* variables.c: routines for object variables handling
*****************************************************************************
* Copyright (C) 2002 VideoLAN
- * $Id: variables.c,v 1.23 2003/05/05 15:21:27 sigmunau Exp $
+ * $Id: variables.c,v 1.30 2003/09/07 22:51:11 fenrir Exp $
*
* Authors: Samuel Hocevar <sam@zoy.org>
*
static int CmpInt( vlc_value_t v, vlc_value_t w ) { return v.i_int == w.i_int ? 0 : v.i_int > w.i_int ? 1 : -1; }
static int CmpTime( vlc_value_t v, vlc_value_t w )
{
- mtime_t v_time,w_time;
- v_time = ( (mtime_t)v.time.i_high << 32 ) + v.time.i_low;
- w_time = ( (mtime_t)w.time.i_high << 32 ) + w.time.i_low;
- return v_time == w_time ? 0 : v_time > w_time ? 1 : -1;
+ return v.i_time == w.i_time ? 0 : v.i_time > w.i_time ? 1 : -1;
}
static int CmpString( vlc_value_t v, vlc_value_t w ) { return strcmp( v.psz_string, w.psz_string ); }
static int CmpFloat( vlc_value_t v, vlc_value_t w ) { return v.f_float == w.f_float ? 0 : v.f_float > w.f_float ? 1 : -1; }
static void CheckValue ( variable_t *, vlc_value_t * );
+static int InheritValue( vlc_object_t *, const char *, vlc_value_t *,
+ int );
+
/*****************************************************************************
* var_Create: initialize a vlc variable
*****************************************************************************
if( i_new >= 0 )
{
/* If the types differ, variable creation failed. */
- if( i_type != p_this->p_vars[i_new].i_type )
+ if( (i_type & ~VLC_VAR_DOINHERIT) != p_this->p_vars[i_new].i_type )
{
vlc_mutex_unlock( &p_this->var_lock );
return VLC_EBADVAR;
p_var->psz_name = strdup( psz_name );
p_var->psz_text = NULL;
- p_var->i_type = i_type;
+ p_var->i_type = i_type & ~VLC_VAR_DOINHERIT;
memset( &p_var->val, 0, sizeof(vlc_value_t) );
p_var->pf_dup = DupDummy;
break;
case VLC_VAR_TIME:
p_var->pf_cmp = CmpTime;
- p_var->val.time.i_low = 0;
- p_var->val.time.i_high = 0;
+ p_var->val.i_time = 0;
break;
case VLC_VAR_ADDRESS:
p_var->pf_cmp = CmpAddress;
/* Duplicate the default data we stored. */
p_var->pf_dup( &p_var->val );
+ if( i_type & VLC_VAR_DOINHERIT )
+ {
+ vlc_value_t val;
+
+ if( InheritValue( p_this, psz_name, &val, p_var->i_type )
+ == VLC_SUCCESS );
+ {
+ /* Free data if needed */
+ p_var->pf_free( &p_var->val );
+ /* Check boundaries and list */
+ CheckValue( p_var, &val );
+ /* Set the variable */
+ p_var->val = val;
+ }
+ }
+
vlc_mutex_unlock( &p_this->var_lock );
return VLC_SUCCESS;
for( i = 0 ; i < p_var->choices.i_count ; i++ )
{
p_var->pf_free( &p_var->choices.p_values[i] );
+ if( p_var->choices_text.p_values[i].psz_string )
+ free( p_var->choices_text.p_values[i].psz_string );
}
free( p_var->choices.p_values );
+ free( p_var->choices_text.p_values );
}
/* Free callbacks if needed */
INSERT_ELEM( p_var->choices.p_values, p_var->choices.i_count,
i, *p_val );
INSERT_ELEM( p_var->choices_text.p_values,
- p_var->choices_text.i_count, i, (vlc_value_t)0 );
+ p_var->choices_text.i_count, i, *p_val );
p_var->pf_dup( &p_var->choices.p_values[i] );
p_var->choices_text.p_values[i].psz_string =
( p_val2 && p_val2->psz_string ) ?
p_val->psz_string = strdup( p_var->psz_text );
}
break;
+ case VLC_VAR_INHERITVALUE:
+ {
+ vlc_value_t val;
+
+ if( InheritValue( p_this, psz_name, &val, p_var->i_type )
+ == VLC_SUCCESS );
+ {
+ /* Duplicate already done */
+
+ /* Backup needed stuff */
+ oldval = p_var->val;
+ /* Check boundaries and list */
+ CheckValue( p_var, &val );
+ /* Set the variable */
+ p_var->val = val;
+ /* Free data if needed */
+ p_var->pf_free( &oldval );
+ }
+
+ if( p_val )
+ {
+ *p_val = p_var->val;
+ p_var->pf_dup( p_val );
+ }
+ }
+ break;
default:
break;
break;
}
}
+
+/*****************************************************************************
+ * InheritValue: try to inherit the value of this variable from the same one
+ * in our closest parent.
+ *****************************************************************************/
+static int InheritValue( vlc_object_t *p_this, const char *psz_name,
+ vlc_value_t *p_val, int i_type )
+{
+ int i_var;
+ variable_t *p_var;
+
+ /* No need to take the structure lock,
+ * we are only looking for our parents */
+
+ if( !p_this->p_parent )
+ {
+ switch( i_type & VLC_VAR_TYPE )
+ {
+ case VLC_VAR_FILE:
+ case VLC_VAR_DIRECTORY:
+ case VLC_VAR_STRING:
+ p_val->psz_string = config_GetPsz( p_this, psz_name );
+ if( !p_val->psz_string ) p_val->psz_string = strdup("");
+ break;
+ case VLC_VAR_FLOAT:
+ p_val->f_float = config_GetFloat( p_this, psz_name );
+ break;
+ case VLC_VAR_INTEGER:
+ p_val->i_int = config_GetInt( p_this, psz_name );
+ break;
+ case VLC_VAR_BOOL:
+ p_val->b_bool = config_GetInt( p_this, psz_name );
+ break;
+ default:
+ return VLC_ENOOBJ;
+ break;
+ }
+
+ return VLC_SUCCESS;
+ }
+
+ /* Look for the variable */
+ vlc_mutex_lock( &p_this->p_parent->var_lock );
+
+ i_var = Lookup( p_this->p_parent->p_vars, p_this->p_parent->i_vars,
+ psz_name );
+
+ if( i_var >= 0 )
+ {
+ /* We found it! */
+
+ p_var = &p_this->p_parent->p_vars[i_var];
+
+ /* Really get the variable */
+ *p_val = p_var->val;
+
+ /* Duplicate value if needed */
+ p_var->pf_dup( p_val );
+
+ vlc_mutex_unlock( &p_this->p_parent->var_lock );
+ return VLC_SUCCESS;
+ }
+
+ vlc_mutex_unlock( &p_this->p_parent->var_lock );
+
+ /* We're still not there */
+
+ return InheritValue( p_this->p_parent, psz_name, p_val, i_type );
+}
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