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/* gtkspell - a spell-checking addon for GTK's TextView widget
* Copyright (c) 2013 Sandro Mani
*
* Based on gtkhtml-editor-spell-language.c code which is
* Copyright (C) 2008 Novell, Inc.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "sexy-iso-codes.h"
#include <libintl.h>
#include <string.h>
#define ISO_639_DOMAIN "iso_639"
#define ISO_3166_DOMAIN "iso_3166"
static GHashTable *iso_639_table = NULL;
static GHashTable *iso_3166_table = NULL;
static void
iso_639_start_element (GMarkupParseContext *context,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values,
gpointer data,
GError **error)
{
GHashTable *hash_table = data;
const gchar *name = NULL;
const gchar *code = NULL;
int i;
if (strcmp (element_name, "iso_639_entry") != 0)
return;
for (i = 0; attribute_names[i] != NULL; i++)
{
if (strcmp (attribute_names[i], "name") == 0)
name = attribute_values[i];
else if (strcmp (attribute_names[i], "iso_639_1_code") == 0)
code = attribute_values[i];
}
if (code != NULL && *code != '\0' && name != NULL && *name != '\0')
g_hash_table_insert (hash_table, g_strdup (code),
g_strdup (dgettext (ISO_639_DOMAIN, name)));
}
static void
iso_3166_start_element (GMarkupParseContext *context,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values,
gpointer data,
GError **error)
{
GHashTable *hash_table = data;
const gchar *name = NULL;
const gchar *code = NULL;
int i;
if (strcmp (element_name, "iso_3166_entry") != 0)
return;
for (i = 0; attribute_names[i] != NULL; i++)
{
if (strcmp (attribute_names[i], "name") == 0)
name = attribute_values[i];
else if (strcmp (attribute_names[i], "alpha_2_code") == 0)
code = attribute_values[i];
}
if (code != NULL && *code != '\0' && name != NULL && *name != '\0')
g_hash_table_insert (hash_table, g_strdup (code),
g_strdup (dgettext (ISO_3166_DOMAIN, name)));
}
static void
iso_codes_parse (const GMarkupParser *parser,
const gchar *basename,
GHashTable *hash_table)
{
GMappedFile *mapped_file;
gchar *filename;
GError *error = NULL;
filename = g_build_filename (ISO_CODES_PREFIX, "share", "xml", "iso-codes",
basename, NULL);
mapped_file = g_mapped_file_new (filename, FALSE, &error);
g_free (filename);
if (mapped_file != NULL)
{
GMarkupParseContext *context;
const gchar *contents;
gsize length;
context = g_markup_parse_context_new (parser, 0, hash_table, NULL);
contents = g_mapped_file_get_contents (mapped_file);
length = g_mapped_file_get_length (mapped_file);
g_markup_parse_context_parse (context, contents, length, &error);
g_markup_parse_context_free (context);
g_mapped_file_unref (mapped_file);
}
if (error != NULL)
{
g_warning ("%s: %s", basename, error->message);
g_error_free (error);
}
}
/**
* codetable_init:
*
* Initializes the code table.
*/
void
codetable_init (void)
{
GMarkupParser iso_639_parser = {
iso_639_start_element, NULL, NULL, NULL, NULL
};
GMarkupParser iso_3166_parser = {
iso_3166_start_element, NULL, NULL, NULL, NULL
};
g_return_if_fail (iso_639_table == NULL);
g_return_if_fail (iso_3166_table == NULL);
#ifdef ENABLE_NLS
bindtextdomain (ISO_639_DOMAIN, ISO_CODES_LOCALEDIR);
bind_textdomain_codeset (ISO_639_DOMAIN, "UTF-8");
bindtextdomain (ISO_3166_DOMAIN, ISO_CODES_LOCALEDIR);
bind_textdomain_codeset (ISO_3166_DOMAIN, "UTF-8");
#endif
iso_639_table = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free, (GDestroyNotify)g_free);
iso_3166_table = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify)g_free, (GDestroyNotify)g_free);
iso_codes_parse (&iso_639_parser, "iso_639.xml", iso_639_table);
iso_codes_parse (&iso_3166_parser, "iso_3166.xml", iso_3166_table);
}
/**
* codetable_free:
*
* Frees the code table.
*/
void
codetable_free (void)
{
g_return_if_fail (iso_639_table != NULL);
g_return_if_fail (iso_3166_table != NULL);
g_hash_table_unref (iso_639_table);
g_hash_table_unref (iso_3166_table);
iso_639_table = NULL;
iso_3166_table = NULL;
}
/**
* codetable_lookup:
* @language_code: A language code (i.e. "en_US")
* @language_name: (out) (transfer none): Pointer to the name of the language.
* This pointer is owned by the code table and must not be freed.
* @country_name: (out) (transfer none): Pointer to the name of the country.
* This pointer is owned by the code table and must not be freed.
*
* Looks up the language and country name for the specified language code.
* If no matching entries are found, language_name and country_name will
* simply contain the parts of the language code (i.e. "en" and "US").
*/
void
codetable_lookup (const gchar *language_code, const gchar **language_name, const gchar** country_name)
{
gchar **parts;
g_return_if_fail (iso_639_table != NULL);
g_return_if_fail (iso_3166_table != NULL);
/* Split language code into parts. */
parts = g_strsplit (language_code, "_", 2);
g_return_if_fail (*parts != NULL);
*language_name = g_hash_table_lookup (iso_639_table, parts[0]);
if (*language_name == NULL)
{
g_hash_table_insert (iso_639_table, g_strdup (parts[0]),
g_strdup (parts[0]));
*language_name = g_hash_table_lookup (iso_639_table, parts[0]);
}
if (g_strv_length (parts) == 2)
{
*country_name = g_hash_table_lookup (iso_3166_table, parts[1]);
if (*country_name == NULL)
{
g_hash_table_insert (iso_3166_table, g_strdup (parts[1]),
g_strdup (parts[1]));
*country_name = g_hash_table_lookup (iso_3166_table, parts[1]);
}
}
g_strfreev (parts);
}
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