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/* GObject - GLib Type, Object, Parameter and Signal Library
* Copyright (C) 2000 Red Hat, Inc.
*
* 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
#error "Only <glib-object.h> can be included directly."
#endif
#ifndef __G_TYPE_PLUGIN_H__
#define __G_TYPE_PLUGIN_H__
#include <gobject/gtype.h>
G_BEGIN_DECLS
/* --- type macros --- */
#define G_TYPE_TYPE_PLUGIN (g_type_plugin_get_type ())
#define G_TYPE_PLUGIN(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), G_TYPE_TYPE_PLUGIN, GTypePlugin))
#define G_TYPE_PLUGIN_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST ((vtable), G_TYPE_TYPE_PLUGIN, GTypePluginClass))
#define G_IS_TYPE_PLUGIN(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_TYPE_PLUGIN))
#define G_IS_TYPE_PLUGIN_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE ((vtable), G_TYPE_TYPE_PLUGIN))
#define G_TYPE_PLUGIN_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), G_TYPE_TYPE_PLUGIN, GTypePluginClass))
/* --- typedefs & structures --- */
typedef struct _GTypePluginClass GTypePluginClass;
/**
* GTypePluginUse:
* @plugin: the #GTypePlugin whose use count should be increased
*
* The type of the @use_plugin function of #GTypePluginClass, which gets called
* to increase the use count of @plugin.
*/
typedef void (*GTypePluginUse) (GTypePlugin *plugin);
/**
* GTypePluginUnuse:
* @plugin: the #GTypePlugin whose use count should be decreased
*
* The type of the @unuse_plugin function of #GTypePluginClass.
*/
typedef void (*GTypePluginUnuse) (GTypePlugin *plugin);
/**
* GTypePluginCompleteTypeInfo:
* @plugin: the #GTypePlugin
* @g_type: the #GType whose info is completed
* @info: the #GTypeInfo struct to fill in
* @value_table: the #GTypeValueTable to fill in
*
* The type of the @complete_type_info function of #GTypePluginClass.
*/
typedef void (*GTypePluginCompleteTypeInfo) (GTypePlugin *plugin,
GType g_type,
GTypeInfo *info,
GTypeValueTable *value_table);
/**
* GTypePluginCompleteInterfaceInfo:
* @plugin: the #GTypePlugin
* @instance_type: the #GType of an instantiable type to which the interface
* is added
* @interface_type: the #GType of the interface whose info is completed
* @info: the #GInterfaceInfo to fill in
*
* The type of the @complete_interface_info function of #GTypePluginClass.
*/
typedef void (*GTypePluginCompleteInterfaceInfo) (GTypePlugin *plugin,
GType instance_type,
GType interface_type,
GInterfaceInfo *info);
/**
* GTypePlugin:
*
* The <structname>GTypePlugin</structname> typedef is used as a placeholder
* for objects that implement the <structname>GTypePlugin</structname>
* interface.
*/
/**
* GTypePluginClass:
* @use_plugin: Increases the use count of the plugin.
* @unuse_plugin: Decreases the use count of the plugin.
* @complete_type_info: Fills in the #GTypeInfo and
* #GTypeValueTable structs for the type. The structs are initialized
* with <literal>memset(s, 0, sizeof (s))</literal> before calling
* this function.
* @complete_interface_info: Fills in missing parts of the #GInterfaceInfo
* for the interface. The structs is initialized with
* <literal>memset(s, 0, sizeof (s))</literal> before calling
* this function.
*
* The #GTypePlugin interface is used by the type system in order to handle
* the lifecycle of dynamically loaded types.
*/
struct _GTypePluginClass
{
/*< private >*/
GTypeInterface base_iface;
/*< public >*/
GTypePluginUse use_plugin;
GTypePluginUnuse unuse_plugin;
GTypePluginCompleteTypeInfo complete_type_info;
GTypePluginCompleteInterfaceInfo complete_interface_info;
};
/* --- prototypes --- */
GType g_type_plugin_get_type (void) G_GNUC_CONST;
void g_type_plugin_use (GTypePlugin *plugin);
void g_type_plugin_unuse (GTypePlugin *plugin);
void g_type_plugin_complete_type_info (GTypePlugin *plugin,
GType g_type,
GTypeInfo *info,
GTypeValueTable *value_table);
void g_type_plugin_complete_interface_info (GTypePlugin *plugin,
GType instance_type,
GType interface_type,
GInterfaceInfo *info);
G_END_DECLS
#endif /* __G_TYPE_PLUGIN_H__ */
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