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Update to gtkspell3's iso code lookup
This no longer requires libxml so now there is no reason for this to be optional
This commit is contained in:
TingPing
@@ -1,307 +1,230 @@
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/*
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* Copyright (C) 2005 Nathan Fredrickson
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* Borrowed from Galeon, renamed, and simplified to only use iso-codes with no
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* fallback method.
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*
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* Copyright (C) 2004 Christian Persch
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* Copyright (C) 2004 Crispin Flowerday
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/* gtkspell - a spell-checking addon for GTK's TextView widget
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* Copyright (c) 2013 Sandro Mani
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*
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* Based on gtkhtml-editor-spell-language.c code which is
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* Copyright (C) 2008 Novell, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifdef WIN32
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#include "sexy-iso-codes.h"
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#include <libintl.h>
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#include <string.h>
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#ifdef G_OS_WIN32
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#include "../../config-win32.h"
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#else
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#include "../../config.h"
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#endif
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#include "sexy-iso-codes.h"
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#include <glib/gi18n.h>
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#include <string.h>
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#include <libxml/xmlreader.h>
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#define ISO_639_DOMAIN "iso_639"
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#define ISO_3166_DOMAIN "iso_3166"
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static GHashTable *iso_639_table = NULL;
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static GHashTable *iso_3166_table = NULL;
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#define ISO_639_DOMAIN "iso_639"
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#define ISO_3166_DOMAIN "iso_3166"
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#ifdef HAVE_ISO_CODES
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#define ISOCODESLOCALEDIR "/share/locale"
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static void
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read_iso_639_entry (xmlTextReaderPtr reader,
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GHashTable *table)
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iso_639_start_element (GMarkupParseContext *context,
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const gchar *element_name,
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const gchar **attribute_names,
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const gchar **attribute_values,
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gpointer data,
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GError **error)
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{
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xmlChar *code, *name;
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GHashTable *hash_table = data;
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const gchar *name = NULL;
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const gchar *code = NULL;
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int i;
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code = xmlTextReaderGetAttribute (reader, (const xmlChar *) "iso_639_1_code");
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name = xmlTextReaderGetAttribute (reader, (const xmlChar *) "name");
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if (strcmp (element_name, "iso_639_entry") != 0)
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return;
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/* Get iso-639-2 code */
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if (code == NULL || code[0] == '\0')
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for (i = 0; attribute_names[i] != NULL; i++)
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{
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xmlFree (code);
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/* FIXME: use the 2T or 2B code? */
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code = xmlTextReaderGetAttribute (reader, (const xmlChar *) "iso_639_2T_code");
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if (strcmp (attribute_names[i], "name") == 0)
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name = attribute_values[i];
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else if (strcmp (attribute_names[i], "iso_639_1_code") == 0)
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code = attribute_values[i];
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}
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if (code != NULL && code[0] != '\0' && name != NULL && name[0] != '\0')
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{
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g_hash_table_insert (table, code, name);
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}
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else
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{
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xmlFree (code);
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xmlFree (name);
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}
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if (code != NULL && *code != '\0' && name != NULL && *name != '\0')
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g_hash_table_insert (hash_table, g_strdup (code),
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g_strdup (dgettext (ISO_639_DOMAIN, name)));
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}
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static void
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read_iso_3166_entry (xmlTextReaderPtr reader,
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GHashTable *table)
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iso_3166_start_element (GMarkupParseContext *context,
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const gchar *element_name,
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const gchar **attribute_names,
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const gchar **attribute_values,
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gpointer data,
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GError **error)
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{
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xmlChar *code, *name;
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GHashTable *hash_table = data;
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const gchar *name = NULL;
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const gchar *code = NULL;
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int i;
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code = xmlTextReaderGetAttribute (reader, (const xmlChar *) "alpha_2_code");
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name = xmlTextReaderGetAttribute (reader, (const xmlChar *) "name");
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if (strcmp (element_name, "iso_3166_entry") != 0)
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return;
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if (code != NULL && code[0] != '\0' && name != NULL && name[0] != '\0')
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for (i = 0; attribute_names[i] != NULL; i++)
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{
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char *lcode;
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lcode = g_ascii_strdown ((char *) code, -1);
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xmlFree (code);
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g_hash_table_insert (table, lcode, name);
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}
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else
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{
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xmlFree (code);
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xmlFree (name);
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if (strcmp (attribute_names[i], "name") == 0)
