{
PsppireCaseFile *cf = PSPPIRE_CASE_FILE (object);
- datasheet_destroy (cf->datasheet);
+ if ( cf->accessible)
+ datasheet_destroy (cf->datasheet);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
psppire_case_file_init (PsppireCaseFile *cf)
{
cf->datasheet = NULL;
+ cf->accessible = FALSE;
}
* Creates a new #PsppireCaseFile.
*/
PsppireCaseFile*
-psppire_case_file_new (void)
+psppire_case_file_new (struct casereader *reader)
{
PsppireCaseFile *cf = g_object_new (G_TYPE_PSPPIRE_CASE_FILE, NULL);
- cf->datasheet = datasheet_create (NULL);
+ cf->datasheet = datasheet_create (reader);
+ cf->accessible = TRUE;
return cf;
}
-void
-psppire_case_file_replace_datasheet (PsppireCaseFile *cf, struct datasheet *ds)
-{
- cf->datasheet = ds;
-}
-
-
-
gboolean
psppire_case_file_delete_cases (PsppireCaseFile *cf, gint n_cases, gint first)
{
psppire_case_file_get_case_count (const PsppireCaseFile *cf)
{
g_return_val_if_fail (cf, FALSE);
+ g_return_val_if_fail (cf->accessible, FALSE);
if ( ! cf->datasheet)
return 0;
{
union value *values;
g_return_val_if_fail (cf, FALSE);
+ g_return_val_if_fail (cf->accessible, FALSE);
if ( ! cf->datasheet )
cf->datasheet = datasheet_create (NULL);
return datasheet_get_row (cf->datasheet, casenum, c);
}
+
+
+
+struct casereader *
+psppire_case_file_make_reader (PsppireCaseFile *cf)
+{
+ struct casereader *r = datasheet_make_reader (cf->datasheet);
+ cf->accessible = FALSE;
+ return r;
+}
+