1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2004, 2007, 2009, 2010, 2011, 2012, 2013 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/>. */
17 #ifndef DATA_DICTIONARY_H
18 #define DATA_DICTIONARY_H 1
22 #include "data/case.h"
23 #include "data/dict-class.h"
28 /* Creating dictionaries. */
29 struct dictionary *dict_create (const char *encoding);
30 struct dictionary *dict_clone (const struct dictionary *) WARN_UNUSED_RESULT;
31 struct dictionary *dict_ref (struct dictionary *s) WARN_UNUSED_RESULT;
34 /* Clearing and destroying dictionaries. */
35 void dict_clear (struct dictionary *);
36 void dict_unref (struct dictionary *);
38 /* Common ways to access variables. */
39 struct variable *dict_lookup_var (const struct dictionary *, const char *);
40 struct variable *dict_lookup_var_assert (const struct dictionary *,
42 struct variable *dict_get_var (const struct dictionary *, size_t position);
43 size_t dict_get_n_vars (const struct dictionary *);
45 /* Other access to variables. */
46 bool dict_contains_var (const struct dictionary *, const struct variable *);
47 void dict_get_vars (const struct dictionary *,
48 const struct variable ***vars, size_t *n_vars,
49 enum dict_class exclude);
50 void dict_get_vars_mutable (const struct dictionary *,
51 struct variable ***vars, size_t *n_vars,
52 enum dict_class exclude);
54 /* Creating variables. */
55 struct variable *dict_create_var (struct dictionary *, const char *,
57 struct variable *dict_create_var_assert (struct dictionary *, const char *,
59 struct variable *dict_clone_var (struct dictionary *, const struct variable *);
60 struct variable *dict_clone_var_assert (struct dictionary *,
61 const struct variable *);
62 struct variable *dict_clone_var_as (struct dictionary *,
63 const struct variable *, const char *);
64 struct variable *dict_clone_var_as_assert (struct dictionary *,
65 const struct variable *,
68 /* Deleting variables. */
69 void dict_delete_var (struct dictionary *, struct variable *);
70 void dict_delete_vars (struct dictionary *,
71 struct variable *const *, size_t count);
72 void dict_delete_consecutive_vars (struct dictionary *,
73 size_t idx, size_t count);
74 void dict_delete_scratch_vars (struct dictionary *);
76 /* Changing the order of variables. */
77 void dict_reorder_var (struct dictionary *, struct variable *,
79 void dict_reorder_vars (struct dictionary *,
80 struct variable *const *, size_t count);
83 bool dict_try_rename_var (struct dictionary *,
84 struct variable *, const char *);
85 void dict_rename_var (struct dictionary *, struct variable *, const char *);
86 bool dict_rename_vars (struct dictionary *,
87 struct variable **, char **new_names,
88 size_t count, char **err_name);
89 char *dict_make_unique_var_name (const struct dictionary *, const char *hint,
90 unsigned long int *num_start);
92 bool dict_get_names_must_be_ids (const struct dictionary *);
93 void dict_set_names_must_be_ids (struct dictionary *, bool);
95 /* Weight variable. */
96 double dict_get_case_weight (const struct dictionary *,
97 const struct ccase *, bool *);
98 double dict_get_rounded_case_weight (const struct dictionary *,
99 const struct ccase *, bool *);
100 struct variable *dict_get_weight (const struct dictionary *);
101 void dict_set_weight (struct dictionary *, struct variable *);
102 struct fmt_spec dict_get_weight_format (const struct dictionary *);
104 /* Filter variable. */
105 struct variable *dict_get_filter (const struct dictionary *);
106 void dict_set_filter (struct dictionary *, struct variable *);
108 /* Case limit (N OF CASES). */
109 casenumber dict_get_case_limit (const struct dictionary *);
110 void dict_set_case_limit (struct dictionary *, casenumber);
112 /* Size of cases for this dictionary. */
113 const struct caseproto *dict_get_proto (const struct dictionary *);
115 /* Making this dictionary's cases smaller (if some variables were
117 size_t dict_count_values (const struct dictionary *,
118 unsigned int exclude_classes);
119 void dict_compact_values (struct dictionary *);
121 /* SPLIT FILE variables.
