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877 lines
31 KiB
877 lines
31 KiB
/*****************************************************************************
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* vlc.c: Generic lua interface functions
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*****************************************************************************
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* Copyright (C) 2007-2008 the VideoLAN team
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* $Id$
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*
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* Authors: Antoine Cellerier <dionoea at videolan tod org>
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* Pierre d'Herbemont <pdherbemont # videolan.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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <assert.h>
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#include <sys/stat.h>
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#define VLC_MODULE_LICENSE VLC_LICENSE_GPL_2_PLUS
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#include "vlc.h"
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#include <vlc_plugin.h>
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#include <vlc_charset.h>
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#include <vlc_fs.h>
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#include <vlc_services_discovery.h>
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#include <vlc_stream.h>
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define INTF_TEXT N_("Lua interface")
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#define INTF_LONGTEXT N_("Lua interface module to load")
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#define CONFIG_TEXT N_("Lua interface configuration")
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#define CONFIG_LONGTEXT N_("Lua interface configuration string. Format is: '[\"<interface module name>\"] = { <option> = <value>, ...}, ...'.")
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#define PASS_TEXT N_( "Password" )
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#define PASS_LONGTEXT N_( "A single password restricts access " \
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"to this interface." )
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#define SRC_TEXT N_( "Source directory" )
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#define SRC_LONGTEXT N_( "Source directory" )
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#define INDEX_TEXT N_( "Directory index" )
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#define INDEX_LONGTEXT N_( "Allow to build directory index" )
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#define TELNETHOST_TEXT N_( "Host" )
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#define TELNETHOST_LONGTEXT N_( "This is the host on which the " \
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"interface will listen. It defaults to all network interfaces (0.0.0.0)." \
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" If you want this interface to be available only on the local " \
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"machine, enter \"127.0.0.1\"." )
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#define TELNETPORT_TEXT N_( "Port" )
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#define TELNETPORT_LONGTEXT N_( "This is the TCP port on which this " \
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"interface will listen. It defaults to 4212." )
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#define TELNETPWD_TEXT N_( "Password" )
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#define TELNETPWD_LONGTEXT N_( "A single password restricts access " \
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"to this interface." )
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#define RCHOST_TEXT N_("TCP command input")
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#define RCHOST_LONGTEXT N_("Accept commands over a socket rather than stdin. " \
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"You can set the address and port the interface will bind to." )
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#define CLIHOST_TEXT N_("CLI input")
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#define CLIHOST_LONGTEXT N_( "Accept commands from this source. " \
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"The CLI defaults to stdin (\"*console\"), but can also bind to a " \
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"plain TCP socket (\"localhost:4212\") or use the telnet protocol " \
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"(\"telnet://0.0.0.0:4212\")" )
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static int vlc_sd_probe_Open( vlc_object_t * );
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vlc_module_begin ()
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set_shortname( N_("Lua") )
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set_description( N_("Lua interpreter") )
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set_category( CAT_INTERFACE )
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set_subcategory( SUBCAT_INTERFACE_MAIN )
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add_string( "lua-intf", "dummy", INTF_TEXT, INTF_LONGTEXT, false )
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add_string( "lua-config", "", CONFIG_TEXT, CONFIG_LONGTEXT, false )
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set_capability( "interface", 0 )
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set_callbacks( Open_LuaIntf, Close_LuaIntf )
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add_shortcut( "luaintf" )
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add_submodule ()
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set_section( N_("Lua HTTP"), 0 )
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add_password ( "http-password", NULL, PASS_TEXT, PASS_LONGTEXT, false )
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add_string ( "http-src", NULL, SRC_TEXT, SRC_LONGTEXT, true )
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add_bool ( "http-index", false, INDEX_TEXT, INDEX_LONGTEXT, true )
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set_capability( "interface", 0 )
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set_callbacks( Open_LuaHTTP, Close_LuaIntf )
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add_shortcut( "luahttp", "http" )
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set_description( N_("Lua HTTP") )
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add_submodule ()
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set_section( N_("Lua CLI"), 0 )
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add_string( "rc-host", NULL, RCHOST_TEXT, RCHOST_LONGTEXT, true )
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add_string( "cli-host", NULL, CLIHOST_TEXT, CLIHOST_LONGTEXT, true )
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set_capability( "interface", 25 )
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set_description( N_("Command-line interface") )
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set_callbacks( Open_LuaCLI, Close_LuaIntf )
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#ifndef _WIN32
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add_shortcut( "luacli", "luarc", "cli", "rc" )
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#else
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add_shortcut( "luacli", "luarc" )
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#endif
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add_submodule ()
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set_section( N_("Lua Telnet"), 0 )
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add_string( "telnet-host", "localhost", TELNETHOST_TEXT,
