2011-11-07 13:46:58 -06:00
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/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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2011-11-07 16:52:18 -06:00
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* pluma-spell-checker-language.c
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* This file is part of pluma
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2011-11-07 13:46:58 -06:00
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*
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* Copyright (C) 2006 Paolo Maggi
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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2011-11-07 16:52:18 -06:00
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* Modified by the pluma Team, 2006. See the AUTHORS file for a
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* list of people on the pluma Team.
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2011-11-07 13:46:58 -06:00
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* See the ChangeLog files for a list of changes.
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*/
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/* Part of the code taked from Epiphany.
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*
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* Copyright (C) 2003, 2004 Christian Persch
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <enchant.h>
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#include <glib/gi18n.h>
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#include <libxml/xmlreader.h>
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2011-11-07 16:52:18 -06:00
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#include "pluma-spell-checker-language.h"
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2011-11-07 13:46:58 -06:00
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2011-11-07 16:52:18 -06:00
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#include <pluma/pluma-debug.h>
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2011-11-07 13:46:58 -06:00
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#define ISO_639_DOMAIN "iso_639"
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#define ISO_3166_DOMAIN "iso_3166"
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#define ISOCODESLOCALEDIR ISO_CODES_PREFIX "/share/locale"
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2011-11-07 16:52:18 -06:00
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struct _PlumaSpellCheckerLanguage
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2011-11-07 13:46:58 -06:00
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{
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gchar *abrev;
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gchar *name;
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};
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static gboolean available_languages_initialized = FALSE;
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static GSList *available_languages = NULL;
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static GHashTable *iso_639_table = NULL;
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static GHashTable *iso_3166_table = NULL;
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static void
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bind_iso_domains (void)
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{
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static gboolean bound = FALSE;
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if (bound == FALSE)
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{
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bindtextdomain (ISO_639_DOMAIN, ISOCODESLOCALEDIR);
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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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bind_textdomain_codeset (ISO_3166_DOMAIN, "UTF-8");
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bound = TRUE;
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}
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}
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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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{
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xmlChar *code, *name;
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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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/* Get iso-639-2 code */
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if (code == NULL || code[0] == '\0')
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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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}
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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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}
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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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{
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xmlChar *code, *name;
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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 (code != NULL && code[0] != '\0' && name != NULL && name[0] != '\0')
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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_print ("%s -> %s\n", lcode, name); */
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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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}
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}
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typedef enum
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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 void
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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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2011-11-07 16:52:18 -06:00
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pluma_debug_message (DEBUG_PLUGINS, "Loading ISO-%d codes", iso);
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2011-11-07 13:46:58 -06:00
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filename = g_strdup_printf (ISO_CODES_PREFIX "/share/xml/iso-codes/iso_%d.xml", iso);
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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), (const xmlChar *)"iso_%d_entries", iso);
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xmlStrPrintf (iso_entry, sizeof (iso_entry), (const 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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g_warning ("Failed to load ISO-%d codes from %s!\n",
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iso, filename);
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}
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g_free (filename);
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}
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static GHashTable *
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create_iso_639_table (void)
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{
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GHashTable *table;
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bind_iso_domains ();
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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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load_iso_entries (639, (GFunc) read_iso_639_entry, table);
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return table;
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}
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static GHashTable *
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create_iso_3166_table (void)
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{
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GHashTable *table;
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bind_iso_domains ();
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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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load_iso_entries (3166, (GFunc) read_iso_3166_entry, table);
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return table;
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}
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static char *
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create_name_for_language (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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g_return_val_if_fail (iso_639_table != NULL, NULL);
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g_return_val_if_fail (iso_3166_table != NULL, NULL);
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str = g_strsplit (code, "_", -1);
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len = g_strv_length (str);
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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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gchar *locale_code = g_ascii_strdown (str[1], -1);
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localename = (const char *) g_hash_table_lookup (iso_3166_table, locale_code);
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g_free (locale_code);
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if (localename != NULL)
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{
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/* Translators: the first %s is the language name, and
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* the second %s is the locale name. Example:
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* "French (France)"
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*/
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name = g_strdup_printf (C_("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 (C_("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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else
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{
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/* Translators: this refers to an unknown language code
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* (one which isn't in our built-in list).
