1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 1997-9, 2000, 2006, 2009, 2010, 2011, 2012, 2013 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/>. */
22 #include "data/attributes.h"
23 #include "data/casereader.h"
24 #include "data/dataset.h"
25 #include "data/dictionary.h"
26 #include "data/file-handle-def.h"
27 #include "data/format.h"
28 #include "data/missing-values.h"
29 #include "data/sys-file-reader.h"
30 #include "data/value-labels.h"
31 #include "data/variable.h"
32 #include "data/vector.h"
33 #include "language/command.h"
34 #include "language/data-io/file-handle.h"
35 #include "language/lexer/lexer.h"
36 #include "language/lexer/variable-parser.h"
37 #include "libpspp/array.h"
38 #include "libpspp/message.h"
39 #include "libpspp/misc.h"
40 #include "libpspp/string-array.h"
41 #include "output/tab.h"
43 #include "gl/minmax.h"
44 #include "gl/xalloc.h"
47 #define _(msgid) gettext (msgid)
49 /* Information to include in displaying a dictionary. */
52 DF_DICT_INDEX = 1 << 0,
54 DF_VALUE_LABELS = 1 << 2,
55 DF_VARIABLE_LABELS = 1 << 3,
56 DF_MISSING_VALUES = 1 << 4,
57 DF_AT_ATTRIBUTES = 1 << 5, /* Attributes whose names begin with @. */
58 DF_ATTRIBUTES = 1 << 6, /* All other attributes. */
63 static int describe_variable (const struct variable *v, struct tab_table *t,
64 int r, int pc, int flags);
66 /* SYSFILE INFO utility. */
68 cmd_sysfile_info (struct lexer *lexer, struct dataset *ds UNUSED)
70 struct file_handle *h;
73 struct casereader *reader;
74 struct sfm_read_info info;
77 lex_match_id (lexer, "FILE");
78 lex_match (lexer, T_EQUALS);
80 h = fh_parse (lexer, FH_REF_FILE, NULL);
84 reader = sfm_open_reader (h, NULL, &d, &info);
90 casereader_destroy (reader);
92 t = tab_create (2, 11 + (info.product_ext != NULL));
94 tab_vline (t, TAL_GAP, 1, 0, 8);
96 tab_text (t, 0, r, TAB_LEFT, _("File:"));
97 tab_text (t, 1, r++, TAB_LEFT, fh_get_file_name (h));
99 tab_text (t, 0, r, TAB_LEFT, _("Label:"));
101 const char *label = dict_get_label (d);
103 label = _("No label.");
104 tab_text (t, 1, r++, TAB_LEFT, label);
107 tab_text (t, 0, r, TAB_LEFT, _("Created:"));
108 tab_text_format (t, 1, r++, TAB_LEFT, "%s %s by %s",
109 info.creation_date, info.creation_time, info.product);
111 if (info.product_ext)
113 tab_text (t, 0, r, TAB_LEFT, _("Product:"));
114 tab_text (t, 1, r++, TAB_LEFT, info.product_ext);
117 tab_text (t, 0, r, TAB_LEFT, _("Integer Format:"));
118 tab_text (t, 1, r++, TAB_LEFT,
119 info.integer_format == INTEGER_MSB_FIRST ? _("Big Endian")
120 : info.integer_format == INTEGER_LSB_FIRST ? _("Little Endian")
123 tab_text (t, 0, r, TAB_LEFT, _("Real Format:"));
124 tab_text (t, 1, r++, TAB_LEFT,
125 info.float_format == FLOAT_IEEE_DOUBLE_LE ? _("IEEE 754 LE.")
126 : info.float_format == FLOAT_IEEE_DOUBLE_BE ? _("IEEE 754 BE.")
127 : info.float_format == FLOAT_VAX_D ? _("VAX D.")
128 : info.float_format == FLOAT_VAX_G ? _("VAX G.")
129 : info.float_format == FLOAT_Z_LONG ? _("IBM 390 Hex Long.")
