/usr/include/grilo-0.3/grl-registry.h is in libgrilo-0.3-dev 0.3.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2010, 2011 Igalia S.L.
*
* Contact: Iago Toral Quiroga <itoral@igalia.com>
*
* 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; version 2.1 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
*
*/
#if !defined (_GRILO_H_INSIDE_) && !defined (GRILO_COMPILATION)
#error "Only <grilo.h> can be included directly."
#endif
#ifndef _GRL_REGISTRY_H_
#define _GRL_REGISTRY_H_
#include <glib.h>
#include <glib-object.h>
#include <gmodule.h>
#include <grl-source.h>
#include <grl-metadata-key.h>
#include <grl-config.h>
#include <grl-definitions.h>
#include <grl-plugin.h>
#define GRL_PLUGIN_PATH_VAR "GRL_PLUGIN_PATH"
#define GRL_PLUGIN_LIST_VAR "GRL_PLUGIN_LIST"
#define GRL_PLUGIN_RANKS_VAR "GRL_PLUGIN_RANKS"
/* Macros */
#define GRL_TYPE_REGISTRY \
(grl_registry_get_type ())
#define GRL_REGISTRY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
GRL_TYPE_REGISTRY, \
GrlRegistry))
#define GRL_IS_REGISTRY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
GRL_TYPE_REGISTRY))
#define GRL_REGISTRY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GRL_TYPE_REGISTRY, \
GrlRegistryClass))
#define GRL_IS_REGISTRY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), \
GRL_TYPE_REGISTRY))
#define GRL_REGISTRY_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), \
GRL_TYPE_REGISTRY, \
GrlRegistryClass))
/* Plugin registration */
/**
* GRL_PLUGIN_DEFINE:
* @major_version: the major version number of core that plugin was compiled for
* @minor_version: the minor version number of core that plugin was compiled for
* @id: the plugin identifier
* @name: name of plugin
* @description: description of plugin
* @author: author of plugin
* @version: version of plugin
* @license: license of plugin
* @site: URL to provider of plugin
* @init: the module initialization. It shall instantiate
* the #GrlPlugins provided
* @deinit: (allow-none): function to execute when the registry needs to dispose
* the module.
* @register_keys: (allow-none): function to execute before loading the
* plugin. It's aim is to register new keys
*
* Since: 0.3.0
*/
#define GRL_PLUGIN_DEFINE(major, \
minor, \
id, \
name, \
description, \
author, \
version, \
license, \
site, \
init, \
deinit, \
register_keys) \
G_MODULE_EXPORT GrlPluginDescriptor GRL_PLUGIN_DESCRIPTOR = { \
major, \
minor, \
id, \
name, \
description, \
author, \
version, \
license, \
site, \
init, \
deinit, \
register_keys \
}
/* Plugin descriptor */
typedef struct _GrlRegistry GrlRegistry;
typedef struct _GrlPluginDescriptor GrlPluginDescriptor;
typedef gboolean (*GrlPluginInitFunc) (GrlRegistry *registry,
GrlPlugin *plugin,
GList *configs);
typedef void (*GrlPluginDeinitFunc) (GrlPlugin *plugin);
typedef void (*GrlPluginRegisterKeysFunc) (GrlRegistry *registry,
GrlPlugin *plugin);
/**
* GrlPluginDescriptor:
* @major_version: the major version number of core that plugin was compiled for
* @minor_version: the minor version number of core that plugin was compiled for
* @id: the plugin identifier
* @name: name of plugin
* @description: description of plugin
* @author: author of plugin
* @version: version of plugin
* @license: license of plugin
* @site: URL to provider of plugin
* @plugin_init: the module initialization. It shall instantiate
* the #GrlPlugins provided
* @plugin_deinit: function to execute when the registry needs
* to dispose the module.
* @plugin_register_keys: function to execute before loading the plugin. It's aim
* is to register new keys
*
* This structure is used for the module loader
*
* Since: 0.3.0
*/
struct _GrlPluginDescriptor {
gint major_version;
gint minor_version;
gchar *id;
gchar *name;
gchar *description;
gchar *author;
gchar *version;
gchar *license;
gchar *site;
GrlPluginInitFunc init;
GrlPluginDeinitFunc deinit;
GrlPluginRegisterKeysFunc register_keys;
/*< private >*/
gpointer _grl_reserved[GRL_PADDING];
};
/* Plugin ranks */
/**
* GrlRank:
* @GRL_RANK_LOWEST: will be chosen last or not at all
* @GRL_RANK_LOW: unlikely to be chosen
* @GRL_RANK_DEFAULT: likely to be chosen
* @GRL_RANK_HIGH: will be chosen
* @GRL_RANK_HIGHEST: will be chosen first
*
* Source priority ranks. Defines the order in which the resolver
* (or similar rank-picking mechanisms) will choose this source
* over an alternative one with the same function.
