1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 #include <data/transformations.h>
32 /* Dictionary produced by permanent and temporary transformations
33 on data from the source. */
34 extern struct dictionary *default_dict;
36 /* Transformations. */
38 void add_transformation (trns_proc_func *, trns_free_func *, void *);
39 void add_transformation_with_finalizer (trns_finalize_func *,
41 trns_free_func *, void *);
42 size_t next_transformation (void);
44 void discard_variables (void);
46 bool proc_cancel_all_transformations (void);
47 struct trns_chain *proc_capture_transformations (void);
49 void proc_start_temporary_transformations (void);
50 bool proc_in_temporary_transformations (void);
51 bool proc_make_temporary_transformations_permanent (void);
52 bool proc_cancel_temporary_transformations (void);
56 void proc_init (void);
57 void proc_done (void);
59 void proc_set_source (struct case_source *);
60 bool proc_has_source (void);
62 void proc_set_sink (struct case_sink *);
63 struct casefile *proc_capture_output (void);
65 bool procedure (bool (*proc_func) (const struct ccase *, void *),
67 bool procedure_with_splits (void (*begin_func) (const struct ccase *, void *),
68 bool (*proc_func) (const struct ccase *, void *),
69 void (*end_func) (void *),
71 bool multipass_procedure (bool (*proc_func) (const struct casefile *, void *),
73 bool multipass_procedure_with_splits (bool (*) (const struct ccase *,
74 const struct casefile *,
77 time_t time_of_last_procedure (void);
79 /* Number of cases to lag. */
82 struct ccase *lagged_case (int n_before);
84 #endif /* procedure.h */