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/*
* Copyright (C) 2010 David King <davidk@openismus.com>
* Copyright (C) 2010 - 2013 Vivien Malerba <malerba@gnome-db.org>
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "gda-sqlite-handler-boolean.h"
#include <glib/gi18n-lib.h>
#include <string.h>
static void gda_sqlite_handler_boolean_class_init (GdaSqliteHandlerBooleanClass * class);
static void gda_sqlite_handler_boolean_init (GdaSqliteHandlerBoolean * wid);
static void gda_sqlite_handler_boolean_dispose (GObject * object);
/* GdaDataHandler interface */
static void gda_sqlite_handler_boolean_data_handler_init (GdaDataHandlerIface *iface);
static gchar *gda_sqlite_handler_boolean_get_sql_from_value (GdaDataHandler *dh, const GValue *value);
static gchar *gda_sqlite_handler_boolean_get_str_from_value (GdaDataHandler *dh, const GValue *value);
static GValue *gda_sqlite_handler_boolean_get_value_from_sql (GdaDataHandler *dh, const gchar *sql,
GType type);
static GValue *gda_sqlite_handler_boolean_get_value_from_str (GdaDataHandler *iface, const gchar *str,
GType type);
static GValue *gda_sqlite_handler_boolean_get_sane_init_value (GdaDataHandler * dh, GType type);
static gboolean gda_sqlite_handler_boolean_accepts_g_type (GdaDataHandler * dh, GType type);
static const gchar *gda_sqlite_handler_boolean_get_descr (GdaDataHandler *dh);
struct _GdaSqliteHandlerBooleanPriv {
gchar dummy;
};
/* get a pointer to the parents to be able to call their destructor */
static GObjectClass *parent_class = NULL;
GType
_gda_sqlite_handler_boolean_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static GMutex registering;
static const GTypeInfo info = {
sizeof (GdaSqliteHandlerBooleanClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gda_sqlite_handler_boolean_class_init,
NULL,
NULL,
sizeof (GdaSqliteHandlerBoolean),
0,
(GInstanceInitFunc) gda_sqlite_handler_boolean_init,
NULL
};
static const GInterfaceInfo data_entry_info = {
(GInterfaceInitFunc) gda_sqlite_handler_boolean_data_handler_init,
NULL,
NULL
};
g_mutex_lock (®istering);
if (type == 0) {
type = g_type_register_static (G_TYPE_OBJECT, CLASS_PREFIX "HandlerBoolean", &info, 0);
g_type_add_interface_static (type, GDA_TYPE_DATA_HANDLER, &data_entry_info);
}
g_mutex_unlock (®istering);
}
return type;
}
static void
gda_sqlite_handler_boolean_data_handler_init (GdaDataHandlerIface *iface)
{
iface->get_sql_from_value = gda_sqlite_handler_boolean_get_sql_from_value;
iface->get_str_from_value = gda_sqlite_handler_boolean_get_str_from_value;
iface->get_value_from_sql = gda_sqlite_handler_boolean_get_value_from_sql;
iface->get_value_from_str = gda_sqlite_handler_boolean_get_value_from_str;
iface->get_sane_init_value = gda_sqlite_handler_boolean_get_sane_init_value;
iface->accepts_g_type = gda_sqlite_handler_boolean_accepts_g_type;
iface->get_descr = gda_sqlite_handler_boolean_get_descr;
}
static void
gda_sqlite_handler_boolean_class_init (GdaSqliteHandlerBooleanClass * class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
parent_class = g_type_class_peek_parent (class);
object_class->dispose = gda_sqlite_handler_boolean_dispose;
}
static void
gda_sqlite_handler_boolean_init (GdaSqliteHandlerBoolean *hdl)
{
/* Private structure */
hdl->priv = g_new0 (GdaSqliteHandlerBooleanPriv, 1);
g_object_set_data (G_OBJECT (hdl), "name", "SqliteBoolean");
g_object_set_data (G_OBJECT (hdl), "descr", _("Sqlite boolean representation"));
}
static void
gda_sqlite_handler_boolean_dispose (GObject *object)
{
GdaSqliteHandlerBoolean *hdl;
g_return_if_fail (GDA_IS_SQLITE_HANDLER_BOOLEAN (object));
hdl = GDA_SQLITE_HANDLER_BOOLEAN (object);
if (hdl->priv) {
g_free (hdl->priv);
hdl->priv = NULL;
}
/* for the parent class */
parent_class->dispose (object);
}
/*
* _gda_sqlite_handler_boolean_new
*
* Creates a data handler for booleans
*
* Returns: the new object
*/
GdaDataHandler *
_gda_sqlite_handler_boolean_new (void)
{
GObject *obj;
obj = g_object_new (GDA_TYPE_SQLITE_HANDLER_BOOLEAN, NULL);
return (GdaDataHandler *) obj;
}
static gchar *
gda_sqlite_handler_boolean_get_sql_from_value (G_GNUC_UNUSED GdaDataHandler *iface, const GValue *value)
{
g_assert (value);
return g_strdup (g_value_get_boolean (value) ? "1" : "0");
}
static gchar *
gda_sqlite_handler_boolean_get_str_from_value (G_GNUC_UNUSED GdaDataHandler *iface, const GValue *value)
{
g_assert (value);
return g_strdup (g_value_get_boolean (value) ? "1" : "0");
}
static GValue *
gda_sqlite_handler_boolean_get_value_from_sql (G_GNUC_UNUSED GdaDataHandler *iface, const gchar *sql, G_GNUC_UNUSED GType type)
{
g_assert (sql);
GValue *value;
value = g_value_init (g_new0 (GValue, 1), G_TYPE_BOOLEAN);
if (*sql == '0')
g_value_set_boolean (value, FALSE);
else
g_value_set_boolean (value, TRUE);
return value;
}
static GValue *
gda_sqlite_handler_boolean_get_value_from_str (G_GNUC_UNUSED GdaDataHandler *iface, const gchar *str, G_GNUC_UNUSED GType type)
{
g_assert (str);
GValue *value;
value = g_value_init (g_new0 (GValue, 1), G_TYPE_BOOLEAN);
if (*str == '0')
g_value_set_boolean (value, FALSE);
else
g_value_set_boolean (value, TRUE);
return value;
}
static GValue *
gda_sqlite_handler_boolean_get_sane_init_value (G_GNUC_UNUSED GdaDataHandler *iface, G_GNUC_UNUSED GType type)
{
GValue *value;
value = g_value_init (g_new0 (GValue, 1), G_TYPE_BOOLEAN);
g_value_set_boolean (value, FALSE);
return value;
}
static gboolean
gda_sqlite_handler_boolean_accepts_g_type (G_GNUC_UNUSED GdaDataHandler *iface, GType type)
{
g_assert (iface);
return type == G_TYPE_BOOLEAN ? TRUE : FALSE;
}
static const gchar *
gda_sqlite_handler_boolean_get_descr (GdaDataHandler *iface)
{
g_return_val_if_fail (GDA_IS_SQLITE_HANDLER_BOOLEAN (iface), NULL);
return g_object_get_data (G_OBJECT (iface), "descr");
}
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