*
* These constants serve as a rough guidance for defining the rank
* of a GrlSource. Any value is valid, including values bigger
* than GRL_RANK_HIGHEST.
*/
typedef enum {
GRL_RANK_LOWEST = -64,
GRL_RANK_LOW = -32,
GRL_RANK_DEFAULT = 0,
GRL_RANK_HIGH = 32,
GRL_RANK_HIGHEST = 64
} GrlRank;
/* GrlRegistry object */
typedef struct _GrlRegistryPrivate GrlRegistryPrivate;
struct _GrlRegistry {
GObject parent;
/*< private >*/
GrlRegistryPrivate *priv;
gpointer _grl_reserved[GRL_PADDING];
};
/* GrlRegistry class */
typedef struct _GrlRegistryClass GrlRegistryClass;
/**
* GrlRegistryClass:
* @parent_class: the parent class structure
*
* Grilo Registry class. Dynamic loader of plugins.
*/
struct _GrlRegistryClass {
GObjectClass parent_class;
/*< private >*/
gpointer _grl_reserved[GRL_PADDING];
};
G_BEGIN_DECLS
GType grl_registry_get_type (void);
GrlRegistry *grl_registry_get_default (void);
void grl_registry_add_directory (GrlRegistry *registry,
const gchar *path);
gboolean grl_registry_load_plugin (GrlRegistry *registry,
const gchar *library_filename,
GError **error);
gboolean grl_registry_load_plugin_from_desc (GrlRegistry *registry,
GrlPluginDescriptor *plugin_desc,
GError **error);
gboolean grl_registry_load_plugin_directory (GrlRegistry *registry,
const gchar *path,
GError **error);
gboolean grl_registry_unload_plugin (GrlRegistry *registry,
const gchar *plugin_id,
GError **error);
gboolean grl_registry_activate_all_plugins (GrlRegistry *registry);
gboolean grl_registry_load_all_plugins (GrlRegistry *registry,
gboolean activate,
GError **error);
gboolean grl_registry_activate_plugin_by_id (GrlRegistry *registry,
const gchar *plugin_id,
GError **error);
gboolean grl_registry_register_source (GrlRegistry *registry,
GrlPlugin *plugin,
GrlSource *source,
GError **error);
gboolean grl_registry_unregister_source (GrlRegistry *registry,
GrlSource *source,
GError **error);
GrlSource *grl_registry_lookup_source (GrlRegistry *registry,
const gchar *source_id);
GList *grl_registry_get_sources (GrlRegistry *registry,
gboolean ranked);
GList *grl_registry_get_sources_by_operations (GrlRegistry *registry,
GrlSupportedOps ops,
gboolean ranked);
GrlPlugin *grl_registry_lookup_plugin (GrlRegistry *registry,
const gchar *plugin_id);
GList *grl_registry_get_plugins (GrlRegistry *registry,
gboolean only_loaded);
GrlKeyID grl_registry_register_metadata_key (GrlRegistry *registry,
GParamSpec *param_spec,
GrlKeyID bind_key,
GError **error);
GrlKeyID grl_registry_lookup_metadata_key (GrlRegistry *registry,
const gchar *key_name);
const GList *grl_registry_lookup_metadata_key_relation (GrlRegistry *registry,
GrlKeyID key);
const gchar *grl_registry_lookup_metadata_key_name (GrlRegistry *registry,
GrlKeyID key);
const gchar *grl_registry_lookup_metadata_key_desc (GrlRegistry *registry,
GrlKeyID key);
GType grl_registry_lookup_metadata_key_type (GrlRegistry *registry,
GrlKeyID key);
gboolean grl_registry_metadata_key_validate (GrlRegistry *registry,
GrlKeyID key,
GValue *value);
GList *grl_registry_get_metadata_keys (GrlRegistry *registry);
gboolean grl_registry_add_config (GrlRegistry *registry,
GrlConfig *config,
GError **error);
gboolean grl_registry_add_config_from_file (GrlRegistry *registry,
const gchar *config_file,
GError **error);
gboolean grl_registry_add_config_from_resource (GrlRegistry *registry,
const gchar *resource_path,
GError **error);
G_END_DECLS
#endif /* _GRL_REGISTRY_H_ */
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