[134] | 1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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| 2 | * |
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| 3 | * Copyright 2008 Red Hat, Inc, |
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| 4 | * 2007 William Jon McCann <mccann@jhu.edu> |
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| 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License as published by |
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| 8 | * the Free Software Foundation; either version 2 of the License, or |
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| 9 | * (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with this program; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 19 | * |
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| 20 | * Written by : William Jon McCann <mccann@jhu.edu> |
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| 21 | * Ray Strode <rstrode@redhat.com> |
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| 22 | */ |
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| 23 | |
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| 24 | #include "config.h" |
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| 25 | |
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| 26 | #include <stdlib.h> |
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| 27 | #include <stdio.h> |
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| 28 | #include <unistd.h> |
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| 29 | #include <string.h> |
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| 30 | #include <errno.h> |
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| 31 | #include <dirent.h> |
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| 32 | #include <locale.h> |
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| 33 | #include <langinfo.h> |
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| 34 | #include <sys/stat.h> |
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| 35 | |
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| 36 | #include <glib.h> |
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| 37 | #include <glib/gi18n.h> |
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| 38 | #include <glib/gstdio.h> |
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| 39 | |
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| 40 | #include "gdm-languages.h" |
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| 41 | |
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| 42 | #include <langinfo.h> |
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| 43 | #ifndef __LC_LAST |
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| 44 | #define __LC_LAST 13 |
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| 45 | #endif |
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| 46 | #include "locarchive.h" |
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| 47 | |
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| 48 | #define ALIASES_FILE LIBLOCALEDIR "/locale.alias" |
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| 49 | #define ARCHIVE_FILE LIBLOCALEDIR "/locale-archive" |
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| 50 | #define ISO_CODES_DATADIR ISO_CODES_PREFIX "/share/xml/iso-codes" |
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| 51 | #define ISO_CODES_LOCALESDIR ISO_CODES_PREFIX "/share/locale" |
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| 52 | |
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| 53 | typedef struct _GdmLocale { |
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| 54 | char *id; |
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| 55 | char *name; |
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| 56 | char *language_code; |
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| 57 | char *territory_code; |
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| 58 | char *codeset; |
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| 59 | char *modifier; |
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| 60 | } GdmLocale; |
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| 61 | |
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| 62 | static GHashTable *gdm_languages_map; |
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| 63 | static GHashTable *gdm_territories_map; |
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| 64 | static GHashTable *gdm_available_locales_map; |
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| 65 | |
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| 66 | static void |
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| 67 | gdm_locale_free (GdmLocale *locale) |
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| 68 | { |
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| 69 | if (locale == NULL) { |
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| 70 | return; |
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| 71 | } |
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| 72 | |
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| 73 | g_free (locale->id); |
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| 74 | g_free (locale->name); |
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| 75 | g_free (locale->codeset); |
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| 76 | g_free (locale->modifier); |
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| 77 | g_free (locale); |
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| 78 | } |
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| 79 | |
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| 80 | static char * |
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| 81 | normalize_codeset (const char *codeset) |
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| 82 | { |
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| 83 | char *normalized_codeset; |
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| 84 | const char *p; |
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| 85 | char *q; |
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| 86 | |
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| 87 | normalized_codeset = g_strdup (codeset); |
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| 88 | |
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| 89 | if (codeset != NULL) { |
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| 90 | for (p = codeset, q = normalized_codeset; |
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| 91 | *p != '\0'; p++) { |
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| 92 | |
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| 93 | if (*p == '-' || *p == '_') { |
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| 94 | continue; |
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| 95 | } |
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| 96 | |
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| 97 | *q = g_ascii_tolower (*p); |
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| 98 | q++; |
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| 99 | } |
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| 100 | *q = '\0'; |
