diff options
Diffstat (limited to 'locale/locale.c')
| -rw-r--r-- | locale/locale.c | 538 |
1 files changed, 538 insertions, 0 deletions
diff --git a/locale/locale.c b/locale/locale.c new file mode 100644 index 0000000000..20385f07d8 --- /dev/null +++ b/locale/locale.c @@ -0,0 +1,538 @@ +/* Copyright (C) 1995 Free Software Foundation, Inc. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <dirent.h> +#include <getopt.h> +#include <langinfo.h> +#include <libintl.h> +#include <limits.h> +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "localedef.h" + + +/* If set dump C code describing the current locale. */ +static int do_dump; + +/* If set print the name of the category. */ +static int show_category_name; + +/* If set print the name of the item. */ +static int show_keyword_name; + +/* Long options. */ +static const struct option long_options[] = + { + { "all-locales", no_argument, NULL, 'a' }, + { "category-name", no_argument, &show_category_name, 1 }, + { "charmaps", no_argument, NULL, 'm' }, + { "dump", no_argument, &do_dump, 1 }, + { "help", no_argument, NULL, 'h' }, + { "keyword-name", no_argument, &show_keyword_name, 1 }, + { "version", no_argument, NULL, 'v' }, + { NULL, 0, NULL, 0 } + }; + + +/* We don't have these constants defined because we don't use them. Give + default values. */ +#define CTYPE_MB_CUR_MIN 0 +#define CTYPE_MB_CUR_MAX 0 +#define CTYPE_HASH_SIZE 0 +#define CTYPE_HASH_LAYERS 0 +#define CTYPE_CLASS 0 +#define CTYPE_TOUPPER_EB 0 +#define CTYPE_TOLOWER_EB 0 +#define CTYPE_TOUPPER_EL 0 +#define CTYPE_TOLOWER_EL 0 + + +/* We have all categories defined in `categories.def'. Now construct + the description and data structure used for all categories. */ +#define DEFINE_CATEGORY(category, name, items, postload, in, check, out) \ + static struct cat_item category##_desc[] = \ + { \ + NO_PAREN items \ + }; + +#include "categories.def" +#undef DEFINE_CATEGORY + +static struct category category[] = + { +#define DEFINE_CATEGORY(category, name, items, postload, in, check, out) \ + { _NL_NUM_##category, name, NELEMS (category##_desc) - 1, \ + category##_desc, NULL, NULL, NULL, out }, +#include "categories.def" +#undef DEFINE_CATEGORY + }; +#define NCATEGORIES NELEMS (category) + + +/* Prototypes for local functions. */ +static void usage (int status) __attribute__ ((noreturn)); +static void write_locales (void); +static void write_charmaps (void); +static void show_locale_vars (void); +static void show_info (const char *name); +static void dump_category (const char *name); + + +int +main (int argc, char *argv[]) +{ + int optchar; + int do_all = 0; + int do_help = 0; + int do_version = 0; + int do_charmaps = 0; + + /* Set initial values for global varaibles. */ + do_dump = 0; + show_category_name = 0; + show_keyword_name = 0; + + /* Set locale. Do not set LC_ALL because the other categories must + not be affected (acccording to POSIX.2). */ + setlocale (LC_CTYPE, ""); + setlocale (LC_MESSAGES, ""); + + /* Initialize the message catalog. */ + textdomain (PACKAGE); + + while ((optchar = getopt_long (argc, argv, "achkmv", long_options, NULL)) + != EOF) + switch (optchar) + { + case '\0': + break; + case 'a': + do_all = 1; + break; + case 'c': + show_category_name = 1; + break; + case 'h': + do_help = 1; + break; + case 'k': + show_keyword_name = 1; + break; + case 'm': + do_charmaps = 1; + break; + case 'v': + do_version = 1; + break; + default: + error (1, 0, gettext ("illegal option \"%s\""), optarg); + break; + } + + /* Version information is requested. */ + if (do_version) + { + fprintf (stderr, "GNU %s %s\n", PACKAGE, VERSION); + exit (EXIT_SUCCESS); + } + + /* Help is requested. */ + if (do_help) + usage (EXIT_SUCCESS); + + /* Dump C code. */ + if (do_dump) + { + printf ("\ +/* Generated by GNU %s %s. */\n\ +\n\ +#include \"localeinfo.h\"\n", program_invocation_name, VERSION); + + while (optind < argc) + dump_category (argv[optind++]); + + exit (EXIT_SUCCESS); + } + + /* `-a' requests the names of all available locales. */ + if (do_all != 0) + { + write_locales (); + exit (EXIT_SUCCESS); + } + + /* `m' requests the names of all available charmaps. The names can be + used for the -f argument to localedef(3). */ + if (do_charmaps != 0) + { + write_charmaps (); + exit (EXIT_SUCCESS); + } + + /* If no real argument is given we have to print the contents of the + current locale definition variables. These are LANG and the LC_*. */ + if (optind == argc && show_keyword_name == 0 && show_category_name == 0) + { + show_locale_vars (); + exit (EXIT_SUCCESS); + } + + /* Process all given names. */ + while (optind < argc) + show_info (argv[optind++]); + + exit (EXIT_SUCCESS); +} + + +/* Display usage information and exit. */ +static void +usage(int status) +{ + if (status != EXIT_SUCCESS) + fprintf (stderr, gettext ("Try `%s --help' for more information.\n"), + program_invocation_name); + else + printf(gettext ("\ +Usage: %s [OPTION]... name\n\ +Mandatory arguments to long options are mandatory for short options too.\n\ + -h, --help display this help and exit\n\ + -v, --version output version information and exit\n\ +\n\ + -a, --all-locales write names of available locales\n\ + -m, --charmaps write names of available charmaps\n\ +\n\ + -c, --category-name write names of selected categories\n\ + -k, --keyword-name write names of selected keywords\n\ +\n\ + --dump dump C code describing the current locale\n\ + (this code can be used in the C library)\n\ +"), program_invocation_name); + + exit (status); +} + + +/* Write the names of all available locales to stdout. */ +static void +write_locales (void) +{ + DIR *dir; + struct dirent *dirent; + + /* `POSIX' locale is always available (POSIX.2 4.34.3). */ + puts ("POSIX"); + + dir = opendir (LOCALE_PATH); + if (dir == NULL) + { + error (1, errno, gettext ("cannot read locale directory `%s'"), + LOCALE_PATH); + return; + } + + /* Now we can look for all files in the directory. */ + while ((dirent = readdir (dir)) != NULL) + if (strcmp (dirent->d_name, ".") != 0 + && strcmp (dirent->d_name, "..") != 0) + puts (dirent->d_name); + + closedir (dir); +} + + +/* Write the names of all available character maps to stdout. */ +static void +write_charmaps (void) +{ + DIR *dir; + struct dirent *dirent; + + dir = opendir (CHARMAP_PATH); + if (dir == NULL) + { + error (1, errno, gettext ("cannot read character map directory `%s'"), + CHARMAP_PATH); + return; + } + + /* Now we can look for all files in the directory. */ + while ((dirent = readdir (dir)) != NULL) + if (strcmp (dirent->d_name, ".") != 0 + && strcmp (dirent->d_name, "..") != 0) + puts (dirent->d_name); + + closedir (dir); +} + + +/* We have to show the contents of the environments determining the + locale. */ +static void +show_locale_vars (void) +{ + size_t cat_no; + const char *lcall = getenv ("LC_ALL"); + const char *lang = getenv ("LANG") ? : "POSIX"; + + void get_source (const char *name) + { + char *val = getenv (name); + + if (lcall != NULL || val == NULL) + printf ("%s=\"%s\"\n", name, lcall ? : lang); + else + printf ("%s=%s\n", name, val); + } + + /* LANG has to be the first value. */ + printf ("LANG=%s\n", lang); + + /* Now all categories in an unspecified order. */ + for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no) + get_source (category[cat_no].name); + + /* The last is the LC_ALL value. */ + printf ("LC_ALL=%s\n", lcall ? : ""); +} + + +/* Show the information request for NAME. */ +static void +show_info (const char *name) +{ + size_t cat_no; + + void print_item (struct cat_item *item) + { + if (show_keyword_name != 0) + printf ("%s=", item->name); + + switch (item->value_type) + { + case string: + printf ("%s%s%s", show_keyword_name ? "\"" : "", + nl_langinfo (item->item_id) ? : "", + show_keyword_name ? "\"" : ""); + break; + case stringarray: + { + int cnt; + const char *val; + + if (show_keyword_name) + putchar ('"'); + + for (cnt = 0; cnt < item->max - 1; ++cnt) + { + val = nl_langinfo (item->item_id + cnt); + printf ("%s;", val ? : ""); + } + + val = nl_langinfo (item->item_id + cnt); + printf ("%s", val ? : ""); + + if (show_keyword_name) + putchar ('"'); + } + break; + case byte: + { + const char *val = nl_langinfo (item->item_id); + + if (val != NULL) + printf ("%d", *val == CHAR_MAX ? -1 : *val); + } + break; + case bytearray: + { + const char *val = nl_langinfo (item->item_id); + int cnt = val ? strlen (val) : 0; + + while (cnt > 1) + { + printf ("%d;", *val == CHAR_MAX ? -1 : *val); + --cnt; + ++val; + } + + printf ("%d", cnt == 0 || *val == CHAR_MAX ? -1 : *val); + } + break; + default: + } + putchar ('\n'); + } + + for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no) + { + size_t item_no; + + if (category[cat_no].outfct != NULL) + /* Categories which need special handling of the output are + not written. This is especially for LC_CTYPE and LC_COLLATE. + It does not make sense to have this large number of cryptic + characters displayed. */ + continue; + + if (strcmp (name, category[cat_no].name) == 0) + /* Print the whole category. */ + { + if (show_category_name != 0) + puts (category[cat_no].name); + + for (item_no = 0; item_no < category[cat_no].number; ++item_no) + print_item (&category[cat_no].item_desc[item_no]); + + return; + } + + for (item_no = 0; item_no < category[cat_no].number; ++item_no) + if (strcmp (name, category[cat_no].item_desc[item_no].name) == 0) + { + if (show_category_name != 0) + puts (category[cat_no].name); + + print_item (&category[cat_no].item_desc[item_no]); + return; + } + } +} + + +static void +dump_category (const char *name) +{ + char *locname; + size_t cat_no, item_no, nstrings; + + for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no) + if (strcmp (name, category[cat_no].name) == 0) + break; + + if (cat_no >= NCATEGORIES) + return; + + /* The NAME specifies a correct locale category. */ + if (category[cat_no].outfct != NULL) + { + category[cat_no].outfct (); + return; + } + + locname = (getenv ("LC_ALL") ?: getenv (name) ?: + getenv ("LANG") ?: (char *) "POSIX"); + + /* Determine the number of strings in advance. */ + nstrings = 0; + for (item_no = 0; item_no < category[cat_no].number; ++item_no) + switch (category[cat_no].item_desc[item_no].value_type) + { + case string: + case byte: + case bytearray: + ++nstrings; + break; + case stringarray: + nstrings += category[cat_no].item_desc[item_no].max; + default: + } + + printf ("\nconst struct locale_data _nl_%s_%s =\n{\n" + " NULL, 0, /* no file mapped */\n %Zu,\n {\n", + locname, name, nstrings); + + for (item_no = 0; item_no < category[cat_no].number; ++item_no) + switch (category[cat_no].item_desc[item_no].value_type) + { + case string: + { + const char *val = nl_langinfo ( + category[cat_no].item_desc[item_no].item_id); + + if (val != NULL) + printf (" \"%s\",\n", val); + else + puts (" NULL,"); + } + break; + case stringarray: + { + const char *val; + int cnt; + + for (cnt = 0; cnt < category[cat_no].item_desc[item_no].max; ++cnt) + { + val = nl_langinfo ( + category[cat_no].item_desc[item_no].item_id + cnt); + + if (val != NULL) + printf (" \"%s\",\n", val); + else + puts (" NULL,"); + } + } + break; + case byte: + { + const char *val = nl_langinfo ( + category[cat_no].item_desc[item_no].item_id); + + if (val != NULL) + printf (" \"\\%o\",\n", + *(unsigned char *) val ? : UCHAR_MAX); + else + puts (" NULL,"); + } + break; + case bytearray: + { + const char *bytes = nl_langinfo ( + category[cat_no].item_desc[item_no].item_id); + + if (bytes != NULL) + { + fputs (" \"", stdout); + if (*bytes != '\0') + do + printf ("\\%o", *(unsigned char *) bytes++); + while (*bytes != '\0'); + else + printf ("\\%o", UCHAR_MAX); + + puts ("\","); + } + else + puts (" NULL,"); + } + break; + default: + break; + } + + puts (" }\n};"); +} + +/* + * Local Variables: + * mode:c + * c-basic-offset:2 + * End: + */ |