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TELNETHOST_LONGTEXT, true )
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add_integer( "telnet-port", TELNETPORT_DEFAULT, TELNETPORT_TEXT,
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TELNETPORT_LONGTEXT, true )
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change_integer_range( 1, 65535 )
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add_password( "telnet-password", NULL, TELNETPWD_TEXT,
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TELNETPWD_LONGTEXT, true )
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set_capability( "interface", 0 )
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set_callbacks( Open_LuaTelnet, Close_LuaIntf )
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set_description( N_("Lua Telnet") )
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add_shortcut( "luatelnet", "telnet" )
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add_submodule ()
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set_shortname( N_( "Lua Meta Fetcher" ) )
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set_description( N_("Fetch meta data using lua scripts") )
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set_capability( "meta fetcher", 10 )
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set_callbacks( FetchMeta, NULL )
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add_submodule ()
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set_shortname( N_( "Lua Meta Reader" ) )
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set_description( N_("Read meta data using lua scripts") )
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set_capability( "meta reader", 10 )
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set_callbacks( ReadMeta, NULL )
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add_submodule ()
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add_shortcut( "luaplaylist" )
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set_shortname( N_("Lua Playlist") )
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set_description( N_("Lua Playlist Parser Interface") )
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set_capability( "demux", 2 )
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set_callbacks( Import_LuaPlaylist, Close_LuaPlaylist )
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add_submodule ()
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set_shortname( N_( "Lua Art" ) )
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set_description( N_("Fetch artwork using lua scripts") )
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set_capability( "art finder", 10 )
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set_callbacks( FindArt, NULL )
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add_submodule ()
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set_shortname( N_("Lua Extension") )
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set_description( N_("Lua Extension") )
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add_shortcut( "luaextension" )
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set_capability( "extension", 1 )
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set_callbacks( Open_Extension, Close_Extension )
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add_submodule ()
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set_description( N_("Lua SD Module") )
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add_shortcut( "luasd" )
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set_capability( "services_discovery", 0 )
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add_string( "lua-sd", "", NULL, NULL, false )
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change_volatile()
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add_string( "lua-longname", "", NULL, NULL, false )
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change_volatile()
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set_callbacks( Open_LuaSD, Close_LuaSD )
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VLC_SD_PROBE_SUBMODULE
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vlc_module_end ()
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/*****************************************************************************
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*
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*****************************************************************************/
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static const char *ppsz_lua_exts[] = { ".luac", ".lua", ".vle", NULL };
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static int file_select( const char *file )
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{
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int i = strlen( file );
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int j;
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for( j = 0; ppsz_lua_exts[j]; j++ )
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{
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int l = strlen( ppsz_lua_exts[j] );
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if( i >= l && !strcmp( file+i-l, ppsz_lua_exts[j] ) )
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return 1;
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}
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return 0;
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}
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static int file_compare( const char **a, const char **b )
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{
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return strcmp( *a, *b );
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}
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int vlclua_dir_list( const char *luadirname, char ***pppsz_dir_list )
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{
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#define MAX_DIR_LIST_SIZE 5
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*pppsz_dir_list = malloc(MAX_DIR_LIST_SIZE*sizeof(char *));
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if (!*pppsz_dir_list)
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return VLC_EGENERIC;
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char **ppsz_dir_list = *pppsz_dir_list;
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int i = 0;
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char *datadir = config_GetUserDir( VLC_DATA_DIR );
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if( likely(datadir != NULL)
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&& likely(asprintf( &ppsz_dir_list[i], "%s"DIR_SEP"lua"DIR_SEP"%s",
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datadir, luadirname ) != -1) )
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i++;
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free( datadir );
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#if !(defined(__APPLE__) || defined(_WIN32))
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char *psz_libpath = config_GetLibDir();
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if( likely(psz_libpath != NULL) )
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{
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if( likely(asprintf( &ppsz_dir_list[i], "%s"DIR_SEP"lua"DIR_SEP"%s",
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psz_libpath, luadirname ) != -1) )
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i++;
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free( psz_libpath );
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}
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#endif
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char *psz_datapath = config_GetDataDir();
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if( likely(psz_datapath != NULL) )
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{
