/*
* Copyright © 2006 Christian Persch
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
#include "config.h"
#include <string.h>
#include <glib/gi18n.h>
#include <enchant.h>
#include "ephy-debug.h"
#include "ephy-spell-check.h"
#define EPHY_SPELL_CHECK_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_SPELL_CHECK, EphySpellCheckPrivate))
struct _EphySpellCheckPrivate
{
EnchantBroker *broker;
EnchantDict *dict;
};
enum
{
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
static GObjectClass *parent_class;
/* Helper functions */
/* Class implementation */
static void
ephy_spell_check_init (EphySpellCheck *speller)
{
EphySpellCheckPrivate *priv;
const gchar * const *locale;
priv = speller->priv = EPHY_SPELL_CHECK_GET_PRIVATE (speller);
priv->broker = enchant_broker_init ();
/* We don't want to check against C so we get a useful message
in case of no available dictionary */
for (locale = g_get_language_names ();
*locale != NULL && g_ascii_strcasecmp (*locale, "C") != 0;
++locale)
{
priv->dict = enchant_broker_request_dict (priv->broker, *locale);
if (priv->dict != NULL) break;
}
if (priv->dict == NULL)
g_warning (enchant_broker_get_error (priv->broker));
}
static void
ephy_spell_check_finalize (GObject *object)
{
EphySpellCheck *speller = EPHY_SPELL_CHECK (object);
EphySpellCheckPrivate *priv = speller->priv;
LOG ("EphySpellCheck finalised");
if (priv->dict != NULL)
{
enchant_broker_free_dict (priv->broker, priv->dict);
priv->dict = NULL;
}
enchant_broker_free (priv->broker);
parent_class->finalize (object);
}
static void
ephy_spell_check_class_init (EphySpellCheckClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = ephy_spell_check_finalize;
#if 0
signals[CANCEL] =
g_signal_new ("cancel",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (EphySpellCheckClass, cancel),
g_signal_accumulator_true_handled, NULL,
ephy_marshal_BOOLEAN__VOID,
G_TYPE_BOOLEAN,
0);
#endif
g_type_class_add_private (object_class, sizeof (EphySpellCheckPrivate));
}
GType
ephy_spell_check_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0))
{
const GTypeInfo our_info =
{
sizeof (EphySpellCheckClass),
NULL,
NULL,
(GClassInitFunc) ephy_spell_check_class_init,
NULL,
NULL,
sizeof (EphySpellCheck),
0,
(GInstanceInitFunc) ephy_spell_check_init
};
type = g_type_register_static (G_TYPE_OBJECT,
"EphySpellCheck",
&our_info, 0);
}
return type;
}
/* Public API */
/**
* ephy_spell_check_get_default:
*
* Returns: a reference to the default #EphySpellCheck object
*/
EphySpellCheck *
ephy_spell_check_get_default (void)
{
static EphySpellCheck *instance = NULL;
if (instance == NULL)
{
EphySpellCheck **instanceptr = &instance;
instance = g_object_new (EPHY_TYPE_SPELL_CHECK, NULL);
g_object_add_weak_pointer (G_OBJECT (instance),
(gpointer) instanceptr);
return instance;
}
return g_object_ref (instance);
}
int
ephy_spell_check_check_word (EphySpellCheck *speller,
const char *word,
gssize len,
gboolean *correct)
{
EphySpellCheckPrivate *priv = speller->priv;
int result;
g_return_val_if_fail (word != NULL, -1);
if (priv->dict == NULL)
return FALSE;
if (len < 0)
len = strlen (word);
result = enchant_dict_check (priv->dict, word, len);
if (result < 0)
return FALSE;
*correct = result == 0;
return TRUE;
}
char **
ephy_spell_check_get_suggestions (EphySpellCheck *speller,
const char *word,
gssize len,
gsize *_count)
{
EphySpellCheckPrivate *priv = speller->priv;
char **suggestions;
size_t count;
g_return_val_if_fail (word != NULL, NULL);
if (priv->dict == NULL)
return FALSE;
if (len < 0)
len = strlen (word);
suggestions = enchant_dict_suggest (priv->dict, word, len, &count);
*_count = count;
return suggestions;
}
void
ephy_spell_check_free_suggestions (EphySpellCheck *speller,
char **suggestions)
{
EphySpellCheckPrivate *priv = speller->priv;
if (suggestions != NULL)
{
g_return_if_fail (priv->dict != NULL);
/* FIXME!! What if inbetween there has been a change of dict!? */
enchant_dict_free_suggestions (priv->dict, suggestions);
}
}
gboolean
ephy_spell_check_set_language (EphySpellCheck *speller,
const char *lang)
{
EphySpellCheckPrivate *priv = speller->priv;
char *code;
if (priv->dict != NULL)
{
enchant_broker_free_dict (priv->broker, priv->dict);
priv->dict = NULL;
}
/* Enchant expects ab_CD codes, not ab-CD */
code = g_strdup (lang);
g_strdelimit (code, "-", '_');
priv->dict = enchant_broker_request_dict (priv->broker, code);
g_free (code);
return priv->dict != NULL;
}
static void
describe_cb (const char * const lang_tag,
const char * const provider_name,
const char * const provider_desc,
const char * const provider_file,
char **_language)
{
*_language = g_strdup (lang_tag);
}
char *
ephy_spell_check_get_language (EphySpellCheck *speller)
{
EphySpellCheckPrivate *priv = speller->priv;
char *code = NULL;
if (priv->dict == NULL) return NULL;
enchant_dict_describe (priv->dict, (EnchantDictDescribeFn) describe_cb, &code);
return code;
}
