From ecf2fbdb7cbad7f8e7dfef8efcbce82308739c02 Mon Sep 17 00:00:00 2001
From: yetist <xiaotian.wu@i-soft.com.cn>
Date: Sat, 16 Jun 2018 22:49:57 +0800
Subject: add mate-language apis
---
configure.ac | 5 +-
docs/reference/mate-desktop/mate-desktop-docs.sgml | 5 +
.../mate-desktop/mate-desktop-sections.txt | 13 +
libmate-desktop/Makefile.am | 3 +
libmate-desktop/mate-languages.c | 1298 ++++++++++++++++++++
libmate-desktop/mate-languages.h | 51 +
6 files changed, 1374 insertions(+), 1 deletion(-)
create mode 100644 libmate-desktop/mate-languages.c
create mode 100644 libmate-desktop/mate-languages.h
diff --git a/configure.ac b/configure.ac
index 2528b4f..3dbd1da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -187,7 +187,10 @@ AC_SUBST(RANDR_PACKAGE)
dnl pkg-config dependency checks
-PKG_CHECK_MODULES(MATE_DESKTOP, gdk-pixbuf-2.0 gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED gio-2.0 >= $GIO_REQUIRED $STARTUP_NOTIFICATION_PACKAGE $RANDR_PACKAGE)
+PKG_CHECK_MODULES(MATE_DESKTOP, gdk-pixbuf-2.0 gtk+-3.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED gio-2.0 >= $GIO_REQUIRED $STARTUP_NOTIFICATION_PACKAGE $RANDR_PACKAGE iso-codes)
+
+ISO_CODES_PREFIX=$($PKG_CONFIG --variable prefix iso-codes)
+AC_SUBST(ISO_CODES_PREFIX)
PKG_CHECK_MODULES(MATE_ABOUT, gtk+-3.0 >= $GTK_REQUIRED)
AC_SUBST(MATE_ABOUT_CFLAGS)
diff --git a/docs/reference/mate-desktop/mate-desktop-docs.sgml b/docs/reference/mate-desktop/mate-desktop-docs.sgml
index 99809bf..a629d8c 100644
--- a/docs/reference/mate-desktop/mate-desktop-docs.sgml
+++ b/docs/reference/mate-desktop/mate-desktop-docs.sgml
@@ -36,6 +36,11 @@ The libmate-desktop library contains APIs that can be useful for a few applicati
<xi:include href="xml/mate-desktop-thumbnail.xml"/>
</part>
+ <part id="languages">
+ <title>Language Utilities</title>
+ <xi:include href="xml/mate-languages.xml"/>
+ </part>
+
<part id="libmate">
<title>Miscellaneous</title>
<xi:include href="xml/mate-desktop-item.xml"/>
diff --git a/docs/reference/mate-desktop/mate-desktop-sections.txt b/docs/reference/mate-desktop/mate-desktop-sections.txt
index ceb33ec..4236916 100644
--- a/docs/reference/mate-desktop/mate-desktop-sections.txt
+++ b/docs/reference/mate-desktop/mate-desktop-sections.txt
@@ -268,6 +268,19 @@ MATE_DESKTOP_IS_THUMBNAIL_FACTORY_CLASS
MateDesktopThumbnailFactoryClass
</SECTION>
+<SECTION>
+<FILE>mate-languages</FILE>
+<TITLE>Language Utilities</TITLE>
+mate_get_all_locales
+mate_get_country_from_code
+mate_get_country_from_locale
+mate_get_language_from_code
+mate_get_language_from_locale
+mate_normalize_locale
+mate_parse_locale
+mate_language_has_translations
+</SECTION>
+
<SECTION>
<INCLUDE>mate-desktop-utils.h</INCLUDE>
<FILE>mate-desktop-utils</FILE>
diff --git a/libmate-desktop/Makefile.am b/libmate-desktop/Makefile.am
index d6f5d80..1564e89 100644
--- a/libmate-desktop/Makefile.am
+++ b/libmate-desktop/Makefile.am
@@ -9,6 +9,7 @@ libmate_desktop_HEADERS = \
mate-bg-crossfade.h \
mate-desktop-thumbnail.h \
mate-rr.h \
+ mate-languages.h \
mate-rr-config.h \
mate-rr-labeler.h \
mate-colorbutton.h \
@@ -24,6 +25,7 @@ AM_CPPFLAGS = \
-DG_LOG_DOMAIN=\"MateDesktop\" \
-DMATELOCALEDIR=\""$(prefix)/$(DATADIRNAME)/locale\"" \
-DPNP_IDS=\""$(PNP_IDS)"\" \
+ -DISO_CODES_PREFIX=\""$(ISO_CODES_PREFIX)"\" \
$(DISABLE_DEPRECATED_CFLAGS)
AM_CFLAGS = $(WARN_CFLAGS)
@@ -42,6 +44,7 @@ introspection_sources = \
mate-bg-crossfade.c \
display-name.c \
mate-rr.c \
+ mate-languages.c \
mate-rr-config.c \
mate-rr-output-info.c \
mate-rr-labeler.c \
diff --git a/libmate-desktop/mate-languages.c b/libmate-desktop/mate-languages.c
new file mode 100644
index 0000000..865c5ca
--- /dev/null
+++ b/libmate-desktop/mate-languages.c
@@ -0,0 +1,1298 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright 2008 Red Hat, Inc,
+ * 2007 William Jon McCann <mccann@jhu.edu>
+ *
+ * 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; either 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/>.