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if( likely(asprintf( &ppsz_dir_list[i], "%s"DIR_SEP"lua"DIR_SEP"%s",
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psz_datapath, luadirname ) != -1) )
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i++;
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#if defined(__APPLE__)
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if( likely(asprintf( &ppsz_dir_list[i],
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"%s"DIR_SEP"share"DIR_SEP"lua"DIR_SEP"%s",
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psz_datapath, luadirname ) != -1) )
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i++;
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#endif
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free( psz_datapath );
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}
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ppsz_dir_list[i] = NULL;
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assert( i < MAX_DIR_LIST_SIZE);
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return VLC_SUCCESS;
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}
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void vlclua_dir_list_free( char **ppsz_dir_list )
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{
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for( char **ppsz_dir = ppsz_dir_list; *ppsz_dir; ppsz_dir++ )
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free( *ppsz_dir );
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free( ppsz_dir_list );
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}
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/*****************************************************************************
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* Will execute func on all scripts in luadirname, and stop if func returns
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* success.
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*****************************************************************************/
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int vlclua_scripts_batch_execute( vlc_object_t *p_this,
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const char * luadirname,
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int (*func)(vlc_object_t *, const char *, const luabatch_context_t *),
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void * user_data)
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{
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char **ppsz_dir_list = NULL;
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int i_ret;
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if( (i_ret = vlclua_dir_list( luadirname, &ppsz_dir_list )) != VLC_SUCCESS)
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return i_ret;
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i_ret = VLC_EGENERIC;
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for( char **ppsz_dir = ppsz_dir_list; *ppsz_dir; ppsz_dir++ )
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{
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char **ppsz_filelist;
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msg_Dbg( p_this, "Trying Lua scripts in %s", *ppsz_dir );
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int i_files = vlc_scandir( *ppsz_dir, &ppsz_filelist, file_select,
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file_compare );
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if( i_files < 0 )
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continue;
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char **ppsz_file = ppsz_filelist;
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char **ppsz_fileend = ppsz_filelist + i_files;
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while( ppsz_file < ppsz_fileend )
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{
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char *psz_filename;
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if( asprintf( &psz_filename,
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"%s" DIR_SEP "%s", *ppsz_dir, *ppsz_file ) == -1 )
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psz_filename = NULL;
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free( *(ppsz_file++) );
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if( likely(psz_filename != NULL) )
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{
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msg_Dbg( p_this, "Trying Lua playlist script %s", psz_filename );
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i_ret = func( p_this, psz_filename, user_data );
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free( psz_filename );
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if( i_ret == VLC_SUCCESS )
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break;
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}
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}
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while( ppsz_file < ppsz_fileend )
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free( *(ppsz_file++) );
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free( ppsz_filelist );
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if( i_ret == VLC_SUCCESS )
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break;
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}
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vlclua_dir_list_free( ppsz_dir_list );
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return i_ret;
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}
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char *vlclua_find_file( const char *psz_luadirname, const char *psz_name )
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{
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char **ppsz_dir_list = NULL;
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vlclua_dir_list( psz_luadirname, &ppsz_dir_list );
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for( char **ppsz_dir = ppsz_dir_list; *ppsz_dir; ppsz_dir++ )
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{
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for( const char **ppsz_ext = ppsz_lua_exts; *ppsz_ext; ppsz_ext++ )
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{
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char *psz_filename;
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struct stat st;
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if( asprintf( &psz_filename, "%s"DIR_SEP"%s%s", *ppsz_dir,
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psz_name, *ppsz_ext ) < 0 )
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{
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vlclua_dir_list_free( ppsz_dir_list );
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return NULL;
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}
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if( vlc_stat( psz_filename, &st ) == 0
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&& S_ISREG( st.st_mode ) )
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{
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vlclua_dir_list_free( ppsz_dir_list );
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return psz_filename;
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}
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free( psz_filename );
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}
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}
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vlclua_dir_list_free( ppsz_dir_list );
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return NULL;
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}
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/*****************************************************************************
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* Meta data setters utility.
