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_MEASUREMENT locale. */
35struct locale_measurement_t
36{
37 unsigned char measurement;
38};
39
40
41static void
42measurement_startup (struct linereader *lr, struct localedef_t *locale,
43 int ignore_content)
44{
45 if (!ignore_content)
46 locale->categories[LC_MEASUREMENT].measurement =
47 (struct locale_measurement_t *)
48 xcalloc (1, sizeof (struct locale_measurement_t));
49
50 if (lr != NULL)
51 {
52 lr->translate_strings = 1;
53 lr->return_widestr = 0;
54 }
55}
56
57
58void
59measurement_finish (struct localedef_t *locale,
60 const struct charmap_t *charmap)
61{
62 struct locale_measurement_t *measurement =
63 locale->categories[LC_MEASUREMENT].measurement;
64 int nothing = 0;
65
66 /* Now resolve copying and also handle completely missing definitions. */
67 if (measurement == NULL)
68 {
69 /* First see whether we were supposed to copy. If yes, find the
70 actual definition. */
71 if (locale->copy_name[LC_MEASUREMENT] != NULL)
72 {
73 /* Find the copying locale. This has to happen transitively since
74 the locale we are copying from might also copying another one. */
75 struct localedef_t *from = locale;
76
77 do
78 from = find_locale (LC_MEASUREMENT,
79 from->copy_name[LC_MEASUREMENT],
80 from->repertoire_name, charmap);
81 while (from->categories[LC_MEASUREMENT].measurement == NULL
82 && from->copy_name[LC_MEASUREMENT] != NULL);
83
84 measurement = locale->categories[LC_MEASUREMENT].measurement
85 = from->categories[LC_MEASUREMENT].measurement;
86 }
87
88 /* If there is still no definition issue an warning and create an
89 empty one. */
90 if (measurement == NULL)
91 {
92 record_warning (_("\
93No definition for %s category found"), "LC_MEASUREMENT");
94 measurement_startup (NULL, locale, 0);
95 measurement = locale->categories[LC_MEASUREMENT].measurement;
96 nothing = 1;
97 }
98 }
99
100 if (measurement->measurement == 0)
101 {
102 if (! nothing)
103 record_error (0, 0, _("%s: field `%s' not defined"),
104 "LC_MEASUREMENT", "measurement");
105 /* Use as the default value the value of the i18n locale. */
106 measurement->measurement = 1;
107 }
108 else
109 {
110 if (measurement->measurement > 3)
111 record_error (0, 0, _("%s: invalid value for field `%s'"),
112 "LC_MEASUREMENT", "measurement");
113 }
114}
115
116
117void
118measurement_output (struct localedef_t *locale,
119 const struct charmap_t *charmap, const char *output_path)
120{
121 struct locale_measurement_t *measurement =
122 locale->categories[LC_MEASUREMENT].measurement;
123 struct locale_file file;
124
125 init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_MEASUREMENT));
126 add_locale_char (&file, measurement->measurement);
127 add_locale_string (&file, charmap->code_set_name);
128 write_locale_data (output_path, LC_MEASUREMENT, "LC_MEASUREMENT", &file);
129}
130
131
132/* The parser for the LC_MEASUREMENT section of the locale definition. */
133void
134measurement_read (struct linereader *ldfile, struct localedef_t *result,
135 const struct charmap_t *charmap, const char *repertoire_name,
136 int ignore_content)
137{
138 struct locale_measurement_t *measurement;
139 struct token *now;
140 struct token *arg;
141 enum token_t nowtok;
142
143 /* The rest of the line containing `LC_MEASUREMENT' must be free. */
144 lr_ignore_rest (ldfile, 1);
145
146 do
147 {
148 now = lr_token (ldfile, charmap, result, NULL, verbose);
149 nowtok = now->tok;
150 }
151 while (nowtok == tok_eol);
152
153 /* If we see `copy' now we are almost done. */
154 if (nowtok == tok_copy)
155 {
156 handle_copy (ldfile, charmap, repertoire_name, result,
157 tok_lc_measurement, LC_MEASUREMENT, "LC_MEASUREMENT",
158 ignore_content);
159 return;
160 }
161
162 /* Prepare the data structures. */
163 measurement_startup (ldfile, result, ignore_content);
164 measurement = result->categories[LC_MEASUREMENT].measurement;
165
166 while (1)
167 {
168 /* Of course we don't proceed beyond the end of file. */
169 if (nowtok == tok_eof)
170 break;
171
172 /* Ingore empty lines. */
173 if (nowtok == tok_eol)
174 {
175 now = lr_token (ldfile, charmap, result, NULL, verbose);
176 nowtok = now->tok;
177 continue;
178 }
179
180 switch (nowtok)
181 {
182#define INT_ELEM(cat) \
183 case tok_##cat: \
184 /* Ignore the rest of the line if we don't need the input of \
185 this line. */ \
186 if (ignore_content) \
187 { \
188 lr_ignore_rest (ldfile, 0); \
189 break; \
190 } \
191 \
192 arg = lr_token (ldfile, charmap, result, NULL, verbose); \
193 if (arg->tok != tok_number) \
194 goto err_label; \
195 else if (measurement->cat != 0) \
196 lr_error (ldfile, _("%s: field `%s' declared more than once"), \
197 "LC_MEASUREMENT", #cat); \
198 else if (!ignore_content) \
199 measurement->cat = arg->val.num; \
200 break
201
202 INT_ELEM (measurement);
203
204 case tok_end:
205 /* Next we assume `LC_MEASUREMENT'. */
206 arg = lr_token (ldfile, charmap, result, NULL, verbose);
207 if (arg->tok == tok_eof)
208 break;
209 if (arg->tok == tok_eol)
210 lr_error (ldfile, _("%s: incomplete `END' line"),
211 "LC_MEASUREMENT");
212 else if (arg->tok != tok_lc_measurement)
213 lr_error (ldfile, _("\
214%1$s: definition does not end with `END %1$s'"), "LC_MEASUREMENT");
215 lr_ignore_rest (ldfile, arg->tok == tok_lc_measurement);
216 return;
217
218 default:
219 err_label:
220 SYNTAX_ERROR (_("%s: syntax error"), "LC_MEASUREMENT");
221 }
222
223 /* Prepare for the next round. */
224 now = lr_token (ldfile, charmap, result, NULL, verbose);
225 nowtok = now->tok;
226 }
227
228 /* When we come here we reached the end of the file. */
229 lr_error (ldfile, _("%s: premature end of file"),
230 "LC_MEASUREMENT");
231}
232