1 /*****************************************************************************
2 * stream.c: stream functions
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>
39 #include <vlc_charset.h>
42 #include <lua.h> /* Low level lua C API */
43 #include <lauxlib.h> /* Higher level C API */
48 /*****************************************************************************
50 *****************************************************************************/
51 static int vlclua_stream_read( lua_State * );
52 static int vlclua_stream_readline( lua_State * );
53 static int vlclua_stream_delete( lua_State * );
55 static const luaL_Reg vlclua_stream_reg[] = {
56 { "read", vlclua_stream_read },
57 { "readline", vlclua_stream_readline },
61 static int vlclua_stream_new( lua_State *L )
63 vlc_object_t * p_this = vlclua_get_this( L );
66 psz_url = luaL_checkstring( L, -1 );
67 p_stream = stream_UrlNew( p_this, psz_url );
69 return luaL_error( L, "Error when opening url: `%s'", psz_url );
71 stream_t **pp_stream = lua_newuserdata( L, sizeof( stream_t * ) );
72 *pp_stream = p_stream;
74 if( luaL_newmetatable( L, "stream" ) )
77 luaL_register( L, NULL, vlclua_stream_reg );
78 lua_setfield( L, -2, "__index" );
79 lua_pushcfunction( L, vlclua_stream_delete );
80 lua_setfield( L, -2, "__gc" );
83 lua_setmetatable( L, -2 );
87 static int vlclua_stream_read( lua_State *L )
90 stream_t **pp_stream = (stream_t **)luaL_checkudata( L, 1, "stream" );
91 int n = luaL_checkint( L, 2 );
92 uint8_t *p_read = malloc( n );
93 if( !p_read ) return vlclua_error( L );
94 i_read = stream_Read( *pp_stream, p_read, n );
95 lua_pushlstring( L, (const char *)p_read, i_read );
100 static int vlclua_stream_readline( lua_State *L )
102 stream_t **pp_stream = (stream_t **)luaL_checkudata( L, 1, "stream" );
103 char *psz_line = stream_ReadLine( *pp_stream );
106 lua_pushstring( L, psz_line );
114 static int vlclua_stream_delete( lua_State *L )
116 stream_t **pp_stream = (stream_t **)luaL_checkudata( L, 1, "stream" );
117 stream_Delete( *pp_stream );
121 /*****************************************************************************
123 *****************************************************************************/
124 void luaopen_stream( lua_State *L )
126 lua_pushcfunction( L, vlclua_stream_new );
127 lua_setfield( L, -2, "stream" );