+ *
+ * Written by : William Jon McCann <mccann@jhu.edu>
+ * Ray Strode <rstrode@redhat.com>
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <dirent.h>
+#include <locale.h>
+#include <langinfo.h>
+#include <sys/stat.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+
+#define MATE_DESKTOP_USE_UNSTABLE_API
+#include "mate-languages.h"
+
+#include <langinfo.h>
+#ifndef __LC_LAST
+#define __LC_LAST 13
+#endif
+
+#define ISO_CODES_DATADIR ISO_CODES_PREFIX "/share/xml/iso-codes"
+#define ISO_CODES_LOCALESDIR ISO_CODES_PREFIX "/share/locale"
+
+typedef struct _MateLocale {
+ char *id;
+ char *name;
+ char *language_code;
+ char *territory_code;
+ char *codeset;
+ char *modifier;
+} MateLocale;
+
+static GHashTable *mate_languages_map;
+static GHashTable *mate_territories_map;
+static GHashTable *mate_available_locales_map;
+static GHashTable *mate_language_count_map;
+static GHashTable *mate_territory_count_map;
+
+static char * construct_language_name (const char *language,
+ const char *territory,
+ const char *codeset,
+ const char *modifier);
+
+static gboolean language_name_is_valid (const char *language_name);
+
+static void
+mate_locale_free (MateLocale *locale)
+{
+ if (locale == NULL) {
+ return;
+ }
+
+ g_free (locale->id);
+ g_free (locale->name);
+ g_free (locale->codeset);
+ g_free (locale->modifier);
+ g_free (locale->language_code);
+ g_free (locale->territory_code);
+ g_free (locale);
+}
+
+static char *
+normalize_codeset (const char *codeset)
+{
+ if (codeset == NULL)
+ return NULL;
+
+ if (g_str_equal (codeset, "UTF-8") ||
+ g_str_equal (codeset, "utf8"))
+ return g_strdup ("UTF-8");
+
+ return g_strdup (codeset);
+}
+
+/**
+ * mate_parse_locale:
+ * @locale: a locale string
+ * @language_codep: (out) (allow-none) (transfer full): location to
+ * store the language code, or %NULL
+ * @country_codep: (out) (allow-none) (transfer full): location to
+ * store the country code, or %NULL
+ * @codesetp: (out) (allow-none) (transfer full): location to
+ * store the codeset, or %NULL
+ * @modifierp: (out) (allow-none) (transfer full): location to
+ * store the modifier, or %NULL
+ *
+ * Extracts the various components of a locale string of the form
+ * [language[_country][.codeset][@modifier]]. See
+ * http://en.wikipedia.org/wiki/Locale.
+ *
+ * Return value: %TRUE if parsing was successful.
+ *
+ * Since: 1.22
+ */
+gboolean
+mate_parse_locale (const char *locale,
+ char **language_codep,
+ char **country_codep,
+ char **codesetp,
+ char **modifierp)
+{
+ static GRegex *re = NULL;
+ GMatchInfo *match_info;
+ gboolean res;
+ gchar *normalized_codeset = NULL;
+ gchar *normalized_name = NULL;
+ gboolean retval;
+
+ match_info = NULL;
+ retval = FALSE;
+
+ if (re == NULL) {
+ GError *error = NULL;
+ re = g_regex_new ("^(?P<language>[^_.@[:space:]]+)"
+ "(_(?P<territory>[[:upper:]]+))?"
+ "(\\.(?P<codeset>[-_0-9a-zA-Z]+))?"
+ "(@(?P<modifier>[[:ascii:]]+))?$",
+ 0, 0, &error);
+ if (re == NULL) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ goto out;
+ }
+ }
+
+ if (!g_regex_match (re, locale, 0, &match_info) ||
+ g_match_info_is_partial_match (match_info)) {
+ g_warning ("locale '%s' isn't valid\n", locale);
+ goto out;
+ }
+
+ res = g_match_info_matches (match_info);
+ if (! res) {
+ g_warning ("Unable to parse locale: %s", locale);
+ goto out;
+ }
+
+ retval = TRUE;
+
+ if (language_codep != NULL) {
+ *language_codep = g_match_info_fetch_named (match_info, "language");
+ }
+
+ if (country_codep != NULL) {
+ *country_codep = g_match_info_fetch_named (match_info, "territory");
+
+ if (*country_codep != NULL &&
+ *country_codep[0] == '\0') {
+ g_free (*country_codep);
+ *country_codep = NULL;
+ }
+ }
+
+ if (codesetp != NULL) {
+ *codesetp = g_match_info_fetch_named (match_info, "codeset");
+
+ if (*codesetp != NULL &&
+ *codesetp[0] == '\0') {
+ g_free (*codesetp);
+ *codesetp = NULL;
+ }
+ }
+
+ if (modifierp != NULL) {
+ *modifierp = g_match_info_fetch_named (match_info, "modifier");
+
+ if (*modifierp != NULL &&
+ *modifierp[0] == '\0') {
+ g_free (*modifierp);
+ *modifierp = NULL;
+ }
+ }
+
+ if (codesetp != NULL && *codesetp != NULL) {
+ normalized_codeset = normalize_codeset (*codesetp);
+ normalized_name = construct_language_name (language_codep ? *language_codep : NULL,
+ country_codep ? *country_codep : NULL,
+ normalized_codeset,
+ modifierp ? *modifierp : NULL);
+
+ if (language_name_is_valid (normalized_name)) {
+ g_free (*codesetp);
+ *codesetp = normalized_codeset;
+ } else {
+ g_free (normalized_codeset);
+ }
+ g_free (normalized_name);
+ }
+
+ out:
+ g_match_info_free (match_info);
+
+ return retval;
+}
+
+static char *
+construct_language_name (const char *language,
+ const char *territory,
+ const char *codeset,
+ const char *modifier)
+{
+ char *name;
+
+ g_assert (language != NULL && language[0] != 0);
+ g_assert (territory == NULL || territory[0] != 0);
+ g_assert (codeset == NULL || codeset[0] != 0);
+ g_assert (modifier == NULL || modifier[0] != 0);
+
+ name = g_strdup_printf ("%s%s%s%s%s%s%s",
+ language,
+ territory != NULL? "_" : "",
+ territory != NULL? territory : "",
+ codeset != NULL? "." : "",
+ codeset != NULL? codeset : "",
+ modifier != NULL? "@" : "",
+ modifier != NULL? modifier : "");
+
+ return name;
+}
+
+/**
+ * mate_normalize_locale:
+ * @locale: a locale string
+ *
+ * Gets the normalized locale string in the form
+ * [language[_country][.codeset][@modifier]] for @name.
