| /* Copyright (C) 1995-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@gnu.org>, 1995. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published |
| by the Free Software Foundation; version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| #include <langinfo.h> |
| #include <sys/types.h> |
| #include <regex.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include <sys/uio.h> |
| |
| #include <assert.h> |
| |
| #include "localedef.h" |
| #include "linereader.h" |
| #include "localeinfo.h" |
| #include "locfile.h" |
| |
| |
| /* The real definition of the struct for the LC_MESSAGES locale. */ |
| struct locale_messages_t |
| { |
| const char *yesexpr; |
| const char *noexpr; |
| const char *yesstr; |
| const char *nostr; |
| }; |
| |
| |
| static void |
| messages_startup (struct linereader *lr, struct localedef_t *locale, |
| int ignore_content) |
| { |
| if (!ignore_content) |
| locale->categories[LC_MESSAGES].messages = |
| (struct locale_messages_t *) xcalloc (1, |
| sizeof (struct locale_messages_t)); |
| |
| if (lr != NULL) |
| { |
| lr->translate_strings = 1; |
| lr->return_widestr = 0; |
| } |
| } |
| |
| |
| void |
| messages_finish (struct localedef_t *locale, const struct charmap_t *charmap) |
| { |
| struct locale_messages_t *messages |
| = locale->categories[LC_MESSAGES].messages; |
| int nothing = 0; |
| |
| /* Now resolve copying and also handle completely missing definitions. */ |
| if (messages == NULL) |
| { |
| /* First see whether we were supposed to copy. If yes, find the |
| actual definition. */ |
| if (locale->copy_name[LC_MESSAGES] != NULL) |
| { |
| /* Find the copying locale. This has to happen transitively since |
| the locale we are copying from might also copying another one. */ |
| struct localedef_t *from = locale; |
| |
| do |
| from = find_locale (LC_MESSAGES, from->copy_name[LC_MESSAGES], |
| from->repertoire_name, charmap); |
| while (from->categories[LC_MESSAGES].messages == NULL |
| && from->copy_name[LC_MESSAGES] != NULL); |
| |
| messages = locale->categories[LC_MESSAGES].messages |
| = from->categories[LC_MESSAGES].messages; |
| } |
| |
| /* If there is still no definition issue an warning and create an |
| empty one. */ |
| if (messages == NULL) |
| { |
| record_warning (_("\ |
| No definition for %s category found"), "LC_MESSAGES"); |
| messages_startup (NULL, locale, 0); |
| messages = locale->categories[LC_MESSAGES].messages; |
| nothing = 1; |
| } |
| } |
| |
| /* The fields YESSTR and NOSTR are optional. */ |
| if (messages->yesstr == NULL) |
| messages->yesstr = ""; |
| if (messages->nostr == NULL) |
| messages->nostr = ""; |
| |
| if (messages->yesexpr == NULL) |
| { |
| if (! nothing) |
| record_error (0, 0, _("%s: field `%s' undefined"), |
| "LC_MESSAGES", "yesexpr"); |
| messages->yesexpr = "^[yY]"; |
| } |
| else if (messages->yesexpr[0] == '\0') |
| { |
| record_error (0, 0, _("\ |
| %s: value for field `%s' must not be an empty string"), |
| "LC_MESSAGES", "yesexpr"); |
| } |
| else |
| { |
| int result; |
| regex_t re; |
| |
| /* Test whether it are correct regular expressions. */ |
| result = regcomp (&re, messages->yesexpr, REG_EXTENDED); |
| if (result != 0 && !be_quiet) |
| { |
| char errbuf[BUFSIZ]; |
| |
| (void) regerror (result, &re, errbuf, BUFSIZ); |
| record_error (0, 0, _("\ |
| %s: no correct regular expression for field `%s': %s"), |
| "LC_MESSAGES", "yesexpr", errbuf); |
| } |
| else if (result != 0) |
| regfree (&re); |
| } |
| |
| if (messages->noexpr == NULL) |
| { |
| if (! nothing) |
| record_error (0, 0, _("%s: field `%s' undefined"), |
| "LC_MESSAGES", "noexpr"); |
| messages->noexpr = "^[nN]"; |
| } |
| else if (messages->noexpr[0] == '\0') |
| { |
| record_error (0, 0, _("\ |
| %s: value for field `%s' must not be an empty string"), |
| "LC_MESSAGES", "noexpr"); |
| } |
| else |
| { |
| int result; |
| regex_t re; |
| |
| /* Test whether it are correct regular expressions. */ |
| result = regcomp (&re, messages->noexpr, REG_EXTENDED); |
| if (result != 0 && !be_quiet) |
| { |
| char errbuf[BUFSIZ]; |
| |
| (void) regerror (result, &re, errbuf, BUFSIZ); |