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* Playlist item table should be on top of the stack when these are called
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*****************************************************************************/
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#undef vlclua_read_meta_data
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void vlclua_read_meta_data( vlc_object_t *p_this, lua_State *L,
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input_item_t *p_input )
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{
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#define TRY_META( a, b ) \
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lua_getfield( L, -1, a ); \
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if( lua_isstring( L, -1 ) && \
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strcmp( lua_tostring( L, -1 ), "" ) ) \
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{ \
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char *psz_value = strdup( lua_tostring( L, -1 ) ); \
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EnsureUTF8( psz_value ); \
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msg_Dbg( p_this, #b ": %s", psz_value ); \
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input_item_Set ## b ( p_input, psz_value ); \
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free( psz_value ); \
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} \
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lua_pop( L, 1 ); /* pop a */
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TRY_META( "title", Title );
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TRY_META( "artist", Artist );
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TRY_META( "genre", Genre );
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TRY_META( "copyright", Copyright );
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TRY_META( "album", Album );
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TRY_META( "tracknum", TrackNum );
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TRY_META( "description", Description );
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TRY_META( "rating", Rating );
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TRY_META( "date", Date );
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TRY_META( "setting", Setting );
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TRY_META( "url", URL );
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TRY_META( "language", Language );
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TRY_META( "nowplaying", NowPlaying );
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TRY_META( "publisher", Publisher );
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TRY_META( "encodedby", EncodedBy );
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TRY_META( "arturl", ArtURL );
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TRY_META( "trackid", TrackID );
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TRY_META( "director", Director );
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TRY_META( "season", Season );
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TRY_META( "episode", Episode );
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TRY_META( "show_name", ShowName );
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TRY_META( "actors", Actors );
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}
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#undef vlclua_read_custom_meta_data
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void vlclua_read_custom_meta_data( vlc_object_t *p_this, lua_State *L,
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input_item_t *p_input )
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{
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/* Lock the input item and create the meta table if needed */
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vlc_mutex_lock( &p_input->lock );
