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/*
* Copyright (C) 2003 Marco Pesenti Gritti
* Copyright (C) 2003, 2004 Christian Persch
*
* 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
#include "config.h"
#include "ephy-module.h"
#include "ephy-file-helpers.h"
#include "ephy-debug.h"
#include <gmodule.h>
typedef struct _EphyModuleClass EphyModuleClass;
struct _EphyModuleClass
{
GTypeModuleClass parent_class;
};
struct _EphyModule
{
GTypeModule parent_instance;
GModule *library;
char *path;
GType type;
};
typedef GType (*EphyModuleRegisterFunc) (GTypeModule *);
static void ephy_module_init (EphyModule *action);
static void ephy_module_class_init (EphyModuleClass *class);
static GObjectClass *parent_class = NULL;
GType
ephy_module_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0))
{
static const GTypeInfo type_info =
{
sizeof (EphyModuleClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) ephy_module_class_init,
(GClassFinalizeFunc) NULL,
NULL,
sizeof (EphyModule),
0, /* n_preallocs */
(GInstanceInitFunc) ephy_module_init,
};
type = g_type_register_static (G_TYPE_TYPE_MODULE,
"EphyModule",
&type_info, 0);
}
return type;
}
static gboolean
ephy_module_load (GTypeModule *gmodule)
{
EphyModule *module = EPHY_MODULE (gmodule);
EphyModuleRegisterFunc register_func;
LOG ("Loading %s", module->path);
module->library = g_module_open (module->path, 0);
if (module->library == NULL)
{
g_warning (g_module_error());
return FALSE;
}
/* extract symbols from the lib */
if (!g_module_symbol (module->library, "register_module",
(void *) ®ister_func))
{
g_warning (g_module_error());
g_module_close (module->library);
return FALSE;
}
g_assert (register_func);
module->type = register_func (gmodule);
if (module->type == 0)
{
return FALSE;
}
return TRUE;
}
static void
ephy_module_unload (GTypeModule *gmodule)
{
EphyModule *module = EPHY_MODULE (gmodule);
LOG ("Unloading %s", module->path);
g_module_close (module->library);
module->library = NULL;
module->type = 0;
}
const char *
ephy_module_get_path (EphyModule *module)
{
g_return_val_if_fail (EPHY_IS_MODULE (module), NULL);
return module->path;
}
GObject *
ephy_module_new_object (EphyModule *module)
{
LOG ("Creating object of type %s", g_type_name (module->type));
if (module->type == 0)
{
return NULL;
}
return g_object_new (module->type, NULL);
}
static void
ephy_module_init (EphyModule *module)
{
LOG ("EphyModule %p initialising", module);
}
static void
ephy_module_finalize (GObject *object)
{
EphyModule *module = EPHY_MODULE (object);
LOG ("EphyModule %p finalising", module);
g_free (module->path);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
ephy_module_class_init (EphyModuleClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GTypeModuleClass *module_class = G_TYPE_MODULE_CLASS (class);
parent_class = (GObjectClass *) g_type_class_peek_parent (class);
object_class->finalize = ephy_module_finalize;
module_class->load = ephy_module_load;
module_class->unload = ephy_module_unload;
}
EphyModule *
ephy_module_new (const char *path)
{
EphyModule *result;
if (path == NULL || path[0] == '\0')
{
return NULL;
}
result = g_object_new (EPHY_TYPE_MODULE, NULL);
g_type_module_set_name (G_TYPE_MODULE (result), path);
result->path = g_strdup (path);
return result;
}
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