+ *
+ * Return value: (transfer full): normalized locale string. Caller
+ * takes ownership.
+ *
+ * Since: 1.22
+ */
+char *
+mate_normalize_locale (const char *locale)
+{
+ char *normalized_name;
+ gboolean valid;
+ g_autofree char *language_code = NULL;
+ g_autofree char *territory_code = NULL;
+ g_autofree char *codeset = NULL;
+ g_autofree char *modifier = NULL;
+
+ if (locale[0] == '\0') {
+ return NULL;
+ }
+
+ valid = mate_parse_locale (locale,
+ &language_code,
+ &territory_code,
+ &codeset, &modifier);
+ if (!valid)
+ return NULL;
+
+ normalized_name = construct_language_name (language_code,
+ territory_code,
+ codeset, modifier);
+ return normalized_name;
+}
+
+static gboolean
+language_name_is_valid (const char *language_name)
+{
+ gboolean is_valid;
+ int lc_type_id = LC_MESSAGES;
+ g_autofree char *old_locale = NULL;
+
+ old_locale = g_strdup (setlocale (lc_type_id, NULL));
+ is_valid = setlocale (lc_type_id, language_name) != NULL;
+ setlocale (lc_type_id, old_locale);
+
+ return is_valid;
+}
+
+static void
+language_name_get_codeset_details (const char *language_name,
+ char **pcodeset,
+ gboolean *is_utf8)
+{
+ g_autofree char *old_locale = NULL;
+ g_autofree char *codeset = NULL;
+
+ old_locale = g_strdup (setlocale (LC_CTYPE, NULL));
+
+ if (setlocale (LC_CTYPE, language_name) == NULL)
+ return;
+
+ codeset = nl_langinfo (CODESET);
+
+ if (pcodeset != NULL) {
+ *pcodeset = g_strdup (codeset);
+ }
+
+ if (is_utf8 != NULL) {
+ codeset = normalize_codeset (codeset);
+
+ *is_utf8 = strcmp (codeset, "UTF-8") == 0;
+ }
+
+ setlocale (LC_CTYPE, old_locale);
+}
+
+/**
+ * mate_language_has_translations:
+ * @code: an ISO 639 code string
+ *
+ * Returns %TRUE if there are translations for language @code.
+ *
+ * Return value: %TRUE if there are translations for language @code.
+ *
+ * Since: 1.22
+ */
+gboolean
+mate_language_has_translations (const char *code)
+{
+ GDir *dir;
+ const char *name;
+ gboolean has_translations;
+ g_autofree char *path = NULL;
+
+ path = g_build_filename (MATELOCALEDIR, code, "LC_MESSAGES", NULL);
+
+ has_translations = FALSE;
+ dir = g_dir_open (path, 0, NULL);
+
+ if (dir == NULL) {
+ goto out;
+ }
+
+ do {
+ name = g_dir_read_name (dir);
+
+ if (name == NULL) {
+ break;
+ }
+
+ if (g_str_has_suffix (name, ".mo")) {
+ has_translations = TRUE;
+ break;
+ }
+ } while (name != NULL);
+ g_dir_close (dir);
+
+ out:
+ return has_translations;
+}
+
+static gboolean
+add_locale (const char *language_name,
+ gboolean utf8_only)
+{
+ MateLocale *locale;
+ MateLocale *old_locale;
+ g_autofree char *name = NULL;
+ gboolean is_utf8 = FALSE;
+ gboolean valid = FALSE;
+
+ g_return_val_if_fail (language_name != NULL, FALSE);
+ g_return_val_if_fail (*language_name != '\0', FALSE);
+
+ language_name_get_codeset_details (language_name, NULL, &is_utf8);
+
+ if (is_utf8) {
+ name = g_strdup (language_name);
+ } else if (utf8_only) {
+
+ if (strchr (language_name, '.'))
+ return FALSE;
+
+ /* If the locale name has no dot, assume that its
+ * encoding part is missing and try again after adding
+ * ".UTF-8". This catches locale names like "de_DE".
