/* Copyright (C) 1995-2023 Free Software Foundation, Inc. This file is part of the GNU C Library. 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 . */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include #include #include "localedef.h" #include "linereader.h" #include "localeinfo.h" #include "locfile.h" /* The real definition of the struct for the LC_NUMERIC locale. */ struct locale_numeric_t { const char *decimal_point; const char *thousands_sep; char *grouping; size_t grouping_len; uint32_t decimal_point_wc; uint32_t thousands_sep_wc; }; static void numeric_startup (struct linereader *lr, struct localedef_t *locale, int ignore_content) { if (!ignore_content) { locale->categories[LC_NUMERIC].numeric = (struct locale_numeric_t *) xcalloc (1, sizeof (struct locale_numeric_t)); } if (lr != NULL) { lr->translate_strings = 1; lr->return_widestr = 0; } } void numeric_finish (struct localedef_t *locale, const struct charmap_t *charmap) { struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric; int nothing = 0; /* Now resolve copying and also handle completely missing definitions. */ if (numeric == NULL) { /* First see whether we were supposed to copy. If yes, find the actual definition. */ if (locale->copy_name[LC_NUMERIC] != 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_NUMERIC, from->copy_name[LC_NUMERIC], from->repertoire_name, charmap); while (from->categories[LC_NUMERIC].numeric == NULL && from->copy_name[LC_NUMERIC] != NULL); numeric = locale->categories[LC_NUMERIC].numeric = from->categories[LC_NUMERIC].numeric; } /* If there is still no definition issue an warning and create an empty one. */ if (numeric == NULL) { record_warning (_("\ No definition for %s category found"), "LC_NUMERIC"); numeric_startup (NULL, locale, 0); numeric = locale->categories[LC_NUMERIC].numeric; nothing = 1; } } /* The decimal point must not be empty. This is not said explicitly in POSIX but ANSI C (ISO/IEC 9899) says in 4.4.2.1 it has to be != "". */ if (numeric->decimal_point == NULL) { if (! nothing) record_error (0, 0, _("%s: field `%s' not defined"), "LC_NUMERIC", "decimal_point"); numeric->decimal_point = "."; } else if (numeric->decimal_point[0] == '\0' && ! nothing) { record_error (0, 0, _("\ %s: value for field `%s' must not be an empty string"), "LC_NUMERIC", "decimal_point"); } if (numeric->decimal_point_wc == L'\0') numeric->decimal_point_wc = L'.'; if (numeric->grouping_len == 0 && ! nothing) record_error (0, 0, _("%s: field `%s' not defined"), "LC_NUMERIC", "grouping"); } void numeric_output (struct localedef_t *locale, const struct charmap_t *charmap, const char *output_path) { struct locale_numeric_t *numeric = locale->categories[LC_NUMERIC].numeric; struct locale_file file; init_locale_data (&file, _NL_ITEM_INDEX (_NL_NUM_LC_NUMERIC)); add_locale_string (&file, numeric->decimal_point ?: ""); add_locale_string (&file, numeric->thousands_sep ?: ""); add_locale_raw_data (&file, numeric->grouping, numeric->grouping_len); add_locale_uint32 (&file, numeric->decimal_point_wc); add_locale_uint32 (&file, numeric->thousands_sep_wc); add_locale_string (&file, charmap->code_set_name); write_locale_data (output_path, LC_NUMERIC, "LC_NUMERIC", &file); } /* The parser for the LC_NUMERIC section of the locale definition. */ void numeric_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_numeric_t *numeric; 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_NUMERIC' 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_numeric, LC_NUMERIC, "LC_NUMERIC", ignore_content); return; } /* Prepare the data structures. */ numeric_startup (ldfile, result, ignore_content); numeric = result->categories[LC_NUMERIC].numeric; while (1) { /* Of course we don't proceed beyond the end of file. */ if (nowtok == tok_eof) break; /* Ingore 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; \ } \ \ ldfile->return_widestr = 1; \ now = lr_token (ldfile, charmap, result, repertoire, verbose); \ if (now->tok != tok_string) \ goto err_label; \ if (numeric->cat != NULL) \ lr_error (ldfile, _("\ %s: field `%s' declared more than once"), "LC_NUMERIC", #cat); \ else if (!ignore_content && now->val.str.startmb == NULL) \ { \ lr_error (ldfile, _("\ %s: unknown character in field `%s'"), "LC_NUMERIC", #cat); \ numeric->cat = ""; \ numeric->cat##_wc = L'\0'; \ } \ else if (now->val.str.startwc != NULL && now->val.str.lenwc > 2) \ { \ lr_error (ldfile, _("\ %s: value for field `%s' must be a single character"), "LC_NUMERIC", #cat); \ } \ else if (!ignore_content) \ { \ numeric->cat = now->val.str.startmb; \ \ if (now->val.str.startwc != NULL) \ numeric->cat##_wc = *now->val.str.startwc; \ } \ ldfile->return_widestr = 0; \ break STR_ELEM (decimal_point); STR_ELEM (thousands_sep); case tok_grouping: /* 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; } now = lr_token (ldfile, charmap, result, NULL, verbose); if (now->tok != tok_minus1 && now->tok != tok_number) goto err_label; else { size_t act = 0; size_t max = 10; char *grouping = xmalloc (max); do { if (act + 1 >= max) { max *= 2; grouping = xrealloc (grouping, max); } if (act > 0 && grouping[act - 1] == '\177') { lr_error (ldfile, _("\ %s: `-1' must be last entry in `%s' field"), "LC_NUMERIC", "grouping"); lr_ignore_rest (ldfile, 0); break; } if (now->tok == tok_minus1) grouping[act++] = '\177'; else if (now->val.num == 0) { /* A value of 0 disables grouping from here on but we must not store a NUL character since this terminates the string. Use something different which must not be used otherwise. */ grouping[act++] = '\377'; } else if (now->val.num > 126) lr_error (ldfile, _("\ %s: values for field `%s' must be smaller than 127"), "LC_NUMERIC", "grouping"); else grouping[act++] = now->val.num; /* Next must be semicolon. */ now = lr_token (ldfile, charmap, result, NULL, verbose); if (now->tok != tok_semicolon) break; now = lr_token (ldfile, charmap, result, NULL, verbose); } while (now->tok == tok_minus1 || now->tok == tok_number); if (now->tok != tok_eol) goto err_label; /* A single -1 means no grouping. */ if (act == 1 && grouping[0] == '\177') act--; grouping[act++] = '\0'; numeric->grouping = xrealloc (grouping, act); numeric->grouping_len = act; } break; case tok_end: /* Next we assume `LC_NUMERIC'. */ now = lr_token (ldfile, charmap, result, NULL, verbose); if (now->tok == tok_eof) break; if (now->tok == tok_eol) lr_error (ldfile, _("%s: incomplete `END' line"), "LC_NUMERIC"); else if (now->tok != tok_lc_numeric) lr_error (ldfile, _("\ %1$s: definition does not end with `END %1$s'"), "LC_NUMERIC"); lr_ignore_rest (ldfile, now->tok == tok_lc_numeric); return; default: err_label: SYNTAX_ERROR (_("%s: syntax error"), "LC_NUMERIC"); } /* 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_NUMERIC"); }