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| 101 | } |
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| 102 | |
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| 103 | return normalized_codeset; |
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| 104 | } |
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| 105 | |
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| 106 | /* |
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| 107 | * According to http://en.wikipedia.org/wiki/Locale |
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| 108 | * locale names are of the form: |
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| 109 | * [language[_territory][.codeset][@modifier]] |
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| 110 | */ |
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| 111 | void |
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| 112 | gdm_parse_language_name (const char *name, |
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| 113 | char **language_codep, |
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| 114 | char **territory_codep, |
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| 115 | char **codesetp, |
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| 116 | char **modifierp) |
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| 117 | { |
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| 118 | GRegex *re; |
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| 119 | GMatchInfo *match_info; |
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| 120 | gboolean res; |
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| 121 | GError *error; |
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| 122 | |
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| 123 | error = NULL; |
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| 124 | re = g_regex_new ("^(?P<language>[^_.@[:space:]]+)" |
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| 125 | "(_(?P<territory>[[:upper:]]+))?" |
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| 126 | "(\\.(?P<codeset>[-_0-9a-zA-Z]+))?" |
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| 127 | "(@(?P<modifier>[[:ascii:]]+))?$", |
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| 128 | 0, 0, &error); |
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| 129 | if (re == NULL) { |
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| 130 | g_critical ("%s", error->message); |
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| 131 | return; |
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| 132 | } |
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| 133 | |
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| 134 | if (!g_regex_match (re, name, 0, &match_info) || |
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| 135 | g_match_info_is_partial_match (match_info)) { |
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| 136 | g_match_info_free (match_info); |
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| 137 | g_regex_unref (re); |
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| 138 | g_warning ("locale %s isn't valid\n", name); |
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| 139 | return; |
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| 140 | } |
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| 141 | |
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| 142 | res = g_match_info_matches (match_info); |
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| 143 | if (! res) { |
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| 144 | g_warning ("Unable to parse locale: %s", name); |
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| 145 | return; |
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| 146 | } |
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| 147 | |
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| 148 | if (language_codep != NULL) { |
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| 149 | *language_codep = g_match_info_fetch_named (match_info, "language"); |
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| 150 | } |
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| 151 | |
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| 152 | if (territory_codep != NULL) { |
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| 153 | *territory_codep = g_match_info_fetch_named (match_info, "territory"); |
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| 154 | |
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| 155 | if (*territory_codep != NULL && |
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| 156 | *territory_codep[0] == '\0') { |
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| 157 | g_free (*territory_codep); |
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| 158 | *territory_codep = NULL; |
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| 159 | } |
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| 160 | } |
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| 161 | |
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| 162 | if (codesetp != NULL) { |
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| 163 | *codesetp = g_match_info_fetch_named (match_info, "codeset"); |
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| 164 | |
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| 165 | if (*codesetp != NULL && |
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| 166 | *codesetp[0] == '\0') { |
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| 167 | g_free (*codesetp); |
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| 168 | *codesetp = NULL; |
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| 169 | } |
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| 170 | |
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| 171 | if (*codesetp != NULL) { |
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| 172 | char *codeset; |
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| 173 | |
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| 174 | codeset = normalize_codeset (*codesetp); |
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| 175 | g_free (*codesetp); |
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| 176 | *codesetp = codeset; |
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| 177 | } |
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| 178 | } |
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| 179 | |
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| 180 | if (modifierp != NULL) { |
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| 181 | *modifierp = g_match_info_fetch_named (match_info, "modifier"); |
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| 182 | |
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| 183 | if (*modifierp != NULL && |
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| 184 | *modifierp[0] == '\0') { |
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| 185 | g_free (*modifierp); |
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| 186 | *modifierp = NULL; |
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| 187 | } |
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| 188 | } |