123 SPLIT_NONE is used if and only if there are no split file variables. */
126 SPLIT_NONE, /* No split file variables. */
127 SPLIT_SEPARATE, /* Produce separate output for each split. */
128 SPLIT_LAYERED, /* Output splits in same table. */
131 const struct variable *const *dict_get_split_vars (const struct dictionary *);
132 size_t dict_get_n_splits (const struct dictionary *);
133 enum split_type dict_get_split_type (const struct dictionary *);
134 void dict_set_split_vars (struct dictionary *,
135 struct variable *const *, size_t n,
137 void dict_clear_split_vars (struct dictionary *);
140 const char *dict_get_label (const struct dictionary *);
141 void dict_set_label (struct dictionary *, const char *);
144 #define DOC_LINE_LENGTH 80 /* Fixed length of document lines. */
146 const struct string_array *dict_get_documents (const struct dictionary *);
147 void dict_set_documents (struct dictionary *, const struct string_array *);
148 void dict_set_documents_string (struct dictionary *, const char *);
149 void dict_clear_documents (struct dictionary *);
151 bool dict_add_document_line (struct dictionary *, const char *,
153 size_t dict_get_document_n_lines (const struct dictionary *);
154 const char *dict_get_document_line (const struct dictionary *, size_t);
157 bool dict_create_vector (struct dictionary *, const char *name,
158 struct variable **, size_t n);
159 void dict_create_vector_assert (struct dictionary *, const char *name,
160 struct variable **, size_t n);
161 const struct vector *dict_get_vector (const struct dictionary *, size_t idx);
162 size_t dict_get_n_vectors (const struct dictionary *);
163 const struct vector *dict_lookup_vector (const struct dictionary *,
165 void dict_clear_vectors (struct dictionary *);
167 /* Multiple response sets. */
168 const struct mrset *dict_get_mrset (const struct dictionary *, size_t idx);
169 size_t dict_get_n_mrsets (const struct dictionary *);
170 const struct mrset *dict_lookup_mrset (const struct dictionary *,
173 bool dict_add_mrset (struct dictionary *, struct mrset *);
174 bool dict_delete_mrset (struct dictionary *, const char *name);
175 void dict_clear_mrsets (struct dictionary *);
178 const struct varset *dict_get_varset (const struct dictionary *, size_t idx);
179 size_t dict_get_n_varsets (const struct dictionary *);
180 const struct varset *dict_lookup_varset (const struct dictionary *,
183 bool dict_add_varset (struct dictionary *, struct varset *);
184 bool dict_delete_varset (struct dictionary *, const char *name);
185 void dict_clear_varsets (struct dictionary *);
188 struct attrset *dict_get_attributes (const struct dictionary *);
189 void dict_set_attributes (struct dictionary *, const struct attrset *);
190 bool dict_has_attributes (const struct dictionary *);
193 const char *dict_get_encoding (const struct dictionary *d);
195 char *dict_id_is_valid__ (const struct dictionary *, const char *id)
197 bool dict_id_is_valid (const struct dictionary *, const char *id);
199 /* Functions to be called upon dictionary changes. */
200 struct dict_callbacks
202 void (*var_added) (struct dictionary *, int, void *);
203 void (*vars_deleted) (struct dictionary *, int dict_index, unsigned int n, void *);
204 void (*var_moved) (struct dictionary *, int new_dict_index, int old_dict_index, void *);
205 void (*var_changed) (struct dictionary *, int, unsigned int, const struct variable *, void *);
206 void (*weight_changed) (struct dictionary *, int, void *);
207 void (*filter_changed) (struct dictionary *, int, void *);
208 void (*split_changed) (struct dictionary *, void *);
211 void dict_set_callbacks (struct dictionary *, const struct dict_callbacks *,
213 void dict_copy_callbacks (struct dictionary *, const struct dictionary *);
215 void dict_set_change_callback (struct dictionary *d,
216 void (*changed) (struct dictionary *, void*),
220 /* Debug use only. */
221 void dict_dump (const struct dictionary *);
223 #endif /* data/dictionary.h */