static int fetch_art( vlc_object_t *p_this, const char * psz_filename,
const luabatch_context_t *p_context )
{
lua_State *L = init( p_this, p_context->p_item, psz_filename );
if( !L )
return VLC_EGENERIC;
int i_ret = run(p_this, psz_filename, L, "fetch_art", p_context);
if(i_ret != VLC_SUCCESS)
{
lua_close( L );
return i_ret;
}
if(lua_gettop( L ))
{
const char * psz_value;
if( lua_isstring( L, -1 ) )
{
psz_value = lua_tostring( L, -1 );
if( psz_value && *psz_value != 0 )
{
lua_Dbg( p_this, "setting arturl: %s", psz_value );
input_item_SetArtURL ( p_context->p_item, psz_value );
lua_close( L );
return VLC_SUCCESS;
}
}
else if( !lua_isnoneornil( L, -1 ) )
{
msg_Err( p_this, "Lua art fetcher script %s: "
"didn't return a string", psz_filename );
}
}
else
{
msg_Err( p_this, "Script went completely foobar" );
}
lua_close( L );
return VLC_EGENERIC;
}
/*****************************************************************************
* Called through lua_scripts_batch_execute to call 'fetch_art' on the script
* pointed by psz_filename.
*****************************************************************************/
static int fetch_art( vlc_object_t *p_this, const char * psz_filename,
lua_State * L, void * user_data )
{
int i_ret = VLC_EGENERIC;
input_item_t * p_input = user_data;
int s;
/* Ugly hack to delete previous versions of the fetchart()
* functions. */
lua_pushnil( L );
lua_setglobal( L, "fetch_art" );
/* Load and run the script(s) */
if( luaL_dofile( L, psz_filename ) )
{
msg_Warn( p_this, "Error loading script %s: %s", psz_filename,
lua_tostring( L, lua_gettop( L ) ) );
lua_pop( L, 1 );
return VLC_EGENERIC;
}
lua_getglobal( L, "fetch_art" );
if( !lua_isfunction( L, lua_gettop( L ) ) )
{
msg_Warn( p_this, "Error while runing script %s, "
"function fetch_art() not found", psz_filename );
lua_pop( L, 1 );
return VLC_EGENERIC;
}
if( lua_pcall( L, 0, 1, 0 ) )
{
msg_Warn( p_this, "Error while runing script %s, "
"function fetch_art(): %s", psz_filename,
lua_tostring( L, lua_gettop( L ) ) );
lua_pop( L, 1 );
return VLC_EGENERIC;
}
if((s = lua_gettop( L )))
{
const char * psz_value;
if( lua_isstring( L, s ) )
{
psz_value = lua_tostring( L, s );
if( psz_value && *psz_value != 0 )
{
lua_Dbg( p_this, "setting arturl: %s", psz_value );
input_item_SetArtURL ( p_input, psz_value );
i_ret = VLC_SUCCESS;
}
}
else if( !lua_isnil( L, s ) )
{
msg_Err( p_this, "Lua art fetcher script %s: "
"didn't return a string", psz_filename );
}
}
else
{
msg_Err( p_this, "Script went completely foobar" );
}
return i_ret;
}