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| 189 | |
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| 190 | g_match_info_free (match_info); |
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| 191 | g_regex_unref (re); |
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| 192 | } |
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| 193 | |
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| 194 | static char * |
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| 195 | construct_language_name (const char *language, |
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| 196 | const char *territory, |
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| 197 | const char *codeset, |
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| 198 | const char *modifier) |
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| 199 | { |
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| 200 | char *name; |
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| 201 | |
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| 202 | g_assert (language[0] != 0); |
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| 203 | g_assert (territory == NULL || territory[0] != 0); |
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| 204 | g_assert (codeset == NULL || codeset[0] != 0); |
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| 205 | g_assert (modifier == NULL || modifier[0] != 0); |
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| 206 | |
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| 207 | name = g_strdup_printf ("%s%s%s%s%s%s%s", |
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| 208 | language, |
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| 209 | territory != NULL? "_" : "", |
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| 210 | territory != NULL? territory : "", |
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| 211 | codeset != NULL? "." : "", |
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| 212 | codeset != NULL? codeset : "", |
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| 213 | modifier != NULL? "@" : "", |
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| 214 | modifier != NULL? modifier : ""); |
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| 215 | |
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| 216 | return name; |
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| 217 | } |
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| 218 | |
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| 219 | static void |
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| 220 | make_codeset_canonical_for_locale (const char *name, |
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| 221 | char **codeset) |
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| 222 | { |
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| 223 | char *old_locale; |
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| 224 | |
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| 225 | old_locale = setlocale (LC_CTYPE, NULL); |
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| 226 | |
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| 227 | if (setlocale (LC_CTYPE, name) == NULL) { |
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| 228 | return; |
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| 229 | } |
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| 230 | |
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| 231 | g_free (*codeset); |
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| 232 | *codeset = g_strdup (nl_langinfo (CODESET)); |
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| 233 | |
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| 234 | setlocale (LC_CTYPE, old_locale); |
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| 235 | } |
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| 236 | |
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| 237 | char * |
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| 238 | gdm_normalize_language_name (const char *name) |
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| 239 | { |
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| 240 | char *normalized_name; |
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| 241 | char *language_code; |
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| 242 | char *territory_code; |
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| 243 | char *codeset; |
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| 244 | char *modifier; |
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| 245 | |
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| 246 | if (name[0] == '\0') { |
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| 247 | return NULL; |
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| 248 | } |
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| 249 | |
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| 250 | gdm_parse_language_name (name, |
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| 251 | &language_code, |
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| 252 | &territory_code, |
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| 253 | &codeset, &modifier); |
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| 254 | |
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| 255 | if (codeset != NULL) { |
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| 256 | make_codeset_canonical_for_locale (name, &codeset); |
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| 257 | } |
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| 258 | |
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| 259 | normalized_name = construct_language_name (language_code, |
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| 260 | territory_code, |
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| 261 | codeset, modifier); |
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| 262 | g_free (language_code); |
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| 263 | g_free (territory_code); |
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| 264 | g_free (codeset); |
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| 265 | g_free (modifier); |
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| 266 | |
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| 267 | return normalized_name; |
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| 268 | } |
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| 269 | |
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| 270 | static gboolean |
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| 271 | language_name_is_valid (const char *language_name) |
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| 272 | { |
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| 273 | char *old_locale; |
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| 274 | gboolean is_valid; |
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| 275 | |
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| 276 | old_locale = g_strdup (setlocale (LC_MESSAGES, NULL)); |
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| 277 | is_valid = setlocale (LC_MESSAGES, language_name) != NULL; |