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name = attribute_values[i];
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else if (strcmp (attribute_names[i], "alpha_2_code") == 0)
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code = attribute_values[i];
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}
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if (code != NULL && *code != '\0' && name != NULL && *name != '\0')
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g_hash_table_insert (hash_table, g_strdup (code),
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g_strdup (dgettext (ISO_3166_DOMAIN, name)));
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}
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typedef enum
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static void
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iso_codes_parse (const GMarkupParser *parser,
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const gchar *basename,
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GHashTable *hash_table)
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{
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STATE_START,
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STATE_STOP,
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STATE_ENTRIES,
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} ParserState;
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static gboolean
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load_iso_entries (int iso,
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GFunc read_entry_func,
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gpointer user_data)
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{
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xmlTextReaderPtr reader;
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ParserState state = STATE_START;
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xmlChar iso_entries[32], iso_entry[32];
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char *filename;
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int ret = -1;
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#ifdef WIN32
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filename = g_strdup_printf (".\\share\\xml\\iso-codes\\iso_%d.xml", iso);
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#else
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filename = g_strdup_printf ("/usr/share/xml/iso-codes/iso_%d.xml", iso);
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#endif
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reader = xmlNewTextReaderFilename (filename);
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if (reader == NULL) goto out;
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xmlStrPrintf (iso_entries, sizeof (iso_entries),
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(xmlChar *)"iso_%d_entries", iso);
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xmlStrPrintf (iso_entry, sizeof (iso_entry),
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(xmlChar *)"iso_%d_entry", iso);
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ret = xmlTextReaderRead (reader);
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while (ret == 1)
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{
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const xmlChar *tag;
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xmlReaderTypes type;
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tag = xmlTextReaderConstName (reader);
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type = xmlTextReaderNodeType (reader);
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if (state == STATE_ENTRIES &&
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type == XML_READER_TYPE_ELEMENT &&
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xmlStrEqual (tag, iso_entry))
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{
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read_entry_func (reader, user_data);
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}
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else if (state == STATE_START &&
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type == XML_READER_TYPE_ELEMENT &&
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xmlStrEqual (tag, iso_entries))
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{
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state = STATE_ENTRIES;
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}
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else if (state == STATE_ENTRIES &&
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type == XML_READER_TYPE_END_ELEMENT &&
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xmlStrEqual (tag, iso_entries))
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{
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state = STATE_STOP;
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}
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else if (type == XML_READER_TYPE_SIGNIFICANT_WHITESPACE ||
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type == XML_READER_TYPE_WHITESPACE ||
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type == XML_READER_TYPE_TEXT ||
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type == XML_READER_TYPE_COMMENT)
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{
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/* eat it */
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}
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else
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{
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/* ignore it */
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}
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ret = xmlTextReaderRead (reader);
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}
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xmlFreeTextReader (reader);
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out:
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if (ret < 0 || state != STATE_STOP)
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{
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/* This is not critical, we will fallback to our own code */
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g_free (filename);
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return FALSE;
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}
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GMappedFile *mapped_file;
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gchar *filename;
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GError *error = NULL;
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filename = g_build_filename (ISO_CODES_PREFIX, "share", "xml", "iso-codes",
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basename, NULL);
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mapped_file = g_mapped_file_new (filename, FALSE, &error);
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g_free (filename);
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return TRUE;
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if (mapped_file != NULL)
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{
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GMarkupParseContext *context;
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const gchar *contents;
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gsize length;
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context = g_markup_parse_context_new (parser, 0, hash_table, NULL);
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contents = g_mapped_file_get_contents (mapped_file);
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length = g_mapped_file_get_length (mapped_file);
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g_markup_parse_context_parse (context, contents, length, &error);
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g_markup_parse_context_free (context);
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g_mapped_file_unref (mapped_file);
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}
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if (error != NULL)
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{
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g_warning ("%s: %s", basename, error->message);
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g_error_free (error);
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}
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}
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#endif /* HAVE_ISO_CODES */
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static void
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ensure_iso_codes_initialised (void)
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/**
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* codetable_init:
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*
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* Initializes the code table.