+ */
+ name = g_strdup_printf ("%s.UTF-8", language_name);
+
+ language_name_get_codeset_details (name, NULL, &is_utf8);
+ if (!is_utf8)
+ return FALSE;
+ } else {
+ name = g_strdup (language_name);
+ }
+
+ if (!language_name_is_valid (name)) {
+ g_debug ("Ignoring '%s' as a locale, since it's invalid", name);
+ return FALSE;
+ }
+
+ locale = g_new0 (MateLocale, 1);
+ valid = mate_parse_locale (name,
+ &locale->language_code,
+ &locale->territory_code,
+ &locale->codeset,
+ &locale->modifier);
+ if (!valid) {
+ mate_locale_free (locale);
+ return FALSE;
+ }
+
+ locale->id = construct_language_name (locale->language_code, locale->territory_code,
+ NULL, locale->modifier);
+ locale->name = construct_language_name (locale->language_code, locale->territory_code,
+ locale->codeset, locale->modifier);
+
+ if (!mate_language_has_translations (locale->name) &&
+ !mate_language_has_translations (locale->id) &&
+ !mate_language_has_translations (locale->language_code) &&
+ utf8_only) {
+ g_debug ("Ignoring '%s' as a locale, since it lacks translations", locale->name);
+ mate_locale_free (locale);
+ return FALSE;
+ }
+
+ if (!utf8_only) {
+ g_free (locale->id);
+ locale->id = g_strdup (locale->name);
+ }
+
+ old_locale = g_hash_table_lookup (mate_available_locales_map, locale->id);
+ if (old_locale != NULL) {
+ if (strlen (old_locale->name) > strlen (locale->name)) {
+ mate_locale_free (locale);
+ return FALSE;
+ }
+ }
+
+ g_hash_table_insert (mate_available_locales_map, g_strdup (locale->id), locale);
+
+ return TRUE;
+}
+
+static int
+select_dirs (const struct dirent *dirent)
+{
+ int result = 0;
+
+ if (strcmp (dirent->d_name, ".") != 0 && strcmp (dirent->d_name, "..") != 0) {
+ mode_t mode = 0;
+
+#ifdef _DIRENT_HAVE_D_TYPE
+ if (dirent->d_type != DT_UNKNOWN && dirent->d_type != DT_LNK) {
+ mode = DTTOIF (dirent->d_type);
+ } else
+#endif
+ {
+ struct stat st;
+ g_autofree char *path = NULL;
+
+ path = g_build_filename (MATELOCALEDIR, dirent->d_name, NULL);
+ if (g_stat (path, &st) == 0) {
+ mode = st.st_mode;
+ }
+ }
+
+ result = S_ISDIR (mode);
+ }
+
+ return result;
+}
+
+static gboolean
+collect_locales_from_directory (void)
+{
+ gboolean found_locales = FALSE;
+ struct dirent **dirents;
+ int ndirents;
+ int cnt;
+
+ ndirents = scandir (MATELOCALEDIR, &dirents, select_dirs, alphasort);
+
+ for (cnt = 0; cnt < ndirents; ++cnt) {
+ if (add_locale (dirents[cnt]->d_name, TRUE))
+ found_locales = TRUE;
+ }
+
+ if (ndirents > 0) {
+ free (dirents);
+ }
+ return found_locales;
+}
+
+static gboolean
+collect_locales_from_localebin (void)
+{
+ gboolean found_locales = FALSE;
+ const gchar *argv[] = { "locale", "-a", NULL };
+ gchar **linep;
+ g_auto (GStrv) lines = NULL;
+ g_autofree gchar *output = NULL;
+
+ if (g_spawn_sync (NULL, (gchar **) argv, NULL,
+ G_SPAWN_SEARCH_PATH|G_SPAWN_STDERR_TO_DEV_NULL,
+ NULL, NULL, &output, NULL, NULL, NULL) == FALSE)
+ return FALSE;
+
+ g_return_val_if_fail (output != NULL, FALSE);
+
+ lines = g_strsplit (output, "\n", 0);
+ if (lines) {
+ linep = lines;
+ while (*linep) {
+ if (*linep[0] && add_locale (*linep, TRUE))
+ found_locales = TRUE;
+ linep++;
+ }
+ }
+
+ return found_locales;
+}
+
+static void
+count_languages_and_territories (void)
+{
+ gpointer value;
+ GHashTableIter iter;
+
+ mate_language_count_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+ mate_territory_count_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+
+ g_hash_table_iter_init (&iter, mate_available_locales_map);
+ while (g_hash_table_iter_next (&iter, NULL, &value)) {
+ MateLocale *locale;
+
+ locale = (MateLocale *) value;
+
+ if (locale->language_code != NULL) {
+ int count;
+
+ count = GPOINTER_TO_INT (g_hash_table_lookup (mate_language_count_map, locale->language_code));
+ count++;
+ g_hash_table_insert (mate_language_count_map, g_strdup (locale->language_code), GINT_TO_POINTER (count));
+ }
+
+ if (locale->territory_code != NULL) {
+ int count;
+
+ count = GPOINTER_TO_INT (g_hash_table_lookup (mate_territory_count_map, locale->territory_code));
+ count++;
+ g_hash_table_insert (mate_territory_count_map, g_strdup (locale->territory_code), GINT_TO_POINTER (count));
+ }
+ }
+}
+
+static void
+collect_locales (void)
+{
+ gboolean found_localebin_locales = FALSE;
