+++ /dev/null
-/* PSPP - a program for statistical analysis.
- Copyright (C) 2010, 2011 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 "language/command.h"
-
-#include "data/dataset.h"
-#include "data/session.h"
-#include "language/lexer/lexer.h"
-#include "libpspp/message.h"
-#include "output/pivot-table.h"
-
-#include "gettext.h"
-#define N_(msgid) msgid
-#define _(msgid) gettext (msgid)
-\f
-static int
-parse_window (struct lexer *lexer, unsigned int allowed,
- enum dataset_display def)
-{
- if (!lex_match_id (lexer, "WINDOW"))
- return def;
- lex_match (lexer, T_EQUALS);
-
- if (allowed & (1 << DATASET_MINIMIZED) && lex_match_id (lexer, "MINIMIZED"))
- return DATASET_MINIMIZED;
- else if (allowed & (1 << DATASET_ASIS) && lex_match_id (lexer, "ASIS"))
- return DATASET_ASIS;
- else if (allowed & (1 << DATASET_FRONT) && lex_match_id (lexer, "FRONT"))
- return DATASET_FRONT;
- else if (allowed & (1 << DATASET_HIDDEN) && lex_match_id (lexer, "HIDDEN"))
- return DATASET_HIDDEN;
-
- const char *allowed_s[4];
- size_t n_allowed = 0;
- if (allowed & (1 << DATASET_MINIMIZED))
- allowed_s[n_allowed++] = "MINIMIZED";
- if (allowed & (1 << DATASET_ASIS))
- allowed_s[n_allowed++] = "ASIS";
- if (allowed & (1 << DATASET_FRONT))
- allowed_s[n_allowed++] = "FRONT";
- if (allowed & (1 << DATASET_HIDDEN))
- allowed_s[n_allowed++] = "HIDDEN";
- lex_error_expecting_array (lexer, allowed_s, n_allowed);
- return -1;
-}
-
-static struct dataset *
-parse_dataset_name (struct lexer *lexer, struct session *session)
-{
- if (!lex_force_id (lexer))
- return NULL;
-
- struct dataset *ds = session_lookup_dataset (session, lex_tokcstr (lexer));
- if (ds != NULL)
- lex_get (lexer);
- else
- lex_error (lexer, _("There is no dataset named %s."), lex_tokcstr (lexer));
- return ds;
-}
-
-int
-cmd_dataset_name (struct lexer *lexer, struct dataset *active)
-{
- if (!lex_force_id (lexer))
- return CMD_FAILURE;
- dataset_set_name (active, lex_tokcstr (lexer));
- lex_get (lexer);
-
- int display = parse_window (lexer, (1 << DATASET_ASIS) | (1 << DATASET_FRONT),
- DATASET_ASIS);
- if (display < 0)
- return CMD_FAILURE;
- else if (display != DATASET_ASIS)
- dataset_set_display (active, display);
-
- return CMD_SUCCESS;
-}
-
-int
-cmd_dataset_activate (struct lexer *lexer, struct dataset *active)
-{
- struct session *session = dataset_session (active);
- struct dataset *ds;
- int display;
-
- ds = parse_dataset_name (lexer, session);
- if (ds == NULL)
- return CMD_FAILURE;
-
- if (ds != active)
- {
- proc_execute (active);
- session_set_active_dataset (session, ds);
- if (dataset_name (active)[0] == '\0')
- dataset_destroy (active);
- return CMD_SUCCESS;
- }
-
- display = parse_window (lexer, (1 << DATASET_ASIS) | (1 << DATASET_FRONT),
- DATASET_ASIS);
- if (display < 0)
- return CMD_FAILURE;
- else if (display != DATASET_ASIS)
- dataset_set_display (ds, display);
-
- return CMD_SUCCESS;
-}
-
-int
-cmd_dataset_copy (struct lexer *lexer, struct dataset *old)
-{
- struct session *session = dataset_session (old);
-
- /* Parse the entire command first. proc_execute() can attempt to parse
- BEGIN DATA...END DATA and it will fail confusingly if we are in the
- middle of the command at the point. */
- if (!lex_force_id (lexer))
- return CMD_FAILURE;
- char *name = xstrdup (lex_tokcstr (lexer));
- lex_get (lexer);
-