| record_error (0, 0, _("\ |
| %s: no correct regular expression for field `%s': %s"), |
| "LC_MESSAGES", "noexpr", errbuf); |
| } |
| else if (result != 0) |
| regfree (&re); |
| } |
| } |
| |
| |
| void |
| messages_output (struct localedef_t *locale, const struct charmap_t *charmap, |
| const char *output_path) |
| { |
| struct locale_messages_t *messages |
| = locale->categories[LC_MESSAGES].messages; |
| struct locale_file file; |
| |
| init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_MESSAGES)); |
| add_locale_string (&file, messages->yesexpr); |
| add_locale_string (&file, messages->noexpr); |
| add_locale_string (&file, messages->yesstr); |
| add_locale_string (&file, messages->nostr); |
| add_locale_string (&file, charmap->code_set_name); |
| write_locale_data (output_path, LC_MESSAGES, "LC_MESSAGES", &file); |
| } |
| |
| |
| /* The parser for the LC_MESSAGES section of the locale definition. */ |
| void |
| messages_read (struct linereader *ldfile, struct localedef_t *result, |
| const struct charmap_t *charmap, const char *repertoire_name, |
| int ignore_content) |
| { |
| struct repertoire_t *repertoire = NULL; |
| struct locale_messages_t *messages; |
| struct token *now; |
| enum token_t nowtok; |
| |
| /* Get the repertoire we have to use. */ |
| if (repertoire_name != NULL) |
| repertoire = repertoire_read (repertoire_name); |
| |
| /* The rest of the line containing `LC_MESSAGES' must be free. */ |
| lr_ignore_rest (ldfile, 1); |
| |
| |
| do |
| { |
| now = lr_token (ldfile, charmap, result, NULL, verbose); |
| nowtok = now->tok; |
| } |
| while (nowtok == tok_eol); |
| |
| /* If we see `copy' now we are almost done. */ |
| if (nowtok == tok_copy) |
| { |
| handle_copy (ldfile, charmap, repertoire_name, result, tok_lc_messages, |
| LC_MESSAGES, "LC_MESSAGES", ignore_content); |
| return; |
| } |
| |
| /* Prepare the data structures. */ |
| messages_startup (ldfile, result, ignore_content); |
| messages = result->categories[LC_MESSAGES].messages; |
| |
| while (1) |
| { |
| struct token *arg; |
| |
| /* Of course we don't proceed beyond the end of file. */ |
| if (nowtok == tok_eof) |
| break; |
| |
| /* Ignore empty lines. */ |
| if (nowtok == tok_eol) |
| { |
| now = lr_token (ldfile, charmap, result, NULL, verbose); |
| nowtok = now->tok; |
| continue; |
| } |
| |
| switch (nowtok) |
| { |
| #define STR_ELEM(cat) \ |
| case tok_##cat: \ |
| /* Ignore the rest of the line if we don't need the input of \ |
| this line. */ \ |
| if (ignore_content) \ |
| { \ |
| lr_ignore_rest (ldfile, 0); \ |
| break; \ |
| } \ |
| \ |
| if (messages->cat != NULL) \ |
| { \ |
| lr_error (ldfile, _("\ |
| %s: field `%s' declared more than once"), "LC_MESSAGES", #cat); \ |
| lr_ignore_rest (ldfile, 0); \ |
| break; \ |
| } \ |
| now = lr_token (ldfile, charmap, result, repertoire, verbose); \ |
| if (now->tok != tok_string) \ |
| goto syntax_error; \ |
| else if (!ignore_content && now->val.str.startmb == NULL) \ |
| { \ |
| lr_error (ldfile, _("\ |
| %s: unknown character in field `%s'"), "LC_MESSAGES", #cat); \ |
| messages->cat = ""; \ |
| } \ |
| else if (!ignore_content) \ |
| messages->cat = now->val.str.startmb; \ |
| break |
| |
| STR_ELEM (yesexpr); |
| STR_ELEM (noexpr); |
| STR_ELEM (yesstr); |
| STR_ELEM (nostr); |
| |
| case tok_end: |
| /* Next we assume `LC_MESSAGES'. */ |
| arg = lr_token (ldfile, charmap, result, NULL, verbose); |
| if (arg->tok == tok_eof) |
| break; |
| if (arg->tok == tok_eol) |
| lr_error (ldfile, _("%s: incomplete `END' line"), "LC_MESSAGES"); |
| else if (arg->tok != tok_lc_messages) |
| lr_error (ldfile, _("\ |
| %1$s: definition does not end with `END %1$s'"), "LC_MESSAGES"); |
| lr_ignore_rest (ldfile, arg->tok == tok_lc_messages); |
| return; |
| |
| default: |
| syntax_error: |
| SYNTAX_ERROR (_("%s: syntax error"), "LC_MESSAGES"); |
| } |
| |
| /* Prepare for the next round. */ |
| now = lr_token (ldfile, charmap, result, NULL, verbose); |
| nowtok = now->tok; |
| } |
| |
| /* When we come here we reached the end of the file. */ |
| lr_error (ldfile, _("%s: premature end of file"), "LC_MESSAGES"); |
| } |