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| 278 | setlocale (LC_MESSAGES, old_locale); |
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| 279 | g_free (old_locale); |
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| 280 | |
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| 281 | return is_valid; |
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| 282 | } |
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| 283 | |
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| 284 | static gboolean |
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| 285 | language_name_is_utf8 (const char *language_name) |
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| 286 | { |
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| 287 | char *old_locale; |
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| 288 | char *codeset; |
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| 289 | gboolean is_utf8; |
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| 290 | |
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| 291 | old_locale = g_strdup (setlocale (LC_CTYPE, NULL)); |
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| 292 | |
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| 293 | if (setlocale (LC_CTYPE, language_name) == NULL) { |
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| 294 | g_free (old_locale); |
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| 295 | return FALSE; |
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| 296 | } |
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| 297 | |
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| 298 | codeset = normalize_codeset (nl_langinfo (CODESET)); |
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| 299 | |
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| 300 | is_utf8 = strcmp (codeset, "utf8") == 0; |
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| 301 | g_free (codeset); |
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| 302 | |
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| 303 | setlocale (LC_CTYPE, old_locale); |
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| 304 | g_free (old_locale); |
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| 305 | |
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| 306 | return is_utf8; |
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| 307 | } |
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| 308 | |
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| 309 | static gboolean |
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| 310 | language_name_has_translations (const char *language_name) |
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| 311 | { |
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| 312 | GDir *dir; |
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| 313 | char *path; |
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| 314 | const char *name; |
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| 315 | gboolean has_translations; |
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| 316 | |
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| 317 | path = g_build_filename (GNOMELOCALEDIR, language_name, "LC_MESSAGES", NULL); |
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| 318 | |
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| 319 | has_translations = FALSE; |
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| 320 | dir = g_dir_open (path, 0, NULL); |
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| 321 | g_free (path); |
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| 322 | |
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| 323 | if (dir == NULL) { |
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| 324 | goto out; |
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| 325 | } |
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| 326 | |
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| 327 | do { |
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| 328 | name = g_dir_read_name (dir); |
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| 329 | |
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| 330 | if (name == NULL) { |
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| 331 | break; |
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| 332 | } |
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| 333 | |
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| 334 | if (g_str_has_suffix (name, ".mo")) { |
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| 335 | has_translations = TRUE; |
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| 336 | break; |
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| 337 | } |
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| 338 | } while (name != NULL); |
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| 339 | g_dir_close (dir); |
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| 340 | |
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| 341 | out: |
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| 342 | return has_translations; |
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| 343 | } |
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| 344 | |
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| 345 | static gboolean |
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| 346 | add_locale (const char *language_name) |
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| 347 | { |
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| 348 | GdmLocale *locale; |
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| 349 | GdmLocale *old_locale; |
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| 350 | char *name; |
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| 351 | |
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| 352 | if (language_name_is_utf8 (language_name)) { |
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| 353 | name = g_strdup (language_name); |
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| 354 | } else { |
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| 355 | name = g_strdup_printf ("%s.utf8", language_name); |
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| 356 | |
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| 357 | if (!language_name_is_utf8 (name)) { |
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| 358 | g_free (name); |
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| 359 | return FALSE; |
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| 360 | } |
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| 361 | } |
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| 362 | |
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| 363 | if (!language_name_is_valid (name)) { |
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| 364 | g_free (name); |
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| 365 | return FALSE; |
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| 366 | } |
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| 367 | |
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| 368 | |
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| 369 | locale = g_new0 (GdmLocale, 1); |