+ gboolean found_dir_locales = FALSE;
+
+ if (mate_available_locales_map == NULL) {
+ mate_available_locales_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) mate_locale_free);
+ }
+
+ found_localebin_locales = collect_locales_from_localebin ();
+
+ found_dir_locales = collect_locales_from_directory ();
+
+ if (!(found_localebin_locales || found_dir_locales)) {
+ g_warning ("Could not read list of available locales from libc, "
+ "guessing possible locales from available translations, "
+ "but list may be incomplete!");
+ }
+
+ count_languages_and_territories ();
+}
+
+static gint
+get_language_count (const char *language)
+{
+ if (mate_language_count_map == NULL) {
+ collect_locales ();
+ }
+
+ return GPOINTER_TO_INT (g_hash_table_lookup (mate_language_count_map, language));
+}
+
+static gboolean
+is_unique_language (const char *language)
+{
+ return get_language_count (language) == 1;
+}
+
+static gint
+get_territory_count (const char *territory)
+{
+ if (mate_territory_count_map == NULL) {
+ collect_locales ();
+ }
+
+ return GPOINTER_TO_INT (g_hash_table_lookup (mate_territory_count_map, territory));
+}
+
+static gboolean
+is_unique_territory (const char *territory)
+{
+ return get_territory_count (territory) == 1;
+}
+
+static gboolean
+is_fallback_language (const char *code)
+{
+ const char *fallback_language_names[] = { "C", "POSIX", NULL };
+ int i;
+
+ for (i = 0; fallback_language_names[i] != NULL; i++) {
+ if (strcmp (code, fallback_language_names[i]) == 0) {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+static const char *
+get_language (const char *code)
+{
+ const char *name;
+ int len;
+
+ g_assert (code != NULL);
+
+ if (is_fallback_language (code)) {
+ return "Unspecified";
+ }
+
+ len = strlen (code);
+ if (len != 2 && len != 3) {
+ return NULL;
+ }
+
+ name = (const char *) g_hash_table_lookup (mate_languages_map, code);
+
+ return name;
+}
+
+static char *
+get_first_item_in_semicolon_list (const char *list)
+{
+ char **items;
+ char *item;
+
+ /* Some entries in iso codes have multiple values, separated
+ * by semicolons. Not really sure which one to pick, so
+ * we just arbitrarily pick the first one.
+ */
+ items = g_strsplit (list, "; ", 2);
+
+ item = g_strdup (items[0]);
+ g_strfreev (items);
+
+ return item;
+}
+
+static char *
+capitalize_utf8_string (const char *str)
+{
+ char first[8] = { 0 };
+
+ if (!str)
+ return NULL;
+
+ g_unichar_to_utf8 (g_unichar_totitle (g_utf8_get_char (str)), first);
+
+ return g_strconcat (first, g_utf8_offset_to_pointer (str, 1), NULL);
+}
+
+static char *
+get_translated_language (const char *code,
+ const char *locale)
+{
+ const char *language;
+ char *name;
+
+ language = get_language (code);
+
+ name = NULL;
+ if (language != NULL) {
+ const char *translated_name;
+ g_autofree char *old_locale = NULL;
+
+ if (locale != NULL) {
+ old_locale = g_strdup (setlocale (LC_MESSAGES, NULL));
+ setlocale (LC_MESSAGES, locale);
+ }
+
+ if (is_fallback_language (code)) {
+ name = g_strdup (_("Unspecified"));
+ } else {
+ g_autofree char *tmp = NULL;
+ translated_name = dgettext ("iso_639", language);
+ tmp = get_first_item_in_semicolon_list (translated_name);
+ name = capitalize_utf8_string (tmp);
+ }
+
+ if (locale != NULL) {
+ setlocale (LC_MESSAGES, old_locale);
+ }
+ }
+
+ return name;
+}
+
+static const char *
+get_territory (const char *code)
+{
+ const char *name;
+ int len;
+
+ g_assert (code != NULL);
+
+ len = strlen (code);
+ if (len != 2 && len != 3) {
+ return NULL;
+ }
+
+ name = (const char *) g_hash_table_lookup (mate_territories_map, code);
+
+ return name;
+}
+
+static char *
+get_translated_territory (const char *code,
+ const char *locale)
+{
+ const char *territory;
+ char *name;
+
+ territory = get_territory (code);
+
+ name = NULL;
+ if (territory != NULL) {
+ const char *translated_territory;
+ g_autofree char *old_locale = NULL;
+ g_autofree char *tmp = NULL;
+
+ if (locale != NULL) {
+ old_locale = g_strdup (setlocale (LC_MESSAGES, NULL));
+ setlocale (LC_MESSAGES, locale);
+ }
+
+ translated_territory = dgettext ("iso_3166", territory);
+ tmp = get_first_item_in_semicolon_list (translated_territory);
+ name = capitalize_utf8_string (tmp);
+
+ if (locale != NULL) {
+ setlocale (LC_MESSAGES, old_locale);
+ }
+ }
+
