1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2004, 2007, 2009, 2010, 2011 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 *);
33 /* Clearing and destroying dictionaries. */
34 void dict_clear (struct dictionary *);
35 void dict_clear_aux (struct dictionary *);
36 void dict_destroy (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_var_cnt (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 *cnt,
49 enum dict_class exclude);
50 void dict_get_vars_mutable (const struct dictionary *,
51 struct variable ***vars, size_t *cnt,
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 void dict_rename_var (struct dictionary *, struct variable *, const char *);
84 bool dict_rename_vars (struct dictionary *,
85 struct variable **, char **new_names,
86 size_t count, char **err_name);
87 char *dict_make_unique_var_name (const struct dictionary *, const char *hint,
88 unsigned long int *num_start);
90 /* Weight variable. */
91 double dict_get_case_weight (const struct dictionary *,
92 const struct ccase *, bool *);
93 struct variable *dict_get_weight (const struct dictionary *);
94 void dict_set_weight (struct dictionary *, struct variable *);
96 /* Filter variable. */
97 struct variable *dict_get_filter (const struct dictionary *);
98 void dict_set_filter (struct dictionary *, struct variable *);
100 /* Case limit (N OF CASES). */
101 casenumber dict_get_case_limit (const struct dictionary *);
102 void dict_set_case_limit (struct dictionary *, casenumber);
104 /* Size of cases for this dictionary. */
105 const struct caseproto *dict_get_proto (const struct dictionary *);
106 int dict_get_next_value_idx (const struct dictionary *);
107 size_t dict_get_case_size (const struct dictionary *);
109 /* Making this dictionary's cases smaller (if some variables were
111 size_t dict_count_values (const struct dictionary *,
112 unsigned int exclude_classes);
113 void dict_compact_values (struct dictionary *);
114 struct caseproto *dict_get_compacted_proto (const struct dictionary *,
115 unsigned int exclude_classes);
117 /* SPLIT FILE variables. */
118 const struct variable *const *dict_get_split_vars (const struct dictionary *);
119 size_t dict_get_split_cnt (const struct dictionary *);
120 void dict_set_split_vars (struct dictionary *,
121 struct variable *const *, size_t cnt);
124 const char *dict_get_label (const struct dictionary *);
125 void dict_set_label (struct dictionary *, const char *);
128 #define DOC_LINE_LENGTH 80 /* Fixed length of document lines. */
130 const struct string_array *dict_get_documents (const struct dictionary *);
131 void dict_set_documents (struct dictionary *, const struct string_array *);
132 void dict_set_documents_string (struct dictionary *, const char *);
133 void dict_clear_documents (struct dictionary *);
135 bool dict_add_document_line (struct dictionary *, const char *,
137 size_t dict_get_document_line_cnt (const struct dictionary *);
138 const char *dict_get_document_line (const struct dictionary *, size_t);
141 bool dict_create_vector (struct dictionary *, const char *name,
142 struct variable **, size_t cnt);
143 void dict_create_vector_assert (struct dictionary *, const char *name,
144 struct variable **, size_t cnt);
145 const struct vector *dict_get_vector (const struct dictionary *, size_t idx);
146 size_t dict_get_vector_cnt (const struct dictionary *);
147 const struct vector *dict_lookup_vector (const struct dictionary *,
149 void dict_clear_vectors (struct dictionary *);
151 /* Multiple response sets. */
152 const struct mrset *dict_get_mrset (const struct dictionary *, size_t idx);
153 size_t dict_get_n_mrsets (const struct dictionary *);
154 const struct mrset *dict_lookup_mrset (const struct dictionary *,
157 bool dict_add_mrset (struct dictionary *, struct mrset *);
158 bool dict_delete_mrset (struct dictionary *, const char *name);
159 void dict_clear_mrsets (struct dictionary *);
162 struct attrset *dict_get_attributes (const struct dictionary *);
163 void dict_set_attributes (struct dictionary *, const struct attrset *);
164 bool dict_has_attributes (const struct dictionary *);
167 const char *dict_get_encoding (const struct dictionary *d);
169 bool dict_id_is_valid (const struct dictionary *, const char *id,
172 /* Internal variables. */
173 struct variable *dict_create_internal_var (int case_idx, int width);
174 void dict_destroy_internal_var (struct variable *);
176 /* Functions to be called upon dictionary changes. */
177 struct dict_callbacks
179 void (*var_added) (struct dictionary *, int, void *);
180 void (*var_deleted) (struct dictionary *, const struct variable *,
181 int dict_index, int case_index, void *);
182 void (*var_changed) (struct dictionary *, int, void *);
183 void (*var_resized) (struct dictionary *, int, int, void *);
184 void (*weight_changed) (struct dictionary *, int, void *);
185 void (*filter_changed) (struct dictionary *, int, void *);
186 void (*split_changed) (struct dictionary *, void *);
187 void (*var_display_width_changed) (struct dictionary *, int, void *);
190 void dict_set_callbacks (struct dictionary *, const struct dict_callbacks *,
192 void dict_copy_callbacks (struct dictionary *, const struct dictionary *);
194 void dict_set_change_callback (struct dictionary *d,
195 void (*changed) (struct dictionary *, void*),
199 /* Debug use only. */
200 void dict_dump (const struct dictionary *);
202 #endif /* data/dictionary.h */