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| 370 | gdm_parse_language_name (name, |
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| 371 | &locale->language_code, |
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| 372 | &locale->territory_code, |
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| 373 | &locale->codeset, |
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| 374 | &locale->modifier); |
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| 375 | g_free (name); |
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| 376 | name = NULL; |
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| 377 | |
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| 378 | locale->id = construct_language_name (locale->language_code, locale->territory_code, |
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| 379 | NULL, locale->modifier); |
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| 380 | locale->name = construct_language_name (locale->language_code, locale->territory_code, |
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| 381 | locale->codeset, locale->modifier); |
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| 382 | |
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| 383 | if (!language_name_has_translations (locale->name) && |
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| 384 | !language_name_has_translations (locale->id) && |
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| 385 | !language_name_has_translations (locale->language_code)) { |
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| 386 | gdm_locale_free (locale); |
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| 387 | return FALSE; |
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| 388 | } |
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| 389 | |
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| 390 | old_locale = g_hash_table_lookup (gdm_available_locales_map, locale->id); |
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| 391 | if (old_locale != NULL) { |
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| 392 | if (strlen (old_locale->name) > strlen (locale->name)) { |
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| 393 | gdm_locale_free (locale); |
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| 394 | return FALSE; |
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| 395 | } |
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| 396 | } |
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| 397 | |
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| 398 | g_hash_table_insert (gdm_available_locales_map, g_strdup (locale->id), locale); |
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| 399 | |
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| 400 | return TRUE; |
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| 401 | } |
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| 402 | |
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| 403 | struct nameent |
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| 404 | { |
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| 405 | char *name; |
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| 406 | uint32_t locrec_offset; |
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| 407 | }; |
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| 408 | |
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| 409 | static gboolean |
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| 410 | collect_locales_from_archive (void) |
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| 411 | { |
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| 412 | GMappedFile *mapped; |
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| 413 | GError *error; |
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| 414 | char *addr; |
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| 415 | struct locarhead *head; |
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| 416 | struct namehashent *namehashtab; |
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| 417 | struct nameent *names; |
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| 418 | uint32_t used; |
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| 419 | uint32_t cnt; |
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| 420 | gsize len; |
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| 421 | gboolean locales_collected; |
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| 422 | |
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| 423 | error = NULL; |
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| 424 | mapped = g_mapped_file_new (ARCHIVE_FILE, FALSE, &error); |
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| 425 | if (mapped == NULL) { |
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| 426 | g_warning ("Mapping failed for %s: %s", ARCHIVE_FILE, error->message); |
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| 427 | g_error_free (error); |
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| 428 | return FALSE; |
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| 429 | } |
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| 430 | |
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| 431 | locales_collected = FALSE; |
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| 432 | |
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| 433 | addr = g_mapped_file_get_contents (mapped); |
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| 434 | len = g_mapped_file_get_length (mapped); |
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| 435 | |
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| 436 | head = (struct locarhead *) addr; |
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| 437 | if (head->namehash_offset + head->namehash_size > len |
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| 438 | || head->string_offset + head->string_size > len |
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| 439 | || head->locrectab_offset + head->locrectab_size > len |
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| 440 | || head->sumhash_offset + head->sumhash_size > len) { |
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| 441 | goto out; |
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| 442 | } |
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| 443 | |
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| 444 | namehashtab = (struct namehashent *) (addr + head->namehash_offset); |
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| 445 | |
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| 446 | names = (struct nameent *) g_new0 (struct nameent, head->namehash_used); |
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| 447 | for (cnt = used = 0; cnt < head->namehash_size; ++cnt) { |
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| 448 | if (namehashtab[cnt].locrec_offset != 0) { |
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| 449 | names[used].name = addr + namehashtab[cnt].name_offset; |
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| 450 | names[used++].locrec_offset = namehashtab[cnt].locrec_offset; |
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| 451 | } |
