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133 lines
4.0 KiB
133 lines
4.0 KiB
/*****************************************************************************
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* vlm.c: Generic lua VLM wrapper
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*****************************************************************************
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* Copyright (C) 2007-2008 the VideoLAN team
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*
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* Authors: Antoine Cellerier <dionoea at videolan tod org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE
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#endif
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_vlm.h>
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#include "../vlc.h"
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#include "../libs.h"
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/*****************************************************************************
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*
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*****************************************************************************/
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#ifdef ENABLE_VLM
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static int vlclua_vlm_delete( lua_State * );
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static int vlclua_vlm_execute_command( lua_State * );
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static const luaL_Reg vlclua_vlm_reg[] = {
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{ "execute_command", vlclua_vlm_execute_command },
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{ NULL, NULL }
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};
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static int vlclua_vlm_new( lua_State *L )
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{
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vlc_object_t *p_this = vlclua_get_this( L );
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vlm_t *p_vlm = vlm_New( vlc_object_instance(p_this), NULL );
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if( !p_vlm )
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return luaL_error( L, "Cannot start VLM." );
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vlm_t **pp_vlm = lua_newuserdata( L, sizeof( vlm_t * ) );
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*pp_vlm = p_vlm;
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if( luaL_newmetatable( L, "vlm" ) )
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{
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lua_newtable( L );
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luaL_register( L, NULL, vlclua_vlm_reg );
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lua_setfield( L, -2, "__index" );
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lua_pushcfunction( L, vlclua_vlm_delete );
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lua_setfield( L, -2, "__gc" );
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}
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lua_setmetatable( L, -2 );
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return 1;
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}
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static int vlclua_vlm_delete( lua_State *L )
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{
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vlm_t **pp_vlm = (vlm_t**)luaL_checkudata( L, 1, "vlm" );
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vlm_Delete( *pp_vlm );
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return 0;
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}
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static void push_message( lua_State *L, vlm_message_t *message )
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{
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lua_createtable( L, 0, 2 );
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lua_pushstring( L, message->psz_name );
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lua_setfield( L, -2, "name" );
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if( message->i_child > 0 )
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{
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int i;
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lua_createtable( L, message->i_child, 0 );
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for( i = 0; i < message->i_child; i++ )
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{
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lua_pushinteger( L, i+1 );
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push_message( L, message->child[i] );
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lua_settable( L, -3 );
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}
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lua_setfield( L, -2, "children" );
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}
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if ( message->psz_value )
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{
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lua_pushstring( L, message->psz_value );
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lua_setfield( L, -2, "value" );
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}
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}
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static int vlclua_vlm_execute_command( lua_State *L )
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{
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vlm_t **pp_vlm = (vlm_t**)luaL_checkudata( L, 1, "vlm" );
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const char *psz_command = luaL_checkstring( L, 2 );
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vlm_message_t *message;
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int i_ret;
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i_ret = vlm_ExecuteCommand( *pp_vlm, psz_command, &message );
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lua_settop( L, 0 );
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push_message( L, message );
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vlm_MessageDelete( message );
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return 1 + vlclua_push_ret( L, i_ret );
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}
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#else
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static int vlclua_vlm_new( lua_State *L )
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{
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return luaL_error( L, "Cannot start VLM because it was disabled when compiling VLC." );
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}
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#endif
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/*****************************************************************************
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*
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*****************************************************************************/
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void luaopen_vlm( lua_State *L )
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{
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lua_pushcfunction( L, vlclua_vlm_new );
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lua_setfield( L, -2, "vlm" );
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}
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