1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2007 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 void case_map_execute (const struct case_map *,
38 const struct ccase *, struct ccase *);
40 size_t case_map_get_value_cnt (const struct case_map *);
42 struct casereader *case_map_create_input_translator (struct case_map *,
44 struct casewriter *case_map_create_output_translator (struct case_map *,
47 /* For mapping cases for one version of a dictionary to those in
48 a modified version of the same dictionary. */
49 void case_map_prepare_dict (const struct dictionary *);
50 struct case_map *case_map_from_dict (const struct dictionary *);
52 /* For eliminating "holes" in a case. */
53 struct case_map *case_map_to_compact_dict (const struct dictionary *d,
54 unsigned int exclude_classes);
56 /* For mapping cases for one dictionary to another based on
57 variable names within the dictionary. */
58 struct case_map *case_map_by_name (const struct dictionary *old,
59 const struct dictionary *new);
61 void case_map_dump (const struct case_map *);
63 #endif /* data/case-map.h */