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| 452 | } |
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| 453 | |
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| 454 | for (cnt = 0; cnt < used; ++cnt) { |
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| 455 | add_locale (names[cnt].name); |
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| 456 | } |
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| 457 | |
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| 458 | g_free (names); |
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| 459 | |
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| 460 | locales_collected = TRUE; |
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| 461 | out: |
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| 462 | |
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| 463 | g_mapped_file_free (mapped); |
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| 464 | return locales_collected; |
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| 465 | } |
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| 466 | |
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| 467 | static int |
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| 468 | select_dirs (const struct dirent *dirent) |
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| 469 | { |
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| 470 | int result = 0; |
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| 471 | |
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| 472 | if (strcmp (dirent->d_name, ".") != 0 && strcmp (dirent->d_name, "..") != 0) { |
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| 473 | mode_t mode = 0; |
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| 474 | |
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| 475 | #ifdef _DIRENT_HAVE_D_TYPE |
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| 476 | if (dirent->d_type != DT_UNKNOWN && dirent->d_type != DT_LNK) { |
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| 477 | mode = DTTOIF (dirent->d_type); |
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| 478 | } else |
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| 479 | #endif |
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| 480 | { |
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| 481 | struct stat st; |
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| 482 | char *path; |
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| 483 | |
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| 484 | path = g_build_filename (LIBLOCALEDIR, dirent->d_name, NULL); |
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| 485 | if (g_stat (path, &st) == 0) { |
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| 486 | mode = st.st_mode; |
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| 487 | } |
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| 488 | g_free (path); |
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| 489 | } |
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| 490 | |
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| 491 | result = S_ISDIR (mode); |
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| 492 | } |
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| 493 | |
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| 494 | return result; |
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| 495 | } |
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| 496 | |
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| 497 | static void |
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| 498 | collect_locales_from_directory (void) |
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| 499 | { |
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| 500 | struct dirent **dirents; |
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| 501 | int ndirents; |
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| 502 | int cnt; |
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| 503 | |
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| 504 | ndirents = scandir (LIBLOCALEDIR, &dirents, select_dirs, alphasort); |
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| 505 | |
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| 506 | for (cnt = 0; cnt < ndirents; ++cnt) { |
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| 507 | add_locale (dirents[cnt]->d_name); |
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| 508 | } |
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| 509 | |
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| 510 | if (ndirents > 0) { |
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| 511 | free (dirents); |
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| 512 | } |
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| 513 | } |
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| 514 | |
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| 515 | static void |
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| 516 | collect_locales (void) |
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| 517 | { |
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| 518 | |
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| 519 | if (gdm_available_locales_map == NULL) { |
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| 520 | gdm_available_locales_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) gdm_locale_free); |
---|
| 521 | } |
---|
| 522 | |
---|
| 523 | if (collect_locales_from_archive ()) { |
---|
| 524 | return; |
---|
| 525 | } else { |
---|
| 526 | g_warning ("Could not read list of available locales from libc, " |
---|
| 527 | "guessing possible locales from available translations, " |
---|
| 528 | "but list may be incomplete!"); |
---|
| 529 | |
---|
| 530 | collect_locales_from_directory (); |
---|
| 531 | } |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | static gboolean |
---|
| 535 | is_fallback_language (const char *code) |
---|
| 536 | { |
---|
| 537 | const char *fallback_language_names[] = { "C", "POSIX", NULL }; |
---|
| 538 | int i; |
---|
| 539 | |
---|
| 540 | for (i = 0; fallback_language_names[i] != NULL; i++) { |
---|
| 541 | if (strcmp (code, fallback_language_names[i]) == 0) { |
---|
| 542 | return TRUE; |
---|
| 543 | } |
---|
| 544 | } |
---|
| 545 | |
---|
| 546 | return FALSE; |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | static const char * |
---|
| 550 | get_language (const char *code) |
---|
| 551 | { |
---|
| 552 | const char *name; |
---|
| 553 | int len; |
---|
| 554 | |
---|
| 555 | g_assert (code != NULL); |
---|
| 556 | |
---|
| 557 | if (is_fallback_language (code)) { |
---|
| 558 | return "Unspecified"; |
---|
| 559 | } |
---|
| 560 | |
---|
| 561 | len = strlen (code); |
---|
| 562 | if (len != 2 && len != 3) { |
---|
| 563 | return NULL; |
---|
| 564 | } |
---|
| 565 | |
---|
| 566 | name = (const char *) g_hash_table_lookup (gdm_languages_map, code); |
---|
| 567 | |
---|
| 568 | return name; |
---|
| 569 | } |
---|
| 570 | |
---|
| 571 | static char * |
---|
| 572 | get_first_item_in_semicolon_list (const char *list) |
---|
| 573 | { |
---|
| 574 | char **items; |
---|
| 575 | char *item; |
---|
| 576 | |
---|
