diff options
Diffstat (limited to 'REORG.TODO/locale/programs/ld-numeric.c')
| -rw-r--r-- | REORG.TODO/locale/programs/ld-numeric.c | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/REORG.TODO/locale/programs/ld-numeric.c b/REORG.TODO/locale/programs/ld-numeric.c new file mode 100644 index 0000000000..a81ff04f93 --- /dev/null +++ b/REORG.TODO/locale/programs/ld-numeric.c @@ -0,0 +1,343 @@ +/* Copyright (C) 1995-2017 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 <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_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) + { + if (! be_quiet) + WITH_CUR_LOCALE (error (0, 0, _("\ +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 (! be_quiet && ! nothing) + WITH_CUR_LOCALE (error (0, 0, _("%s: field `%s' not defined"), + "LC_NUMERIC", "decimal_point")); + numeric->decimal_point = "."; + } + else if (numeric->decimal_point[0] == '\0' && ! be_quiet && ! nothing) + { + WITH_CUR_LOCALE (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 && ! be_quiet && ! nothing) + WITH_CUR_LOCALE (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"); +} |