1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2009, 2010, 2011, 2012, 2014, 2016 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/>. */
21 #include "data/any-reader.h"
22 #include "data/casereader.h"
23 #include "data/dataset.h"
24 #include "data/dictionary.h"
25 #include "data/file-handle-def.h"
26 #include "data/missing-values.h"
27 #include "data/value-labels.h"
28 #include "data/variable.h"
29 #include "language/command.h"
30 #include "language/commands/file-handle.h"
31 #include "language/lexer/lexer.h"
32 #include "libpspp/message.h"
33 #include "libpspp/str.h"
36 #define _(msgid) gettext (msgid)
38 /* Parses and executes APPLY DICTIONARY. */
40 cmd_apply_dictionary (struct lexer *lexer, struct dataset *ds)
42 lex_match_id (lexer, "FROM");
43 lex_match (lexer, T_EQUALS);
45 struct file_handle *handle = fh_parse (lexer, FH_REF_FILE,
46 dataset_session (ds));
50 struct dictionary *dict;
51 struct casereader *reader = any_reader_open_and_decode (handle, NULL, &dict,
57 casereader_destroy (reader);
60 for (size_t i = 0; i < dict_get_n_vars (dict); i++)
62 const struct variable *s = dict_get_var (dict, i);
63 struct variable *t = dict_lookup_var (dataset_dict (ds),
69 if (var_get_type (s) != var_get_type (t))
71 msg (SW, _("Variable %s is %s in target file, but %s in "
74 var_is_alpha (t) ? _("string") : _("numeric"),
75 var_is_alpha (s) ? _("string") : _("numeric"));
79 if (var_has_label (s))
80 var_set_label (t, var_get_label (s));
82 if (var_has_value_labels (s))
84 const struct val_labs *value_labels = var_get_value_labels (s);
85 if (val_labs_can_set_width (value_labels, var_get_width (t)))
86 var_set_value_labels (t, value_labels);
89 if (var_has_missing_values (s))
91 const struct missing_values *miss = var_get_missing_values (s);
92 if (mv_is_resizable (miss, var_get_width (t)))
93 var_set_missing_values (t, miss);
96 if (var_is_numeric (s))
98 var_set_print_format (t, var_get_print_format (s));
99 var_set_write_format (t, var_get_write_format (s));
102 if (var_has_attributes (s))
103 var_set_attributes (t, var_get_attributes (s));
107 msg (SW, _("No matching variables found between the source "
108 "and target files."));
110 /* Data file attributes. */
111 if (dict_has_attributes (dict))
112 dict_set_attributes (dataset_dict (ds), dict_get_attributes (dict));
115 if (dict_get_weight (dict) != NULL)
117 struct variable *new_weight
118 = dict_lookup_var (dataset_dict (ds),
119 var_get_name (dict_get_weight (dict)));
121 if (new_weight != NULL)
122 dict_set_weight (dataset_dict (ds), new_weight);