/* PSPP - computes sample statistics.
- Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006, 2007 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
#include <data/transformations.h>
#include <libpspp/compiler.h>
-struct ccase;
-struct casefile;
-struct case_sink;
-struct case_source;
-
+struct casereader;
struct dataset;
-
+struct dictionary;
\f
/* Transformations. */
-void add_transformation (struct dataset *ds,
+void add_transformation (struct dataset *ds,
trns_proc_func *, trns_free_func *, void *);
-void add_transformation_with_finalizer (struct dataset *ds,
+void add_transformation_with_finalizer (struct dataset *ds,
trns_finalize_func *,
trns_proc_func *,
trns_free_func *, void *);
size_t next_transformation (const struct dataset *ds);
-void discard_variables (struct dataset *ds);
-
-
-
bool proc_cancel_all_transformations (struct dataset *ds);
struct trns_chain *proc_capture_transformations (struct dataset *ds);
\f
/* Procedures. */
+struct dictionary ;
+typedef void replace_source_callback (struct casereader *);
+typedef void replace_dictionary_callback (struct dictionary *);
-struct dataset *create_dataset (void);
-void destroy_dataset (struct dataset *);
-
-void proc_set_source (struct dataset *ds, struct case_source *);
-bool proc_has_source (const struct dataset *ds);
-
-void proc_set_sink (struct dataset *ds, struct case_sink *);
-struct casefile *proc_capture_output (struct dataset *ds);
-
-typedef bool casefile_func (const struct casefile *, void *);
-typedef bool case_func (const struct ccase *, void *, const struct dataset *);
-typedef void begin_func (const struct ccase *, void *, const struct dataset*);
-typedef bool end_func (void *, const struct dataset *);
+struct dataset * create_dataset (replace_source_callback *,
+ replace_dictionary_callback *);
-typedef bool split_func (const struct ccase *, const struct casefile *,
- void *, const struct dataset *);
-
-
-
-bool procedure (struct dataset *ds, case_func *, void *aux) WARN_UNUSED_RESULT;
-
-bool procedure_with_splits (struct dataset *ds,
- begin_func *,
- case_func *,
- end_func *,
- void *aux)
- WARN_UNUSED_RESULT;
-bool multipass_procedure (struct dataset *ds, casefile_func *, void *aux)
- WARN_UNUSED_RESULT;
-bool multipass_procedure_with_splits (struct dataset *ds,
- split_func *,
- void *aux)
- WARN_UNUSED_RESULT;
+void destroy_dataset (struct dataset *);
+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);
+void proc_discard_output (struct dataset *ds);
+bool proc_execute (struct dataset *ds);
time_t time_of_last_procedure (struct dataset *ds);
-\f
-struct ccase *lagged_case (const struct dataset *ds, int n_before);
+struct casereader *proc_open (struct dataset *);
+bool proc_is_open (const struct dataset *);
+bool proc_commit (struct dataset *);
-inline struct dictionary *dataset_dict (const struct dataset *ds);
-inline void dataset_set_dict ( struct dataset *ds, struct dictionary *dict);
+bool dataset_end_of_command (struct dataset *);
+\f
+struct dictionary *dataset_dict (const struct dataset *ds);
+const struct casereader *dataset_source (const struct dataset *ds);
-inline int dataset_n_lag (const struct dataset *ds);
-inline void dataset_set_n_lag (struct dataset *ds, int n_lag);
+struct ccase *lagged_case (const struct dataset *ds, int n_before);
+void dataset_need_lag (struct dataset *ds, int n_before);
#endif /* procedure.h */