1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 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/>. */
19 #include "data/data-out.h"
20 #include "data/dataset.h"
21 #include "data/dictionary.h"
22 #include "data/mrset.h"
23 #include "data/value-labels.h"
24 #include "data/variable.h"
25 #include "language/command.h"
26 #include "language/lexer/lexer.h"
27 #include "language/lexer/variable-parser.h"
28 #include "libpspp/assertion.h"
29 #include "libpspp/hmap.h"
30 #include "libpspp/i18n.h"
31 #include "libpspp/message.h"
32 #include "libpspp/str.h"
33 #include "libpspp/stringi-map.h"
34 #include "libpspp/stringi-set.h"
35 #include "output/tab.h"
37 #include "gl/xalloc.h"
40 #define _(msgid) gettext (msgid)
42 static bool parse_group (struct lexer *, struct dictionary *, enum mrset_type);
43 static bool parse_delete (struct lexer *, struct dictionary *);
44 static bool parse_display (struct lexer *, struct dictionary *);
47 cmd_mrsets (struct lexer *lexer, struct dataset *ds)
49 struct dictionary *dict = dataset_dict (ds);
51 while (lex_match (lexer, T_SLASH))
55 if (lex_match_id (lexer, "MDGROUP"))
56 ok = parse_group (lexer, dict, MRSET_MD);
57 else if (lex_match_id (lexer, "MCGROUP"))
58 ok = parse_group (lexer, dict, MRSET_MC);
59 else if (lex_match_id (lexer, "DELETE"))
60 ok = parse_delete (lexer, dict);
61 else if (lex_match_id (lexer, "DISPLAY"))
62 ok = parse_display (lexer, dict);
66 lex_error (lexer, NULL);
77 parse_group (struct lexer *lexer, struct dictionary *dict,
80 const char *subcommand_name = type == MRSET_MD ? "MDGROUP" : "MCGROUP";
82 bool labelsource_varlabel;
85 mrset = xzalloc (sizeof *mrset);
87 mrset->cat_source = MRSET_VARLABELS;
89 labelsource_varlabel = false;
91 while (lex_token (lexer) != T_SLASH && lex_token (lexer) != T_ENDCMD)
93 if (lex_match_id (lexer, "NAME"))
95 if (!lex_force_match (lexer, T_EQUALS) || !lex_force_id (lexer)
96 || !mrset_is_valid_name (lex_tokcstr (lexer),
97 dict_get_encoding (dict), true))
101 mrset->name = xstrdup (lex_tokcstr (lexer));
104 else if (lex_match_id (lexer, "VARIABLES"))
106 if (!lex_force_match (lexer, T_EQUALS))
110 if (!parse_variables (lexer, dict, &mrset->vars, &mrset->n_vars,
111 PV_SAME_TYPE | PV_NO_SCRATCH))
114 if (mrset->n_vars < 2)
116 msg (SE, _("VARIABLES specified only variable %s on %s, but "
117 "at least two variables are required."),
118 var_get_name (mrset->vars[0]), subcommand_name);
122 else if (lex_match_id (lexer, "LABEL"))
124 if (!lex_force_match (lexer, T_EQUALS) || !lex_force_string (lexer))
128 mrset->label = ss_xstrdup (lex_tokss (lexer));
131 else if (type == MRSET_MD && lex_match_id (lexer, "LABELSOURCE"))
133 if (!lex_force_match (lexer, T_EQUALS)
134 || !lex_force_match_id (lexer, "VARLABEL"))
137 labelsource_varlabel = true;
139 else if (type == MRSET_MD && lex_match_id (lexer, "VALUE"))
141 if (!lex_force_match (lexer, T_EQUALS))
145 if (lex_is_number (lexer))
147 if (!lex_is_integer (lexer))
149 msg (SE, _("Numeric VALUE must be an integer."));
152 value_destroy (&mrset->counted, mrset->width);
153 mrset->counted.f = lex_integer (lexer);
156 else if (lex_is_string (lexer))
161 s = recode_string (dict_get_encoding (dict), "UTF-8",
162 lex_tokcstr (lexer), -1);
165 /* Trim off trailing spaces, but don't trim the string until