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*/
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name = g_strdup_printf (C_("language", "Unknown (%s)"), code);
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}
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g_strfreev (str);
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return name;
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}
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static void
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enumerate_dicts (const char * const lang_tag,
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const char * const provider_name,
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const char * const provider_desc,
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const char * const provider_file,
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void * user_data)
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{
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gchar *lang_name;
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GTree *dicts = (GTree *)user_data;
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lang_name = create_name_for_language (lang_tag);
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g_return_if_fail (lang_name != NULL);
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/* g_print ("%s - %s\n", lang_tag, lang_name); */
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g_tree_replace (dicts, g_strdup (lang_tag), lang_name);
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}
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static gint
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key_cmp (gconstpointer a, gconstpointer b, gpointer user_data)
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{
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return strcmp (a, b);
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}
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static gint
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2011-11-07 16:52:18 -06:00
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lang_cmp (const PlumaSpellCheckerLanguage *a,
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const PlumaSpellCheckerLanguage *b)
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2011-11-07 13:46:58 -06:00
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{
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return g_utf8_collate (a->name, b->name);
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}
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static gboolean
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build_langs_list (const gchar *key,
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const gchar *value,
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gpointer data)
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{
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2011-11-07 16:52:18 -06:00
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PlumaSpellCheckerLanguage *lang = g_new (PlumaSpellCheckerLanguage, 1);
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2011-11-07 13:46:58 -06:00
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lang->abrev = g_strdup (key);
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lang->name = g_strdup (value);
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available_languages = g_slist_insert_sorted (available_languages,
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lang,
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(GCompareFunc)lang_cmp);
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return FALSE;
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}
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const GSList *
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2011-11-07 16:52:18 -06:00
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pluma_spell_checker_get_available_languages (void)
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2011-11-07 13:46:58 -06:00
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{
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EnchantBroker *broker;
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GTree *dicts;
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if (available_languages_initialized)
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return available_languages;
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g_return_val_if_fail (available_languages == NULL, NULL);
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available_languages_initialized = TRUE;
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broker = enchant_broker_init ();
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g_return_val_if_fail (broker != NULL, NULL);
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/* Use a GTree to efficiently remove duplicates while building the list */
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dicts = g_tree_new_full (key_cmp,
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NULL,
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(GDestroyNotify)g_free,
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(GDestroyNotify)g_free);
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iso_639_table = create_iso_639_table ();
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iso_3166_table = create_iso_3166_table ();
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enchant_broker_list_dicts (broker, enumerate_dicts, dicts);
|
|
|
|
|
|
|
|
enchant_broker_free (broker);
|
|
|
|
|
|
|
|
g_hash_table_destroy (iso_639_table);
|
|
|
|
g_hash_table_destroy (iso_3166_table);
|
|
|
|
|
|
|
|
iso_639_table = NULL;
|
|
|
|
iso_3166_table = NULL;
|
|
|
|
|
|
|
|
g_tree_foreach (dicts, (GTraverseFunc)build_langs_list, NULL);
|
|
|
|
|
|
|
|
g_tree_destroy (dicts);
|
|
|
|
|
|
|
|
return available_languages;
|
|
|
|
}
|
|
|
|
|
|
|
|
const gchar *
|
2011-11-07 16:52:18 -06:00
|
|
|
pluma_spell_checker_language_to_string (const PlumaSpellCheckerLanguage *lang)
|
2011-11-07 13:46:58 -06:00
|
|
|
{
|
|
|
|
if (lang == NULL)
|
|
|
|
/* Translators: this refers the Default language used by the
|
|
|
|
* spell checker
|
|
|
|
*/
|
|
|
|
return C_("language", "Default");
|
|
|
|
|
|
|
|
return lang->name;
|
|
|
|
}
|
|
|
|
|
|
|
|
const gchar *
|
2011-11-07 16:52:18 -06:00
|
|
|
pluma_spell_checker_language_to_key (const PlumaSpellCheckerLanguage *lang)
|
2011-11-07 13:46:58 -06:00
|
|
|
{
|
|
|
|
g_return_val_if_fail (lang != NULL, NULL);
|
|
|
|
|
|
|
|
return lang->abrev;
|
|
|
|
}
|
|
|
|
|
2011-11-07 16:52:18 -06:00
|
|
|
const PlumaSpellCheckerLanguage *
|
|
|
|
pluma_spell_checker_language_from_key (const gchar *key)
|
2011-11-07 13:46:58 -06:00
|
|
|
{
|
|
|
|
const GSList *langs;
|
|
|
|
|
|
|
|
g_return_val_if_fail (key != NULL, NULL);
|
|
|
|
|
2011-11-07 16:52:18 -06:00
|
|
|
langs = pluma_spell_checker_get_available_languages ();
|
2011-11-07 13:46:58 -06:00
|
|
|
|
|
|
|
while (langs != NULL)
|
|
|
|
{
|
2011-11-07 16:52:18 -06:00
|
|
|
const PlumaSpellCheckerLanguage *l = (const PlumaSpellCheckerLanguage *)langs->data;
|
2011-11-07 13:46:58 -06:00
|
|
|
|
|
|
|
if (g_ascii_strcasecmp (key, l->abrev) == 0)
|
|
|
|
return l;
|
|
|
|
|
|
|
|
langs = g_slist_next (langs);
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|