| 577 | /* Some entries in iso codes have multiple values, separated |
---|
| 578 | * by semicolons. Not really sure which one to pick, so |
---|
| 579 | * we just arbitrarily pick the first one. |
---|
| 580 | */ |
---|
| 581 | items = g_strsplit (list, "; ", 2); |
---|
| 582 | |
---|
| 583 | item = g_strdup (items[0]); |
---|
| 584 | g_strfreev (items); |
---|
| 585 | |
---|
| 586 | return item; |
---|
| 587 | } |
---|
| 588 | |
---|
| 589 | static char * |
---|
| 590 | get_translated_language (const char *code, |
---|
| 591 | const char *locale) |
---|
| 592 | { |
---|
| 593 | const char *language; |
---|
| 594 | char *name; |
---|
| 595 | |
---|
| 596 | language = get_language (code); |
---|
| 597 | |
---|
| 598 | name = NULL; |
---|
| 599 | if (language != NULL) { |
---|
| 600 | const char *translated_name; |
---|
| 601 | char *old_locale; |
---|
| 602 | |
---|
| 603 | if (locale != NULL) { |
---|
| 604 | old_locale = g_strdup (setlocale (LC_MESSAGES, NULL)); |
---|
| 605 | setlocale (LC_MESSAGES, locale); |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | if (is_fallback_language (code)) { |
---|
| 609 | name = _("Unspecified"); |
---|
| 610 | } else { |
---|
| 611 | translated_name = dgettext ("iso_639", language); |
---|
| 612 | name = get_first_item_in_semicolon_list (translated_name); |
---|
| 613 | } |
---|
| 614 | |
---|
| 615 | if (locale != NULL) { |
---|
| 616 | setlocale (LC_MESSAGES, old_locale); |
---|
| 617 | g_free (old_locale); |
---|
| 618 | } |
---|
| 619 | } |
---|
| 620 | |
---|
| 621 | return name; |
---|
| 622 | } |
---|
| 623 | |
---|
| 624 | static const char * |
---|
| 625 | get_territory (const char *code) |
---|
| 626 | { |
---|
| 627 | const char *name; |
---|
| 628 | int len; |
---|
| 629 | |
---|
| 630 | g_assert (code != NULL); |
---|
| 631 | |
---|
| 632 | len = strlen (code); |
---|
| 633 | if (len != 2 && len != 3) { |
---|
| 634 | return NULL; |
---|
| 635 | } |
---|
| 636 | |
---|
| 637 | name = (const char *) g_hash_table_lookup (gdm_territories_map, code); |
---|
| 638 | |
---|
| 639 | return name; |
---|
| 640 | } |
---|
| 641 | |
---|
| 642 | static const char * |
---|
| 643 | get_translated_territory (const char *code, |
---|
| 644 | const char *locale) |
---|
| 645 | { |
---|
| 646 | const char *territory; |
---|
| 647 | char *name; |
---|
| 648 | |
---|
| 649 | territory = get_territory (code); |
---|
| 650 | |
---|
| 651 | name = NULL; |
---|
| 652 | if (territory != NULL) { |
---|
| 653 | const char *translated_territory; |
---|
| 654 | char *old_locale; |
---|
| 655 | |
---|
| 656 | if (locale != NULL) { |
---|
| 657 | old_locale = g_strdup (setlocale (LC_MESSAGES, NULL)); |
---|
| 658 | setlocale (LC_MESSAGES, locale); |
---|
| 659 | } |
---|
| 660 | |
---|
| 661 | translated_territory = dgettext ("iso_3166", territory); |
---|
| 662 | name = get_first_item_in_semicolon_list (translated_territory); |
---|
| 663 | |
---|
| 664 | if (locale != NULL) { |
---|
| 665 | setlocale (LC_MESSAGES, old_locale); |
---|
| 666 | g_free (old_locale); |
---|
| 667 | } |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | return name; |
---|
| 671 | } |
---|
| 672 | |
---|
| 673 | static void |
---|
| 674 | languages_parse_start_tag (GMarkupParseContext *ctx, |
---|
| 675 | const char *element_name, |
---|
| 676 | const char **attr_names, |
---|
| 677 | const char **attr_values, |
---|
| 678 | gpointer user_data, |
---|
| 679 | GError **error) |
---|
| 680 | { |
---|
| 681 | const char *ccode_longB; |
---|
| 682 | const char *ccode_longT; |
---|
| 683 | const char *ccode; |
---|
| 684 | const char *lang_name; |
---|
| 685 | |
---|
| 686 | if (! g_str_equal (element_name, "iso_639_entry") || attr_names == NULL || attr_values == NULL) { |
---|
| 687 | return; |
---|
| 688 | } |
---|
| 689 | |
---|
| 690 | ccode = NULL; |
---|
| 691 | ccode_longB = NULL; |
---|
| 692 | ccode_longT = NULL; |
---|
| 693 | lang_name = NULL; |
---|
| 694 | |
---|
| 695 | while (*attr_names && *attr_values) { |
---|
| 696 | if (g_str_equal (*attr_names, "iso_639_1_code")) { |
---|
| 697 | /* skip if empty */ |
---|
| 698 | if (**attr_values) { |
---|
| 699 | if (strlen (*attr_values) != 2) { |
---|
| 700 | return; |
---|
| 701 | } |
---|
| 702 | ccode = *attr_values; |
---|
| 703 | } |
---|
| 704 | } else if (g_str_equal (*attr_names, "iso_639_2B_code")) { |
---|
| 705 | /* skip if empty */ |
---|
| 706 | if (**attr_values) { |
---|
| 707 | if (strlen (*attr_values) != 3) { |
---|
| 708 | return; |
---|
| 709 | } |
---|
| 710 | ccode_longB = *attr_values; |
---|
| 711 | } |
---|
| 712 | } else if (g_str_equal (*attr_names, "iso_639_2T_code")) { |
---|
| 713 | /* skip if empty */ |
---|
| 714 | if (**attr_values) { |
---|
| 715 | if (strlen (*attr_values) != 3) { |
---|
| 716 | return; |
---|
| 717 | } |
---|
| 718 | ccode_longT = *attr_values; |
---|
| 719 | } |
---|
| 720 | } else if (g_str_equal (*attr_names, "name")) { |
---|
| 721 | lang_name = *attr_values; |
---|
| 722 | } |
---|
| 723 | |
---|
| 724 | ++attr_names; |
---|
| 725 | ++attr_values; |
---|
| 726 | } |
---|
| 727 | |
---|
| 728 | if (lang_name == NULL) { |
---|
| 729 | return; |
---|
| 730 | } |
---|
| 731 | |
---|
| 732 | if (ccode != NULL) { |
---|
| 733 | g_hash_table_insert (gdm_languages_map, |
---|
| 734 | g_strdup (ccode), |
---|
| 735 | g_strdup (lang_name)); |
---|
| 736 | } |
---|
| 737 | if (ccode_longB != NULL) { |
---|
| 738 | g_hash_table_insert (gdm_languages_map, |
---|
| 739 | g_strdup (ccode_longB), |
---|
| 740 | g_strdup (lang_name)); |
---|
| 741 | } |
---|
| 742 | if (ccode_longT != NULL) { |
---|
| 743 | g_hash_table_insert (gdm_languages_map, |
---|
| 744 | g_strdup (ccode_longT), |
---|
| 745 | g_strdup (lang_name)); |
---|
| 746 | } |
---|
| 747 | } |
---|
| 748 | |
---|
| 749 | static void |
---|
| 750 | territories_parse_start_tag (GMarkupParseContext *ctx, |
---|
| 751 | const char *element_name, |
---|
| 752 | const char **attr_names, |
---|
| 753 | const char **attr_values, |
---|
| 754 | gpointer user_data, |
---|
| 755 | GError **error) |
---|
| 756 | { |
---|
| 757 | const char *acode_2; |
---|
| 758 | const char *acode_3; |
---|
| 759 | const char *ncode; |
---|
| 760 | const char *territory_common_name; |
---|
| 761 | const char *territory_name; |
---|
| 762 | |
---|
| 763 | if (! g_str_equal (element_name, "iso_3166_entry") || attr_names == NULL || attr_values == NULL) { |
---|
| 764 | return; |
---|
| 765 | } |
---|
| 766 | |
---|
| 767 | acode_2 = NULL; |
---|
| 768 | acode_3 = NULL; |
---|
| 769 | ncode = NULL; |
---|
| 770 | territory_common_name = NULL; |
---|
| 771 | territory_name = NULL; |
---|
| 772 | |
---|
| 773 | while (*attr_names && *attr_values) { |
---|
| 774 | if (g_str_equal (*attr_names, "alpha_2_code")) { |
---|
| 775 | /* skip if empty */ |
---|
| 776 | if (**attr_values) { |
---|
| 777 | if (strlen (*attr_values) != 2) { |
---|
| 778 | return; |
---|
| 779 | } |
---|
| 780 | acode_2 = *attr_values; |
---|
| 781 | } |
---|
| 782 | } else if (g_str_equal (*attr_names, "alpha_3_code")) { |
---|
| 783 | /* skip if empty */ |
---|
| 784 | if (**attr_values) { |
---|
| 785 | if (strlen (*attr_values) != 3) { |
---|
| 786 | return; |
---|
| 787 | } |
---|
| 788 | acode_3 = *attr_values; |
---|
| 789 | } |
---|