166 it's empty because a width of 0 is a numeric type. */
167 while (width > 1 && s[width - 1] == ' ')
170 value_destroy (&mrset->counted, mrset->width);
171 value_init (&mrset->counted, width);
172 memcpy (value_str_rw (&mrset->counted, width), s, width);
173 mrset->width = width;
179 lex_error (lexer, NULL);
184 else if (type == MRSET_MD && lex_match_id (lexer, "CATEGORYLABELS"))
186 if (!lex_force_match (lexer, T_EQUALS))
189 if (lex_match_id (lexer, "VARLABELS"))
190 mrset->cat_source = MRSET_VARLABELS;
191 else if (lex_match_id (lexer, "COUNTEDVALUES"))
192 mrset->cat_source = MRSET_COUNTEDVALUES;
195 lex_error (lexer, NULL);
201 lex_error (lexer, NULL);
206 if (mrset->name == NULL)
208 msg (SE, _("Required %s specification missing from %s subcommand."),
209 "NAME", subcommand_name);
212 else if (mrset->n_vars == 0)
214 msg (SE, _("Required %s specification missing from %s subcommand."),
215 "VARIABLES", subcommand_name);
219 if (type == MRSET_MD)
221 /* Check that VALUE is specified and is valid for the VARIABLES. */
224 msg (SE, _("Required %s specification missing from %s subcommand."),
225 "VALUE", subcommand_name);
228 else if (var_is_alpha (mrset->vars[0]))
230 if (mrset->width == 0)
232 msg (SE, _("MDGROUP subcommand for group %s specifies a string "
233 "VALUE, but the variables specified for this group "
239 const struct variable *shortest_var;
245 for (i = 0; i < mrset->n_vars; i++)
247 int width = var_get_width (mrset->vars[i]);
248 if (width < min_width)
250 shortest_var = mrset->vars[i];
254 if (mrset->width > min_width)
256 msg (SE, _("VALUE string on MDGROUP subcommand for group "
257 "%s is %d bytes long, but it must be no longer "
258 "than the narrowest variable in the group, "
259 "which is %s with a width of %d bytes."),
260 mrset->name, mrset->width,
261 var_get_name (shortest_var), min_width);
268 if (mrset->width != 0)
270 msg (SE, _("MDGROUP subcommand for group %s specifies a string "
271 "VALUE, but the variables specified for this group "
278 /* Implement LABELSOURCE=VARLABEL. */
279 if (labelsource_varlabel)
281 if (mrset->cat_source != MRSET_COUNTEDVALUES)
282 msg (SW, _("MDGROUP subcommand for group %s specifies "
283 "LABELSOURCE=VARLABEL but not "
284 "CATEGORYLABELS=COUNTEDVALUES. "
285 "Ignoring LABELSOURCE."),
287 else if (mrset->label)
288 msg (SW, _("MDGROUP subcommand for group %s specifies both LABEL "
289 "and LABELSOURCE, but only one of these subcommands "
290 "may be used at a time. Ignoring LABELSOURCE."),
296 mrset->label_from_var_label = true;
297 for (i = 0; mrset->label == NULL && i < mrset->n_vars; i++)
299 const char *label = var_get_label (mrset->vars[i]);
302 mrset->label = xstrdup (label);
309 /* Warn if categories cannot be distinguished in output. */
310 if (mrset->cat_source == MRSET_VARLABELS)
312 struct stringi_map seen;
315 stringi_map_init (&seen);
316 for (i = 0; i < mrset->n_vars; i++)
318 const struct variable *var = mrset->vars[i];
319 const char *name = var_get_name (var);
320 const char *label = var_get_label (var);
323 const char *other_name = stringi_map_find (&seen, label);
325 if (other_name == NULL)
326 stringi_map_insert (&seen, label, name);
328 msg (SW, _("Variables %s and %s specified as part of "
329 "multiple dichotomy group %s have the same "
330 "variable label. Categories represented by "