+ return name;
+}
+
+static void
+languages_parse_start_tag (GMarkupParseContext *ctx,
+ const char *element_name,
+ const char **attr_names,
+ const char **attr_values,
+ gpointer user_data,
+ GError **error)
+{
+ const char *ccode_longB;
+ const char *ccode_longT;
+ const char *ccode;
+ const char *ccode_id;
+ const char *lang_name;
+
+ if (! (g_str_equal (element_name, "iso_639_entry") || g_str_equal (element_name, "iso_639_3_entry"))
+ || attr_names == NULL || attr_values == NULL) {
+ return;
+ }
+
+ ccode = NULL;
+ ccode_longB = NULL;
+ ccode_longT = NULL;
+ ccode_id = NULL;
+ lang_name = NULL;
+
+ while (*attr_names && *attr_values) {
+ if (g_str_equal (*attr_names, "iso_639_1_code")) {
+ /* skip if empty */
+ if (**attr_values) {
+ if (strlen (*attr_values) != 2) {
+ return;
+ }
+ ccode = *attr_values;
+ }
+ } else if (g_str_equal (*attr_names, "iso_639_2B_code")) {
+ /* skip if empty */
+ if (**attr_values) {
+ if (strlen (*attr_values) != 3) {
+ return;
+ }
+ ccode_longB = *attr_values;
+ }
+ } else if (g_str_equal (*attr_names, "iso_639_2T_code")) {
+ /* skip if empty */
+ if (**attr_values) {
+ if (strlen (*attr_values) != 3) {
+ return;
+ }
+ ccode_longT = *attr_values;
+ }
+ } else if (g_str_equal (*attr_names, "id")) {
+ /* skip if empty */
+ if (**attr_values) {
+ if (strlen (*attr_values) != 2 &&
+ strlen (*attr_values) != 3) {
+ return;
+ }
+ ccode_id = *attr_values;
+ }
+ } else if (g_str_equal (*attr_names, "name")) {
+ lang_name = *attr_values;
+ }
+
+ ++attr_names;
+ ++attr_values;
+ }
+
+ if (lang_name == NULL) {
+ return;
+ }
+
+ if (ccode != NULL) {
+ g_hash_table_insert (mate_languages_map,
+ g_strdup (ccode),
+ g_strdup (lang_name));
+ }
+ if (ccode_longB != NULL) {
+ g_hash_table_insert (mate_languages_map,
+ g_strdup (ccode_longB),
+ g_strdup (lang_name));
+ }
+ if (ccode_longT != NULL) {
+ g_hash_table_insert (mate_languages_map,
+ g_strdup (ccode_longT),
+ g_strdup (lang_name));
+ }
+ if (ccode_id != NULL) {
+ g_hash_table_insert (mate_languages_map,
+ g_strdup (ccode_id),
+ g_strdup (lang_name));
+ }
+}
+
+static void
+territories_parse_start_tag (GMarkupParseContext *ctx,
+ const char *element_name,
+ const char **attr_names,
+ const char **attr_values,
+ gpointer user_data,
+ GError **error)
+{
+ const char *acode_2;
+ const char *acode_3;
+ const char *ncode;
+ const char *territory_common_name;
+ const char *territory_name;
+
+ if (! g_str_equal (element_name, "iso_3166_entry") || attr_names == NULL || attr_values == NULL) {
+ return;
+ }
+
+ acode_2 = NULL;
+ acode_3 = NULL;
+ ncode = NULL;
+ territory_common_name = NULL;
+ territory_name = NULL;
+
+ while (*attr_names && *attr_values) {
+ if (g_str_equal (*attr_names, "alpha_2_code")) {
+ /* skip if empty */
+ if (**attr_values) {
+ if (strlen (*attr_values) != 2) {
+ return;
+ }
+ acode_2 = *attr_values;
+ }
+ } else if (g_str_equal (*attr_names, "alpha_3_code")) {
+ /* skip if empty */
+ if (**attr_values) {
+ if (strlen (*attr_values) != 3) {
+ return;
+ }
+ acode_3 = *attr_values;
+ }
+ } else if (g_str_equal (*attr_names, "numeric_code")) {
+ /* skip if empty */
+ if (**attr_values) {
+ if (strlen (*attr_values) != 3) {
+ return;
+ }
+ ncode = *attr_values;
+ }
+ } else if (g_str_equal (*attr_names, "common_name")) {
+ /* skip if empty */
+ if (**attr_values) {
+ territory_common_name = *attr_values;
+ }
+ } else if (g_str_equal (*attr_names, "name")) {
+ territory_name = *attr_values;
+ }
+
+ ++attr_names;
+ ++attr_values;
+ }
+
+ if (territory_common_name != NULL) {
+ territory_name = territory_common_name;
+ }
+
+ if (territory_name == NULL) {
+ return;
+ }
+
+ if (acode_2 != NULL) {
+ g_hash_table_insert (mate_territories_map,
+ g_strdup (acode_2),
+ g_strdup (territory_name));
+ }
+ if (acode_3 != NULL) {
+ g_hash_table_insert (mate_territories_map,
+ g_strdup (acode_3),
+ g_strdup (territory_name));
+ }
+ if (ncode != NULL) {
+ g_hash_table_insert (mate_territories_map,
+ g_strdup (ncode),
+ g_strdup (territory_name));
+ }
+}
+
+static void
+languages_variant_init (const char *variant)
+{
+ gboolean res;
+ gsize buf_len;
+ g_autofree char *buf = NULL;
+ g_autofree char *filename = NULL;
+ g_autoptr (GError) error = NULL;
+
+ bindtextdomain (variant, ISO_CODES_LOCALESDIR);
+ bind_textdomain_codeset (variant, "UTF-8");
