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., 59 Temple Place - Suite 330, Boston, MA
23 #include "dictionary.h"
25 #include "file-handle.h"
30 #include "value-labels.h"
33 #include "debug-print.h"
35 /* Parses and executes APPLY DICTIONARY. */
37 cmd_apply_dictionary (void)
39 struct file_handle *handle;
40 struct sfm_reader *reader;
41 struct dictionary *dict;
47 lex_match_id ("FROM");
53 reader = sfm_open_reader (handle, &dict, NULL);
56 sfm_close_reader (reader);
58 for (i = 0; i < dict_get_var_cnt (dict); i++)
60 struct variable *s = dict_get_var (dict, i);
61 struct variable *t = dict_lookup_var (default_dict, s->name);
66 if (s->type != t->type)
68 msg (SW, _("Variable %s is %s in target file, but %s in "
71 t->type == ALPHA ? _("string") : _("numeric"),
72 s->type == ALPHA ? _("string") : _("numeric"));
76 if (s->label && strcspn (s->label, " ") != strlen (s->label))
83 if (val_labs_count (s->val_labs) && t->width > MAX_SHORT_STRING)
84 msg (SW, _("Cannot add value labels from source file to "
85 "long string variable %s."),
87 else if (val_labs_count (s->val_labs))
89 /* Whether to apply the value labels. */
92 if (t->width < s->width)
94 struct val_labs_iterator *i;
97 for (lab = val_labs_first (s->val_labs, &i); lab != NULL;
98 lab = val_labs_next (s->val_labs, &i))
102 /* We will apply the value labels only if all
103 the truncated characters are blanks. */
104 for (j = t->width; j < s->width; j++)
105 if (lab->value.s[j] != ' ')
115 /* Fortunately, we follow the convention that all value
116 label values are right-padded with spaces, so it is
117 unnecessary to bother padding values here. */
122 val_labs_destroy (t->val_labs);
123 t->val_labs = s->val_labs;
124 val_labs_set_width (t->val_labs, t->width);
125 s->val_labs = val_labs_create (s->width);
129 if (s->miss_type != MISSING_NONE && t->width > MAX_SHORT_STRING)
130 msg (SW, _("Cannot apply missing values from source file to "
131 "long string variable %s."),
133 else if (s->miss_type != MISSING_NONE)
135 if (t->width < s->width)
137 static const int miss_count[MISSING_COUNT] =
139 0, 1, 2, 3, 2, 1, 1, 3, 2, 2,
144 for (j = 0; j < miss_count[s->miss_type]; j++)
145 for (k = t->width; k < s->width; k++)
146 if (s->missing[j].s[k] != ' ')
147 goto skip_missing_values;
150 t->miss_type = s->miss_type;
151 memcpy (t->missing, s->missing, sizeof s->missing);
153 skip_missing_values: ;
155 if (s->type == NUMERIC)
163 msg (SW, _("No matching variables found between the source "
164 "and target files."));
167 if (dict_get_weight (dict) != NULL)
169 struct variable *new_weight
170 = dict_lookup_var (default_dict, dict_get_weight (dict)->name);
172 if (new_weight != NULL)
173 dict_set_weight (default_dict, new_weight);
176 sfm_close_reader (reader);
178 return lex_end_of_command ();