- int display = parse_window (lexer, ((1 << DATASET_MINIMIZED)
- | (1 << DATASET_HIDDEN)
- | (1 << DATASET_FRONT)),
- DATASET_MINIMIZED);
- if (display < 0)
- {
- free (name);
- return CMD_FAILURE;
- }
-
- struct dataset *new;
- if (session_lookup_dataset (session, name) == old)
- {
- new = old;
- dataset_set_name (old, "");
- }
- else
- {
- proc_execute (old);
- new = dataset_clone (old, name);
- }
- dataset_set_display (new, display);
-
- free (name);
- return CMD_SUCCESS;
-}
-
-int
-cmd_dataset_declare (struct lexer *lexer, struct dataset *ds)
-{
- struct session *session = dataset_session (ds);
-
- if (!lex_force_id (lexer))
- return CMD_FAILURE;
-
- struct dataset *new = session_lookup_dataset (session, lex_tokcstr (lexer));
- if (new == NULL)
- new = dataset_create (session, lex_tokcstr (lexer));
- lex_get (lexer);
-
- int display = parse_window (lexer, ((1 << DATASET_MINIMIZED)
- | (1 << DATASET_HIDDEN)
- | (1 << DATASET_FRONT)),
- DATASET_MINIMIZED);
- if (display < 0)
- return CMD_FAILURE;
- dataset_set_display (new, display);
-
- return CMD_SUCCESS;
-}
-
-static void
-dataset_close_cb (struct dataset *ds, void *session_)
-{
- struct session *session = session_;
-
- if (ds != session_active_dataset (session))
- dataset_destroy (ds);
-}
-
-int
-cmd_dataset_close (struct lexer *lexer, struct dataset *ds)
-{
- struct session *session = dataset_session (ds);
-
- if (lex_match (lexer, T_ALL))
- {
- session_for_each_dataset (session, dataset_close_cb, session);
- dataset_set_name (session_active_dataset (session), "");
- }
- else
- {
- if (!lex_match (lexer, T_ASTERISK))
- {
- ds = parse_dataset_name (lexer, session);
- if (ds == NULL)
- return CMD_FAILURE;
- }
-
- if (ds == session_active_dataset (session))
- dataset_set_name (ds, "");
- else
- dataset_destroy (ds);
- }
-
- return CMD_SUCCESS;
-}
-
-static void
-dataset_display_cb (struct dataset *ds, void *p_)
-{
- struct dataset ***p = p_;
- **p = ds;
- (*p)++;
-}
-
-static int
-sort_datasets (const void *a_, const void *b_)
-{
- struct dataset *const *a = a_;
- struct dataset *const *b = b_;
-
- return strcmp (dataset_name (*a), dataset_name (*b));
-}
-
-int
-cmd_dataset_display (struct lexer *lexer UNUSED, struct dataset *ds)
-{
- struct session *session = dataset_session (ds);
- size_t n = session_n_datasets (session);
- struct dataset **datasets = xmalloc (n * sizeof *datasets);
- struct dataset **p = datasets;
- session_for_each_dataset (session, dataset_display_cb, &p);
- qsort (datasets, n, sizeof *datasets, sort_datasets);
-
- struct pivot_table *table = pivot_table_create (N_("Datasets"));
-
- struct pivot_dimension *datasets_dim = pivot_dimension_create (
- table, PIVOT_AXIS_ROW, N_("Dataset"));
- datasets_dim->hide_all_labels = true;
-
- for (size_t i = 0; i < n; i++)
- {
- struct dataset *ds = datasets[i];
- const char *name;
-
- name = dataset_name (ds);
- if (name[0] == '\0')
- name = _("unnamed dataset");
-
- char *text = (ds == session_active_dataset (session)
- ? xasprintf ("%s (%s)", name, _("active dataset"))
- : xstrdup (name));
-
- int dataset_idx = pivot_category_create_leaf (
- datasets_dim->root, pivot_value_new_integer (i));
-
- pivot_table_put1 (table, dataset_idx,
- pivot_value_new_user_text_nocopy (text));
- }
-
- free (datasets);
-
- pivot_table_submit (table);
-
- return CMD_SUCCESS;
-}
projects / pspp / blobdiff