1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2009 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/dictionary.h>
24 #include <data/file-handle-def.h>
25 #include <data/missing-values.h>
26 #include <data/procedure.h>
27 #include <data/value-labels.h>
28 #include <data/variable.h>
29 #include <language/command.h>
30 #include <language/data-io/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 struct file_handle *handle;
43 struct casereader *reader;
44 struct dictionary *dict;
50 lex_match_id (lexer, "FROM");
51 lex_match (lexer, '=');
53 handle = fh_parse (lexer, FH_REF_FILE | FH_REF_SCRATCH);
56 reader = any_reader_open (handle, &dict);
61 casereader_destroy (reader);
63 for (i = 0; i < dict_get_var_cnt (dict); i++)
65 struct variable *s = dict_get_var (dict, i);
66 struct variable *t = dict_lookup_var (dataset_dict (ds),
72 if (var_get_type (s) != var_get_type (t))
74 msg (SW, _("Variable %s is %s in target file, but %s in "
77 var_is_alpha (t) ? _("string") : _("numeric"),
78 var_is_alpha (s) ? _("string") : _("numeric"));
82 if (var_get_label (s))
84 const char *label = var_get_label (s);
85 if (strcspn (label, " ") != strlen (label))
86 var_set_label (t, label);
89 if (var_has_value_labels (s))
91 const struct val_labs *value_labels = var_get_value_labels (s);
92 if (val_labs_can_set_width (value_labels, var_get_width (t)))
93 var_set_value_labels (s, value_labels);
96 if (var_has_missing_values (s))
98 const struct missing_values *miss = var_get_missing_values (s);
99 if (mv_is_resizable (miss, var_get_width (t)))
100 var_set_missing_values (t, miss);
103 if (var_is_numeric (s))
105 var_set_print_format (t, var_get_print_format (s));
106 var_set_write_format (t, var_get_write_format (s));
109 if (var_has_attributes (s))
110 var_set_attributes (t, var_get_attributes (s));
114 msg (SW, _("No matching variables found between the source "
115 "and target files."));
117 /* Data file attributes. */
118 if (dict_has_attributes (dict))
119 dict_set_attributes (dataset_dict (ds), dict_get_attributes (dict));
122 if (dict_get_weight (dict) != NULL)
124 struct variable *new_weight
125 = dict_lookup_var (dataset_dict (ds),
126 var_get_name (dict_get_weight (dict)));
128 if (new_weight != NULL)
129 dict_set_weight (dataset_dict (ds), new_weight);
132 return lex_end_of_command (lexer);