1 | /* Copyright (C) 1998-2019 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 <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 "localeinfo.h" |
31 | #include "locfile.h" |
32 | |
33 | |
34 | /* The real definition of the struct for the LC_PAPER locale. */ |
35 | struct locale_paper_t |
36 | { |
37 | uint32_t height; |
38 | uint32_t width; |
39 | }; |
40 | |
41 | |
42 | static void |
43 | paper_startup (struct linereader *lr, struct localedef_t *locale, |
44 | int ignore_content) |
45 | { |
46 | if (!ignore_content) |
47 | locale->categories[LC_PAPER].paper = |
48 | (struct locale_paper_t *) xcalloc (1, sizeof (struct locale_paper_t)); |
49 | |
50 | if (lr != NULL) |
51 | { |
52 | lr->translate_strings = 1; |
53 | lr->return_widestr = 0; |
54 | } |
55 | } |
56 | |
57 | |
58 | void |
59 | paper_finish (struct localedef_t *locale, const struct charmap_t *charmap) |
60 | { |
61 | struct locale_paper_t *paper = locale->categories[LC_PAPER].paper; |
62 | int nothing = 0; |
63 | |
64 | /* Now resolve copying and also handle completely missing definitions. */ |
65 | if (paper == NULL) |
66 | { |
67 | /* First see whether we were supposed to copy. If yes, find the |
68 | actual definition. */ |
69 | if (locale->copy_name[LC_PAPER] != NULL) |
70 | { |
71 | /* Find the copying locale. This has to happen transitively since |
72 | the locale we are copying from might also copying another one. */ |
73 | struct localedef_t *from = locale; |
74 | |
75 | do |
76 | from = find_locale (LC_PAPER, from->copy_name[LC_PAPER], |
77 | from->repertoire_name, charmap); |
78 | while (from->categories[LC_PAPER].paper == NULL |
79 | && from->copy_name[LC_PAPER] != NULL); |
80 | |
81 | paper = locale->categories[LC_PAPER].paper |
82 | = from->categories[LC_PAPER].paper; |
83 | } |
84 | |
85 | /* If there is still no definition issue an warning and create an |
86 | empty one. */ |
87 | if (paper == NULL) |
88 | { |
89 | record_warning (_("\ |
90 | No definition for %s category found" ), "LC_PAPER" ); |
91 | paper_startup (NULL, locale, 0); |
92 | paper = locale->categories[LC_PAPER].paper; |
93 | nothing = 1; |
94 | } |
95 | } |
96 | |
97 | if (paper->height == 0) |
98 | { |
99 | if (! nothing) |
100 | record_error (0, 0, _("%s: field `%s' not defined" ), |
101 | "LC_PAPER" , "height" ); |
102 | /* Use as default values the values from the i18n locale. */ |
103 | paper->height = 297; |
104 | } |
105 | |
106 | if (paper->width == 0) |
107 | { |
108 | if (! nothing) |
109 | record_error (0, 0, _("%s: field `%s' not defined" ), |
110 | "LC_PAPER" , "width" ); |
111 | /* Use as default values the values from the i18n locale. */ |
112 | paper->width = 210; |
113 | } |
114 | } |
115 | |
116 | |
117 | void |
118 | paper_output (struct localedef_t *locale, const struct charmap_t *charmap, |
119 | const char *output_path) |
120 | { |
121 | struct locale_paper_t *paper = locale->categories[LC_PAPER].paper; |
122 | struct locale_file file; |
123 | |
124 | init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_PAPER)); |
125 | add_locale_uint32 (&file, paper->height); |
126 | add_locale_uint32 (&file, paper->width); |
127 | add_locale_string (&file, charmap->code_set_name); |
128 | write_locale_data (output_path, LC_PAPER, "LC_PAPER" , &file); |
129 | } |
130 | |
131 | |
132 | /* The parser for the LC_PAPER section of the locale definition. */ |
133 | void |
134 | paper_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_paper_t *paper; |
139 | struct token *now; |
140 | struct token *arg; |
141 | enum token_t nowtok; |
142 | |
143 | /* The rest of the line containing `LC_PAPER' must be empty. */ |
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, tok_lc_paper, |
157 | LC_PAPER, "LC_PAPER" , ignore_content); |
158 | return; |
159 | } |
160 | |
161 | /* Prepare the data structures. */ |
162 | paper_startup (ldfile, result, ignore_content); |
163 | paper = result->categories[LC_PAPER].paper; |
164 | |
165 | while (1) |
166 | { |
167 | /* Of course we don't proceed beyond the end of file. */ |
168 | if (nowtok == tok_eof) |
169 | break; |
170 | |
171 | /* Ingore empty lines. */ |
172 | if (nowtok == tok_eol) |
173 | { |
174 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
175 | nowtok = now->tok; |
176 | continue; |
177 | } |
178 | |
179 | switch (nowtok) |
180 | { |
181 | #define INT_ELEM(cat) \ |
182 | case tok_##cat: \ |
183 | /* Ignore the rest of the line if we don't need the input of \ |
184 | this line. */ \ |
185 | if (ignore_content) \ |
186 | { \ |
187 | lr_ignore_rest (ldfile, 0); \ |
188 | break; \ |
189 | } \ |
190 | \ |
191 | arg = lr_token (ldfile, charmap, result, NULL, verbose); \ |
192 | if (arg->tok != tok_number) \ |
193 | goto err_label; \ |
194 | else if (paper->cat != 0) \ |
195 | lr_error (ldfile, _("%s: field `%s' declared more than once"), \ |
196 | "LC_PAPER", #cat); \ |
197 | else if (!ignore_content) \ |
198 | paper->cat = arg->val.num; \ |
199 | break |
200 | |
201 | INT_ELEM (height); |
202 | INT_ELEM (width); |
203 | |
204 | case tok_end: |
205 | /* Next we assume `LC_PAPER'. */ |
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" ), "LC_PAPER" ); |
211 | else if (arg->tok != tok_lc_paper) |
212 | lr_error (ldfile, _("\ |
213 | %1$s: definition does not end with `END %1$s'" ), "LC_PAPER" ); |
214 | lr_ignore_rest (ldfile, arg->tok == tok_lc_paper); |
215 | return; |
216 | |
217 | default: |
218 | err_label: |
219 | SYNTAX_ERROR (_("%s: syntax error" ), "LC_PAPER" ); |
220 | } |
221 | |
222 | /* Prepare for the next round. */ |
223 | now = lr_token (ldfile, charmap, result, NULL, verbose); |
224 | nowtok = now->tok; |
225 | } |
226 | |
227 | /* When we come here we reached the end of the file. */ |
228 | lr_error (ldfile, _("%s: premature end of file" ), "LC_PAPER" ); |
229 | } |
230 | |