1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 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
26 #include <data/value.h>
37 struct val_labs *val_labs_create (int width);
38 struct val_labs *val_labs_copy (const struct val_labs *);
39 void val_labs_destroy (struct val_labs *);
40 void val_labs_clear (struct val_labs *);
41 size_t val_labs_count (const struct val_labs *);
43 bool val_labs_can_set_width (const struct val_labs *, int new_width);
44 void val_labs_set_width (struct val_labs *, int new_width);
46 bool val_labs_add (struct val_labs *, union value, const char *);
47 bool val_labs_replace (struct val_labs *, union value, const char *);
48 bool val_labs_remove (struct val_labs *, union value);
49 char *val_labs_find (const struct val_labs *, union value);
51 struct val_labs_iterator;
53 struct val_lab *val_labs_first (const struct val_labs *,
54 struct val_labs_iterator **);
55 struct val_lab *val_labs_first_sorted (const struct val_labs *,
56 struct val_labs_iterator **);
57 struct val_lab *val_labs_next (const struct val_labs *,
58 struct val_labs_iterator **);
59 void val_labs_done (struct val_labs_iterator **);
61 /* Return a string representing this value, in the form most
62 appropriate from a human factors perspective.
63 (IE: the label if it has one, otherwise the alpha/numeric )
65 const char *value_to_string(const union value *, const struct variable *);
67 #endif /* value-labels.h */