1/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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 <https://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 "localeinfo.h"
31#include "locfile.h"
32
33
34/* The real definition of the struct for the LC_NAME locale. */
35struct locale_name_t
36{
37 const char *name_fmt;
38 const char *name_gen;
39 const char *name_mr;
40 const char *name_mrs;
41 const char *name_miss;
42 const char *name_ms;
43};
44
45
46static void
47name_startup (struct linereader *lr, struct localedef_t *locale,
48 int ignore_content)
49{
50 if (!ignore_content)
51 locale->categories[LC_NAME].name =
52 (struct locale_name_t *) xcalloc (1, sizeof (struct locale_name_t));
53
54 if (lr != NULL)
55 {
56 lr->translate_strings = 1;
57 lr->return_widestr = 0;
58 }
59}
60
61
62void
63name_finish (struct localedef_t *locale, const struct charmap_t *charmap)
64{
65 struct locale_name_t *name = locale->categories[LC_NAME].name;
66 int nothing = 0;
67
68 /* Now resolve copying and also handle completely missing definitions. */
69 if (name == NULL)
70 {
71 /* First see whether we were supposed to copy. If yes, find the
72 actual definition. */
73 if (locale->copy_name[LC_NAME] != NULL)
74 {
75 /* Find the copying locale. This has to happen transitively since
76 the locale we are copying from might also copying another one. */
77 struct localedef_t *from = locale;
78
79 do
80 from = find_locale (LC_NAME, from->copy_name[LC_NAME],
81 from->repertoire_name, charmap);
82 while (from->categories[LC_NAME].name == NULL
83 && from->copy_name[LC_NAME] != NULL);
84
85 name = locale->categories[LC_NAME].name
86 = from->categories[LC_NAME].name;
87 }
88
89 /* If there is still no definition issue an warning and create an
90 empty one. */
91 if (name == NULL)
92 {
93 record_warning (_("\
94No definition for %s category found"), "LC_NAME");
95 name_startup (NULL, locale, 0);
96 name = locale->categories[LC_NAME].name;
97 nothing = 1;
98 }
99 }
100
101 if (name->name_fmt == NULL)
102 {
103 if (! nothing)
104 record_error (0, 0, _("%s: field `%s' not defined"),
105 "LC_NAME", "name_fmt");
106 /* Use as the default value the value of the i18n locale. */
107 name->name_fmt = "%p%t%g%t%m%t%f";
108 }
109 else
110 {
111 /* We must check whether the format string contains only the
112 allowed escape sequences. */
113 const char *cp = name->name_fmt;
114
115 if (*cp == '\0')
116 record_error (0, 0, _("%s: field `%s' must not be empty"),
117 "LC_NAME", "name_fmt");
118 else
119 while (*cp != '\0')
120 {
121 if (*cp == '%')
122 {
123 if (*++cp == 'R')
124 /* Romanize-flag. */
125 ++cp;
126 if (strchr ("dfFgGlomMpsSt", *cp) == NULL)
127 {
128 record_error (0, 0, _("\
129%s: invalid escape sequence in field `%s'"), "LC_NAME", "name_fmt");
130 break;
131 }
132 }
133 ++cp;
134 }
135 }
136
137#define TEST_ELEM(cat) \
138 if (name->cat == NULL) \
139 { \
140 if (verbose && ! nothing) \
141 record_warning (_("%s: field `%s' not defined"), "LC_NAME", #cat); \
142 name->cat = ""; \
143 }
144
145 TEST_ELEM (name_gen);
146 TEST_ELEM (name_mr);
147 TEST_ELEM (name_mrs);
148 TEST_ELEM (name_miss);
149 TEST_ELEM (name_ms);
150}
151
152
153void
154name_output (struct localedef_t *locale, const struct charmap_t *charmap,
155 const char *output_path)
156{
157 struct locale_name_t *name = locale->categories[LC_NAME].name;
158 struct locale_file file;
159
