1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2007, 2009 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 A case map copies data from a case that corresponds to one
21 dictionary to a case that corresponds to a second dictionary.
22 A few options are available for ways to create the mapping. */
24 #ifndef DATA_CASE_MAP_H
25 #define DATA_CASE_MAP_H 1
35 struct case_map *case_map_create (void);
36 void case_map_destroy (struct case_map *);
37 struct ccase *case_map_execute (const struct case_map *, struct ccase *);
39 const struct caseproto *case_map_get_proto (const struct case_map *);
41 struct casereader *case_map_create_input_translator (struct case_map *,
43 struct casewriter *case_map_create_output_translator (struct case_map *,
46 /* For mapping cases for one version of a dictionary to those in
47 a modified version of the same dictionary. */
48 void case_map_prepare_dict (const struct dictionary *);
49 struct case_map *case_map_from_dict (const struct dictionary *);
51 /* For eliminating "holes" in a case. */
52 struct case_map *case_map_to_compact_dict (const struct dictionary *d,
53 unsigned int exclude_classes);
55 /* For mapping cases for one dictionary to another based on
56 variable names within the dictionary. */
57 struct case_map *case_map_by_name (const struct dictionary *old,
58 const struct dictionary *new);
60 void case_map_dump (const struct case_map *);
62 #endif /* data/case-map.h */