/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
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
typedef void replace_source_callback (struct casereader *);
typedef void replace_dictionary_callback (struct dictionary *);
+typedef void transformation_change_callback_func (bool non_empty, void *aux);
-struct dataset * create_dataset (replace_source_callback *,
- replace_dictionary_callback *);
+struct dataset * create_dataset (void);
void destroy_dataset (struct dataset *);
+void dataset_add_transform_change_callback (struct dataset *,
+ transformation_change_callback_func *, void *);
+
void proc_discard_active_file (struct dataset *);
void proc_set_active_file (struct dataset *,
struct casereader *, struct dictionary *);
bool proc_set_active_file_data (struct dataset *, struct casereader *);
bool proc_has_active_file (const struct dataset *ds);
+struct casereader *proc_extract_active_file_data (struct dataset *);
void proc_discard_output (struct dataset *ds);
bool proc_execute (struct dataset *ds);
time_t time_of_last_procedure (struct dataset *ds);
+struct casereader *proc_open_filtering (struct dataset *, bool filter);
struct casereader *proc_open (struct dataset *);
bool proc_is_open (const struct dataset *);
bool proc_commit (struct dataset *);
const struct casereader *dataset_source (const struct dataset *ds);
-struct ccase *lagged_case (const struct dataset *ds, int n_before);
+const struct ccase *lagged_case (const struct dataset *ds, int n_before);
void dataset_need_lag (struct dataset *ds, int n_before);
+void dataset_set_callback (struct dataset *ds, void (*cb) (void *), void *);
+
#endif /* procedure.h */