From a0e994c0da86a0c8be9c0525db2148d8c72c06b3 Mon Sep 17 00:00:00 2001 From: Antoine Cellerier Date: Sat, 13 Feb 2010 14:54:04 +0100 Subject: [PATCH] Export vlc's xml api. --- modules/misc/lua/Modules.am | 1 + modules/misc/lua/demux.c | 1 + modules/misc/lua/extension.c | 1 + modules/misc/lua/intf.c | 1 + modules/misc/lua/libs.h | 1 + modules/misc/lua/libs/xml.c | 205 +++++++++++++++++++++++++++++++++++ modules/misc/lua/meta.c | 1 + 7 files changed, 211 insertions(+) create mode 100644 modules/misc/lua/libs/xml.c diff --git a/modules/misc/lua/Modules.am b/modules/misc/lua/Modules.am index f7c5b1c1a7..c2105c7f1d 100644 --- a/modules/misc/lua/Modules.am +++ b/modules/misc/lua/Modules.am @@ -33,6 +33,7 @@ SOURCES_lua = \ libs/video.c \ libs/vlm.c \ libs/volume.c \ + libs/xml.c \ $(NULL) libvlc_LTLIBRARIES += liblua_plugin.la diff --git a/modules/misc/lua/demux.c b/modules/misc/lua/demux.c index 66a750157c..1ffc049347 100644 --- a/modules/misc/lua/demux.c +++ b/modules/misc/lua/demux.c @@ -138,6 +138,7 @@ static int probe_luascript( vlc_object_t *p_this, const char * psz_filename, luaL_register( L, "vlc", p_reg ); luaopen_msg( L ); luaopen_strings( L ); + luaopen_xml( L ); lua_pushlightuserdata( L, p_demux ); lua_setfield( L, -2, "private" ); lua_pushstring( L, p_demux->psz_path ); diff --git a/modules/misc/lua/extension.c b/modules/misc/lua/extension.c index 139f5f674a..18a0b30bca 100644 --- a/modules/misc/lua/extension.c +++ b/modules/misc/lua/extension.c @@ -736,6 +736,7 @@ static lua_State* GetLuaState( extensions_manager_t *p_mgr, luaopen_video( L ); luaopen_vlm( L ); luaopen_volume( L ); + luaopen_xml( L ); /* Register extension specific functions */ lua_getglobal( L, "vlc" ); diff --git a/modules/misc/lua/intf.c b/modules/misc/lua/intf.c index 6ee073e077..ead86d8e51 100644 --- a/modules/misc/lua/intf.c +++ b/modules/misc/lua/intf.c @@ -197,6 +197,7 @@ int Open_LuaIntf( vlc_object_t *p_this ) luaopen_vlm( L ); luaopen_volume( L ); luaopen_gettext( L ); + luaopen_xml( L ); /* clean up */ lua_pop( L, 1 ); diff --git a/modules/misc/lua/libs.h b/modules/misc/lua/libs.h index 60f6ccfafa..18f884ec13 100644 --- a/modules/misc/lua/libs.h +++ b/modules/misc/lua/libs.h @@ -44,5 +44,6 @@ void luaopen_vlm( lua_State * ); void luaopen_volume( lua_State * ); void luaopen_gettext( lua_State * ); void luaopen_input_item( lua_State *L, input_item_t *item ); +void luaopen_xml( lua_State *L ); #endif diff --git a/modules/misc/lua/libs/xml.c b/modules/misc/lua/libs/xml.c new file mode 100644 index 0000000000..cd655613e1 --- /dev/null +++ b/modules/misc/lua/libs/xml.c @@ -0,0 +1,205 @@ +/***************************************************************************** + * xml.c: XML related functions + ***************************************************************************** + * Copyright (C) 2010 Antoine Cellerier + * $Id$ + * + * Authors: Antoine Cellerier + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + *****************************************************************************/ + +/***************************************************************************** + * Preamble + *****************************************************************************/ +#ifndef _GNU_SOURCE +# define _GNU_SOURCE +#endif + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include + +#include /* Low level lua C API */ +#include /* Higher level C API */ + +#include "../vlc.h" +#include "../libs.h" + +/***************************************************************************** + * XML + *****************************************************************************/ +static int vlclua_xml_create_reader( lua_State * ); +static int vlclua_xml_load_catalog( lua_State * ); +static int vlclua_xml_add_catalog( lua_State * ); + +static const luaL_Reg vlclua_xml_reg[] = { + { "create_reader", vlclua_xml_create_reader }, + { "load_catalog", vlclua_xml_load_catalog }, + { "add_catalog", vlclua_xml_add_catalog }, + { NULL, NULL } +}; + +static int vlclua_xml_delete( lua_State *L ) +{ + xml_t *p_xml = *(xml_t**)luaL_checkudata( L, 1, "xml" ); + xml_Delete( p_xml ); + return 0; +} + +static int vlclua_xml_create( lua_State *L ) +{ + xml_t *p_xml = xml_Create( vlclua_get_this( L ) ); + if( !p_xml ) + return luaL_error( L, "XML module creation failed." ); + + xml_t **pp_xml = lua_newuserdata( L, sizeof( xml_t * ) ); + *pp_xml = p_xml; + + if( luaL_newmetatable( L, "xml" ) ) + { + lua_newtable( L ); + luaL_register( L, NULL, vlclua_xml_reg ); + lua_setfield( L, -2, "__index" ); + lua_pushcfunction( L, vlclua_xml_delete ); + lua_setfield( L, -2, "__gc" ); + } + + lua_setmetatable( L, -2 ); + return 1; +} + +static int vlclua_xml_load_catalog( lua_State *L ) +{ + xml_t *p_xml = *(xml_t**)luaL_checkudata( L, 1, "xml" ); + const char *psz_catalog = luaL_checkstring( L, 2 ); + xml_CatalogLoad( p_xml, psz_catalog ); + return 0; +} + +static int vlclua_xml_add_catalog( lua_State *L ) +{ + xml_t *p_xml = *(xml_t**)luaL_checkudata( L, 1, "xml" ); + const char *psz_str1 = luaL_checkstring( L, 2 ); + const char *psz_str2 = luaL_checkstring( L, 3 ); + const char *psz_str3 = luaL_checkstring( L, 4 ); + xml_CatalogAdd( p_xml, psz_str1, psz_str2, psz_str3 ); + return 0; +} + +/***************************************************************************** + * XML Reader + *****************************************************************************/ +static int vlclua_xml_reader_read( lua_State * ); +static int vlclua_xml_reader_node_type( lua_State * ); +static int vlclua_xml_reader_name( lua_State * ); +static int vlclua_xml_reader_value( lua_State * ); +static int vlclua_xml_reader_next_attr( lua_State * ); +static int vlclua_xml_reader_use_dtd( lua_State * ); + +static const luaL_Reg vlclua_xml_reader_reg[] = { + { "read", vlclua_xml_reader_read }, + { "node_type", vlclua_xml_reader_node_type }, + { "name", vlclua_xml_reader_name }, + { "value", vlclua_xml_reader_value }, + { "next_attr", vlclua_xml_reader_next_attr }, + { "use_dtd", vlclua_xml_reader_use_dtd }, + { NULL, NULL } +}; + +static int vlclua_xml_reader_delete( lua_State *L ) +{ + xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" ); + xml_ReaderDelete( p_reader->p_xml, p_reader ); + return 0; +} + +static int vlclua_xml_create_reader( lua_State *L ) +{ + xml_t *p_xml = *(xml_t**)luaL_checkudata( L, 1, "xml" ); + stream_t *p_stream = *(stream_t **)luaL_checkudata( L, 2, "stream" ); + + xml_reader_t *p_reader = xml_ReaderCreate( p_xml, p_stream ); + if( !p_reader ) + return luaL_error( L, "XML reader creation failed." ); + + xml_reader_t **pp_reader = lua_newuserdata( L, sizeof( xml_reader_t * ) ); + *pp_reader = p_reader; + + if( luaL_newmetatable( L, "xml_reader" ) ) + { + lua_newtable( L ); + luaL_register( L, NULL, vlclua_xml_reader_reg ); + lua_setfield( L, -2, "__index" ); + lua_pushcfunction( L, vlclua_xml_reader_delete ); + lua_setfield( L, -2, "__gc" ); + } + + lua_setmetatable( L, -2 ); + return 1; +} + +static int vlclua_xml_reader_read( lua_State *L ) +{ + xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" ); + lua_pushinteger( L, xml_ReaderRead( p_reader ) ); + return 1; +} + +static int vlclua_xml_reader_node_type( lua_State *L ) +{ + xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" ); + static const char *ppsz_type[] = { "none", "startelem", "endelem", "text" }; + lua_pushstring( L, ppsz_type[xml_ReaderNodeType( p_reader )] ); + return 1; +} + +static int vlclua_xml_reader_name( lua_State *L ) +{ + xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" ); + lua_pushstring( L, xml_ReaderName( p_reader ) ); + return 1; +} + +static int vlclua_xml_reader_value( lua_State *L ) +{ + xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" ); + lua_pushstring( L, xml_ReaderValue( p_reader ) ); + return 1; +} + +static int vlclua_xml_reader_next_attr( lua_State *L ) +{ + xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" ); + lua_pushinteger( L, xml_ReaderNextAttr( p_reader ) ); + return 1; +} + +static int vlclua_xml_reader_use_dtd( lua_State *L ) +{ + xml_reader_t *p_reader = *(xml_reader_t**)luaL_checkudata( L, 1, "xml_reader" ); + bool b_value = lua_toboolean( L, 2 ); + lua_pushinteger( L, xml_ReaderUseDTD( p_reader, b_value ) ); + return 1; +} + +void luaopen_xml( lua_State *L ) +{ + lua_pushcfunction( L, vlclua_xml_create ); + lua_setfield( L, -2, "xml" ); +} diff --git a/modules/misc/lua/meta.c b/modules/misc/lua/meta.c index f2b619d90e..0cd6e860d4 100644 --- a/modules/misc/lua/meta.c +++ b/modules/misc/lua/meta.c @@ -71,6 +71,7 @@ static lua_State * init( vlc_object_t *p_this, input_item_t * p_item, const char luaopen_variables( L ); luaopen_object( L ); luaopen_misc( L ); + luaopen_xml( L ); luaopen_input_item( L, p_item ); lua_pushlightuserdata( L, p_this ); -- 2.39.2