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if( !p_input->p_meta )
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p_input->p_meta = vlc_meta_New();
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/* ... item */
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lua_getfield( L, -1, "meta" );
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/* ... item meta */
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if( lua_istable( L, -1 ) )
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{
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lua_pushnil( L );
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/* ... item meta nil */
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while( lua_next( L, -2 ) )
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{
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/* ... item meta key value */
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if( !lua_isstring( L, -2 ) || !lua_isstring( L, -1 ) )
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{
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msg_Err( p_this, "'meta' keys and values must be strings");
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lua_pop( L, 1 ); /* pop "value" */
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continue;
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}
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const char *psz_key = lua_tostring( L, -2 );
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const char *psz_value = lua_tostring( L, -1 );
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vlc_meta_AddExtra( p_input->p_meta, psz_key, psz_value );
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lua_pop( L, 1 ); /* pop "value" */
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}
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}
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lua_pop( L, 1 ); /* pop "meta" */
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/* ... item -> back to original stack */
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vlc_mutex_unlock( &p_input->lock );
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}
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/*****************************************************************************
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* Playlist utilities
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****************************************************************************/
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/**
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* Playlist item table should be on top of the stack when this is called
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*/
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#undef vlclua_read_options
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void vlclua_read_options( vlc_object_t *p_this, lua_State *L,
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int *pi_options, char ***pppsz_options )
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{
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lua_getfield( L, -1, "options" );
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if( lua_istable( L, -1 ) )
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{
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lua_pushnil( L );
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while( lua_next( L, -2 ) )
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{
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if( lua_isstring( L, -1 ) )
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{
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char *psz_option = strdup( lua_tostring( L, -1 ) );
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msg_Dbg( p_this, "Option: %s", psz_option );
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INSERT_ELEM( *pppsz_options, *pi_options, *pi_options,