331 "these variables will not be distinguishable "
333 other_name, name, mrset->name);
336 stringi_map_destroy (&seen);
340 struct stringi_map seen;
343 stringi_map_init (&seen);
344 for (i = 0; i < mrset->n_vars; i++)
346 const struct variable *var = mrset->vars[i];
347 const char *name = var_get_name (var);
348 const struct val_labs *val_labs;
352 value_clone (&value, &mrset->counted, mrset->width);
353 value_resize (&value, mrset->width, var_get_width (var));
355 val_labs = var_get_value_labels (var);
356 label = val_labs_find (val_labs, &value);
358 msg (SW, _("Variable %s specified as part of multiple "
359 "dichotomy group %s (which has "
360 "CATEGORYLABELS=COUNTEDVALUES) has no value label "
361 "for its counted value. This category will not "
362 "be distinguishable in output."),
366 const char *other_name = stringi_map_find (&seen, label);
368 if (other_name == NULL)
369 stringi_map_insert (&seen, label, name);
371 msg (SW, _("Variables %s and %s specified as part of "
372 "multiple dichotomy group %s (which has "
373 "CATEGORYLABELS=COUNTEDVALUES) have the same "
374 "value label for the the group's counted "
375 "value. These categories will not be "
376 "distinguishable in output."),
377 other_name, name, mrset->name);
380 stringi_map_destroy (&seen);
385 /* Warn if categories cannot be distinguished in output. */
388 struct hmap_node hmap_node;
392 const char *var_name;
396 struct category *c, *next;
397 struct hmap categories;
400 hmap_init (&categories);
401 for (i = 0; i < mrset->n_vars; i++)
403 const struct variable *var = mrset->vars[i];
404 const char *name = var_get_name (var);
405 int width = var_get_width (var);
406 const struct val_labs *val_labs;
407 const struct val_lab *vl;
409 val_labs = var_get_value_labels (var);
410 for (vl = val_labs_first (val_labs); vl != NULL;
411 vl = val_labs_next (val_labs, vl))
413 const union value *value = val_lab_get_value (vl);
414 const char *label = val_lab_get_label (vl);
415 unsigned int hash = value_hash (value, width, 0);
417 HMAP_FOR_EACH_WITH_HASH (c, struct category, hmap_node,
420 if (width == c->width
421 && value_equal (value, &c->value, width))
423 if (!c->warned && strcasecmp (c->label, label))
425 char *s = data_out (value, var_get_encoding (var),
426 var_get_print_format (var));
428 msg (SW, _("Variables specified on MCGROUP should "
429 "have the same categories, but %s and %s "
430 "(and possibly others) in multiple "
431 "category group %s have different "
432 "value labels for value %s."),
433 c->var_name, name, mrset->name, s);
440 c = xmalloc (sizeof *c);
441 value_clone (&c->value, value, width);
446 hmap_insert (&categories, &c->hmap_node, hash);
452 HMAP_FOR_EACH_SAFE (c, next, struct category, hmap_node, &categories)
454 value_destroy (&c->value, c->width);
455 hmap_delete (&categories, &c->hmap_node);
458 hmap_destroy (&categories);
461 dict_add_mrset (dict, mrset);
465 mrset_destroy (mrset);
470 parse_mrset_names (struct lexer *lexer, struct dictionary *dict,
471 struct stringi_set *mrset_names)
473 if (!lex_force_match_id (lexer, "NAME")
474 || !lex_force_match (lexer, T_EQUALS))
477 stringi_set_init (mrset_names);
478 if (lex_match (lexer, T_LBRACK))
480 while (!lex_match (lexer, T_RBRACK))
482 if (!lex_force_id (lexer))
484 if (dict_lookup_mrset (dict, lex_tokcstr (lexer)) == NULL)
