignore the rest of the line if we don't need the input of |
246 | this line. */ |
247 | if (ignore_content) |
248 | { |
249 | lr_ignore_rest (ldfile, 0); |
250 | break; |
251 | } |
252 | |
253 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
254 | if (now->tok != tok_minus1 && now->tok != tok_number) |
255 | goto err_label; |
256 | else |
257 | { |
258 | size_t act = 0; |
259 | size_t max = 10; |
260 | char *grouping = xmalloc (max); |
261 | |
262 | do |
263 | { |
264 | if (act + 1 >= max) |
265 | { |
266 | max *= 2; |
267 | grouping = xrealloc (grouping, max); |
268 | } |
269 | |
270 | if (act > 0 && grouping[act - 1] == '\177') |
271 | { |
272 | lr_error (ldfile, _("\ |
273 | %s: `-1' must be last entry in `%s' field" ), "LC_NUMERIC" , "grouping" ); |
274 | lr_ignore_rest (ldfile, 0); |
275 | break; |
276 | } |
277 | |
278 | if (now->tok == tok_minus1) |
279 | grouping[act++] = '\177'; |
280 | else if (now->val.num == 0) |
281 | { |
282 | /* A value of 0 disables grouping from here on but |
283 | we must not store a NUL character since this |
284 | terminates the string. Use something different |
285 | which must not be used otherwise. */ |
286 | grouping[act++] = '\377'; |
287 | } |
288 | else if (now->val.num > 126) |
289 | lr_error (ldfile, _("\ |
290 | %s: values for field `%s' must be smaller than 127" ), |
291 | "LC_NUMERIC" , "grouping" ); |
292 | else |
293 | grouping[act++] = now->val.num; |
294 | |
295 | /* Next must be semicolon. */ |
296 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
297 | if (now->tok != tok_semicolon) |
298 | break; |
299 | |
300 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
301 | } |
302 | while (now->tok == tok_minus1 || now->tok == tok_number); |
303 | |
304 | if (now->tok != tok_eol) |
305 | goto err_label; |
306 | |
307 | /* A single -1 means no grouping. */ |
308 | if (act == 1 && grouping[0] == '\177') |
309 | act--; |
310 | grouping[act++] = '\0'; |
311 | |
312 | numeric->grouping = xrealloc (grouping, act); |
313 | numeric->grouping_len = act; |
314 | } |
315 | break; |
316 | |
317 | case tok_end: |
318 | /* Next we assume `LC_NUMERIC'. */ |
319 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
320 | if (now->tok == tok_eof) |
321 | break; |
322 | if (now->tok == tok_eol) |
323 | lr_error (ldfile, _("%s: incomplete `END' line" ), "LC_NUMERIC" ); |
324 | else if (now->tok != tok_lc_numeric) |
325 | lr_error (ldfile, _("\ |
326 | %1$s: definition does not end with `END %1$s'" ), "LC_NUMERIC" ); |
327 | lr_ignore_rest (ldfile, now->tok == tok_lc_numeric); |
328 | return; |
329 | |
330 | default: |
331 | err_label: |
332 | SYNTAX_ERROR (_("%s: syntax error" ), "LC_NUMERIC" ); |
333 | } |
334 | |
335 | /* Prepare for the next round. */ |
336 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
337 | nowtok = now->tok; |
338 | } |
339 | |
340 | /* When we come here we reached the end of the file. */ |
341 | lr_error (ldfile, _("%s: premature end of file" ), "LC_NUMERIC" ); |
342 | } |
343 | |