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psz_option );
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}
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else
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{
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msg_Warn( p_this, "Option should be a string" );
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}
|
|
lua_pop( L, 1 ); /* pop option */
|
|
}
|
|
}
|
|
lua_pop( L, 1 ); /* pop "options" */
|
|
}
|
|
|
|
#undef vlclua_playlist_add_internal
|
|
int vlclua_playlist_add_internal( vlc_object_t *p_this, lua_State *L,
|
|
playlist_t *p_playlist,
|
|
input_item_t *p_parent, bool b_play )
|
|
{
|
|
int i_count = 0;
|
|
input_item_node_t *p_parent_node = NULL;
|
|
|
|
assert( p_parent || p_playlist );
|
|
|
|
/* playlist */
|
|
if( lua_istable( L, -1 ) )
|
|
{
|
|
if( p_parent ) p_parent_node = input_item_node_Create( p_parent );
|
|
lua_pushnil( L );
|
|
/* playlist nil */
|
|
while( lua_next( L, -2 ) )
|
|
{
|
|
/* playlist key item */
|
|
/* <Parse playlist item> */
|
|
if( lua_istable( L, -1 ) )
|
|
{
|
|
lua_getfield( L, -1, "path" );
|
|
/* playlist key item path */
|
|
if( lua_isstring( L, -1 ) )
|
|
{
|
|
char *psz_oldurl = NULL;
|
|
const char *psz_path = NULL;
|
|
char *psz_u8path = NULL;
|
|
const char *psz_name = NULL;
|
|
char **ppsz_options = NULL;
|
|
int i_options = 0;
|
|
mtime_t i_duration = -1;
|
|
input_item_t *p_input;
|
|
|
|
/* Read path and name */
|
|
if (p_parent) {
|
|
psz_oldurl = input_item_GetURI( p_parent );
|
|
msg_Dbg( p_this, "old path: %s", psz_oldurl );
|
|
}
|
|
psz_path = lua_tostring( L, -1 );
|
|
msg_Dbg( p_this, "Path: %s", psz_path );
|
|
lua_getfield( L, -2, "name" );
|
|
/* playlist key item path name */
|
|
if( lua_isstring( L, -1 ) )
|
|
{
|
|
psz_name = lua_tostring( L, -1 );
|
|
msg_Dbg( p_this, "Name: %s", psz_name );
|
|
}
|
|
else
|
|
{
|
|
if( !lua_isnil( L, -1 ) )
|
|
msg_Warn( p_this, "Playlist item name should be a string." );
|
|
psz_name = NULL;
|
|
}
|
|
|
|
/* Read duration */
|
|
lua_getfield( L, -3, "duration" );
|
|
/* playlist key item path name duration */
|
|
if( lua_isnumber( L, -1 ) )
|
|
{
|
|
i_duration = (mtime_t)(lua_tonumber( L, -1 )*1e6);
|
|
}
|
|
else if( !lua_isnil( L, -1 ) )
|
|
{
|
|
msg_Warn( p_this, "Playlist item duration should be a number (in seconds)." );
|
|
}
|
|
lua_pop( L, 1 ); /* pop "duration" */
|
|
|
|
/* playlist key item path name */
|
|
|
|
/* Read options: item must be on top of stack */
|
|
lua_pushvalue( L, -3 );
|
|
/* playlist key item path name item */
|
|
vlclua_read_options( p_this, L, &i_options, &ppsz_options );
|
|
|
|
/* Create input item */
|
|
p_input = input_item_NewExt( psz_path, psz_name, i_options,
|
|
(const char **)ppsz_options,
|
|
VLC_INPUT_OPTION_TRUSTED,
|
|
i_duration );
|
|
lua_pop( L, 3 ); /* pop "path name item" */
|
|
/* playlist key item */
|
|
|
|
/* Read meta data: item must be on top of stack */
|
|
vlclua_read_meta_data( p_this, L, p_input );
|
|
|
|
/* copy the original URL to the meta data, if "URL" is still empty */
|
|
char* url = input_item_GetURL( p_input );
|
|
if( url == NULL && p_parent)
|
|
{
|
|
EnsureUTF8( psz_oldurl );
|
|
msg_Dbg( p_this, "meta-URL: %s", psz_oldurl );
|
|
input_item_SetURL ( p_input, psz_oldurl );
|
|
}
|
|
free( psz_oldurl );
|
|
free( url );
|
|
|
|
/* copy the psz_name to the meta data, if "Title" is still empty */
|
|
char* title = input_item_GetTitle( p_input );
|
|
if( title == NULL )
|
|
input_item_SetTitle ( p_input, psz_name );
|
|
free( title );
|
|
|
|
/* Read custom meta data: item must be on top of stack*/
|
|
vlclua_read_custom_meta_data( p_this, L, p_input );
|
|
|
|
/* Append item to playlist */
|
|
if( p_parent ) /* Add to node */
|
|
{
|
|
input_item_CopyOptions( p_parent, p_input );
|
|
input_item_node_AppendItem( p_parent_node, p_input );
|
|
}
|
|
else /* Play or Enqueue (preparse) */
|
|
/* FIXME: playlist_AddInput() can fail */
|
|
