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/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* gsf-impl-utils.h:
*
* Copyright (C) 2002-2006 Jody Goldberg (jody@gnome.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2.1 of the GNU Lesser General Public
* License as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#ifndef GSF_IMPL_UTILS_H
#define GSF_IMPL_UTILS_H
#include <gsf/gsf.h>
#include <glib-object.h>
G_BEGIN_DECLS
/* We need to do this with a version check as this header gets installed.
*
* DEPRECATED in favour of G_PARAM_STATIC_STRINGS
**/
#if GLIB_CHECK_VERSION(2,7,0)
#define GSF_PARAM_STATIC (G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB)
#else
#define GSF_PARAM_STATIC 0
#endif
/*************************************************************************/
#define GSF_CLASS_FULL(name, prefix, base_init, base_finalize, \
class_init, class_finalize, instance_init, parent_type, \
abstract, interface_decl) \
GType \
prefix ## _get_type (void) \
{ \
static GType type = 0; \
if (G_UNLIKELY (type == 0)) { \
static GTypeInfo const object_info = { \
sizeof (name ## Class), \
(GBaseInitFunc) base_init, \
(GBaseFinalizeFunc) base_finalize, \
(GClassInitFunc) class_init, \
(GClassFinalizeFunc) class_finalize, \
NULL, /* class_data */ \
sizeof (name), \
0, /* n_preallocs */ \
(GInstanceInitFunc) instance_init, \
NULL \
}; \
type = g_type_register_static (parent_type, #name, \
&object_info, (GTypeFlags) abstract); \
interface_decl \
} \
return type; \
}
/**
* GSF_CLASS:
* @name: Name of the class.
* @prefix: Symbol prefix designating the namespace to be used for
* implementing the class.
* @class_init: Initialisation function of type #GClassInitFunc for the class.
* @instance_init: Initialisation function of type #GInstanceInitFunc
* for an instance of the class.
* @parent: Parent class to this class.
*
* Set up a GSF class.
*
*/
#define GSF_CLASS(name, prefix, class_init, instance_init, parent) \
GSF_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \
instance_init, parent, 0, {})
#define GSF_CLASS_ABSTRACT(name, prefix, class_init, instance_init, parent) \
GSF_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \
instance_init, parent, G_TYPE_FLAG_ABSTRACT, {})
#define GSF_INTERFACE_FULL(type, init_func, iface_type) { \
static GInterfaceInfo const iface = { \
(GInterfaceInitFunc) init_func, NULL, NULL }; \
g_type_add_interface_static (type, iface_type, &iface); \
}
#define GSF_INTERFACE(init_func, iface_type) \
GSF_INTERFACE_FULL(type, init_func, iface_type)
/*************************************************************************/
#define GSF_DYNAMIC_CLASS_FULL(name, prefix, base_init, base_finalize, \
class_init, class_finalize, instance_init, parent_type, \
abstract, interface_decl) \
static GType prefix ## _type; \
\
GType prefix ## _get_type (void); \
void prefix ## _register_type (GTypeModule *module); \
\
GType \
prefix ## _get_type (void) \
{ \
g_return_val_if_fail (prefix ## _type != 0, 0); \
return prefix ## _type; \
} \
void \
prefix ## _register_type (GTypeModule *module) \
{ \
GTypeInfo const type_info = { \
sizeof (name ## Class), \
(GBaseInitFunc) base_init, \
(GBaseFinalizeFunc) base_finalize, \
(GClassInitFunc) class_init, \
(GClassFinalizeFunc) class_finalize, \
NULL, /* class_data */ \
sizeof (name), \
0, /* n_preallocs */ \
(GInstanceInitFunc) instance_init, \
NULL \
}; \
GType type; \
\
g_return_if_fail (prefix ## _type == 0); \
\
prefix ## _type = type = g_type_module_register_type (module, \
parent_type, #name, &type_info, (GTypeFlags) abstract); \
interface_decl \
}
#define GSF_DYNAMIC_CLASS(name, prefix, class_init, instance_init, parent) \
GSF_DYNAMIC_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \
instance_init, parent, 0, {})
#define GSF_DYNAMIC_CLASS_ABSTRACT(name, prefix, class_init, instance_init, parent) \
GSF_DYNAMIC_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \
instance_init, parent, G_TYPE_FLAG_ABSTRACT, {})
#define GSF_DYNAMIC_INTERFACE_FULL(type, init_func, iface_type, module) { \
GInterfaceInfo const iface = { \
(GInterfaceInitFunc) init_func, NULL, NULL }; \
g_type_module_add_interface (module, type, iface_type, &iface); \
}
#define GSF_DYNAMIC_INTERFACE(init_func, iface_type, module) \
GSF_DYNAMIC_INTERFACE_FULL(type, init_func, iface_type, module)
G_END_DECLS
#endif /* GSF_IMPL_UTILS_H */
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