| 790 | } else if (g_str_equal (*attr_names, "numeric_code")) { |
---|
| 791 | /* skip if empty */ |
---|
| 792 | if (**attr_values) { |
---|
| 793 | if (strlen (*attr_values) != 3) { |
---|
| 794 | return; |
---|
| 795 | } |
---|
| 796 | ncode = *attr_values; |
---|
| 797 | } |
---|
| 798 | } else if (g_str_equal (*attr_names, "common_name")) { |
---|
| 799 | /* skip if empty */ |
---|
| 800 | if (**attr_values) { |
---|
| 801 | territory_common_name = *attr_values; |
---|
| 802 | } |
---|
| 803 | } else if (g_str_equal (*attr_names, "name")) { |
---|
| 804 | territory_name = *attr_values; |
---|
| 805 | } |
---|
| 806 | |
---|
| 807 | ++attr_names; |
---|
| 808 | ++attr_values; |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | if (territory_common_name != NULL) { |
---|
| 812 | territory_name = territory_common_name; |
---|
| 813 | } |
---|
| 814 | |
---|
| 815 | if (territory_name == NULL) { |
---|
| 816 | return; |
---|
| 817 | } |
---|
| 818 | |
---|
| 819 | if (acode_2 != NULL) { |
---|
| 820 | g_hash_table_insert (gdm_territories_map, |
---|
| 821 | g_strdup (acode_2), |
---|
| 822 | g_strdup (territory_name)); |
---|
| 823 | } |
---|
| 824 | if (acode_3 != NULL) { |
---|
| 825 | g_hash_table_insert (gdm_territories_map, |
---|
| 826 | g_strdup (acode_3), |
---|
| 827 | g_strdup (territory_name)); |
---|
| 828 | } |
---|
| 829 | if (ncode != NULL) { |
---|
| 830 | g_hash_table_insert (gdm_territories_map, |
---|
| 831 | g_strdup (ncode), |
---|
| 832 | g_strdup (territory_name)); |
---|
| 833 | } |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | static void |
---|
| 837 | languages_init (void) |
---|
| 838 | { |
---|
| 839 | GError *error; |
---|
| 840 | gboolean res; |
---|
| 841 | char *buf; |
---|
| 842 | gsize buf_len; |
---|
| 843 | |
---|
| 844 | bindtextdomain ("iso_639", ISO_CODES_LOCALESDIR); |
---|
| 845 | bind_textdomain_codeset ("iso_639", "UTF-8"); |
---|
| 846 | |
---|
| 847 | gdm_languages_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); |
---|
| 848 | |
---|
| 849 | error = NULL; |
---|
| 850 | res = g_file_get_contents (ISO_CODES_DATADIR "/iso_639.xml", |
---|
| 851 | &buf, |
---|
| 852 | &buf_len, |
---|
| 853 | &error); |
---|
| 854 | if (res) { |
---|
| 855 | GMarkupParseContext *ctx; |
---|
| 856 | GMarkupParser parser = { languages_parse_start_tag, NULL, NULL, NULL, NULL }; |
---|
| 857 | |
---|
| 858 | ctx = g_markup_parse_context_new (&parser, 0, NULL, NULL); |
---|
| 859 | |
---|
| 860 | error = NULL; |
---|
| 861 | res = g_markup_parse_context_parse (ctx, buf, buf_len, &error); |
---|
| 862 | |
---|
| 863 | if (! res) { |
---|
| 864 | g_warning ("Failed to parse '%s': %s\n", |
---|
| 865 | ISO_CODES_DATADIR "/iso_639.xml", |
---|
| 866 | error->message); |
---|
| 867 | g_error_free (error); |
---|
| 868 | } |
---|
| 869 | |
---|
| 870 | g_markup_parse_context_free (ctx); |
---|
| 871 | g_free (buf); |
---|
| 872 | } else { |
---|
| 873 | g_warning ("Failed to load '%s': %s\n", |
---|
| 874 | ISO_CODES_DATADIR "/iso_639.xml", |
---|
| 875 | error->message); |
---|
| 876 | g_error_free (error); |
---|
| 877 | } |
---|
| 878 | } |
---|
| 879 | |
---|
| 880 | static void |
---|
| 881 | territories_init (void) |
---|
| 882 | { |
---|
| 883 | GError *error; |
---|
| 884 | gboolean res; |
---|
| 885 | char *buf; |
---|
| 886 | gsize buf_len; |
---|
| 887 | |
---|
| 888 | bindtextdomain ("iso_3166", ISO_CODES_LOCALESDIR); |
---|
| 889 | bind_textdomain_codeset ("iso_3166", "UTF-8"); |
---|
| 890 | |
---|
| 891 | gdm_territories_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); |
---|
| 892 | |
---|
| 893 | error = NULL; |
---|
| 894 | res = g_file_get_contents (ISO_CODES_DATADIR "/iso_3166.xml", |
---|
| 895 | &buf, |
---|
| 896 | &buf_len, |
---|
| 897 | &error); |
---|
| 898 | if (res) { |
---|
| 899 | GMarkupParseContext *ctx; |
---|
| 900 | GMarkupParser parser = { territories_parse_start_tag, NULL, NULL, NULL, NULL }; |
---|
| 901 | |
---|
| 902 | ctx = g_markup_parse_context_new (&parser, 0, NULL, NULL); |
---|
| 903 | |
---|
| 904 | error = NULL; |
---|
| 905 | res = g_markup_parse_context_parse (ctx, buf, buf_len, &error); |
---|
| 906 | |
---|
| 907 | if (! res) { |
---|
| 908 | g_warning ("Failed to parse '%s': %s\n", |
---|
| 909 | ISO_CODES_DATADIR "/iso_3166.xml", |
---|
| 910 | error->message); |
---|
| 911 | g_error_free (error); |
---|
| 912 | } |
---|
| 913 | |
---|
| 914 | g_markup_parse_context_free (ctx); |
---|
| 915 | g_free (buf); |
---|
| 916 | } else { |
---|
| 917 | g_warning ("Failed to load '%s': %s\n", |
---|
| 918 | ISO_CODES_DATADIR "/iso_3166.xml", |
---|
| 919 | error->message); |
---|
| 920 | g_error_free (error); |
---|
| 921 | } |
---|
| 922 | } |
---|
| 923 | |
---|
| 924 | char * |
---|
| 925 | gdm_get_language_from_name (const char *name, |
---|
| 926 | const char *locale) |
---|
| 927 | { |
---|
| 928 | char *full_language; |
---|
| 929 | char *language_code; |
---|
| 930 | char *territory_code; |
---|
| 931 | const char *language; |
---|
| 932 | const char *territory; |
---|
| 933 | |
---|
| 934 | if (gdm_languages_map == NULL) { |
---|
| 935 | languages_init (); |
---|
| 936 | } |
---|
| 937 | |
---|
| 938 | if (gdm_territories_map == NULL) { |
---|
| 939 | territories_init (); |
---|
| 940 | } |
---|
| 941 | |
---|
| 942 | language_code = NULL; |
---|
| 943 | territory_code = NULL; |
---|
| 944 | full_language = NULL; |
---|
| 945 | |
---|
| 946 | gdm_parse_language_name (name, &language_code, &territory_code, |
---|
| 947 | NULL, NULL); |
---|
| 948 | |
---|
| 949 | if (language_code == NULL) { |
---|
| 950 | goto out; |
---|
| 951 | } |
---|
| 952 | |
---|
| 953 | language = get_translated_language (language_code, locale); |
---|
| 954 | |
---|
| 955 | if (territory_code != NULL) { |
---|
| 956 | territory = get_translated_territory (territory_code, locale); |
---|
| 957 | } else { |
---|
| 958 | territory = NULL; |
---|
| 959 | } |
---|
| 960 | |
---|
| 961 | if (territory != NULL) { |
---|
| 962 | full_language = g_strdup_printf ("%s (%s)", |
---|
| 963 | language ? language : "", |
---|
| 964 | territory ? territory : ""); |
---|
| 965 | } else { |
---|
| 966 | full_language = g_strdup (language); |
---|
| 967 | } |
---|
| 968 | |
---|
| 969 | out: |
---|
| 970 | g_free (language_code); |
---|
| 971 | g_free (territory_code); |
---|
| 972 | |
---|
| 973 | return full_language; |
---|
| 974 | } |
---|
| 975 | |
---|
| 976 | char ** |
---|
| 977 | gdm_get_all_language_names (void) |
---|
| 978 | { |
---|
| 979 | GHashTableIter iter; |
---|
| 980 | gpointer key, value; |
---|
| 981 | GPtrArray *array; |
---|
| 982 | |
---|
| 983 | if (gdm_available_locales_map == NULL) { |
---|
| 984 | collect_locales (); |
---|
| 985 | } |
---|
| 986 | |
---|
| 987 | array = g_ptr_array_new (); |
---|
| 988 | g_hash_table_iter_init (&iter, gdm_available_locales_map); |
---|
| 989 | while (g_hash_table_iter_next (&iter, &key, &value)) { |
---|
| 990 | GdmLocale *locale; |
---|
| 991 | |
---|
| 992 | locale = (GdmLocale *) value; |
---|
| 993 | |
---|
| 994 | g_ptr_array_add (array, g_strdup (locale->name)); |
---|
| 995 | } |
---|
| 996 | g_ptr_array_add (array, NULL); |
---|
| 997 | |
---|
| 998 | return (char **) g_ptr_array_free (array, FALSE); |
---|
| 999 | } |
---|