132 tab_text (t, 0, r, TAB_LEFT, _("Variables:"));
133 tab_text_format (t, 1, r++, TAB_LEFT, "%zu", dict_get_var_cnt (d));
135 tab_text (t, 0, r, TAB_LEFT, _("Cases:"));
136 if (info.case_cnt == -1)
137 tab_text (t, 1, r, TAB_LEFT, _("Unknown"));
139 tab_text_format (t, 1, r, TAB_LEFT, "%ld", (long int) info.case_cnt);
142 tab_text (t, 0, r, TAB_LEFT, _("Type:"));
143 tab_text (t, 1, r++, TAB_LEFT, _("System File"));
145 tab_text (t, 0, r, TAB_LEFT, _("Weight:"));
147 struct variable *weight_var = dict_get_weight (d);
148 tab_text (t, 1, r++, TAB_LEFT,
150 ? var_get_name (weight_var) : _("Not weighted.")));
153 tab_text (t, 0, r, TAB_LEFT, _("Compression:"));
154 tab_text_format (t, 1, r++, TAB_LEFT,
155 info.compression == SFM_COMP_NONE ? _("None")
156 : info.compression == SFM_COMP_SIMPLE ? "SAV"
159 tab_text (t, 0, r, TAB_LEFT, _("Charset:"));
160 tab_text (t, 1, r++, TAB_LEFT, dict_get_encoding (d));
164 t = tab_create (4, 1 + 2 * dict_get_var_cnt (d));
165 tab_headers (t, 0, 0, 1, 0);
166 tab_text (t, 0, 0, TAB_LEFT | TAT_TITLE, _("Variable"));
167 tab_joint_text (t, 1, 0, 2, 0, TAB_LEFT | TAT_TITLE, _("Description"));
168 tab_text (t, 3, 0, TAB_LEFT | TAT_TITLE, _("Position"));
169 tab_hline (t, TAL_2, 0, 3, 1);
170 for (r = 1, i = 0; i < dict_get_var_cnt (d); i++)
171 r = describe_variable (dict_get_var (d, i), t, r, 3,
172 DF_ALL & ~DF_AT_ATTRIBUTES);
174 tab_box (t, TAL_1, TAL_1, -1, -1, 0, 0, 3, r);
175 tab_vline (t, TAL_1, 1, 0, r);
176 tab_vline (t, TAL_1, 3, 0, r);
178 tab_resize (t, -1, r);
184 sfm_read_info_destroy (&info);
188 /* DISPLAY utility. */
190 static void display_macros (void);
191 static void display_documents (const struct dictionary *dict);
192 static void display_variables (const struct variable **, size_t, int);
193 static void display_vectors (const struct dictionary *dict, int sorted);
194 static void display_data_file_attributes (struct attrset *, int flags);
197 cmd_display (struct lexer *lexer, struct dataset *ds)
199 /* Whether to sort the list of variables alphabetically. */
202 /* Variables to display. */
204 const struct variable **vl;
206 if (lex_match_id (lexer, "MACROS"))
208 else if (lex_match_id (lexer, "DOCUMENTS"))
209 display_documents (dataset_dict (ds));
210 else if (lex_match_id (lexer, "FILE"))
212 if (!lex_force_match_id (lexer, "LABEL"))
214 if (dict_get_label (dataset_dict (ds)) == NULL)
215 tab_output_text (TAB_LEFT,
216 _("The active dataset does not have a file label."));
218 tab_output_text_format (TAB_LEFT, _("File label: %s"),
219 dict_get_label (dataset_dict (ds)));
225 sorted = lex_match_id (lexer, "SORTED");
227 if (lex_match_id (lexer, "VECTORS"))
229 display_vectors (dataset_dict(ds), sorted);
232 else if (lex_match_id (lexer, "SCRATCH"))
234 dict_get_vars (dataset_dict (ds), &vl, &n, DC_ORDINARY);
244 static const struct subcommand subcommands[] =
246 {"@ATTRIBUTES", DF_ATTRIBUTES | DF_AT_ATTRIBUTES},
247 {"ATTRIBUTES", DF_ATTRIBUTES},
248 {"DICTIONARY", DF_ALL & ~DF_AT_ATTRIBUTES},
249 {"INDEX", DF_DICT_INDEX},
250 {"LABELS", DF_DICT_INDEX | DF_VARIABLE_LABELS},
253 DF_DICT_INDEX | DF_FORMATS | DF_MISSING_VALUES | DF_MISC},
256 const struct subcommand *sbc;