playlist_AddInput( p_playlist, p_input,
|
|
PLAYLIST_APPEND |
|
|
( b_play ? PLAYLIST_GO : PLAYLIST_PREPARSE ),
|
|
PLAYLIST_END, true, false );
|
|
i_count ++; /* increment counter */
|
|
vlc_gc_decref( p_input );
|
|
while( i_options > 0 )
|
|
free( ppsz_options[--i_options] );
|
|
free( ppsz_options );
|
|
free( psz_u8path );
|
|
}
|
|
else
|
|
{
|
|
lua_pop( L, 1 ); /* pop "path" */
|
|
msg_Warn( p_this,
|
|
"Playlist item's path should be a string" );
|
|
}
|
|
/* playlist key item */
|
|
}
|
|
else
|
|
{
|
|
msg_Warn( p_this, "Playlist item should be a table" );
|
|
}
|
|
/* <Parse playlist item> */
|
|
lua_pop( L, 1 ); /* pop the value, keep the key for
|
|
* the next lua_next() call */
|
|
/* playlist key */
|
|
}
|
|
/* playlist */
|
|
if( p_parent )
|
|
{
|
|
if( i_count ) input_item_node_PostAndDelete( p_parent_node );
|
|
else input_item_node_Delete( p_parent_node );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
msg_Warn( p_this, "Playlist should be a table." );
|
|
}
|
|
return i_count;
|
|
}
|
|
|
|
static int vlc_sd_probe_Open( vlc_object_t *obj )
|
|
{
|
|
vlc_probe_t *probe = (vlc_probe_t *)obj;
|
|
char **ppsz_filelist = NULL;
|
|
char **ppsz_fileend = NULL;
|
|
char **ppsz_file;
|
|
char *psz_name;
|
|
char **ppsz_dir_list = NULL;
|
|
char **ppsz_dir;
|
|
lua_State *L = NULL;
|
|
vlclua_dir_list( "sd", &ppsz_dir_list );
|
|
for( ppsz_dir = ppsz_dir_list; *ppsz_dir; ppsz_dir++ )
|
|
{
|
|
int i_files;
|
|
if( ppsz_filelist )
|
|
{
|
|
for( ppsz_file = ppsz_filelist; ppsz_file < ppsz_fileend;
|
|
ppsz_file++ )
|
|
free( *ppsz_file );
|
|
free( ppsz_filelist );
|
|
ppsz_filelist = NULL;
|
|
}
|
|
i_files = vlc_scandir( *ppsz_dir, &ppsz_filelist, file_select,
|
|
file_compare );
|
|
if( i_files < 1 ) continue;
|
|
ppsz_fileend = ppsz_filelist + i_files;
|
|
for( ppsz_file = ppsz_filelist; ppsz_file < ppsz_fileend; ppsz_file++ )
|
|
{
|
|
char *psz_filename;
|
|
if( asprintf( &psz_filename,
|
|
"%s" DIR_SEP "%s", *ppsz_dir, *ppsz_file ) < 0 )
|
|
{
|
|
goto error;
|
|
}
|
|
L = luaL_newstate();
|
|
if( !L )
|
|
{
|
|
msg_Err( probe, "Could not create new Lua State" );
|
|
free( psz_filename );
|
|
goto error;
|
|
}
|
|
luaL_openlibs( L );
|
|
if( vlclua_add_modules_path( L, psz_filename ) )
|
|
{
|
|
msg_Err( probe, "Error while setting the module search path for %s",
|
|
psz_filename );
|
|
free( psz_filename );
|
|
goto error;
|
|
}
|
|
if( vlclua_dofile( VLC_OBJECT(probe), L, psz_filename ) )
|
|
{
|
|
|
|
msg_Err( probe, "Error loading script %s: %s", psz_filename,
|
|
lua_tostring( L, lua_gettop( L ) ) );
|
|
lua_pop( L, 1 );
|
|
free( psz_filename );
|
|
lua_close( L );
|
|
continue;
|
|
}
|
|
char *psz_longname;
|
|
char *temp = strchr( *ppsz_file, '.' );
|
|
if( temp )
|
|
*temp = '\0';
|
|
lua_getglobal( L, "descriptor" );
|
|
if( !lua_isfunction( L, lua_gettop( L ) ) || lua_pcall( L, 0, 1, 0 ) )
|
|
{
|
|
msg_Warn( probe, "No 'descriptor' function in '%s'", psz_filename );
|
|
lua_pop( L, 1 );
|
|
if( !( psz_longname = strdup( *ppsz_file ) ) )
|
|
{
|
|
free( psz_filename );
|
|
goto error;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
lua_getfield( L, -1, "title" );
|
|
if( !lua_isstring( L, -1 ) ||
|
|
!( psz_longname = strdup( lua_tostring( L, -1 ) ) ) )
|
|
{
|
|
free( psz_filename );
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
char *psz_file_esc = config_StringEscape( *ppsz_file );
|
|
char *psz_longname_esc = config_StringEscape( psz_longname );
|
|
if( asprintf( &psz_name, "lua{sd='%s',longname='%s'}",
|
|
psz_file_esc, psz_longname_esc ) < 0 )
|
|
{
|
|
free( psz_file_esc );
|
|
free( psz_longname_esc );
|
|
free( psz_filename );
|
|
free( psz_longname );
|
|
goto error;
|
|
}
|
|
free( psz_file_esc );
|
|
free( psz_longname_esc );
|
|
vlc_sd_probe_Add( probe, psz_name, psz_longname, SD_CAT_INTERNET );
|
|
free( psz_name );
|
|
free( psz_longname );
|
|
free( psz_filename );
|
|
lua_close( L );
|
|
}
|
|
}
|
|
if( ppsz_filelist )
|
|
{
|
|
for( ppsz_file = ppsz_filelist; ppsz_file < ppsz_fileend;
