+++ /dev/null
-/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006, 2009-2011, 2013, 2014, 2016 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "data/casegrouper.h"
-#include "data/casereader.h"
-#include "data/dataset.h"
-#include "data/dictionary.h"
-#include "data/data-out.h"
-#include "data/format.h"
-#include "data/subcase.h"
-#include "data/variable.h"
-#include "language/command.h"
-#include "language/dictionary/split-file.h"
-#include "language/lexer/lexer.h"
-#include "language/lexer/variable-parser.h"
-#include "libpspp/compiler.h"
-#include "libpspp/ll.h"
-#include "libpspp/message.h"
-#include "libpspp/misc.h"
-#include "output/pivot-table.h"
-
-#include "gl/intprops.h"
-#include "gl/minmax.h"
-#include "gl/xalloc.h"
-#include "gl/xmalloca.h"
-
-#include "gettext.h"
-#define N_(msgid) msgid
-#define _(msgid) gettext (msgid)
-
-struct lst_cmd
- {
- long first;
- long last;
- long step;
- const struct variable **vars;
- size_t n_vars;
- bool number_cases;
- };
-
-static int
-list_execute (const struct lst_cmd *lcmd, struct dataset *ds)
-{
- const struct dictionary *dict = dataset_dict (ds);
-
- struct subcase sc;
- subcase_init_empty (&sc);
- for (size_t i = 0; i < lcmd->n_vars; i++)
- subcase_add_var (&sc, lcmd->vars[i], SC_ASCEND);
-
- struct casegrouper *grouper;
- struct casereader *group;
- grouper = casegrouper_create_splits (proc_open (ds), dict);
- while (casegrouper_get_next_group (grouper, &group))
- {
- output_split_file_values_peek (ds, group);
- group = casereader_project (group, &sc);
- group = casereader_select (group, lcmd->first - 1,
- (lcmd->last != LONG_MAX ? lcmd->last
- : CASENUMBER_MAX), lcmd->step);
-
- struct pivot_table *table = pivot_table_create (N_("Data List"));
- table->show_values = table->show_variables = SETTINGS_VALUE_SHOW_VALUE;
-
- struct pivot_dimension *variables = pivot_dimension_create (
- table, PIVOT_AXIS_COLUMN, N_("Variables"));
- for (size_t i = 0; i < lcmd->n_vars; i++)
- pivot_category_create_leaf (
- variables->root, pivot_value_new_variable (lcmd->vars[i]));
-
- struct pivot_dimension *cases = pivot_dimension_create (
- table, PIVOT_AXIS_ROW, N_("Case Number"));
- if (lcmd->number_cases)
- cases->root->show_label = true;
- else
- cases->hide_all_labels = true;
-
- casenumber case_num = lcmd->first;
- struct ccase *c;
- for (; (c = casereader_read (group)) != NULL; case_unref (c))
- {
- int case_idx = pivot_category_create_leaf (
- cases->root, pivot_value_new_integer (case_num));
- case_num += lcmd->step;
-
- for (size_t i = 0; i < lcmd->n_vars; i++)
- pivot_table_put2 (table, i, case_idx,
- pivot_value_new_var_value (
- lcmd->vars[i], case_data_idx (c, i)));
- }
- casereader_destroy (group);
-
- pivot_table_submit (table);
- }
-
- bool ok = casegrouper_destroy (grouper);
- ok = proc_commit (ds) && ok;
-
- subcase_uninit (&sc);
- free (lcmd->vars);
-
- return ok ? CMD_SUCCESS : CMD_CASCADING_FAILURE;
-}
-
-
-/* Parses and executes the LIST procedure. */
-int
-cmd_list (struct lexer *lexer, struct dataset *ds)
-{
- const struct dictionary *dict = dataset_dict (ds);
-
- struct lst_cmd cmd = {
- .step = 1,
- .first = 1,
- .last = LONG_MAX,
- };
-
- while (lex_token (lexer) != T_ENDCMD)
- {
- lex_match (lexer, T_SLASH);
- if (lex_match_id (lexer, "VARIABLES"))
- {
- lex_match (lexer, T_EQUALS);
- free (cmd.vars);
- cmd.vars = NULL;
- if (!parse_variables_const (lexer, dict, &cmd.vars, &cmd.n_vars,
- PV_DUPLICATE))
- goto error;
- }
- else if (lex_match_id (lexer, "FORMAT"))
- {
- lex_match (lexer, T_EQUALS);
- if (lex_match_id (lexer, "NUMBERED"))
- cmd.number_cases = true;
- else if (lex_match_id (lexer, "UNNUMBERED"))
- cmd.number_cases = false;
- else
- {
- lex_error_expecting (lexer, "NUMBERED", "UNNUMBERED");
- goto error;
- }
- }
- else if (lex_match_id (lexer, "CASES"))
- {
- lex_match (lexer, T_EQUALS);
-
- if (lex_match_id (lexer, "FROM"))
- {
- if (!lex_force_int_range (lexer, "FROM", 1, LONG_MAX))
- goto error;
- cmd.first = lex_integer (lexer);
- lex_get (lexer);
- }
- else
- cmd.first = 1;
-
- if (lex_match (lexer, T_TO) || lex_is_integer (lexer))
- {
- if (!lex_force_int_range (lexer, "TO", cmd.first, LONG_MAX))
- goto error;
- cmd.last = lex_integer (lexer);
- lex_get (lexer);
- }
- else
- cmd.last = LONG_MAX;
-
- if (lex_match (lexer, T_BY))
- {
- if (!lex_force_int_range (lexer, "TO", 1, LONG_MAX))
- goto error;
- cmd.step = lex_integer (lexer);
- lex_get (lexer);
- }
- else
- cmd.step = 1;
- }
- else
- {
- free (cmd.vars);
- cmd.vars = NULL;
- if (!parse_variables_const (lexer, dict, &cmd.vars, &cmd.n_vars,
- PV_DUPLICATE))
- goto error;
- }
- }
-
- if (!cmd.n_vars)
- dict_get_vars (dict, &cmd.vars, &cmd.n_vars, DC_SYSTEM | DC_SCRATCH);
- return list_execute (&cmd, ds);
-
- error:
- free (cmd.vars);
- return CMD_FAILURE;
-}
projects / pspp / blobdiff