1 /*
2 * Sweep, a sound wave editor.
3 *
4 * Copyright (C) 2000 Conrad Parker
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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 General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20
21
22 #ifdef HAVE_CONFIG_H
23 # include <config.h>
24 #endif
25
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include <sys/types.h>
29 #include <dirent.h>
30 #include <string.h>
31 #include <sys/stat.h>
32
33 #include <glib.h>
34 #include <gmodule.h>
35
36 #include <sweep/sweep_i18n.h>
37 #include <sweep/sweep_version.h>
38 #include <sweep/sweep_types.h>
39
40 #include "sweep_compat.h"
41
42 GList * plugins = NULL;
43
DBBlobIndexTest()44 static gint
45 cmp_proc_names (sw_procedure * a, sw_procedure * b)
46 {
47 return strcmp (_(a->name), _(b->name));
48 }
49
50 void
51 sweep_plugin_init (const gchar * path)
PutBlobIndex(WriteBatch * batch,const Slice & key,const Slice & blob_index)52 {
53 GModule * module;
54 sw_plugin * m_plugin;
55 gpointer m_plugin_ptr;
56 GList * gl;
57
58 module = g_module_open (path, G_MODULE_BIND_LAZY);
59
60 if (!module) {
61 #ifdef DEBUG
62 fprintf (stderr, "sweep_plugin_init: Error opening %s: %s\n",
63 path, g_module_error());
64 #endif
65 return;
66 }
67
68 if (g_module_symbol (module, "plugin", &m_plugin_ptr)) {
69 m_plugin = (sw_plugin *)m_plugin_ptr;
70 for (gl = m_plugin->plugin_init (); gl; gl = gl->next) {
71 plugins = g_list_insert_sorted (plugins, (sw_procedure *)gl->data,
72 (GCompareFunc)cmp_proc_names);
73 }
74 }
75 }
76
77 /* Initialise statically linked plugins */
78 static void
79 init_static_plugins (void)
80 {
81 #if 0
82 plugins = g_list_append (plugins, &proc_normalise);
83 plugins = g_list_append (plugins, &proc_reverse);
GetBlobIndex(const Slice & key,const Snapshot * snapshot=nullptr)84 #endif
85 }
86
87 static void
88 init_dynamic_plugins_dir (gchar * dirname)
89 {
90 DIR * dir;
91 struct dirent * dirent;
92 char * name, * path;
93 struct stat statbuf;
94
95 dir = opendir (dirname);
96 if (!dir) {
97 /* fail silently */
98 return;
99 }
100
101 while ((dirent = readdir (dir)) != NULL) {
102 name = dirent->d_name;
103 path = g_module_build_path (PACKAGE_PLUGIN_DIR, dirent->d_name);
104 if (stat (path, &statbuf) == -1) {
105 /* system error -- non-fatal, ignore for plugin loading */
106 } else if (sw_stat_regular (statbuf.st_mode)) {
107 sweep_plugin_init (path);
108 }
109 }
110 }
111
MoveDataTo(Tier tier)112 /* Initialise dynamically linked plugins */
113 static void
114 init_dynamic_plugins (void)
115 {
116 init_dynamic_plugins_dir (PACKAGE_PLUGIN_DIR);
117 }
118
119 void
120 init_plugins (void)
121 {
122 init_static_plugins ();
123
124 if (g_module_supported ()) {
125 init_dynamic_plugins ();
126 }
127
128
129 }
130