1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2007-2008 the VideoLAN team
7 * Authors: Antoine Cellerier <dionoea at videolan tod org>
8 * Pierre d'Herbemont <pdherbemont # videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
36 #include <vlc_common.h>
37 #include <vlc_plugin.h>
40 #include <vlc_interface.h>
43 #include <lua.h> /* Low level lua C API */
44 #include <lauxlib.h> /* Higher level C API */
45 #include <lualib.h> /* Lua libs */
50 #undef vlclua_set_this
51 /*****************************************************************************
52 * Internal lua<->vlc utils
53 *****************************************************************************/
54 void vlclua_set_this( lua_State *L, vlc_object_t *p_this )
56 lua_pushlightuserdata( L, vlclua_set_this );
57 lua_pushlightuserdata( L, p_this );
58 lua_rawset( L, LUA_REGISTRYINDEX );
61 vlc_object_t * vlclua_get_this( lua_State *L )
63 lua_pushlightuserdata( L, vlclua_set_this );
64 lua_rawget( L, LUA_REGISTRYINDEX );
65 vlc_object_t *p_this = (vlc_object_t*)lua_topointer( L, -1 );
70 /*****************************************************************************
71 * VLC error code translation
72 *****************************************************************************/
73 int vlclua_push_ret( lua_State *L, int i_error )
75 lua_pushnumber( L, i_error );
76 lua_pushstring( L, vlc_error( i_error ) );
80 /*****************************************************************************
81 * Get the VLC version string
82 *****************************************************************************/
83 static int vlclua_version( lua_State *L )
85 lua_pushstring( L, VLC_Version() );
89 /*****************************************************************************
90 * Get the VLC copyright
91 *****************************************************************************/
92 static int vlclua_copyright( lua_State *L )
94 lua_pushliteral( L, COPYRIGHT_MESSAGE );
98 /*****************************************************************************
99 * Get the VLC license msg/disclaimer
100 *****************************************************************************/
101 static int vlclua_license( lua_State *L )
103 lua_pushstring( L, LICENSE_MSG );
107 /*****************************************************************************
109 *****************************************************************************/
110 static int vlclua_quit( lua_State *L )
112 vlc_object_t *p_this = vlclua_get_this( L );
113 /* The rc.c code also stops the playlist ... not sure if this is needed
115 libvlc_Quit( p_this->p_libvlc );
119 /*****************************************************************************
120 * Global properties getters
121 *****************************************************************************/
122 static int vlclua_datadir( lua_State *L )
124 char *psz_data = config_GetDataDir( vlclua_get_this( L ) );
125 lua_pushstring( L, psz_data );
130 static int vlclua_userdatadir( lua_State *L )
132 char *dir = config_GetUserDir( VLC_DATA_DIR );
133 lua_pushstring( L, dir );
138 static int vlclua_homedir( lua_State *L )
140 char *home = config_GetUserDir( VLC_HOME_DIR );
141 lua_pushstring( L, home );
146 static int vlclua_configdir( lua_State *L )
148 char *dir = config_GetUserDir( VLC_CONFIG_DIR );
149 lua_pushstring( L, dir );
154 static int vlclua_cachedir( lua_State *L )
156 char *dir = config_GetUserDir( VLC_CACHE_DIR );
157 lua_pushstring( L, dir );
162 static int vlclua_datadir_list( lua_State *L )
164 const char *psz_dirname = luaL_checkstring( L, 1 );
165 char **ppsz_dir_list = NULL;
168 if( vlclua_dir_list( vlclua_get_this( L ), psz_dirname, &ppsz_dir_list )
172 for( char **ppsz_dir = ppsz_dir_list; *ppsz_dir; ppsz_dir++ )
174 lua_pushstring( L, *ppsz_dir );
175 lua_rawseti( L, -2, i );
178 vlclua_dir_list_free( ppsz_dir_list );
181 /*****************************************************************************
183 *****************************************************************************/
184 static int vlclua_lock_and_wait( lua_State *L )
186 intf_thread_t *p_intf = (intf_thread_t *)vlclua_get_this( L );
187 intf_sys_t *p_sys = p_intf->p_sys;
189 vlc_mutex_lock( &p_sys->lock );
190 mutex_cleanup_push( &p_sys->lock );
191 while( !p_sys->exiting )
192 vlc_cond_wait( &p_sys->wait, &p_sys->lock );
194 lua_pushboolean( L, 1 );
198 static int vlclua_mdate( lua_State *L )
200 lua_pushnumber( L, mdate() );
204 static int vlclua_mwait( lua_State *L )
206 double f = luaL_checknumber( L, 1 );
211 static int vlclua_intf_should_die( lua_State *L )
213 intf_thread_t *p_intf = (intf_thread_t*)vlclua_get_this( L );
214 lua_pushboolean( L, p_intf->p_sys->exiting );
218 static int vlclua_action_id( lua_State *L )
220 vlc_key_t i_key = vlc_GetActionId( luaL_checkstring( L, 1 ) );
223 lua_pushnumber( L, i_key );
227 /*****************************************************************************
229 *****************************************************************************/
230 static const luaL_Reg vlclua_misc_reg[] = {
231 { "version", vlclua_version },
232 { "copyright", vlclua_copyright },
233 { "license", vlclua_license },
235 { "datadir", vlclua_datadir },
236 { "userdatadir", vlclua_userdatadir },
237 { "homedir", vlclua_homedir },
238 { "configdir", vlclua_configdir },
239 { "cachedir", vlclua_cachedir },
240 { "datadir_list", vlclua_datadir_list },
242 { "action_id", vlclua_action_id },
244 { "mdate", vlclua_mdate },
245 { "mwait", vlclua_mwait },
247 { "lock_and_wait", vlclua_lock_and_wait },
249 { "should_die", vlclua_intf_should_die },
250 { "quit", vlclua_quit },
255 void luaopen_misc( lua_State *L )
258 luaL_register( L, NULL, vlclua_misc_reg );
259 lua_setfield( L, -2, "misc" );