+
+ error = NULL;
+ filename = g_strdup_printf (ISO_CODES_DATADIR "/%s.xml", variant);
+ res = g_file_get_contents (filename,
+ &buf,
+ &buf_len,
+ &error);
+ if (res) {
+ g_autoptr (GMarkupParseContext) ctx = NULL;
+ GMarkupParser parser = { languages_parse_start_tag, NULL, NULL, NULL, NULL };
+
+ ctx = g_markup_parse_context_new (&parser, 0, NULL, NULL);
+
+ error = NULL;
+ res = g_markup_parse_context_parse (ctx, buf, buf_len, &error);
+
+ if (! res) {
+ g_warning ("Failed to parse '%s': %s\n",
+ filename,
+ error->message);
+ }
+ } else {
+ g_warning ("Failed to load '%s': %s\n",
+ filename,
+ error->message);
+ }
+}
+
+static void
+languages_init (void)
+{
+ if (mate_languages_map)
+ return;
+
+ mate_languages_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+
+ languages_variant_init ("iso_639");
+ languages_variant_init ("iso_639_3");
+}
+
+static void
+territories_init (void)
+{
+ gboolean res;
+ gsize buf_len;
+ g_autofree char *buf = NULL;
+ g_autoptr (GError) error = NULL;
+
+ if (mate_territories_map)
+ return;
+
+ bindtextdomain ("iso_3166", ISO_CODES_LOCALESDIR);
+ bind_textdomain_codeset ("iso_3166", "UTF-8");
+
+ mate_territories_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
+
+ error = NULL;
+ res = g_file_get_contents (ISO_CODES_DATADIR "/iso_3166.xml",
+ &buf,
+ &buf_len,
+ &error);
+ if (res) {
+ g_autoptr (GMarkupParseContext) ctx = NULL;
+ GMarkupParser parser = { territories_parse_start_tag, NULL, NULL, NULL, NULL };
+
+ ctx = g_markup_parse_context_new (&parser, 0, NULL, NULL);
+
+ error = NULL;
+ res = g_markup_parse_context_parse (ctx, buf, buf_len, &error);
+
+ if (! res) {
+ g_warning ("Failed to parse '%s': %s\n",
+ ISO_CODES_DATADIR "/iso_3166.xml",
+ error->message);
+ }
+ } else {
+ g_warning ("Failed to load '%s': %s\n",
+ ISO_CODES_DATADIR "/iso_3166.xml",
+ error->message);
+ }
+}
+
+/**
+ * mate_get_language_from_locale:
+ * @locale: a locale string
+ * @translation: (allow-none): a locale string
+ *
+ * Gets the language description for @locale. If @translation is
+ * provided the returned string is translated accordingly.
+ *
+ * Return value: (transfer full): the language description. Caller
+ * takes ownership.
+ *
+ * Since: 1.22
+ */
+char *
+mate_get_language_from_locale (const char *locale,
+ const char *translation)
+{
+ GString *full_language;
+ g_autofree char *language_code = NULL;
+ g_autofree char *territory_code = NULL;
+ g_autofree char *codeset_code = NULL;
+ g_autofree char *langinfo_codeset = NULL;
+ g_autofree char *translated_language = NULL;
+ g_autofree char *translated_territory = NULL;
+ gboolean is_utf8 = TRUE;
+
+ g_return_val_if_fail (locale != NULL, NULL);
+ g_return_val_if_fail (*locale != '\0', NULL);
+
+ full_language = g_string_new (NULL);
+
+ languages_init ();
+ territories_init ();
+
+ mate_parse_locale (locale,
+ &language_code,
+ &territory_code,
+ &codeset_code,
+ NULL);
+
+ if (language_code == NULL) {
+ goto out;
+ }
+
+ translated_language = get_translated_language (language_code, translation);
+ if (translated_language == NULL) {
+ goto out;
+ }
+
+ full_language = g_string_append (full_language, translated_language);
+
+ if (is_unique_language (language_code)) {
+ goto out;
+ }
+
+ if (territory_code != NULL) {
+ translated_territory = get_translated_territory (territory_code, translation);
+ }
+ if (translated_territory != NULL) {
+ g_string_append_printf (full_language,
+ " (%s)",
+ translated_territory);
+ }
+
+ language_name_get_codeset_details (locale, &langinfo_codeset, &is_utf8);
+
+ if (codeset_code == NULL && langinfo_codeset != NULL) {
+ codeset_code = g_strdup (langinfo_codeset);
+ }
+
+ if (!is_utf8 && codeset_code) {
+ g_string_append_printf (full_language,
+ " [%s]",
+ codeset_code);
+ }
+
+ out:
+ if (full_language->len == 0) {
+ g_string_free (full_language, TRUE);
+ return NULL;
+ }
+
+ return g_string_free (full_language, FALSE);
+}
+
+/**
+ * mate_get_country_from_locale:
+ * @locale: a locale string
+ * @translation: (allow-none): a locale string
+ *
+ * Gets the country description for @locale. If @translation is
+ * provided the returned string is translated accordingly.
+ *
+ * Return value: (transfer full): the country description. Caller
+ * takes ownership.