486 msg (SE, _("No multiple response set named %s."),
487 lex_tokcstr (lexer));
488 stringi_set_destroy (mrset_names);
491 stringi_set_insert (mrset_names, lex_tokcstr (lexer));
495 else if (lex_match (lexer, T_ALL))
497 size_t n_sets = dict_get_n_mrsets (dict);
500 for (i = 0; i < n_sets; i++)
501 stringi_set_insert (mrset_names, dict_get_mrset (dict, i)->name);
508 parse_delete (struct lexer *lexer, struct dictionary *dict)
510 const struct stringi_set_node *node;
511 struct stringi_set mrset_names;
514 if (!parse_mrset_names (lexer, dict, &mrset_names))
517 STRINGI_SET_FOR_EACH (name, node, &mrset_names)
518 dict_delete_mrset (dict, name);
519 stringi_set_destroy (&mrset_names);
525 parse_display (struct lexer *lexer, struct dictionary *dict)
527 struct string details, var_names;
528 struct stringi_set mrset_names_set;
530 struct tab_table *table;
533 if (!parse_mrset_names (lexer, dict, &mrset_names_set))
536 n = stringi_set_count (&mrset_names_set);
539 if (dict_get_n_mrsets (dict) == 0)
540 msg (SN, _("The active dataset dictionary does not contain any "
541 "multiple response sets."));
542 stringi_set_destroy (&mrset_names_set);
546 table = tab_create (3, n + 1);
547 tab_headers (table, 0, 0, 1, 0);
548 tab_box (table, TAL_1, TAL_1, TAL_1, TAL_1, 0, 0, 2, n);
549 tab_hline (table, TAL_2, 0, 2, 1);
550 tab_title (table, "%s", _("Multiple Response Sets"));
551 tab_text (table, 0, 0, TAB_EMPH | TAB_LEFT, _("Name"));
552 tab_text (table, 1, 0, TAB_EMPH | TAB_LEFT, _("Variables"));
553 tab_text (table, 2, 0, TAB_EMPH | TAB_LEFT, _("Details"));
555 ds_init_empty (&details);
556 ds_init_empty (&var_names);
557 mrset_names = stringi_set_get_sorted_array (&mrset_names_set);
558 for (i = 0; i < n; i++)
560 const struct mrset *mrset = dict_lookup_mrset (dict, mrset_names[i]);
561 const int row = i + 1;
566 ds_put_format (&details, "%s\n", (mrset->type == MRSET_MD
567 ? _("Multiple dichotomy set")
568 : _("Multiple category set")));
569 if (mrset->label != NULL)
570 ds_put_format (&details, "%s: %s\n", _("Label"), mrset->label);
571 if (mrset->type == MRSET_MD)
573 if (mrset->label != NULL || mrset->label_from_var_label)
574 ds_put_format (&details, "%s: %s\n", _("Label source"),
575 (mrset->label_from_var_label
576 ? _("First variable label among variables")
577 : _("Provided by user")));
578 ds_put_format (&details, "%s: ", _("Counted value"));
579 if (mrset->width == 0)
580 ds_put_format (&details, "%.0f\n", mrset->counted.f);
583 const uint8_t *raw = value_str (&mrset->counted, mrset->width);
584 char *utf8 = recode_string ("UTF-8", dict_get_encoding (dict),
585 CHAR_CAST (const char *, raw),
587 ds_put_format (&details, "`%s'\n", utf8);
590 ds_put_format (&details, "%s: %s\n", _("Category label source"),
591 (mrset->cat_source == MRSET_VARLABELS
592 ? _("Variable labels")
593 : _("Value labels of counted value")));
596 /* Variable names. */
597 ds_clear (&var_names);
598 for (j = 0; j < mrset->n_vars; j++)
599 ds_put_format (&var_names, "%s\n", var_get_name (mrset->vars[j]));
601 tab_text (table, 0, row, TAB_LEFT, mrset_names[i]);
602 tab_text (table, 1, row, TAB_LEFT, ds_cstr (&var_names));
603 tab_text (table, 2, row, TAB_LEFT, ds_cstr (&details));
606 ds_destroy (&var_names);
607 ds_destroy (&details);
608 stringi_set_destroy (&mrset_names_set);