1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/*
* pluma-plugin-loader-c.c
* This file is part of pluma
*
* Copyright (C) 2008 - Jesse van den Kieboom
*
* 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 of the License, 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.
*/
#include "pluma-plugin-loader-c.h"
#include <pluma/pluma-object-module.h>
#define PLUMA_PLUGIN_LOADER_C_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE((object), PLUMA_TYPE_PLUGIN_LOADER_C, PlumaPluginLoaderCPrivate))
struct _PlumaPluginLoaderCPrivate
{
GHashTable *loaded_plugins;
};
static void pluma_plugin_loader_iface_init (gpointer g_iface, gpointer iface_data);
PLUMA_PLUGIN_LOADER_REGISTER_TYPE (PlumaPluginLoaderC, pluma_plugin_loader_c, G_TYPE_OBJECT, pluma_plugin_loader_iface_init);
static const gchar *
pluma_plugin_loader_iface_get_id (void)
{
return "C";
}
static PlumaPlugin *
pluma_plugin_loader_iface_load (PlumaPluginLoader *loader,
PlumaPluginInfo *info,
const gchar *path)
{
PlumaPluginLoaderC *cloader = PLUMA_PLUGIN_LOADER_C (loader);
PlumaObjectModule *module;
const gchar *module_name;
PlumaPlugin *result;
module = (PlumaObjectModule *)g_hash_table_lookup (cloader->priv->loaded_plugins, info);
module_name = pluma_plugin_info_get_module_name (info);
if (module == NULL)
{
/* For now we force all modules to be resident */
module = pluma_object_module_new (module_name,
path,
"register_pluma_plugin",
TRUE);
/* Infos are available for all the lifetime of the loader.
* If this changes, we should use weak refs or something */
g_hash_table_insert (cloader->priv->loaded_plugins, info, module);
}
if (!g_type_module_use (G_TYPE_MODULE (module)))
{
g_warning ("Could not load plugin module: %s", pluma_plugin_info_get_name (info));
return NULL;
}
/* TODO: for now we force data-dir-name = module-name... if needed we can
* add a datadir field to the plugin descriptor file.
*/
result = (PlumaPlugin *)pluma_object_module_new_object (module,
"install-dir", path,
"data-dir-name", module_name,
NULL);
if (!result)
{
g_warning ("Could not create plugin object: %s", pluma_plugin_info_get_name (info));
g_type_module_unuse (G_TYPE_MODULE (module));
return NULL;
}
g_type_module_unuse (G_TYPE_MODULE (module));
return result;
}
static void
pluma_plugin_loader_iface_unload (PlumaPluginLoader *loader,
PlumaPluginInfo *info)
{
//PlumaPluginLoaderC *cloader = PLUMA_PLUGIN_LOADER_C (loader);
/* this is a no-op, since the type module will be properly unused as
the last reference to the plugin dies. When the plugin is activated
again, the library will be reloaded */
}
static void
pluma_plugin_loader_iface_init (gpointer g_iface,
gpointer iface_data)
{
PlumaPluginLoaderInterface *iface = (PlumaPluginLoaderInterface *)g_iface;
iface->get_id = pluma_plugin_loader_iface_get_id;
iface->load = pluma_plugin_loader_iface_load;
iface->unload = pluma_plugin_loader_iface_unload;
}
static void
pluma_plugin_loader_c_finalize (GObject *object)
{
PlumaPluginLoaderC *cloader = PLUMA_PLUGIN_LOADER_C (object);
GList *infos;
GList *item;
/* FIXME: this sanity check it's not efficient. Let's remove it
* once we are confident with the code */
infos = g_hash_table_get_keys (cloader->priv->loaded_plugins);
for (item = infos; item; item = item->next)
{
PlumaPluginInfo *info = (PlumaPluginInfo *)item->data;
if (pluma_plugin_info_is_active (info))
{
g_warning ("There are still C plugins loaded during destruction");
break;
}
}
g_list_free (infos);
g_hash_table_destroy (cloader->priv->loaded_plugins);
G_OBJECT_CLASS (pluma_plugin_loader_c_parent_class)->finalize (object);
}
static void
pluma_plugin_loader_c_class_init (PlumaPluginLoaderCClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = pluma_plugin_loader_c_finalize;
g_type_class_add_private (object_class, sizeof (PlumaPluginLoaderCPrivate));
}
static void
pluma_plugin_loader_c_class_finalize (PlumaPluginLoaderCClass *klass)
{
}
static void
pluma_plugin_loader_c_init (PlumaPluginLoaderC *self)
{
self->priv = PLUMA_PLUGIN_LOADER_C_GET_PRIVATE (self);
/* loaded_plugins maps PlumaPluginInfo to a PlumaObjectModule */
self->priv->loaded_plugins = g_hash_table_new (g_direct_hash,
g_direct_equal);
}
PlumaPluginLoaderC *
pluma_plugin_loader_c_new ()
{
GObject *loader = g_object_new (PLUMA_TYPE_PLUGIN_LOADER_C, NULL);
return PLUMA_PLUGIN_LOADER_C (loader);
}
|
