1 /* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ 2 /* 3 * gsf-impl-utils.h: 4 * 5 * Copyright (C) 2002-2006 Jody Goldberg (jody@gnome.org) 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of version 2.1 of the GNU Lesser General Public 9 * License as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 19 * USA 20 */ 21 22 #ifndef GSF_IMPL_UTILS_H 23 #define GSF_IMPL_UTILS_H 24 25 #include <gsf/gsf.h> 26 #include <glib-object.h> 27 28 G_BEGIN_DECLS 29 30 /* kept for compatibility reasons */ 31 #define GSF_PARAM_STATIC G_PARAM_STATIC_STRINGS 32 33 /*************************************************************************/ 34 35 #define GSF_CLASS_FULL(name, prefix, base_init, base_finalize, \ 36 class_init, class_finalize, instance_init, parent_type, \ 37 abstract, interface_decl) \ 38 GType \ 39 prefix ## _get_type (void) \ 40 { \ 41 static GType type = 0; \ 42 if (G_UNLIKELY (type == 0)) { \ 43 static GTypeInfo const object_info = { \ 44 sizeof (name ## Class), \ 45 (GBaseInitFunc) base_init, \ 46 (GBaseFinalizeFunc) base_finalize, \ 47 (GClassInitFunc) class_init, \ 48 (GClassFinalizeFunc) class_finalize, \ 49 NULL, /* class_data */ \ 50 sizeof (name), \ 51 0, /* n_preallocs */ \ 52 (GInstanceInitFunc) instance_init, \ 53 NULL \ 54 }; \ 55 type = g_type_register_static (parent_type, #name, \ 56 &object_info, (GTypeFlags) abstract); \ 57 interface_decl \ 58 } \ 59 return type; \ 60 } 61 62 /** 63 * GSF_CLASS: 64 * @name: Name of the class. 65 * @prefix: Symbol prefix designating the namespace to be used for 66 * implementing the class. 67 * @class_init: Initialisation function of type #GClassInitFunc for the class. 68 * @instance_init: Initialisation function of type #GInstanceInitFunc 69 * for an instance of the class. 70 * @parent: Parent class to this class. 71 * 72 * Set up a GSF class. 73 * 74 */ 75 #define GSF_CLASS(name, prefix, class_init, instance_init, parent) \ 76 GSF_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \ 77 instance_init, parent, 0, {}) 78 #define GSF_CLASS_ABSTRACT(name, prefix, class_init, instance_init, parent) \ 79 GSF_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \ 80 instance_init, parent, G_TYPE_FLAG_ABSTRACT, {}) 81 82 #define GSF_INTERFACE_FULL(type, init_func, iface_type) { \ 83 static GInterfaceInfo const iface = { \ 84 (GInterfaceInitFunc) init_func, NULL, NULL }; \ 85 g_type_add_interface_static (type, iface_type, &iface); \ 86 } 87 88 #define GSF_INTERFACE(init_func, iface_type) \ 89 GSF_INTERFACE_FULL(type, init_func, iface_type) 90 91 /*************************************************************************/ 92 93 #define GSF_DYNAMIC_CLASS_FULL(name, prefix, base_init, base_finalize, \ 94 class_init, class_finalize, instance_init, parent_type, \ 95 abstract, interface_decl) \ 96 static GType prefix ## _type; \ 97 \ 98 GType prefix ## _get_type (void); \ 99 void prefix ## _register_type (GTypeModule *module); \ 100 \ 101 GType \ 102 prefix ## _get_type (void) \ 103 { \ 104 g_return_val_if_fail (prefix ## _type != 0, 0); \ 105 return prefix ## _type; \ 106 } \ 107 void \ 108 prefix ## _register_type (GTypeModule *module) \ 109 { \ 110 GTypeInfo const type_info = { \ 111 sizeof (name ## Class), \ 112 (GBaseInitFunc) base_init, \ 113 (GBaseFinalizeFunc) base_finalize, \ 114 (GClassInitFunc) class_init, \ 115 (GClassFinalizeFunc) class_finalize, \ 116 NULL, /* class_data */ \ 117 sizeof (name), \ 118 0, /* n_preallocs */ \ 119 (GInstanceInitFunc) instance_init, \ 120 NULL \ 121 }; \ 122 GType type; \ 123 \ 124 g_return_if_fail (prefix ## _type == 0); \ 125 \ 126 prefix ## _type = type = g_type_module_register_type (module, \ 127 parent_type, #name, &type_info, (GTypeFlags) abstract); \ 128 interface_decl \ 129 } 130 131 #define GSF_DYNAMIC_CLASS(name, prefix, class_init, instance_init, parent) \ 132 GSF_DYNAMIC_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \ 133 instance_init, parent, 0, {}) 134 #define GSF_DYNAMIC_CLASS_ABSTRACT(name, prefix, class_init, instance_init, parent) \ 135 GSF_DYNAMIC_CLASS_FULL(name, prefix, NULL, NULL, class_init, NULL, \ 136 instance_init, parent, G_TYPE_FLAG_ABSTRACT, {}) 137 138 #define GSF_DYNAMIC_INTERFACE_FULL(type, init_func, iface_type, module) { \ 139 GInterfaceInfo const iface = { \ 140 (GInterfaceInitFunc) init_func, NULL, NULL }; \ 141 g_type_module_add_interface (module, type, iface_type, &iface); \ 142 } 143 144 #define GSF_DYNAMIC_INTERFACE(init_func, iface_type, module) \ 145 GSF_DYNAMIC_INTERFACE_FULL(type, init_func, iface_type, module) 146 147 G_END_DECLS 148 149 #endif /* GSF_IMPL_UTILS_H */ 150