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lua_variables: allow the creation of a void variable.

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This commit is contained in:
Rémi Duraffort 2010-12-03 11:00:02 +01:00
parent 962f19ece2
commit efa1666ad3
2 changed files with 10 additions and 1 deletions
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8
modules/misc/lua/libs/variables.c
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@ -179,6 +179,9 @@ static int vlclua_var_create( lua_State *L )
case LUA_TSTRING:
i_type = VLC_VAR_STRING;
break;
case LUA_TNIL:
i_type = VLC_VAR_VOID;
break;
default:
return 0;
}
@ -186,6 +189,11 @@ static int vlclua_var_create( lua_State *L )
int i_ret = var_Create( *pp_obj, psz_var, i_type );
if( i_ret != VLC_SUCCESS )
return vlclua_push_ret( L, i_ret );
// Special case for void variables
if( i_type == VLC_VAR_VOID )
return 0;
vlc_value_t val;
vlclua_tovalue( L, i_type, &val );
return vlclua_push_ret( L, var_Set( *pp_obj, psz_var, val ) );

3
share/lua/README.txt
View File

@ -388,7 +388,8 @@ var.get_list( object, name ): Get the object's variable "name"'s value list.
1st return value is the value list, 2nd return value is the text list.
var.set( object, name, value ): Set the object's variable "name" to "value".
var.create( object, name, value ): Create and set the object's variable "name"
to "value". Created vars can be of type float, string or bool.
to "value". Created vars can be of type float, string, bool or void.
For a void variable the value has to be 'nil'.
var.add_callback( object, name, function, data ): Add a callback to the
object's "name" variable. Callback functions take 4 arguments: the