+ *
+ * Since: 1.22
+ */
+char *
+mate_get_country_from_locale (const char *locale,
+ const char *translation)
+{
+ GString *full_name;
+ g_autofree char *language_code = NULL;
+ g_autofree char *territory_code = NULL;
+ g_autofree char *codeset_code = NULL;
+ g_autofree char *langinfo_codeset = NULL;
+ g_autofree char *translated_language = NULL;
+ g_autofree char *translated_territory = NULL;
+ gboolean is_utf8 = TRUE;
+
+ g_return_val_if_fail (locale != NULL, NULL);
+ g_return_val_if_fail (*locale != '\0', NULL);
+
+ full_name = g_string_new (NULL);
+
+ languages_init ();
+ territories_init ();
+
+ mate_parse_locale (locale,
+ &language_code,
+ &territory_code,
+ &codeset_code,
+ NULL);
+
+ if (territory_code == NULL) {
+ goto out;
+ }
+
+ translated_territory = get_translated_territory (territory_code, translation);
+ g_string_append (full_name, translated_territory);
+
+ if (is_unique_territory (territory_code)) {
+ goto out;
+ }
+
+ if (language_code != NULL) {
+ translated_language = get_translated_language (language_code, translation);
+ }
+ if (translated_language != NULL) {
+ g_string_append_printf (full_name,
+ " (%s)",
+ translated_language);
+ }
+
+ language_name_get_codeset_details (translation, &langinfo_codeset, &is_utf8);
+
+ if (codeset_code == NULL && langinfo_codeset != NULL) {
+ codeset_code = g_strdup (langinfo_codeset);
+ }
+
+ if (!is_utf8 && codeset_code) {
+ g_string_append_printf (full_name,
+ " [%s]",
+ codeset_code);
+ }
+
+ out:
+ if (full_name->len == 0) {
+ g_string_free (full_name, TRUE);
+ return NULL;
+ }
+
+ return g_string_free (full_name, FALSE);
+}
+
+/**
+ * mate_get_all_locales:
+ *
+ * Gets all locales.
+ *
+ * Return value: (array zero-terminated=1) (element-type utf8) (transfer full):
+ * a newly allocated %NULL-terminated string array containing the
+ * all locales. Free with g_strfreev().
+ *
+ * Since: 1.22
+ */
+char **
+mate_get_all_locales (void)
+{
+ GHashTableIter iter;
+ gpointer key, value;
+ GPtrArray *array;
+
+ if (mate_available_locales_map == NULL) {
+ collect_locales ();
+ }
+
+ array = g_ptr_array_new ();
+ g_hash_table_iter_init (&iter, mate_available_locales_map);
+ while (g_hash_table_iter_next (&iter, &key, &value)) {
+ MateLocale *locale;
+
+ locale = (MateLocale *) value;
+
+ g_ptr_array_add (array, g_strdup (locale->name));
+ }
+ g_ptr_array_add (array, NULL);
+
+ return (char **) g_ptr_array_free (array, FALSE);
+}
+
+/**
+ * mate_get_language_from_code:
+ * @code: an ISO 639 code string
+ * @translation: (allow-none): a locale string
+ *
+ * Gets the language name for @code. If @locale is provided the
+ * returned string is translated accordingly.
+ *
+ * Return value: (transfer full): the language name. Caller takes
+ * ownership.
+ *
+ * Since: 1.22
+ */
+char *
+mate_get_language_from_code (const char *code,
+ const char *translation)
+{
+ g_return_val_if_fail (code != NULL, NULL);
+
+ languages_init ();
+
+ return get_translated_language (code, translation);
+}
+
+/**
+ * mate_get_country_from_code:
+ * @code: an ISO 3166 code string
+ * @translation: (allow-none): a locale string
+ *
+ * Gets the country name for @code. If @locale is provided the
+ * returned string is translated accordingly.
+ *
+ * Return value: (transfer full): the country name. Caller takes
+ * ownership.
+ *
+ * Since: 1.22
+ */
+char *
+mate_get_country_from_code (const char *code,
+ const char *translation)
+{
+ g_return_val_if_fail (code != NULL, NULL);
+
+ territories_init ();
+
+ return get_translated_territory (code, translation);
+}
diff --git a/libmate-desktop/mate-languages.h b/libmate-desktop/mate-languages.h
new file mode 100644
index 0000000..2a800c4
--- /dev/null
+++ b/libmate-desktop/mate-languages.h
@@ -0,0 +1,51 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright 2008 Red Hat, Inc.
+ * Copyright 2007 William Jon McCann <mccann@jhu.edu>
+ *
+ * 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; either 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/>.
+ *
+ * Written by: Ray Strode
+ * William Jon McCann
+ */
+
+#ifndef __MATE_LANGUAGES_H
+#define __MATE_LANGUAGES_H
+
+#ifndef MATE_DESKTOP_USE_UNSTABLE_API
+#error This is unstable API. You must define MATE_DESKTOP_USE_UNSTABLE_API before including mate-languages.h
+#endif
+
+G_BEGIN_DECLS
+
+char * mate_get_language_from_locale (const char *locale,
+ const char *translation);
+char * mate_get_country_from_locale (const char *locale,
+ const char *translation);
+char ** mate_get_all_locales (void);
+gboolean mate_parse_locale (const char *locale,
+ char **language_codep,
+ char **country_codep,
+ char **codesetp,
+ char **modifierp);
+char * mate_normalize_locale (const char *locale);
+gboolean mate_language_has_translations (const char *code);
+char * mate_get_language_from_code (const char *code,
+ const char *translation);
+char * mate_get_country_from_code (const char *code,
+ const char *translation);
+
+G_END_DECLS
+
+#endif /* __MATE_LANGUAGES_H */
--
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