259 for (sbc = subcommands; sbc->name != NULL; sbc++)
260 if (lex_match_id (lexer, sbc->name))
266 lex_match (lexer, T_SLASH);
267 lex_match_id (lexer, "VARIABLES");
268 lex_match (lexer, T_EQUALS);
270 if (lex_token (lexer) != T_ENDCMD)
272 if (!parse_variables_const (lexer, dataset_dict (ds), &vl, &n,
280 dict_get_vars (dataset_dict (ds), &vl, &n, 0);
285 sort (vl, n, sizeof *vl,
287 ? compare_var_ptrs_by_name
288 : compare_var_ptrs_by_dict_index), NULL);
289 display_variables (vl, n, flags);
292 msg (SW, _("No variables to display."));
295 if (flags & (DF_ATTRIBUTES | DF_AT_ATTRIBUTES))
296 display_data_file_attributes (dict_get_attributes (dataset_dict (ds)),
304 display_macros (void)
306 tab_output_text (TAB_LEFT, _("Macros not supported."));
310 display_documents (const struct dictionary *dict)
312 const struct string_array *documents = dict_get_documents (dict);
314 if (string_array_is_empty (documents))
315 tab_output_text (TAB_LEFT, _("The active dataset dictionary does not "
316 "contain any documents."));
321 tab_output_text (TAB_LEFT | TAT_TITLE,
322 _("Documents in the active dataset:"));
323 for (i = 0; i < dict_get_document_line_cnt (dict); i++)
324 tab_output_text (TAB_LEFT | TAB_FIX, dict_get_document_line (dict, i));
329 display_variables (const struct variable **vl, size_t n, int flags)
332 int nc; /* Number of columns. */
333 int pc; /* `Position column' */
334 int r; /* Current row. */
337 /* One column for the name,
338 two columns for general description,
339 one column for dictionary index. */
341 if (flags & ~DF_DICT_INDEX)
344 if (flags & DF_DICT_INDEX)
347 t = tab_create (nc, n + 5);
348 tab_headers (t, 0, 0, 1, 0);
349 tab_hline (t, TAL_2, 0, nc - 1, 1);
350 tab_text (t, 0, 0, TAB_LEFT | TAT_TITLE, _("Variable"));
351 if (flags & ~DF_DICT_INDEX)
352 tab_joint_text (t, 1, 0, 2, 0, TAB_LEFT | TAT_TITLE,
353 (flags & ~(DF_DICT_INDEX | DF_VARIABLE_LABELS)
354 ? _("Description") : _("Label")));
355 if (flags & DF_DICT_INDEX)
356 tab_text (t, pc, 0, TAB_LEFT | TAT_TITLE, _("Position"));
359 for (i = 0; i < n; i++)
360 r = describe_variable (vl[i], t, r, pc, flags);
361 tab_hline (t, flags & ~DF_DICT_INDEX ? TAL_2 : TAL_1, 0, nc - 1, 1);
364 tab_box (t, TAL_1, TAL_1, -1, -1, 0, 0, nc - 1, r - 1);
365 tab_vline (t, TAL_1, 1, 0, r - 1);
367 if (flags & ~DF_DICT_INDEX)
368 tab_vline (t, TAL_1, nc - 1, 0, r - 1);
369 tab_resize (t, -1, r);
374 is_at_name (const char *name)
376 return name[0] == '@' || (name[0] == '$' && name[1] == '@');
380 count_attributes (const struct attrset *set, int flags)
382 struct attrset_iterator i;
383 struct attribute *attr;
387 for (attr = attrset_first (set, &i); attr != NULL;
388 attr = attrset_next (set, &i))
389 if (flags & DF_AT_ATTRIBUTES || !is_at_name (attribute_get_name (attr)))
390 n_attrs += attribute_get_n_values (attr);
395 display_attributes (struct tab_table *t, const struct attrset *set, int flags,
398 struct attribute **attrs;
402 n_attrs = attrset_count (set);
403 attrs = attrset_sorted (set);
404 for (i = 0; i < n_attrs; i++)
406 const struct attribute *attr = attrs[i];
407 const char *name = attribute_get_name (attr);