160 init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_NAME));
161 add_locale_string (&file, name->name_fmt);
162 add_locale_string (&file, name->name_gen);
163 add_locale_string (&file, name->name_mr);
164 add_locale_string (&file, name->name_mrs);
165 add_locale_string (&file, name->name_miss);
166 add_locale_string (&file, name->name_ms);
167 add_locale_string (&file, charmap->code_set_name);
168 write_locale_data (output_path, LC_NAME, "LC_NAME", &file);
169}
170
171
172/* The parser for the LC_NAME section of the locale definition. */
173void
174name_read (struct linereader *ldfile, struct localedef_t *result,
175 const struct charmap_t *charmap, const char *repertoire_name,
176 int ignore_content)
177{
178 struct locale_name_t *name;
179 struct token *now;
180 struct token *arg;
181 enum token_t nowtok;
182
183 /* The rest of the line containing `LC_NAME' must be empty. */
184 lr_ignore_rest (ldfile, 1);
185
186 do
187 {
188 now = lr_token (ldfile, charmap, result, NULL, verbose);
189 nowtok = now->tok;
190 }
191 while (nowtok == tok_eol);
192
193 /* If we see `copy' now we are almost done. */
194 if (nowtok == tok_copy)
195 {
196 handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_name,
197 LC_NAME, "LC_NAME", ignore_content);
198 return;
199 }
200
201 /* Prepare the data structures. */
202 name_startup (ldfile, result, ignore_content);
203 name = result->categories[LC_NAME].name;
204
205 while (1)
206 {
207 /* Of course we don't proceed beyond the end of file. */
208 if (nowtok == tok_eof)
209 break;
210
211 /* Ignore empty lines. */
212 if (nowtok == tok_eol)
213 {
214 now = lr_token (ldfile, charmap, result, NULL, verbose);
215 nowtok = now->tok;
216 continue;
217 }
218
219 switch (nowtok)
220 {
221#define STR_ELEM(cat) \
222 case tok_##cat: \
223 /* Ignore the rest of the line if we don't need the input of \
224 this line. */ \
225 if (ignore_content) \
226 { \
227 lr_ignore_rest (ldfile, 0); \
228 break; \
229 } \
230 \
231 arg = lr_token (ldfile, charmap, result, NULL, verbose); \
232 if (arg->tok != tok_string) \
233 goto err_label; \
234 if (name->cat != NULL) \
235 lr_error (ldfile, _("%s: field `%s' declared more than once"), \
236 "LC_NAME", #cat); \
237 else if (!ignore_content && arg->val.str.startmb == NULL) \
238 { \
239 lr_error (ldfile, _("%s: unknown character in field `%s'"), \
240 "LC_NAME", #cat); \
241 name->cat = ""; \
242 } \
243 else if (!ignore_content) \
244 name->cat = arg->val.str.startmb; \
245 break
246
247 STR_ELEM (name_fmt);
248 STR_ELEM (name_gen);
249 STR_ELEM (name_mr);
250 STR_ELEM (name_mrs);
251 STR_ELEM (name_miss);
252 STR_ELEM (name_ms);
253
254 case tok_end:
255 /* Next we assume `LC_NAME'. */
256 arg = lr_token (ldfile, charmap, result, NULL, verbose);
257 if (arg->tok == tok_eof)
258 break;
259 if (arg->tok == tok_eol)
260 lr_error (ldfile, _("%s: incomplete `END' line"), "LC_NAME");
261 else if (arg->tok != tok_lc_name)
262 lr_error (ldfile, _("\
263%1$s: definition does not end with `END %1$s'"), "LC_NAME");
264 lr_ignore_rest (ldfile, arg->tok == tok_lc_name);
265 return;
266
267 default:
268 err_label:
269 SYNTAX_ERROR (_("%s: syntax error"), "LC_NAME");
270 }
271
272 /* Prepare for the next round. */
273 now = lr_token (ldfile, charmap, result, NULL, verbose);
274 nowtok = now->tok;
275 }
276
277 /* When we come here we reached the end of the file. */
278 lr_error (ldfile, _("%s: premature end of file"), "LC_NAME");
279}
280