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*/
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void
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codetable_init (void)
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{
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static gboolean initialised = FALSE;
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GMarkupParser iso_639_parser = {
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iso_639_start_element, NULL, NULL, NULL, NULL
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};
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if (initialised == TRUE)
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{
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return;
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}
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initialised = TRUE;
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GMarkupParser iso_3166_parser = {
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iso_3166_start_element, NULL, NULL, NULL, NULL
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};
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#if defined (ENABLE_NLS) && defined (HAVE_ISO_CODES)
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bindtextdomain (ISO_639_DOMAIN, ISOCODESLOCALEDIR);
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g_return_if_fail (iso_639_table == NULL);
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g_return_if_fail (iso_3166_table == NULL);
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#ifdef ENABLE_NLS
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bindtextdomain (ISO_639_DOMAIN, ISO_CODES_LOCALEDIR);
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bind_textdomain_codeset (ISO_639_DOMAIN, "UTF-8");
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bindtextdomain(ISO_3166_DOMAIN, ISOCODESLOCALEDIR);
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bindtextdomain (ISO_3166_DOMAIN, ISO_CODES_LOCALEDIR);
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bind_textdomain_codeset (ISO_3166_DOMAIN, "UTF-8");
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#endif
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iso_639_table = g_hash_table_new_full (g_str_hash, g_str_equal,
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(GDestroyNotify) xmlFree,
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(GDestroyNotify) xmlFree);
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(GDestroyNotify)g_free, (GDestroyNotify)g_free);
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iso_3166_table = g_hash_table_new_full (g_str_hash, g_str_equal,
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(GDestroyNotify) g_free,
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(GDestroyNotify) xmlFree);
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#ifdef HAVE_ISO_CODES
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load_iso_entries (639, (GFunc) read_iso_639_entry, iso_639_table);
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load_iso_entries (3166, (GFunc) read_iso_3166_entry, iso_3166_table);
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#endif
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}
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(GDestroyNotify)g_free, (GDestroyNotify)g_free);
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static char *
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get_iso_name_for_lang_code (const char *code)
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{
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char **str;
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char *name = NULL;
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const char *langname, *localename;
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int len;
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str = g_strsplit (code, "_", -1);
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/* count the entries */
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for (len = 0; str[len]; len++ ) /* empty */;
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g_return_val_if_fail (len != 0, NULL);
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langname = (const char *) g_hash_table_lookup (iso_639_table, str[0]);
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if (len == 1 && langname != NULL)
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{
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name = g_strdup (dgettext (ISO_639_DOMAIN, langname));
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}
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else if (len == 2 && langname != NULL)
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{
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localename = (const char *) g_hash_table_lookup (iso_3166_table, str[1]);
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if (localename != NULL)
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{
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/* translators: the first %s is the language name, and the
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* second %s is the locale name. Example:
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* "French (France)
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*
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* Also: The text before the "|" is context to help you decide on
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* the correct translation. You MUST OMIT it in the translated string.
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*/
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name = g_strdup_printf (Q_("language|%s (%s)"),
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dgettext (ISO_639_DOMAIN, langname),
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dgettext (ISO_3166_DOMAIN, localename));
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}
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else
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{
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name = g_strdup_printf (Q_("language|%s (%s)"),
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dgettext (ISO_639_DOMAIN, langname), str[1]);
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}
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}
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g_strfreev (str);
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return name;
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iso_codes_parse (&iso_639_parser, "iso_639.xml", iso_639_table);
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iso_codes_parse (&iso_3166_parser, "iso_3166.xml", iso_3166_table);
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}
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|
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/**
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* gtkspell_iso_codes_lookup_name_for_code:
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* @code: A language code, e.g. en_CA
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*
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* Looks up a name to display to the user for a language code,
|
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* this might use the iso-codes package if support was compiled
|
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* in, and it is available
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*
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* Returns: the UTF-8 string to display to the user, or NULL if
|
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* a name for the code could not be found
|
||||
*/
|
||||
char *
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gtkspell_iso_codes_lookup_name_for_code (const char *code)
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* codetable_free:
|
||||
*
|
||||
* Frees the code table.
|
||||
*/
|
||||
void
|
||||
codetable_free (void)
|
||||
{
|
||||
char * lcode;
|
||||
char * ret;
|
||||
g_return_if_fail (iso_639_table != NULL);
|
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g_return_if_fail (iso_3166_table != NULL);
|
||||
|
||||
g_return_val_if_fail (code != NULL, NULL);
|
||||
g_hash_table_unref (iso_639_table);
|
||||
g_hash_table_unref (iso_3166_table);
|
||||
|
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ensure_iso_codes_initialised ();
|
||||
|
||||
lcode = g_ascii_strdown (code, -1);
|
||||
|
||||
ret = get_iso_name_for_lang_code (lcode);
|
||||
|
||||
g_free (lcode);
|
||||
|
||||
return ret;
|
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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);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user