411 if (!(flags & DF_AT_ATTRIBUTES) && is_at_name (name))
414 n_values = attribute_get_n_values (attr);
415 for (i = 0; i < n_values; i++)
418 tab_text_format (t, c, r, TAB_LEFT, "%s[%zu]", name, i + 1);
420 tab_text (t, c, r, TAB_LEFT, name);
421 tab_text (t, c + 1, r, TAB_LEFT, attribute_get_value (attr, i));
429 display_data_file_attributes (struct attrset *set, int flags)
434 n_attrs = count_attributes (set, flags);
438 t = tab_create (2, n_attrs + 1);
439 tab_headers (t, 0, 0, 1, 0);
440 tab_box (t, TAL_1, TAL_1, -1, TAL_1, 0, 0, tab_nc (t) - 1, tab_nr (t) - 1);
441 tab_hline (t, TAL_2, 0, 1, 1);
442 tab_text (t, 0, 0, TAB_LEFT | TAT_TITLE, _("Attribute"));
443 tab_text (t, 1, 0, TAB_LEFT | TAT_TITLE, _("Value"));
444 display_attributes (t, set, flags, 0, 1);
445 tab_title (t, "Custom data file attributes.");
449 /* Puts a description of variable V into table T starting at row
450 R. The variable will be described in the format given by
451 FLAGS. Returns the next row available for use in the
454 describe_variable (const struct variable *v, struct tab_table *t, int r,
460 /* Make sure that enough rows are allocated. */
462 if (flags & ~(DF_DICT_INDEX | DF_VARIABLE_LABELS))
464 if (flags & DF_VALUE_LABELS)
465 need_rows += val_labs_count (var_get_value_labels (v));
466 if (flags & (DF_ATTRIBUTES | DF_AT_ATTRIBUTES))
468 n_attrs = count_attributes (var_get_attributes (v), flags);
469 need_rows += n_attrs;
471 if (r + need_rows > tab_nr (t))
473 int nr = MAX (r + need_rows, tab_nr (t) * 2);
474 tab_realloc (t, -1, nr);
477 /* Put the name, var label, and position into the first row. */
478 tab_text (t, 0, r, TAB_LEFT, var_get_name (v));
479 if (flags & DF_DICT_INDEX)
480 tab_text_format (t, pc, r, 0, "%zu", var_get_dict_index (v) + 1);
482 if (flags & DF_VARIABLE_LABELS && var_has_label (v))
484 tab_joint_text (t, 1, r, 2, r, TAB_LEFT, var_get_label (v));
488 /* Print/write format, or print and write formats. */
489 if (flags & DF_FORMATS)
491 const struct fmt_spec *print = var_get_print_format (v);
492 const struct fmt_spec *write = var_get_write_format (v);
494 if (fmt_equal (print, write))
496 char str[FMT_STRING_LEN_MAX + 1];
497 tab_joint_text_format (t, 1, r, 2, r, TAB_LEFT,
498 _("Format: %s"), fmt_to_string (print, str));
503 char str[FMT_STRING_LEN_MAX + 1];
504 tab_joint_text_format (t, 1, r, 2, r, TAB_LEFT,
505 _("Print Format: %s"),
506 fmt_to_string (print, str));
508 tab_joint_text_format (t, 1, r, 2, r, TAB_LEFT,
509 _("Write Format: %s"),
510 fmt_to_string (write, str));
515 /* Measurement level, role, display width, alignment. */
518 enum var_role role = var_get_role (v);
520 tab_joint_text_format (t, 1, r, 2, r, TAB_LEFT,
522 measure_to_string (var_get_measure (v)));
525 if (role != ROLE_INPUT)
527 tab_joint_text_format (t, 1, r, 2, r, TAB_LEFT,
528 _("Role: %s"), var_role_to_string (role));
532 tab_joint_text_format (t, 1, r, 2, r, TAB_LEFT,
533 _("Display Alignment: %s"),
534 alignment_to_string (var_get_alignment (v)));
537 tab_joint_text_format (t, 1, r, 2, r, TAB_LEFT,
538 _("Display Width: %d"),
539 var_get_display_width (v));
543 /* Missing values if any. */
544 if (flags & DF_MISSING_VALUES && var_has_missing_values (v))
