1 /*****************************************************************************
2 * xml.c: XML related functions
3 *****************************************************************************
4 * Copyright (C) 2010 Antoine Cellerier
7 * Authors: Antoine Cellerier <dionoea at videolan tod org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
35 #include <vlc_common.h>
38 #include <lua.h> /* Low level lua C API */
39 #include <lauxlib.h> /* Higher level C API */
44 /*****************************************************************************
46 *****************************************************************************/
47 static int vlclua_xml_create_reader( lua_State * );
49 static const luaL_Reg vlclua_xml_reg[] = {
50 { "create_reader", vlclua_xml_create_reader },
54 static int vlclua_xml_delete( lua_State *L )
56 xml_t *p_xml = *(xml_t**)luaL_checkudata( L, 1, "xml" );
61 static int vlclua_xml_create( lua_State *L )
63 xml_t *p_xml = xml_Create( vlclua_get_this( L ) );
65 return luaL_error( L, "XML module creation failed." );
67 xml_t **pp_xml = lua_newuserdata( L, sizeof( xml_t * ) );
70 if( luaL_newmetatable( L, "xml" ) )
73 luaL_register( L, NULL, vlclua_xml_reg );
74 lua_setfield( L, -2, "__index" );
75 lua_pushcfunction( L, vlclua_xml_delete );
76 lua_setfield( L, -2, "__gc" );
79 lua_setmetatable( L, -2 );
83 /*****************************************************************************
85 *****************************************************************************/
86 static int vlclua_xml_reader_read( lua_State * );
87 static int vlclua_xml_reader_node_type( lua_State * );
88 static int vlclua_xml_reader_name( lua_State * );
89 static int vlclua_xml_reader_value( lua_State * );
90 static int vlclua_xml_reader_next_attr( lua_State * );
92 static const luaL_Reg vlclua_xml_reader_reg[] = {
93 { "read", vlclua_xml_reader_read },
94 { "node_type", vlclua_xml_reader_node_type },
95 { "name", vlclua_xml_reader_name },
96 { "value", vlclua_xml_reader_value },
97 { "next_attr", vlclua_xml_reader_next_attr },
101 static int vlclua_xml_reader_delete( lua_State *L )
103 xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" );
104 xml_ReaderDelete( p_reader );
108 static int vlclua_xml_create_reader( lua_State *L )
110 xml_t *p_xml = *(xml_t**)luaL_checkudata( L, 1, "xml" );
111 stream_t *p_stream = *(stream_t **)luaL_checkudata( L, 2, "stream" );
113 xml_reader_t *p_reader = xml_ReaderCreate( p_xml, p_stream );
115 return luaL_error( L, "XML reader creation failed." );
117 xml_reader_t **pp_reader = lua_newuserdata( L, sizeof( xml_reader_t * ) );
118 *pp_reader = p_reader;
120 if( luaL_newmetatable( L, "xml_reader" ) )
123 luaL_register( L, NULL, vlclua_xml_reader_reg );
124 lua_setfield( L, -2, "__index" );
125 lua_pushcfunction( L, vlclua_xml_reader_delete );
126 lua_setfield( L, -2, "__gc" );
129 lua_setmetatable( L, -2 );
133 static int vlclua_xml_reader_read( lua_State *L )
135 xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" );
136 lua_pushinteger( L, xml_ReaderRead( p_reader ) );
140 static int vlclua_xml_reader_node_type( lua_State *L )
142 xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" );
143 static const char *ppsz_type[] = { "none", "startelem", "endelem", "text" };
144 lua_pushstring( L, ppsz_type[xml_ReaderNodeType( p_reader )] );
148 static int vlclua_xml_reader_name( lua_State *L )
150 xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" );
151 lua_pushstring( L, xml_ReaderName( p_reader ) );
155 static int vlclua_xml_reader_value( lua_State *L )
157 xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" );
158 lua_pushstring( L, xml_ReaderValue( p_reader ) );
162 static int vlclua_xml_reader_next_attr( lua_State *L )
164 xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" );
165 lua_pushinteger( L, xml_ReaderNextAttr( p_reader ) );
169 void luaopen_xml( lua_State *L )
171 lua_pushcfunction( L, vlclua_xml_create );
172 lua_setfield( L, -2, "xml" );