|
|
ppsz_file++ )
|
|
free( *ppsz_file );
|
|
free( ppsz_filelist );
|
|
}
|
|
vlclua_dir_list_free( ppsz_dir_list );
|
|
return VLC_PROBE_CONTINUE;
|
|
error:
|
|
if( ppsz_filelist )
|
|
{
|
|
for( ppsz_file = ppsz_filelist; ppsz_file < ppsz_fileend;
|
|
ppsz_file++ )
|
|
free( *ppsz_file );
|
|
free( ppsz_filelist );
|
|
}
|
|
if( L )
|
|
lua_close( L );
|
|
vlclua_dir_list_free( ppsz_dir_list );
|
|
return VLC_ENOMEM;
|
|
}
|
|
|
|
static int vlclua_add_modules_path_inner( lua_State *L, const char *psz_path )
|
|
{
|
|
int count = 0;
|
|
for( const char **ppsz_ext = ppsz_lua_exts; *ppsz_ext; ppsz_ext++ )
|
|
{
|
|
lua_pushfstring( L, "%s"DIR_SEP"modules"DIR_SEP"?%s;",
|
|
psz_path, *ppsz_ext );
|
|
count ++;
|
|
}
|
|
|
|
return count;
|
|
}
|
|
|
|
int vlclua_add_modules_path( lua_State *L, const char *psz_filename )
|
|
{
|
|
/* Setup the module search path:
|
|
* * "The script's directory"/modules
|
|
* * "The script's parent directory"/modules
|
|
* * and so on for all the next directories in the directory list
|
|
*/
|
|
char *psz_path = strdup( psz_filename );
|
|
if( !psz_path )
|
|
return 1;
|
|
|
|
char *psz_char = strrchr( psz_path, DIR_SEP_CHAR );
|
|
if( !psz_char )
|
|
{
|
|
free( psz_path );
|
|
return 1;
|
|
}
|
|
*psz_char = '\0';
|
|
|
|
/* psz_path now holds the file's directory */
|
|
psz_char = strrchr( psz_path, DIR_SEP_CHAR );
|
|
if( !psz_char )
|
|
{
|
|
free( psz_path );
|
|
return 1;
|
|
}
|
|
*psz_char = '\0';
|
|
|
|
/* Push package on stack */
|
|
int count = 0;
|
|
lua_getglobal( L, "package" );
|
|
|
|
/* psz_path now holds the file's parent directory */
|
|
count += vlclua_add_modules_path_inner( L, psz_path );
|
|
*psz_char = DIR_SEP_CHAR;
|
|
|
|
/* psz_path now holds the file's directory */
|
|
count += vlclua_add_modules_path_inner( L, psz_path );
|
|
|
|
char **ppsz_dir_list = NULL;
|
|
vlclua_dir_list( psz_char+1/* gruik? */, &ppsz_dir_list );
|
|
char **ppsz_dir = ppsz_dir_list;
|
|
|
|
for( ; *ppsz_dir && strcmp( *ppsz_dir, psz_path ); ppsz_dir++ );
|
|
free( psz_path );
|
|
|
|
for( ; *ppsz_dir; ppsz_dir++ )
|
|
{
|
|
psz_path = *ppsz_dir;
|
|
/* FIXME: doesn't work well with meta/... modules due to the double
|
|
* directory depth */
|
|
psz_char = strrchr( psz_path, DIR_SEP_CHAR );
|
|
if( !psz_char )
|
|
{
|
|
vlclua_dir_list_free( ppsz_dir_list );
|
|
return 1;
|
|
}
|
|
|
|
*psz_char = '\0';
|
|
count += vlclua_add_modules_path_inner( L, psz_path );
|
|
*psz_char = DIR_SEP_CHAR;
|
|
count += vlclua_add_modules_path_inner( L, psz_path );
|
|
}
|
|
|
|
lua_getfield( L, -(count+1), "path" ); /* Get package.path */
|
|
lua_concat( L, count+1 ); /* Concat vlc module paths and package.path */
|
|
lua_setfield( L, -2, "path"); /* Set package.path */
|
|
lua_pop( L, 1 ); /* Pop the package module */
|
|
|
|
vlclua_dir_list_free( ppsz_dir_list );
|
|
return 0;
|
|
}
|
|
|
|
/** Replacement for luaL_dofile, using VLC's input capabilities */
|
|
int vlclua_dofile( vlc_object_t *p_this, lua_State *L, const char *curi )
|
|
{
|
|
char *uri = ToLocaleDup( curi );
|
|
if( !strstr( uri, "://" ) ) {
|
|
int ret = luaL_dofile( L, uri );
|
|
free( uri );
|
|
return ret;
|
|
}
|
|
if( !strncasecmp( uri, "file://", 7 ) ) {
|
|
int ret = luaL_dofile( L, uri + 7 );
|
|
free( uri );
|
|
return ret;
|
|
}
|
|
stream_t *s = stream_UrlNew( p_this, uri );
|
|
if( !s )
|
|
{
|
|
free( uri );
|
|
return 1;
|
|
}
|
|
int64_t i_size = stream_Size( s );
|
|
char *p_buffer = ( i_size > 0 ) ? malloc( i_size ) : NULL;
|
|
if( !p_buffer )
|
|
{
|
|
// FIXME: read the whole stream until we reach the end (if no size)
|
|
stream_Delete( s );
|
|
free( uri );
|
|
return 1;
|
|
}
|
|
int64_t i_read = stream_Read( s, p_buffer, (int) i_size );
|
|
int i_ret = ( i_read == i_size ) ? 0 : 1;
|
|
if( !i_ret )
|
|
i_ret = luaL_loadbuffer( L, p_buffer, (size_t) i_size, uri );
|
|
if( !i_ret )
|
|
i_ret = lua_pcall( L, 0, LUA_MULTRET, 0 );
|
|
stream_Delete( s );
|
|
free( p_buffer );
|
|
free( uri );
|
|
return i_ret;
|
|
}
|
|
|