546 const struct missing_values *mv = var_get_missing_values (v);
552 cp = stpcpy (buf, _("Missing Values: "));
554 if (mv_has_range (mv))
557 mv_get_range (mv, &x, &y);
559 cp += sprintf (cp, "LOWEST THRU %g", y);
560 else if (y == HIGHEST)
561 cp += sprintf (cp, "%g THRU HIGHEST", x);
563 cp += sprintf (cp, "%g THRU %g", x, y);
566 for (i = 0; i < mv_n_values (mv); i++)
568 const union value *value = mv_get_value (mv, i);
570 cp += sprintf (cp, "; ");
571 if (var_is_numeric (v))
572 cp += sprintf (cp, "%g", value->f);
575 int width = var_get_width (v);
576 int mv_width = MIN (width, MV_MAX_STRING);
579 memcpy (cp, value_str (value, width), mv_width);
586 tab_joint_text (t, 1, r, 2, r, TAB_LEFT, buf);
591 if (flags & DF_VALUE_LABELS && var_has_value_labels (v))
593 const struct val_labs *val_labs = var_get_value_labels (v);
594 size_t n_labels = val_labs_count (val_labs);
595 const struct val_lab **labels;
600 tab_text (t, 1, r, TAB_LEFT, _("Value"));
601 tab_text (t, 2, r, TAB_LEFT, _("Label"));
605 tab_hline (t, TAL_1, 1, 2, r);
607 labels = val_labs_sorted (val_labs);
608 for (i = 0; i < n_labels; i++)
610 const struct val_lab *vl = labels[i];
612 tab_value (t, 1, r, TAB_NONE, &vl->value, v, NULL);
613 tab_text (t, 2, r, TAB_LEFT, val_lab_get_escaped_label (vl));
618 tab_vline (t, TAL_1, 2, orig_r, r - 1);
621 if (flags & (DF_ATTRIBUTES | DF_AT_ATTRIBUTES) && n_attrs)
623 tab_joint_text (t, 1, r, 2, r, TAB_LEFT, "Custom attributes:");
626 display_attributes (t, var_get_attributes (v), flags, 1, r);
630 /* Draw a line below the last row of information on this variable. */
631 tab_hline (t, TAL_1, 0, tab_nc (t) - 1, r);
636 /* Display a list of vectors. If SORTED is nonzero then they are
637 sorted alphabetically. */
639 display_vectors (const struct dictionary *dict, int sorted)
641 const struct vector **vl;
648 nvec = dict_get_vector_cnt (dict);
651 msg (SW, _("No vectors defined."));
655 vl = xnmalloc (nvec, sizeof *vl);
657 for (i = 0; i < nvec; i++)
659 vl[i] = dict_get_vector (dict, i);
660 nrow += vector_get_var_cnt (vl[i]);
663 qsort (vl, nvec, sizeof *vl, compare_vector_ptrs_by_name);
665 t = tab_create (4, nrow + 1);
666 tab_headers (t, 0, 0, 1, 0);
667 tab_box (t, TAL_1, TAL_1, -1, -1, 0, 0, 3, nrow);
668 tab_box (t, -1, -1, -1, TAL_1, 0, 0, 3, nrow);
669 tab_hline (t, TAL_2, 0, 3, 1);
670 tab_text (t, 0, 0, TAT_TITLE | TAB_LEFT, _("Vector"));
671 tab_text (t, 1, 0, TAT_TITLE | TAB_LEFT, _("Position"));
672 tab_text (t, 2, 0, TAT_TITLE | TAB_LEFT, _("Variable"));
673 tab_text (t, 3, 0, TAT_TITLE | TAB_LEFT, _("Print Format"));
676 for (i = 0; i < nvec; i++)
678 const struct vector *vec = vl[i];
681 tab_joint_text (t, 0, row, 0, row + vector_get_var_cnt (vec) - 1,
682 TAB_LEFT, vector_get_name (vl[i]));
684 for (j = 0; j < vector_get_var_cnt (vec); j++)
686 struct variable *var = vector_get_var (vec, j);
687 char fmt_string[FMT_STRING_LEN_MAX + 1];
688 fmt_to_string (var_get_print_format (var), fmt_string);
690 tab_text_format (t, 1, row, TAB_RIGHT, "%zu", j + 1);
691 tab_text (t, 2, row, TAB_LEFT, var_get_name (var));
692 tab_text (t, 3, row, TAB_LEFT, fmt_string);
695 tab_hline (t, TAL_1, 0, 3, row);